diff --git a/lib/node_modules/@stdlib/_tools/README.md b/lib/node_modules/@stdlib/_tools/README.md index 4c3d77e011f2..baad9e72e38b 100644 --- a/lib/node_modules/@stdlib/_tools/README.md +++ b/lib/node_modules/@stdlib/_tools/README.md @@ -32,6 +32,42 @@ This directory contains Node.js packages which are used for project development. +
+ +## Usage + +```javascript +var tools = require( '@stdlib/_tools' ); +``` + +#### tools + +Namespace containing project development utilities. + +```javascript +var ns = tools; +// returns null +``` + +
+ + + +
+ +## Examples + +```javascript +var tools = require( '@stdlib/_tools' ); + +console.log( tools ); +// => null +``` + +
+ + +
diff --git a/lib/node_modules/@stdlib/_tools/eslint/rules/README.md b/lib/node_modules/@stdlib/_tools/eslint/rules/README.md index 275f084c96ba..64f53a1c648d 100644 --- a/lib/node_modules/@stdlib/_tools/eslint/rules/README.md +++ b/lib/node_modules/@stdlib/_tools/eslint/rules/README.md @@ -72,6 +72,7 @@ var eslint = rules; - [`no-dynamic-exports`][@stdlib/_tools/eslint/rules/no-dynamic-exports]: ESLint rule enforcing that only statically analyzable values are exported. - [`no-dynamic-require`][@stdlib/_tools/eslint/rules/no-dynamic-require]: ESLint rule enforcing that `require()` calls have only string literals as arguments. - [`no-empty-comments`][@stdlib/_tools/eslint/rules/no-empty-comments]: ESLint rule to disallow empty comments. +- [`no-empty-lines-between-requires`][@stdlib/_tools/eslint/rules/no-empty-lines-between-requires]: ESLint rule to enforce no empty lines between module-level require statements. - [`no-error-string-concat`][@stdlib/_tools/eslint/rules/no-error-string-concat]: ESLint rule disallowing string concatenation in error messages. - [`no-immediate-require`][@stdlib/_tools/eslint/rules/no-immediate-require]: ESLint rule enforcing that `require()` expressions are not immediately invoked. - [`no-internal-require`][@stdlib/_tools/eslint/rules/no-internal-require]: ESLint rule disallowing `require()` calls into internals of another stdlib package. @@ -417,6 +418,8 @@ console.log( getKeys( rules ) ); [@stdlib/_tools/eslint/rules/no-empty-comments]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/_tools/eslint/rules/no-empty-comments +[@stdlib/_tools/eslint/rules/no-empty-lines-between-requires]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/_tools/eslint/rules/no-empty-lines-between-requires + [@stdlib/_tools/eslint/rules/no-error-string-concat]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/_tools/eslint/rules/no-error-string-concat [@stdlib/_tools/eslint/rules/no-immediate-require]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/_tools/eslint/rules/no-immediate-require diff --git a/lib/node_modules/@stdlib/complex/float64/base/README.md b/lib/node_modules/@stdlib/complex/float64/base/README.md index aa2b701d30a5..533241d9731a 100644 --- a/lib/node_modules/@stdlib/complex/float64/base/README.md +++ b/lib/node_modules/@stdlib/complex/float64/base/README.md @@ -58,6 +58,7 @@ The namespace contains the following functions:
- [`add( z1, z2 )`][@stdlib/complex/float64/base/add]: add two double-precision complex floating-point numbers. +- [`add3( z1, z2, z3 )`][@stdlib/complex/float64/base/add3]: compute the sum of three double-precision complex floating-point numbers. - [`div( z1, z2 )`][@stdlib/complex/float64/base/div]: divide two double-precision complex floating-point numbers. - [`identity( z )`][@stdlib/complex/float64/base/identity]: evaluate the identity function of a double-precision complex floating-point number. - [`muladd( alpha, x, y )`][@stdlib/complex/float64/base/mul-add]: perform a multiply-add operation involving three double-precision complex floating-point numbers. @@ -117,6 +118,8 @@ console.log( objectKeys( ns ) ); [@stdlib/complex/float64/base/add]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/complex/float64/base/add +[@stdlib/complex/float64/base/add3]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/complex/float64/base/add3 + [@stdlib/complex/float64/base/div]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/complex/float64/base/div [@stdlib/complex/float64/base/identity]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/complex/float64/base/identity diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/README.md b/lib/node_modules/@stdlib/math/base/special/acothf/README.md new file mode 100644 index 000000000000..4aa3b7a663e8 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/README.md @@ -0,0 +1,190 @@ + + +# acothf + +> Compute the [inverse hyperbolic cotangent][hyperbolic-arctangent] of a single-precision floating-point number. + +
+ +## Usage + +```javascript +var acothf = require( '@stdlib/math/base/special/acothf' ); +``` + +#### acothf( x ) + +Computes the [inverse hyperbolic cotangent][hyperbolic-arctangent] of a single-precision floating-point number. + +```javascript +var v = acothf( 2.0 ); +// returns ~0.5493 + +v = acothf( 1.0 ); +// returns Infinity +``` + +The domain of the inverse hyperbolic cotangent is the union of the intervals `(-inf,-1]` and `[1,inf)`. If provided a value on the open interval `(-1,1)`, the function returns `NaN`. + +```javascript +var v = acothf( 0.0 ); +// returns NaN + +v = acothf( 0.5 ); +// returns NaN +``` + +
+ + + +
+ +## Examples + + + +```javascript +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var acothf = require( '@stdlib/math/base/special/acothf' ); + +var x = uniform( 100, 1.0, 5.0, { + 'dtype': 'float32' +}); + +logEachMap( 'acothf(%0.4f) = %0.4f', x, acothf ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/acothf.h" +``` + +#### stdlib_base_acothf( x ) + +Computes the [inverse hyperbolic cotangent][hyperbolic-arctangent] of a single-precision floating-point number. + +```c +float out = stdlib_base_acothf( 2.0f ); +// returns ~0.5493f +``` + +The function accepts the following arguments: + +- **x**: `[in] float` input value. + +```c +float stdlib_base_acothf( const float x ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/acothf.h" +#include + +int main( void ) { + const float x[] = { 1.0f, 1.44f, 1.89f, 2.33f, 2.78f, 3.22f, 3.67f, 4.11f, 4.56f, 5.0f }; + + float v; + int i; + for ( i = 0; i < 10; i++ ) { + v = stdlib_base_acothf( x[ i ] ); + printf( "acothf(%f) = %f\n", x[ i ], v ); + } +} +``` + +
+ + + +
+ + + + + +
+ +* * * + +## See Also + +
+ + + + + +
+ +[hyperbolic-arctangent]: https://en.wikipedia.org/wiki/Inverse_hyperbolic_function + + + + + +
+ + diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/benchmark.js new file mode 100644 index 000000000000..740380ccdb2e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/benchmark.js @@ -0,0 +1,54 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pkg = require( './../package.json' ).name; +var acothf = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var x; + var y; + var i; + + x = uniform( 100, 1.1, 100.0, { + 'dtype': 'float32' + }); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = acothf( x[ i % x.length ] ); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/benchmark.native.js new file mode 100644 index 000000000000..8b53b779a7b0 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/benchmark.native.js @@ -0,0 +1,64 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var acothf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( acothf instanceof Error ) +}; + + +// MAIN // + +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { + var x; + var y; + var i; + + x = uniform( 100, 1.1, 100.0, { + 'dtype': 'float32' + }); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = acothf( x[ i % x.length ] ); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/Makefile b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/Makefile new file mode 100644 index 000000000000..928de45a1a06 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/Makefile @@ -0,0 +1,127 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles C source files. +# +# @param {string} [C_COMPILER] - C compiler +# @param {string} [CFLAGS] - C compiler flags +# @param {(string|void)} [fPIC] - compiler flag indicating whether to generate position independent code +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler +# @param {string} CFLAGS - C compiler flags +# @param {(string|void)} fPIC - compiler flag indicating whether to generate position independent code +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) -o $@ $< -lm + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/benchmark.c new file mode 100644 index 000000000000..2b765bffe6b0 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/benchmark.c @@ -0,0 +1,137 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include +#include +#include +#include +#include + +#define NAME "acothf" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static float random_uniform( const float min, const float max ) { + float v = (float)rand() / ( (float)RAND_MAX + 1.0f ); + return min + ( v*(max-min) ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + float x[ 100 ]; + double elapsed; + float y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + x[ i ] = random_uniform( 1.1f, 100.0f ); + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = atanhf( 1.0f/x[ i%100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/native/Makefile new file mode 100644 index 000000000000..979768abbcec --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/native/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/native/benchmark.c new file mode 100644 index 000000000000..699830c8591a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/benchmark/c/native/benchmark.c @@ -0,0 +1,138 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/acothf.h" +#include +#include +#include +#include +#include + +#define NAME "acothf" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static float random_uniform( const float min, const float max ) { + float v = (float)rand() / ( (float)RAND_MAX + 1.0f ); + return min + ( v*(max-min) ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + float x[ 100 ]; + double elapsed; + double t; + float y; + int i; + + for ( i = 0; i < 100; i++ ) { + x[ i ] = random_uniform( 1.1f, 100.0f ); + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_acothf( x[ i % 100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::native::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/binding.gyp b/lib/node_modules/@stdlib/math/base/special/acothf/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/acothf/docs/repl.txt new file mode 100644 index 000000000000..438fa84a5b34 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/docs/repl.txt @@ -0,0 +1,35 @@ + +{{alias}}( x ) + Computes the inverse hyperbolic cotangent of a single-precision floating- + point number. + + The domain of the inverse hyperbolic cotangent is the union of the intervals + (-inf,-1] and [1,inf). + + If provided a value on the open interval (-1,1), the function returns `NaN`. + + Parameters + ---------- + x: number + Input value. + + Returns + ------- + y: number + Inverse hyperbolic cotangent. + + Examples + -------- + > var y = {{alias}}( 2.0 ) + ~0.5493 + > y = {{alias}}( 0.0 ) + NaN + > y = {{alias}}( 0.5 ) + NaN + > y = {{alias}}( 1.0 ) + Infinity + > y = {{alias}}( NaN ) + NaN + + See Also + -------- diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/acothf/docs/types/index.d.ts new file mode 100644 index 000000000000..b39bc8425947 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/docs/types/index.d.ts @@ -0,0 +1,52 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/** +* Computes the inverse hyperbolic cotangent of a single-precision floating-point number. +* +* @param x - input value +* @returns inverse hyperbolic cotangent +* +* @example +* var v = acothf( 2.0 ); +* // returns ~0.5493 +* +* @example +* var v = acothf( 0.0 ); +* // returns NaN +* +* @example +* var v = acothf( 0.5 ); +* // returns NaN +* +* @example +* var v = acothf( 1.0 ); +* // returns Infinity +* +* @example +* var v = acothf( NaN ); +* // returns NaN +*/ +declare function acothf( x: number ): number; + + +// EXPORTS // + +export = acothf; diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/acothf/docs/types/test.ts new file mode 100644 index 000000000000..bac5b05330e2 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/docs/types/test.ts @@ -0,0 +1,44 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import acothf = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + acothf( 8 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a value other than a number... +{ + acothf( true ); // $ExpectError + acothf( false ); // $ExpectError + acothf( null ); // $ExpectError + acothf( undefined ); // $ExpectError + acothf( '5' ); // $ExpectError + acothf( [] ); // $ExpectError + acothf( {} ); // $ExpectError + acothf( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + acothf(); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/acothf/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/acothf/examples/c/example.c new file mode 100644 index 000000000000..23f5db64282c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/examples/c/example.c @@ -0,0 +1,31 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/acothf.h" +#include + +int main( void ) { + const float x[] = { 1.0f, 1.44f, 1.89f, 2.33f, 2.78f, 3.22f, 3.67f, 4.11f, 4.56f, 5.0f }; + + float v; + int i; + for ( i = 0; i < 10; i++ ) { + v = stdlib_base_acothf( x[ i ] ); + printf( "acothf(%f) = %f\n", x[ i ], v ); + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/examples/index.js b/lib/node_modules/@stdlib/math/base/special/acothf/examples/index.js new file mode 100644 index 000000000000..c3421829acd3 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/examples/index.js @@ -0,0 +1,29 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var acothf = require( './../lib' ); + +var x = uniform( 100, 1.0, 5.0, { + 'dtype': 'float32' +}); + +logEachMap( 'acothf(%0.4f) = %0.4f', x, acothf ); diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/include.gypi b/lib/node_modules/@stdlib/math/base/special/acothf/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "mathematics", + "math", + "acothf", + "hyperbolic", + "inverse", + "tangent", + "cotangent", + "acot", + "cot", + "coth", + "arc", + "arccotangent", + "trig", + "trigonometry", + "radians", + "angle" + ], + "__stdlib__": { + "scaffold": { + "$schema": "math/base@v1.0", + "base_alias": "acothf", + "alias": "acothf", + "pkg_desc": "compute the inverse hyperbolic cotangent of a single-precision floating-point number.", + "desc": "computes the inverse hyperbolic cotangent of a single-precision floating-point number.", + "short_desc": "inverse hyperbolic cotangent", + "parameters": [ + { + "name": "x", + "desc": "input value", + "type": { + "javascript": "number", + "jsdoc": "number", + "c": "float", + "dtype": "float32" + }, + "domain": [ + { + "min": "-infinity", + "max": -1 + }, + { + "min": 1, + "max": "infinity" + } + ], + "rand": { + "prng": "random/base/uniform", + "parameters": [ + 1.1, + 10 + ] + }, + "example_values": [ + 64, + 27, + -9, + 8, + -1, + 125, + -10.2, + 11.3, + -12.4, + 3.5, + -1.6, + 15.7, + -16, + 17.9, + -188, + 19.11, + -200, + 21.15, + -1.2, + 1.7 + ] + } + ], + "output_policy": "real_floating_point_and_generic", + "returns": { + "desc": "inverse hyperbolic cotangent", + "type": { + "javascript": "number", + "jsdoc": "number", + "c": "float", + "dtype": "float32" + } + }, + "keywords": [ + "inverse", + "cotangent", + "acot", + "cot", + "coth", + "arc", + "arccotangent", + "trig", + "trigonometry", + "radians", + "angle" + ], + "extra_keywords": [ + "math.atanhf" + ] + } + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/src/Makefile b/lib/node_modules/@stdlib/math/base/special/acothf/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/src/addon.c b/lib/node_modules/@stdlib/math/base/special/acothf/src/addon.c new file mode 100644 index 000000000000..a5b99eb55dbc --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/src/addon.c @@ -0,0 +1,22 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/acothf.h" +#include "stdlib/math/base/napi/unary.h" + +STDLIB_MATH_BASE_NAPI_MODULE_F_F( stdlib_base_acothf ) diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/src/main.c b/lib/node_modules/@stdlib/math/base/special/acothf/src/main.c new file mode 100644 index 000000000000..5de81f953fb6 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/src/main.c @@ -0,0 +1,34 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/acothf.h" +#include "stdlib/math/base/special/atanhf.h" + +/** +* Computes the inverse hyperbolic cotangent of a single-precision floating-point number. +* +* @param x input value +* @return output value +* +* @example +* out = stdlib_base_acothf( 2.0f ); +* // returns ~0.5493f +*/ +float stdlib_base_acothf( const float x ) { + return stdlib_base_atanhf( 1.0f / x ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/REQUIRE b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/REQUIRE new file mode 100644 index 000000000000..a99ba90dd47d --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/REQUIRE @@ -0,0 +1,2 @@ +julia 1.10.10 +JSON 1.3.0 diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/huge_negative.json b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/huge_negative.json new file mode 100644 index 000000000000..c89cf620f300 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/huge_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/huge_positive.json b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/huge_positive.json new file mode 100644 index 000000000000..c29f87a25b44 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/huge_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/large_negative.json b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/large_negative.json new file mode 100644 index 000000000000..858d296135d4 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/large_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/large_positive.json b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/large_positive.json new file mode 100644 index 000000000000..16c792fc30d0 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/large_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/larger_negative.json b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/larger_negative.json new file mode 100644 index 000000000000..111c68ecb2d3 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/larger_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/larger_positive.json b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/larger_positive.json new file mode 100644 index 000000000000..e5729a14c883 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/larger_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/medium_negative.json b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/medium_negative.json new file mode 100644 index 000000000000..0d507fa9335e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/medium_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/medium_positive.json b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/medium_positive.json new file mode 100644 index 000000000000..f8fef44dfda1 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/medium_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/runner.jl new file mode 100644 index 000000000000..520e136ade6f --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/fixtures/julia/runner.jl @@ -0,0 +1,94 @@ +#!/usr/bin/env julia +# +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import JSON + +""" + gen( domain, name ) + +Generate fixture data and write to file. + +# Arguments + +* `domain`: domain +* `name::AbstractString`: output filename + +# Examples + +``` julia +julia> x = range( -1000.0, stop = 1000.0, length = 2001 ); +julia> gen( x, \"data.json\" ); +``` +""" +function gen( domain, name ) + x = collect( domain ); + y = acoth.( x ); + + # Store data to be written to file as a collection: + data = Dict([ + ("x", x), + ("expected", y) + ]); + + # Based on the script directory, create an output filepath: + filepath = joinpath( dir, name ); + + # Write the data to the output filepath as JSON: + outfile = open( filepath, "w" ); + write( outfile, JSON.json(data) ); + write( outfile, "\n" ); + close( outfile ); +end + +# Get the filename: +file = @__FILE__; + +# Extract the directory in which this file resides: +dir = dirname( file ); + +# Positive medium values: +x = range( 1.1, stop = 3.0, length = 503 ); +gen( x, "medium_positive.json" ); + +# Large positive values: +x = range( 3.0, stop = 28.0, length = 503 ); +gen( x, "large_positive.json" ); + +# Larger positive values: +x = range( 28.0, stop = 100.0, length = 503 ); +gen( x, "larger_positive.json" ); + +# Huge positive values: +x = range( 1.0e300, stop = 1.0e308, length = 1003 ); +gen( x, "huge_positive.json" ); + +# Negative medium values: +x = range( -1.1, stop = -3.0, length = 503 ); +gen( x, "medium_negative.json" ); + +# Large negative values: +x = range( -3.0, stop = -28.0, length = 503 ); +gen( x, "large_negative.json" ); + +# Larger negative values: +x = range( -28.0, stop = -100.0, length = 503 ); +gen( x, "larger_negative.json" ); + +# Huge negative values: +x = range( -1.0e300, stop = -1.0e308, length = 1003 ); +gen( x, "huge_negative.json" ); diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/test.js b/lib/node_modules/@stdlib/math/base/special/acothf/test/test.js new file mode 100644 index 000000000000..7134810b99e2 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/test.js @@ -0,0 +1,276 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var randu = require( '@stdlib/random/base/randu' ); +var EPS = require( '@stdlib/constants/float32/eps' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var f32 = require( '@stdlib/number/float64/base/to-float32' ); +var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' ); +var acothf = require( './../lib' ); + + +// FIXTURES // + +var largerPositive = require( './fixtures/julia/larger_positive.json' ); +var largePositive = require( './fixtures/julia/large_positive.json' ); +var mediumPositive = require( './fixtures/julia/medium_positive.json' ); +var hugePositive = require( './fixtures/julia/huge_positive.json' ); +var largerNegative = require( './fixtures/julia/larger_negative.json' ); +var largeNegative = require( './fixtures/julia/large_negative.json' ); +var mediumNegative = require( './fixtures/julia/medium_negative.json' ); +var hugeNegative = require( './fixtures/julia/huge_negative.json' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof acothf, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for medium positive values', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = mediumPositive.x; + expected = mediumPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for medium negative values', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = mediumNegative.x; + expected = mediumNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for large positive values', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largePositive.x; + expected = largePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for large negative values', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largeNegative.x; + expected = largeNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for larger positive values', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largerPositive.x; + expected = largerPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for larger negative values', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largerNegative.x; + expected = largerNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for huge positive values', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = hugePositive.x; + expected = hugePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 1.0 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for huge negative values', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = hugeNegative.x; + expected = hugeNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 1.0 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function returns `NaN` if provided `NaN`', function test( t ) { + var v = acothf( NaN ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided a value on the open interval (-1,1)', function test( t ) { + var v; + var i; + + for ( i = 0; i < 1e3; i++ ) { + v = ( randu()*2.0 ) - 1.0; + t.strictEqual( isnanf( acothf( v ) ), true, 'returns expected value when provided '+v ); + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/acothf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/acothf/test/test.native.js new file mode 100644 index 000000000000..f4e085f48772 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acothf/test/test.native.js @@ -0,0 +1,285 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var randu = require( '@stdlib/random/base/randu' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var EPS = require( '@stdlib/constants/float32/eps' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var f32 = require( '@stdlib/number/float64/base/to-float32' ); +var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' ); + + +// FIXTURES // + +var largerPositive = require( './fixtures/julia/larger_positive.json' ); +var largePositive = require( './fixtures/julia/large_positive.json' ); +var mediumPositive = require( './fixtures/julia/medium_positive.json' ); +var hugePositive = require( './fixtures/julia/huge_positive.json' ); +var largerNegative = require( './fixtures/julia/larger_negative.json' ); +var largeNegative = require( './fixtures/julia/large_negative.json' ); +var mediumNegative = require( './fixtures/julia/medium_negative.json' ); +var hugeNegative = require( './fixtures/julia/huge_negative.json' ); + + +// VARIABLES // + +var acothf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( acothf instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof acothf, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for medium positive values', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = mediumPositive.x; + expected = mediumPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for medium negative values', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = mediumNegative.x; + expected = mediumNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for large positive values', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largePositive.x; + expected = largePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for large negative values', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largeNegative.x; + expected = largeNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for larger positive values', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largerPositive.x; + expected = largerPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for larger negative values', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largerNegative.x; + expected = largerNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 2.3 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for huge positive values', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = hugePositive.x; + expected = hugePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 1.0 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function computes the inverse hyperbolic cotangent for huge negative values', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = hugeNegative.x; + expected = hugeNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acothf( x[ i ] ); + e = f32( expected[ i ] ); + if ( isAlmostSameValue( y, e, 0 ) ) { + t.strictEqual( y, e, 'x: '+x[i]+'. E: '+e+'.' ); + } else { + delta = abs( y - e ); + tol = 1.0 * EPS * abs( e ); + t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+e+'. tol: '+tol+'. Δ: '+delta+'.' ); + } + } + t.end(); +}); + +tape( 'the function returns `NaN` if provided `NaN`', opts, function test( t ) { + var v = acothf( NaN ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `NaN` if provided a value on the open interval (-1,1)', opts, function test( t ) { + var v; + var i; + + for ( i = 0; i < 1e3; i++ ) { + v = ( randu()*2.0 ) - 1.0; + t.strictEqual( isnanf( acothf( v ) ), true, 'returns expected value when provided '+v ); + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/README.md b/lib/node_modules/@stdlib/math/base/special/acschf/README.md new file mode 100644 index 000000000000..5398de54da07 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/README.md @@ -0,0 +1,214 @@ + + +# acschf + +> Computes the [hyperbolic arccosecant][inverse-hyperbolic-functions] of a single-precision floating-point number. + +
+ +## Usage + +```javascript +var acschf = require( '@stdlib/math/base/special/acschf' ); +``` + +#### acschf( x ) + +Computes the [hyperbolic arccosecant][inverse-hyperbolic-functions] of `x`. + +```javascript +var v = acschf( 0.0 ); +// returns Infinity + +v = acschf( -0.0 ); +// returns -Infinity + +v = acschf( 1.0 ); +// returns ~0.881 + +v = acschf( -1.0 ); +// returns ~-0.881 + +v = acschf( NaN ); +// returns NaN + +v = acschf( -Infinity ); +// returns -0.0 + +v = acschf( Infinity ); +// returns 0.0 +``` + +
+ + + +
+ +## Examples + + + +```javascript +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var acschf = require( '@stdlib/math/base/special/acschf' ); + +var x = uniform( 100, 1.0, 5.0, { + 'dtype': 'float32' +}); + +logEachMap( 'acschf(%0.4f) = %0.4f', x, acschf ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/math/base/special/acschf.h" +``` + +#### stdlib_base_acschf( x ) + +> Compute the [hyperbolic arccosecant][inverse-hyperbolic-functions] of a single-precision floating-point number. + +```c +float out = stdlib_base_acschf( 1.0 ); +// returns ~0.881 +``` + +The function accepts the following arguments: + +- **x**: `[in] float` input value. + +```c +float stdlib_base_acschf( const float x ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/math/base/special/acschf.h" +#include + +int main( void ) { + const float x[] = { -5.0f, -3.89f, -2.78f, -1.67f, -0.55f, 0.55f, 1.67f, 2.78f, 3.89f, 5.0f }; + + float v; + int i; + for ( i = 0; i < 10; i++ ) { + v = stdlib_base_acschf( x[ i ] ); + printf( "acsch(%f) = %f\n", x[ i ], v ); + } +} +``` + +
+ + + +
+ + + + + +
+ +* * * + +## See Also + +- [`@stdlib/math/base/special/acothf`][@stdlib/math/base/special/acothf]: compute the inverse hyperbolic cotangent of a single-precision floating-point number. +- [`@stdlib/math/base/special/acscf`][@stdlib/math/base/special/acscf]: compute the arccosecant of a single-precision floating-point number. +- [`@stdlib/math/base/special/asechf`][@stdlib/math/base/special/asechf]: compute the hyperbolic arcsecant of a single-precision floating-point number. +- [`@stdlib/math/base/special/asinhf`][@stdlib/math/base/special/asinhf]: compute the hyperbolic arcsine of a single-precision floating-point number. +- [`@stdlib/math/base/special/cscf`][@stdlib/math/base/special/cscf]: compute the cosecant of a single-precision floating-point number. +- [`@stdlib/math/base/special/cschf`][@stdlib/math/base/special/cschf]: compute the hyperbolic cosecant of a single-precision floating-point number. + +
+ + + + + +
+ +[inverse-hyperbolic-functions]: https://en.wikipedia.org/wiki/Inverse_hyperbolic_functions + + + +[@stdlib/math/base/special/acothf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/acothf + +[@stdlib/math/base/special/acscf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/acscf + +[@stdlib/math/base/special/asechf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/asechf + +[@stdlib/math/base/special/asinhf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/asinhf + +[@stdlib/math/base/special/cscf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/cscf + +[@stdlib/math/base/special/cschf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/cschf + + + +
+ + diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/benchmark.js b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/benchmark.js new file mode 100644 index 000000000000..d86396a9d8f0 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/benchmark.js @@ -0,0 +1,55 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pkg = require( './../package.json' ).name; +var acschf = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var x; + var y; + var i; + + x = uniform( 100, -50.0, 50.0, { + 'dtype': 'float32' + }); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = acschf( x[ i % x.length ] ); + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + + if ( isnanf( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/benchmark.native.js new file mode 100644 index 000000000000..3a49a8777a29 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/benchmark.native.js @@ -0,0 +1,59 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var f32 = require( '@stdlib/number/float64/base/to-float32' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var acschf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( acschf instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var x; + var i; + + x = f32( 1.234567 ); + i = 0; + + b.tic(); + while ( i < b.iterations ) { + x = acschf( x ); + i += 1; + } + b.toc(); + + if ( x !== x ) { + b.fail( 'unexpected NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/c/native/Makefile b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/c/native/Makefile new file mode 100644 index 000000000000..979768abbcec --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/c/native/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/c/native/benchmark.c b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/c/native/benchmark.c new file mode 100644 index 000000000000..c2b49c072830 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/c/native/benchmark.c @@ -0,0 +1,137 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/acschf.h" +#include +#include +#include +#include +#include + +#define NAME "acschf" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmark results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec / 1.0e6; +} + +/** +* Generates a random float on the interval [0,1). +* +* @return random float +*/ +static float rand_float( void ) { + int r = rand(); + return (float)r / ( (float)RAND_MAX + 1.0f ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + float x[ 100 ]; + double elapsed; + float y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + x[ i ] = ( 200.0f * rand_float() ) - 100.0f; + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_acschf( x[ i % 100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::native::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/julia/REQUIRE b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/julia/REQUIRE new file mode 100644 index 000000000000..98645e192e41 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/julia/REQUIRE @@ -0,0 +1,2 @@ +julia 1.5 +BenchmarkTools 0.5.0 diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/julia/benchmark.jl b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/julia/benchmark.jl new file mode 100755 index 000000000000..977fc32c9cba --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/benchmark/julia/benchmark.jl @@ -0,0 +1,103 @@ +#!/usr/bin/env julia +# +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import BenchmarkTools +using Printf +using SpecialFunctions: acsch + +# Float32 version (matches stdlib acschf semantics): +acschf(x::Float32) = Float32( acsch( Float64(x) ) ) + +# Benchmark variables: +name = "acschf"; +repeats = 3; + +""" + print_version() + +Prints the TAP version. +""" +function print_version() + @printf( "TAP version 13\n" ); +end + +""" + print_summary( total, passing ) + +Print the benchmark summary. +""" +function print_summary( total, passing ) + @printf( "#\n" ); + @printf( "1..%d\n", total ); + @printf( "# total %d\n", total ); + @printf( "# pass %d\n", passing ); + @printf( "#\n" ); + @printf( "# ok\n" ); +end + +""" + print_results( iterations, elapsed ) + +Print benchmark results. +""" +function print_results( iterations, elapsed ) + rate = iterations / elapsed + + @printf( " ---\n" ); + @printf( " iterations: %d\n", iterations ); + @printf( " elapsed: %0.9f\n", elapsed ); + @printf( " rate: %0.9f\n", rate ); + @printf( " ...\n" ); +end + +""" + benchmark() + +Run a benchmark. +""" +function benchmark() + t = BenchmarkTools.@benchmark acschf( + Float32( (200.0*rand()) - 100.0 ) + ) samples=1e6 + + # Total elapsed time (seconds): + s = sum( t.times ) / 1.0e9; + + # Number of iterations: + iter = length( t.times ); + + [ iter, s ]; +end + +""" + main() + +Run benchmarks. +""" +function main() + print_version(); + for i in 1:repeats + @printf( "# julia::%s\n", name ); + results = benchmark(); + print_results( results[1], results[2] ); + @printf( "ok %d benchmark finished\n", i ); + end + print_summary( repeats, repeats ); +end + +main(); diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/binding.gyp b/lib/node_modules/@stdlib/math/base/special/acschf/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/docs/repl.txt b/lib/node_modules/@stdlib/math/base/special/acschf/docs/repl.txt new file mode 100644 index 000000000000..7029c60efb70 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/docs/repl.txt @@ -0,0 +1,39 @@ + +{{alias}}( x ) + Computes the hyperbolic arccosecant of a single-precision floating-point + number. + + The hyperbolic arccosecant is defined as + + acsch(x) = asinh(1/x) + + If `x` is zero, the function returns positive or negative infinity, + depending on the sign of `x`. + + Parameters + ---------- + x: number + Input value. + + Returns + ------- + y: number + Hyperbolic arccosecant. + + Examples + -------- + > var y = {{alias}}( 1.0 ) + ~0.8814 + + > y = {{alias}}( -1.0 ) + ~-0.8814 + + > y = {{alias}}( 0.0 ) + Infinity + + > y = {{alias}}( NaN ) + NaN + + See Also + -------- + diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/docs/types/index.d.ts b/lib/node_modules/@stdlib/math/base/special/acschf/docs/types/index.d.ts new file mode 100644 index 000000000000..ad6c82dffe2e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/docs/types/index.d.ts @@ -0,0 +1,44 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/** +* Computes the hyperbolic arccosecant of a single-precision floating-point number. +* +* @param x - input value +* @returns hyperbolic arccosecant +* +* @example +* var v = acschf( 0.0 ); +* // returns Infinity +* +* @example +* var v = acschf( -1.0 ); +* // returns ~-0.881 +* +* @example +* var v = acschf( 1.0 ); +* // returns ~0.881 +*/ +declare function acschf( x: number ): number; + + +// EXPORTS // + +export = acschf; diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/docs/types/test.ts b/lib/node_modules/@stdlib/math/base/special/acschf/docs/types/test.ts new file mode 100644 index 000000000000..a992e632e03c --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/docs/types/test.ts @@ -0,0 +1,44 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import acschf = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + acschf( 8 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a value other than a number... +{ + acschf( true ); // $ExpectError + acschf( false ); // $ExpectError + acschf( null ); // $ExpectError + acschf( undefined ); // $ExpectError + acschf( '5' ); // $ExpectError + acschf( [] ); // $ExpectError + acschf( {} ); // $ExpectError + acschf( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + acschf(); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/examples/c/Makefile b/lib/node_modules/@stdlib/math/base/special/acschf/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/examples/c/example.c b/lib/node_modules/@stdlib/math/base/special/acschf/examples/c/example.c new file mode 100644 index 000000000000..0123240e585a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/examples/c/example.c @@ -0,0 +1,31 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/acschf.h" +#include + +int main( void ) { + const float x[] = { -5.0f, -3.89f, -2.78f, -1.67f, -0.55f, 0.55f, 1.67f, 2.78f, 3.89f, 5.0f }; + + float v; + int i; + for ( i = 0; i < 10; i++ ) { + v = stdlib_base_acschf( x[ i ] ); + printf( "acschf(%f) = %f\n", x[ i ], v ); + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/examples/index.js b/lib/node_modules/@stdlib/math/base/special/acschf/examples/index.js new file mode 100644 index 000000000000..7af70e55ff60 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/examples/index.js @@ -0,0 +1,29 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var acschf = require( './../lib' ); + +var x = uniform( 100, 1.0, 5.0, { + 'dtype': 'float32' +}); + +logEachMap( 'acschf(%0.4f) = %0.4f', x, acschf ); diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/include.gypi b/lib/node_modules/@stdlib/math/base/special/acschf/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "mathematics", + "math", + "acschf", + "hyperbolic", + "inverse", + "cosecant", + "csc", + "arc", + "arccosecant", + "trig", + "trigonometry", + "angle" + ], + "__stdlib__": { + "scaffold": { + "$schema": "math/base@v1.0", + "base_alias": "acsch", + "alias": "acschf", + "pkg_desc": "compute the hyperbolic arccosecant of a single-precision floating-point number", + "desc": "computes the hyperbolic arccosecant of a single-precision floating-point number", + "short_desc": "hyperbolic arccosecant", + "parameters": [ + { + "name": "x", + "desc": "input value", + "type": { + "javascript": "number", + "jsdoc": "number", + "c": "float", + "dtype": "float32" + }, + "domain": [ + { + "min": "-infinity", + "max": "infinity" + } + ], + "rand": { + "prng": "random/base/uniform", + "parameters": [ + 0.5, + 5 + ] + }, + "example_values": [ + -5, + -3.7, + -2.9, + -2.1, + -1.7, + -1.3, + -1.1, + -0.7, + -0.51, + -0.25, + 0.25, + 0.51, + 0.7, + 1.1, + 1.3, + 1.7, + 2.1, + 2.9, + 3.7, + 5 + ] + } + ], + "output_policy": "real_floating_point_and_generic", + "returns": { + "desc": "hyperbolic arccosecant", + "type": { + "javascript": "number", + "jsdoc": "number", + "c": "float", + "dtype": "float32" + } + }, + "keywords": [ + "acsch", + "hyperbolic", + "inverse", + "cosecant", + "csc", + "arc", + "arccosecant", + "angle", + "asinh" + ], + "extra_keywords": [ + "math.asinh" + ] + } + } +} diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/src/Makefile b/lib/node_modules/@stdlib/math/base/special/acschf/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/src/addon.c b/lib/node_modules/@stdlib/math/base/special/acschf/src/addon.c new file mode 100644 index 000000000000..b88ead99283d --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/src/addon.c @@ -0,0 +1,22 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/acschf.h" +#include "stdlib/math/base/napi/unary.h" + +STDLIB_MATH_BASE_NAPI_MODULE_F_F( stdlib_base_acschf ) diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/src/main.c b/lib/node_modules/@stdlib/math/base/special/acschf/src/main.c new file mode 100644 index 000000000000..021666610d4a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/src/main.c @@ -0,0 +1,34 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/math/base/special/acschf.h" +#include "stdlib/math/base/special/asinhf.h" + +/** +* Computes the hyperbolic arccosecant of a single-precision floating-point number. +* +* @param x input value +* @return output value +* +* @example +* float out = stdlib_base_acschf( 1.0f ); +* // returns ~0.881f +*/ +float stdlib_base_acschf( const float x ) { + return stdlib_base_asinhf( 1.0f / x ); +} diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/REQUIRE b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/REQUIRE new file mode 100644 index 000000000000..308c3be89c85 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/REQUIRE @@ -0,0 +1,2 @@ +julia 1.5 +JSON 0.21 diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/huge_negative.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/huge_negative.json new file mode 100644 index 000000000000..ada599e16e22 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/huge_negative.json @@ -0,0 +1 @@ +{"expected":[-1.0e-200,-5.019974849926002e-206,-2.509993725015688e-206,-1.6733305500268516e-206,-1.2549984375269452e-206,-1.003999002024992e-206,-8.36665975022794e-207,-7.171423500207668e-207,-6.274996125189893e-207,-5.5777747223967364e-207,-5.0199975301612156e-207,-4.563634326595951e-207,-4.1833316251395865e-207,-3.8615370090064635e-207,-3.58571303583717e-207,-3.3466655801159086e-207,-3.1374990469846644e-207,-2.9529403340140812e-207,-2.7888881389878562e-207,-2.642104591507096e-207,-2.5099993950901458e-207,-2.3904756429434362e-207,-2.281817683967051e-207,-2.1826082411002838e-207,-2.091666250076472e-207,-2.0079996168736732e-207,-1.9307688772900055e-207,-1.85925893216741e-207,-1.7928568393520922e-207,-1.7310342004209735e-207,-1.6733330700622636e-207,-1.619354592672254e-207,-1.5687497695898776e-207,-1.5212119050156414e-207,-1.4764703850034883e-207,-1.4342855229110461e-207,-1.3944442639413815e-207,-1.3567565862454559e-207,-1.3210524702714879e-207,-1.287179334368197e-207,-1.2549998550475168e-207,-1.2243901062332101e-207,-1.1952379643310801e-207,-1.1674417358474984e-207,-1.1409089721508387e-207,-1.1155554422647029e-207,-1.0913042396446232e-207,-1.0680850029832605e-207,-1.04583323441494e-207,-1.0244897012053398e-207,-1.0039999092384082e-207,-9.8431363844599e-208,-9.653845318417232e-208,-9.471697310793945e-208,-9.296295525048076e-208,-9.127271985474441e-208,-8.964285000344445e-208,-8.807016856294298e-208,-8.655171751224783e-208,-8.508473937414584e-208,-8.366666050322268e-208,-8.229507601768385e-208,-8.096773618938647e-208,-7.968253413005834e-208,-7.843749463193396e-208,-7.723076403848556e-208,-7.606060103599666e-208,-7.492536826977087e-208,-7.382352470008681e-208,-7.275361862285264e-208,-7.171428128849008e-208,-7.07042210600677e-208,-6.972221805825642e-208,-6.876711924642546e-208,-6.7837833914244195e-208,-6.693332952259577e-208,-6.605262787652375e-208,-6.519480159639082e-208,-6.435897086048672e-208,-6.354430039503303e-208,-6.274999668993768e-208,-6.197530542078969e-208,-6.1219509059488565e-208,-6.048192465759923e-208,-5.976190178803869e-208,-5.90588206320555e-208,-5.837209019967563e-208,-5.770114667287634e-208,-5.704545186172533e-208,-5.640449176460055e-208,-5.577777522439518e-208,-5.516483267332459e-208,-5.456521495959368e-208,-5.397849224976309e-208,-5.340425300117711e-208,-5.284210299929096e-208,-5.229166445516502e-208,-5.175257515878423e-208,-5.122448768421499e-208,-5.070706864293447e-208,-5.019999798196008e-208,-4.970296832367423e-208,-4.921568434448297e-208,-4.8737862189669224e-208,-4.826922892200451e-208,-4.780952200186855e-208,-4.7358488796796086e-208,-4.691588611852571e-208,-4.648147978576824e-208,-4.60550442110429e-208,-4.563636201004964e-208,-4.522522363215654e-208,-4.482142701068245e-208,-4.442477723174882e-208,-4.403508622056022e-208,-4.365217244405298e-208,-4.3275860628923946e-208,-4.290598149411941e-208,-4.254237149692622e-208,-4.218487259186503e-208,-4.183333200163893e-208,-4.1487601999439965e-208,-4.114753970196188e-208,-4.0813006872509785e-208,-4.048386973363687e-208,-4.015999878877444e-208,-3.9841268652355795e-208,-3.952755788796581e-208,-3.921874885407718e-208,-3.8914727556961756e-208,-3.8615383510390566e-208,-3.832060960175984e-208,-3.8030301964302143e-208,-3.77443598550625e-208,-3.746268553833819e-208,-3.718518417429907e-208,-3.6911763712521655e-208,-3.6642334790185974e-208,-3.637681063469862e-208,-3.6115106970519154e-208,-3.5857141929979613e-208,-3.560283596789902e-208,-3.5352111779805616e-208,-3.5104894223590417e-208,-3.4861110244425173e-208,-3.462068880278718e-208,-3.438356080544194e-208,-3.4149659039242926e-208,-3.3918918107615066e-208,-3.3691274369595984e-208,-3.3466665881315573e-208,-3.3245032339800905e-208,-3.3026315028999326e-208,-3.281045676791834e-208,-3.2597401860785986e-208,-3.2387096049140495e-208,-3.2179486465762673e-208,-3.1974521590368795e-208,-3.1772151206986077e-208,-3.157232636293661e-208,-3.1374999329359393e-208,-3.1180123563203596e-208,-3.0987653670629493e-208,-3.0797545371756573e-208,-3.0609755466701383e-208,-3.0424241802850332e-208,-3.024096324331544e-208,-3.005987963652337e-208,-2.98809517868906e-208,-2.9704141426539696e-208,-2.952941118801385e-208,-2.9356724577948783e-208,-2.918604595166307e-208,-2.9017340488629767e-208,-2.8850574168793775e-208,-2.8685713749701234e-208,-2.8522726744408582e-208,-2.8361581400140456e-208,-2.820224667766697e-208,-2.8044692231372315e-208,-2.7888888389987665e-208,-2.7734806137962833e-208,-2.7582417097452006e-208,-2.7431693510890154e-208,-2.7282608224137533e-208,-2.7135134670170936e-208,-2.698924685330097e-208,-2.6844919333895745e-208,-2.6702127213592132e-208,-2.6560846120976465e-208,-2.6421052197717457e-208,-2.6282722085134735e-208,-2.614583291118707e-208,-2.6010362277865185e-208,-2.587628824897439e-208,-2.5743589338293235e-208,-2.561224449809455e-208,-2.5482233108016187e-208,-2.5353534964268957e-208,-2.5226130269169975e-208,-2.5099999620990004e-208,-2.4975124004103865e-208,-2.4851484779433395e-208,-2.4729063675172906e-208,-2.46078427777873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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/huge_positive.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/huge_positive.json new file mode 100644 index 000000000000..d408d2259c5a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/huge_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/large_negative.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/large_negative.json new file mode 100644 index 000000000000..aa5f5403dca4 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/large_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/large_positive.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/large_positive.json new file mode 100644 index 000000000000..dcb11fa80b1a --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/large_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/larger_negative.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/larger_negative.json new file mode 100644 index 000000000000..643fcc4c413e --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/larger_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/larger_positive.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/larger_positive.json new file mode 100644 index 000000000000..a2581e9b32c3 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/larger_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/medium_negative.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/medium_negative.json new file mode 100644 index 000000000000..6c1e0f9d3aed --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/medium_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/medium_positive.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/medium_positive.json new file mode 100644 index 000000000000..1808609050ff --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/medium_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/runner.jl new file mode 100755 index 000000000000..c98a4c5aa415 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/runner.jl @@ -0,0 +1,114 @@ +#!/usr/bin/env julia +# +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import JSON + +""" +gen( domain, name ) + +Generate fixture data and write to file. + +# Arguments + +* `domain`: domain +* `name::AbstractString`: output filename + +# Examples + +``` julia +julia> x = range( -1000, stop = 1000, length = 2001 ); +julia> gen( x, \"data.json\" ); +``` +""" +function gen( domain, name ) + x = collect( domain ); + y = acschf.( x ); + + # Store data to be written to file as a collection: + data = Dict([ + ("x", x), + ("expected", y) + ]); + + # Based on the script directory, create an output filepath: + filepath = joinpath( dir, name ); + + # Write the data to the output filepath as JSON: + outfile = open( filepath, "w" ); + write( outfile, JSON.json(data) ); + write( outfile, "\n" ); + close( outfile ); +end + +# Get the filename: +file = @__FILE__; + +# Extract the directory in which this file resides: +dir = dirname( file ); + +# Negative tiny values: +x = range( -1e-300, stop = -1e-308, length = 503 ); +gen( x, "tiny_negative.json" ); + +# Positive tiny values: +x = range( 1e-300, stop = 1e-308, length = 503 ); +gen( x, "tiny_positive.json" ); + +# Small(er) values: +x = range( -0.8, stop = 0.8, length = 503 ); +gen( x, "smaller.json" ); + +# Negative small values: +x = range( -0.8, stop = -1.0, length = 503 ); +gen( x, "small_negative.json" ); + +# Positive small values: +x = range( 0.8, stop = 1.0, length = 503 ); +gen( x, "small_positive.json" ); + +# Negative medium values: +x = range( -1.0, stop = -3.0, length = 503 ); +gen( x, "medium_negative.json" ); + +# Positive medium values: +x = range( 1.0, stop = 3.0, length = 503 ); +gen( x, "medium_positive.json" ); + +# Large negative values: +x = range( -3.0, stop = -28.0, length = 503 ); +gen( x, "large_negative.json" ); + +# Large positive values: +x = range( 3.0, stop = 28.0, length = 503 ); +gen( x, "large_positive.json" ); + +# Larger negative values: +x = range( -28.0, stop = -100.0, length = 503 ); +gen( x, "larger_negative.json" ); + +# Larger positive values: +x = range( 28.0, stop = 100.0, length = 503 ); +gen( x, "larger_positive.json" ); + +# Huge negative values: +x = range( -1e200, stop = -1e208, length = 503 ); +gen( x, "huge_negative.json" ); + +# Huge positive values: +x = range( 1e300, stop = 1e308, length = 503 ); +gen( x, "huge_positive.json" ); diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/small_negative.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/small_negative.json new file mode 100644 index 000000000000..24089f994a16 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/small_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/small_positive.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/small_positive.json new file mode 100644 index 000000000000..be07fa4a05c8 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/small_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/smaller.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/smaller.json new file mode 100644 index 000000000000..b06547e25f72 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/smaller.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/tiny_negative.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/tiny_negative.json new file mode 100644 index 000000000000..7b46592775a9 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/tiny_negative.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/tiny_positive.json b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/tiny_positive.json new file mode 100644 index 000000000000..55a2d49011e0 --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/fixtures/julia/tiny_positive.json @@ -0,0 +1 @@ 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diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/test.js b/lib/node_modules/@stdlib/math/base/special/acschf/test/test.js new file mode 100644 index 000000000000..191c2b878e5b --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/test.js @@ -0,0 +1,446 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var EPS = require( '@stdlib/constants/float32/eps' ); +var PINF = require( '@stdlib/constants/float32/pinf' ); +var NINF = require( '@stdlib/constants/float32/ninf' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var acschf = require( './../lib' ); +var largerNegative = require( './fixtures/julia/larger_negative.json' ); +var largerPositive = require( './fixtures/julia/larger_positive.json' ); +var largeNegative = require( './fixtures/julia/large_negative.json' ); +var largePositive = require( './fixtures/julia/large_positive.json' ); +var mediumNegative = require( './fixtures/julia/medium_negative.json' ); +var mediumPositive = require( './fixtures/julia/medium_positive.json' ); +var smallNegative = require( './fixtures/julia/small_negative.json' ); +var smallPositive = require( './fixtures/julia/small_positive.json' ); +var smaller = require( './fixtures/julia/smaller.json' ); +var hugeNegative = require( './fixtures/julia/huge_negative.json' ); +var hugePositive = require( './fixtures/julia/huge_positive.json' ); +var tinyNegative = require( './fixtures/julia/tiny_negative.json' ); +var tinyPositive = require( './fixtures/julia/tiny_positive.json' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof acschf, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function handles signed zero', function test( t ) { + t.strictEqual( acschf( 0.0 ), PINF, 'positive zero returns +infinity' ); + t.strictEqual( acschf( -0.0 ), NINF, 'negative zero returns -infinity' ); + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-0.8,0.8]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = smaller.x; + expected = smaller.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + + if ( expected[ i ] === null ) { + t.strictEqual( y, PINF, 'x: '+x[ i ]+'. E: +infinity' ); + } else { + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-1.0,-0.8]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = smallNegative.x; + expected = smallNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[0.8,1.0]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = smallPositive.x; + expected = smallPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-3.0,-1.0]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = mediumNegative.x; + expected = mediumNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[1.0,3.0]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = mediumPositive.x; + expected = mediumPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[3.0,28.0]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largePositive.x; + expected = largePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-28.0,-3.0]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largeNegative.x; + expected = largeNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[28.0,100.0]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largerPositive.x; + expected = largerPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-100.0,-28.0]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largerNegative.x; + expected = largerNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-1e200,-1e208]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = hugeNegative.x; + expected = hugeNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[1e300,1e308]`', function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = hugePositive.x; + expected = hugePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.'); + } + } + t.end(); +}); + +tape( 'the function returns `NaN` if provided `NaN`', function test( t ) { + var v = acschf( NaN ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns -0 if provided -infinity', function test( t ) { + var v = acschf( NINF ); + t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns +0 if provided +infinity', function test( t ) { + var v = acschf( PINF ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function evaluates the inverse hyperbolic arccosecant for tiny negative values', function test( t ) { + var i; + var v; + + for ( i = 0; i < tinyNegative.length; i++ ) { + v = acschf( tinyNegative[ i ] ); + t.strictEqual( isnanf( v ), false, 'does not return NaN' ); + } + t.end(); +}); + +tape( 'the function evaluates the inverse hyperbolic arccosecant for tiny positive values', function test( t ) { + var i; + var v; + + for ( i = 0; i < tinyPositive.length; i++ ) { + v = acschf( tinyPositive[ i ] ); + t.strictEqual( isnanf( v ), false, 'does not return NaN' ); + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/math/base/special/acschf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/acschf/test/test.native.js new file mode 100644 index 000000000000..9d358cb1ec2f --- /dev/null +++ b/lib/node_modules/@stdlib/math/base/special/acschf/test/test.native.js @@ -0,0 +1,461 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var EPS = require( '@stdlib/constants/float32/eps' ); +var PINF = require( '@stdlib/constants/float32/pinf' ); +var NINF = require( '@stdlib/constants/float32/ninf' ); +var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var tinyNegative = require( './fixtures/julia/tiny_negative.json' ); +var tinyPositive = require( './fixtures/julia/tiny_positive.json' ); +var largerNegative = require( './fixtures/julia/larger_negative.json' ); +var largerPositive = require( './fixtures/julia/larger_positive.json' ); +var largeNegative = require( './fixtures/julia/large_negative.json' ); +var largePositive = require( './fixtures/julia/large_positive.json' ); +var mediumNegative = require( './fixtures/julia/medium_negative.json' ); +var mediumPositive = require( './fixtures/julia/medium_positive.json' ); +var smallNegative = require( './fixtures/julia/small_negative.json' ); +var smallPositive = require( './fixtures/julia/small_positive.json' ); +var smaller = require( './fixtures/julia/smaller.json' ); +var hugeNegative = require( './fixtures/julia/huge_negative.json' ); +var hugePositive = require( './fixtures/julia/huge_positive.json' ); + + +// VARIABLES // + +var acschf = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( acschf instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof acschf, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-0.8,0.8]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = smaller.x; + expected = smaller.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + + if ( expected[ i ] === null ) { + t.strictEqual( y, PINF, 'x: '+x[ i ]+'. E: +infinity' ); + } else { + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta+'.' ); + } + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-1.0,-0.8]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = smallNegative.x; + expected = smallNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[0.8,1.0]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = smallPositive.x; + expected = smallPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-3.0,-1.0]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = mediumNegative.x; + expected = mediumNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[1.0,3.0]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = mediumPositive.x; + expected = mediumPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[3.0,28.0]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largePositive.x; + expected = largePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-28.0,-3.0]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largeNegative.x; + expected = largeNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[28.0,100.0]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largerPositive.x; + expected = largerPositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-100.0,-28.0]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = largerNegative.x; + expected = largerNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[-1e200,-1e208]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = hugeNegative.x; + expected = hugeNegative.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function computes the hyperbolic arccosecant on the interval `[1e300,1e308]`', opts, function test( t ) { + var expected; + var delta; + var tol; + var x; + var y; + var i; + var e; + + x = hugePositive.x; + expected = hugePositive.expected; + + for ( i = 0; i < x.length; i++ ) { + y = acschf( x[ i ] ); + e = float64ToFloat32( expected[ i ] ); + + if ( y === e ) { + t.strictEqual( y, e, 'x: '+x[ i ]+'. E: '+e ); + } else { + delta = abs( y - e ); + tol = 1.8 * EPS * abs( e ); + t.ok(delta <= tol, 'within tolerance. x: '+x[ i ]+ + '. y: '+y+ + '. E: '+e+ + '. tol: '+tol+ + '. Δ: '+delta); + } + } + t.end(); +}); + +tape( 'the function returns `NaN` if provided `NaN`', opts, function test( t ) { + var v = acschf( NaN ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `+infinity` if provided `+0`', opts, function test( t ) { + var v = acschf( +0.0 ); + t.strictEqual( v, PINF, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `-infinity` if provided `-0`', opts, function test( t ) { + var v = acschf( -0.0 ); + t.strictEqual( v, NINF, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `-0` if provided `-infinity`', opts, function test( t ) { + var v = acschf( NINF ); + t.strictEqual( isNegativeZerof( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function returns `+0` if provided `+infinity`', opts, function test( t ) { + var v = acschf( PINF ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the native function evaluates the inverse hyperbolic arccosecant for tiny negative values', function test( t ) { + var i; + var v; + + for ( i = 0; i < tinyNegative.length; i++ ) { + v = acschf( tinyNegative[ i ] ); + t.strictEqual( isnanf( v ), false, 'does not return NaN' ); + } + t.end(); +}); + +tape( 'the native function evaluates the inverse hyperbolic arccosecant for tiny positive values', function test( t ) { + var i; + var v; + + for ( i = 0; i < tinyPositive.length; i++ ) { + v = acschf( tinyPositive[ i ] ); + t.strictEqual( isnanf( v ), false, 'does not return NaN' ); + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/ndarray/README.md b/lib/node_modules/@stdlib/ndarray/README.md index 09226745040e..1fe20e7ef386 100644 --- a/lib/node_modules/@stdlib/ndarray/README.md +++ b/lib/node_modules/@stdlib/ndarray/README.md @@ -77,7 +77,7 @@ In addition, the namespace contains the following multidimensional array utility - [`broadcastArray( x, shape )`][@stdlib/ndarray/broadcast-array]: broadcast an ndarray to a specified shape. - [`broadcastArrays( ...arrays )`][@stdlib/ndarray/broadcast-arrays]: broadcast ndarrays to a common shape. - [`castingModes()`][@stdlib/ndarray/casting-modes]: list of ndarray casting modes. -- [`concat( arrays[, dim] )`][@stdlib/ndarray/concat]: concatenate a list of ndarrays along a specified ndarray dimension. +- [`concat( arrays[, options] )`][@stdlib/ndarray/concat]: concatenate a list of ndarrays along a specified ndarray dimension. - [`copy( x[, options] )`][@stdlib/ndarray/copy]: copy an input ndarray to a new ndarray having the same shape and data type. - [`countFalsy( x[, options] )`][@stdlib/ndarray/count-falsy]: count the number of falsy elements along one or more `ndarray` dimensions. - [`countIf( x[, options], predicate[, thisArg] )`][@stdlib/ndarray/count-if]: count the number of truthy elements along one or more `ndarray` dimensions. diff --git a/lib/node_modules/@stdlib/ndarray/base/README.md b/lib/node_modules/@stdlib/ndarray/base/README.md index 52e31c43cb78..f5737b30f9b0 100644 --- a/lib/node_modules/@stdlib/ndarray/base/README.md +++ b/lib/node_modules/@stdlib/ndarray/base/README.md @@ -58,7 +58,7 @@ var o = ns; - [`broadcastArrayExceptDimensions( arr, shape, dims )`][@stdlib/ndarray/base/broadcast-array-except-dimensions]: broadcast an input ndarray to a target shape while keeping a list of specified dimensions unchanged. - [`broadcastArray( arr, shape )`][@stdlib/ndarray/base/broadcast-array]: broadcast an ndarray to a specified shape. - [`broadcastArrays( arrays )`][@stdlib/ndarray/base/broadcast-arrays]: broadcast ndarrays to a common shape. -- [`broadcastScalar( value, dtype, shape, order )`][@stdlib/ndarray/base/broadcast-scalar]: broadcast a scalar value to an `ndarray` having a specified shape. +- [`broadcastScalar( value, dtype, shape, order )`][@stdlib/ndarray/base/broadcast-scalar]: broadcast a scalar value to an ndarray having a specified shape. - [`broadcastShapes( shapes )`][@stdlib/ndarray/base/broadcast-shapes]: broadcast array shapes to a single shape. - [`bufferCtors( dtype )`][@stdlib/ndarray/base/buffer-ctors]: ndarray data buffer constructors. - [`bufferDataTypeEnum( buffer )`][@stdlib/ndarray/base/buffer-dtype-enum]: return the data type enumeration constant of an ndarray data buffer. @@ -89,11 +89,12 @@ var o = ns; - [`dtype2c( dtype )`][@stdlib/ndarray/base/dtype2c]: return the C data type associated with a provided data type value. - [`dtypes2enums( dtypes )`][@stdlib/ndarray/base/dtypes2enums]: resolve a list of data type enumeration constants. - [`dtypes2signatures( dtypes, nin, nout )`][@stdlib/ndarray/base/dtypes2signatures]: transform a list of array argument data types into a list of signatures. +- [`dtypes2strings( dtypes )`][@stdlib/ndarray/base/dtypes2strings]: resolve a list of data type strings. - [`emptyLike( x )`][@stdlib/ndarray/base/empty-like]: create an uninitialized ndarray having the same shape and data type as a provided ndarray. - [`empty( dtype, shape, order )`][@stdlib/ndarray/base/empty]: create an uninitialized ndarray having a specified shape and data type. - [`everyBy( arrays, predicate[, thisArg] )`][@stdlib/ndarray/base/every-by]: test whether all elements in an ndarray pass a test implemented by a predicate function. - [`every( arrays )`][@stdlib/ndarray/base/every]: test whether every element in an ndarray is truthy. -- [`expandDimensions( x, axis )`][@stdlib/ndarray/base/expand-dimensions]: expand the shape of an array by inserting a new dimension of size one at a specified axis. +- [`expandDimensions( x, dim, writable )`][@stdlib/ndarray/base/expand-dimensions]: expand the shape of an array by inserting a new dimension of size one at a specified dimension index. - [`fillBy( x, fcn[, thisArg] )`][@stdlib/ndarray/base/fill-by]: fill an input ndarray according to a callback function. - [`fill( x, value )`][@stdlib/ndarray/base/fill]: fill an input ndarray with a specified value. - [`find( arrays, predicate[, thisArg] )`][@stdlib/ndarray/base/find]: return the first element in an ndarray which passes a test implemented by a predicate function. @@ -145,7 +146,7 @@ var o = ns; - [`outputPolicyResolveStr( dtype )`][@stdlib/ndarray/base/output-policy-resolve-str]: return the policy string associated with a supported ndarray data type policy value. - [`outputPolicyStr2Enum( policy )`][@stdlib/ndarray/base/output-policy-str2enum]: return the enumeration constant associated with an output ndarray data type policy string. - [`pop( x, dim, writable )`][@stdlib/ndarray/base/pop]: return an array containing a truncated view of an input ndarray and a view of the last element(s) along a specified dimension. -- [`prependSingletonDimensions( x, n )`][@stdlib/ndarray/base/prepend-singleton-dimensions]: prepend singleton dimensions. +- [`prependSingletonDimensions( x, n, writable )`][@stdlib/ndarray/base/prepend-singleton-dimensions]: prepend singleton dimensions. - [`promoteDataTypes( dtypes )`][@stdlib/ndarray/base/promote-dtypes]: resolve the data type that results from applying promotion rules to a provided list of data types. - [`removeSingletonDimensions( x )`][@stdlib/ndarray/base/remove-singleton-dimensions]: remove singleton dimensions. - [`reverseDimension( x, dim, writable )`][@stdlib/ndarray/base/reverse-dimension]: return a view of an input ndarray in which the order of elements along a specified dimension is reversed. @@ -164,14 +165,21 @@ var o = ns; - [`slice( x, slice, strict, writable )`][@stdlib/ndarray/base/slice]: return a view of an input ndarray. - [`someBy( arrays, predicate[, thisArg ] )`][@stdlib/ndarray/base/some-by]: test whether at least `n` elements in an ndarray pass a test implemented by a predicate function. - [`some( arrays )`][@stdlib/ndarray/base/some]: test whether at least `n` elements in an ndarray are truthy. -- [`spreadDimensions( ndims, x, dims )`][@stdlib/ndarray/base/spread-dimensions]: expand the shape of an array to a specified dimensionality by spreading its dimensions to specified dimension indices and inserting dimensions of size one for the remaining dimensions. +- [`spreadDimensions( ndims, x, dims, writable )`][@stdlib/ndarray/base/spread-dimensions]: expand the shape of an array to a specified dimensionality by spreading its dimensions to specified dimension indices and inserting dimensions of size one for the remaining dimensions. - [`stride( x, dim )`][@stdlib/ndarray/base/stride]: return the stride along a specified dimension for a provided ndarray. - [`strides( x, copy )`][@stdlib/ndarray/base/strides]: return the strides of a provided ndarray. - [`strides2offset( shape, strides )`][@stdlib/ndarray/base/strides2offset]: determine the index offset which specifies the location of the first indexed value in a multidimensional array based on a stride array. - [`strides2order( strides )`][@stdlib/ndarray/base/strides2order]: determine the order of a multidimensional array based on a provided stride array. - [`sub2ind( shape, strides, offset, ...subscripts, mode )`][@stdlib/ndarray/base/sub2ind]: convert subscripts to a linear index. +- [`ternaryLoopOrder( shape, stridesX, stridesY, stridesZ, stridesW )`][@stdlib/ndarray/base/ternary-loop-interchange-order]: reorder ndarray dimensions and associated strides for loop interchange. +- [`ternaryOutputDataType( xdtype, ydtype, zdtype, policy )`][@stdlib/ndarray/base/ternary-output-dtype]: resolve the output ndarray data type for a ternary function. +- [`ternaryBlockSize( dtypeX, dtypeY, dtypeZ, dtypeW )`][@stdlib/ndarray/base/ternary-tiling-block-size]: resolve a loop block size for multi-dimensional array tiled loops. +- [`ternary( arrays, fcn )`][@stdlib/ndarray/base/ternary]: apply a ternary callback to elements in input ndarrays and assign results to elements in an output ndarray. - [`ndarray2array( buffer, shape, strides, offset, order )`][@stdlib/ndarray/base/to-array]: convert an ndarray buffer to a generic array. +- [`toFlippedlr( x )`][@stdlib/ndarray/base/to-flippedlr]: return a new ndarray where the order of elements along the last dimension of an input ndarray is reversed. +- [`toFlippedud( x )`][@stdlib/ndarray/base/to-flippedud]: return a new ndarray where the order of elements along the second-to-last dimension of an input ndarray is reversed. - [`toNormalizedIndices( indices, max )`][@stdlib/ndarray/base/to-normalized-indices]: normalize a list of indices to the interval `[0,max]`. +- [`toReversedDimension( x, dim )`][@stdlib/ndarray/base/to-reversed-dimension]: return a new ndarray where the order of elements of an input ndarray along a specified dimension is reversed. - [`toReversed( x )`][@stdlib/ndarray/base/to-reversed]: return a new ndarray where the order of elements of an input ndarray is reversed along each dimension. - [`toUniqueNormalizedIndices( indices, max )`][@stdlib/ndarray/base/to-unique-normalized-indices]: return a list of unique indices after normalizing to the interval `[0,max]`. - [`transpose( x )`][@stdlib/ndarray/base/transpose]: transpose a matrix (or a stack of matrices). @@ -348,6 +356,8 @@ console.log( objectKeys( ns ) ); [@stdlib/ndarray/base/dtypes2signatures]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/dtypes2signatures +[@stdlib/ndarray/base/dtypes2strings]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/dtypes2strings + [@stdlib/ndarray/base/empty-like]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/empty-like [@stdlib/ndarray/base/empty]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/empty @@ -510,10 +520,24 @@ console.log( objectKeys( ns ) ); [@stdlib/ndarray/base/sub2ind]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/sub2ind +[@stdlib/ndarray/base/ternary-loop-interchange-order]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/ternary-loop-interchange-order + +[@stdlib/ndarray/base/ternary-output-dtype]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/ternary-output-dtype + +[@stdlib/ndarray/base/ternary-tiling-block-size]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/ternary-tiling-block-size + +[@stdlib/ndarray/base/ternary]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/ternary + [@stdlib/ndarray/base/to-array]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/to-array +[@stdlib/ndarray/base/to-flippedlr]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/to-flippedlr + +[@stdlib/ndarray/base/to-flippedud]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/to-flippedud + [@stdlib/ndarray/base/to-normalized-indices]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/to-normalized-indices +[@stdlib/ndarray/base/to-reversed-dimension]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/to-reversed-dimension + [@stdlib/ndarray/base/to-reversed]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/to-reversed [@stdlib/ndarray/base/to-unique-normalized-indices]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/ndarray/base/to-unique-normalized-indices diff --git a/lib/node_modules/@stdlib/object/README.md b/lib/node_modules/@stdlib/object/README.md index 0c5b655f6a28..57c3014f7a4b 100644 --- a/lib/node_modules/@stdlib/object/README.md +++ b/lib/node_modules/@stdlib/object/README.md @@ -45,13 +45,32 @@ The namespace contains the following:
+- [`anyInBy( object, predicate[, thisArg ] )`][@stdlib/object/any-in-by]: test whether at least one property in an object passes a test implemented by a predicate function. +- [`anyOwnBy( object, predicate[, thisArg ] )`][@stdlib/object/any-own-by]: test whether at least one own property of a provided object passes a test implemented by a predicate function. - [`assignIn( target, source1[, source2[,...,sourceN]] )`][@stdlib/object/assign-in]: copy enumerable own and inherited properties from one or more source objects to a target object. - [`assign( target, source1[, source2[,...,sourceN]] )`][@stdlib/object/assign]: copy enumerable own properties from one or more source objects to a target object. +- [`bifurcateIn( obj, [options,] predicate )`][@stdlib/object/bifurcate-in]: split an object's **own** and **inherited** property values into two groups according to a predicate function. +- [`bifurcateOwn( obj, [options,] predicate )`][@stdlib/object/bifurcate-own]: split an object's **own** property values into two groups according to a predicate function. +- [`capitalizeKeys( obj )`][@stdlib/object/capitalize-keys]: convert the first letter of each object key to uppercase. +- [`commonKeysIn( obj1, obj2[, obj3[,...,objN]] )`][@stdlib/object/common-keys-in]: return the common own and inherited property names of two or more objects. +- [`commonKeys( obj1, obj2[, obj3[,...,objN]] )`][@stdlib/object/common-keys]: return the common own property names of two or more objects. - [`Object( value )`][@stdlib/object/ctor]: object constructor. +- [`deepGet( obj, path[, options] )`][@stdlib/object/deep-get]: get a nested property value. +- [`deepSet( obj, path, value[, options] )`][@stdlib/object/deep-set]: set a nested property value. - [`everyInBy( object, predicate[, thisArg ] )`][@stdlib/object/every-in-by]: test whether all properties (own and inherited) of an object pass a test implemented by a predicate function. - [`everyOwnBy( object, predicate[, thisArg ] )`][@stdlib/object/every-own-by]: test whether all own propertes of an object pass a test implemented by a predicate function. +- [`forIn( obj, fcn[, thisArg ] )`][@stdlib/object/for-in]: invoke a function for each own and inherited enumerable property of an object. +- [`forOwn( obj, fcn[, thisArg ] )`][@stdlib/object/for-own]: invoke a function for each own enumerable property of an object. +- [`inverseBy( obj, [options,] transform )`][@stdlib/object/inverse-by]: invert an object, such that keys become values and values become keys, according to a transform function. +- [`inverse( obj[, options] )`][@stdlib/object/inverse]: invert an object, such that keys become values and values become keys. +- [`lowercaseKeys( obj )`][@stdlib/object/lowercase-keys]: convert each object key to lowercase. +- [`moveProperty( source, prop, target )`][@stdlib/object/move-property]: move a property from one object to another object. - [`noneInBy( object, predicate[, thisArg ] )`][@stdlib/object/none-in-by]: test whether every property of an object fails a test implemented by a predicate function. +- [`noneOwnBy( object, predicate[, thisArg ] )`][@stdlib/object/none-own-by]: tests whether every own property of an object fails a test implemented by a predicate function. - [`someInBy( obj, n, predicate[, thisArg ] )`][@stdlib/object/some-in-by]: test whether an object contains at least `n` properties which pass a test implemented by a predicate function. +- [`someOwnBy( obj, n, predicate[, thisArg ] )`][@stdlib/object/some-own-by]: test whether an object contains at least `n` own properties which pass a test implemented by a predicate function. +- [`uncapitalizeKeys( obj )`][@stdlib/object/uncapitalize-keys]: convert the first letter of each object key to lowercase. +- [`uppercaseKeys( obj )`][@stdlib/object/uppercase-keys]: convert each object key to uppercase.
@@ -94,20 +113,58 @@ console.log( objectKeys( ns ) ); +[@stdlib/object/any-in-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/any-in-by + +[@stdlib/object/any-own-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/any-own-by + [@stdlib/object/assign-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/assign-in [@stdlib/object/assign]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/assign +[@stdlib/object/bifurcate-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/bifurcate-in + +[@stdlib/object/bifurcate-own]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/bifurcate-own + +[@stdlib/object/capitalize-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/capitalize-keys + +[@stdlib/object/common-keys-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/common-keys-in + +[@stdlib/object/common-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/common-keys + [@stdlib/object/ctor]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/ctor +[@stdlib/object/deep-get]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/deep-get + +[@stdlib/object/deep-set]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/deep-set + [@stdlib/object/every-in-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/every-in-by [@stdlib/object/every-own-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/every-own-by +[@stdlib/object/for-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/for-in + +[@stdlib/object/for-own]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/for-own + +[@stdlib/object/inverse-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/inverse-by + +[@stdlib/object/inverse]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/inverse + +[@stdlib/object/lowercase-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/lowercase-keys + +[@stdlib/object/move-property]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/move-property + [@stdlib/object/none-in-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/none-in-by +[@stdlib/object/none-own-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/none-own-by + [@stdlib/object/some-in-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/some-in-by +[@stdlib/object/some-own-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/some-own-by + +[@stdlib/object/uncapitalize-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/uncapitalize-keys + +[@stdlib/object/uppercase-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/object/uppercase-keys +
diff --git a/lib/node_modules/@stdlib/random/README.md b/lib/node_modules/@stdlib/random/README.md index 6432efb370ef..4c9b393c29e9 100644 --- a/lib/node_modules/@stdlib/random/README.md +++ b/lib/node_modules/@stdlib/random/README.md @@ -54,7 +54,45 @@ The namespace exports the following functions to sample and shuffle elements fro The namespace contains the following functions for generating pseudorandom values drawn from probability distributions: - + + +
+ +- [`arcsine( shape, a, b[, options] )`][@stdlib/random/arcsine]: generate pseudorandom numbers drawn from an arcsine distribution. +- [`bernoulli( shape, p[, options] )`][@stdlib/random/bernoulli]: generate pseudorandom numbers drawn from a Bernoulli distribution. +- [`beta( shape, a, b[, options] )`][@stdlib/random/beta]: generate pseudorandom numbers drawn from a beta distribution. +- [`betaprime( shape, alpha, beta[, options] )`][@stdlib/random/betaprime]: generate pseudorandom numbers drawn from a betaprime distribution. +- [`binomial( shape, n, p[, options] )`][@stdlib/random/binomial]: generate pseudorandom numbers drawn from a binomial distribution. +- [`cauchy( shape, x0, gamma[, options] )`][@stdlib/random/cauchy]: generate pseudorandom numbers drawn from a Cauchy distribution. +- [`chi( shape, k[, options] )`][@stdlib/random/chi]: generate pseudorandom numbers drawn from a chi distribution. +- [`chisquare( shape, k[, options] )`][@stdlib/random/chisquare]: generate pseudorandom numbers drawn from a chi-square distribution. +- [`cosine( shape, mu, s[, options] )`][@stdlib/random/cosine]: generate pseudorandom numbers drawn from a raised cosine distribution. +- [`discreteUniform( shape, a, b[, options] )`][@stdlib/random/discrete-uniform]: generate pseudorandom numbers drawn from a discrete uniform distribution. +- [`erlang( shape, k, lambda[, options] )`][@stdlib/random/erlang]: generate pseudorandom numbers drawn from an Erlang distribution. +- [`exponential( shape, lambda[, options] )`][@stdlib/random/exponential]: generate pseudorandom numbers drawn from an exponential distribution. +- [`f( shape, d1, d2[, options] )`][@stdlib/random/f]: generate pseudorandom numbers drawn from an F distribution. +- [`frechet( shape, alpha, s, m[, options] )`][@stdlib/random/frechet]: generate pseudorandom numbers drawn from a Fréchet distribution. +- [`gamma( shape, alpha, beta[, options] )`][@stdlib/random/gamma]: generate pseudorandom numbers drawn from a gamma distribution. +- [`geometric( shape, p[, options] )`][@stdlib/random/geometric]: generate pseudorandom numbers drawn from a geometric distribution. +- [`gumbel( shape, mu, beta[, options] )`][@stdlib/random/gumbel]: generate pseudorandom numbers drawn from a Gumbel distribution. +- [`hypergeometric( shape, N, K, n[, options] )`][@stdlib/random/hypergeometric]: generate pseudorandom numbers drawn from a hypergeometric distribution. +- [`invgamma( shape, alpha, beta[, options] )`][@stdlib/random/invgamma]: generate pseudorandom numbers drawn from an inverse gamma distribution. +- [`kumaraswamy( shape, a, b[, options] )`][@stdlib/random/kumaraswamy]: generate pseudorandom numbers drawn from a Kumaraswamy distribution. +- [`laplace( shape, mu, b[, options] )`][@stdlib/random/laplace]: generate pseudorandom numbers drawn from a Laplace (double exponential) distribution. +- [`levy( shape, mu, c[, options] )`][@stdlib/random/levy]: generate pseudorandom numbers drawn from a Lévy distribution. +- [`logistic( shape, mu, s[, options] )`][@stdlib/random/logistic]: generate pseudorandom numbers drawn from a logistic distribution. +- [`lognormal( shape, mu, sigma[, options] )`][@stdlib/random/lognormal]: generate pseudorandom numbers drawn from a lognormal distribution. +- [`negativeBinomial( shape, r, p[, options] )`][@stdlib/random/negative-binomial]: generate pseudorandom numbers drawn from a negative binomial distribution. +- [`normal( shape, mu, sigma[, options] )`][@stdlib/random/normal]: generate pseudorandom numbers drawn from a normal distribution. +- [`pareto1( shape, alpha, beta[, options] )`][@stdlib/random/pareto-type1]: generate pseudorandom numbers drawn from a Pareto (Type I) distribution. +- [`poisson( shape, lambda[, options] )`][@stdlib/random/poisson]: generate pseudorandom numbers drawn from a Poisson distribution. +- [`rayleigh( shape, sigma[, options] )`][@stdlib/random/rayleigh]: generate pseudorandom numbers drawn from a Rayleigh distribution. +- [`t( shape, v[, options] )`][@stdlib/random/t]: generate pseudorandom numbers drawn from a Student's t-distribution. +- [`triangular( shape, a, b, c[, options] )`][@stdlib/random/triangular]: generate pseudorandom numbers drawn from a triangular distribution. +- [`uniform( shape, a, b[, options] )`][@stdlib/random/uniform]: generate pseudorandom numbers drawn from a continuous uniform distribution. +- [`weibull( shape, k, lambda[, options] )`][@stdlib/random/weibull]: generate pseudorandom numbers drawn from a Weibull distribution. + +
@@ -148,6 +186,72 @@ logEach( '%f, %f, %f', arr[ 0 ], arr[ 1 ], arr[ 2 ] ); [@stdlib/random/strided]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/strided +[@stdlib/random/arcsine]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/arcsine + +[@stdlib/random/bernoulli]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/bernoulli + +[@stdlib/random/beta]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/beta + +[@stdlib/random/betaprime]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/betaprime + +[@stdlib/random/binomial]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/binomial + +[@stdlib/random/cauchy]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/cauchy + +[@stdlib/random/chi]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/chi + +[@stdlib/random/chisquare]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/chisquare + +[@stdlib/random/cosine]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/cosine + +[@stdlib/random/discrete-uniform]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/discrete-uniform + +[@stdlib/random/erlang]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/erlang + +[@stdlib/random/exponential]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/exponential + +[@stdlib/random/f]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/f + +[@stdlib/random/frechet]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/frechet + +[@stdlib/random/gamma]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/gamma + +[@stdlib/random/geometric]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/geometric + +[@stdlib/random/gumbel]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/gumbel + +[@stdlib/random/hypergeometric]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/hypergeometric + +[@stdlib/random/invgamma]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/invgamma + +[@stdlib/random/kumaraswamy]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/kumaraswamy + +[@stdlib/random/laplace]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/laplace + +[@stdlib/random/levy]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/levy + +[@stdlib/random/logistic]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/logistic + +[@stdlib/random/lognormal]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/lognormal + +[@stdlib/random/negative-binomial]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/negative-binomial + +[@stdlib/random/normal]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/normal + +[@stdlib/random/pareto-type1]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/pareto-type1 + +[@stdlib/random/poisson]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/poisson + +[@stdlib/random/rayleigh]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/rayleigh + +[@stdlib/random/t]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/t + +[@stdlib/random/triangular]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/triangular + +[@stdlib/random/uniform]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/uniform + +[@stdlib/random/weibull]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/weibull + [@stdlib/random/sample]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/sample [@stdlib/random/shuffle]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/shuffle diff --git a/lib/node_modules/@stdlib/random/tools/README.md b/lib/node_modules/@stdlib/random/tools/README.md index 66ee0ea317cf..90763e4e5486 100644 --- a/lib/node_modules/@stdlib/random/tools/README.md +++ b/lib/node_modules/@stdlib/random/tools/README.md @@ -57,6 +57,8 @@ The namespace exports the following: - [`binaryFactory( prng, idtypes, odtypes, policies[, options] )`][@stdlib/random/tools/binary-factory]: create a function for generating pseudorandom values drawn from a binary PRNG. - [`binary( prng, idtypes, odtypes, policies[, options] )`][@stdlib/random/tools/binary]: constructor for creating ndarrays filled with pseudorandom values drawn from a binary PRNG. +- [`ternaryFactory( prng, idtypes, odtypes, policies[, options] )`][@stdlib/random/tools/ternary-factory]: create a function for generating pseudorandom values drawn from a ternary PRNG. +- [`ternary( prng, idtypes, odtypes, policies[, options] )`][@stdlib/random/tools/ternary]: constructor for creating ndarrays filled with pseudorandom values drawn from a ternary PRNG. - [`unaryFactory( prng, idtypes, odtypes, policies[, options] )`][@stdlib/random/tools/unary-factory]: create a function for generating pseudorandom values drawn from a unary PRNG. - [`unary( prng, idtypes, odtypes, policies[, options] )`][@stdlib/random/tools/unary]: constructor for creating ndarrays filled with pseudorandom values drawn from a unary PRNG. @@ -115,6 +117,10 @@ console.log( objectKeys( ns ) ); [@stdlib/random/tools/binary]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/tools/binary +[@stdlib/random/tools/ternary-factory]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/tools/ternary-factory + +[@stdlib/random/tools/ternary]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/tools/ternary + [@stdlib/random/tools/unary-factory]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/tools/unary-factory [@stdlib/random/tools/unary]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/random/tools/unary diff --git a/lib/node_modules/@stdlib/regexp/README.md b/lib/node_modules/@stdlib/regexp/README.md index 554cbb58c70a..b745daa5a567 100644 --- a/lib/node_modules/@stdlib/regexp/README.md +++ b/lib/node_modules/@stdlib/regexp/README.md @@ -77,6 +77,8 @@ The following regular expressions are currently exported: + +
diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/README.md b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/README.md new file mode 100644 index 000000000000..c88e6f047347 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/README.md @@ -0,0 +1,231 @@ + + +# Entropy + +> [Half-normal][half-normal-distribution] distribution [differential entropy][entropy]. + + + +
+ +The [differential entropy][entropy] (in [nats][nats]) for a [half-normal][half-normal-distribution] random variable is + + + +```math +h\left( X \right) = \frac{1}{2}+\ln(\sigma)+\ln\left(\sqrt{\frac{\pi}{2}}\right)+\frac{\gamma}{2} +``` + + + +where `σ > 0` is the scale parameter. + +
+ + + + + +
+ +## Usage + +```javascript +var entropy = require( '@stdlib/stats/base/dists/halfnormal/entropy' ); +``` + +#### entropy( sigma ) + +Returns the [differential entropy][entropy] of a [half-normal][half-normal-distribution] distribution with scale `sigma` (in [nats][nats]). + +```javascript +var y = entropy( 1.0 ); +// returns ~1.014 + +y = entropy( 5.0 ); +// returns ~2.624 +``` + +If provided `sigma ≤ 0`, the function returns `NaN`. + +```javascript +var y = entropy( -1.0 ); +// returns NaN +``` + +
+ + + + + +
+ +
+ + + + + +
+ +## Examples + + + +```javascript +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var entropy = require( '@stdlib/stats/base/dists/halfnormal/entropy' ); + +var opts = { + 'dtype': 'float64' +}; +var sigma = uniform( 10, 0.1, 20.0, opts ); + +logEachMap( 'σ: %0.4f, h(X;σ): %0.4f', sigma, entropy ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/halfnormal/entropy.h" +``` + +#### stdlib_base_dists_halfnormal_entropy( sigma ) + +Returns the differential entropy of a half-normal distribution. + +```c +double out = stdlib_base_dists_halfnormal_entropy( 1.0 ); +// returns ~1.014 +``` + +The function accepts the following arguments: + +- **sigma**: `[in] double` scale parameter. + +```c +double stdlib_base_dists_halfnormal_entropy( const double sigma ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/halfnormal/entropy.h" +#include +#include + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +int main( void ) { + double sigma; + double y; + int i; + + for ( i = 0; i < 25; i++ ) { + sigma = random_uniform( 0.1, 20.0 ); + y = stdlib_base_dists_halfnormal_entropy( sigma ); + printf( "σ: %lf, h(σ): %lf\n", sigma, y ); + } +} +``` + +
+ + + +
+ + + + + +
+ +
+ + + + + +
+ +
+ + + + + +
+ +[half-normal-distribution]: https://en.wikipedia.org/wiki/Half-normal_distribution + +[entropy]: https://en.wikipedia.org/wiki/Entropy_%28information_theory%29 + +[nats]: https://en.wikipedia.org/wiki/Nat_%28unit%29 + +
+ + diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/benchmark.js new file mode 100644 index 000000000000..f1a97a0f41e7 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/benchmark.js @@ -0,0 +1,60 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var Float64Array = require( '@stdlib/array/float64' ); +var randu = require( '@stdlib/random/base/randu' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var pkg = require( './../package.json' ).name; +var entropy = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var sigma; + var len; + var y; + var i; + + len = 100; + sigma = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + sigma[ i ] = ( randu()*20.0 ) + EPS; + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = entropy( sigma[ i % len ] ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/benchmark.native.js new file mode 100644 index 000000000000..e9c7889040a8 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/benchmark.native.js @@ -0,0 +1,70 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var Float64Array = require( '@stdlib/array/float64' ); +var randu = require( '@stdlib/random/base/randu' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var entropy = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( entropy instanceof Error ) +}; + + +// MAIN // + +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { + var sigma; + var len; + var y; + var i; + + len = 100; + sigma = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + sigma[ i ] = ( randu() * 20.0 ) + EPS; + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = entropy( sigma[ i % len ] ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/c/Makefile new file mode 100644 index 000000000000..979768abbcec --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/c/benchmark.c new file mode 100644 index 000000000000..4fe8f1e2221a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/benchmark/c/benchmark.c @@ -0,0 +1,139 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/entropy.h" +#include "stdlib/constants/float64/eps.h" +#include +#include +#include +#include +#include + +#define NAME "halfnormal-entropy" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + double sigma[ 100 ]; + double y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + sigma[ i ] = random_uniform( STDLIB_CONSTANT_FLOAT64_EPS, STDLIB_CONSTANT_FLOAT64_EPS + 20.0 ); + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_dists_halfnormal_entropy( sigma[ i % 100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/repl.txt b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/repl.txt new file mode 100644 index 000000000000..d2a09d6de8df --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/repl.txt @@ -0,0 +1,27 @@ + +{{alias}}( σ ) + Returns the differential entropy of a half-normal distribution. + + If provided `NaN` as any argument, the function returns `NaN`. + + If provided `σ ≤ 0`, the function returns `NaN`. + + Parameters + ---------- + σ: number + Scale parameter. + + Returns + ------- + out: number + Entropy. + + Examples + -------- + > var v = {{alias}}( 1.0 ) + ~1.014 + > v = {{alias}}( 5.0 ) + ~2.624 + + See Also + -------- diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/types/index.d.ts new file mode 100644 index 000000000000..bdebd76e2365 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/types/index.d.ts @@ -0,0 +1,52 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/** +* Returns the differential entropy of a half-normal distribution. +* +* ## Notes +* +* - If provided `σ ≤ 0`, the function returns `NaN`. +* +* @param sigma - scale parameter +* @returns entropy +* +* @example +* var v = entropy( 1.0 ); +* // returns ~1.014 +* +* @example +* var v = entropy( 5.0 ); +* // returns ~2.624 +* +* @example +* var v = entropy( -0.2 ); +* // returns NaN +* +* @example +* var v = entropy( NaN ); +* // returns NaN +*/ +declare function entropy( sigma: number ): number; + + +// EXPORTS // + +export = entropy; diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/types/test.ts b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/types/test.ts new file mode 100644 index 000000000000..7ae527f801a9 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/docs/types/test.ts @@ -0,0 +1,44 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import entropy = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + entropy( 0.3 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a value other than a number... +{ + entropy( true ); // $ExpectError + entropy( false ); // $ExpectError + entropy( null ); // $ExpectError + entropy( undefined ); // $ExpectError + entropy( '5' ); // $ExpectError + entropy( [] ); // $ExpectError + entropy( {} ); // $ExpectError + entropy( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + entropy(); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/c/example.c new file mode 100644 index 000000000000..094c6a1f61ae --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/c/example.c @@ -0,0 +1,40 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/entropy.h" +#include +#include + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +int main( void ) { + double sigma; + double y; + int i; + + for ( i = 0; i < 25; i++ ) { + sigma = random_uniform( 0.1, 20.0 ); + y = stdlib_base_dists_halfnormal_entropy( sigma ); + printf( "σ: %lf, h(σ): %lf\n", sigma, y ); + } + + return 0; +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/index.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/index.js new file mode 100644 index 000000000000..50e0320fa7ed --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/examples/index.js @@ -0,0 +1,30 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var entropy = require( './../lib' ); + +var opts = { + 'dtype': 'float64' +}; +var sigma = uniform( 10, 0.1, 20.0, opts ); + +logEachMap( 'σ: %0.4f, h(X;σ): %0.4f', sigma, entropy ); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "statistics", + "stats", + "distribution", + "dist", + "entropy", + "information", + "shannon", + "nats", + "halfnormal", + "half-normal", + "univariate", + "continuous" + ] +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/addon.c new file mode 100644 index 000000000000..9d73b137a9f8 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/addon.c @@ -0,0 +1,22 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/entropy.h" +#include "stdlib/math/base/napi/unary.h" + +STDLIB_MATH_BASE_NAPI_MODULE_D_D( stdlib_base_dists_halfnormal_entropy ) diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/main.c new file mode 100644 index 000000000000..ae68f371478c --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/src/main.c @@ -0,0 +1,43 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/entropy.h" +#include "stdlib/math/base/assert/is_nan.h" +#include "stdlib/math/base/special/ln.h" +#include "stdlib/constants/float64/eulergamma.h" +#include "stdlib/constants/float64/sqrt_half_pi.h" + +/** +* Returns the differential entropy of a half-normal distribution. +* +* @param sigma scale parameter +* @return entropy +* +* @example +* double y = stdlib_base_dists_halfnormal_entropy( 1.0 ); +* // returns ~1.014 +*/ +double stdlib_base_dists_halfnormal_entropy( const double sigma ) { + if ( + stdlib_base_is_nan( sigma ) || + sigma <= 0.0 + ) { + return 0.0/0.0; // NaN + } + return 0.5 + stdlib_base_ln( sigma ) + stdlib_base_ln( STDLIB_CONSTANT_FLOAT64_SQRT_HALF_PI ) + ( 0.5 * STDLIB_CONSTANT_FLOAT64_EULERGAMMA ); +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/REQUIRE b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/REQUIRE new file mode 100644 index 000000000000..98be20b58ed3 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/REQUIRE @@ -0,0 +1,3 @@ +Distributions 0.23.8 +julia 1.5 +JSON 0.21 diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/data.json b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/data.json new file mode 100644 index 000000000000..8fc213512749 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/data.json @@ -0,0 +1,106 @@ +{ + "sigma": [ + 1.0000000000000000, + 2.0000000000000000, + 0.5000000000000000, + 5.0000000000000000, + 10.0000000000000000, + 0.1000000000000000, + 20.0000000000000000, + 3.0000000000000000, + 4.0000000000000000, + 6.0000000000000000, + 7.0000000000000000, + 8.0000000000000000, + 9.0000000000000000, + 15.0000000000000000, + 25.0000000000000000, + 0.2500000000000000, + 0.7500000000000000, + 1.5000000000000000, + 2.5000000000000000, + 3.5000000000000000, + 4.5000000000000000, + 5.5000000000000000, + 6.5000000000000000, + 7.5000000000000000, + 8.5000000000000000, + 9.5000000000000000, + 11.0000000000000000, + 12.0000000000000000, + 13.0000000000000000, + 14.0000000000000000, + 16.0000000000000000, + 18.0000000000000000, + 22.0000000000000000, + 30.0000000000000000, + 50.0000000000000000, + 0.2000000000000000, + 0.3000000000000000, + 0.4000000000000000, + 0.6000000000000000, + 0.8000000000000000, + 1.2000000000000000, + 1.8000000000000000, + 2.2000000000000000, + 2.8000000000000000, + 3.2000000000000000, + 3.8000000000000000, + 4.2000000000000000, + 4.8000000000000000, + 5.2000000000000000, + 6.2000000000000000 + ], + "expected": [ + 1.0143991850954936, + 1.7075463656554390, + 0.3212520045355485, + 2.6238370975295940, + 3.3169842780895396, + -1.2881859078985518, + 4.0101314586494850, + 2.1130114737636037, + 2.4006935462153844, + 2.8061586543235486, + 2.9603093341508075, + 3.0938407267753294, + 3.2116237624317130, + 3.7224493861977037, + 4.2332750099636950, + -0.3718951760243967, + 0.7267171126437131, + 1.4198642932036583, + 1.9306899169696490, + 2.2671621535908620, + 2.5184765818717680, + 2.7191472773339194, + 2.8862013619970850, + 3.0293022056377583, + 3.1544653485917650, + 3.2656909837019890, + 3.4122944578938648, + 3.4993058348834940, + 3.5793485425570304, + 3.6534565147107520, + 3.7869879073352750, + 3.9047709429916586, + 4.1054416384538110, + 4.4155965667576496, + 4.9264221905236410, + -0.5950387273386064, + -0.1895736192304422, + 0.0981084532213389, + 0.5035735613295031, + 0.7912556337812842, + 1.1967207418894485, + 1.6021858499976130, + 1.8028565454597640, + 2.0440186022766520, + 2.1775499949011747, + 2.3494002518278340, + 2.4494837103848166, + 2.5830151030093390, + 2.6630578106828753, + 2.8389484771465400 + ] +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/runner.jl new file mode 100644 index 000000000000..2320a6262272 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/julia/runner.jl @@ -0,0 +1,72 @@ +#!/usr/bin/env julia +# +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import JSON + +# Constants +GAMMA = 0.5772156649015329 +SQRT_HALF_PI = sqrt(pi / 2) + +""" + gen( sigma, name ) + +Generate fixture data and write to file. + +# Arguments + +* `sigma`: scale parameter +* `name::AbstractString`: output filename + +# Examples + +```julia +julia> sigma = rand( 1000 ); +julia> gen( sigma, "data.json" ); +``` +""" +# Get the filename: +file = @__FILE__ + +# Extract the directory in which this file resides: +dir = dirname(file) + +function gen( sigma, name ) + z = Array{Float64}( undef, length(sigma) ); + for i in eachindex(sigma) + z[i] = 0.5 + log(sigma[i]) + log(SQRT_HALF_PI) + 0.5 * GAMMA + end + + # Store data to be written to file as a collection: + data = Dict([ + ("sigma", sigma), + ("expected", z) + ]); + + # Based on the script directory, create an output filepath: + filepath = joinpath(dir, name) + + # Write the data to the output filepath as JSON: + open(filepath, "w") do outfile + write(outfile, JSON.json(data)) + write(outfile, "\n") + end +end + +# Generate fixtures: +sigma = ( rand(50) .* 20.0 ) .+ 2.0 +gen(sigma, "data.json") diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/python/data.json b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/python/data.json new file mode 100644 index 000000000000..73129263dc75 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/python/data.json @@ -0,0 +1 @@ +{"sigma": [7.3120967009357, 3.659653200812621, 10.58701717900173, 9.32792554650073, 12.183810862843236, 2.5543579596362735, 8.165999622542362, 15.106230333392332, 5.792446447273344, 19.892636759646667, 9.978625573982212, 3.942886702358013, 15.63436050981639, 16.73588926025132, 5.473366414910566, 13.672304037846299, 9.353909038902724, 7.653965528864299, 3.0976870094279056, 13.904743296764625, 17.547926720119882, 16.506769775980604, 21.255181993474885, 5.415206421087507, 3.481620498651368, 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3.2097823195509347, 3.3606407247944325, 2.5890862959635865, 2.594584023166984, 3.3785720260704366, 1.4361692390804979, 2.7572199847609133, 2.7150086198564463, 2.983189276787728, 3.410293787802145, 3.455538105240206, 3.2163955650704734, 2.4436088090957875, 2.946608174684687, 2.7084891840725347, 2.5559870479130273, 3.8049188377002703, 3.5744564265352015, 3.486007902560766, 3.7047161027066764, 3.7365373672295585, 3.5288358150972807, 2.1055185499594606, 2.2526038853379435, 2.5521499772718768, 3.3449342821254477, 3.4795656309630303, 2.6922629389952326, 2.6570772347389937, 2.5548725189786556, 2.041680590821148, 3.2377546856753328, 2.132198179930246, 3.789276667486076, 2.9140854891137415, 2.086069136365332, 3.656288661089397, 3.603662273250182, 2.6865495552279763, 3.31228757711839]} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/python/runner.py b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/python/runner.py new file mode 100644 index 000000000000..9f3ff44d3062 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/fixtures/python/runner.py @@ -0,0 +1,66 @@ +#!/usr/bin/env python +# +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Generate HalfNormal entropy fixtures.""" + +import os +import json +import numpy as np +from numpy.random import rand +from scipy.stats import halfnorm + +# Get the file path +FILE = os.path.realpath(__file__) +DIR = os.path.dirname(FILE) + + +def gen(sigma, name): + """Generate entropy fixture data and write to JSON. + + # Arguments + * `sigma`: scale parameter array + * `name::str`: output filename + + # Example + ``` python + python> sigma = rand(1000) * 10.0 + 1.0 + python> gen(sigma, './data.json') + ``` + """ + y = [] + for s in np.nditer(sigma): + y.append(halfnorm.entropy(scale=float(s))) + + data = { + "sigma": sigma.tolist(), + "expected": y + } + + filepath = os.path.join(DIR, name) + with open(filepath, "w", encoding="utf-8") as outfile: + json.dump(data, outfile) + + +def main(): + """Generate fixture data.""" + sigma = rand(1000) * 20.0 + 2.0 + gen(sigma, "data.json") + + +if __name__ == "__main__": + main() diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.js new file mode 100644 index 000000000000..8cf1b09270db --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.js @@ -0,0 +1,86 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var entropy = require( './../lib' ); + + +// FIXTURES // + +var data = require( './fixtures/julia/data.json' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof entropy, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided `NaN` for `sigma`, the function returns `NaN`', function test( t ) { + var sigma = entropy( NaN ); + t.strictEqual( isnan( sigma ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a scale `sigma` that is not a positive number, the function returns `NaN`', function test( t ) { + var sigma; + + sigma = entropy( 0.0 ); + t.strictEqual( isnan( sigma ), true, 'returns expected value' ); + + sigma = entropy( -1.0 ); + t.strictEqual( isnan( sigma ), true, 'returns expected value' ); + + sigma = entropy( NINF ); + t.strictEqual( isnan( sigma ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns the differential entropy of a half-normal distribution', function test( t ) { + var expected; + var sigma; + var delta; + var tol; + var i; + var y; + + expected = data.expected; + sigma = data.sigma; + for ( i = 0; i < expected.length; i++ ) { + y = entropy( sigma[ i ] ); + if ( y === expected[ i ] ) { + t.strictEqual( y, expected[ i ], 'sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = 40.0 * EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.native.js new file mode 100644 index 000000000000..23ea650718a1 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.native.js @@ -0,0 +1,95 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); +var EPS = require( '@stdlib/constants/float64/eps' ); + + +// VARIABLES // + +var entropy = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( entropy instanceof Error ) +}; + + +// FIXTURES // + +var data = require( './fixtures/julia/data.json' ); + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof entropy, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided `NaN` for `sigma`, the function returns `NaN`', opts, function test( t ) { + var sigma = entropy( NaN ); + t.strictEqual( isnan( sigma ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a scale `sigma` that is not a positive number, the function returns `NaN`', opts, function test( t ) { + var sigma; + + sigma = entropy( 0.0 ); + t.strictEqual( isnan( sigma ), true, 'returns expected value' ); + + sigma = entropy( -1.0 ); + t.strictEqual( isnan( sigma ), true, 'returns expected value' ); + + sigma = entropy( NINF ); + t.strictEqual( isnan( sigma ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns the differential entropy of a half-normal distribution', opts, function test( t ) { + var expected; + var sigma; + var delta; + var tol; + var i; + var y; + + expected = data.expected; + sigma = data.sigma; + for ( i = 0; i < expected.length; i++ ) { + y = entropy( sigma[ i ] ); + if ( y === expected[ i ] ) { + t.strictEqual( y, expected[ i ], 'sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = 40.0 * EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/README.md b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/README.md new file mode 100644 index 000000000000..c93a194adbd5 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/README.md @@ -0,0 +1,213 @@ + + +# Kurtosis + +> [Half-normal][half-normal-distribution] distribution [excess kurtosis][kurtosis]. + +
+ +The [excess kurtosis][kurtosis] of a [half-normal][half-normal-distribution] distribution with scale `sigma > 0` is + + + +```math +\gamma_2 = \frac{8(\pi-3)}{(\pi-2)^2} +``` + + + + + +
+ + + +
+ +## Usage + +```javascript +var kurtosis = require( '@stdlib/stats/base/dists/halfnormal/kurtosis' ); +``` + +#### kurtosis( sigma ) + +Returns the [excess kurtosis][kurtosis] of a [half-normal][half-normal-distribution] distribution with scale parameter `sigma`. + +```javascript +var x = kurtosis( 1.0 ); +// returns ~0.869 + +var y = kurtosis( 4.0 ); +// returns ~0.869 +``` + +If provided `sigma <= 0`, the function returns `NaN`. + +```javascript +var x = kurtosis( 0.0 ); +// returns NaN + +var y = kurtosis( -1.0 ); +// returns NaN +``` + +
+ + + +
+ +## Examples + + + +```javascript +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var kurtosis = require( '@stdlib/stats/base/dists/halfnormal/kurtosis' ); + +var opts = { + 'dtype': 'float64' +}; +var sigma = uniform( 10, 0.0, 20.0, opts ); + +logEachMap( 'σ: %0.4f, Kurt(X;σ): %0.4f', sigma, kurtosis ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/halfnormal/kurtosis.h" +``` + +#### stdlib_base_dists_halfnormal_kurtosis( sigma ) + +Returns the [excess kurtosis][kurtosis] of a [half-normal][half-normal-distribution] distribution with scale parameter `sigma`. + +```c +double out = stdlib_base_dists_halfnormal_kurtosis( 1.0 ); +// returns ~0.869 +``` + +The function accepts the following arguments: + +- **sigma**: `[in] double` scale parameter. + +```c +double stdlib_base_dists_halfnormal_kurtosis( const double sigma ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/halfnormal/kurtosis.h" +#include +#include + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +int main( void ) { + double sigma; + double y; + int i; + + for ( i = 0; i < 10; i++ ) { + sigma = random_uniform( 0.0, 20.0 ); + y = stdlib_base_dists_halfnormal_kurtosis( sigma ); + printf( "σ: %lf, Kurt(σ): %lf\n", sigma, y ); + } +} +``` + +
+ + + +
+ + + + + +
+ +
+ + + + + +
+ +[half-normal-distribution]: https://en.wikipedia.org/wiki/Half-normal_distribution + +[kurtosis]: https://en.wikipedia.org/wiki/Kurtosis + +
+ + diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/benchmark.js new file mode 100644 index 000000000000..107b148cf9bc --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/benchmark.js @@ -0,0 +1,59 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var Float64Array = require( '@stdlib/array/float64' ); +var uniform = require( '@stdlib/random/base/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var pkg = require( './../package.json' ).name; +var kurtosis = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var sigma; + var len; + var y; + var i; + + len = 100; + sigma = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + sigma[ i ] = uniform( EPS, 10.0 ); + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = kurtosis( sigma[ i % len ] ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/benchmark.native.js new file mode 100644 index 000000000000..a21f882b0380 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/benchmark.native.js @@ -0,0 +1,68 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var Float64Array = require( '@stdlib/array/float64' ); +var uniform = require( '@stdlib/random/base/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var kurtosis = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( kurtosis instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var sigma; + var len; + var y; + var i; + + len = 100; + sigma = new Float64Array( len ); + for ( i = 0; i < len; i++ ) { + sigma[ i ] = uniform( EPS, 10.0 ); + } + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = kurtosis( sigma[ i % len ] ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/c/Makefile new file mode 100644 index 000000000000..979768abbcec --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/c/benchmark.c new file mode 100644 index 000000000000..bcf0e12c445c --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/benchmark/c/benchmark.c @@ -0,0 +1,138 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/kurtosis.h" +#include +#include +#include +#include +#include + +#define NAME "halfnormal-kurtosis" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmark results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec / 1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double elapsed; + double sigma[ 100 ]; + double y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + sigma[ i ] = random_uniform( 0.1, 10.0 ); + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_dists_halfnormal_kurtosis( sigma[ i%100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/repl.txt b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/repl.txt new file mode 100644 index 000000000000..73eefc600d00 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/repl.txt @@ -0,0 +1,33 @@ + +{{alias}}( σ ) + Returns the excess kurtosis of a half-normal distribution with + scale parameter `σ`. + + If provided `NaN` as any argument, the function returns `NaN`. + + If provided `σ <= 0`, the function returns `NaN`. + + Parameters + ---------- + σ: number + Scale parameter. + + Returns + ------- + out: number + Excess kurtosis. + + Examples + -------- + > var y = {{alias}}( 1.0 ) + ~0.869 + > y = {{alias}}( 4.0 ) + ~0.869 + > y = {{alias}}( NaN ) + NaN + > y = {{alias}}( 0.0 ) + NaN + + See Also + -------- + diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/types/index.d.ts new file mode 100644 index 000000000000..b18a37375603 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/types/index.d.ts @@ -0,0 +1,52 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/** +* Returns the excess kurtosis for a half-normal distribution with scale parameter `sigma`. +* +* ## Notes +* +* - If provided `sigma <= 0`, the function returns `NaN`. +* +* @param sigma - scale parameter +* @returns excess kurtosis +* +* @example +* var y = kurtosis( 1.0 ); +* // returns ~0.869 +* +* @example +* var y = kurtosis( 3.0 ); +* // returns ~0.869 +* +* @example +* var y = kurtosis( NaN ); +* // returns NaN +* +* @example +* var y = kurtosis( 0.0 ); +* // returns NaN +*/ +declare function kurtosis( sigma: number ): number; + + +// EXPORTS // + +export = kurtosis; diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/types/test.ts b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/types/test.ts new file mode 100644 index 000000000000..a4e0a39d0b6e --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/docs/types/test.ts @@ -0,0 +1,42 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import kurtosis = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + kurtosis( 2 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a value other than a number... +{ + kurtosis( true ); // $ExpectError + kurtosis( false ); // $ExpectError + kurtosis( '5' ); // $ExpectError + kurtosis( [] ); // $ExpectError + kurtosis( {} ); // $ExpectError + kurtosis( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + kurtosis(); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/c/example.c new file mode 100644 index 000000000000..8dc00dcc8eaf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/c/example.c @@ -0,0 +1,38 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/kurtosis.h" +#include +#include + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +int main( void ) { + double sigma; + double y; + int i; + + for ( i = 0; i < 10; i++ ) { + sigma = random_uniform( 0.1, 20.0 ); + y = stdlib_base_dists_halfnormal_kurtosis( sigma ); + printf( "σ: %lf, Kurt(σ): %lf\n", sigma, y ); + } +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/index.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/index.js new file mode 100644 index 000000000000..0e2715bdb08d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/examples/index.js @@ -0,0 +1,30 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var kurtosis = require( './../lib' ); + +var opts = { + 'dtype': 'float64' +}; +var sigma = uniform( 10, 0.0, 20.0, opts ); + +logEachMap( 'σ: %0.4f, Kurt(X;σ): %0.4f', sigma, kurtosis ); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "statistics", + "stats", + "distribution", + "dist", + "halfnormal", + "half-normal", + "univariate", + "continuous", + "kurtosis", + "excess kurtosis" + ] +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/addon.c new file mode 100644 index 000000000000..020e4b783a07 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/addon.c @@ -0,0 +1,22 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/kurtosis.h" +#include "stdlib/math/base/napi/unary.h" + +STDLIB_MATH_BASE_NAPI_MODULE_D_D( stdlib_base_dists_halfnormal_kurtosis ) diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/main.c new file mode 100644 index 000000000000..db45006b34a1 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/src/main.c @@ -0,0 +1,42 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/kurtosis.h" +#include "stdlib/math/base/assert/is_nan.h" + +static const double KURTOSIS = 0.8691773036059736; // 8*(π-3) / (π-2)² + +/** +* Returns the excess kurtosis of a half-normal distribution with scale parameter `sigma`. +* +* @param sigma scale parameter +* @return excess kurtosis +* +* @example +* double y = stdlib_base_dists_halfnormal_kurtosis( 1.0 ); +* // returns ~0.869 +*/ +double stdlib_base_dists_halfnormal_kurtosis( const double sigma ) { + if ( + stdlib_base_is_nan( sigma ) || + sigma <= 0.0 + ) { + return 0.0 / 0.0; // NaN + } + return KURTOSIS; +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/fixtures/python/data.json b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/fixtures/python/data.json new file mode 100644 index 000000000000..d3163a6bf6b0 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/fixtures/python/data.json @@ -0,0 +1 @@ +{"sigma": [0.7302459116647342, 1.704961959568525, 4.233820319289189, 2.195888190206079, 4.869675543299393, 3.790130693695706, 4.061519802817745, 1.327292232113126, 2.9981592100860945, 2.6488562400723814], "expected": [0.8691773036059736, 0.8691773036059736, 0.8691773036059736, 0.8691773036059736, 0.8691773036059736, 0.8691773036059736, 0.8691773036059736, 0.8691773036059736, 0.8691773036059736, 0.8691773036059736]} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/fixtures/python/runner.py b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/fixtures/python/runner.py new file mode 100644 index 000000000000..2852c388f20d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/fixtures/python/runner.py @@ -0,0 +1,77 @@ +#!/usr/bin/env python +# +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Generate fixtures.""" + +import os +import json +import numpy as np +from scipy.stats import halfnorm + + +# Get the file path: +FILE = os.path.realpath(__file__) + +# Extract the directory in which this file resides: +DIR = os.path.dirname(FILE) + + +def gen(sigma, name): + """Generate fixture data and write to file. + + # Arguments + + * `sigma`: scale parameters + * `name::str`: output filename + + # Examples + + ``` python + python> sigma = np.random.rand(10) * 5.0 + python> gen(sigma, "data.json") + ``` + """ + y = np.empty(len(sigma), dtype=float) + + for i, s in enumerate(sigma): + # SciPy returns excess kurtosis + y[i] = halfnorm.stats(scale=s, moments="k") + + # Store data to be written to file as a dictionary: + data = { + "sigma": sigma.tolist(), + "expected": y.tolist() + } + + # Based on the script directory, create an output filepath: + filepath = os.path.join(DIR, name) + + # Write the data to the output filepath as JSON: + with open(filepath, "w", encoding="utf-8") as outfile: + json.dump(data, outfile) + outfile.write("\n") + + +def main(): + """Generate fixture data.""" + sigma = np.random.rand(10) * 5.0 + gen(sigma, "data.json") + + +if __name__ == "__main__": + main() diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/test.js new file mode 100644 index 000000000000..97083800ca60 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/test.js @@ -0,0 +1,86 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); +var kurtosis = require( './../lib' ); + + +// FIXTURES // + +var data = require( './fixtures/python/data.json' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof kurtosis, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided `NaN` for `sigma`, the function returns `NaN`', function test( t ) { + var y = kurtosis( NaN ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided `sigma <= 0`, the function returns `NaN`', function test( t ) { + var y; + + y = kurtosis( 0.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = kurtosis( -1.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = kurtosis( NINF ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns the excess kurtosis', function test( t ) { + var expected; + var sigma; + var delta; + var tol; + var y; + var i; + + expected = data.expected; + sigma = data.sigma; + for ( i = 0; i < sigma.length; i++ ) { + y = kurtosis( sigma[i] ); + if ( y === expected[i] ) { + t.equal( y, expected[i], 'sigma: '+sigma[i]+'. E: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = 1.0 * EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/test.native.js new file mode 100644 index 000000000000..ddff868996a6 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/kurtosis/test/test.native.js @@ -0,0 +1,97 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var abs = require( '@stdlib/math/base/special/abs' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); +var EPS = require( '@stdlib/constants/float64/eps' ); + + +// FIXTURES // + +var data = require( './fixtures/python/data.json' ); + + +// VARIABLES // + +var kurtosis = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( kurtosis instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof kurtosis, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided `NaN`, the function returns `NaN`', opts, function test( t ) { + var y = kurtosis( NaN ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', opts, function test( t ) { + var y; + + y = kurtosis( 0.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = kurtosis( -1.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = kurtosis( NINF ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns the excess kurtosis of a half-normal distribution', opts, function test( t ) { + var expected; + var delta; + var sigma; + var tol; + var y; + var i; + + expected = data.expected; + sigma = data.sigma; + for ( i = 0; i < sigma.length; i++ ) { + y = kurtosis( sigma[i] ); + if ( expected[i] !== null ) { + if ( y === expected[i] ) { + t.strictEqual( y, expected[i], 'sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] ); + } else { + delta = abs( y - expected[ i ] ); + tol = 1.0 * EPS * abs( expected[ i ] ); + t.ok( delta <= tol, 'within tolerance. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' ); + } + } + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/README.md b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/README.md new file mode 100644 index 000000000000..fcef5d8202d2 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/README.md @@ -0,0 +1,234 @@ + + +# Mode + +> [half-normal][half-normal-distribution] distribution [mode][mode]. + + + +
+ +The [mode][mode] for a [half-normal][half-normal-distribution] random variable with scale parameter `σ > 0` is + + + +```math +\mathop{\mathrm{mode}}\left( X \right) = 0 +``` + + + + + +
+ + + + + +
+ +## Usage + +```javascript +var mode = require( '@stdlib/stats/base/dists/halfnormal/mode' ); +``` + +#### mode( sigma ) + +Returns the [mode][mode] for a [half-normal][half-normal-distribution] distribution with scale parameter `sigma`. + +```javascript +var y = mode( 1.0 ); +// returns 0.0 + +y = mode( 2.0 ); +// returns 0.0 +``` + +If provided `NaN` as any argument, the function returns `NaN`. + +```javascript +var y = mode( NaN ); +// returns NaN +``` + +If provided `sigma <= 0`, the function returns `NaN`. + +```javascript +var y = mode( 0.0 ); +// returns NaN + +y = mode( -1.0 ); +// returns NaN +``` + +
+ + + + + +
+ +
+ + + + + +
+ +## Examples + + + +```javascript +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var mode = require( '@stdlib/stats/base/dists/halfnormal/mode' ); + +var opts = { + 'dtype': 'float64' +}; +var sigma = uniform( 10, 0.0, 20.0, opts ); + +logEachMap( 'σ: %0.4f, mode(X;σ): %0.4f', sigma, mode ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/dists/halfnormal/mode.h" +``` + +#### stdlib_base_dists_halfnormal_mode( sigma ) + +Returns the mode for a [half-normal][half-normal-distribution] distribution with scale parameter `sigma`. + +```c +double out = stdlib_base_dists_halfnormal_mode( 1.0 ); +// returns 0.0 +``` + +The function accepts the following arguments: + +- **sigma**: `[in] double` scale parameter. + +```c +double stdlib_base_dists_halfnormal_mode( const double sigma ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/dists/halfnormal/mode.h" +#include +#include + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +int main( void ) { + double sigma; + double y; + int i; + + for ( i = 0; i < 10; i++ ) { + sigma = random_uniform( 0.1, 20.0 ); + y = stdlib_base_dists_halfnormal_mode( sigma ); + printf( "σ: %lf, mode(X;σ): %lf\n", sigma, y ); + } +} +``` + +
+ + + +
+ + + + + +
+ +
+ + + + + +
+ +[half-normal-distribution]: https://en.wikipedia.org/wiki/Half-normal_distribution + +[mode]: https://en.wikipedia.org/wiki/Mode_%28statistics%29 + +
+ + diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/benchmark.js new file mode 100644 index 000000000000..5a46bc0b6b3e --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/benchmark.js @@ -0,0 +1,55 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var pkg = require( './../package.json' ).name; +var mode = require( './../lib' ); + + +// MAIN // + +bench( pkg, function benchmark( b ) { + var sigma; + var len; + var y; + var i; + + len = 100; + sigma = uniform( len, EPS, 20.0 ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = mode( sigma[ i % len ] ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/benchmark.native.js new file mode 100644 index 000000000000..f66312bd0d86 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/benchmark.native.js @@ -0,0 +1,64 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var mode = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( mode instanceof Error ) +}; + + +// MAIN // + +bench( pkg+'::native', opts, function benchmark( b ) { + var sigma; + var len; + var y; + var i; + + len = 100; + sigma = uniform( len, EPS, 20.0 ); + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + y = mode( sigma[ i % len ] ); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( y ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/c/Makefile new file mode 100644 index 000000000000..979768abbcec --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/c/benchmark.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/c/benchmark.c new file mode 100644 index 000000000000..6aa32c0855a4 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/benchmark/c/benchmark.c @@ -0,0 +1,138 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/mode.h" +#include +#include +#include +#include +#include + +#define NAME "halfnormal-mode" +#define ITERATIONS 1000000 +#define REPEATS 3 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param elapsed elapsed time in seconds +*/ +static void print_results( double elapsed ) { + double rate = (double)ITERATIONS / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", ITERATIONS ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [min,max). +* +* @param min minimum value (inclusive) +* @param max maximum value (exclusive) +* @return random number +*/ +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +/** +* Runs a benchmark. +* +* @return elapsed time in seconds +*/ +static double benchmark( void ) { + double sigma[ 100 ]; + double elapsed; + double y; + double t; + int i; + + for ( i = 0; i < 100; i++ ) { + sigma[ i ] = random_uniform( 0.1, 10.0 ); + } + + t = tic(); + for ( i = 0; i < ITERATIONS; i++ ) { + y = stdlib_base_dists_halfnormal_mode( sigma[ i%100 ] ); + if ( y != y ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( y != y ) { + printf( "should not return NaN\n" ); + } + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int i; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + for ( i = 0; i < REPEATS; i++ ) { + printf( "# c::%s\n", NAME ); + elapsed = benchmark(); + print_results( elapsed ); + printf( "ok %d benchmark finished\n", i+1 ); + } + print_summary( REPEATS, REPEATS ); +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/binding.gyp b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/repl.txt b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/repl.txt new file mode 100644 index 000000000000..fd7fb6dd91bb --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/repl.txt @@ -0,0 +1,32 @@ + +{{alias}}( σ ) + Returns the mode of a half-normal distribution with scale parameter `σ`. + + If provided `NaN` as any argument, the function returns `NaN`. + + If provided `σ <= 0`, the function returns `NaN`. + + Parameters + ---------- + σ: number + Scale parameter. + + Returns + ------- + out: number + Mode. + + Examples + -------- + > var y = {{alias}}( 1.0 ) + 0.0 + > y = {{alias}}( 2.0 ) + 0.0 + > y = {{alias}}( NaN ) + NaN + > y = {{alias}}( 0.0 ) + NaN + + See Also + -------- + diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/types/index.d.ts new file mode 100644 index 000000000000..5bf3a9ef9496 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/types/index.d.ts @@ -0,0 +1,52 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/** +* Returns the mode for a half-normal distribution with scale parameter `sigma`. +* +* ## Notes +* +* - If provided `sigma <= 0`, the function returns `NaN`. +* +* @param sigma - scale parameter +* @returns mode +* +* @example +* var y = mode( 1.0 ); +* // returns 0.0 +* +* @example +* var y = mode( 2.0 ); +* // returns 0.0 +* +* @example +* var y = mode( NaN ); +* // returns NaN +* +* @example +* var y = mode( 0.0 ); +* // returns NaN +*/ +declare function mode( sigma: number ): number; + + +// EXPORTS // + +export = mode; diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/types/test.ts b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/types/test.ts new file mode 100644 index 000000000000..7884c1001788 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/docs/types/test.ts @@ -0,0 +1,42 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import mode = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + mode( 2 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a value other than a number... +{ + mode( true ); // $ExpectError + mode( false ); // $ExpectError + mode( '5' ); // $ExpectError + mode( [] ); // $ExpectError + mode( {} ); // $ExpectError + mode( ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided insufficient arguments... +{ + mode(); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/c/example.c new file mode 100644 index 000000000000..22ab1766f9c9 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/c/example.c @@ -0,0 +1,38 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/mode.h" +#include +#include + +static double random_uniform( const double min, const double max ) { + double v = (double)rand() / ( (double)RAND_MAX + 1.0 ); + return min + ( v*(max-min) ); +} + +int main( void ) { + double sigma; + double y; + int i; + + for ( i = 0; i < 10; i++ ) { + sigma = random_uniform( 0.1, 20.0 ); + y = stdlib_base_dists_halfnormal_mode( sigma ); + printf( "σ: %lf, mode(X;σ): %lf\n", sigma, y ); + } +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/index.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/index.js new file mode 100644 index 000000000000..218fb6a12171 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/examples/index.js @@ -0,0 +1,30 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var uniform = require( '@stdlib/random/array/uniform' ); +var logEachMap = require( '@stdlib/console/log-each-map' ); +var mode = require( './../lib' ); + +var opts = { + 'dtype': 'float64' +}; +var sigma = uniform( 10, 0.0, 20.0, opts ); + +logEachMap( 'σ: %0.4f, mode(X;σ): %0.4f', sigma, mode ); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/include.gypi b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "statistics", + "stats", + "distribution", + "dist", + "gaussian", + "half", + "continuous", + "mode", + "location", + "center", + "univariate" + ] +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/Makefile b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/addon.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/addon.c new file mode 100644 index 000000000000..6477404072ef --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/addon.c @@ -0,0 +1,22 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/mode.h" +#include "stdlib/math/base/napi/unary.h" + +STDLIB_MATH_BASE_NAPI_MODULE_D_D( stdlib_base_dists_halfnormal_mode ) diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/main.c b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/main.c new file mode 100644 index 000000000000..6246f857db06 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/src/main.c @@ -0,0 +1,40 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/base/dists/halfnormal/mode.h" +#include "stdlib/math/base/assert/is_nan.h" + +/** +* Returns the mode for a half-normal distribution with scale parameter `sigma`. +* +* @param sigma scale parameter +* @return mode +* +* @example +* double y = stdlib_base_dists_halfnormal_mode( 1.0 ); +* // returns 0.0 +*/ +double stdlib_base_dists_halfnormal_mode( const double sigma ) { + if ( + stdlib_base_is_nan( sigma ) || + sigma <= 0.0 + ) { + return 0.0/0.0; // NaN + } + return 0.0; +} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/REQUIRE b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/REQUIRE new file mode 100644 index 000000000000..98be20b58ed3 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/REQUIRE @@ -0,0 +1,3 @@ +Distributions 0.23.8 +julia 1.5 +JSON 0.21 diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/data.json b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/data.json new file mode 100644 index 000000000000..b1da895af85a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/data.json @@ -0,0 +1 @@ +{"sigma": [0.283070975834554,4.305413177082622,3.616407262186885,4.534922878195369,2.692866865070729,2.831553282859205,0.38578607506897233,2.783285418040582,0.627785309590031,0.4058523817119841,2.841587211342962,3.614219741987088,4.81735416227758,1.8235569405805085,2.738749662789602,3.7452429786291974,1.9398258174017402,1.0925579826001086,3.280559180720959,0.4051804754931698,4.087353808040119,3.3112573877933347,0.29242080985489416,1.8901807804017146,3.740733002393891,4.364616729916133,4.35693631263498,1.457946390272401,0.07130502518596149,0.9742622056393468,1.9375721649636213,1.8725333626248475,2.1313736336655307,0.8959500042524515,4.004873594697738,4.122876887090675,1.1328096872729676,2.328758869781452,4.8381540382609955,4.630672082315971,4.972814042439111,1.8740111149928251,4.267421695992756,1.3039347323150596,3.5292803368477124,1.4522573869930133,3.963005920611724,3.119387045369825,4.782883625481235,0.18284703653251522,4.7964886915295715,2.2570835571679995,0.218721842167654,3.169134410136146,3.7346284832303454,3.927496417927693,2.7809294707223167,1.2670594483079989,0.7825202067495718,3.310900431788756, 4.67177411521046,1.2425880597889227,3.70632841713138,3.535276110148348,1.4948139313930842,4.348431429358511,3.5025992903620984,1.697174566705969,4.926817337373382,3.3072861995436953,4.224254042659224,2.048095223783055,4.845789431772384,3.261468260960485,2.769254526813408,0.43239956569375626,0.6976220404955547,4.264805955566499,1.0809272189550412,4.8235958282148585,4.5778336624017255,4.820262830852315,4.4241649313021565,1.6164576207436376,0.3946254882104139,2.5051741401819925,4.958576405939467,2.663145897525454,1.5975048668171732,1.2386657639882126,4.449129989800386,3.666707893728385,0.053642590136536716,4.400420102744763,0.6707984604313066,2.513781198746364,0.20681959341021905,4.887730099768951,3.718392429631142,4.284160629159532],"expected": [0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0]} diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/runner.jl b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/runner.jl new file mode 100644 index 000000000000..71316b6ab591 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/fixtures/julia/runner.jl @@ -0,0 +1,55 @@ +#!/usr/bin/env julia +# +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import JSON + +""" + gen( sigma, name ) + +Generate fixture data for the mode of a half-normal distribution and write to file. + +# Arguments + +* `sigma::AbstractVector{<:Real}`: scale parameter (σ > 0) +* `name::AbstractString`: output filename +""" +function gen(sigma, name) + expected = Array{Float64}(undef, length(sigma)) + + for i in eachindex(sigma) + if sigma[i] > 0.0 + expected[i] = 0.0 + else + expected[i] = NaN + end + end + + data = Dict( + "sigma" => sigma, + "expected" => expected + ) + + open(name, "w") do io + write(io, JSON.json(data)) + write(io, "\n") + end +end + +# Generate fixtures: +sigma = rand( 100 ) .* 5.0; +gen( sigma, "data.json" ); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/test.js new file mode 100644 index 000000000000..df69dff40fc3 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/test.js @@ -0,0 +1,77 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); +var mode = require( './../lib' ); + + +// FIXTURES // + +var data = require( './fixtures/julia/data.json' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof mode, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided `NaN` for any parameter, the function returns `NaN`', function test( t ) { + var y = mode( NaN ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', function test( t ) { + var y; + + y = mode( 0.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = mode( -1.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = mode( NINF ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns the mode of a half-normal distribution', function test( t ) { + var expected; + var sigma; + var y; + var i; + + expected = data.expected; + sigma = data.sigma; + + for ( i = 0; i < sigma.length; i++ ) { + y = mode( sigma[i] ); + t.strictEqual( y, expected[i], 'sigma: '+sigma[i] ); + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/test.native.js new file mode 100644 index 000000000000..199204e89be6 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/mode/test/test.native.js @@ -0,0 +1,85 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var isnan = require( '@stdlib/math/base/assert/is-nan' ); +var NINF = require( '@stdlib/constants/float64/ninf' ); + + +// FIXTURES // + +var data = require( './fixtures/julia/data.json' ); + + +// VARIABLES // + +var mode = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( mode instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof mode, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'if provided `NaN`, the function returns `NaN`', opts, function test( t ) { + var y = mode( NaN ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a nonpositive `sigma`, the function returns `NaN`', opts, function test( t ) { + var y; + + y = mode( 0.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = mode( -1.0 ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + y = mode( NINF ); + t.strictEqual( isnan( y ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function returns the mode of a half-normal distribution', opts, function test( t ) { + var expected; + var sigma; + var y; + var i; + + expected = data.expected; + sigma = data.sigma; + for ( i = 0; i < sigma.length; i++ ) { + y = mode( sigma[i] ); + t.strictEqual( y, expected[i], 'sigma: '+sigma[i] ); + } + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/cdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/cdf/benchmark/benchmark.js index 9d5c93627aaf..25b255118a43 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/cdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/cdf/benchmark/benchmark.js @@ -21,10 +21,10 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var cdf = require( './../lib' ); @@ -33,22 +33,20 @@ var cdf = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var x; var y; var i; - len = 100; - x = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = uniform( -100.0, 100.0 ); - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -100.0, 100.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = cdf( x[ i % len ], sigma[ i % len ] ); + y = cdf( x[ i % x.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } @@ -61,25 +59,25 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s:factory', pkg ), function benchmark( b ) { var sigma; var mycdf; - var len; + var opts; var x; var y; var i; sigma = 4.0; mycdf = cdf.factory( sigma ); - len = 100; - x = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = uniform( -25.0, 25.0 ); - } + + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -25.0, 25.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = mycdf( x[ i % len ] ); + y = mycdf( x[ i % x.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/cdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/cdf/benchmark/benchmark.native.js index 0859a2dc6701..466e50e91588 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/cdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/cdf/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,24 +40,22 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var x; var y; var i; - len = 100; - x = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = ( randu() * 100.0 ) - 100.0; - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -100.0, 100.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = cdf( x[ i % len ], sigma[ i % len ] ); + y = cdf( x[ i % x.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/entropy/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/entropy/benchmark/benchmark.js index f25af4b32945..04318c74b7f8 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/entropy/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/entropy/benchmark/benchmark.js @@ -21,8 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -33,19 +32,18 @@ var entropy = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu()*20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = entropy( sigma[ i % len ] ); + y = entropy( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/entropy/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/entropy/benchmark/benchmark.native.js index 611e1fc50980..181b701c8545 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/entropy/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/entropy/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,21 +40,20 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = entropy( sigma[ i % len ] ); + y = entropy( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/kurtosis/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/kurtosis/benchmark/benchmark.js index e02bc866235e..7a6805071714 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/kurtosis/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/kurtosis/benchmark/benchmark.js @@ -21,8 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -33,19 +32,18 @@ var kurtosis = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = kurtosis( sigma[ i % len ] ); + y = kurtosis( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/kurtosis/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/kurtosis/benchmark/benchmark.native.js index 4f998bc2d279..d8555c085291 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/kurtosis/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/kurtosis/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var EPS = require( '@stdlib/constants/float64/eps' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,21 +40,20 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = kurtosis( sigma[ i % len ] ); + y = kurtosis( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logcdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logcdf/benchmark/benchmark.js index 063795260984..653d85d8ab7c 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logcdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logcdf/benchmark/benchmark.js @@ -21,10 +21,10 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var logcdf = require( './../lib' ); @@ -33,22 +33,20 @@ var logcdf = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var x; var y; var i; - len = 100; - x = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = ( randu() * 100.0 ) - 100.0; - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -100.0, 100.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = logcdf( x[ i % len ], sigma[ i % len ] ); + y = logcdf( x[ i % x.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } @@ -61,9 +59,10 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s:factory', pkg ), function benchmark( b ) { var mylogcdf; var sigma; + var opts; var x; var y; var i; @@ -71,10 +70,14 @@ bench( pkg+':factory', function benchmark( b ) { sigma = 4.0; mylogcdf = logcdf.factory( sigma ); + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -25.0, 25.0, opts ); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*50.0 ) - 25.0; - y = mylogcdf( x ); + y = mylogcdf( x[ i % x.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logcdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logcdf/benchmark/benchmark.native.js index 827afeea3c08..a224a07f1960 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logcdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logcdf/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var EPS = require( '@stdlib/constants/float64/eps' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,24 +40,22 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var x; var y; var i; - len = 100; - x = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = ( randu() * 100.0 ) - 100.0; - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -100.0, 100.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = logcdf( x[ i % len ], sigma[ i % len ] ); + y = logcdf( x[ i % x.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logpdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logpdf/benchmark/benchmark.js index a243f4dc00ac..dc7226f4faaa 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logpdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logpdf/benchmark/benchmark.js @@ -21,10 +21,10 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var logpdf = require( './../lib' ); @@ -33,21 +33,20 @@ var logpdf = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var x; var y; var i; - len = 100; + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, 0.0, 100.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); + b.tic(); - x = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = randu() * 100.0; - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } for ( i = 0; i < b.iterations; i++ ) { - y = logpdf( x[ i % len ], sigma[ i % len ] ); + y = logpdf( x[ i % x.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } @@ -60,9 +59,10 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s:factory', pkg ), function benchmark( b ) { var mylogpdf; var sigma; + var opts; var x; var y; var i; @@ -70,10 +70,14 @@ bench( pkg+':factory', function benchmark( b ) { sigma = 4.0; mylogpdf = logpdf.factory( sigma ); + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -25.0, 25.0, opts ); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*50.0 ) - 25.0; - y = mylogpdf( x ); + y = mylogpdf( x[ i % x.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logpdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logpdf/benchmark/benchmark.native.js index b499342fb756..3c26f352f988 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logpdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/logpdf/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var EPS = require( '@stdlib/constants/float64/eps' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,23 +40,22 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var x; var y; var i; - len = 100; + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, 0.0, 100.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); + b.tic(); - x = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = randu() * 100.0; - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } for ( i = 0; i < b.iterations; i++ ) { - y = logpdf( x[ i % len ], sigma[ i % len ] ); + y = logpdf( x[ i % x.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mean/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mean/benchmark/benchmark.js index daa2a6d14286..7f4650a96e4c 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mean/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mean/benchmark/benchmark.js @@ -21,8 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -33,19 +32,18 @@ var mean = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = mean( sigma[ i % len ] ); + y = mean( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mean/benchmark/benchmark.native.js index 7789b7afe1e7..e85dab2a2032 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mean/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mean/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); var tryRequire = require( '@stdlib/utils/try-require' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,21 +40,20 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = mean( sigma[ i % len ] ); + y = mean( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/median/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/median/benchmark/benchmark.js index 49af404e2d80..1ffbb9cc2453 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/median/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/median/benchmark/benchmark.js @@ -21,8 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -33,19 +32,18 @@ var median = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = median( sigma[ i % len ] ); + y = median( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/median/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/median/benchmark/benchmark.native.js index b65c5add32cd..0199b6a72707 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/median/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/median/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); var tryRequire = require( '@stdlib/utils/try-require' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,21 +40,20 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = median( sigma[ i % len ] ); + y = median( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mgf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mgf/benchmark/benchmark.js index 10c4c15dd380..02b42192d1d6 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mgf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mgf/benchmark/benchmark.js @@ -21,10 +21,10 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var mgf = require( './../lib' ); @@ -33,22 +33,20 @@ var mgf = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var t; var y; var i; - len = 100; - sigma = new Float64Array( len ); - t = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - t[ i ] = uniform( 0.0, 1.0 ); - sigma[ i ] = uniform( EPS, 5.0 ); - } + opts = { + 'dtype': 'float64' + }; + t = uniform( 100, 0.0, 1.0, opts ); + sigma = uniform( 100, EPS, 5.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = mgf( t[ i % len ], sigma[ i % len ] ); + y = mgf( t[ i % t.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } @@ -61,9 +59,10 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s:factory', pkg ), function benchmark( b ) { var sigma; var mymgf; + var opts; var x; var y; var i; @@ -71,10 +70,14 @@ bench( pkg+':factory', function benchmark( b ) { sigma = 4.0; mymgf = mgf.factory( sigma ); + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -2.5, 2.5, opts ); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = uniform( -2.5, 2.5 ); - y = mymgf( x ); + y = mymgf( x[ i % x.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mgf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mgf/benchmark/benchmark.native.js index 21a3645489c1..a6437d1b8cd4 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mgf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mgf/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); -var EPS = require( '@stdlib/constants/float64/eps' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,24 +40,22 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var t; var y; var i; - len = 100; - sigma = new Float64Array( len ); - t = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - t[ i ] = uniform( 0.0, 1.0 ); - sigma[ i ] = uniform( EPS, 5.0 ); - } + opts = { + 'dtype': 'float64' + }; + t = uniform( 100, 0.0, 1.0, opts ); + sigma = uniform( 100, EPS, 5.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = mgf( t[ i % len ], sigma[ i % len ] ); + y = mgf( t[ i % t.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mode/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mode/benchmark/benchmark.js index 662da1cfaba8..b3800813b882 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mode/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mode/benchmark/benchmark.js @@ -21,8 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -33,19 +32,18 @@ var mode = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = mode( sigma[ i % len ] ); + y = mode( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mode/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mode/benchmark/benchmark.native.js index cba0f475edee..9ce240d82705 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mode/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/mode/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); var tryRequire = require( '@stdlib/utils/try-require' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,21 +40,20 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = mode( sigma[ i % len ] ); + y = mode( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/pdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/pdf/benchmark/benchmark.js index eaf0c1149754..ae93f7fbc560 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/pdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/pdf/benchmark/benchmark.js @@ -21,10 +21,10 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var pdf = require( './../lib' ); @@ -33,22 +33,20 @@ var pdf = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var x; var y; var i; - len = 100; - x = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = ( randu() * 100.0 ) - 100; - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -100.0, 100.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = pdf( x[ i % len ], sigma[ i % len ] ); + y = pdf( x[ i % x.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } @@ -61,9 +59,10 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s:factory', pkg ), function benchmark( b ) { var sigma; var mypdf; + var opts; var x; var y; var i; @@ -71,10 +70,14 @@ bench( pkg+':factory', function benchmark( b ) { sigma = 4.0; mypdf = pdf.factory( sigma ); + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -25.0, 25.0, opts ); + b.tic(); for ( i = 0; i < b.iterations; i++ ) { - x = ( randu()*50.0 ) - 25.0; - y = mypdf( x ); + y = mypdf( x[ i % x.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/pdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/pdf/benchmark/benchmark.native.js index bf018010b6ed..31109b86db25 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/pdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/pdf/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var EPS = require( '@stdlib/constants/float64/eps' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,24 +40,22 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var x; var y; var i; - len = 100; - x = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - x[ i ] = ( randu() * 100.0 ) - 100; - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + x = uniform( 100, -100.0, 100.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = pdf( x[ i % len ], sigma[ i % len ] ); + y = pdf( x[ i % x.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/quantile/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/quantile/benchmark/benchmark.js index 8a680d61a68e..c00e575db260 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/quantile/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/quantile/benchmark/benchmark.js @@ -21,10 +21,10 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var quantile = require( './../lib' ); @@ -33,22 +33,20 @@ var quantile = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var p; var y; var i; - len = 100; - p = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - p[ i ] = uniform( 0.0, 1.0 ); - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + p = uniform( 100, 0.0, 1.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = quantile( p[ i % len ], sigma[ i % len ] ); + y = quantile( p[ i % p.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } @@ -61,9 +59,10 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s:factory', pkg ), function benchmark( b ) { var myquantile; var sigma; + var opts; var p; var y; var i; @@ -71,10 +70,10 @@ bench( pkg+':factory', function benchmark( b ) { sigma = 4.0; myquantile = quantile.factory( sigma ); - p = new Float64Array( 100 ); - for ( i = 0; i < 100; i++ ) { - p[ i ] = uniform( 0.0, 1.0 ); - } + opts = { + 'dtype': 'float64' + }; + p = uniform( 100, 0.0, 1.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/quantile/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/quantile/benchmark/benchmark.native.js index 6d75dc88cd3e..495fcf7da54c 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/quantile/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/quantile/benchmark/benchmark.native.js @@ -22,9 +22,8 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); var tryRequire = require( '@stdlib/utils/try-require' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -42,22 +41,20 @@ var opts = { bench( pkg, opts, function benchmark( b ) { var sigma; - var len; + var opts; var p; var y; var i; - len = 100; - p = new Float64Array( len ); - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - p[ i ] = uniform( 0.0, 1.0 ); - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + p = uniform( 100, 0.0, 1.0, opts ); + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = quantile( p[ i % len ], sigma[ i % len ] ); + y = quantile( p[ i % p.length ], sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/skewness/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/skewness/benchmark/benchmark.js index 50dc1ef70515..a04cf11a37ac 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/skewness/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/skewness/benchmark/benchmark.js @@ -21,8 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -33,19 +32,18 @@ var skewness = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = skewness( sigma[ i % len ] ); + y = skewness( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/skewness/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/skewness/benchmark/benchmark.native.js index c690c4e6ab57..dd665beb112f 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/skewness/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/skewness/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); -var EPS = require( '@stdlib/constants/float64/eps' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var tryRequire = require( '@stdlib/utils/try-require' ); +var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,21 +40,20 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = skewness( sigma[ i % len ] ); + y = skewness( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/stdev/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/stdev/benchmark/benchmark.js index 2182be49e884..243c8c302006 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/stdev/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/stdev/benchmark/benchmark.js @@ -21,8 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -33,19 +32,18 @@ var stdev = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = stdev( sigma[ i % len ] ); + y = stdev( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/stdev/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/stdev/benchmark/benchmark.native.js index ec2098d19251..1bcd62aa023a 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/stdev/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/stdev/benchmark/benchmark.native.js @@ -23,8 +23,7 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var uniform = require( '@stdlib/random/base/uniform' ); +var uniform = require( '@stdlib/random/array/uniform' ); var EPS = require( '@stdlib/constants/float64/eps' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var tryRequire = require( '@stdlib/utils/try-require' ); @@ -44,19 +43,18 @@ var opts = { bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = uniform( EPS, 20.0 ); - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = stdev( sigma[ i % len ] ); + y = stdev( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/variance/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/variance/benchmark/benchmark.js index c3633afb7b23..77071afda9ed 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/variance/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/variance/benchmark/benchmark.js @@ -21,8 +21,7 @@ // MODULES // var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); var pkg = require( './../package.json' ).name; @@ -33,19 +32,18 @@ var variance = require( './../lib' ); bench( pkg, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = variance( sigma[ i % len ] ); + y = variance( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/variance/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/variance/benchmark/benchmark.native.js index 4b1fe3f3a25e..1e5b063dc729 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/rayleigh/variance/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/rayleigh/variance/benchmark/benchmark.native.js @@ -22,11 +22,11 @@ var resolve = require( 'path' ).resolve; var bench = require( '@stdlib/bench' ); -var Float64Array = require( '@stdlib/array/float64' ); var tryRequire = require( '@stdlib/utils/try-require' ); -var randu = require( '@stdlib/random/base/randu' ); +var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; @@ -40,21 +40,20 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var sigma; - var len; + var opts; var y; var i; - len = 100; - sigma = new Float64Array( len ); - for ( i = 0; i < len; i++ ) { - sigma[ i ] = ( randu() * 20.0 ) + EPS; - } + opts = { + 'dtype': 'float64' + }; + sigma = uniform( 100, EPS, 20.0, opts ); b.tic(); for ( i = 0; i < b.iterations; i++ ) { - y = variance( sigma[ i % len ] ); + y = variance( sigma[ i % sigma.length ] ); if ( isnan( y ) ) { b.fail( 'should not return NaN' ); } diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/README.md b/lib/node_modules/@stdlib/stats/strided/srangeabs/README.md new file mode 100644 index 000000000000..95934919c2c7 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/README.md @@ -0,0 +1,291 @@ + + +# srangeabs + +> Calculate the [range][range] of absolute values of a single-precision floating-point strided array. + +
+ +The [**range**][range] is defined as the difference between the maximum and minimum values. + +
+ + + +
+ +## Usage + +```javascript +var srangeabs = require( '@stdlib/stats/strided/srangeabs' ); +``` + +#### srangeabs( N, x, strideX ) + +Computes the [range][range] of absolute values of a single-precision floating-point strided array `x`. + +```javascript +var Float32Array = require( '@stdlib/array/float32' ); + +var x = new Float32Array( [ 1.0, -2.0, 2.0 ] ); + +var v = srangeabs( x.length, x, 1 ); +// returns 1.0 +``` + +The function has the following parameters: + +- **N**: number of indexed elements. +- **x**: input [`Float32Array`][@stdlib/array/float32]. +- **strideX**: index increment for `x`. + +The `N` and stride parameters determine which elements in the strided array are accessed at runtime. For example, to compute the [range][range] of absolute values of every other element in `x`, + +```javascript +var Float32Array = require( '@stdlib/array/float32' ); + +var x = new Float32Array( [ 1.0, 2.0, 2.0, -7.0, -2.0, 3.0, 4.0, 2.0 ] ); + +var v = srangeabs( 4, x, 2 ); +// returns 3.0 +``` + +Note that indexing is relative to the first index. To introduce an offset, use [`typed array`][mdn-typed-array] views. + + + +```javascript +var Float32Array = require( '@stdlib/array/float32' ); + +var x0 = new Float32Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] ); +var x1 = new Float32Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element + +var v = srangeabs( 4, x1, 2 ); +// returns 3.0 +``` + +#### srangeabs.ndarray( N, x, strideX, offsetX ) + +Computes the [range][range] of absolute values of a single-precision floating-point strided array using alternative indexing semantics. + +```javascript +var Float32Array = require( '@stdlib/array/float32' ); + +var x = new Float32Array( [ 1.0, -2.0, 2.0 ] ); + +var v = srangeabs.ndarray( x.length, x, 1, 0 ); +// returns 1.0 +``` + +The function has the following additional parameters: + +- **offsetX**: starting index for `x`. + +While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying buffer, the offset parameter supports indexing semantics based on a starting index. For example, to calculate the [range][range] of absolute values for every other element in `x` starting from the second element + +```javascript +var Float32Array = require( '@stdlib/array/float32' ); + +var x = new Float32Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] ); + +var v = srangeabs.ndarray( 4, x, 2, 1 ); +// returns 3.0 +``` + +
+ + + +
+ +## Notes + +- If `N <= 0`, both functions return `NaN`. + +
+ + + +
+ +## Examples + + + +```javascript +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var srangeabs = require( '@stdlib/stats/strided/srangeabs' ); + +var x = discreteUniform( 10, -50, 50, { + 'dtype': 'float32' +}); +console.log( x ); + +var v = srangeabs( x.length, x, 1 ); +console.log( v ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/strided/srangeabs.h" +``` + +#### stdlib_strided_srangeabs( N, \*X, strideX ) + +Computes the [range][range] of absolute values of a single-precision floating-point strided array `x`. + +```c +const float x[] = { 1.0f, -2.0f, 3.0f, -4.0f }; + +float v = stdlib_strided_srangeabs( 4, x, 1 ); +// returns 3.0f +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **X**: `[in] float*` input array. +- **strideX**: `[in] CBLAS_INT` stride length for `X`. + +```c +float stdlib_strided_srangeabs( const CBLAS_INT N, const float *X, const CBLAS_INT strideX ); +``` + +#### stdlib_strided_srangeabs_ndarray( N, \*X, strideX, offsetX ) + +Computes the [range][range] of absolute values of a single-precision floating-point strided array using alternative indexing semantics. + +```c +const float x[] = { 1.0f, -2.0f, 3.0f, -4.0f }; + +float v = stdlib_strided_srangeabs_ndarray( 4, x, 1, 0 ); +// returns 3.0f +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **X**: `[in] float*` input array. +- **strideX**: `[in] CBLAS_INT` stride length for `X`. +- **offsetX**: `[in] CBLAS_INT` starting index for `X`. + +```c +float stdlib_strided_srangeabs_ndarray( const CBLAS_INT N, const float *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/strided/srangeabs.h" +#include + +int main( void ) { + // Create a strided array: + const float x[] = { 1.0f, -2.0f, -3.0f, 4.0f, -5.0f, -6.0f, 7.0f, 8.0f }; + + // Specify the number of elements: + const int N = 4; + + // Specify the stride length: + const int strideX = 2; + + // Compute the range: + float v = stdlib_strided_srangeabs( N, x, strideX ); + + // Print the result: + printf( "range: %f\n", v ); +} +``` + +
+ + + +
+ + + + + +
+ +
+ + + + + +
+ +[range]: https://en.wikipedia.org/wiki/Range_%28statistics%29 + +[@stdlib/array/float32]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/float32 + +[mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray + + + + + +
+ + diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.js new file mode 100644 index 000000000000..6c52de50459d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.js @@ -0,0 +1,103 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; +var srangeabs = require( './../lib/srangeabs.js' ); + + +// VARIABLES // + +var options = { + 'dtype': 'float32' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -10.0, 10.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var v; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + v = srangeabs( x.length, x, 1 ); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s:len=%d', pkg, len ), f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.native.js new file mode 100644 index 000000000000..09b8a4f051a4 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.native.js @@ -0,0 +1,108 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var srangeabs = tryRequire( resolve( __dirname, './../lib/srangeabs.native.js' ) ); +var opts = { + 'skip': ( srangeabs instanceof Error ) +}; +var options = { + 'dtype': 'float32' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -10.0, 10.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var v; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + v = srangeabs( x.length, x, 1 ); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.ndarray.js new file mode 100644 index 000000000000..4cb97c0f607d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.ndarray.js @@ -0,0 +1,103 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; +var srangeabs = require( './../lib/ndarray.js' ); + + +// VARIABLES // + +var options = { + 'dtype': 'float32' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -10.0, 10.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var v; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + v = srangeabs( x.length, x, 1, 0 ); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s:ndarray:len=%d', pkg, len ), f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.ndarray.native.js new file mode 100644 index 000000000000..d509eee0d97d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/benchmark.ndarray.native.js @@ -0,0 +1,108 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var bench = require( '@stdlib/bench' ); +var uniform = require( '@stdlib/random/array/uniform' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var srangeabs = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( srangeabs instanceof Error ) +}; +var options = { + 'dtype': 'float32' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -10.0, 10.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var v; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + v = srangeabs( x.length, x, 1, 0 ); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnanf( v ) ) { + b.fail( 'should not return NaN' ); + } + b.pass( 'benchmark finished' ); + b.end(); + } +} + + +// MAIN // + +/** +* Main execution sequence. +* +* @private +*/ +function main() { + var len; + var min; + var max; + var f; + var i; + + min = 1; // 10^min + max = 6; // 10^max + + for ( i = min; i <= max; i++ ) { + len = pow( 10, i ); + f = createBenchmark( len ); + bench( format( '%s::native:ndarray:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/c/Makefile new file mode 100644 index 000000000000..0756dc7da20a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := benchmark.length.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled benchmarks. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/c/benchmark.length.c new file mode 100644 index 000000000000..b9e9e333f343 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/benchmark/c/benchmark.length.c @@ -0,0 +1,203 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/strided/srangeabs.h" +#include +#include +#include +#include +#include + +#define NAME "srangeabs" +#define ITERATIONS 1000000 +#define REPEATS 3 +#define MIN 1 +#define MAX 6 + +/** +* Prints the TAP version. +*/ +static void print_version( void ) { + printf( "TAP version 13\n" ); +} + +/** +* Prints the TAP summary. +* +* @param total total number of tests +* @param passing total number of passing tests +*/ +static void print_summary( int total, int passing ) { + printf( "#\n" ); + printf( "1..%d\n", total ); // TAP plan + printf( "# total %d\n", total ); + printf( "# pass %d\n", passing ); + printf( "#\n" ); + printf( "# ok\n" ); +} + +/** +* Prints benchmarks results. +* +* @param iterations number of iterations +* @param elapsed elapsed time in seconds +*/ +static void print_results( int iterations, double elapsed ) { + double rate = (double)iterations / elapsed; + printf( " ---\n" ); + printf( " iterations: %d\n", iterations ); + printf( " elapsed: %0.9f\n", elapsed ); + printf( " rate: %0.9f\n", rate ); + printf( " ...\n" ); +} + +/** +* Returns a clock time. +* +* @return clock time +*/ +static double tic( void ) { + struct timeval now; + gettimeofday( &now, NULL ); + return (double)now.tv_sec + (double)now.tv_usec/1.0e6; +} + +/** +* Generates a random number on the interval [0,1). +* +* @return random number +*/ +static float rand_float( void ) { + int r = rand(); + return (float)r / ( (float)RAND_MAX + 1.0f ); +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark1( int iterations, int len ) { + double elapsed; + float *x; + float v; + double t; + int i; + + x = (float *)malloc( len * sizeof( float ) ); + + for ( i = 0; i < len; i++ ) { + x[ i ] = ( rand_float() * 20000.0f ) - 10000.0f; + } + v = 0.0f; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + // cppcheck-suppress uninitvar + v = stdlib_strided_srangeabs( len, x, 1 ); + if ( v != v ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( v != v ) { + printf( "should not return NaN\n" ); + } + free( x ); + return elapsed; +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark2( int iterations, int len ) { + double elapsed; + float *x; + float v; + double t; + int i; + + x = (float *)malloc( len * sizeof( float ) ); + + for ( i = 0; i < len; i++ ) { + x[ i ] = ( rand_float() * 20000.0f ) - 10000.0f; + } + v = 0.0f; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + // cppcheck-suppress uninitvar + v = stdlib_strided_srangeabs_ndarray( len, x, 1, 0 ); + if ( v != v ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( v != v ) { + printf( "should not return NaN\n" ); + } + free( x ); + return elapsed; +} + +/** +* Main execution sequence. +*/ +int main( void ) { + double elapsed; + int count; + int iter; + int len; + int i; + int j; + + // Use the current time to seed the random number generator: + srand( time( NULL ) ); + + print_version(); + count = 0; + for ( i = MIN; i <= MAX; i++ ) { + len = pow( 10, i ); + iter = ITERATIONS / pow( 10, i-1 ); + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:len=%d\n", NAME, len ); + elapsed = benchmark1( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + } + for ( i = MIN; i <= MAX; i++ ) { + len = pow( 10, i ); + iter = ITERATIONS / pow( 10, i-1 ); + for ( j = 0; j < REPEATS; j++ ) { + count += 1; + printf( "# c::%s:ndarray:len=%d\n", NAME, len ); + elapsed = benchmark2( iter, len ); + print_results( iter, elapsed ); + printf( "ok %d benchmark finished\n", count ); + } + } + print_summary( count, count ); +} diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/binding.gyp b/lib/node_modules/@stdlib/stats/strided/srangeabs/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/binding.gyp @@ -0,0 +1,170 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A `.gyp` file for building a Node.js native add-on. +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # List of files to include in this file: + 'includes': [ + './include.gypi', + ], + + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Target name should match the add-on export name: + 'addon_target_name%': 'addon', + + # Set variables based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + { + # Define the object file suffix: + 'obj': 'obj', + }, + { + # Define the object file suffix: + 'obj': 'o', + } + ], # end condition (OS=="win") + ], # end conditions + }, # end variables + + # Define compile targets: + 'targets': [ + + # Target to generate an add-on: + { + # The target name should match the add-on export name: + 'target_name': '<(addon_target_name)', + + # Define dependencies: + 'dependencies': [], + + # Define directories which contain relevant include headers: + 'include_dirs': [ + # Local include directory: + '<@(include_dirs)', + ], + + # List of source files: + 'sources': [ + '<@(src_files)', + ], + + # Settings which should be applied when a target's object files are used as linker input: + 'link_settings': { + # Define libraries: + 'libraries': [ + '<@(libraries)', + ], + + # Define library directories: + 'library_dirs': [ + '<@(library_dirs)', + ], + }, + + # C/C++ compiler flags: + 'cflags': [ + # Enable commonly used warning options: + '-Wall', + + # Aggressive optimization: + '-O3', + ], + + # C specific compiler flags: + 'cflags_c': [ + # Specify the C standard to which a program is expected to conform: + '-std=c99', + ], + + # C++ specific compiler flags: + 'cflags_cpp': [ + # Specify the C++ standard to which a program is expected to conform: + '-std=c++11', + ], + + # Linker flags: + 'ldflags': [], + + # Apply conditions based on the host OS: + 'conditions': [ + [ + 'OS=="mac"', + { + # Linker flags: + 'ldflags': [ + '-undefined dynamic_lookup', + '-Wl,-no-pie', + '-Wl,-search_paths_first', + ], + }, + ], # end condition (OS=="mac") + [ + 'OS!="win"', + { + # C/C++ flags: + 'cflags': [ + # Generate platform-independent code: + '-fPIC', + ], + }, + ], # end condition (OS!="win") + ], # end conditions + }, # end target <(addon_target_name) + + # Target to copy a generated add-on to a standard location: + { + 'target_name': 'copy_addon', + + # Declare that the output of this target is not linked: + 'type': 'none', + + # Define dependencies: + 'dependencies': [ + # Require that the add-on be generated before building this target: + '<(addon_target_name)', + ], + + # Define a list of actions: + 'actions': [ + { + 'action_name': 'copy_addon', + 'message': 'Copying addon...', + + # Explicitly list the inputs in the command-line invocation below: + 'inputs': [], + + # Declare the expected outputs: + 'outputs': [ + '<(addon_output_dir)/<(addon_target_name).node', + ], + + # Define the command-line invocation: + 'action': [ + 'cp', + '<(PRODUCT_DIR)/<(addon_target_name).node', + '<(addon_output_dir)/<(addon_target_name).node', + ], + }, + ], # end actions + }, # end target copy_addon + ], # end targets +} diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/repl.txt b/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/repl.txt new file mode 100644 index 000000000000..d1f7187caa39 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/repl.txt @@ -0,0 +1,90 @@ + +{{alias}}( N, x, strideX ) + Computes the range of absolute values of a single-precision + floating-point strided array. + + The `N` and stride parameters determine which elements in the strided array + are accessed at runtime. + + Indexing is relative to the first index. To introduce an offset, use a typed + array view. + + If `N <= 0`, the function returns `NaN`. + + Parameters + ---------- + N: integer + Number of indexed elements. + + x: Float32Array + Input array. + + strideX: integer + Stride length. + + Returns + ------- + out: number + Range of absolute values. + + Examples + -------- + // Standard Usage: + > var x = new {{alias:@stdlib/array/float32}}( [ 1.0, -2.0, 2.0 ] ); + > {{alias}}( x.length, x, 1 ) + 1.0 + + // Using `N` and stride parameters: + > x = new {{alias:@stdlib/array/float32}}( [ -2.0, 1.0, 1.0, -5.0, 2.0, -1.0 ] ); + > {{alias}}( 3, x, 2 ) + 1.0 + + // Using view offsets: + > var x0 = new {{alias:@stdlib/array/float32}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0 ] ); + > var x1 = new {{alias:@stdlib/array/float32}}( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); + > {{alias}}( 3, x1, 2 ) + 1.0 + + +{{alias}}.ndarray( N, x, strideX, offsetX ) + Computes the range of absolute values of a single-precision + floating-point strided array using alternative indexing semantics. + + While typed array views mandate a view offset based on the underlying + buffer, the `offset` parameter supports indexing semantics based on a + starting index. + + Parameters + ---------- + N: integer + Number of indexed elements. + + x: Float32Array + Input array. + + strideX: integer + Stride length. + + offsetX: integer + Starting index. + + Returns + ------- + out: number + Range of absolute values. + + Examples + -------- + // Standard Usage: + > var x = new {{alias:@stdlib/array/float32}}( [ 1.0, -2.0, 2.0 ] ); + > {{alias}}.ndarray( x.length, x, 1, 0 ) + 1.0 + + // Using offset parameter: + > var x = new {{alias:@stdlib/array/float32}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0 ] ); + > {{alias}}.ndarray( 3, x, 2, 1 ) + 1.0 + + See Also + -------- + diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/types/index.d.ts new file mode 100644 index 000000000000..02ba897cc7c3 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/types/index.d.ts @@ -0,0 +1,92 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +// TypeScript Version: 4.1 + +/** +* Interface describing `srangeabs`. +*/ +interface Routine { + /** + * Computes the range of absolute values of a single-precision floating-point strided array. + * + * @param N - number of indexed elements + * @param x - input array + * @param strideX - stride length + * @returns range + * + * @example + * var Float32Array = require( '@stdlib/array/float32' ); + * + * var x = new Float32Array( [ 1.0, -2.0, 2.0 ] ); + * + * var v = srangeabs( x.length, x, 1 ); + * // returns 1.0 + */ + ( N: number, x: Float32Array, strideX: number ): number; + + /** + * Computes the range of absolute values of a single-precision floating-point strided array using alternative indexing semantics. + * + * @param N - number of indexed elements + * @param x - input array + * @param strideX - stride length + * @param offsetX - starting index + * @returns range + * + * @example + * var Float32Array = require( '@stdlib/array/float32' ); + * + * var x = new Float32Array( [ 1.0, -2.0, 2.0 ] ); + * + * var v = srangeabs.ndarray( x.length, x, 1, 0 ); + * // returns 1.0 + */ + ndarray( N: number, x: Float32Array, strideX: number, offsetX: number ): number; +} + +/** +* Computes the range of absolute values of a single-precision floating-point strided array. +* +* @param N - number of indexed elements +* @param x - input array +* @param strideX - stride length +* @returns range +* +* @example +* var Float32Array = require( '@stdlib/array/float32' ); +* +* var x = new Float32Array( [ 1.0, -2.0, 2.0 ] ); +* +* var v = srangeabs( x.length, x, 1 ); +* // returns 1.0 +* +* @example +* var Float32Array = require( '@stdlib/array/float32' ); +* +* var x = new Float32Array( [ 1.0, -2.0, 2.0 ] ); +* +* var v = srangeabs.ndarray( x.length, x, 1, 0 ); +* // returns 1.0 +*/ +declare var srangeabs: Routine; + + +// EXPORTS // + +export = srangeabs; diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/types/test.ts b/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/types/test.ts new file mode 100644 index 000000000000..81057db9946d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/docs/types/test.ts @@ -0,0 +1,157 @@ +/* +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +import srangeabs = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + const x = new Float32Array( 10 ); + + srangeabs( x.length, x, 1 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a first argument which is not a number... +{ + const x = new Float32Array( 10 ); + + srangeabs( '10', x, 1 ); // $ExpectError + srangeabs( true, x, 1 ); // $ExpectError + srangeabs( false, x, 1 ); // $ExpectError + srangeabs( null, x, 1 ); // $ExpectError + srangeabs( undefined, x, 1 ); // $ExpectError + srangeabs( [], x, 1 ); // $ExpectError + srangeabs( {}, x, 1 ); // $ExpectError + srangeabs( ( x: number ): number => x, x, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a second argument which is not a Float32Array... +{ + const x = new Float32Array( 10 ); + + srangeabs( x.length, 10, 1 ); // $ExpectError + srangeabs( x.length, '10', 1 ); // $ExpectError + srangeabs( x.length, true, 1 ); // $ExpectError + srangeabs( x.length, false, 1 ); // $ExpectError + srangeabs( x.length, null, 1 ); // $ExpectError + srangeabs( x.length, undefined, 1 ); // $ExpectError + srangeabs( x.length, [], 1 ); // $ExpectError + srangeabs( x.length, {}, 1 ); // $ExpectError + srangeabs( x.length, ( x: number ): number => x, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a third argument which is not a number... +{ + const x = new Float32Array( 10 ); + + srangeabs( x.length, x, '10' ); // $ExpectError + srangeabs( x.length, x, true ); // $ExpectError + srangeabs( x.length, x, false ); // $ExpectError + srangeabs( x.length, x, null ); // $ExpectError + srangeabs( x.length, x, undefined ); // $ExpectError + srangeabs( x.length, x, [] ); // $ExpectError + srangeabs( x.length, x, {} ); // $ExpectError + srangeabs( x.length, x, ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided an unsupported number of arguments... +{ + const x = new Float32Array( 10 ); + + srangeabs(); // $ExpectError + srangeabs( x.length ); // $ExpectError + srangeabs( x.length, x ); // $ExpectError + srangeabs( x.length, x, 1, 10 ); // $ExpectError +} + +// Attached to main export is an `ndarray` method which returns a number... +{ + const x = new Float32Array( 10 ); + + srangeabs.ndarray( x.length, x, 1, 0 ); // $ExpectType number +} + +// The compiler throws an error if the `ndarray` method is provided a first argument which is not a number... +{ + const x = new Float32Array( 10 ); + + srangeabs.ndarray( '10', x, 1, 0 ); // $ExpectError + srangeabs.ndarray( true, x, 1, 0 ); // $ExpectError + srangeabs.ndarray( false, x, 1, 0 ); // $ExpectError + srangeabs.ndarray( null, x, 1, 0 ); // $ExpectError + srangeabs.ndarray( undefined, x, 1, 0 ); // $ExpectError + srangeabs.ndarray( [], x, 1, 0 ); // $ExpectError + srangeabs.ndarray( {}, x, 1, 0 ); // $ExpectError + srangeabs.ndarray( ( x: number ): number => x, x, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a second argument which is not a Float32Array... +{ + const x = new Float32Array( 10 ); + + srangeabs.ndarray( x.length, 10, 1, 0 ); // $ExpectError + srangeabs.ndarray( x.length, '10', 1, 0 ); // $ExpectError + srangeabs.ndarray( x.length, true, 1, 0 ); // $ExpectError + srangeabs.ndarray( x.length, false, 1, 0 ); // $ExpectError + srangeabs.ndarray( x.length, null, 1, 0 ); // $ExpectError + srangeabs.ndarray( x.length, undefined, 1, 0 ); // $ExpectError + srangeabs.ndarray( x.length, [], 1, 0 ); // $ExpectError + srangeabs.ndarray( x.length, {}, 1, 0 ); // $ExpectError + srangeabs.ndarray( x.length, ( x: number ): number => x, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a third argument which is not a number... +{ + const x = new Float32Array( 10 ); + + srangeabs.ndarray( x.length, x, '10', 0 ); // $ExpectError + srangeabs.ndarray( x.length, x, true, 0 ); // $ExpectError + srangeabs.ndarray( x.length, x, false, 0 ); // $ExpectError + srangeabs.ndarray( x.length, x, null, 0 ); // $ExpectError + srangeabs.ndarray( x.length, x, undefined, 0 ); // $ExpectError + srangeabs.ndarray( x.length, x, [], 0 ); // $ExpectError + srangeabs.ndarray( x.length, x, {}, 0 ); // $ExpectError + srangeabs.ndarray( x.length, x, ( x: number ): number => x, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a fourth argument which is not a number... +{ + const x = new Float32Array( 10 ); + + srangeabs.ndarray( x.length, x, 1, '10' ); // $ExpectError + srangeabs.ndarray( x.length, x, 1, true ); // $ExpectError + srangeabs.ndarray( x.length, x, 1, false ); // $ExpectError + srangeabs.ndarray( x.length, x, 1, null ); // $ExpectError + srangeabs.ndarray( x.length, x, 1, undefined ); // $ExpectError + srangeabs.ndarray( x.length, x, 1, [] ); // $ExpectError + srangeabs.ndarray( x.length, x, 1, {} ); // $ExpectError + srangeabs.ndarray( x.length, x, 1, ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided an unsupported number of arguments... +{ + const x = new Float32Array( 10 ); + + srangeabs.ndarray(); // $ExpectError + srangeabs.ndarray( x.length ); // $ExpectError + srangeabs.ndarray( x.length, x ); // $ExpectError + srangeabs.ndarray( x.length, x, 1 ); // $ExpectError + srangeabs.ndarray( x.length, x, 1, 0, 10 ); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/c/Makefile b/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/c/Makefile @@ -0,0 +1,146 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + +# Define the program used for compiling C source files: +ifdef C_COMPILER + CC := $(C_COMPILER) +else + CC := gcc +endif + +# Define the command-line options when compiling C files: +CFLAGS ?= \ + -std=c99 \ + -O3 \ + -Wall \ + -pedantic + +# Determine whether to generate position independent code ([1][1], [2][2]). +# +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option +ifeq ($(OS), WINNT) + fPIC ?= +else + fPIC ?= -fPIC +endif + +# List of includes (e.g., `-I /foo/bar -I /beep/boop/include`): +INCLUDE ?= + +# List of source files: +SOURCE_FILES ?= + +# List of libraries (e.g., `-lopenblas -lpthread`): +LIBRARIES ?= + +# List of library paths (e.g., `-L /foo/bar -L /beep/boop`): +LIBPATH ?= + +# List of C targets: +c_targets := example.out + + +# RULES # + +#/ +# Compiles source files. +# +# @param {string} [C_COMPILER] - C compiler (e.g., `gcc`) +# @param {string} [CFLAGS] - C compiler options +# @param {(string|void)} [fPIC] - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop/include`) +# @param {string} [SOURCE_FILES] - list of source files +# @param {string} [LIBPATH] - list of library paths (e.g., `-L /foo/bar -L /beep/boop`) +# @param {string} [LIBRARIES] - list of libraries (e.g., `-lopenblas -lpthread`) +# +# @example +# make +# +# @example +# make all +#/ +all: $(c_targets) + +.PHONY: all + +#/ +# Compiles C source files. +# +# @private +# @param {string} CC - C compiler (e.g., `gcc`) +# @param {string} CFLAGS - C compiler options +# @param {(string|void)} fPIC - compiler flag determining whether to generate position independent code (e.g., `-fPIC`) +# @param {string} INCLUDE - list of includes (e.g., `-I /foo/bar`) +# @param {string} SOURCE_FILES - list of source files +# @param {string} LIBPATH - list of library paths (e.g., `-L /foo/bar`) +# @param {string} LIBRARIES - list of libraries (e.g., `-lopenblas`) +#/ +$(c_targets): %.out: %.c + $(QUIET) $(CC) $(CFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< $(LIBPATH) -lm $(LIBRARIES) + +#/ +# Runs compiled examples. +# +# @example +# make run +#/ +run: $(c_targets) + $(QUIET) ./$< + +.PHONY: run + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: + $(QUIET) -rm -f *.o *.out + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/c/example.c b/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/c/example.c new file mode 100644 index 000000000000..ebab50304c9b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/c/example.c @@ -0,0 +1,37 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/strided/srangeabs.h" +#include + +int main( void ) { + // Create a strided array: + const float x[] = { 1.0f, -2.0f, -3.0f, 4.0f, -5.0f, -6.0f, 7.0f, 8.0f }; + + // Specify the number of elements: + const int N = 4; + + // Specify the stride length: + const int strideX = 2; + + // Compute the range: + float v = stdlib_strided_srangeabs( N, x, strideX ); + + // Print the result: + printf( "range: %f\n", v ); +} diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/index.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/index.js new file mode 100644 index 000000000000..93129612694f --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/examples/index.js @@ -0,0 +1,30 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var srangeabs = require( './../lib' ); + +var x = discreteUniform( 10, -50, 50, { + 'dtype': 'float32' +}); +console.log( x ); + +var v = srangeabs( x.length, x, 1 ); +console.log( v ); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/include.gypi b/lib/node_modules/@stdlib/stats/strided/srangeabs/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/include.gypi @@ -0,0 +1,53 @@ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# A GYP include file for building a Node.js native add-on. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + ' max ) { + max = v; + } + } + return float64ToFloat32( max - min ); +} + + +// EXPORTS // + +module.exports = srangeabs; diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/ndarray.native.js new file mode 100644 index 000000000000..f247781c679d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/ndarray.native.js @@ -0,0 +1,52 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Computes the range of absolute values of a single-precision floating-point strided array. +* +* @param {PositiveInteger} N - number of indexed elements +* @param {Float32Array} x - input array +* @param {integer} strideX - stride length +* @param {NonNegativeInteger} offsetX - starting index +* @returns {number} range +* +* @example +* var Float32Array = require( '@stdlib/array/float32' ); +* +* var x = new Float32Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] ); +* +* var v = srangeabs( 4, x, 2, 1 ); +* // returns 3.0 +*/ +function srangeabs( N, x, strideX, offsetX ) { + return addon.ndarray( N, x, strideX, offsetX ); +} + + +// EXPORTS // + +module.exports = srangeabs; diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/srangeabs.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/srangeabs.js new file mode 100644 index 000000000000..93673838a7d5 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/srangeabs.js @@ -0,0 +1,52 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var stride2offset = require( '@stdlib/strided/base/stride2offset' ); +var ndarray = require( './ndarray.js' ); + + +// MAIN // + +/** +* Computes the range of absolute values of a single-precision floating-point strided array. +* +* @param {PositiveInteger} N - number of indexed elements +* @param {Float32Array} x - input array +* @param {integer} strideX - stride length +* @returns {number} range +* +* @example +* var Float32Array = require( '@stdlib/array/float32' ); +* +* var x = new Float32Array( [ 1.0, -2.0, 2.0 ] ); +* +* var v = srangeabs( x.length, x, 1 ); +* // returns 1.0 +*/ +function srangeabs( N, x, strideX ) { + return ndarray( N, x, strideX, stride2offset( N, strideX ) ); +} + + +// EXPORTS // + +module.exports = srangeabs; diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/srangeabs.native.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/srangeabs.native.js new file mode 100644 index 000000000000..9700ee159c80 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/lib/srangeabs.native.js @@ -0,0 +1,51 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var addon = require( './../src/addon.node' ); + + +// MAIN // + +/** +* Computes the range of absolute values of a single-precision floating-point strided array. +* +* @param {PositiveInteger} N - number of indexed elements +* @param {Float32Array} x - input array +* @param {integer} strideX - stride length +* @returns {number} range +* +* @example +* var Float32Array = require( '@stdlib/array/float32' ); +* +* var x = new Float32Array( [ 1.0, -2.0, 2.0 ] ); +* +* var v = srangeabs( x.length, x, 1 ); +* // returns 1.0 +*/ +function srangeabs( N, x, strideX ) { + return addon( N, x, strideX ); +} + + +// EXPORTS // + +module.exports = srangeabs; diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/manifest.json b/lib/node_modules/@stdlib/stats/strided/srangeabs/manifest.json new file mode 100644 index 000000000000..ffaba2ab991d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/manifest.json @@ -0,0 +1,107 @@ +{ + "options": { + "task": "build", + "wasm": false + }, + "fields": [ + { + "field": "src", + "resolve": true, + "relative": true + }, + { + "field": "include", + "resolve": true, + "relative": true + }, + { + "field": "libraries", + "resolve": false, + "relative": false + }, + { + "field": "libpath", + "resolve": true, + "relative": false + } + ], + "confs": [ + { + "task": "build", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/math/base/special/absf", + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/napi/argv-int64", + "@stdlib/napi/argv-strided-float32array", + "@stdlib/napi/create-double" + ] + }, + { + "task": "benchmark", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/math/base/special/absf" + ] + }, + { + "task": "examples", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/math/base/special/absf" + ] + }, + { + "task": "", + "wasm": true, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/strided/base/stride2offset", + "@stdlib/math/base/assert/is-nanf", + "@stdlib/math/base/special/absf" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/package.json b/lib/node_modules/@stdlib/stats/strided/srangeabs/package.json new file mode 100644 index 000000000000..42fb01a56e92 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/package.json @@ -0,0 +1,83 @@ +{ + "name": "@stdlib/stats/strided/srangeabs", + "version": "0.0.0", + "description": "Calculate the range of absolute values of a single-precision floating-point strided array.", + "license": "Apache-2.0", + "author": { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + }, + "contributors": [ + { + "name": "The Stdlib Authors", + "url": "https://github.com/stdlib-js/stdlib/graphs/contributors" + } + ], + "main": "./lib", + "browser": "./lib/main.js", + "gypfile": true, + "directories": { + "benchmark": "./benchmark", + "doc": "./docs", + "example": "./examples", + "include": "./include", + "lib": "./lib", + "src": "./src", + "test": "./test" + }, + "types": "./docs/types", + "scripts": {}, + "homepage": "https://github.com/stdlib-js/stdlib", + "repository": { + "type": "git", + "url": "git://github.com/stdlib-js/stdlib.git" + }, + "bugs": { + "url": "https://github.com/stdlib-js/stdlib/issues" + }, + "dependencies": {}, + "devDependencies": {}, + "engines": { + "node": ">=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "statistics", + "stats", + "mathematics", + "math", + "maximum", + "max", + "minimum", + "min", + "range", + "absolute", + "abs", + "extremes", + "domain", + "extent", + "dispersion", + "strided", + "strided array", + "typed", + "array", + "float32", + "float", + "single", + "float32array" + ], + "__stdlib__": {} +} diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/src/Makefile b/lib/node_modules/@stdlib/stats/strided/srangeabs/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/src/Makefile @@ -0,0 +1,70 @@ +#/ +# @license Apache-2.0 +# +# Copyright (c) 2026 The Stdlib Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +#/ + +# VARIABLES # + +ifndef VERBOSE + QUIET := @ +else + QUIET := +endif + +# Determine the OS ([1][1], [2][2]). +# +# [1]: https://en.wikipedia.org/wiki/Uname#Examples +# [2]: http://stackoverflow.com/a/27776822/2225624 +OS ?= $(shell uname) +ifneq (, $(findstring MINGW,$(OS))) + OS := WINNT +else +ifneq (, $(findstring MSYS,$(OS))) + OS := WINNT +else +ifneq (, $(findstring CYGWIN,$(OS))) + OS := WINNT +else +ifneq (, $(findstring Windows_NT,$(OS))) + OS := WINNT +endif +endif +endif +endif + + +# RULES # + +#/ +# Removes generated files for building an add-on. +# +# @example +# make clean-addon +#/ +clean-addon: + $(QUIET) -rm -f *.o *.node + +.PHONY: clean-addon + +#/ +# Removes generated files. +# +# @example +# make clean +#/ +clean: clean-addon + +.PHONY: clean diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/src/addon.c b/lib/node_modules/@stdlib/stats/strided/srangeabs/src/addon.c new file mode 100644 index 000000000000..a2f508748039 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/src/addon.c @@ -0,0 +1,61 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/strided/srangeabs.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/napi/export.h" +#include "stdlib/napi/argv.h" +#include "stdlib/napi/argv_int64.h" +#include "stdlib/napi/argv_strided_float32array.h" +#include "stdlib/napi/create_double.h" +#include + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 3 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT32ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_CREATE_DOUBLE( env, (double)API_SUFFIX(stdlib_strided_srangeabs)( N, X, strideX ), v ); + return v; +} + +/** +* Receives JavaScript callback invocation data. +* +* @param env environment under which the function is invoked +* @param info callback data +* @return Node-API value +*/ +static napi_value addon_method( napi_env env, napi_callback_info info ) { + STDLIB_NAPI_ARGV( env, info, argv, argc, 4 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_INT64( env, offsetX, argv, 3 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT32ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_CREATE_DOUBLE( env, (double)API_SUFFIX(stdlib_strided_srangeabs_ndarray)( N, X, strideX, offsetX ), v ); + return v; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN_WITH_METHOD( addon, "ndarray", addon_method ) diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/src/main.c b/lib/node_modules/@stdlib/stats/strided/srangeabs/src/main.c new file mode 100644 index 000000000000..8a92cc89acf8 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/src/main.c @@ -0,0 +1,84 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdlib/stats/strided/srangeabs.h" +#include "stdlib/math/base/assert/is_nanf.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/strided/base/stride2offset.h" +#include "stdlib/math/base/special/absf.h" + +/** +* Computes the range of absolute values of a single-precision floating-point strided array. +* +* @param N number of indexed elements +* @param X input array +* @param strideX stride length +* @return output value +*/ +float API_SUFFIX(stdlib_strided_srangeabs)( const CBLAS_INT N, const float *X, const CBLAS_INT strideX ) { + const CBLAS_INT ox = stdlib_strided_stride2offset( N, strideX ); + return API_SUFFIX(stdlib_strided_srangeabs_ndarray)( N, X, strideX, ox ); +} + +/** +* Computes the range of absolute values of a single-precision floating-point strided array using alternative indexing semantics. +* +* @param N number of indexed elements +* @param X input array +* @param strideX stride length +* @param offsetX starting index for X +* @return output value +*/ +float API_SUFFIX(stdlib_strided_srangeabs_ndarray)( const CBLAS_INT N, const float *X, const CBLAS_INT strideX, const CBLAS_INT offsetX ) { + CBLAS_INT ix; + CBLAS_INT i; + float max; + float min; + float v; + + if ( N <= 0 ) { + return 0.0f / 0.0f; // NaN + } + if ( N == 1 || strideX == 0 ) { + if ( stdlib_base_is_nanf( X[ offsetX ] ) ) { + return X[ offsetX ]; + } + return 0.0f; + } + ix = offsetX; + v = X[ ix ]; + if ( stdlib_base_is_nanf( v ) ) { + return v; + } + min = stdlib_base_absf( v ); + max = min; + for ( i = 1; i < N; i++ ) { + ix += strideX; + v = X[ ix ]; + if ( stdlib_base_is_nanf( v ) ) { + return v; + } + v = stdlib_base_absf( v ); + if ( v < min ) { + min = v; + } else if ( v > max ) { + max = v; + } + } + return max - min; +} diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.js new file mode 100644 index 000000000000..43e238454f35 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.js @@ -0,0 +1,82 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var proxyquire = require( 'proxyquire' ); +var IS_BROWSER = require( '@stdlib/assert/is-browser' ); +var srangeabs = require( './../lib' ); + + +// VARIABLES // + +var opts = { + 'skip': IS_BROWSER +}; + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof srangeabs, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'attached to the main export is a method providing an ndarray interface', function test( t ) { + t.strictEqual( typeof srangeabs.ndarray, 'function', 'method is a function' ); + t.end(); +}); + +tape( 'if a native implementation is available, the main export is the native implementation', opts, function test( t ) { + var srangeabs = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + + t.strictEqual( srangeabs, mock, 'returns expected value' ); + t.end(); + + function tryRequire() { + return mock; + } + + function mock() { + // Mock... + } +}); + +tape( 'if a native implementation is not available, the main export is a JavaScript implementation', opts, function test( t ) { + var srangeabs; + var main; + + main = require( './../lib/srangeabs.js' ); + + srangeabs = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + + t.strictEqual( srangeabs, main, 'returns expected value' ); + t.end(); + + function tryRequire() { + return new Error( 'Cannot find module' ); + } +}); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.ndarray.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.ndarray.js new file mode 100644 index 000000000000..84072e350c57 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.ndarray.js @@ -0,0 +1,180 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var Float32Array = require( '@stdlib/array/float32' ); +var srangeabs = require( './../lib/ndarray.js' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof srangeabs, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 4', function test( t ) { + t.strictEqual( srangeabs.length, 4, 'has expected arity' ); + t.end(); +}); + +tape( 'the function calculates the range of absolute values of a strided array', function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + x = new Float32Array( [ -4.0, -5.0 ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( v, 1.0, 'returns expected value' ); + + x = new Float32Array( [ -0.0, 0.0, -0.0 ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 0, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + v = srangeabs( -1, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter equal to `1`, the function returns `0` or `NaN`', function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 1, x, 1, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 1, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports a `stride` parameter', function test( t ) { + var x; + var v; + + x = new Float32Array([ + 1.0, // 0 + 2.0, + 2.0, // 1 + -7.0, + -2.0, // 2 + 3.0, + 4.0, // 3 + 2.0 + ]); + + v = srangeabs( 4, x, 2, 0 ); + + t.strictEqual( v, 3.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a negative `stride` parameter', function test( t ) { + var x; + var v; + + x = new Float32Array([ + 1.0, // 3 + 2.0, + 2.0, // 2 + -7.0, + -2.0, // 1 + 3.0, + 4.0, // 0 + 2.0 + ]); + + v = srangeabs( 4, x, -2, 6 ); + + t.strictEqual( v, 3.0, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` or `NaN`', function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( x.length, x, 0, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( x.length, x, 0, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports an `offset` parameter', function test( t ) { + var x; + var v; + + x = new Float32Array([ + 2.0, + 1.0, // 0 + 2.0, + -2.0, // 1 + -2.0, + 2.0, // 2 + 3.0, + 4.0 // 3 + ]); + + v = srangeabs( 4, x, 2, 1 ); + t.strictEqual( v, 3.0, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.ndarray.native.js new file mode 100644 index 000000000000..e783aaea454c --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.ndarray.native.js @@ -0,0 +1,189 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var Float32Array = require( '@stdlib/array/float32' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var srangeabs = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( srangeabs instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof srangeabs, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 4', opts, function test( t ) { + t.strictEqual( srangeabs.length, 4, 'has expected arity' ); + t.end(); +}); + +tape( 'the function calculates the range of absolute values of a strided array', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + x = new Float32Array( [ -4.0, -5.0 ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( v, 1.0, 'returns expected value' ); + + x = new Float32Array( [ -0.0, 0.0, -0.0 ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + v = srangeabs( x.length, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 0, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + v = srangeabs( -1, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter equal to `1`, the function returns `0` or `NaN`', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 1, x, 1, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 1, x, 1, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports a `stride` parameter', opts, function test( t ) { + var x; + var v; + + x = new Float32Array([ + 1.0, // 0 + 2.0, + 2.0, // 1 + -7.0, + -2.0, // 2 + 3.0, + 4.0, // 3 + 2.0 + ]); + + v = srangeabs( 4, x, 2, 0 ); + + t.strictEqual( v, 3.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a negative `stride` parameter', opts, function test( t ) { + var x; + var v; + + x = new Float32Array([ + 1.0, // 3 + 2.0, + 2.0, // 2 + -7.0, + -2.0, // 1 + 3.0, + 4.0, // 0 + 2.0 + ]); + + v = srangeabs( 4, x, -2, 6 ); + + t.strictEqual( v, 3.0, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` or `NaN`', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( x.length, x, 0, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( x.length, x, 0, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports an `offset` parameter', opts, function test( t ) { + var x; + var v; + + x = new Float32Array([ + 2.0, + 1.0, // 0 + 2.0, + -2.0, // 1 + -2.0, + 2.0, // 2 + 3.0, + 4.0 // 3 + ]); + + v = srangeabs( 4, x, 2, 1 ); + t.strictEqual( v, 3.0, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.srangeabs.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.srangeabs.js new file mode 100644 index 000000000000..4bbc3a4bcd41 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.srangeabs.js @@ -0,0 +1,184 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var tape = require( 'tape' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var Float32Array = require( '@stdlib/array/float32' ); +var srangeabs = require( './../lib/srangeabs.js' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof srangeabs, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 3', function test( t ) { + t.strictEqual( srangeabs.length, 3, 'has expected arity' ); + t.end(); +}); + +tape( 'the function calculates the range of absolute values of a strided array', function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + x = new Float32Array( [ -4.0, -5.0 ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( v, 1.0, 'returns expected value' ); + + x = new Float32Array( [ -0.0, 0.0, -0.0 ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 0, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + v = srangeabs( -1, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter equal to `1`, the function returns `0` or `NaN`', function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 1, x, 1 ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 1, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports a `stride` parameter', function test( t ) { + var x; + var v; + + x = new Float32Array([ + 1.0, // 0 + 2.0, + 2.0, // 1 + -7.0, + -2.0, // 2 + 3.0, + 4.0, // 3 + 2.0 + ]); + + v = srangeabs( 4, x, 2 ); + + t.strictEqual( v, 3.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a negative `stride` parameter', function test( t ) { + var x; + var v; + + x = new Float32Array([ + 1.0, // 3 + 2.0, + 2.0, // 2 + -7.0, + -2.0, // 1 + 3.0, + 4.0, // 0 + 2.0 + ]); + + v = srangeabs( 4, x, -2 ); + + t.strictEqual( v, 3.0, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` or `NaN`', function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( x.length, x, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( x.length, x, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports view offsets', function test( t ) { + var x0; + var x1; + var v; + + x0 = new Float32Array([ + 2.0, + 1.0, // 0 + 2.0, + -2.0, // 1 + -2.0, + 2.0, // 2 + 3.0, + 4.0, // 3 + 6.0 + ]); + + x1 = new Float32Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element + + v = srangeabs( 4, x1, 2 ); + t.strictEqual( v, 3.0, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.srangeabs.native.js b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.srangeabs.native.js new file mode 100644 index 000000000000..d4447cb310bc --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/srangeabs/test/test.srangeabs.native.js @@ -0,0 +1,275 @@ +/** +* @license Apache-2.0 +* +* Copyright (c) 2026 The Stdlib Authors. +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +'use strict'; + +// MODULES // + +var resolve = require( 'path' ).resolve; +var tape = require( 'tape' ); +var isnanf = require( '@stdlib/math/base/assert/is-nanf' ); +var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' ); +var Float32Array = require( '@stdlib/array/float32' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var srangeabs = tryRequire( resolve( __dirname, './../lib/srangeabs.native.js' ) ); +var opts = { + 'skip': ( srangeabs instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof srangeabs, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 3', opts, function test( t ) { + t.strictEqual( srangeabs.length, 3, 'has expected arity' ); + t.end(); +}); + +tape( 'the function throws an error if provided a first argument which is not a number', opts, function test( t ) { + var values; + var i; + + values = [ + '5', + true, + false, + null, + void 0, + [], + {}, + function noop() {} + ]; + + for ( i = 0; i < values.length; i++ ) { + t.throws( badValue( values[ i ] ), TypeError, 'throws an error when provided ' + values[ i ] ); + } + t.end(); + + function badValue( value ) { + return function badValue() { + srangeabs( value, new Float32Array( 10 ), 1 ); + }; + } +}); + +tape( 'the function throws an error if provided a second argument which is not a Float32Array', opts, function test( t ) { + var values; + var i; + + values = [ + '5', + 5, + true, + false, + null, + void 0, + [], + {}, + function noop() {} + ]; + + for ( i = 0; i < values.length; i++ ) { + t.throws( badValue( values[ i ] ), TypeError, 'throws an error when provided ' + values[ i ] ); + } + t.end(); + + function badValue( value ) { + return function badValue() { + srangeabs( 10, value, 1 ); + }; + } +}); + +tape( 'the function throws an error if provided a third argument which is not a number', opts, function test( t ) { + var values; + var i; + + values = [ + '5', + true, + false, + null, + void 0, + [], + {}, + function noop() {} + ]; + + for ( i = 0; i < values.length; i++ ) { + t.throws( badValue( values[ i ] ), TypeError, 'throws an error when provided ' + values[ i ] ); + } + t.end(); + + function badValue( value ) { + return function badValue() { + srangeabs( 10, new Float32Array( 10 ), value ); + }; + } +}); + +tape( 'the function calculates the range of absolute values of a strided array', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + x = new Float32Array( [ -4.0, -5.0 ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( v, 1.0, 'returns expected value' ); + + x = new Float32Array( [ -0.0, 0.0, -0.0 ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( isPositiveZerof( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + x = new Float32Array( [ NaN, NaN ] ); + v = srangeabs( x.length, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter less than or equal to `0`, the function returns `NaN`', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 0, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + v = srangeabs( -1, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an `N` parameter equal to `1`, the function returns `0` or `NaN`', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 1, x, 1 ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( 1, x, 1 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports a `stride` parameter', opts, function test( t ) { + var x; + var v; + + x = new Float32Array([ + 1.0, // 0 + 2.0, + 2.0, // 1 + -7.0, + -2.0, // 2 + 3.0, + 4.0, // 3 + 2.0 + ]); + + v = srangeabs( 4, x, 2 ); + + t.strictEqual( v, 3.0, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a negative `stride` parameter', opts, function test( t ) { + var x; + var v; + + x = new Float32Array([ + 1.0, // 3 + 2.0, + 2.0, // 2 + -7.0, + -2.0, // 1 + 3.0, + 4.0, // 0 + 2.0 + ]); + + v = srangeabs( 4, x, -2 ); + + t.strictEqual( v, 3.0, 'returns expected value' ); + t.end(); +}); + +tape( 'if provided a `stride` parameter equal to `0`, the function returns `0` or `NaN`', opts, function test( t ) { + var x; + var v; + + x = new Float32Array( [ 1.0, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( x.length, x, 0 ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float32Array( [ NaN, -2.0, -4.0, 5.0, 3.0 ] ); + + v = srangeabs( x.length, x, 0 ); + t.strictEqual( isnanf( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports view offsets', opts, function test( t ) { + var x0; + var x1; + var v; + + x0 = new Float32Array([ + 2.0, + 1.0, // 0 + 2.0, + -2.0, // 1 + -2.0, + 2.0, // 2 + 3.0, + 4.0, // 3 + 6.0 + ]); + + x1 = new Float32Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element + + v = srangeabs( 4, x1, 2 ); + t.strictEqual( v, 3.0, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/utils/README.md b/lib/node_modules/@stdlib/utils/README.md index ba0bda00cb85..54b3266c530d 100644 --- a/lib/node_modules/@stdlib/utils/README.md +++ b/lib/node_modules/@stdlib/utils/README.md @@ -62,8 +62,6 @@ The namespace has the following sub-namespaces: - [`any( collection )`][@stdlib/utils/any]: test whether at least one element in a collection is truthy. - [`append( collection1, collection2 )`][@stdlib/utils/append]: add elements from one collection to the end of another collection. - [`bifurcateBy( collection, [options,] predicate )`][@stdlib/utils/bifurcate-by]: split values into two groups according to a predicate function. -- [`bifurcateIn( obj, [options,] predicate )`][@stdlib/utils/bifurcate-in]: split an object's **own** and **inherited** property values into two groups according to a predicate function. -- [`bifurcateOwn( obj, [options,] predicate )`][@stdlib/utils/bifurcate-own]: split an object's **own** property values into two groups according to a predicate function. - [`bifurcate( collection, [options,] filter )`][@stdlib/utils/bifurcate]: split values into two groups. - [`countBy( collection, [options,] indicator )`][@stdlib/utils/count-by]: group values according to an indicator function and return group counts. - [`everyByRight( collection, predicate[, thisArg ] )`][@stdlib/utils/every-by-right]: test whether all elements in a collection pass a test implemented by a predicate function, iterating from right to left. @@ -129,9 +127,6 @@ The namespace has the following sub-namespaces:
-- [`commonKeys( obj1, obj2[, obj3[,...,objN]] )`][@stdlib/utils/common-keys]: return the common own property names of two or more objects. -- [`deepGet( obj, path[, options] )`][@stdlib/utils/deep-get]: get a nested property value. -- [`deepSet( obj, path, value[, options] )`][@stdlib/utils/deep-set]: set a nested property value. - [`setConfigurableReadOnlyAccessor( obj, prop, getter )`][@stdlib/utils/define-configurable-read-only-accessor]: define a configurable **read-only** accessor. - [`setConfigurableReadOnly( obj, prop, value )`][@stdlib/utils/define-configurable-read-only-property]: define a configurable **read-only** property. - [`setConfigurableReadWriteAccessor( obj, prop, getter, setter )`][@stdlib/utils/define-configurable-read-write-accessor]: define a configurable **read-write** accessor. @@ -157,8 +152,6 @@ The namespace has the following sub-namespaces: - [`enumerablePropertySymbolsIn( obj )`][@stdlib/utils/enumerable-property-symbols-in]: return an array of an object's own and inherited enumerable symbol properties. - [`enumerablePropertySymbols( obj )`][@stdlib/utils/enumerable-property-symbols]: return an array of an object's own enumerable symbol properties. - [`flattenObject( obj[, options] )`][@stdlib/utils/flatten-object]: flatten an object. -- [`forIn( obj, fcn[, thisArg ] )`][@stdlib/utils/for-in]: invoke a function for each own and inherited enumerable property of an object. -- [`forOwn( obj, fcn[, thisArg ] )`][@stdlib/utils/for-own]: invoke a function for each own enumerable property of an object. - [`getPrototypeOf( value )`][@stdlib/utils/get-prototype-of]: return the prototype of a provided object. - [`inheritedEnumerableProperties( obj[, level] )`][@stdlib/utils/inherited-enumerable-properties]: return an array of an object's inherited enumerable property names and symbols. - [`inheritedEnumerablePropertySymbols( obj[, level] )`][@stdlib/utils/inherited-enumerable-property-symbols]: return an array of an object's inherited enumerable symbol properties. @@ -175,7 +168,6 @@ The namespace has the following sub-namespaces: - [`inheritedWritablePropertyNames( obj[, level] )`][@stdlib/utils/inherited-writable-property-names]: return an array of an object's inherited writable property names. - [`inheritedWritablePropertySymbols( obj[, level] )`][@stdlib/utils/inherited-writable-property-symbols]: return an array of an object's inherited writable symbol properties. - [`keysIn( obj )`][@stdlib/utils/keys-in]: return an array of an object's own and inherited enumerable property names. -- [`lowercaseKeys( obj )`][@stdlib/utils/lowercase-keys]: convert each object key to lowercase. - [`mapKeys( obj, transform )`][@stdlib/utils/map-keys]: map keys from one object to a new object having the same values. - [`mapValues( obj, transform )`][@stdlib/utils/map-values]: map values from one object to a new object having the same keys. - [`merge( target, source1[, source2[,...,sourceN]] )`][@stdlib/utils/merge]: merge and extend objects. @@ -186,8 +178,6 @@ The namespace has the following sub-namespaces: - [`nonEnumerablePropertySymbolsIn( obj )`][@stdlib/utils/nonenumerable-property-symbols-in]: return an array of an object's own and inherited non-enumerable symbol properties. - [`nonEnumerablePropertySymbols( obj )`][@stdlib/utils/nonenumerable-property-symbols]: return an array of an object's own non-enumerable symbol properties. - [`nonIndexKeys( obj )`][@stdlib/utils/nonindex-keys]: return an array of an object's own enumerable property names which are not integer indices. -- [`objectInverseBy( obj, [options,] transform )`][@stdlib/utils/object-inverse-by]: invert an object, such that keys become values and values become keys, according to a transform function. -- [`objectInverse( obj[, options] )`][@stdlib/utils/object-inverse]: invert an object, such that keys become values and values become keys. - [`omitBy( obj, predicate )`][@stdlib/utils/omit-by]: return a partial object copy excluding properties for which a predicate (function) returns a truthy value. - [`omit( obj, keys )`][@stdlib/utils/omit]: return a partial object copy excluding specified keys. - [`pickArguments( fcn, indices[, thisArg] )`][@stdlib/utils/pick-arguments]: create a function that invokes a provided function with specified arguments. @@ -203,8 +193,6 @@ The namespace has the following sub-namespaces: - [`propertyNames( obj )`][@stdlib/utils/property-names]: return an array of an object's own enumerable and non-enumerable property names. - [`propertySymbolsIn( obj )`][@stdlib/utils/property-symbols-in]: return an array of an object's own and inherited symbol properties. - [`propertySymbols( obj )`][@stdlib/utils/property-symbols]: return an array of an object's own symbol properties. -- [`uncapitalizeKeys( obj )`][@stdlib/utils/uncapitalize-keys]: convert the first letter of each object key to lowercase. -- [`uppercaseKeys( obj )`][@stdlib/utils/uppercase-keys]: convert each object key to uppercase. - [`objectValuesIn( obj )`][@stdlib/utils/values-in]: return an array of an object's own and inherited enumerable property values. - [`objectValues( obj )`][@stdlib/utils/values]: return an array of an object's own enumerable property values. - [`writablePropertiesIn( obj )`][@stdlib/utils/writable-properties-in]: return an array of an object's own and inherited writable property names and symbols. @@ -279,7 +267,6 @@ The namespace has the following sub-namespaces:
-- [`commonKeysIn( obj1, obj2[, obj3[,...,objN]] )`][@stdlib/utils/common-keys-in]: return the common own and inherited property names of two or more objects. - [`constructorName( value )`][@stdlib/utils/constructor-name]: determine the name of a value's constructor. - [`convertPath( from, to )`][@stdlib/utils/convert-path]: convert between POSIX and Windows paths. - [`copy( value[, level] )`][@stdlib/utils/copy]: copy or deep clone a value to an arbitrary depth. @@ -363,8 +350,6 @@ console.log( objectKeys( utils ) ); -[@stdlib/utils/common-keys-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/common-keys-in - [@stdlib/utils/constructor-name]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/constructor-name [@stdlib/utils/convert-path]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/convert-path @@ -513,12 +498,6 @@ console.log( objectKeys( utils ) ); [@stdlib/utils/while]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/while -[@stdlib/utils/common-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/common-keys - -[@stdlib/utils/deep-get]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/deep-get - -[@stdlib/utils/deep-set]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/deep-set - [@stdlib/utils/define-configurable-read-only-accessor]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/define-configurable-read-only-accessor [@stdlib/utils/define-configurable-read-only-property]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/define-configurable-read-only-property @@ -569,10 +548,6 @@ console.log( objectKeys( utils ) ); [@stdlib/utils/flatten-object]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/flatten-object -[@stdlib/utils/for-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/for-in - -[@stdlib/utils/for-own]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/for-own - [@stdlib/utils/get-prototype-of]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/get-prototype-of [@stdlib/utils/inherited-enumerable-properties]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/inherited-enumerable-properties @@ -605,8 +580,6 @@ console.log( objectKeys( utils ) ); [@stdlib/utils/keys-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/keys-in -[@stdlib/utils/lowercase-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/lowercase-keys - [@stdlib/utils/map-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/map-keys [@stdlib/utils/map-values]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/map-values @@ -627,10 +600,6 @@ console.log( objectKeys( utils ) ); [@stdlib/utils/nonindex-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/nonindex-keys -[@stdlib/utils/object-inverse-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/object-inverse-by - -[@stdlib/utils/object-inverse]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/object-inverse - [@stdlib/utils/omit-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/omit-by [@stdlib/utils/omit]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/omit @@ -661,10 +630,6 @@ console.log( objectKeys( utils ) ); [@stdlib/utils/property-symbols]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/property-symbols -[@stdlib/utils/uncapitalize-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/uncapitalize-keys - -[@stdlib/utils/uppercase-keys]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/uppercase-keys - [@stdlib/utils/values-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/values-in [@stdlib/utils/values]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/values @@ -707,10 +672,6 @@ console.log( objectKeys( utils ) ); [@stdlib/utils/bifurcate-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/bifurcate-by -[@stdlib/utils/bifurcate-in]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/bifurcate-in - -[@stdlib/utils/bifurcate-own]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/bifurcate-own - [@stdlib/utils/bifurcate]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/bifurcate [@stdlib/utils/count-by]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/utils/count-by