From c35b86801bd32642b13a27d4fec9c691a09551fd Mon Sep 17 00:00:00 2001 From: Shubham Date: Fri, 6 Feb 2026 02:11:55 +0530 Subject: [PATCH 1/2] feat: add implementation of stats/strided/distances/dcanberra --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: passed - task: lint_package_json status: passed - task: lint_repl_help status: passed - task: lint_javascript_src status: passed - task: lint_javascript_cli status: na - task: lint_javascript_examples status: passed - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: passed - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: missing_dependencies - task: lint_c_examples status: missing_dependencies - task: lint_c_benchmarks status: missing_dependencies - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: passed - task: lint_license_headers status: passed --- --- .../triangular/cdf/benchmark/benchmark.js | 3 +- .../cdf/benchmark/benchmark.native.js | 3 +- .../triangular/ctor/benchmark/benchmark.js | 37 +- .../entropy/benchmark/benchmark.native.js | 3 +- .../kurtosis/benchmark/benchmark.native.js | 3 +- .../triangular/logcdf/benchmark/benchmark.js | 3 +- .../logcdf/benchmark/benchmark.native.js | 3 +- .../triangular/logpdf/benchmark/benchmark.js | 3 +- .../logpdf/benchmark/benchmark.native.js | 5 +- .../mean/benchmark/benchmark.native.js | 3 +- .../median/benchmark/benchmark.native.js | 3 +- .../triangular/mgf/benchmark/benchmark.js | 3 +- .../mgf/benchmark/benchmark.native.js | 3 +- .../mode/benchmark/benchmark.native.js | 3 +- .../triangular/pdf/benchmark/benchmark.js | 3 +- .../pdf/benchmark/benchmark.native.js | 3 +- .../quantile/benchmark/benchmark.js | 3 +- .../quantile/benchmark/benchmark.native.js | 3 +- .../skewness/benchmark/benchmark.native.js | 3 +- .../stdev/benchmark/benchmark.native.js | 3 +- .../variance/benchmark/benchmark.native.js | 14 +- .../stats/base/ndarray/dmaxabs/README.md | 149 +++++++- .../ndarray/dmaxabs/benchmark/benchmark.js | 5 +- .../dmaxabs/benchmark/benchmark.native.js | 114 ++++++ .../base/ndarray/dmaxabs/benchmark/c/Makefile | 146 ++++++++ .../dmaxabs/benchmark/c/benchmark.length.c | 185 ++++++++++ .../stats/base/ndarray/dmaxabs/binding.gyp | 170 +++++++++ .../base/ndarray/dmaxabs/examples/c/Makefile | 146 ++++++++ .../base/ndarray/dmaxabs/examples/c/example.c | 74 ++++ .../stats/base/ndarray/dmaxabs/include.gypi | 53 +++ .../stdlib/stats/base/ndarray/dmaxabs.h | 40 +++ .../stats/base/ndarray/dmaxabs/lib/index.js | 16 +- .../stats/base/ndarray/dmaxabs/lib/native.js | 55 +++ .../stats/base/ndarray/dmaxabs/manifest.json | 110 ++++++ .../stats/base/ndarray/dmaxabs/package.json | 4 + .../stats/base/ndarray/dmaxabs/src/Makefile | 70 ++++ .../stats/base/ndarray/dmaxabs/src/addon.c | 58 +++ .../stats/base/ndarray/dmaxabs/src/main.c | 33 ++ .../stats/base/ndarray/dmaxabs/test/test.js | 152 ++------ .../base/ndarray/dmaxabs/test/test.main.js | 172 +++++++++ .../base/ndarray/dmaxabs/test/test.native.js | 181 ++++++++++ .../strided/distances/dcanberra/README.md | 336 ++++++++++++++++++ .../dcanberra/benchmark/benchmark.js | 104 ++++++ .../dcanberra/benchmark/benchmark.native.js | 109 ++++++ .../dcanberra/benchmark/benchmark.ndarray.js | 104 ++++++ .../benchmark/benchmark.ndarray.native.js | 109 ++++++ .../distances/dcanberra/benchmark/c/Makefile | 146 ++++++++ .../dcanberra/benchmark/c/benchmark.length.c | 205 +++++++++++ .../strided/distances/dcanberra/binding.gyp | 265 ++++++++++++++ .../strided/distances/dcanberra/docs/repl.txt | 110 ++++++ .../distances/dcanberra/docs/types/index.d.ts | 103 ++++++ .../distances/dcanberra/docs/types/test.ts | 248 +++++++++++++ .../distances/dcanberra/examples/c/Makefile | 146 ++++++++ .../distances/dcanberra/examples/c/example.c | 45 +++ .../distances/dcanberra/examples/index.js | 34 ++ .../strided/distances/dcanberra/include.gypi | 70 ++++ .../stats/strided/distances/dcanberra.h | 45 +++ .../distances/dcanberra/lib/dcanberra.js | 57 +++ .../dcanberra/lib/dcanberra.native.js | 54 +++ .../strided/distances/dcanberra/lib/index.js | 70 ++++ .../strided/distances/dcanberra/lib/main.js | 35 ++ .../strided/distances/dcanberra/lib/native.js | 35 ++ .../distances/dcanberra/lib/ndarray.js | 86 +++++ .../distances/dcanberra/lib/ndarray.native.js | 56 +++ .../strided/distances/dcanberra/manifest.json | 103 ++++++ .../strided/distances/dcanberra/package.json | 74 ++++ .../strided/distances/dcanberra/src/Makefile | 70 ++++ .../strided/distances/dcanberra/src/addon.c | 66 ++++ .../strided/distances/dcanberra/src/main.c | 74 ++++ .../dcanberra/test/test.dcanberra.js | 217 +++++++++++ .../dcanberra/test/test.dcanberra.native.js | 226 ++++++++++++ .../strided/distances/dcanberra/test/test.js | 82 +++++ .../distances/dcanberra/test/test.ndarray.js | 240 +++++++++++++ 73 files changed, 5599 insertions(+), 168 deletions(-) create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/c/benchmark.length.c create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/binding.gyp create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/include.gypi create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/include/stdlib/stats/base/ndarray/dmaxabs.h create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/lib/native.js create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/manifest.json create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/Makefile create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/addon.c create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/main.c create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.main.js create mode 100644 lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.native.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/README.md create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.native.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.ndarray.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.ndarray.native.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/c/benchmark.length.c create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/binding.gyp create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/repl.txt create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/types/index.d.ts create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/types/test.ts create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/c/Makefile create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/c/example.c create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/index.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/include.gypi create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/include/stdlib/stats/strided/distances/dcanberra.h create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/lib/dcanberra.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/lib/dcanberra.native.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/lib/index.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/lib/main.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/lib/native.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/lib/ndarray.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/lib/ndarray.native.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/manifest.json create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/package.json create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/Makefile create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/addon.c create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/main.c create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.dcanberra.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.dcanberra.native.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.js create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.ndarray.js diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/cdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/cdf/benchmark/benchmark.js index 8513afa7ce79..e0b385d2347b 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/cdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/cdf/benchmark/benchmark.js @@ -25,6 +25,7 @@ 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 format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var cdf = require( './../lib' ); @@ -67,7 +68,7 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s::factory', pkg ), function benchmark( b ) { var mycdf; var mode; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/cdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/cdf/benchmark/benchmark.native.js index 6066b50d39fc..e72da345a366 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/cdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/cdf/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var uniform = require( '@stdlib/random/base/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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var min; var max; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/ctor/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/ctor/benchmark/benchmark.js index 41098d79b7b7..7786649257ac 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/ctor/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/ctor/benchmark/benchmark.js @@ -24,13 +24,14 @@ var bench = require( '@stdlib/bench' ); var randu = require( '@stdlib/random/base/randu' ); 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 Triangular = require( './../lib' ); // MAIN // -bench( pkg+'::instantiation', function benchmark( bm ) { +bench( format( '%s::instantiation', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -55,7 +56,7 @@ bench( pkg+'::instantiation', function benchmark( bm ) { bm.end(); }); -bench( pkg+'::get:a', function benchmark( bm ) { +bench( format( '%s::get:a', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -83,7 +84,7 @@ bench( pkg+'::get:a', function benchmark( bm ) { bm.end(); }); -bench( pkg+'::set:a', function benchmark( bm ) { +bench( format( '%s::set:a', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -112,7 +113,7 @@ bench( pkg+'::set:a', function benchmark( bm ) { bm.end(); }); -bench( pkg+'::get:b', function benchmark( bm ) { +bench( format( '%s::get:b', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -140,7 +141,7 @@ bench( pkg+'::get:b', function benchmark( bm ) { bm.end(); }); -bench( pkg+'::set:b', function benchmark( bm ) { +bench( format( '%s::set:b', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -169,7 +170,7 @@ bench( pkg+'::set:b', function benchmark( bm ) { bm.end(); }); -bench( pkg+'::get:c', function benchmark( bm ) { +bench( format( '%s::get:c', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -197,7 +198,7 @@ bench( pkg+'::get:c', function benchmark( bm ) { bm.end(); }); -bench( pkg+'::set:c', function benchmark( bm ) { +bench( format( '%s::set:c', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -226,7 +227,7 @@ bench( pkg+'::set:c', function benchmark( bm ) { bm.end(); }); -bench( pkg+':entropy', function benchmark( bm ) { +bench( format( '%s:entropy', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -255,7 +256,7 @@ bench( pkg+':entropy', function benchmark( bm ) { bm.end(); }); -bench( pkg+':kurtosis', function benchmark( bm ) { +bench( format( '%s:kurtosis', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -284,7 +285,7 @@ bench( pkg+':kurtosis', function benchmark( bm ) { bm.end(); }); -bench( pkg+':mean', function benchmark( bm ) { +bench( format( '%s:mean', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -313,7 +314,7 @@ bench( pkg+':mean', function benchmark( bm ) { bm.end(); }); -bench( pkg+':median', function benchmark( bm ) { +bench( format( '%s:median', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -342,7 +343,7 @@ bench( pkg+':median', function benchmark( bm ) { bm.end(); }); -bench( pkg+':skewness', function benchmark( bm ) { +bench( format( '%s:skewness', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -371,7 +372,7 @@ bench( pkg+':skewness', function benchmark( bm ) { bm.end(); }); -bench( pkg+':stdev', function benchmark( bm ) { +bench( format( '%s:stdev', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -400,7 +401,7 @@ bench( pkg+':stdev', function benchmark( bm ) { bm.end(); }); -bench( pkg+':variance', function benchmark( bm ) { +bench( format( '%s:variance', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -429,7 +430,7 @@ bench( pkg+':variance', function benchmark( bm ) { bm.end(); }); -bench( pkg+':cdf', function benchmark( bm ) { +bench( format( '%s:cdf', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -459,7 +460,7 @@ bench( pkg+':cdf', function benchmark( bm ) { bm.end(); }); -bench( pkg+':mgf', function benchmark( bm ) { +bench( format( '%s:mgf', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -489,7 +490,7 @@ bench( pkg+':mgf', function benchmark( bm ) { bm.end(); }); -bench( pkg+':pdf', function benchmark( bm ) { +bench( format( '%s:pdf', pkg ), function benchmark( bm ) { var dist; var a; var b; @@ -519,7 +520,7 @@ bench( pkg+':pdf', function benchmark( bm ) { bm.end(); }); -bench( pkg+':quantile', function benchmark( bm ) { +bench( format( '%s:quantile', pkg ), function benchmark( bm ) { var dist; var a; var b; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/entropy/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/entropy/benchmark/benchmark.native.js index 8260f4e7be0f..a00a3203410e 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/entropy/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/entropy/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var randu = require( '@stdlib/random/base/randu' ); 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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var len; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/kurtosis/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/kurtosis/benchmark/benchmark.native.js index ad4a5ec1df15..45782baa30d2 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/kurtosis/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/kurtosis/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var randu = require( '@stdlib/random/base/randu' ); 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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var len; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/logcdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/logcdf/benchmark/benchmark.js index 414489d9cd3e..f36fb6569aa9 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/logcdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/logcdf/benchmark/benchmark.js @@ -25,6 +25,7 @@ var uniform = require( '@stdlib/random/base/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var Float64Array = require( '@stdlib/array/float64' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var logcdf = require( './../lib' ); @@ -67,7 +68,7 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s::factory', pkg ), function benchmark( b ) { var mylogcdf; var mode; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/logcdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/logcdf/benchmark/benchmark.native.js index 278264aa095e..abb261ec6b18 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/logcdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/logcdf/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var uniform = require( '@stdlib/random/base/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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var min; var max; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/logpdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/logpdf/benchmark/benchmark.js index 00de00352873..5b34f0b2a323 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/logpdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/logpdf/benchmark/benchmark.js @@ -25,6 +25,7 @@ var uniform = require( '@stdlib/random/base/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var Float64Array = require( '@stdlib/array/float64' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var logpdf = require( './../lib' ); @@ -67,7 +68,7 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s::factory', pkg ), function benchmark( b ) { var mylogpdf; var mode; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/logpdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/logpdf/benchmark/benchmark.native.js index 9a84b8a9ec97..90e0c0018a12 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/logpdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/logpdf/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var uniform = require( '@stdlib/random/base/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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var min; var max; @@ -58,7 +59,7 @@ bench( pkg+'::native', opts, function benchmark( b ) { x[ i ] = uniform( 0.0, 30.0 ); min[ i ] = uniform( 0.0, 10.0 ); max[ i ] = uniform( min[ i ] + EPS, 40.0 + EPS + min[ i ] ); - mode[ i ] = uniform( max[ i ], max[ i ] ); + mode[ i ] = uniform( min[ i ], max[ i ] ); } b.tic(); diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/mean/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/mean/benchmark/benchmark.native.js index 6b6f9fb39663..167bf8f21df9 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/mean/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/mean/benchmark/benchmark.native.js @@ -26,6 +26,7 @@ var Float64Array = require( '@stdlib/array/float64' ); var randu = require( '@stdlib/random/base/randu' ); 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; @@ -39,7 +40,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var bnd; var len; var a; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/median/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/median/benchmark/benchmark.native.js index ad4a5ec1df15..45782baa30d2 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/median/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/median/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var randu = require( '@stdlib/random/base/randu' ); 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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var len; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/benchmark/benchmark.js index 90d2cc2b940e..bf41a809f52f 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/benchmark/benchmark.js @@ -25,6 +25,7 @@ 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 format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var mgf = require( './../lib' ); @@ -68,7 +69,7 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s::factory', pkg ), function benchmark( b ) { var mymgf; var mode; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/benchmark/benchmark.native.js index f1d1571d782e..4813f2f467c3 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/mgf/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var uniform = require( '@stdlib/random/base/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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var min; var max; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/mode/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/mode/benchmark/benchmark.native.js index 66d669f8c681..cfa5422145b0 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/mode/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/mode/benchmark/benchmark.native.js @@ -26,6 +26,7 @@ var Float64Array = require( '@stdlib/array/float64' ); var randu = require( '@stdlib/random/base/randu' ); 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; @@ -39,7 +40,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var bnd; var len; var a; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/pdf/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/pdf/benchmark/benchmark.js index 2009ea83885a..fd4aabd2920f 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/pdf/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/pdf/benchmark/benchmark.js @@ -25,6 +25,7 @@ var randu = require( '@stdlib/random/base/randu' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var Float64Array = require( '@stdlib/array/float64' ); var EPS = require( '@stdlib/constants/float64/eps' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var pdf = require( './../lib' ); @@ -68,7 +69,7 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s::factory', pkg ), function benchmark( b ) { var mypdf; var mode; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/pdf/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/pdf/benchmark/benchmark.native.js index 4020e9d53bf7..cd9c3f292fb5 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/pdf/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/pdf/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var randu = require( '@stdlib/random/base/randu' ); 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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var min; var max; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/quantile/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/quantile/benchmark/benchmark.js index 1c9bcc43779a..5b84429055a6 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/quantile/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/quantile/benchmark/benchmark.js @@ -25,6 +25,7 @@ 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 format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; var quantile = require( './../lib' ); @@ -67,7 +68,7 @@ bench( pkg, function benchmark( b ) { b.end(); }); -bench( pkg+':factory', function benchmark( b ) { +bench( format( '%s::factory', pkg ), function benchmark( b ) { var myquantile; var mode; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/quantile/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/quantile/benchmark/benchmark.native.js index 9c1946988e86..2332d4ca0b45 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/quantile/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/quantile/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var uniform = require( '@stdlib/random/base/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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var len; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/skewness/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/skewness/benchmark/benchmark.native.js index 5442da8fc712..004109af4854 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/skewness/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/skewness/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var randu = require( '@stdlib/random/base/randu' ); 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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var len; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/stdev/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/stdev/benchmark/benchmark.native.js index eece5edb2784..bab8bb3b33ba 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/stdev/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/stdev/benchmark/benchmark.native.js @@ -27,6 +27,7 @@ var randu = require( '@stdlib/random/base/randu' ); 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; @@ -40,7 +41,7 @@ var opts = { // MAIN // -bench( pkg+'::native', opts, function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var len; var min; diff --git a/lib/node_modules/@stdlib/stats/base/dists/triangular/variance/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/dists/triangular/variance/benchmark/benchmark.native.js index 88ab58c393fc..8ea1de7502ed 100644 --- a/lib/node_modules/@stdlib/stats/base/dists/triangular/variance/benchmark/benchmark.native.js +++ b/lib/node_modules/@stdlib/stats/base/dists/triangular/variance/benchmark/benchmark.native.js @@ -20,17 +20,27 @@ // 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 tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; -var variance = require( './../lib' ); + + +// VARIABLES // + +var variance = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( variance instanceof Error ) +}; // MAIN // -bench( pkg+'::native', function benchmark( b ) { +bench( format( '%s::native', pkg ), opts, function benchmark( b ) { var mode; var min; var max; diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/README.md b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/README.md index 11d0398d4d6a..7d082dd4ec55 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/README.md +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/README.md @@ -2,7 +2,7 @@ @license Apache-2.0 -Copyright (c) 2025 The Stdlib Authors. +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. @@ -95,6 +95,153 @@ console.log( v ); + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/base/ndarray/dmaxabs.h" +``` + +#### stdlib_stats_dmaxabs( arrays ) + +Computes the maximum absolute value of a one-dimensional double-precision floating-point ndarray. + +```c +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include + +// Create an ndarray: +const double data[] = { 1.0, -2.0, 3.0, -4.0 }; +int64_t shape[] = { 4 }; +int64_t strides[] = { STDLIB_NDARRAY_FLOAT64_BYTES_PER_ELEMENT }; +int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + +struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT64, (uint8_t *)data, 1, shape, strides, 0, STDLIB_NDARRAY_ROW_MAJOR, STDLIB_NDARRAY_INDEX_ERROR, 1, submodes ); + +// Compute the maximum absolute value: +const struct ndarray *arrays[] = { x }; +double v = stdlib_stats_dmaxabs( arrays ); +// returns 4.0 + +// Free allocated memory: +stdlib_ndarray_free( x ); +``` + +The function accepts the following arguments: + +- **arrays**: `[in] struct ndarray**` list containing a one-dimensional input ndarray. + +```c +double stdlib_stats_dmaxabs( const struct ndarray *arrays[] ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/base/ndarray/dmaxabs.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include +#include + +int main( void ) { + // Create a data buffer: + const double data[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + + // Specify the number of array dimensions: + const int64_t ndims = 1; + + // Specify the array shape: + int64_t shape[] = { 4 }; + + // Specify the array strides: + int64_t strides[] = { 2*STDLIB_NDARRAY_FLOAT64_BYTES_PER_ELEMENT }; + + // Specify the byte offset: + const int64_t offset = 0; + + // Specify the array order: + const enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + + // Specify the index mode: + const enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + + // Specify the subscript index modes: + int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + const int64_t nsubmodes = 1; + + // Create an ndarray: + struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT64, (uint8_t *)data, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( x == NULL ) { + fprintf( stderr, "Error allocating memory.\n" ); + exit( 1 ); + } + + // Define a list of ndarrays: + const struct ndarray *arrays[] = { x }; + + // Compute the maximum absolute value: + double v = stdlib_stats_dmaxabs( arrays ); + + // Print the result: + printf( "maxabs: %lf\n", v ); + + // Free allocated memory: + stdlib_ndarray_free( x ); +} +``` + +
+ + + +
+ + +
diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/benchmark.js index 5b10e38eee2c..addb4f0211e5 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/benchmark.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/benchmark.js @@ -25,8 +25,9 @@ var uniform = require( '@stdlib/random/array/uniform' ); var isnan = require( '@stdlib/math/base/assert/is-nan' ); var pow = require( '@stdlib/math/base/special/pow' ); var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var format = require( '@stdlib/string/format' ); var pkg = require( './../package.json' ).name; -var dmaxabs = require( './../lib' ); +var dmaxabs = require( './../lib/main.js' ); // VARIABLES // @@ -101,7 +102,7 @@ function main() { for ( i = min; i <= max; i++ ) { len = pow( 10, i ); f = createBenchmark( len ); - bench( pkg+':len='+len, f ); + bench( format( '%s:len=%d', pkg, len ), f ); } } diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/benchmark.native.js new file mode 100644 index 000000000000..bb4f7b89b694 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/benchmark.native.js @@ -0,0 +1,114 @@ +/** +* @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 pow = require( '@stdlib/math/base/special/pow' ); +var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var format = require( '@stdlib/string/format' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var dmaxabs = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( dmaxabs instanceof Error ) +}; +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var xbuf; + var x; + + xbuf = uniform( len, -10.0, 10.0, options ); + x = new ndarray( options.dtype, xbuf, [ len ], [ 1 ], 0, 'row-major' ); + + 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 = dmaxabs( [ x ] ); + if ( isnan( v ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( 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:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/c/Makefile new file mode 100644 index 000000000000..0756dc7da20a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/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/base/ndarray/dmaxabs/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/c/benchmark.length.c new file mode 100644 index 000000000000..aa562e843374 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/benchmark/c/benchmark.length.c @@ -0,0 +1,185 @@ +/** +* @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/ndarray/dmaxabs.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include +#include +#include +#include +#include + +#define NAME "dmaxabs" +#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 double rand_double( void ) { + int r = rand(); + return (double)r / ( (double)RAND_MAX + 1.0 ); +} + +/** +* Runs a benchmark. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark( int iterations, int len ) { + enum STDLIB_NDARRAY_INDEX_MODE imode; + const struct ndarray *arrays[ 1 ]; + enum STDLIB_NDARRAY_ORDER order; + int8_t submodes[ 1 ]; + int64_t strides[ 1 ]; + int64_t shape[ 1 ]; + int64_t nsubmodes; + struct ndarray *x; + int64_t offset; + double elapsed; + int64_t ndims; + double *data; + double v; + double t; + int i; + + ndims = 1; + shape[ 0 ] = len; + strides[ 0 ] = STDLIB_NDARRAY_FLOAT64_BYTES_PER_ELEMENT; + offset = 0; + order = STDLIB_NDARRAY_ROW_MAJOR; + imode = STDLIB_NDARRAY_INDEX_ERROR; + submodes[ 0 ] = imode; + nsubmodes = 1; + + data = (double *) malloc( len * sizeof( double ) ); + for ( i = 0; i < len; i++ ) { + data[ i ] = ( rand_double() * 20000.0 ) - 10000.0; + } + // cppcheck-suppress invalidPointerCast + x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT64, (uint8_t *)data, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + arrays[ 0 ] = x; + + v = 0.0; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + v = stdlib_stats_dmaxabs( arrays ); + if ( v != v ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( v != v ) { + printf( "should not return NaN\n" ); + } + stdlib_ndarray_free( x ); + free( data ); + arrays[ 0 ] = NULL; + + 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 = benchmark( 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/base/ndarray/dmaxabs/binding.gyp b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/binding.gyp new file mode 100644 index 000000000000..0d6508a12e99 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/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/ndarray/dmaxabs/examples/c/Makefile b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/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/ndarray/dmaxabs/examples/c/example.c b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/examples/c/example.c new file mode 100644 index 000000000000..fcb5c025c68b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/examples/c/example.c @@ -0,0 +1,74 @@ +/** +* @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/ndarray/dmaxabs.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/dtypes.h" +#include "stdlib/ndarray/index_modes.h" +#include "stdlib/ndarray/orders.h" +#include "stdlib/ndarray/base/bytes_per_element.h" +#include +#include +#include + +int main( void ) { + // Create a data buffer: + const double data[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + + // Specify the number of array dimensions: + const int64_t ndims = 1; + + // Specify the array shape: + int64_t shape[] = { 4 }; + + // Specify the array strides: + int64_t strides[] = { 2*STDLIB_NDARRAY_FLOAT64_BYTES_PER_ELEMENT }; + + // Specify the byte offset: + const int64_t offset = 0; + + // Specify the array order: + const enum STDLIB_NDARRAY_ORDER order = STDLIB_NDARRAY_ROW_MAJOR; + + // Specify the index mode: + const enum STDLIB_NDARRAY_INDEX_MODE imode = STDLIB_NDARRAY_INDEX_ERROR; + + // Specify the subscript index modes: + int8_t submodes[] = { STDLIB_NDARRAY_INDEX_ERROR }; + const int64_t nsubmodes = 1; + + // Create an ndarray: + // cppcheck-suppress invalidPointerCast + struct ndarray *x = stdlib_ndarray_allocate( STDLIB_NDARRAY_FLOAT64, (uint8_t *)data, ndims, shape, strides, offset, order, imode, nsubmodes, submodes ); + if ( x == NULL ) { + fprintf( stderr, "Error allocating memory.\n" ); + exit( 1 ); + } + + // Define a list of ndarrays: + const struct ndarray *arrays[] = { x }; + + // Compute the maximum absolute value: + double v = stdlib_stats_dmaxabs( arrays ); + + // Print the result: + printf( "maxabs: %lf\n", v ); + + // Free allocated memory: + stdlib_ndarray_free( x ); +} diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/include.gypi b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/include.gypi new file mode 100644 index 000000000000..bee8d41a2caf --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/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': [ + '} arrays - array-like object containing an input ndarray +* @returns {number} maximum absolute value +* +* @example +* var Float64Array = require( '@stdlib/array/float64' ); +* var ndarray = require( '@stdlib/ndarray/base/ctor' ); +* +* var xbuf = new Float64Array( [ 1.0, -3.0, 4.0, -2.0 ] ); +* var x = new ndarray( 'float64', xbuf, [ 4 ], [ 1 ], 0, 'row-major' ); +* +* var v = dmaxabs( [ x ] ); +* // returns 4.0 +*/ +function dmaxabs( arrays ) { + var x = arrays[ 0 ]; + return addon( getData( x ), serialize( x ) ); +} + + +// EXPORTS // + +module.exports = dmaxabs; diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/manifest.json b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/manifest.json new file mode 100644 index 000000000000..f4b63efd756b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/manifest.json @@ -0,0 +1,110 @@ +{ + "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/stats/strided/dmaxabs", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/base/napi/addon-arguments", + "@stdlib/napi/export", + "@stdlib/napi/argv", + "@stdlib/napi/create-double" + ] + }, + { + "task": "benchmark", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/stats/strided/dmaxabs", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/dtypes", + "@stdlib/ndarray/index-modes", + "@stdlib/ndarray/orders", + "@stdlib/ndarray/base/bytes-per-element" + ] + }, + { + "task": "examples", + "wasm": false, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/stats/strided/dmaxabs", + "@stdlib/ndarray/ctor", + "@stdlib/ndarray/dtypes", + "@stdlib/ndarray/index-modes", + "@stdlib/ndarray/orders", + "@stdlib/ndarray/base/bytes-per-element" + ] + }, + { + "task": "", + "wasm": true, + "src": [ + "./src/main.c" + ], + "include": [ + "./include" + ], + "libraries": [], + "libpath": [], + "dependencies": [ + "@stdlib/blas/base/shared", + "@stdlib/stats/strided/dmaxabs", + "@stdlib/ndarray/ctor" + ] + } + ] +} diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/package.json b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/package.json index 4809b3d07914..51abcb3a631e 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/package.json +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/package.json @@ -14,11 +14,15 @@ } ], "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", diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/Makefile b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/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/ndarray/dmaxabs/src/addon.c b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/addon.c new file mode 100644 index 000000000000..be5528158b27 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/addon.c @@ -0,0 +1,58 @@ +/** +* @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/ndarray/dmaxabs.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/ndarray/base/napi/addon_arguments.h" +#include "stdlib/napi/export.h" +#include "stdlib/napi/argv.h" +#include "stdlib/napi/create_double.h" +#include +#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, 2 ); + + // Process provided arguments: + struct ndarray *arrays[ 1 ]; + napi_value err; + napi_status status = stdlib_ndarray_napi_addon_arguments( env, argv, 2, 1, arrays, &err ); + assert( status == napi_ok ); + if ( err != NULL ) { + status = napi_throw( env, err ); + assert( status == napi_ok ); + return NULL; + } + // Perform computation: + STDLIB_NAPI_CREATE_DOUBLE( env, stdlib_stats_dmaxabs( arrays ), v ); + + // Free allocated memory: + stdlib_ndarray_free( arrays[ 0 ] ); + arrays[ 0 ] = NULL; + + return v; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN( addon ) diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/main.c b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/main.c new file mode 100644 index 000000000000..1b1a125c8f40 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/src/main.c @@ -0,0 +1,33 @@ +/** +* @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/ndarray/dmaxabs.h" +#include "stdlib/stats/strided/dmaxabs.h" +#include "stdlib/ndarray/ctor.h" +#include "stdlib/blas/base/shared.h" + +/** +* Computes the maximum absolute value of a one-dimensional double-precision floating-point ndarray. +* +* @param arrays list containing an input ndarray +* @return maximum absolute value +*/ +double stdlib_stats_dmaxabs( const struct ndarray *arrays[] ) { + const struct ndarray *x = arrays[ 0 ]; +return API_SUFFIX(stdlib_strided_dmaxabs_ndarray)( stdlib_ndarray_dimension( x, 0 ), (const double *)stdlib_ndarray_data( x ), stdlib_ndarray_stride_elements( x, 0 ), stdlib_ndarray_offset_elements( x ) ); +} diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.js b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.js index 8e2f1abd0efc..f694b5e8b6fa 100644 --- a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.js +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.js @@ -21,28 +21,16 @@ // MODULES // var tape = require( 'tape' ); -var isnan = require( '@stdlib/math/base/assert/is-nan' ); -var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' ); -var Float64Array = require( '@stdlib/array/float64' ); -var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var proxyquire = require( 'proxyquire' ); +var IS_BROWSER = require( '@stdlib/assert/is-browser' ); var dmaxabs = require( './../lib' ); -// FUNCTIONS // +// VARIABLES // -/** -* Returns a one-dimensional ndarray. -* -* @private -* @param {Collection} buffer - underlying data buffer -* @param {NonNegativeInteger} length - number of indexed elements -* @param {integer} stride - stride length -* @param {NonNegativeInteger} offset - index offset -* @returns {ndarray} one-dimensional ndarray -*/ -function vector( buffer, length, stride, offset ) { - return new ndarray( 'float64', buffer, [ length ], [ stride ], offset, 'row-major' ); -} +var opts = { + 'skip': IS_BROWSER +}; // TESTS // @@ -53,121 +41,37 @@ tape( 'main export is a function', function test( t ) { t.end(); }); -tape( 'the function has an arity of 1', function test( t ) { - t.strictEqual( dmaxabs.length, 1, 'has expected arity' ); - t.end(); -}); - -tape( 'the function calculates the maximum absolute value of a one-dimensional ndarray', function test( t ) { - var x; - var v; - - x = new Float64Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ); - v = dmaxabs( [ vector( x, 6, 1, 0 ) ] ); - t.strictEqual( v, 5.0, 'returns expected value' ); - - x = new Float64Array( [ -4.0, -5.0 ] ); - v = dmaxabs( [ vector( x, 2, 1, 0 ) ] ); - t.strictEqual( v, 5.0, 'returns expected value' ); - - x = new Float64Array( [ -0.0, 0.0, -0.0 ] ); - v = dmaxabs( [ vector( x, 3, 1, 0 ) ] ); - t.strictEqual( isPositiveZero( v ), true, 'returns expected value' ); - - x = new Float64Array( [ NaN ] ); - v = dmaxabs( [ vector( x, 1, 1, 0 ) ] ); - t.strictEqual( isnan( v ), true, 'returns expected value' ); - - x = new Float64Array( [ NaN, NaN ] ); - v = dmaxabs( [ vector( x, 2, 1, 0 ) ] ); - t.strictEqual( isnan( v ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'if provided an empty ndarray, the function returns `NaN`', function test( t ) { - var x; - var v; - - x = new Float64Array( [] ); - - v = dmaxabs( [ vector( x, 0, 1, 0 ) ] ); - t.strictEqual( isnan( v ), true, 'returns expected value' ); - - t.end(); -}); - -tape( 'if provided an ndarray containing a single element, the function returns that element', function test( t ) { - var x; - var v; - - x = new Float64Array( [ 1.0 ] ); - - v = dmaxabs( [ vector( x, 1, 1, 0 ) ] ); - t.strictEqual( v, 1.0, 'returns expected value' ); +tape( 'if a native implementation is available, the main export is the native implementation', opts, function test( t ) { + var dmaxabs = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + t.strictEqual( dmaxabs, mock, 'returns expected value' ); t.end(); -}); -tape( 'the function supports one-dimensional ndarrays having non-unit strides', function test( t ) { - var x; - var v; + function tryRequire() { + return mock; + } - x = new Float64Array([ - 1.0, // 0 - 2.0, - 2.0, // 1 - -7.0, - -2.0, // 2 - 3.0, - 4.0, // 3 - 2.0 - ]); - - v = dmaxabs( [ vector( x, 4, 2, 0 ) ] ); - - t.strictEqual( v, 4.0, 'returns expected value' ); - t.end(); + function mock() { + // Mock... + } }); -tape( 'the function supports one-dimensional ndarrays having negative strides', function test( t ) { - var x; - var v; +tape( 'if a native implementation is not available, the main export is a JavaScript implementation', opts, function test( t ) { + var dmaxabs; + var main; - x = new Float64Array([ - 1.0, // 3 - 2.0, - 2.0, // 2 - -7.0, - -2.0, // 1 - 3.0, - 4.0, // 0 - 2.0 - ]); + main = require( './../lib/main.js' ); - v = dmaxabs( [ vector( x, 4, -2, 6 ) ] ); + dmaxabs = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); - t.strictEqual( v, 4.0, 'returns expected value' ); + t.strictEqual( dmaxabs, main, 'returns expected value' ); t.end(); -}); -tape( 'the function supports one-dimensional ndarrays having non-zero offsets', function test( t ) { - var x; - var v; - - x = new Float64Array([ - 2.0, - 1.0, // 0 - 2.0, - -2.0, // 1 - -2.0, - 2.0, // 2 - 3.0, - 4.0 // 3 - ]); - - v = dmaxabs( [ vector( x, 4, 2, 1 ) ] ); - t.strictEqual( v, 4.0, 'returns expected value' ); - - t.end(); + function tryRequire() { + return new Error( 'Cannot find module' ); + } }); diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.main.js b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.main.js new file mode 100644 index 000000000000..a580bd6810db --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.main.js @@ -0,0 +1,172 @@ +/** +* @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 Float64Array = require( '@stdlib/array/float64' ); +var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var dmaxabs = require( './../lib/main.js' ); + + +// FUNCTIONS // + +/** +* Returns a one-dimensional ndarray. +* +* @private +* @param {Float64Array} buffer - underlying data buffer +* @param {NonNegativeInteger} length - number of indexed elements +* @param {integer} stride - stride length +* @param {NonNegativeInteger} offset - index offset +* @returns {ndarray} one-dimensional ndarray +*/ +function vector( buffer, length, stride, offset ) { + return new ndarray( 'float64', buffer, [ length ], [ stride ], offset, 'row-major' ); +} + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dmaxabs, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 1', function test( t ) { + t.strictEqual( dmaxabs.length, 1, 'has expected arity' ); + t.end(); +}); + +tape( 'the function calculates the maximum absolute value of a one-dimensional ndarray', function test( t ) { + var x; + var v; + + x = new Float64Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ); + v = dmaxabs( [ vector( x, 6, 1, 0 ) ] ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + x = new Float64Array( [ -4.0, -5.0 ] ); + v = dmaxabs( [ vector( x, 2, 1, 0 ) ] ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + x = new Float64Array( [ -0.0, 0.0, -0.0 ] ); + v = dmaxabs( [ vector( x, 3, 1, 0 ) ] ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float64Array( [ NaN ] ); + v = dmaxabs( [ vector( x, 1, 1, 0 ) ] ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + + x = new Float64Array( [ NaN, NaN ] ); + v = dmaxabs( [ vector( x, 2, 1, 0 ) ] ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an empty ndarray, the function returns `NaN`', function test( t ) { + var x; + var v; + + x = new Float64Array( [] ); + + v = dmaxabs( [ vector( x, 0, 1, 0 ) ] ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an ndarray containing a single element, the function returns its absolute value', function test( t ) { + var x; + var v; + + x = new Float64Array( [ -3.0 ] ); + + v = dmaxabs( [ vector( x, 1, 1, 0 ) ] ); + t.strictEqual( v, 3.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having non-unit strides', function test( t ) { + var x; + var v; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 2.0, // 1 + -7.0, + -2.0, // 2 + 3.0, + 4.0, // 3 + 2.0 + ]); + + v = dmaxabs( [ vector( x, 4, 2, 0 ) ] ); + t.strictEqual( v, 4.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having negative strides', function test( t ) { + var x; + var v; + + x = new Float64Array([ + 1.0, // 3 + 2.0, + 2.0, // 2 + -7.0, + -2.0, // 1 + 3.0, + 4.0, // 0 + 2.0 + ]); + + v = dmaxabs( [ vector( x, 4, -2, 6 ) ] ); + t.strictEqual( v, 4.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having non-zero offsets', function test( t ) { + var x; + var v; + + x = new Float64Array([ + 2.0, + 1.0, // 0 + 2.0, + -2.0, // 1 + -2.0, + 2.0, // 2 + 3.0, + 4.0 // 3 + ]); + + v = dmaxabs( [ vector( x, 4, 2, 1 ) ] ); + t.strictEqual( v, 4.0, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.native.js b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.native.js new file mode 100644 index 000000000000..e1f029496c3f --- /dev/null +++ b/lib/node_modules/@stdlib/stats/base/ndarray/dmaxabs/test/test.native.js @@ -0,0 +1,181 @@ +/** +* @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 isnan = require( '@stdlib/math/base/assert/is-nan' ); +var Float64Array = require( '@stdlib/array/float64' ); +var ndarray = require( '@stdlib/ndarray/base/ctor' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var dmaxabs = tryRequire( resolve( __dirname, './../lib/native.js' ) ); +var opts = { + 'skip': ( dmaxabs instanceof Error ) +}; + + +// FUNCTIONS // + +/** +* Returns a one-dimensional ndarray. +* +* @private +* @param {Float64Array} buffer - underlying data buffer +* @param {NonNegativeInteger} length - number of indexed elements +* @param {integer} stride - stride length +* @param {NonNegativeInteger} offset - index offset +* @returns {ndarray} one-dimensional ndarray +*/ +function vector( buffer, length, stride, offset ) { + return new ndarray( 'float64', buffer, [ length ], [ stride ], offset, 'row-major' ); +} + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dmaxabs, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 1', opts, function test( t ) { + t.strictEqual( dmaxabs.length, 1, 'has expected arity' ); + t.end(); +}); + +tape( 'the function calculates the maximum absolute value of a one-dimensional ndarray', opts, function test( t ) { + var x; + var v; + + x = new Float64Array( [ 1.0, -2.0, -4.0, 5.0, 0.0, 3.0 ] ); + v = dmaxabs( [ vector( x, 6, 1, 0 ) ] ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + x = new Float64Array( [ -4.0, -5.0 ] ); + v = dmaxabs( [ vector( x, 2, 1, 0 ) ] ); + t.strictEqual( v, 5.0, 'returns expected value' ); + + x = new Float64Array( [ -0.0, 0.0, -0.0 ] ); + v = dmaxabs( [ vector( x, 3, 1, 0 ) ] ); + t.strictEqual( v, 0.0, 'returns expected value' ); + + x = new Float64Array( [ NaN ] ); + v = dmaxabs( [ vector( x, 1, 1, 0 ) ] ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + + x = new Float64Array( [ NaN, NaN ] ); + v = dmaxabs( [ vector( x, 2, 1, 0 ) ] ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an empty ndarray, the function returns `NaN`', opts, function test( t ) { + var x; + var v; + + x = new Float64Array( [] ); + + v = dmaxabs( [ vector( x, 0, 1, 0 ) ] ); + t.strictEqual( isnan( v ), true, 'returns expected value' ); + + t.end(); +}); + +tape( 'if provided an ndarray containing a single element, the function returns its absolute value', opts, function test( t ) { + var x; + var v; + + x = new Float64Array( [ -3.0 ] ); + + v = dmaxabs( [ vector( x, 1, 1, 0 ) ] ); + t.strictEqual( v, 3.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having non-unit strides', opts, function test( t ) { + var x; + var v; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 2.0, // 1 + -7.0, + -2.0, // 2 + 3.0, + 4.0, // 3 + 2.0 + ]); + + v = dmaxabs( [ vector( x, 4, 2, 0 ) ] ); + t.strictEqual( v, 4.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having negative strides', opts, function test( t ) { + var x; + var v; + + x = new Float64Array([ + 1.0, // 3 + 2.0, + 2.0, // 2 + -7.0, + -2.0, // 1 + 3.0, + 4.0, // 0 + 2.0 + ]); + + v = dmaxabs( [ vector( x, 4, -2, 6 ) ] ); + t.strictEqual( v, 4.0, 'returns expected value' ); + + t.end(); +}); + +tape( 'the function supports one-dimensional ndarrays having non-zero offsets', opts, function test( t ) { + var x; + var v; + + x = new Float64Array([ + 2.0, + 1.0, // 0 + 2.0, + -2.0, // 1 + -2.0, + 2.0, // 2 + 3.0, + 4.0 // 3 + ]); + + v = dmaxabs( [ vector( x, 4, 2, 1 ) ] ); + t.strictEqual( v, 4.0, 'returns expected value' ); + + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/README.md b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/README.md new file mode 100644 index 000000000000..a53a6d3ff6b8 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/README.md @@ -0,0 +1,336 @@ + + +# dcanberra + +> Compute the Canberra distance between two double-precision floating-point strided arrays. + +
+ +The [Canberra distance][wikipedia-canberra-distance] is a weighted version of the Manhattan distance where each dimension's contribution is normalized by the sum of the absolute coordinate values. It is defined as + + + +```math +D(\mathbf{A}, \mathbf{B}) = \sum_{i=0}^{N-1} \frac{\left| a_{i} - b_{i} \right|}{\left| a_{i} \right| + \left| b_{i} \right|} +``` + + + +where `a_i` and `b_i` are the _ith_ components of vectors **A** and **B**, respectively. When both `a_i` and `b_i` are zero, the contribution to the sum is treated as zero. + +
+ + + +
+ +## Usage + +```javascript +var dcanberra = require( '@stdlib/stats/strided/distances/dcanberra' ); +``` + +#### dcanberra( N, x, strideX, y, strideY ) + +Computes the Canberra distance between two double-precision floating-point strided arrays. + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + +var z = dcanberra( x.length, x, 1, y, 1 ); +// returns ~3.333 +``` + +The function has the following parameters: + +- **N**: number of indexed elements. +- **x**: input [`Float64Array`][@stdlib/array/float64]. +- **strideX**: stride length of `x`. +- **y**: input [`Float64Array`][@stdlib/array/float64]. +- **strideY**: stride length of `y`. + +The `N` and stride parameters determine which elements in the strided arrays are accessed at runtime. For example, to calculate the Canberra distance between every other element in `x` and the first `N` elements of `y` in reverse order, + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); +var y = new Float64Array( [ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ] ); + +var z = dcanberra( 3, x, 2, y, -1 ); +// returns ~1.167 +``` + +Note that indexing is relative to the first index. To introduce an offset, use [`typed array`][mdn-typed-array] views. + + + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +// Initial arrays... +var x0 = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); +var y0 = new Float64Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); + +// Create offset views... +var x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); // start at 2nd element +var y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); // start at 4th element + +var z = dcanberra( 3, x1, 1, y1, 1 ); +// returns ~1.738 +``` + +#### dcanberra.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ) + +Computes the Canberra distance between two double-precision floating-point strided arrays using alternative indexing semantics. + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + +var z = dcanberra.ndarray( x.length, x, 1, 0, y, 1, 0 ); +// returns ~3.333 +``` + +The function has the following additional parameters: + +- **offsetX**: starting index for `x`. +- **offsetY**: starting index for `y`. + +While [`typed array`][mdn-typed-array] views mandate a view offset based on the underlying buffer, the offset parameters support indexing semantics based on starting indices. For example, to calculate the Canberra distance between every other element in `x` starting from the second element with the last 3 elements in `y` in reverse order + +```javascript +var Float64Array = require( '@stdlib/array/float64' ); + +var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); +var y = new Float64Array( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); + +var z = dcanberra.ndarray( 3, x, 2, 1, y, -1, y.length-1 ); +// returns ~1.431 +``` + +
+ + + +
+ +## Notes + +- If `N <= 0`, both functions return `NaN`. + +
+ + + +
+ +## Examples + + + +```javascript +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var dcanberra = require( '@stdlib/stats/strided/distances/dcanberra' ); + +var opts = { + 'dtype': 'float64' +}; +var x = discreteUniform( 10, 0, 100, opts ); +console.log( x ); + +var y = discreteUniform( x.length, 0, 10, opts ); +console.log( y ); + +var out = dcanberra.ndarray( x.length, x, 1, 0, y, -1, y.length-1 ); +console.log( out ); +``` + +
+ + + + + +* * * + +
+ +## C APIs + + + +
+ +
+ + + + + +
+ +### Usage + +```c +#include "stdlib/stats/strided/distances/dcanberra.h" +``` + +#### stdlib_strided_dcanberra( N, \*X, strideX, \*Y, strideY ) + +Computes the Canberra distance between two double-precision floating-point strided arrays. + +```c +const double x[] = { 4.0, 2.0, -3.0, 5.0, -1.0 }; +const double y[] = { 2.0, 6.0, -1.0, -4.0, 8.0 }; + +double v = stdlib_strided_dcanberra( 5, x, 1, y, 1 ); +// returns ~3.333 +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **X**: `[in] double*` first input array. +- **strideX**: `[in] CBLAS_INT` stride length of `X`. +- **Y**: `[in] double*` second input array. +- **strideY**: `[in] CBLAS_INT` stride length of `Y`. + +```c +double stdlib_strided_dcanberra( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const double *Y, const CBLAS_INT strideY ); +``` + + + +#### stdlib_strided_dcanberra_ndarray( N, \*X, strideX, offsetX, \*Y, strideY, offsetY ) + + + +Computes the Canberra distance between two double-precision floating-point strided arrays using alternative indexing semantics. + +```c +const double x[] = { 4.0, 2.0, -3.0, 5.0, -1.0 }; +const double y[] = { 2.0, 6.0, -1.0, -4.0, 8.0 }; + +double v = stdlib_strided_dcanberra_ndarray( 5, x, -1, 4, y, -1, 4 ); +// returns ~3.333 +``` + +The function accepts the following arguments: + +- **N**: `[in] CBLAS_INT` number of indexed elements. +- **X**: `[in] double*` first input array. +- **strideX**: `[in] CBLAS_INT` stride length of `X`. +- **offsetX**: `[in] CBLAS_INT` starting index for `X`. +- **Y**: `[in] double*` second input array. +- **strideY**: `[in] CBLAS_INT` stride length of `Y`. +- **offsetY**: `[in] CBLAS_INT` starting index for `Y`. + +```c +double stdlib_strided_dcanberra_ndarray( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const double *Y, const CBLAS_INT strideY, const CBLAS_INT offsetY ); +``` + +
+ + + + + +
+ +
+ + + + + +
+ +### Examples + +```c +#include "stdlib/stats/strided/distances/dcanberra.h" +#include + +int main( void ) { + // Create strided arrays: + const double x[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + const double y[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + + // Specify the number of elements: + const int N = 8; + + // Specify strides: + const int strideX = 1; + const int strideY = -1; + + // Compute the Canberra distance between `x` and `y`: + double d = stdlib_strided_dcanberra( N, x, strideX, y, strideY ); + + // Print the result: + printf( "Canberra distance: %lf\n", d ); + + // Compute the Canberra distance between `x` and `y` with offsets: + d = stdlib_strided_dcanberra_ndarray( N, x, strideX, 0, y, strideY, N-1 ); + + // Print the result: + printf( "Canberra distance: %lf\n", d ); +} +``` + +
+ + + +
+ + + + + +
+ +
+ + + + + +
+ +[@stdlib/array/float64]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/float64 + +[mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray + +[wikipedia-canberra-distance]: https://en.wikipedia.org/wiki/Canberra_distance + + + + + +
+ + diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.js new file mode 100644 index 000000000000..2ba1477cf83b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.js @@ -0,0 +1,104 @@ +/** +* @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 pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; +var dcanberra = require( './../lib/dcanberra.js' ); + + +// VARIABLES // + +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var d; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + d = dcanberra( x.length, x, 1, y, 1 ); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( d ) ) { + 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/distances/dcanberra/benchmark/benchmark.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.native.js new file mode 100644 index 000000000000..fe167b91df1d --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.native.js @@ -0,0 +1,109 @@ +/** +* @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 pow = require( '@stdlib/math/base/special/pow' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var dcanberra = tryRequire( resolve( __dirname, './../lib/dcanberra.native.js' ) ); +var opts = { + 'skip': ( dcanberra instanceof Error ) +}; +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var d; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + d = dcanberra( x.length, x, 1, y, 1 ); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( d ) ) { + 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:len=%d', pkg, len ), opts, f ); + } +} + +main(); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.ndarray.js new file mode 100644 index 000000000000..b44bcb942305 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.ndarray.js @@ -0,0 +1,104 @@ +/** +* @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 pow = require( '@stdlib/math/base/special/pow' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; +var dcanberra = require( './../lib/ndarray.js' ); + + +// VARIABLES // + +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var d; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + d = dcanberra( x.length, x, 1, 0, y, 1, 0 ); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( d ) ) { + 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/distances/dcanberra/benchmark/benchmark.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.ndarray.native.js new file mode 100644 index 000000000000..6920f7a2548f --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/benchmark.ndarray.native.js @@ -0,0 +1,109 @@ +/** +* @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 pow = require( '@stdlib/math/base/special/pow' ); +var tryRequire = require( '@stdlib/utils/try-require' ); +var format = require( '@stdlib/string/format' ); +var pkg = require( './../package.json' ).name; + + +// VARIABLES // + +var dcanberra = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( dcanberra instanceof Error ) +}; +var options = { + 'dtype': 'float64' +}; + + +// FUNCTIONS // + +/** +* Creates a benchmark function. +* +* @private +* @param {PositiveInteger} len - array length +* @returns {Function} benchmark function +*/ +function createBenchmark( len ) { + var x = uniform( len, -100.0, 100.0, options ); + var y = uniform( len, -100.0, 100.0, options ); + return benchmark; + + /** + * Benchmark function. + * + * @private + * @param {Benchmark} b - benchmark instance + */ + function benchmark( b ) { + var d; + var i; + + b.tic(); + for ( i = 0; i < b.iterations; i++ ) { + d = dcanberra( x.length, x, 1, 0, y, 1, 0 ); + if ( isnan( d ) ) { + b.fail( 'should not return NaN' ); + } + } + b.toc(); + if ( isnan( d ) ) { + 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/distances/dcanberra/benchmark/c/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/c/Makefile new file mode 100644 index 000000000000..0756dc7da20a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/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/distances/dcanberra/benchmark/c/benchmark.length.c b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/c/benchmark.length.c new file mode 100644 index 000000000000..60cdb25d34c4 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/benchmark/c/benchmark.length.c @@ -0,0 +1,205 @@ +/** +* @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/distances/dcanberra.h" +#include +#include +#include +#include +#include + +#define NAME "dcanberra" +#define ITERATIONS 10000000 +#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 [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. +* +* @param iterations number of iterations +* @param len array length +* @return elapsed time in seconds +*/ +static double benchmark1( int iterations, int len ) { + double elapsed; + double *x; + double *y; + double z; + double t; + int i; + + x = (double *) malloc( len * sizeof( double ) ); + y = (double *) malloc( len * sizeof( double ) ); + for ( i = 0; i < len; i++ ) { + x[ i ] = random_uniform( -10000.0, 10000.0 ); + y[ i ] = random_uniform( -10000.0, 10000.0 ); + } + z = 0.0; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + z = stdlib_strided_dcanberra( len, x, 1, y, 1 ); + if ( z != z ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( z != z ) { + printf( "should not return NaN\n" ); + } + free( x ); + free( y ); + 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; + double *x; + double *y; + double z; + double t; + int i; + + x = (double *) malloc( len * sizeof( double ) ); + y = (double *) malloc( len * sizeof( double ) ); + for ( i = 0; i < len; i++ ) { + x[ i ] = random_uniform( -10000.0, 10000.0 ); + y[ i ] = random_uniform( -10000.0, 10000.0 ); + } + z = 0.0; + t = tic(); + for ( i = 0; i < iterations; i++ ) { + z = stdlib_strided_dcanberra_ndarray( len, x, 1, 0, y, 1, 0 ); + if ( z != z ) { + printf( "should not return NaN\n" ); + break; + } + } + elapsed = tic() - t; + if ( z != z ) { + printf( "should not return NaN\n" ); + } + free( x ); + free( y ); + 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 ( 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/distances/dcanberra/binding.gyp b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/binding.gyp new file mode 100644 index 000000000000..60dce9d0b31a --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/binding.gyp @@ -0,0 +1,265 @@ +# @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', + + # Fortran compiler (to override -Dfortran_compiler=): + 'fortran_compiler%': 'gfortran', + + # Fortran compiler flags: + 'fflags': [ + # Specify the Fortran standard to which a program is expected to conform: + '-std=f95', + + # Indicate that the layout is free-form source code: + '-ffree-form', + + # Aggressive optimization: + '-O3', + + # Enable commonly used warning options: + '-Wall', + + # Warn if source code contains problematic language features: + '-Wextra', + + # Warn if a procedure is called without an explicit interface: + '-Wimplicit-interface', + + # Do not transform names of entities specified in Fortran source files by appending underscores (i.e., don't mangle names, thus allowing easier usage in C wrappers): + '-fno-underscoring', + + # Warn if source code contains Fortran 95 extensions and C-language constructs: + '-pedantic', + + # Compile but do not link (output is an object file): + '-c', + ], + + # 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 + + # Define custom build actions for particular inputs: + 'rules': [ + { + # Define a rule for processing Fortran files: + 'extension': 'f', + + # Define the pathnames to be used as inputs when performing processing: + 'inputs': [ + # Full path of the current input: + '<(RULE_INPUT_PATH)' + ], + + # Define the outputs produced during processing: + 'outputs': [ + # Store an output object file in a directory for placing intermediate results (only accessible within a single target): + '<(INTERMEDIATE_DIR)/<(RULE_INPUT_ROOT).<(obj)' + ], + + # Define the rule for compiling Fortran based on the host OS: + 'conditions': [ + [ + 'OS=="win"', + + # Rule to compile Fortran on Windows: + { + 'rule_name': 'compile_fortran_windows', + 'message': 'Compiling Fortran file <(RULE_INPUT_PATH) on Windows...', + + 'process_outputs_as_sources': 0, + + # Define the command-line invocation: + 'action': [ + '<(fortran_compiler)', + '<@(fflags)', + '<@(_inputs)', + '-o', + '<@(_outputs)', + ], + }, + + # Rule to compile Fortran on non-Windows: + { + 'rule_name': 'compile_fortran_linux', + 'message': 'Compiling Fortran file <(RULE_INPUT_PATH) on Linux...', + + 'process_outputs_as_sources': 1, + + # Define the command-line invocation: + 'action': [ + '<(fortran_compiler)', + '<@(fflags)', + '-fPIC', # generate platform-independent code + '<@(_inputs)', + '-o', + '<@(_outputs)', + ], + } + ], # end condition (OS=="win") + ], # end conditions + }, # end rule (extension=="f") + ], # end rules + }, # 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/distances/dcanberra/docs/repl.txt b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/repl.txt new file mode 100644 index 000000000000..42ed46457cdb --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/repl.txt @@ -0,0 +1,110 @@ + +{{alias}}( N, x, strideX, y, strideY ) + Computes the dcanberra distance between two double-precision + floating-point strided arrays. + + The `N` and stride parameters determine which elements in the strided arrays + 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: Float64Array + First input array. + + strideX: integer + Stride length for `x`. + + y: Float64Array + Second input array. + + strideY: integer + Stride length for `y`. + + Returns + ------- + out: number + Dcanberra distance. + + Examples + -------- + // Standard usage: + > var x = new {{alias:@stdlib/array/float64}}( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); + > var y = new {{alias:@stdlib/array/float64}}( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + > var out = {{alias}}( x.length, x, 1, y, 1 ) + ~3.3333 + + // Using N and stride parameters: + > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); + > y = new {{alias:@stdlib/array/float64}}( [ 1.0, 1.0, 1.0, 0.0, 0.0, 0.0 ] ); + > out = {{alias}}( 3, x, 1, y, -1 ) + ~0.8333 + + // Using view offsets: + > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); + > y = new {{alias:@stdlib/array/float64}}( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); + > var x1 = new {{alias:@stdlib/array/float64}}( x.buffer, x.BYTES_PER_ELEMENT*1 ); + > var y1 = new {{alias:@stdlib/array/float64}}( y.buffer, y.BYTES_PER_ELEMENT*3 ); + > out = {{alias}}( 3, x1, 1, y1, 1 ) + ~1.738 + + +{{alias}}.ndarray( N, x, strideX, offsetX, y, strideY, offsetY ) + Computes the dcanberra distance between two double-precision + floating-point strided arrays using alternative indexing semantics. + + While typed array views mandate a view offset based on the underlying + buffer, offset parameters support indexing semantics based on starting + indices. + + Parameters + ---------- + N: integer + Number of indexed elements. + + x: Float64Array + First input array. + + strideX: integer + Stride length for `x`. + + offsetX: integer + Starting index for `x`. + + y: Float64Array + Second input array. + + strideY: integer + Stride length for `y`. + + offsetY: integer + Starting index for `y`. + + Returns + ------- + out: number + Dcanberra distance. + + Examples + -------- + // Standard usage: + > var x = new {{alias:@stdlib/array/float64}}( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); + > var y = new {{alias:@stdlib/array/float64}}( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + > var out = {{alias}}.ndarray( x.length, x, 1, 0, y, 1, 0 ) + ~3.333 + + // Using starting indices: + > x = new {{alias:@stdlib/array/float64}}( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ] ); + > y = new {{alias:@stdlib/array/float64}}( [ 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] ); + > out = {{alias}}.ndarray( 3, x, 1, 1, y, 1, 3 ) + ~1.738 + + See Also + -------- diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/types/index.d.ts b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/types/index.d.ts new file mode 100644 index 000000000000..9cb8c9e326ac --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/types/index.d.ts @@ -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. +*/ + +// TypeScript Version: 4.1 + +/** +* Interface describing `dcanberra`. +*/ +interface Routine { + /** + * Computes the canberra distance between two double-precision floating-point strided arrays. + * + * @param N - number of indexed elements + * @param x - first input array + * @param strideX - `x` stride length + * @param y - second input array + * @param strideY - `y` stride length + * @returns canberra distance + * + * @example + * var Float64Array = require( '@stdlib/array/float64' ); + * + * var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); + * var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + * + * var z = dcanberra( x.length, x, 1, y, 1 ); + * // returns ~3.333 + */ + ( N: number, x: Float64Array, strideX: number, y: Float64Array, strideY: number ): number; + + /** + * Computes the canberra distance between two double-precision floating-point strided arrays using alternative indexing semantics. + * + * @param N - number of indexed elements + * @param x - first input array + * @param strideX - `x` stride length + * @param offsetX - starting index for `x` + * @param y - second input array + * @param strideY - `y` stride length + * @param offsetY - starting index for `y` + * @returns canberra distance + * + * @example + * var Float64Array = require( '@stdlib/array/float64' ); + * + * var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); + * var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); + * + * var z = dcanberra.ndarray( x.length, x, 1, 0, y, 1, 0 ); + * // returns ~3.333 + */ + ndarray( N: number, x: Float64Array, strideX: number, offsetX: number, y: Float64Array, strideY: number, offsetY: number ): number; +} + +/** +* Computes the canberra distance between two double-precision floating-point strided arrays. +* +* @param N - number of indexed elements +* @param x - first input array +* @param strideX - `x` stride length +* @param y - second input array +* @param strideY - `y` stride length +* @returns canberra distance +* +* @example +* var Float64Array = require( '@stdlib/array/float64' ); +* +* var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +* var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); +* +* var z = dcanberra( x.length, x, 1, y, 1 ); +* // returns ~3.333 +* +* @example +* var Float64Array = require( '@stdlib/array/float64' ); +* +* var x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0 ] ); +* var y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0 ] ); +* +* var z = dcanberra.ndarray( x.length, x, 1, 0, y, 1, 0 ); +* // returns ~3.333 +*/ +declare var dcanberra: Routine; + + +// EXPORTS // + +export = dcanberra; diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/types/test.ts b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/types/test.ts new file mode 100644 index 000000000000..7d3a943ddebe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/docs/types/test.ts @@ -0,0 +1,248 @@ +/* +* @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 dcanberra = require( './index' ); + + +// TESTS // + +// The function returns a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra( x.length, x, 1, y, 1 ); // $ExpectType number +} + +// The compiler throws an error if the function is provided a first argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra( '10', x, 1, y, 1 ); // $ExpectError + dcanberra( true, x, 1, y, 1 ); // $ExpectError + dcanberra( false, x, 1, y, 1 ); // $ExpectError + dcanberra( null, x, 1, y, 1 ); // $ExpectError + dcanberra( undefined, x, 1, y, 1 ); // $ExpectError + dcanberra( [], x, 1, y, 1 ); // $ExpectError + dcanberra( {}, x, 1, y, 1 ); // $ExpectError + dcanberra( ( x: number ): number => x, x, 1, y, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a second argument which is not a Float64Array... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra( x.length, 10, 1, y, 1 ); // $ExpectError + dcanberra( x.length, '10', 1, y, 1 ); // $ExpectError + dcanberra( x.length, true, 1, y, 1 ); // $ExpectError + dcanberra( x.length, false, 1, y, 1 ); // $ExpectError + dcanberra( x.length, null, 1, y, 1 ); // $ExpectError + dcanberra( x.length, undefined, 1, y, 1 ); // $ExpectError + dcanberra( x.length, [], 1, y, 1 ); // $ExpectError + dcanberra( x.length, {}, 1, y, 1 ); // $ExpectError + dcanberra( x.length, ( x: number ): number => x, 1, y, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a third argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra( x.length, x, '10', y, 1 ); // $ExpectError + dcanberra( x.length, x, true, y, 1 ); // $ExpectError + dcanberra( x.length, x, false, y, 1 ); // $ExpectError + dcanberra( x.length, x, null, y, 1 ); // $ExpectError + dcanberra( x.length, x, undefined, y, 1 ); // $ExpectError + dcanberra( x.length, x, [], y, 1 ); // $ExpectError + dcanberra( x.length, x, {}, y, 1 ); // $ExpectError + dcanberra( x.length, x, ( x: number ): number => x, y, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a fourth argument which is not a Float64Array... +{ + const x = new Float64Array( 10 ); + + dcanberra( x.length, x, 1, 10, 1 ); // $ExpectError + dcanberra( x.length, x, 1, '10', 1 ); // $ExpectError + dcanberra( x.length, x, 1, true, 1 ); // $ExpectError + dcanberra( x.length, x, 1, false, 1 ); // $ExpectError + dcanberra( x.length, x, 1, null, 1 ); // $ExpectError + dcanberra( x.length, x, 1, undefined, 1 ); // $ExpectError + dcanberra( x.length, x, 1, [], 1 ); // $ExpectError + dcanberra( x.length, x, 1, {}, 1 ); // $ExpectError + dcanberra( x.length, x, 1, ( x: number ): number => x, 1 ); // $ExpectError +} + +// The compiler throws an error if the function is provided a fifth argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra( x.length, x, 1, y, '10' ); // $ExpectError + dcanberra( x.length, x, 1, y, true ); // $ExpectError + dcanberra( x.length, x, 1, y, false ); // $ExpectError + dcanberra( x.length, x, 1, y, null ); // $ExpectError + dcanberra( x.length, x, 1, y, undefined ); // $ExpectError + dcanberra( x.length, x, 1, y, [] ); // $ExpectError + dcanberra( x.length, x, 1, y, {} ); // $ExpectError + dcanberra( x.length, x, 1, y, ( x: number ): number => x ); // $ExpectError +} + +// The compiler throws an error if the function is provided an unsupported number of arguments... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra(); // $ExpectError + dcanberra( x.length ); // $ExpectError + dcanberra( x.length, x ); // $ExpectError + dcanberra( x.length, x, 1 ); // $ExpectError + dcanberra( x.length, x, 1, y ); // $ExpectError + dcanberra( x.length, x, 1, y, 1, 10 ); // $ExpectError +} + +// Attached to main export is an `ndarray` method which returns a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra.ndarray( x.length, x, 1, 0, y, 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 Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra.ndarray( '10', x, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( true, x, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( false, x, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( null, x, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( undefined, x, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( [], x, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( {}, x, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( ( x: number ): number => x, x, 1, 0, y, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a second argument which is not a Float64Array... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra.ndarray( x.length, 10, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, '10', 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, true, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, false, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, null, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, undefined, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, [], 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, {}, 1, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, ( x: number ): number => x, 1, 0, y, 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 Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra.ndarray( x.length, x, '10', 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, true, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, false, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, null, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, undefined, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, [], 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, {}, 0, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, ( x: number ): number => x, 0, y, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a fourth argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra.ndarray( x.length, x, 1, '10', y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, true, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, false, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, null, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, undefined, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, [], y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, {}, y, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, ( x: number ): number => x, y, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a fifth argument which is not a Float64Array... +{ + const x = new Float64Array( 10 ); + + dcanberra.ndarray( x.length, x, 1, 0, 10, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, '10', 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, true, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, false, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, null, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, undefined, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, [], 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, {}, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, ( x: number ): number => x, 1, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a sixth argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra.ndarray( x.length, x, 1, 0, y, '10', 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, true, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, false, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, null, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, undefined, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, [], 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, {}, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, ( x: number ): number => x, 0 ); // $ExpectError +} + +// The compiler throws an error if the `ndarray` method is provided a seventh argument which is not a number... +{ + const x = new Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra.ndarray( x.length, x, 1, 0, y, 1, '10' ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 1, true ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 1, false ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 1, null ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 1, undefined ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 1, [] ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 1, {} ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 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 Float64Array( 10 ); + const y = new Float64Array( 10 ); + + dcanberra.ndarray(); // $ExpectError + dcanberra.ndarray( x.length ); // $ExpectError + dcanberra.ndarray( x.length, x ); // $ExpectError + dcanberra.ndarray( x.length, x, 1 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 1 ); // $ExpectError + dcanberra.ndarray( x.length, x, 1, 0, y, 1, 0, 10 ); // $ExpectError +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/c/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/c/Makefile new file mode 100644 index 000000000000..c8f8e9a1517b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/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/distances/dcanberra/examples/c/example.c b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/c/example.c new file mode 100644 index 000000000000..74a324ee0c94 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/c/example.c @@ -0,0 +1,45 @@ +/** +* @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/distances/dcanberra.h" +#include + +int main( void ) { + // Create strided arrays: + const double x[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + const double y[] = { 1.0, -2.0, 3.0, -4.0, 5.0, -6.0, 7.0, -8.0 }; + + // Specify the number of elements: + const int N = 8; + + // Specify strides: + const int strideX = 1; + const int strideY = -1; + + // Compute the Canberra distance between `x` and `y`: + double d = stdlib_strided_dcanberra( N, x, strideX, y, strideY ); + + // Print the result: + printf( "Canberra distance: %lf\n", d ); + + // Compute the Canberra distance between `x` and `y` with offsets: + d = stdlib_strided_dcanberra_ndarray( N, x, strideX, 0, y, strideY, N-1 ); + + // Print the result: + printf( "Canberra distance: %lf\n", d ); +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/index.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/index.js new file mode 100644 index 000000000000..4384b055bf35 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/examples/index.js @@ -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. +*/ + +'use strict'; + +var discreteUniform = require( '@stdlib/random/array/discrete-uniform' ); +var dcanberra = require( './../lib' ); + +var opts = { + 'dtype': 'float64' +}; +var x = discreteUniform( 10, 0, 100, opts ); +console.log( x ); + +var y = discreteUniform( x.length, 0, 10, opts ); +console.log( y ); + +var out = dcanberra.ndarray( x.length, x, 1, 0, y, -1, y.length-1 ); +console.log( out ); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/include.gypi b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/include.gypi new file mode 100644 index 000000000000..dcb556d250e8 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/include.gypi @@ -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. + +# A GYP include file for building a Node.js native add-on. +# +# Note that nesting variables is required due to how GYP processes a configuration. Any variables defined within a nested 'variables' section is defined in the outer scope. Thus, conditions in the outer variable scope are free to use these variables without running into "variable undefined" errors. +# +# Main documentation: +# +# [1]: https://gyp.gsrc.io/docs/InputFormatReference.md +# [2]: https://gyp.gsrc.io/docs/UserDocumentation.md +# +# Variable nesting hacks: +# +# [3]: https://chromium.googlesource.com/external/skia/gyp/+/master/common_variables.gypi +# [4]: https://src.chromium.org/viewvc/chrome/trunk/src/build/common.gypi?revision=127004 +{ + # Define variables to be used throughout the configuration for all targets: + 'variables': { + 'variables': { + # Host BLAS library (to override -Dblas=): + 'blas%': '', + + # Path to BLAS library (to override -Dblas_dir=): + 'blas_dir%': '', + }, # end variables + + # Source directory: + 'src_dir': './src', + + # Include directories: + 'include_dirs': [ + '<@(blas_dir)', + '=0.10.0", + "npm": ">2.7.0" + }, + "os": [ + "aix", + "darwin", + "freebsd", + "linux", + "macos", + "openbsd", + "sunos", + "win32", + "windows" + ], + "keywords": [ + "stdlib", + "stdmath", + "statistics", + "stats", + "mathematics", + "math", + "canberra", + "distance", + "metric", + "strided", + "strided array", + "typed", + "array", + "float64", + "double", + "float64array" + ], + "__stdlib__": {} +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/Makefile b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/Makefile new file mode 100644 index 000000000000..2caf905cedbe --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/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/distances/dcanberra/src/addon.c b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/addon.c new file mode 100644 index 000000000000..35208d68f80b --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/addon.c @@ -0,0 +1,66 @@ +/** +* @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/distances/dcanberra.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_float64array.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, 5 ); + STDLIB_NAPI_ARGV_INT64( env, N, argv, 0 ); + STDLIB_NAPI_ARGV_INT64( env, strideX, argv, 2 ); + STDLIB_NAPI_ARGV_INT64( env, strideY, argv, 4 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 3 ); + STDLIB_NAPI_CREATE_DOUBLE( env, API_SUFFIX(stdlib_strided_dcanberra)( N, X, strideX, Y, strideY ), 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, 7 ); + 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_INT64( env, strideY, argv, 5 ); + STDLIB_NAPI_ARGV_INT64( env, offsetY, argv, 6 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, X, N, strideX, argv, 1 ); + STDLIB_NAPI_ARGV_STRIDED_FLOAT64ARRAY( env, Y, N, strideY, argv, 4 ); + STDLIB_NAPI_CREATE_DOUBLE( env, API_SUFFIX(stdlib_strided_dcanberra_ndarray)( N, X, strideX, offsetX, Y, strideY, offsetY ), v ); + return v; +} + +STDLIB_NAPI_MODULE_EXPORT_FCN_WITH_METHOD( addon, "ndarray", addon_method ); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/main.c b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/main.c new file mode 100644 index 000000000000..88d67cb2aaf5 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/src/main.c @@ -0,0 +1,74 @@ +/** +* @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/distances/dcanberra.h" +#include "stdlib/math/base/special/abs.h" +#include "stdlib/blas/base/shared.h" +#include "stdlib/strided/base/stride2offset.h" + +/** +* Computes the canberra distance between two double-precision floating-point strided arrays. +* +* @param N number of indexed elements +* @param X first array +* @param strideX X stride length +* @param Y second array +* @param strideY Y stride length +* @return canberra distance +*/ +double API_SUFFIX(stdlib_strided_dcanberra)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const double *Y, const CBLAS_INT strideY ) { + CBLAS_INT ox = stdlib_strided_stride2offset( N, strideX ); + CBLAS_INT oy = stdlib_strided_stride2offset( N, strideY ); + return API_SUFFIX(stdlib_strided_dcanberra_ndarray)( N, X, strideX, ox, Y, strideY, oy ); +} + +/** +* Computes the canberra distance between two double-precision floating-point strided arrays using alternative indexing semantics. +* +* @param N number of indexed elements +* @param X first array +* @param strideX X stride length +* @param offsetX starting index for X +* @param Y second array +* @param strideY Y stride length +* @param offsetY starting index for Y +* @return canberra distance +*/ +double API_SUFFIX(stdlib_strided_dcanberra_ndarray)( const CBLAS_INT N, const double *X, const CBLAS_INT strideX, const CBLAS_INT offsetX, const double *Y, const CBLAS_INT strideY, const CBLAS_INT offsetY ) { + CBLAS_INT ox; + CBLAS_INT oy; + CBLAS_INT i; + double d; + + if ( N <= 0 ) { + return 0.0 / 0.0; // NaN + } + ox = offsetX; + oy = offsetY; + + d = 0.0; + for ( i = 0; i < N; i++ ) { + double denom = stdlib_base_abs( X[ ox ] ) + stdlib_base_abs( Y[ oy ] ); + if ( denom != 0.0 ) { + d += stdlib_base_abs( X[ ox ] - Y[ oy ] ) / denom; + } + ox += strideX; + oy += strideY; + } + return d; +} diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.dcanberra.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.dcanberra.js new file mode 100644 index 000000000000..583cba0c0435 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.dcanberra.js @@ -0,0 +1,217 @@ +/** +* @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 Float64Array = require( '@stdlib/array/float64' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); +var dcanberra = require( './../lib/dcanberra.js' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dcanberra, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 5', function test( t ) { + t.strictEqual( dcanberra.length, 5, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the canberra distance between two strided arrays', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); + y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); + + // Canberra: 2/6 + 4/8 + 2/4 + 9/9 + 9/9 + 6/10 + 7/7 + 9/9 ≈ 5.933 + d = dcanberra( x.length, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 5.933333333333334, 1e-10 ), true, 'returns expected value' ); + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + // Canberra: 2/4 + 2/6 + 2/4 ≈ 1.333 + d = dcanberra( x.length, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 1.3333333333333333, 1e-10 ), 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 d; + var x; + var y; + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + d = dcanberra( 0, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + + d = dcanberra( -4, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]); + + // Canberra: 6/10 + 7/7 + 9/9 = 2.6 + d = dcanberra( 3, x, 2, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 2.6, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]); + + // Canberra: 6/10 + 0/5 + 1/9 ≈ 0.711 + d = dcanberra( 3, x, 1, y, 2 ); + t.strictEqual( isAlmostSameValue( d, 0.711111111111111, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Canberra: 3/13 + 4/10 + 5/7 ≈ 1.345 + d = dcanberra( 3, x, -2, y, -1 ); + t.strictEqual( isAlmostSameValue( d, 1.3450549450549452, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Canberra: 7/9 + 4/10 + 1/11 ≈ 1.268 + d = dcanberra( 3, x, 2, y, -1 ); + t.strictEqual( isAlmostSameValue( d, 1.2686868686868686, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports view offsets', function test( t ) { + var x0; + var y0; + var x1; + var y1; + var d; + + x0 = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y0 = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); + y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); + + // Canberra: 7/11 + 6/14 + 5/17 ≈ 1.359 + d = dcanberra( 3, x1, 2, y1, 1 ); + t.strictEqual( isAlmostSameValue( d, 1.3590527119938884, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.dcanberra.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.dcanberra.native.js new file mode 100644 index 000000000000..7d6749302e09 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.dcanberra.native.js @@ -0,0 +1,226 @@ +/** +* @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 Float64Array = require( '@stdlib/array/float64' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var dcanberra = tryRequire( resolve( __dirname, './../lib/dcanberra.native.js' ) ); +var opts = { + 'skip': ( dcanberra instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dcanberra, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 5', opts, function test( t ) { + t.strictEqual( dcanberra.length, 5, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the canberra distance between two strided arrays', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); + y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); + + // Canberra: 2/6 + 4/8 + 2/4 + 9/9 + 9/9 + 6/10 + 7/7 + 9/9 ≈ 5.933 + d = dcanberra( x.length, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 5.933333333333334, 1e-10 ), true, 'returns expected value' ); + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + // Canberra: 2/4 + 2/6 + 2/4 ≈ 1.333 + d = dcanberra( x.length, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 1.3333333333333333, 1e-10 ), 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 d; + var x; + var y; + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + d = dcanberra( 0, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + + d = dcanberra( -4, x, 1, y, 1 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]); + + // Canberra: 6/10 + 7/7 + 9/9 = 2.6 + d = dcanberra( 3, x, 2, y, 1 ); + t.strictEqual( isAlmostSameValue( d, 2.6, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]); + + // Canberra: 6/10 + 0/5 + 1/9 ≈ 0.711 + d = dcanberra( 3, x, 1, y, 2 ); + t.strictEqual( isAlmostSameValue( d, 0.711111111111111, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Canberra: 3/13 + 4/10 + 5/7 ≈ 1.345 + d = dcanberra( 3, x, -2, y, -1 ); + t.strictEqual( isAlmostSameValue( d, 1.3450549450549452, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Canberra: 7/9 + 4/10 + 1/11 ≈ 1.268 + d = dcanberra( 3, x, 2, y, -1 ); + t.strictEqual( isAlmostSameValue( d, 1.2686868686868686, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports view offsets', opts, function test( t ) { + var x0; + var y0; + var x1; + var y1; + var d; + + x0 = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y0 = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + x1 = new Float64Array( x0.buffer, x0.BYTES_PER_ELEMENT*1 ); + y1 = new Float64Array( y0.buffer, y0.BYTES_PER_ELEMENT*3 ); + + // Canberra: 7/11 + 6/14 + 5/17 ≈ 1.365 + d = dcanberra( 3, x1, 2, y1, 1 ); + t.strictEqual( isAlmostSameValue( d, 1.3590527119938884, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.js new file mode 100644 index 000000000000..1c2b829866fc --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/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 dcanberra = 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 dcanberra, '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 dcanberra.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 dcanberra = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + + t.strictEqual( dcanberra, 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 dcanberra; + var main; + + main = require( './../lib/dcanberra.js' ); + + dcanberra = proxyquire( './../lib', { + '@stdlib/utils/try-require': tryRequire + }); + + t.strictEqual( dcanberra, main, 'returns expected value' ); + t.end(); + + function tryRequire() { + return new Error( 'Cannot find module' ); + } +}); diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.ndarray.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.ndarray.js new file mode 100644 index 000000000000..ece25cad3396 --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.ndarray.js @@ -0,0 +1,240 @@ +/** +* @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 Float64Array = require( '@stdlib/array/float64' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); +var dcanberra = require( './../lib/ndarray.js' ); + + +// TESTS // + +tape( 'main export is a function', function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dcanberra, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 7', function test( t ) { + t.strictEqual( dcanberra.length, 7, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the canberra distance between two strided arrays', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); + y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); + + // Canberra: 2/6 + 4/8 + 2/4 + 9/9 + 9/9 + 6/10 + 7/7 + 9/9 ≈ 5.933 + d = dcanberra( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 5.933333333333334, 1e-10 ), true, 'returns expected value' ); + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + // Canberra: 2/4 + 2/6 + 2/4 ≈ 1.333 + d = dcanberra( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 1.3333333333333333, 1e-10 ), 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 d; + var x; + var y; + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + d = dcanberra( 0, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + + d = dcanberra( -4, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]); + + // Canberra: 6/10 + 7/7 + 9/9 = 2.6 + d = dcanberra( 3, x, 2, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 2.6, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` offset', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 6.0, // 0 + 7.0, // 1 + 8.0, // 2 + 9.0, + 10.0, + 11.0 + ]); + + // Canberra: 4/8 + 3/11 + 2/14 ≈ 0.915 + d = dcanberra( 3, x, 2, 1, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 0.9155844155844155, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]); + + // Canberra: 6/10 + 0/5 + 1/9 ≈ 0.711 + d = dcanberra( 3, x, 1, 0, y, 2, 0 ); + t.strictEqual( isAlmostSameValue( d, 0.711111111111111, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` offset', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0, // 2 + 6.0 + ]); + y = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + // Canberra: 8/10 + 7/13 + 6/16 = ~1.6923 + d = dcanberra( 3, x, 2, 0, y, 1, 3 ); + t.strictEqual( isAlmostSameValue( d, 1.7134615384615386, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Canberra: 3/13 + 4/10 + 5/7 ≈ 1.345 + d = dcanberra( 3, x, -2, x.length-1, y, -1, 2 ); + t.strictEqual( isAlmostSameValue( d, 1.3450549450549452, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]); + y = new Float64Array([ + 6.0, + 7.0, // 2 + 8.0, // 1 + 9.0, // 0 + 10.0 + ]); + + // Canberra: 8/10 + 5/11 + 2/12 ≈ 1.421 + d = dcanberra( 3, x, 2, 0, y, -1, y.length-2 ); + t.strictEqual( isAlmostSameValue( d, 1.4212121212121213, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); From cc0803bdd3958e07699676d9c1d26448dfaf33dc Mon Sep 17 00:00:00 2001 From: Shubham Date: Fri, 6 Feb 2026 02:20:17 +0530 Subject: [PATCH 2/2] feat: add implementation of stats/strided/distances/dcanberra --- type: pre_commit_static_analysis_report description: Results of running static analysis checks when committing changes. report: - task: lint_filenames status: passed - task: lint_editorconfig status: passed - task: lint_markdown status: na - task: lint_package_json status: na - task: lint_repl_help status: na - task: lint_javascript_src status: na - task: lint_javascript_cli status: na - task: lint_javascript_examples status: na - task: lint_javascript_tests status: passed - task: lint_javascript_benchmarks status: na - task: lint_python status: na - task: lint_r status: na - task: lint_c_src status: na - task: lint_c_examples status: na - task: lint_c_benchmarks status: na - task: lint_c_tests_fixtures status: na - task: lint_shell status: na - task: lint_typescript_declarations status: passed - task: lint_typescript_tests status: na - task: lint_license_headers status: passed --- --- .../dcanberra/test/test.ndarray.native.js | 249 ++++++++++++++++++ 1 file changed, 249 insertions(+) create mode 100644 lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.ndarray.native.js diff --git a/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.ndarray.native.js b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.ndarray.native.js new file mode 100644 index 000000000000..a0ab990a179f --- /dev/null +++ b/lib/node_modules/@stdlib/stats/strided/distances/dcanberra/test/test.ndarray.native.js @@ -0,0 +1,249 @@ +/** +* @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 Float64Array = require( '@stdlib/array/float64' ); +var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' ); +var tryRequire = require( '@stdlib/utils/try-require' ); + + +// VARIABLES // + +var dcanberra = tryRequire( resolve( __dirname, './../lib/ndarray.native.js' ) ); +var opts = { + 'skip': ( dcanberra instanceof Error ) +}; + + +// TESTS // + +tape( 'main export is a function', opts, function test( t ) { + t.ok( true, __filename ); + t.strictEqual( typeof dcanberra, 'function', 'main export is a function' ); + t.end(); +}); + +tape( 'the function has an arity of 7', opts, function test( t ) { + t.strictEqual( dcanberra.length, 7, 'returns expected value' ); + t.end(); +}); + +tape( 'the function calculates the canberra distance between two strided arrays', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array( [ 4.0, 2.0, -3.0, 5.0, -1.0, 2.0, -5.0, 6.0 ] ); + y = new Float64Array( [ 2.0, 6.0, -1.0, -4.0, 8.0, 8.0, 2.0, -3.0 ] ); + + // Canberra: 2/6 + 4/8 + 2/4 + 9/9 + 9/9 + 6/10 + 7/7 + 9/9 ≈ 5.933 + d = dcanberra( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 5.933333333333334, 1e-10 ), true, 'returns expected value' ); + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + // Canberra: 2/4 + 2/6 + 2/4 ≈ 1.333 + d = dcanberra( x.length, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 1.3333333333333333, 1e-10 ), 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 d; + var x; + var y; + + x = new Float64Array( [ 3.0, -4.0, 1.0 ] ); + y = new Float64Array( [ 1.0, -2.0, 3.0 ] ); + + d = dcanberra( 0, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + + d = dcanberra( -4, x, 1, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, NaN, 0 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` stride', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, + -5.0, // 1 + 7.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, // 1 + -3.0, // 2 + 3.0, + -4.0, + 1.0 + ]); + + // Canberra: 6/10 + 7/7 + 9/9 = 2.6 + d = dcanberra( 3, x, 2, 0, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 2.6, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports an `x` offset', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, + 2.0, // 0 + 3.0, + 4.0, // 1 + 5.0, + 6.0 // 2 + ]); + y = new Float64Array([ + 6.0, // 0 + 7.0, // 1 + 8.0, // 2 + 9.0, + 10.0, + 11.0 + ]); + + // Canberra: 4/8 + 3/11 + 2/14 ≈ 0.915 + d = dcanberra( 3, x, 2, 1, y, 1, 0 ); + t.strictEqual( isAlmostSameValue( d, 0.9155844155844155, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` stride', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 2.0, // 0 + -3.0, // 1 + -5.0, // 2 + 7.0, + 6.0 + ]); + y = new Float64Array([ + 8.0, // 0 + 2.0, + -3.0, // 1 + 3.0, + -4.0, // 2 + 1.0 + ]); + + // Canberra: 6/10 + 0/5 + 1/9 ≈ 0.711 + d = dcanberra( 3, x, 1, 0, y, 2, 0 ); + t.strictEqual( isAlmostSameValue( d, 0.711111111111111, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports a `y` offset', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0, // 2 + 6.0 + ]); + y = new Float64Array([ + 6.0, + 7.0, + 8.0, + 9.0, // 0 + 10.0, // 1 + 11.0 // 2 + ]); + + // Canberra: 8/10 + 7/13 + 6/16 = ~1.6923 + d = dcanberra( 3, x, 2, 0, y, 1, 3 ); + t.strictEqual( isAlmostSameValue( d, 1.7134615384615386, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports negative strides', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 2 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 0 + ]); + y = new Float64Array([ + 6.0, // 2 + 7.0, // 1 + 8.0, // 0 + 9.0, + 10.0 + ]); + + // Canberra: 3/13 + 4/10 + 5/7 ≈ 1.345 + d = dcanberra( 3, x, -2, x.length-1, y, -1, 2 ); + t.strictEqual( isAlmostSameValue( d, 1.3450549450549452, 1e-10 ), true, 'returns expected value' ); + t.end(); +}); + +tape( 'the function supports complex access patterns', opts, function test( t ) { + var d; + var x; + var y; + + x = new Float64Array([ + 1.0, // 0 + 2.0, + 3.0, // 1 + 4.0, + 5.0 // 2 + ]); + y = new Float64Array([ + 6.0, + 7.0, // 2 + 8.0, // 1 + 9.0, // 0 + 10.0 + ]); + + // Canberra: 8/10 + 5/11 + 2/12 ≈ 1.421 + d = dcanberra( 3, x, 2, 0, y, -1, y.length-2 ); + t.strictEqual( isAlmostSameValue( d, 1.4212121212121213, 1e-10 ), true, 'returns expected value' ); + t.end(); +});