diff --git a/lib/node_modules/@stdlib/math/base/special/cos/test/test.js b/lib/node_modules/@stdlib/math/base/special/cos/test/test.js
index 38f2f73d4025..6bbb29fb2edd 100644
--- a/lib/node_modules/@stdlib/math/base/special/cos/test/test.js
+++ b/lib/node_modules/@stdlib/math/base/special/cos/test/test.js
@@ -22,10 +22,9 @@
 
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var cos = require( './../lib' );
 
 
@@ -49,8 +48,6 @@ tape( 'main export is a function', function test( t ) {
 
 tape( 'the function computes the cosine (medium negative values)', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -60,13 +57,7 @@ tape( 'the function computes the cosine (medium negative values)', function test
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -74,8 +65,6 @@ tape( 'the function computes the cosine (medium negative values)', function test
 
 tape( 'the function computes the cosine (positive medium values)', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -85,13 +74,7 @@ tape( 'the function computes the cosine (positive medium values)', function test
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -99,8 +82,6 @@ tape( 'the function computes the cosine (positive medium values)', function test
 
 tape( 'the function computes the cosine (large negative values)', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -110,13 +91,7 @@ tape( 'the function computes the cosine (large negative values)', function test(
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -124,8 +99,6 @@ tape( 'the function computes the cosine (large negative values)', function test(
 
 tape( 'the function computes the cosine (large positive values)', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -135,13 +108,7 @@ tape( 'the function computes the cosine (large positive values)', function test(
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -149,8 +116,6 @@ tape( 'the function computes the cosine (large positive values)', function test(
 
 tape( 'the function computes the cosine (huge negative values)', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -160,13 +125,7 @@ tape( 'the function computes the cosine (huge negative values)', function test(
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -174,8 +133,6 @@ tape( 'the function computes the cosine (huge negative values)', function test(
 
 tape( 'the function computes the cosine (huge positive values)', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -185,13 +142,7 @@ tape( 'the function computes the cosine (huge positive values)', function test(
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
diff --git a/lib/node_modules/@stdlib/math/base/special/cos/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/cos/test/test.native.js
index f7e5d109496b..237c7694c4ed 100644
--- a/lib/node_modules/@stdlib/math/base/special/cos/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/cos/test/test.native.js
@@ -23,10 +23,9 @@
 var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -58,8 +57,6 @@ tape( 'main export is a function', opts, function test( t ) {
 
 tape( 'the function computes the cosine (medium negative values)', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -69,13 +66,7 @@ tape( 'the function computes the cosine (medium negative values)', opts, functio
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -83,8 +74,6 @@ tape( 'the function computes the cosine (medium negative values)', opts, functio
 
 tape( 'the function computes the cosine (positive medium values)', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -94,13 +83,7 @@ tape( 'the function computes the cosine (positive medium values)', opts, functio
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -108,8 +91,6 @@ tape( 'the function computes the cosine (positive medium values)', opts, functio
 
 tape( 'the function computes the cosine (large negative values)', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -119,13 +100,7 @@ tape( 'the function computes the cosine (large negative values)', opts, function
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -133,8 +108,6 @@ tape( 'the function computes the cosine (large negative values)', opts, function
 
 tape( 'the function computes the cosine (large positive values)', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -144,13 +117,7 @@ tape( 'the function computes the cosine (large positive values)', opts, function
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -158,8 +125,6 @@ tape( 'the function computes the cosine (large positive values)', opts, function
 
 tape( 'the function computes the cosine (huge negative values)', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -169,22 +134,13 @@ tape( 'the function computes the cosine (huge negative values)', opts, function
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
-
 	t.end();
 });
 
 tape( 'the function computes the cosine (huge positive values)', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -194,13 +150,7 @@ tape( 'the function computes the cosine (huge positive values)', opts, function
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = cos( x[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 
 	t.end();