diff --git a/lib/node_modules/@stdlib/math/base/special/vercos/test/test.js b/lib/node_modules/@stdlib/math/base/special/vercos/test/test.js
index 646321831b06..2ad49b0980ec 100644
--- a/lib/node_modules/@stdlib/math/base/special/vercos/test/test.js
+++ b/lib/node_modules/@stdlib/math/base/special/vercos/test/test.js
@@ -22,10 +22,8 @@
 
 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 vercos = require( './../lib' );
 
 
@@ -49,8 +47,6 @@ tape( 'main export is a function', function test( t ) {
 
 tape( 'the function computes the versed cosine (for -256*pi < x < 0 )', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -60,13 +56,7 @@ tape( 'the function computes the versed cosine (for -256*pi < x < 0 )', function
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( 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+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( y, expected[ i ], 'returns expected value' );
 	}
 
 	t.end();
@@ -74,8 +64,6 @@ tape( 'the function computes the versed cosine (for -256*pi < x < 0 )', function
 
 tape( 'the function computes the versed cosine (for 0 < x < 256*pi )', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -85,13 +73,7 @@ tape( 'the function computes the versed cosine (for 0 < x < 256*pi )', function
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( 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+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( y, expected[ i ], 'returns expected value' );
 	}
 
 	t.end();
@@ -99,8 +81,6 @@ tape( 'the function computes the versed cosine (for 0 < x < 256*pi )', function
 
 tape( 'the function computes the versed cosine (for -2**60 (pi/2) < x < -2**20 (pi/2) )', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -110,13 +90,7 @@ tape( 'the function computes the versed cosine (for -2**60 (pi/2) < x < -2**20 (
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( 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+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( y, expected[ i ], 'returns expected value' );
 	}
 
 	t.end();
@@ -124,8 +98,6 @@ tape( 'the function computes the versed cosine (for -2**60 (pi/2) < x < -2**20 (
 
 tape( 'the function computes the versed cosine (for 2**20 (pi/2) < x < 2**60 (pi/2) )', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -135,13 +107,7 @@ tape( 'the function computes the versed cosine (for 2**20 (pi/2) < x < 2**60 (pi
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( 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+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( y, expected[ i ], 'returns expected value' );
 	}
 
 	t.end();
@@ -149,8 +115,6 @@ tape( 'the function computes the versed cosine (for 2**20 (pi/2) < x < 2**60 (pi
 
 tape( 'the function computes the versed cosine (for x <= -2**60 (PI/2) )', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -160,13 +124,7 @@ tape( 'the function computes the versed cosine (for x <= -2**60 (PI/2) )', funct
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( 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+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( y, expected[ i ], 'returns expected value' );
 	}
 
 	t.end();
@@ -174,8 +132,6 @@ tape( 'the function computes the versed cosine (for x <= -2**60 (PI/2) )', funct
 
 tape( 'the function computes the versed cosine (for x >= 2**60 (PI/2) )', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -185,13 +141,7 @@ tape( 'the function computes the versed cosine (for x >= 2**60 (PI/2) )', functi
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( 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+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( y, expected[ i ], 'returns expected value' );
 	}
 
 	t.end();
diff --git a/lib/node_modules/@stdlib/math/base/special/vercos/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/vercos/test/test.native.js
index a3a40c89d6f1..ce9357a1825d 100644
--- a/lib/node_modules/@stdlib/math/base/special/vercos/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/vercos/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 versed cosine (for -256*pi < x < 0 )', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -69,13 +66,9 @@ tape( 'the function computes the versed cosine (for -256*pi < x < 0 )', opts, fu
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( x[i] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+
+		// NOTE: the tolerance here is larger than for the JavaScript implementation due to compiler optimizations which may be performed resulting in result divergence. For discussion, see https://github.com/stdlib-js/stdlib/pull/2298#discussion_r1624765205
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -83,8 +76,6 @@ tape( 'the function computes the versed cosine (for -256*pi < x < 0 )', opts, fu
 
 tape( 'the function computes the versed cosine (for 0 < x < 256*pi )', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -94,13 +85,9 @@ tape( 'the function computes the versed cosine (for 0 < x < 256*pi )', opts, fun
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( x[i] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+
+		// NOTE: the tolerance here is larger than for the JavaScript implementation due to compiler optimizations which may be performed resulting in result divergence. For discussion, see https://github.com/stdlib-js/stdlib/pull/2298#discussion_r1624765205
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -108,8 +95,6 @@ tape( 'the function computes the versed cosine (for 0 < x < 256*pi )', opts, fun
 
 tape( 'the function computes the versed cosine (for -2**60 (pi/2) < x < -2**20 (pi/2) )', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -119,13 +104,9 @@ tape( 'the function computes the versed cosine (for -2**60 (pi/2) < x < -2**20 (
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( x[i] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 6.5 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+
+		// NOTE: the tolerance here is larger than for the JavaScript implementation due to compiler optimizations which may be performed resulting in result divergence. For discussion, see https://github.com/stdlib-js/stdlib/pull/2298#discussion_r1624765205
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 8 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -133,8 +114,6 @@ tape( 'the function computes the versed cosine (for -2**60 (pi/2) < x < -2**20 (
 
 tape( 'the function computes the versed cosine (for 2**20 (pi/2) < x < 2**60 (pi/2) )', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -144,13 +123,9 @@ tape( 'the function computes the versed cosine (for 2**20 (pi/2) < x < 2**60 (pi
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( x[i] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 6.5 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+
+		// NOTE: the tolerance here is larger than for the JavaScript implementation due to compiler optimizations which may be performed resulting in result divergence. For discussion, see https://github.com/stdlib-js/stdlib/pull/2298#discussion_r1624765205
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 8 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -158,8 +133,6 @@ tape( 'the function computes the versed cosine (for 2**20 (pi/2) < x < 2**60 (pi
 
 tape( 'the function computes the versed cosine (for x <= -2**60 (PI/2) )', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -169,13 +142,9 @@ tape( 'the function computes the versed cosine (for x <= -2**60 (PI/2) )', opts,
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( x[i] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 1.6 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+
+		// NOTE: the tolerance here is larger than for the JavaScript implementation due to compiler optimizations which may be performed resulting in result divergence. For discussion, see https://github.com/stdlib-js/stdlib/pull/2298#discussion_r1624765205
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
 	}
 
 	t.end();
@@ -183,8 +152,6 @@ tape( 'the function computes the versed cosine (for x <= -2**60 (PI/2) )', opts,
 
 tape( 'the function computes the versed cosine (for x >= 2**60 (PI/2) )', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -194,13 +161,9 @@ tape( 'the function computes the versed cosine (for x >= 2**60 (PI/2) )', opts,
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = vercos( x[i] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 1.6 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+
+		// NOTE: the tolerance here is larger than for the JavaScript implementation due to compiler optimizations which may be performed resulting in result divergence. For discussion, see https://github.com/stdlib-js/stdlib/pull/2298#discussion_r1624765205
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
 	}
 
 	t.end();