diff --git a/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.assign.js b/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.assign.js
index 907d5ff0d62b..9d5ef0cc2e9a 100644
--- a/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.assign.js
+++ b/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.assign.js
@@ -21,11 +21,10 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
 var NINF = require( '@stdlib/constants/float32/ninf' );
-var EPS = require( '@stdlib/constants/float32/eps' );
-var absf = require( '@stdlib/math/base/special/absf' );
 var Float32Array = require( '@stdlib/array/float32' );
 var f32 = require( '@stdlib/number/float64/base/to-float32' );
 var sincosdf = require( './../lib/assign.js' );
@@ -51,9 +50,7 @@ tape( 'main export is a function', function test( t ) {
 
 tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var z;
@@ -70,29 +67,15 @@ tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', func
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
 		t.strictEqual( y, z, 'returns output array' );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = 1.01 * EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -109,29 +92,15 @@ tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', funct
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
 		t.strictEqual( y, z, 'returns output array' );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = 1.01 * EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2**20 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -148,29 +117,15 @@ tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2*
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
 		t.strictEqual( y, z, 'returns output array' );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -187,29 +142,15 @@ tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**6
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
 		t.strictEqual( y, z, 'returns output array' );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -226,29 +167,15 @@ tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', f
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
 		t.strictEqual( y, z, 'returns output array' );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -265,20 +192,8 @@ tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', fu
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
 		t.strictEqual( y, z, 'returns output array' );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
diff --git a/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.main.js b/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.main.js
index 9e0b8bc1b0b5..5ed05d5caf1c 100644
--- a/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.main.js
+++ b/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.main.js
@@ -21,11 +21,10 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
 var NINF = require( '@stdlib/constants/float32/ninf' );
-var EPS = require( '@stdlib/constants/float32/eps' );
-var absf = require( '@stdlib/math/base/special/absf' );
 var f32 = require( '@stdlib/number/float64/base/to-float32' );
 var sincosdf = require( './../lib/main.js' );
 
@@ -50,9 +49,7 @@ tape( 'main export is a function', function test( t ) {
 
 tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -66,29 +63,15 @@ tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', func
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ]);
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = 1.01 * EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -102,29 +85,15 @@ tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', funct
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = 1.01 * EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2**20 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -138,29 +107,15 @@ tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2*
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -174,29 +129,15 @@ tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**6
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -210,29 +151,15 @@ tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', f
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
 
 tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -246,20 +173,8 @@ tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', fu
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[ 0 ] === sine[ i ] ) {
-			t.strictEqual( y[ 0 ], sine[ i ], 'x: ' + x[ i ] + '. Expected: ' + sine[ i ] );
-		} else {
-			delta = absf( y[ 0 ] - sine[ i ] );
-			tol = EPS * absf( sine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 0 ] + '. Expected: ' + sine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
-		if ( y[ 1 ] === cosine[ i ] ) {
-			t.strictEqual( y[ 1 ], cosine[ i ], 'x: ' + x[ i ] + '. Expected: ' + cosine[ i ] );
-		} else {
-			delta = absf( y[ 1 ] - cosine[ i ] );
-			tol = EPS * absf( cosine[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: ' + x[ i ] + '. Value: ' + y[ 1 ] + '. Expected: ' + cosine[ i ] + '. tol: ' + tol + '. delta: ' + delta + '.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 } );
diff --git a/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.native.js
index d48cda1870d0..5b826d18f825 100644
--- a/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/sincosdf/test/test.native.js
@@ -22,11 +22,10 @@
 
 var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
 var NINF = require( '@stdlib/constants/float32/ninf' );
-var EPS = require( '@stdlib/constants/float32/eps' );
-var absf = require( '@stdlib/math/base/special/absf' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 var f32 = require( '@stdlib/number/float64/base/to-float32' );
 
@@ -59,9 +58,7 @@ tape( 'main export is a function', opts, function test( t ) {
 
 tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', opts, function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -75,29 +72,15 @@ tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', opts
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[0] === sine[i] ) {
-			t.strictEqual( y[0], sine[i], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = absf( y[0] - sine[i] );
-			tol = EPS * absf( sine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
-		if ( y[1] === cosine[i] ) {
-			t.strictEqual( y[1], cosine[i], 'x: '+x[i]+'. Expected: '+cosine[i] );
-		} else {
-			delta = absf( y[1] - cosine[i] );
-			tol = 1.01 * EPS * absf( cosine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', opts, function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -111,29 +94,15 @@ tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', opts,
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[0] === sine[i] ) {
-			t.strictEqual( y[0], sine[i], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = absf( y[0] - sine[i] );
-			tol = EPS * absf( sine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
-		if ( y[1] === cosine[i] ) {
-			t.strictEqual( y[1], cosine[i], 'x: '+x[i]+'. Expected: '+cosine[i] );
-		} else {
-			delta = absf( y[1] - cosine[i] );
-			tol = 1.01 * EPS * absf( cosine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2**20 (180.0/2))', opts, function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -147,29 +116,15 @@ tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2*
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[0] === sine[i] ) {
-			t.strictEqual( y[0], sine[i], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = absf( y[0] - sine[i] );
-			tol = EPS * absf( sine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
-		if ( y[1] === cosine[i] ) {
-			t.strictEqual( y[1], cosine[i], 'x: '+x[i]+'. Expected: '+cosine[i] );
-		} else {
-			delta = absf( y[1] - cosine[i] );
-			tol = EPS * absf( cosine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**60 (180.0/2))', opts, function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -183,29 +138,15 @@ tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**6
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[0] === sine[i] ) {
-			t.strictEqual( y[0], sine[i], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = absf( y[0] - sine[i] );
-			tol = EPS * absf( sine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
-		if ( y[1] === cosine[i] ) {
-			t.strictEqual( y[1], cosine[i], 'x: '+x[i]+'. Expected: '+cosine[i] );
-		} else {
-			delta = absf( y[1] - cosine[i] );
-			tol = EPS * absf( cosine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', opts, function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -219,29 +160,15 @@ tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', o
 		y = sincosdf( x[ i ] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[0] === sine[i] ) {
-			t.strictEqual( y[0], sine[i], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = absf( y[0] - sine[i] );
-			tol = EPS * absf( sine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
-		if ( y[1] === cosine[i] ) {
-			t.strictEqual( y[1], cosine[i], 'x: '+x[i]+'. Expected: '+cosine[i] );
-		} else {
-			delta = absf( y[1] - cosine[i] );
-			tol = EPS * absf( cosine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', opts, function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -255,20 +182,8 @@ tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', op
 		y = sincosdf( x[i] );
 		sine[ i ] = f32( sine[ i ] );
 		cosine[ i ] = f32( cosine[ i ] );
-		if ( y[0] === sine[i] ) {
-			t.strictEqual( y[0], sine[i], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = absf( y[0] - sine[i] );
-			tol = EPS * absf( sine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
-		if ( y[1] === cosine[i] ) {
-			t.strictEqual( y[1], cosine[i], 'x: '+x[i]+'. Expected: '+cosine[i] );
-		} else {
-			delta = absf( y[1] - cosine[i] );
-			tol = EPS * absf( cosine[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y[ 0 ], sine[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( y[ 1 ], cosine[ i ], 0 ), true, 'returns expected value' );
 	}
 	t.end();
 });