diff --git a/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.assign.js b/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.assign.js
index 82eca30e4675..e2e882f68596 100644
--- a/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.assign.js
+++ b/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.assign.js
@@ -21,11 +21,10 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var Float64Array = require( '@stdlib/array/float64' );
 var sincosd = require( './../lib/assign.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 z;
@@ -66,29 +63,15 @@ tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', func
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i], z, 1, 0 );
 		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 = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = 1.01 * EPS * abs( 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 ], 2 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 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;
@@ -102,29 +85,15 @@ tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', func
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i], z, 1, 0 );
 		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 = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = 1.01 * EPS * abs( 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 ], 2 ), 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;
@@ -138,29 +107,15 @@ tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', funct
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i], z, 1, 0 );
 		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 = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = 1.01 * EPS * abs( 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 ], 2 ), 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;
@@ -174,29 +129,15 @@ tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2*
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i], z, 1, 0 );
 		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 = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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**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;
@@ -210,29 +151,15 @@ tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**6
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i], z, 1, 0 );
 		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 = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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 x <= -2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -246,29 +173,15 @@ tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', f
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i], z, 1, 0 );
 		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 = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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 x >= 2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -282,20 +195,8 @@ tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', fu
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i], z, 1, 0 );
 		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 = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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();
 });
diff --git a/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.main.js b/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.main.js
index b7c34d0e1aa5..c21da36d77bb 100644
--- a/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.main.js
+++ b/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.main.js
@@ -21,11 +21,10 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var sincosd = require( './../lib/main.js' );
 
 
@@ -49,9 +48,7 @@ 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;
@@ -62,29 +59,15 @@ tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', func
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = 1.01 * EPS * abs( 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 ], 2 ), 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;
@@ -95,29 +78,15 @@ tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', funct
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = 1.01 * EPS * abs( 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 ], 2 ), 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;
@@ -128,29 +97,15 @@ tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2*
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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**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;
@@ -161,29 +116,15 @@ tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**6
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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 x <= -2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -194,29 +135,15 @@ tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', f
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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 x >= 2**60 (180.0/2))', function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -227,20 +154,8 @@ tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', fu
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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();
 });
diff --git a/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.native.js
index efe031ac247d..411babf4d8ca 100644
--- a/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/sincosd/test/test.native.js
@@ -22,11 +22,10 @@
 
 var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -58,9 +57,7 @@ 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;
@@ -71,29 +68,15 @@ tape( 'the function computes the sine and cosine (for -256*180.0 < x < 0)', opts
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = 1.01 * EPS * abs( 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 ], 2 ), 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;
@@ -104,29 +87,15 @@ tape( 'the function computes the sine and cosine (for 0 < x < 256*180.0)', opts,
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = 1.01 * EPS * abs( 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 ], 2 ), 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;
@@ -137,29 +106,15 @@ tape( 'the function computes the sine and cosine (for -2**60 (180.0/2) < x < -2*
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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**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;
@@ -170,29 +125,15 @@ tape( 'the function computes the sine and cosine (for 2**20 (180.0/2) < x < 2**6
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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 x <= -2**60 (180.0/2))', opts, function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -203,29 +144,15 @@ tape( 'the function computes the sine and cosine (for x <= -2**60 (180.0/2))', o
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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 x >= 2**60 (180.0/2))', opts, function test( t ) {
 	var cosine;
-	var delta;
 	var sine;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -236,20 +163,8 @@ tape( 'the function computes the sine and cosine (for x >= 2**60 (180.0/2))', op
 
 	for ( i = 0; i < x.length; i++ ) {
 		y = sincosd( x[i] );
-		if ( y[0] === sine[ i ] ) {
-			t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
-		} else {
-			delta = abs( y[0] - sine[i] );
-			tol = EPS * abs( 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 = abs( y[1] - cosine[i] );
-			tol = EPS * abs( 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();
 });