diff --git a/lib/node_modules/@stdlib/lapack/base/crot/test/test.crot.js b/lib/node_modules/@stdlib/lapack/base/crot/test/test.crot.js
index 3fb14fdf4626..9af4071af793 100644
--- a/lib/node_modules/@stdlib/lapack/base/crot/test/test.crot.js
+++ b/lib/node_modules/@stdlib/lapack/base/crot/test/test.crot.js
@@ -24,8 +24,7 @@ var tape = require( 'tape' );
 var Float32Array = require( '@stdlib/array/float32' );
 var Complex64Array = require( '@stdlib/array/complex64' );
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
-var EPS = require( '@stdlib/constants/float32/eps' );
-var absf = require( '@stdlib/math/base/special/absf' );
+var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
 var crot = require( './../lib/crot.js' );
 
 
@@ -38,22 +37,14 @@ var crot = require( './../lib/crot.js' );
 * @param {Object} t - test object
 * @param {Collection} actual - actual values
 * @param {Collection} expected - expected values
-* @param {number} rtol - relative tolerance
+* @param {NonNegativeInteger} ulp - maximum allowed ULP difference
 */
-function isApprox( t, actual, expected, rtol ) {
-	var delta;
-	var tol;
+function isApprox( t, actual, expected, ulp ) {
 	var i;
 
 	t.strictEqual( actual.length, expected.length, 'returns expected value' );
 	for ( i = 0; i < expected.length; i++ ) {
-		if ( actual[ i ] === expected[ i ] ) {
-			t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
-		} else {
-			delta = absf( actual[ i ] - expected[ i ] );
-			tol = rtol * EPS * absf( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValuef( actual[ i ], expected[ i ], ulp ), true, 'returns expected value' );
 	}
 }
 
@@ -130,8 +121,8 @@ tape( 'the function applies a plane rotation', function test( t ) {
 	]);
 
 	out = crot( cx.length, cx, 1, cy, 1, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 2.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 1 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -195,8 +186,8 @@ tape( 'the function applies a plane rotation', function test( t ) {
 	]);
 
 	out = crot( cx.length, cx, 1, cy, 1, 1.25, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 2.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 0 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -260,8 +251,8 @@ tape( 'the function applies a plane rotation', function test( t ) {
 	]);
 
 	out = crot( cx.length, cx, 1, cy, 1, 1.25, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 4.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 5 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -323,8 +314,8 @@ tape( 'the function supports an `x` stride', function test( t ) {
 	]);
 
 	out = crot( 2, cx, 2, cy, 1, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 4.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 5 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -386,8 +377,8 @@ tape( 'the function supports a `y` stride', function test( t ) {
 	]);
 
 	out = crot( 2, cx, 1, cy, 2, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 2.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 1 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -495,8 +486,8 @@ tape( 'the function supports negative strides', function test( t ) {
 	]);
 
 	out = crot( 2, cx, -1, cy, -2, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 2.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 1 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -558,8 +549,8 @@ tape( 'the function supports complex access patterns', function test( t ) {
 	]);
 
 	out = crot( 2, cx, 2, cy, -1, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 4.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 5 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -629,8 +620,8 @@ tape( 'the function supports view offsets', function test( t ) {
 	]);
 
 	out = crot( 2, cx1, -2, cy1, 1, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 4.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 5 );
 	t.strictEqual( out, cy1, 'returns expected value' );
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/lapack/base/crot/test/test.ndarray.js b/lib/node_modules/@stdlib/lapack/base/crot/test/test.ndarray.js
index 35b67bd85266..de70e5104e4d 100644
--- a/lib/node_modules/@stdlib/lapack/base/crot/test/test.ndarray.js
+++ b/lib/node_modules/@stdlib/lapack/base/crot/test/test.ndarray.js
@@ -24,8 +24,7 @@ var tape = require( 'tape' );
 var Float32Array = require( '@stdlib/array/float32' );
 var Complex64Array = require( '@stdlib/array/complex64' );
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
-var EPS = require( '@stdlib/constants/float32/eps' );
-var absf = require( '@stdlib/math/base/special/absf' );
+var isAlmostSameValuef = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
 var crot = require( './../lib/ndarray.js' );
 
 
@@ -38,22 +37,14 @@ var crot = require( './../lib/ndarray.js' );
 * @param {Object} t - test object
 * @param {Collection} actual - actual values
 * @param {Collection} expected - expected values
-* @param {number} rtol - relative tolerance
+* @param {NonNegativeInteger} ulp - maximum allowed ULP difference
 */
-function isApprox( t, actual, expected, rtol ) {
-	var delta;
-	var tol;
+function isApprox( t, actual, expected, ulp ) {
 	var i;
 
 	t.strictEqual( actual.length, expected.length, 'returns expected value' );
 	for ( i = 0; i < expected.length; i++ ) {
-		if ( actual[ i ] === expected[ i ] ) {
-			t.strictEqual( actual[ i ], expected[ i ], 'returns expected value' );
-		} else {
-			delta = absf( actual[ i ] - expected[ i ] );
-			tol = rtol * EPS * absf( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. actual: '+actual[ i ]+'. expected: '+expected[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValuef( actual[ i ], expected[ i ], ulp ), true, 'returns expected value' );
 	}
 }
 
@@ -129,8 +120,8 @@ tape( 'the function applies a plane rotation', function test( t ) {
 	]);
 
 	out = crot( cx.length, cx, 1, 0, cy, 1, 0, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 2.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 1 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -192,8 +183,8 @@ tape( 'the function supports an `x` stride', function test( t ) {
 	]);
 
 	out = crot( 2, cx, 2, 0, cy, 1, 0, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 2.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 1 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -255,8 +246,8 @@ tape( 'the function supports an `x` offset', function test( t ) {
 	]);
 
 	out = crot( 3, cx, 1, 1, cy, 1, 0, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 4.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 5 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -318,8 +309,8 @@ tape( 'the function supports a `y` stride', function test( t ) {
 	]);
 
 	out = crot( 2, cx, 1, 0, cy, 2, 0, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 2.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 1 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -381,8 +372,8 @@ tape( 'the function supports a `y` offset', function test( t ) {
 	]);
 
 	out = crot( 2, cx, 2, 0, cy, -1, 1, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 4.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 5 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -490,8 +481,8 @@ tape( 'the function supports negative strides', function test( t ) {
 	]);
 
 	out = crot( 2, cx, -1, 1, cy, -2, 2, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 2.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 1 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });
@@ -553,8 +544,8 @@ tape( 'the function supports complex access patterns', function test( t ) {
 	]);
 
 	out = crot( 2, cx, 2, 1, cy, 1, 2, 0.8, s );
-	isApprox( t, viewX, cxe, 2.0 );
-	isApprox( t, viewY, cye, 4.0 );
+	isApprox( t, viewX, cxe, 0 );
+	isApprox( t, viewY, cye, 5 );
 	t.strictEqual( out, cy, 'returns expected value' );
 	t.end();
 });