diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.cdf.js b/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.cdf.js
index 0de6bf28adff..3cd77c948392 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.cdf.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.cdf.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 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 cdf = require( './../lib' );
 
 
@@ -107,9 +106,7 @@ tape( 'if provided `sigma` equals `0`, the function evaluates a degenerate distr
 
 tape( 'the function evaluates the cdf for `x` (given positive `mu`)', function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -121,22 +118,14 @@ tape( 'the function evaluates the cdf for `x` (given positive `mu`)', function t
 	sigma = positiveMean.sigma;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], mu[i], sigma[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 1600.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2207 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` (given large `sigma`)', function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -148,22 +137,14 @@ tape( 'the function evaluates the cdf for `x` (given large `sigma`)', function t
 	sigma = negativeMean.sigma;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], mu[i], sigma[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 1600.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2433 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` (given negative `mu`)', function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -175,13 +156,7 @@ tape( 'the function evaluates the cdf for `x` (given negative `mu`)', function t
 	sigma = largeVariance.sigma;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], mu[i], sigma[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 250.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 4 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.factory.js b/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.factory.js
index f6c2e3292324..10a51c1620eb 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.factory.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.factory.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 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 factory = require( './../lib/factory.js' );
 
 
@@ -150,10 +149,8 @@ tape( 'if `sigma` equals `0`, the created function evaluates a degenerate distri
 
 tape( 'the created function evaluates the cdf (given positive `mu`)', function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
 	var cdf;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -166,23 +163,15 @@ tape( 'the created function evaluates the cdf (given positive `mu`)', function t
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( mu[i], sigma[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 1600.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2207 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the created function evaluates the cdf (given negative `mu`)', function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
 	var cdf;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -195,23 +184,15 @@ tape( 'the created function evaluates the cdf (given negative `mu`)', function t
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( mu[i], sigma[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 1600.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2433 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the created function evaluates the cdf (given large `sigma`)', function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
 	var cdf;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -224,13 +205,7 @@ tape( 'the created function evaluates the cdf (given large `sigma`)', function t
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( mu[i], sigma[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 250.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 4 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.native.js
index 4645da47a9b9..2fecb4f28332 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/normal/cdf/test/test.native.js
@@ -22,12 +22,11 @@
 
 var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 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' );
 
 
 // FIXTURES //
@@ -116,9 +115,7 @@ tape( 'if provided `sigma` equals `0`, the function evaluates a degenerate distr
 
 tape( 'the function evaluates the cdf for `x` (given positive `mu`)', opts, function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -130,22 +127,14 @@ tape( 'the function evaluates the cdf for `x` (given positive `mu`)', opts, func
 	sigma = positiveMean.sigma;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], mu[i], sigma[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 1600.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2207 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` (given negative `mu`)', opts, function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -157,22 +146,14 @@ tape( 'the function evaluates the cdf for `x` (given negative `mu`)', opts, func
 	sigma = negativeMean.sigma;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], mu[i], sigma[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 1600.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2433 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` (given large `sigma`)', opts, function test( t ) {
 	var expected;
-	var delta;
 	var sigma;
-	var tol;
 	var mu;
 	var i;
 	var x;
@@ -184,13 +165,7 @@ tape( 'the function evaluates the cdf for `x` (given large `sigma`)', opts, func
 	sigma = largeVariance.sigma;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], mu[i], sigma[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', mu: '+mu[i]+', sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 250.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. mu: '+mu[i]+'. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 4 ), true, 'returns expected value' );
 	}
 	t.end();
 });