diff --git a/lib/node_modules/@stdlib/stats/base/dists/negative-binomial/cdf/test/test.cdf.js b/lib/node_modules/@stdlib/stats/base/dists/negative-binomial/cdf/test/test.cdf.js
index f1b00caf4959..e28e73836463 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/negative-binomial/cdf/test/test.cdf.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/negative-binomial/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' );
 
 
@@ -113,8 +112,6 @@ tape( 'if provided a success probability `p` outside of `[0,1]`, the function re
 
 tape( 'the function evaluates the cdf for `x` given large `r` and `p`', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var r;
 	var p;
@@ -127,21 +124,13 @@ tape( 'the function evaluates the cdf for `x` given large `r` and `p`', function
 	p = highHigh.p;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], r[i], p[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', r: '+r[i]+', p: '+p[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 80.0 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. x: '+x[i]+'. r: '+r[i]+'. p: '+p[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[i], 63 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` given large `r` and small `p`', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var r;
 	var p;
@@ -154,21 +143,13 @@ tape( 'the function evaluates the cdf for `x` given large `r` and small `p`', fu
 	p = highSmall.p;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], r[i], p[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', r: '+r[i]+', p: '+p[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 320.0 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. x: '+x[i]+'. r: '+r[i]+'. p: '+p[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[i], 441 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` given small `r` and large `p`', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var r;
 	var p;
@@ -181,21 +162,13 @@ tape( 'the function evaluates the cdf for `x` given small `r` and large `p`', fu
 	p = smallHigh.p;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], r[i], p[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', r: '+r[i]+', p: '+p[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 10.0 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. x: '+x[i]+'. r: '+r[i]+'. p: '+p[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[i], 9 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` given small `r` and `p`', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var r;
 	var p;
@@ -208,13 +181,7 @@ tape( 'the function evaluates the cdf for `x` given small `r` and `p`', function
 	p = smallSmall.p;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], r[i], p[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', r: '+r[i]+', p: '+p[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 80.0 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. x: '+x[i]+'. r: '+r[i]+'. p: '+p[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[i], 89 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/stats/base/dists/negative-binomial/cdf/test/test.factory.js b/lib/node_modules/@stdlib/stats/base/dists/negative-binomial/cdf/test/test.factory.js
index 73e9daf59602..e5ce2c1453ef 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/negative-binomial/cdf/test/test.factory.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/negative-binomial/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' );
 
 
@@ -161,9 +160,7 @@ tape( 'if provided a success probability `p` outside `[0,1]`, the created functi
 
 tape( 'the created function evaluates the cdf for `x` given large `r` and `p`', function test( t ) {
 	var expected;
-	var delta;
 	var cdf;
-	var tol;
 	var i;
 	var r;
 	var p;
@@ -177,22 +174,14 @@ tape( 'the created function evaluates the cdf for `x` given large `r` and `p`',
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( r[i], p[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', r: '+r[i]+', p: '+p[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 60.0 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. x: '+x[i]+'. r: '+r[i]+'. p: '+p[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[i], 63 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the created function evaluates the cdf for `x` given large `r` and small `p`', function test( t ) {
 	var expected;
-	var delta;
 	var cdf;
-	var tol;
 	var i;
 	var p;
 	var r;
@@ -206,22 +195,14 @@ tape( 'the created function evaluates the cdf for `x` given large `r` and small
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( r[i], p[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', r: '+r[i]+', p: '+p[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 320.0 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. x: '+x[i]+'. r: '+r[i]+'. p: '+p[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[i], 441 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the created function evaluates the cdf for `x` given small `r` and large `p`', function test( t ) {
 	var expected;
-	var delta;
 	var cdf;
-	var tol;
 	var i;
 	var r;
 	var p;
@@ -235,22 +216,14 @@ tape( 'the created function evaluates the cdf for `x` given small `r` and large
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( r[i], p[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', r: '+r[i]+', p: '+p[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 10.0 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. x: '+x[i]+'. r: '+r[i]+'. p: '+p[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[i], 9 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the created function evaluates the cdf for `x` given small `r` and `p`', function test( t ) {
 	var expected;
-	var delta;
 	var cdf;
-	var tol;
 	var i;
 	var r;
 	var p;
@@ -264,13 +237,7 @@ tape( 'the created function evaluates the cdf for `x` given small `r` and `p`',
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( r[i], p[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', r: '+r[i]+', p: '+p[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 80.0 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. x: '+x[i]+'. r: '+r[i]+'. p: '+p[i]+'. y: '+y+'. Expected: '+expected[i]+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[i], 89 ), true, 'returns expected value' );
 	}
 	t.end();
 });