From f2d092036a266f128a0851ed72d8ff56f6697b35 Mon Sep 17 00:00:00 2001
From: yb175 <bhatiayug175@gmail.com>
Date: Mon, 28 Sep 2026 11:05:45 +0000
Subject: [PATCH] test: migrate exponential mgf tests to ULP assertions

---
 .../exponential/mgf/test/test.factory.js      | 33 +++----------------
 .../dists/exponential/mgf/test/test.mgf.js    | 33 +++----------------
 .../dists/exponential/mgf/test/test.native.js | 33 +++----------------
 3 files changed, 12 insertions(+), 87 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.factory.js b/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.factory.js
index 87cc3e380e34..33069b54fc5f 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.factory.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.factory.js
@@ -22,10 +22,9 @@
 
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 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' );
 
 
@@ -127,9 +126,7 @@ tape( 'the created function returns `NaN` for `x >= lambda`', function test( t )
 tape( 'the created function evaluates the mgf for `x` given small `lambda` values', function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
 	var mgf;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -140,13 +137,7 @@ tape( 'the created function evaluates the mgf for `x` given small `lambda` value
 	for ( i = 0; i < x.length; i++ ) {
 		mgf = factory( lambda[i] );
 		y = mgf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 100.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 49 ), true, 'returns expected value' );
 	}
 	t.end();
 });
@@ -154,9 +145,7 @@ tape( 'the created function evaluates the mgf for `x` given small `lambda` value
 tape( 'the created function evaluates the mgf for `x` given medium `lambda` values', function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
 	var mgf;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -167,13 +156,7 @@ tape( 'the created function evaluates the mgf for `x` given medium `lambda` valu
 	for ( i = 0; i < x.length; i++ ) {
 		mgf = factory( lambda[i] );
 		y = mgf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 250.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 362 ), true, 'returns expected value' );
 	}
 	t.end();
 });
@@ -181,9 +164,7 @@ tape( 'the created function evaluates the mgf for `x` given medium `lambda` valu
 tape( 'the created function evaluates the mgf for `x` given large `lambda` values', function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
 	var mgf;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -194,13 +175,7 @@ tape( 'the created function evaluates the mgf for `x` given large `lambda` value
 	for ( i = 0; i < x.length; i++ ) {
 		mgf = factory( lambda[i] );
 		y = mgf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 250.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 212 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.mgf.js b/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.mgf.js
index d75c51e0d382..670b9264cb6a 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.mgf.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.mgf.js
@@ -22,10 +22,9 @@
 
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var mgf = require( './../lib' );
 
 
@@ -106,8 +105,6 @@ tape( 'the function returns `NaN` for `x >= lambda`', function test( t ) {
 tape( 'the function evaluates the mgf for `x` given small `lambda` values', function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -117,13 +114,7 @@ tape( 'the function evaluates the mgf for `x` given small `lambda` values', func
 	lambda = small.lambda;
 	for ( i = 0; i < x.length; i++ ) {
 		y = mgf( x[i], lambda[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 100.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 49 ), true, 'returns expected value' );
 	}
 	t.end();
 });
@@ -131,8 +122,6 @@ tape( 'the function evaluates the mgf for `x` given small `lambda` values', func
 tape( 'the function evaluates the mgf for `x` given medium `lambda` values', function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -142,13 +131,7 @@ tape( 'the function evaluates the mgf for `x` given medium `lambda` values', fun
 	lambda = medium.lambda;
 	for ( i = 0; i < x.length; i++ ) {
 		y = mgf( x[i], lambda[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 250.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 362 ), true, 'returns expected value' );
 	}
 	t.end();
 });
@@ -156,8 +139,6 @@ tape( 'the function evaluates the mgf for `x` given medium `lambda` values', fun
 tape( 'the function evaluates the mgf for `x` given large `lambda` values', function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -167,13 +148,7 @@ tape( 'the function evaluates the mgf for `x` given large `lambda` values', func
 	lambda = large.lambda;
 	for ( i = 0; i < x.length; i++ ) {
 		y = mgf( x[i], lambda[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 250.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 212 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.native.js
index 3bc3be281c98..c7a9b03e6876 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/exponential/mgf/test/test.native.js
@@ -24,10 +24,9 @@ var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
 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 isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 
 
 // FIXTURES //
@@ -115,8 +114,6 @@ tape( 'the function returns `NaN` for `x >= lambda`', opts, function test( t ) {
 tape( 'the function evaluates the mgf for `x` given small `lambda` values', opts, function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -126,13 +123,7 @@ tape( 'the function evaluates the mgf for `x` given small `lambda` values', opts
 	lambda = small.lambda;
 	for ( i = 0; i < x.length; i++ ) {
 		y = mgf( x[i], lambda[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 100.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 49 ), true, 'returns expected value' );
 	}
 	t.end();
 });
@@ -140,8 +131,6 @@ tape( 'the function evaluates the mgf for `x` given small `lambda` values', opts
 tape( 'the function evaluates the mgf for `x` given medium `lambda` values', opts, function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -151,13 +140,7 @@ tape( 'the function evaluates the mgf for `x` given medium `lambda` values', opt
 	lambda = medium.lambda;
 	for ( i = 0; i < x.length; i++ ) {
 		y = mgf( x[i], lambda[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 250.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 362 ), true, 'returns expected value' );
 	}
 	t.end();
 });
@@ -165,8 +148,6 @@ tape( 'the function evaluates the mgf for `x` given medium `lambda` values', opt
 tape( 'the function evaluates the mgf for `x` given large `lambda` values', opts, function test( t ) {
 	var expected;
 	var lambda;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -176,13 +157,7 @@ tape( 'the function evaluates the mgf for `x` given large `lambda` values', opts
 	lambda = large.lambda;
 	for ( i = 0; i < x.length; i++ ) {
 		y = mgf( x[i], lambda[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i] );
-		} else {
-			delta = abs( y - expected[i] );
-			tol = 250.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. λ: '+lambda[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 212 ), true, 'returns expected value' );
 	}
 	t.end();
 });