From 1b6f01d9d073a5ee81c8a4d6e492ed80c12be45a Mon Sep 17 00:00:00 2001
From: Ujjwal Verma <ujjwalverma010305@gmail.com>
Date: Wed, 12 Aug 2026 19:21:38 +0530
Subject: [PATCH] test(math/base/special/beta): migrate to ULP difference
 testing

---
 .../@stdlib/math/base/special/beta/test/test.js | 17 ++++-------------
 .../math/base/special/beta/test/test.native.js  | 17 ++++-------------
 2 files changed, 8 insertions(+), 26 deletions(-)

diff --git a/lib/node_modules/@stdlib/math/base/special/beta/test/test.js b/lib/node_modules/@stdlib/math/base/special/beta/test/test.js
index 58061dfd3996..a5a24706ea26 100644
--- a/lib/node_modules/@stdlib/math/base/special/beta/test/test.js
+++ b/lib/node_modules/@stdlib/math/base/special/beta/test/test.js
@@ -22,10 +22,9 @@
 
 var tape = require( 'tape' );
 var isInfinite = require( '@stdlib/math/base/assert/is-infinite' );
-var isnan = require( '@stdlib/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var beta = require( './../lib' );
 
 
@@ -99,27 +98,19 @@ tape( 'the function evaluates the beta function (tested against R)', function te
 		y2 = isnan( expected1[ i ] );
 		t.strictEqual( y1, y2, 'returned result is ' + ( (y1) ? '' : 'not' ) + ' NaN' );
 		if ( !y1 ) {
-			t.ok( abs( actual - expected1[ i ] ) < 8e-15, 'returned result is within tolerance. actual: ' + actual + '; expected: ' + expected1[ i ] + '.' );
+			t.strictEqual( isAlmostSameValue( actual, expected1[ i ], 1523 ), true, 'returns expected value' );
 		}
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the beta function (tested against Boost)', function test( t ) {
-	var delta;
-	var tol;
 	var i;
 	var y;
 
 	for ( i = 0; i < a2.length; i++ ) {
 		y = beta( a2[i], b2[i] );
-		if ( y === expected2[i] ) {
-			t.strictEqual( y, expected2[i], 'y: '+y+'. a: '+a2[i]+'. b: '+b2[i]+', expected: '+expected2[i] );
-		} else {
-			delta = abs( y - expected2[ i ] );
-			tol = 160.0 * EPS * abs( expected2[ i ] );
-			t.ok( delta <= tol, 'within tolerance. a: '+a2[i]+'. b: '+b2[i]+'. y: '+y+'. E: '+expected2[i]+'. Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected2[ i ], 267 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/math/base/special/beta/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/beta/test/test.native.js
index 682c8881c34d..a3c237ee3dc6 100644
--- a/lib/node_modules/@stdlib/math/base/special/beta/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/beta/test/test.native.js
@@ -23,10 +23,9 @@
 var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
 var isInfinite = require( '@stdlib/math/base/assert/is-infinite' );
-var isnan = require( '@stdlib/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -108,27 +107,19 @@ tape( 'the function evaluates the beta function (tested against R)', opts, funct
 		y2 = isnan( expected1[ i ] );
 		t.strictEqual( y1, y2, 'returned result is ' + ( (y1) ? '' : 'not' ) + ' NaN' );
 		if ( !y1 ) {
-			t.ok( abs( actual - expected1[ i ] ) < 8e-15, 'returned result is within tolerance. actual: ' + actual + '; expected: ' + expected1[ i ] + '.' );
+			t.strictEqual( isAlmostSameValue( actual, expected1[ i ], 1523 ), true, 'returns expected value' );
 		}
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the beta function (tested against Boost)', opts, function test( t ) {
-	var delta;
-	var tol;
 	var i;
 	var y;
 
 	for ( i = 0; i < a2.length; i++ ) {
 		y = beta( a2[i], b2[i] );
-		if ( y === expected2[i] ) {
-			t.strictEqual( y, expected2[i], 'y: '+y+'. a: '+a2[i]+'. b: '+b2[i]+', expected: '+expected2[i] );
-		} else {
-			delta = abs( y - expected2[ i ] );
-			tol = 160.0 * EPS * abs( expected2[ i ] );
-			t.ok( delta <= tol, 'within tolerance. a: '+a2[i]+'. b: '+b2[i]+'. y: '+y+'. E: '+expected2[i]+'. Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected2[ i ], 267 ), true, 'returns expected value' );
 	}
 	t.end();
 });