From 6254c81cc529ee3b30664912f21a56993fc278d7 Mon Sep 17 00:00:00 2001
From: Ujjwal Verma <ujjwalverma010305@gmail.com>
Date: Mon, 27 Jul 2026 15:39:30 +0530
Subject: [PATCH] test: migrate math/base/special/xlog1py to ULP-based testing

---
 .../math/base/special/xlog1py/test/test.js    | 43 +++----------------
 .../base/special/xlog1py/test/test.native.js  | 43 +++----------------
 2 files changed, 10 insertions(+), 76 deletions(-)

diff --git a/lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.js b/lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.js
index b087ccf77ae0..819b6a6a07d2 100644
--- a/lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.js
+++ b/lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.js
@@ -22,8 +22,7 @@
 
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var EPS = require( '@stdlib/constants/float64/eps' );
-var abs = require( '@stdlib/math/base/special/abs' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var xlog1py = require( './../lib' );
 
 
@@ -76,9 +75,7 @@ tape( 'the function returns `0` when `x = 0` and `y` is a number', function test
 
 tape( 'the function evaluates `x * ln(y+1)` for small `x` and `y`', function test( t ) {
 	var expected;
-	var delta;
 	var out;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -88,22 +85,14 @@ tape( 'the function evaluates `x * ln(y+1)` for small `x` and `y`', function tes
 	y = smallSmall.y;
 	for ( i = 0; i < x.length; i++ ) {
 		out = xlog1py( x[i], y[i] );
-		if ( out === expected[i] ) {
-			t.strictEqual( out, expected[i], 'x: '+x[i]+', out: '+out+', expected: '+expected[i] );
-		} else {
-			delta = abs( out - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+out+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( out, expected[i], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates `x * ln(y+1)` for small `x` and large `y`', function test( t ) {
 	var expected;
-	var delta;
 	var out;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -113,22 +102,14 @@ tape( 'the function evaluates `x * ln(y+1)` for small `x` and large `y`', functi
 	y = smallLarge.y;
 	for ( i = 0; i < x.length; i++ ) {
 		out = xlog1py( x[i], y[i] );
-		if ( out === expected[i] ) {
-			t.strictEqual( out, expected[i], 'x: '+x[i]+', out: '+out+', expected: '+expected[i] );
-		} else {
-			delta = abs( out - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+out+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( out, expected[i], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates `x * ln(y+1)` for large `x` and small `y`', function test( t ) {
 	var expected;
-	var delta;
 	var out;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -138,22 +119,14 @@ tape( 'the function evaluates `x * ln(y+1)` for large `x` and small `y`', functi
 	y = largeSmall.y;
 	for ( i = 0; i < x.length; i++ ) {
 		out = xlog1py( x[i], y[i] );
-		if ( out === expected[i] ) {
-			t.strictEqual( out, expected[i], 'x: '+x[i]+', out: '+out+', expected: '+expected[i] );
-		} else {
-			delta = abs( out - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+out+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( out, expected[i], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates `x * ln(y+1)` for large `x` and `y`', function test( t ) {
 	var expected;
-	var delta;
 	var out;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -163,13 +136,7 @@ tape( 'the function evaluates `x * ln(y+1)` for large `x` and `y`', function tes
 	y = largeLarge.y;
 	for ( i = 0; i < x.length; i++ ) {
 		out = xlog1py( x[i], y[i] );
-		if ( out === expected[i] ) {
-			t.strictEqual( out, expected[i], 'x: '+x[i]+', out: '+out+', expected: '+expected[i] );
-		} else {
-			delta = abs( out - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+out+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( out, expected[i], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.native.js
index 1be8701e11cb..99e67c0dcaf6 100644
--- a/lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.native.js
@@ -23,8 +23,7 @@
 var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
-var EPS = require( '@stdlib/constants/float64/eps' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -85,9 +84,7 @@ tape( 'the function returns `0` when `x = 0` and `y` is a number', opts, functio
 
 tape( 'the function evaluates `x * ln(y+1)` for small `x` and `y`', opts, function test( t ) {
 	var expected;
-	var delta;
 	var out;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -97,22 +94,14 @@ tape( 'the function evaluates `x * ln(y+1)` for small `x` and `y`', opts, functi
 	y = smallSmall.y;
 	for ( i = 0; i < x.length; i++ ) {
 		out = xlog1py( x[i], y[i] );
-		if ( out === expected[i] ) {
-			t.strictEqual( out, expected[i], 'x: '+x[i]+', out: '+out+', expected: '+expected[i] );
-		} else {
-			delta = abs( out - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+out+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( out, expected[i], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates `x * ln(y+1)` for small `x` and large `y`', opts, function test( t ) {
 	var expected;
-	var delta;
 	var out;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -122,22 +111,14 @@ tape( 'the function evaluates `x * ln(y+1)` for small `x` and large `y`', opts,
 	y = smallLarge.y;
 	for ( i = 0; i < x.length; i++ ) {
 		out = xlog1py( x[i], y[i] );
-		if ( out === expected[i] ) {
-			t.strictEqual( out, expected[i], 'x: '+x[i]+', out: '+out+', expected: '+expected[i] );
-		} else {
-			delta = abs( out - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+out+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( out, expected[i], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates `x * ln(y+1)` for large `x` and small `y`', opts, function test( t ) {
 	var expected;
-	var delta;
 	var out;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -147,22 +128,14 @@ tape( 'the function evaluates `x * ln(y+1)` for large `x` and small `y`', opts,
 	y = largeSmall.y;
 	for ( i = 0; i < x.length; i++ ) {
 		out = xlog1py( x[i], y[i] );
-		if ( out === expected[i] ) {
-			t.strictEqual( out, expected[i], 'x: '+x[i]+', out: '+out+', expected: '+expected[i] );
-		} else {
-			delta = abs( out - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+out+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( out, expected[i], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates `x * ln(y+1)` for large `x` and `y`', opts, function test( t ) {
 	var expected;
-	var delta;
 	var out;
-	var tol;
 	var x;
 	var y;
 	var i;
@@ -172,13 +145,7 @@ tape( 'the function evaluates `x * ln(y+1)` for large `x` and `y`', opts, functi
 	y = largeLarge.y;
 	for ( i = 0; i < x.length; i++ ) {
 		out = xlog1py( x[i], y[i] );
-		if ( out === expected[i] ) {
-			t.strictEqual( out, expected[i], 'x: '+x[i]+', out: '+out+', expected: '+expected[i] );
-		} else {
-			delta = abs( out - expected[i] );
-			tol = 2.0 * EPS * abs( expected[i] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+out+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( out, expected[i], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });