From a0b880a586a1c2e75e8f682c1d557251089a0ca1 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Mon, 27 Jul 2026 09:21:27 +0000
Subject: [PATCH] test: migrate `math/base/special/logaddexp` to ULP-based
 testing

Resolves a part of #11352.

Migrates the fixture-loop assertions in test.js and test.native.js from
relative-tolerance (EPS-based) checks to exact-equality assertions. The
JavaScript implementation matches the reference fixture values (1000
cases) exactly (0 ULP difference in every case), so per the precedent
established for math/base/special/sqrt (#12764), plain t.strictEqual()
is used instead of isAlmostSameValue(), and the now-unused EPS/abs/
delta/tol machinery is removed.
---
 .../@stdlib/math/base/special/logaddexp/test/test.js | 12 +-----------
 .../math/base/special/logaddexp/test/test.native.js  | 12 +-----------
 2 files changed, 2 insertions(+), 22 deletions(-)

diff --git a/lib/node_modules/@stdlib/math/base/special/logaddexp/test/test.js b/lib/node_modules/@stdlib/math/base/special/logaddexp/test/test.js
index 6f47efeb9ae6..2103e1a75fb9 100644
--- a/lib/node_modules/@stdlib/math/base/special/logaddexp/test/test.js
+++ b/lib/node_modules/@stdlib/math/base/special/logaddexp/test/test.js
@@ -22,10 +22,8 @@
 
 var tape = require( 'tape' );
 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 randu = require( '@stdlib/random/base/randu' );
 var logaddexp = require( './../lib' );
 
@@ -103,8 +101,6 @@ tape( 'the function returns `-infinity` if both arguments are `-infinity`', func
 
 tape( 'the function accurately computes the natural logarithm of exp(x) + exp(y)', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var v;
@@ -115,13 +111,7 @@ tape( 'the function accurately computes the natural logarithm of exp(x) + exp(y)
 	expected = data.expected;
 	for ( i = 0; i < expected.length; i++ ) {
 		v = logaddexp( x[ i ], y[ i ] );
-		if ( v === expected[ i ] ) {
-			t.strictEqual( v, expected[ i ], 'returns expected value when provided '+x[ i ]+' and '+y[ i ] );
-		} else {
-			delta = abs( expected[ i ] - v );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. y: '+y[ i ]+'. actual: '+v+'. expected: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( v, expected[ i ], 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/math/base/special/logaddexp/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/logaddexp/test/test.native.js
index 91c1ae972f4d..e78db18776c1 100644
--- a/lib/node_modules/@stdlib/math/base/special/logaddexp/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/logaddexp/test/test.native.js
@@ -27,8 +27,6 @@ var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
 var randu = require( '@stdlib/random/base/randu' );
 var tryRequire = require( '@stdlib/utils/try-require' );
-var EPS = require( '@stdlib/constants/float64/eps' );
-var abs = require( '@stdlib/math/base/special/abs' );
 
 
 // FIXTURES //
@@ -112,8 +110,6 @@ tape( 'the function returns `-infinity` if both arguments are `-infinity`', opts
 
 tape( 'the function accurately computes the natural logarithm of exp(x) + exp(y)', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var y;
 	var v;
@@ -124,13 +120,7 @@ tape( 'the function accurately computes the natural logarithm of exp(x) + exp(y)
 	expected = data.expected;
 	for ( i = 0; i < expected.length; i++ ) {
 		v = logaddexp( x[ i ], y[ i ] );
-		if ( v === expected[ i ] ) {
-			t.strictEqual( v, expected[ i ], 'returns expected value when provided '+x[ i ]+' and '+y[ i ] );
-		} else {
-			delta = abs( expected[ i ] - v );
-			tol = EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. y: '+y[ i ]+'. actual: '+v+'. expected: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( v, expected[ i ], 'returns expected value' );
 	}
 	t.end();
 });