From f2526054e17f82f66951f5fa7f00474e79a890dc Mon Sep 17 00:00:00 2001
From: Athan Reines <kgryte+claude@gmail.com>
Date: Wed, 19 Aug 2026 14:26:53 +0000
Subject: [PATCH] test: migrate `math/base/special/cflipsignf` to ULP-based
 assertions

Ref: https://github.com/stdlib-js/stdlib/issues/11352
---
 .../math/base/special/cflipsignf/test/test.js | 19 +++----------------
 .../special/cflipsignf/test/test.native.js    | 19 +++----------------
 2 files changed, 6 insertions(+), 32 deletions(-)

diff --git a/lib/node_modules/@stdlib/math/base/special/cflipsignf/test/test.js b/lib/node_modules/@stdlib/math/base/special/cflipsignf/test/test.js
index ced5ccdcbb07..f89eeb5b839b 100644
--- a/lib/node_modules/@stdlib/math/base/special/cflipsignf/test/test.js
+++ b/lib/node_modules/@stdlib/math/base/special/cflipsignf/test/test.js
@@ -24,8 +24,7 @@ var tape = require( 'tape' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
 var NINF = require( '@stdlib/constants/float32/ninf' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
-var EPS = require( '@stdlib/constants/float32/eps' );
-var absf = require( '@stdlib/math/base/special/absf' );
+var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
 var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' );
 var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' );
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
@@ -48,13 +47,11 @@ tape( 'main export is a function', function test( t ) {
 });
 
 tape( 'the function evaluates the flipsign function', function test( t ) {
-	var delta;
 	var ans;
 	var ere;
 	var eim;
 	var are;
 	var aim;
-	var tol;
 	var re;
 	var im;
 	var y;
@@ -72,18 +69,8 @@ tape( 'the function evaluates the flipsign function', function test( t ) {
 		ans = cflipsignf( z, y[ i ] );
 		are = real( ans );
 		aim = imag( ans );
-		if ( are === ere[ i ] && aim === eim[ i ] ) {
-			t.strictEqual( are, ere[ i ], 're: '+re[ i ]+'. Expected: '+ere[ i ] );
-			t.strictEqual( aim, eim[ i ], 'im: '+im[ i ]+'. Expected: '+eim[ i ] );
-		} else {
-			delta = absf( are - ere[ i ] );
-			tol = EPS * absf( ere[ i ] );
-			t.ok( delta <= tol, 'within tolerance. re: '+re[ i ]+'. im: '+im[ i ]+'. Actual re: '+are+'. Expected re: '+ere[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
-
-			delta = absf( aim - eim[ i ] );
-			tol = EPS * absf( eim[ i ] );
-			t.ok( delta <= tol, 'within tolerance. re: '+re[ i ]+'. im: '+im[ i ]+'. Actual im: '+aim+'. Expected im: '+eim[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( are, ere[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( aim, eim[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/math/base/special/cflipsignf/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/cflipsignf/test/test.native.js
index bc2f3c4c065e..5ad0af38414e 100644
--- a/lib/node_modules/@stdlib/math/base/special/cflipsignf/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/cflipsignf/test/test.native.js
@@ -25,8 +25,7 @@ var tape = require( 'tape' );
 var PINF = require( '@stdlib/constants/float32/pinf' );
 var NINF = require( '@stdlib/constants/float32/ninf' );
 var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
-var EPS = require( '@stdlib/constants/float32/eps' );
-var absf = require( '@stdlib/math/base/special/absf' );
+var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
 var isNegativeZerof = require( '@stdlib/math/base/assert/is-negative-zerof' );
 var isPositiveZerof = require( '@stdlib/math/base/assert/is-positive-zerof' );
 var Complex64 = require( '@stdlib/complex/float32/ctor' );
@@ -57,13 +56,11 @@ tape( 'main export is a function', opts, function test( t ) {
 });
 
 tape( 'the function evaluates the flipsign function', opts, function test( t ) {
-	var delta;
 	var ans;
 	var ere;
 	var eim;
 	var are;
 	var aim;
-	var tol;
 	var re;
 	var im;
 	var y;
@@ -81,18 +78,8 @@ tape( 'the function evaluates the flipsign function', opts, function test( t ) {
 		ans = cflipsignf( z, y[ i ] );
 		are = real( ans );
 		aim = imag( ans );
-		if ( are === ere[ i ] && aim === eim[ i ] ) {
-			t.strictEqual( are, ere[ i ], 're: '+re[ i ]+'. Expected: '+ere[ i ] );
-			t.strictEqual( aim, eim[ i ], 'im: '+im[ i ]+'. Expected: '+eim[ i ] );
-		} else {
-			delta = absf( are - ere[ i ] );
-			tol = EPS * absf( ere[ i ] );
-			t.ok( delta <= tol, 'within tolerance. re: '+re[ i ]+'. im: '+im[ i ]+'. Actual re: '+are+'. Expected re: '+ere[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
-
-			delta = absf( aim - eim[ i ] );
-			tol = EPS * absf( eim[ i ] );
-			t.ok( delta <= tol, 'within tolerance. re: '+re[ i ]+'. im: '+im[ i ]+'. Actual im: '+aim+'. Expected im: '+eim[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( are, ere[ i ], 1 ), true, 'returns expected value' );
+		t.strictEqual( isAlmostSameValue( aim, eim[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });