From ddc38cfda401562e71decae7160d491ff492156a Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Sun, 20 Sep 2026 22:13:48 +0000
Subject: [PATCH] test: migrate `stats/levene-test` to ULP-based assertions

Replace relative tolerance comparisons with `isAlmostSameValue` ULP
difference assertions, using the minimum required ULP value for each
test case.

Ref: https://github.com/stdlib-js/stdlib/issues/11352

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LdEDYG8BKCsQjS5dDNJszp

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
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    status: passed
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---
---
 .../@stdlib/stats/levene-test/test/test.js          | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/levene-test/test/test.js b/lib/node_modules/@stdlib/stats/levene-test/test/test.js
index 2274b74306aa..b3c999f3fefa 100644
--- a/lib/node_modules/@stdlib/stats/levene-test/test/test.js
+++ b/lib/node_modules/@stdlib/stats/levene-test/test/test.js
@@ -21,9 +21,8 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var contains = require( '@stdlib/assert/contains' );
-var abs = require( '@stdlib/math/base/special/abs' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var leveneTest = require( './../lib' );
 
 
@@ -162,8 +161,6 @@ tape( 'the function throws an error if the `groups` option array does not contai
 
 tape( 'the function correctly computes Levene\'s test for homogeneity of variance', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var out;
 
 	out = leveneTest( fixtures.x, {
@@ -172,14 +169,10 @@ tape( 'the function correctly computes Levene\'s test for homogeneity of varianc
 
 	// Tested against R:
 	expected = fixtures.pValue;
-	delta = abs( out.pValue - expected );
-	tol = 2.0 * EPS * abs( expected );
-	t.ok( delta <= tol, 'within tolerance. p-value: '+out.pValue+'. E: '+expected+' Δ: '+delta+'. tol: '+tol );
+	t.strictEqual( isAlmostSameValue( out.pValue, expected, 2 ), true, 'returns expected value' );
 
 	expected = fixtures.statistic;
-	delta = abs( out.statistic - expected );
-	tol = 2.0 * EPS * abs( expected );
-	t.ok( delta <= tol, 'within tolerance. test statistic: '+out.statistic+'. E: '+expected+' Δ: '+delta+'. tol: '+tol );
+	t.strictEqual( isAlmostSameValue( out.statistic, expected, 1 ), true, 'returns expected value' );
 
 	t.end();
 });