From bfd2860aeacf78ccebe52eccf8b6bda528d79b9d Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Sun, 9 Aug 2026 09:24:40 +0000
Subject: [PATCH] test: migrate `stats/base/dists/chi/quantile` to ULP-based
 assertions

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

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: skipped
  - task: lint_markdown_pkg_readmes
    status: na
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  - task: lint_javascript_src
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    status: passed
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  - task: lint_typescript_tests
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    status: passed
---
---
 .../base/dists/chi/quantile/test/test.factory.js    | 13 ++-----------
 .../base/dists/chi/quantile/test/test.quantile.js   | 13 ++-----------
 2 files changed, 4 insertions(+), 22 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.factory.js b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.factory.js
index 771dfcb501d0..bfca008b92cd 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.factory.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.factory.js
@@ -21,9 +21,8 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 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 factory = require( './../lib/factory.js' );
 
 
@@ -114,8 +113,6 @@ tape( 'if `k` equals `0`, the created function evaluates a degenerate distributi
 tape( 'the created function evaluates the quantile for `x` given parameter `k`', function test( t ) {
 	var expected;
 	var quantile;
-	var delta;
-	var tol;
 	var p;
 	var k;
 	var y;
@@ -127,13 +124,7 @@ tape( 'the created function evaluates the quantile for `x` given parameter `k`',
 	for ( i = 0; i < p.length; i++ ) {
 		quantile = factory( k[i] );
 		y = quantile( p[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'p: '+p[i]+', k: '+k[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 250.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. k: '+k[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 195 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.quantile.js b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.quantile.js
index f1866b5d8b58..109373810701 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.quantile.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/chi/quantile/test/test.quantile.js
@@ -21,10 +21,9 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var quantile = require( './../lib' );
 
 
@@ -92,8 +91,6 @@ tape( 'if `k` equals `0`, the function evaluates a degenerate distribution cente
 
 tape( 'the function evaluates the quantile for `x` given degrees of freedom `k`', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var p;
 	var k;
 	var y;
@@ -104,13 +101,7 @@ tape( 'the function evaluates the quantile for `x` given degrees of freedom `k`'
 	k = decimalDecimal.k;
 	for ( i = 0; i < p.length; i++ ) {
 		y = quantile( p[i], k[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'p: '+p[i]+', k: '+k[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 250.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. k: '+k[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 195 ), true, 'returns expected value' );
 	}
 	t.end();
 });