From 3349e4ac0b3f005f7bbff006d73ac916a611a343 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Fri, 14 Aug 2026 09:28:22 +0000
Subject: [PATCH] test: migrate `stats/base/dists/f/stdev` to ULP-based
 assertions

Replaces the relative-tolerance comparison (delta/tol against EPS) in
test.js and test.native.js with `isAlmostSameValue`, tightened to the
minimum required ULP bound of 2.

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.
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---
---
 .../@stdlib/stats/base/dists/f/stdev/test/test.js   | 13 ++-----------
 .../stats/base/dists/f/stdev/test/test.native.js    | 13 ++-----------
 2 files changed, 4 insertions(+), 22 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/f/stdev/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/f/stdev/test/test.js
index a473e489e2c9..6b8770b427bc 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/f/stdev/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/f/stdev/test/test.js
@@ -21,11 +21,10 @@
 // MODULES //
 
 var tape = require( 'tape' );
-var abs = require( '@stdlib/math/base/special/abs' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var stdev = require( './../lib' );
 
 
@@ -108,8 +107,6 @@ tape( 'if provided `d2 <= 4`, the function returns `NaN`', function test( t ) {
 
 tape( 'the function returns the standard deviation of an F distribution', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var d1;
 	var d2;
 	var i;
@@ -120,13 +117,7 @@ tape( 'the function returns the standard deviation of an F distribution', functi
 	d2 = data.d2;
 	for ( i = 0; i < expected.length; i++ ) {
 		y = stdev( d1[i], d2[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'd1: '+d1[i]+', d2: '+d2[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 2.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. d1: '+d1[i]+'. d2: '+d2[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/stats/base/dists/f/stdev/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/f/stdev/test/test.native.js
index 714f33c45621..af831f5a307c 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/f/stdev/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/f/stdev/test/test.native.js
@@ -22,12 +22,11 @@
 
 var resolve = require( 'path' ).resolve;
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 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' );
 
 
 // FIXTURES //
@@ -117,8 +116,6 @@ tape( 'if provided `d2 <= 4`, the function returns `NaN`', opts, function test(
 
 tape( 'the function returns the standard deviation of an F distribution', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var d1;
 	var d2;
 	var i;
@@ -129,13 +126,7 @@ tape( 'the function returns the standard deviation of an F distribution', opts,
 	d2 = data.d2;
 	for ( i = 0; i < expected.length; i++ ) {
 		y = stdev( d1[i], d2[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'd1: '+d1[i]+', d2: '+d2[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 2.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. d1: '+d1[i]+'. d2: '+d2[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
 	}
 	t.end();
 });