From de669e47d607830ceb7fdf3da6a1720718e236a1 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Fri, 2 Oct 2026 02:25:23 +0000
Subject: [PATCH] test: migrate `stats/incr/mstdev` to ULP-based assertions

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KE44fMNSiCvMKf2VdMDpfa
---
 .../@stdlib/stats/incr/mstdev/test/test.js        | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/incr/mstdev/test/test.js b/lib/node_modules/@stdlib/stats/incr/mstdev/test/test.js
index 23342c69c8cc..17a32d5749b9 100644
--- a/lib/node_modules/@stdlib/stats/incr/mstdev/test/test.js
+++ b/lib/node_modules/@stdlib/stats/incr/mstdev/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 sqrt = require( '@stdlib/math/base/special/sqrt' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var randu = require( '@stdlib/random/base/randu' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var incrmstdev = require( './../lib' );
 
 
@@ -197,9 +196,7 @@ tape( 'the accumulator function computes a moving corrected sample standard devi
 tape( 'if not provided an input value, the accumulator function returns the current corrected sample standard deviation', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
 	var data;
-	var tol;
 	var acc;
 	var i;
 
@@ -214,19 +211,15 @@ tape( 'if not provided an input value, the accumulator function returns the curr
 
 	expected = sqrt( 19.0 );
 	actual = acc();
-	delta = abs( actual - expected );
-	tol = EPS * expected;
 
-	t.strictEqual( delta < tol, true, 'expected: '+expected+'. actual: '+actual+'. tol: '+tol+'. delta: '+delta+'.' );
+	t.strictEqual( isAlmostSameValue( actual, expected, 0 ), true, 'returns expected value' );
 	t.end();
 });
 
 tape( 'if not provided an input value, the accumulator function returns the current corrected sample standard deviation (known mean)', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
 	var data;
-	var tol;
 	var acc;
 	var i;
 
@@ -241,10 +234,8 @@ tape( 'if not provided an input value, the accumulator function returns the curr
 
 	expected = sqrt( 12.666666666666666 );
 	actual = acc();
-	delta = abs( actual - expected );
-	tol = EPS * expected;
 
-	t.strictEqual( delta < tol, true, 'expected: '+expected+'. actual: '+actual+'. tol: '+tol+'. delta: '+delta+'.' );
+	t.strictEqual( isAlmostSameValue( actual, expected, 0 ), true, 'returns expected value' );
 	t.end();
 });