From 47d5b4f292443400a268618e1b7c8208c42efc12 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Fri, 25 Sep 2026 06:23:53 +0000
Subject: [PATCH] test: migrate `stats/incr/mvariance` to ULP-based assertions

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_011JBBkFSsB79CXspCquYadq

---
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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    status: passed
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  - task: lint_c_examples
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  - task: lint_shell
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  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
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  - task: lint_license_headers
    status: passed
---
---
 .../@stdlib/stats/incr/mvariance/test/test.js     | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/incr/mvariance/test/test.js b/lib/node_modules/@stdlib/stats/incr/mvariance/test/test.js
index 49e0b9636976..f29d5830e8c9 100644
--- a/lib/node_modules/@stdlib/stats/incr/mvariance/test/test.js
+++ b/lib/node_modules/@stdlib/stats/incr/mvariance/test/test.js
@@ -22,9 +22,8 @@
 
 var tape = require( 'tape' );
 var randu = require( '@stdlib/random/base/randu' );
-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 EPS = require( '@stdlib/constants/float64/eps' );
 var zeros = require( '@stdlib/array/base/zeros' );
 var incrmvariance = require( './../lib' );
 
@@ -190,9 +189,7 @@ tape( 'the accumulator function computes a moving unbiased sample variance incre
 tape( 'if not provided an input value, the accumulator function returns the current unbiased sample variance', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
 	var data;
-	var tol;
 	var acc;
 	var i;
 
@@ -207,19 +204,15 @@ tape( 'if not provided an input value, the accumulator function returns the curr
 
 	expected = 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 unbiased sample variance (known mean)', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
 	var data;
-	var tol;
 	var acc;
 	var i;
 
@@ -234,10 +227,8 @@ tape( 'if not provided an input value, the accumulator function returns the curr
 
 	expected = 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();
 });