From 1b50643579fe6ee627e9fd431ac726936ec580cd Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Sat, 26 Sep 2026 06:29:49 +0000
Subject: [PATCH] test: migrate `stats/incr/nanpcorrdist` to ULP-based
 assertions

Replace the computed relative-tolerance assertions in the fixture loops
with `@stdlib/assert/is-almost-same-value`, tightening each bound to the
measured minimum of 1 ULP.

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_014QE38pmPPF6BwZwAtSzV7e
---
 .../stats/incr/nanpcorrdist/test/test.js      | 23 +++----------------
 1 file changed, 3 insertions(+), 20 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/incr/nanpcorrdist/test/test.js b/lib/node_modules/@stdlib/stats/incr/nanpcorrdist/test/test.js
index 1f825b43c4e9..2c3b6b6a4a0b 100644
--- a/lib/node_modules/@stdlib/stats/incr/nanpcorrdist/test/test.js
+++ b/lib/node_modules/@stdlib/stats/incr/nanpcorrdist/test/test.js
@@ -21,8 +21,7 @@
 // MODULES //
 
 var tape = require( 'tape' );
-var abs = require( '@stdlib/math/base/special/abs' );
-var EPS = require( '@stdlib/constants/float64/eps' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var incrnanpcorrdist = require( './../lib' );
 
 
@@ -99,8 +98,6 @@ tape( 'the function returns an accumulator function (known means)', function tes
 tape( 'the accumulator function incrementally computes a sample correlation distance', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
-	var tol;
 	var acc;
 	var x;
 	var y;
@@ -124,13 +121,7 @@ tape( 'the accumulator function incrementally computes a sample correlation dist
 
 	for ( i = 0; i < x.length; i++ ) {
 		actual = acc( x[ i ], y[ i ] );
-		if ( actual === expected[ i ] ) {
-			t.strictEqual( actual, expected[ i ], 'returns expected result. x: '+x[i]+'. y: '+y[i]+'.' );
-		} else {
-			delta = abs( expected[ i ] - actual );
-			tol = 3.7 * EPS * abs( expected[ i ] );
-			t.equal( delta <= tol, true, 'x: '+x[i]+'. y: '+y[i]+'. expected: '+expected[i]+'. actual: '+actual+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( actual, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
@@ -138,8 +129,6 @@ tape( 'the accumulator function incrementally computes a sample correlation dist
 tape( 'the accumulator function incrementally computes a sample correlation distance (known means)', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
-	var tol;
 	var acc;
 	var x;
 	var y;
@@ -163,13 +152,7 @@ tape( 'the accumulator function incrementally computes a sample correlation dist
 
 	for ( i = 0; i < x.length; i++ ) {
 		actual = acc( x[ i ], y[ i ] );
-		if ( actual === expected[ i ] ) {
-			t.strictEqual( actual, expected[ i ], 'returns expected result. x: '+x[i]+'. y: '+y[i]+'.' );
-		} else {
-			delta = abs( expected[ i ] - actual );
-			tol = EPS * abs( expected[ i ] );
-			t.equal( delta <= tol, true, 'x: '+x[i]+'. y: '+y[i]+'. expected: '+expected[i]+'. actual: '+actual+'. tol: '+tol+'. delta: '+delta+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( actual, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });