From 99bdf13480490f67f28df16e51f36cf7192719bb Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Mon, 3 Aug 2026 09:34:37 +0000
Subject: [PATCH] test: migrate `math/base/special/floorn` to ULP-based
 assertions

Replace relative tolerance testing (EPS-based delta/tol comparison)
with ULP difference testing via `@stdlib/assert/is-almost-same-value`
for the subnormal rounding test case.

Ref: https://github.com/stdlib-js/stdlib/issues/11352
---
 .../@stdlib/math/base/special/floorn/test/test.js   | 13 ++-----------
 .../math/base/special/floorn/test/test.native.js    | 13 ++-----------
 2 files changed, 4 insertions(+), 22 deletions(-)

diff --git a/lib/node_modules/@stdlib/math/base/special/floorn/test/test.js b/lib/node_modules/@stdlib/math/base/special/floorn/test/test.js
index bda4a7465334..9ff56ec82447 100644
--- a/lib/node_modules/@stdlib/math/base/special/floorn/test/test.js
+++ b/lib/node_modules/@stdlib/math/base/special/floorn/test/test.js
@@ -24,14 +24,13 @@ var tape = require( 'tape' );
 var PI = require( '@stdlib/constants/float64/pi' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var randu = require( '@stdlib/random/base/randu' );
 var round = require( '@stdlib/math/base/special/round' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' );
 var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var floorn = require( './../lib' );
 
 
@@ -207,8 +206,6 @@ tape( 'if `n > 308` and `x >= 0`, the function returns `+0` (sign preserving)',
 
 tape( 'the function supports rounding very small numbers (including subnormals)', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var n;
 	var v;
@@ -242,13 +239,7 @@ tape( 'the function supports rounding very small numbers (including subnormals)'
 
 	for ( i = 0; i < n.length; i++ ) {
 		v = floorn( x, n[i] );
-		if ( v === expected[i] ) {
-			t.strictEqual( v, expected[ i ], 'returns '+expected[i]+' when provided x='+x+' and n='+n[i]+'.' );
-		} else {
-			delta = abs( v - expected[i] );
-			tol = EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'x: '+x+'. n: '+n[i]+'. v: '+v+'. expected: '+expected[i]+'. delta: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( v, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/math/base/special/floorn/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/floorn/test/test.native.js
index 047dc6b2f398..8ae8eddd62aa 100644
--- a/lib/node_modules/@stdlib/math/base/special/floorn/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/floorn/test/test.native.js
@@ -25,14 +25,13 @@ var tape = require( 'tape' );
 var PI = require( '@stdlib/constants/float64/pi' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var randu = require( '@stdlib/random/base/randu' );
 var round = require( '@stdlib/math/base/special/round' );
 var pow = require( '@stdlib/math/base/special/pow' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' );
 var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var tryRequire = require( '@stdlib/utils/try-require' );
 
 
@@ -198,8 +197,6 @@ tape( 'if `n > 308` and `x >= 0`, the function returns `+0` (sign preserving)',
 
 tape( 'the function supports rounding very small numbers (including subnormals)', opts, function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var x;
 	var n;
 	var v;
@@ -233,13 +230,7 @@ tape( 'the function supports rounding very small numbers (including subnormals)'
 
 	for ( i = 0; i < n.length; i++ ) {
 		v = floorn( x, n[i] );
-		if ( v === expected[i] ) {
-			t.strictEqual( v, expected[ i ], 'returns '+expected[i]+' when provided x='+x+' and n='+n[i]+'.' );
-		} else {
-			delta = abs( v - expected[i] );
-			tol = EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'x: '+x+'. n: '+n[i]+'. v: '+v+'. expected: '+expected[i]+'. delta: '+delta+'. tol: '+tol );
-		}
+		t.strictEqual( isAlmostSameValue( v, expected[ i ], 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });