From 6d501e58797ec71dee7d7b766e463467aab6c0fa Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Tue, 25 Aug 2026 06:33:08 +0000
Subject: [PATCH] test: migrate `stats/base/dists/halfnormal/entropy` to
 ULP-based assertions

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

diff --git a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.js
index cb18a77cb1cb..656343b7e579 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.js
@@ -21,10 +21,9 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var entropy = require( './../lib' );
 
 
@@ -65,8 +64,6 @@ tape( 'if not provided a positive number, the function returns `NaN`', function
 tape( 'the function returns the differential entropy of a half-normal distribution', function test( t ) {
 	var expected;
 	var sigma;
-	var delta;
-	var tol;
 	var i;
 	var y;
 
@@ -74,13 +71,7 @@ tape( 'the function returns the differential entropy of a half-normal distributi
 	sigma = data.sigma;
 	for ( i = 0; i < expected.length; i++ ) {
 		y = entropy( sigma[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 1.5 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. sigma: '+sigma[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/halfnormal/entropy/test/test.native.js b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.native.js
index dbead59c8642..c0b85cee9177 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.native.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/halfnormal/entropy/test/test.native.js
@@ -22,11 +22,10 @@
 
 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 NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 
 
 // VARIABLES //
@@ -74,8 +73,6 @@ tape( 'if not provided a positive number, the function returns `NaN`', opts, fun
 tape( 'the function returns the differential entropy of a half-normal distribution', opts, function test( t ) {
 	var expected;
 	var sigma;
-	var delta;
-	var tol;
 	var i;
 	var y;
 
@@ -83,13 +80,7 @@ tape( 'the function returns the differential entropy of a half-normal distributi
 	sigma = data.sigma;
 	for ( i = 0; i < expected.length; i++ ) {
 		y = entropy( sigma[ i ] );
-		if ( y === expected[ i ] ) {
-			t.strictEqual( y, expected[ i ], 'sigma: '+sigma[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 1.5 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. sigma: '+sigma[i]+'. y: '+y+'. E: '+expected[i]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
 	}
 	t.end();
 });