From 1451d3731ccbf5f770eafa16274bb500ca598b08 Mon Sep 17 00:00:00 2001
From: Athan <kgryte+claude@gmail.com>
Date: Sun, 20 Sep 2026 10:13:37 +0000
Subject: [PATCH] test: migrate `stats/incr/mape` 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_019QtkHdLguBeBrrrUwNN1PL
---
 .../@stdlib/stats/incr/mape/test/test.js       | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/incr/mape/test/test.js b/lib/node_modules/@stdlib/stats/incr/mape/test/test.js
index 8dd864bc5f14..7a6df62c1771 100644
--- a/lib/node_modules/@stdlib/stats/incr/mape/test/test.js
+++ b/lib/node_modules/@stdlib/stats/incr/mape/test/test.js
@@ -21,8 +21,8 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var abs = require( '@stdlib/math/base/special/abs' );
-var EPS = require( '@stdlib/constants/float64/eps' );
 var incrmape = require( './../lib' );
 
 
@@ -48,11 +48,9 @@ tape( 'the initial accumulated value is `null`', function test( t ) {
 tape( 'the accumulator function incrementally computes the mean absolute percentage error', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
 	var data;
 	var acc;
 	var sum;
-	var tol;
 	var N;
 	var x;
 	var y;
@@ -77,13 +75,7 @@ tape( 'the accumulator function incrementally computes the mean absolute percent
 		sum += abs( ( y-x ) / y );
 		expected = 100.0 * ( sum/(i+1) );
 		actual = acc( x, y );
-		if ( actual === expected ) {
-			t.strictEqual( actual, expected, 'returns expected value' );
-		} else {
-			delta = abs( expected - actual );
-			tol = 1.0 * EPS * abs( expected );
-			t.strictEqual( delta <= tol, true, 'within tolerance. Actual: '+actual+'. Expected: '+expected+'. Delta: '+delta+'. Tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( actual, expected, 1 ), true, 'returns expected value' );
 	}
 	t.end();
 });
@@ -91,10 +83,8 @@ tape( 'the accumulator function incrementally computes the mean absolute percent
 tape( 'if not provided an input value, the accumulator function returns the current mean absolute percentage error', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
 	var data;
 	var acc;
-	var tol;
 	var i;
 
 	data = [
@@ -108,8 +98,6 @@ tape( 'if not provided an input value, the accumulator function returns the curr
 	}
 	actual = acc();
 	expected = 100.0 / 3.0 * ((1.0/3.0) + (2.0/5.0) + (9.0/1.0));
-	delta = abs( expected - actual );
-	tol = 1.0 * EPS * abs( expected );
-	t.strictEqual( delta <= tol, true, 'within tolerance. Actual: '+actual+'. Expected: '+expected+'. Delta: '+delta+'. Tol: '+tol+'.' );
+	t.strictEqual( isAlmostSameValue( actual, expected, 1 ), true, 'returns expected value' );
 	t.end();
 });