From b66950c56ee7a4a8e7439bc1d6040dbbb8a3f093 Mon Sep 17 00:00:00 2001
From: Athan Reines <kgryte+claude@gmail.com>
Date: Sat, 26 Sep 2026 14:31:44 +0000
Subject: [PATCH] test: migrate `stats/incr/nanmmape` to ULP-based assertions

Migrate the test suite from relative-tolerance (`EPS * abs(...)`)
comparisons to ULP-difference assertions using
`@stdlib/assert/is-almost-same-value`, tightening the converted
assertion to the minimum ULP bound which still passes.

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_01Pz66GGnki7M6Z74TNLByVD

---
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
  - task: lint_markdown_docs
    status: na
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---
---
 .../@stdlib/stats/incr/nanmmape/test/test.js         | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/incr/nanmmape/test/test.js b/lib/node_modules/@stdlib/stats/incr/nanmmape/test/test.js
index 40934d9eabd5..26359df6984a 100644
--- a/lib/node_modules/@stdlib/stats/incr/nanmmape/test/test.js
+++ b/lib/node_modules/@stdlib/stats/incr/nanmmape/test/test.js
@@ -21,9 +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 EPS = require( '@stdlib/constants/float64/eps' );
 var incrnanmmape = require( './../lib' );
 
 
@@ -73,10 +73,8 @@ tape( 'the function returns an accumulator function', function test( t ) {
 tape( 'the accumulator function computes a moving mean absolute percentage error incrementally', function test( t ) {
 	var expected;
 	var actual;
-	var delta;
 	var data;
 	var acc;
-	var tol;
 	var N;
 	var i;
 
@@ -103,13 +101,7 @@ tape( 'the accumulator function computes a moving mean absolute percentage error
 	];
 	for ( i = 0; i < N; i++ ) {
 		actual = acc( data[i][0], data[i][1] );
-		if ( actual === expected[i] ) {
-			t.strictEqual( actual, expected[i], 'returns expected value' );
-		} else {
-			delta = abs( expected[i] - actual );
-			tol = 1.5 * EPS * abs( expected[i] );
-			t.strictEqual( delta <= tol, true, 'within tolerance. Actual: '+actual+'. Expected: '+expected[i]+'. Delta: '+delta+'. Tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( actual, expected[ i ], 2 ), true, 'returns expected value' );
 	}
 	t.end();
 });