From 31129b8248ab879df017bf69a91590bc71a8d283 Mon Sep 17 00:00:00 2001
From: DivyanshuVortex <divyanshuchandra9027@gmail.com>
Date: Mon, 21 Sep 2026 23:39:26 +0530
Subject: [PATCH] test: migrate stats/base/dists/f/cdf to ULP-based testing

---
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: passed
  - 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
---
---
 .../stats/base/dists/f/cdf/test/test.cdf.js   | 33 +++----------------
 .../base/dists/f/cdf/test/test.factory.js     | 33 +++----------------
 2 files changed, 8 insertions(+), 58 deletions(-)

diff --git a/lib/node_modules/@stdlib/stats/base/dists/f/cdf/test/test.cdf.js b/lib/node_modules/@stdlib/stats/base/dists/f/cdf/test/test.cdf.js
index cf4479f65d0b..0359ccf1b98f 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/f/cdf/test/test.cdf.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/f/cdf/test/test.cdf.js
@@ -22,10 +22,9 @@
 
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var cdf = require( './../lib' );
 
 
@@ -116,8 +115,6 @@ tape( 'if provided a negative `d2`, the function returns `NaN`', function test(
 
 tape( 'the function evaluates the cdf for `x` given large `d1` and `d2`', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var d1;
 	var d2;
 	var x;
@@ -130,21 +127,13 @@ tape( 'the function evaluates the cdf for `x` given large `d1` and `d2`', functi
 	d2 = bothLarge.d2;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], d1[i], d2[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', d1:'+d1[i]+', d2: '+d2[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 50.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. d1: '+d1[i]+'. d2: '+d2[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 58 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` given large parameter `d1`', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var d1;
 	var d2;
 	var x;
@@ -157,21 +146,13 @@ tape( 'the function evaluates the cdf for `x` given large parameter `d1`', funct
 	d2 = largeD1.d2;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], d1[i], d2[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', d1:'+d1[i]+', d2: '+d2[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 400.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. d1: '+d1[i]+'. d2: '+d2[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 542 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the function evaluates the cdf for `x` given large scale parameter `d2`', function test( t ) {
 	var expected;
-	var delta;
-	var tol;
 	var d1;
 	var d2;
 	var x;
@@ -184,13 +165,7 @@ tape( 'the function evaluates the cdf for `x` given large scale parameter `d2`',
 	d2 = largeD2.d2;
 	for ( i = 0; i < x.length; i++ ) {
 		y = cdf( x[i], d1[i], d2[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', d1:'+d1[i]+', d2: '+d2[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 200.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. d1: '+d1[i]+'. d2: '+d2[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 171 ), true, 'returns expected value' );
 	}
 	t.end();
 });
diff --git a/lib/node_modules/@stdlib/stats/base/dists/f/cdf/test/test.factory.js b/lib/node_modules/@stdlib/stats/base/dists/f/cdf/test/test.factory.js
index 732c7bf64c8e..0514ab5e9da4 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/f/cdf/test/test.factory.js
+++ b/lib/node_modules/@stdlib/stats/base/dists/f/cdf/test/test.factory.js
@@ -22,10 +22,9 @@
 
 var tape = require( 'tape' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var abs = require( '@stdlib/math/base/special/abs' );
 var PINF = require( '@stdlib/constants/float64/pinf' );
 var NINF = require( '@stdlib/constants/float64/ninf' );
-var EPS = require( '@stdlib/constants/float64/eps' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
 var factory = require( './../lib/factory.js' );
 
 
@@ -165,9 +164,7 @@ tape( 'if provided a nonpositive `d1`, the created function always returns `NaN`
 
 tape( 'the created function evaluates the cdf for `x` given large `d1` and `d2`', function test( t ) {
 	var expected;
-	var delta;
 	var cdf;
-	var tol;
 	var d1;
 	var d2;
 	var i;
@@ -181,22 +178,14 @@ tape( 'the created function evaluates the cdf for `x` given large `d1` and `d2`'
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( d1[i], d2[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', d1: '+d1[i]+', d2: '+d2[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 50.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. d1: '+d1[i]+'. d2: '+d2[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 58 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the created function evaluates the cdf for `x` given large parameter `d1`', function test( t ) {
 	var expected;
-	var delta;
 	var cdf;
-	var tol;
 	var d1;
 	var d2;
 	var i;
@@ -210,22 +199,14 @@ tape( 'the created function evaluates the cdf for `x` given large parameter `d1`
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( d1[i], d2[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', d1: '+d1[i]+', d2: '+d2[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 400.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. d1: '+d1[i]+'. d2: '+d2[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 542 ), true, 'returns expected value' );
 	}
 	t.end();
 });
 
 tape( 'the created function evaluates the cdf for `x` given large parameter `d2`', function test( t ) {
 	var expected;
-	var delta;
 	var cdf;
-	var tol;
 	var d1;
 	var d2;
 	var i;
@@ -239,13 +220,7 @@ tape( 'the created function evaluates the cdf for `x` given large parameter `d2`
 	for ( i = 0; i < x.length; i++ ) {
 		cdf = factory( d1[i], d2[i] );
 		y = cdf( x[i] );
-		if ( y === expected[i] ) {
-			t.strictEqual( y, expected[i], 'x: '+x[i]+', d1: '+d1[i]+', d2: '+d2[i]+', y: '+y+', expected: '+expected[i] );
-		} else {
-			delta = abs( y - expected[ i ] );
-			tol = 200.0 * EPS * abs( expected[ i ] );
-			t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. d1: '+d1[i]+'. d2: '+d2[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
-		}
+		t.strictEqual( isAlmostSameValue( y, expected[ i ], 171 ), true, 'returns expected value' );
 	}
 	t.end();
 });