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test: migrate stats/base/dists/chi/pdf to ULP-based assertions #14323

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Merged
kgryte merged 1 commit into from
Aug 16, 2026
+6 −31
Merged

test: migrate stats/base/dists/chi/pdf to ULP-based assertions #14323

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12 changes: 2 additions & 10 deletions lib/node_modules/@stdlib/stats/base/dists/chi/pdf/test/test.factory.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,8 @@
// 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 randu = require( '@stdlib/random/base/randu' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
Expand Down Expand Up @@ -145,9 +145,7 @@ tape( 'the returned function returns `0` for all `x < 0`', function test( t ) {

tape( 'the created function evaluates the pdf for `x` given degrees of freedom `k`', function test( t ) {
var expected;
var delta;
var pdf;
var tol;
var k;
var x;
var y;
Expand All @@ -159,13 +157,7 @@ tape( 'the created function evaluates the pdf for `x` given degrees of freedom `
for ( i = 0; i < x.length; i++ ) {
pdf = factory( k[i] );
y = pdf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. k:'+k[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 140.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. k: '+k[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 230 ), true, 'returns expected value' );
}
t.end();
});
13 changes: 2 additions & 11 deletions lib/node_modules/@stdlib/stats/base/dists/chi/pdf/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,12 +22,11 @@

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 PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );


// FIXTURES //
Expand Down Expand Up @@ -94,8 +93,6 @@ tape( 'if provided `-infinity` for `x` and a valid `k`, the function returns `0`

tape( 'the function evaluates the pdf for `x` given degrees of freedom `k`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var k;
var y;
Expand All @@ -106,13 +103,7 @@ tape( 'the function evaluates the pdf for `x` given degrees of freedom `k`', opt
k = data.k;
for ( i = 0; i < x.length; i++ ) {
y = pdf( x[i], k[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. k:'+k[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 140.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. k: '+k[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 230 ), true, 'returns expected value' );
}
t.end();
});
12 changes: 2 additions & 10 deletions lib/node_modules/@stdlib/stats/base/dists/chi/pdf/test/test.pdf.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,8 @@
// 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 randu = require( '@stdlib/random/base/randu' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
Expand Down Expand Up @@ -117,8 +117,6 @@ tape( 'the function returns `0` for all `x < 0`', function test( t ) {

tape( 'the function evaluates the pdf for `x` given degrees of freedom `k`', function test( t ) {
var expected;
var delta;
var tol;
var x;
var k;
var y;
Expand All @@ -129,13 +127,7 @@ tape( 'the function evaluates the pdf for `x` given degrees of freedom `k`', fun
k = decimalDecimal.k;
for ( i = 0; i < x.length; i++ ) {
y = pdf( x[i], k[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+'. k:'+k[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 140.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. k: '+k[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 230 ), true, 'returns expected value' );
}
t.end();
});