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test: migrate stats/base/dists/cauchy/pdf to ULP-based assertions #15349

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Merged
kgryte merged 1 commit into from
Sep 19, 2026
+4 −29
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test: migrate stats/base/dists/cauchy/pdf to ULP-based assertions #15349

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33 changes: 4 additions & 29 deletions lib/node_modules/@stdlib/stats/base/dists/cauchy/pdf/test/test.factory.js
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Original file line number Diff line number Diff line change
Expand Up @@ -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 isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var factory = require( './../lib/factory.js' );


Expand Down Expand Up @@ -138,10 +137,8 @@ tape( 'if provided a nonpositive `gamma`, the created function always returns `N

tape( 'the created function evaluates the pdf for `x` given `x0` and `gamma` (large gamma)', function test( t ) {
var expected;
var delta;
var gamma;
var pdf;
var tol;
var x0;
var x;
var y;
Expand All @@ -154,23 +151,15 @@ tape( 'the created function evaluates the pdf for `x` given `x0` and `gamma` (la
for ( i = 0; i < x.length; i++ ) {
pdf = factory( x0[i], gamma[i] );
y = pdf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', x0: '+x0[i]+', gamma: '+gamma[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 1.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. x0: '+x0[i]+'. gamma: '+gamma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 0 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the created function evaluates the pdf for `x` given `x0` and `gamma` (`x0 < 0`)', function test( t ) {
var expected;
var delta;
var gamma;
var pdf;
var tol;
var x0;
var x;
var y;
Expand All @@ -183,23 +172,15 @@ tape( 'the created function evaluates the pdf for `x` given `x0` and `gamma` (`x
for ( i = 0; i < x.length; i++ ) {
pdf = factory( x0[i], gamma[i] );
y = pdf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', x0: '+x0[i]+', gamma: '+gamma[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 1.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. x0: '+x0[i]+'. gamma: '+gamma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 0 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the created function evaluates the pdf for `x` given `x0` and `gamma` (`x0 > 0`)', function test( t ) {
var expected;
var delta;
var gamma;
var pdf;
var tol;
var x0;
var x;
var y;
Expand All @@ -212,13 +193,7 @@ tape( 'the created function evaluates the pdf for `x` given `x0` and `gamma` (`x
for ( i = 0; i < x.length; i++ ) {
pdf = factory( x0[i], gamma[i] );
y = pdf( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', x0: '+x0[i]+', gamma: '+gamma[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 1.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[ i ]+'. x0: '+x0[i]+'. gamma: '+gamma[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 0 ), true, 'returns expected value' );
}
t.end();
});
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