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test: migrate stats/base/dists/negative-binomial/variance to ULP-based assertions #15954

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Merged
kgryte merged 1 commit into from
Oct 12, 2026
Merged

test: migrate stats/base/dists/negative-binomial/variance to ULP-based assertions #15954

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13 changes: 2 additions & 11 deletions lib/node_modules/@stdlib/stats/base/dists/negative-binomial/variance/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,9 @@

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 EPS = require( '@stdlib/constants/float64/eps' );


// FIXTURES //
Expand Down Expand Up @@ -77,8 +76,6 @@ tape( 'if provided `r <= 0` or `p <= 0` or `p > 1`, the function returns `NaN`',

tape( 'the function returns the variance of a negative binomial distribution', opts, function test( t ) {
var expected;
var delta;
var tol;
var r;
var p;
var y;
Expand All @@ -89,13 +86,7 @@ tape( 'the function returns the variance of a negative binomial distribution', o
p = data.p;
for ( i = 0; i < r.length; i++ ) {
y = variance( r[ i ], p[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'r: ' + r[ i ] + ', p: ' + p[ i ] + ', y: ' + y + ', expected: ' + expected[ i ] );
} else {
delta = abs( y - expected[ i ] );
tol = 2.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. r: ' + r[ i ] + '. p: ' + p[ 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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