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test: migrate stats/base/dists/exponential/skewness to ULP-based assertions #15991

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Merged
kgryte merged 1 commit into from
Oct 11, 2026
Merged

test: migrate stats/base/dists/exponential/skewness to ULP-based assertions #15991

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13 changes: 2 additions & 11 deletions lib/node_modules/@stdlib/stats/base/dists/exponential/skewness/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,10 +23,9 @@
var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var tryRequire = require( '@stdlib/utils/try-require' );
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 NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );


// VARIABLES //
Expand Down Expand Up @@ -71,22 +70,14 @@ tape( 'if provided a rate parameter `lambda` that is not a nonnegative number, t
tape( 'the function returns the skewness of an exponential distribution', opts, function test( t ) {
var expected;
var lambda;
var delta;
var tol;
var i;
var y;

expected = data.expected;
lambda = data.lambda;
for ( i = 0; i < expected.length; i++ ) {
y = skewness( lambda[i] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[i], 'lambda: '+lambda[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. lambda: '+lambda[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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