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test: migrate stats/base/dists/t/quantile to ULP-based assertions #13847

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Merged
kgryte merged 1 commit into from
Aug 1, 2026
Merged

test: migrate stats/base/dists/t/quantile to ULP-based assertions #13847

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23 changes: 3 additions & 20 deletions lib/node_modules/@stdlib/stats/base/dists/t/quantile/test/test.factory.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +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 EPS = require( '@stdlib/constants/float64/eps' );
var factory = require( './../lib/factory.js' );


Expand Down Expand Up @@ -99,8 +98,6 @@ tape( 'if provided a nonpositive `v`, the created function always returns `NaN`'
tape( 'the created function evaluates the quantile for `p` given small parameter `v`', function test( t ) {
var expected;
var quantile;
var delta;
var tol;
var p;
var v;
var y;
Expand All @@ -112,22 +109,14 @@ tape( 'the created function evaluates the quantile for `p` given small parameter
for ( i = 0; i < p.length; i++ ) {
quantile = factory( v[i] );
y = quantile( p[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'p: '+p[i]+', v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 2000.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 3543 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the created function evaluates the quantile for `p` given large parameter `v`', function test( t ) {
var expected;
var quantile;
var delta;
var tol;
var p;
var v;
var y;
Expand All @@ -139,13 +128,7 @@ tape( 'the created function evaluates the quantile for `p` given large parameter
for ( i = 0; i < p.length; i++ ) {
quantile = factory( v[i] );
y = quantile( p[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'p: '+p[i]+', v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 500.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 697 ), true, 'returns expected value' );
}
t.end();
});
25 changes: 4 additions & 21 deletions lib/node_modules/@stdlib/stats/base/dists/t/quantile/test/test.quantile.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,9 @@
// MODULES //

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 NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var quantile = require( './../lib' );


Expand Down Expand Up @@ -78,8 +77,6 @@ tape( 'if provided a nonpositive `v`, the function always returns `NaN`', functi

tape( 'the function evaluates the quantile for `p` given small parameter `v`', function test( t ) {
var expected;
var delta;
var tol;
var p;
var v;
var y;
Expand All @@ -90,21 +87,13 @@ tape( 'the function evaluates the quantile for `p` given small parameter `v`', f
v = small.v;
for ( i = 0; i < p.length; i++ ) {
y = quantile( p[i], v[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'p: '+p[i]+', v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 2000.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 3543 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the quantile for `p` given large parameter `v`', function test( t ) {
var expected;
var delta;
var tol;
var p;
var v;
var y;
Expand All @@ -115,13 +104,7 @@ tape( 'the function evaluates the quantile for `p` given large parameter `v`', f
v = large.v;
for ( i = 0; i < p.length; i++ ) {
y = quantile( p[i], v[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'p: '+p[i]+', v: '+v[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = 500.0 * EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. p: '+p[ i ]+'. v: '+v[i]+'. y: '+y+'. E: '+expected[ i ]+'. Δ: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 697 ), true, 'returns expected value' );
}
t.end();
});