Skip to content

test: migrate math/base/special/expit to ULP-based assertions #13972

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
kgryte merged 1 commit into from
Aug 6, 2026
Merged

test: migrate math/base/special/expit to ULP-based assertions #13972

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 5 additions & 20 deletions lib/node_modules/@stdlib/math/base/special/expit/test/test.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,11 +21,10 @@
// MODULES //

var tape = require( 'tape' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var expit = require( './../lib' );


Expand Down Expand Up @@ -69,46 +68,32 @@ tape( 'the function returns `0.0` when provided `-Infinity`', function test( t )

tape( 'the function evaluates the standard logistic function for negative numbers', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;

expected = negative.expected;
x = negative.x;

for ( i = 0; i < x.length; i++ ) {
y = expit( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 1.5 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+y+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the standard logistic function for positive numbers', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;

expected = positive.expected;
x = positive.x;

for ( i = 0; i < x.length; i++ ) {
y = expit( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 1.5 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+y+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
}
t.end();
});
25 changes: 5 additions & 20 deletions lib/node_modules/@stdlib/math/base/special/expit/test/test.native.js
View file
Open in desktop
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 isnan = require( '@stdlib/math/base/assert/is-nan' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var tryRequire = require( '@stdlib/utils/try-require' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );


// FIXTURES //
Expand Down Expand Up @@ -78,46 +77,32 @@ tape( 'the function returns `0.0` when provided `-Infinity`', opts, function tes

tape( 'the function evaluates the standard logistic function for negative numbers', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;

expected = negative.expected;
x = negative.x;

for ( i = 0; i < x.length; i++ ) {
y = expit( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 1.5 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+y+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the standard logistic function for positive numbers', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;

expected = positive.expected;
x = positive.x;

for ( i = 0; i < x.length; i++ ) {
y = expit( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', expected: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 1.5 * EPS * abs( expected[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. v: '+y+'. E: '+expected[i]+' Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
}
t.end();
});