Skip to content

test: migrate math/base/special/cos to ULP-based testing #11281

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 5 commits into from
Apr 3, 2026
+14 −113
Merged

test: migrate math/base/special/cos to ULP-based testing #11281

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
4055159
test: migrated to ulp based testing
nirmaljb Apr 3, 2026
b9d0da0
chore: updated the year
nirmaljb Apr 3, 2026
254df49
fix: revert unintended date changes and address review comments
nirmaljb Apr 3, 2026
ea86344
Merge branch 'develop' into ulp/cos
anandkaranubc Apr 3, 2026
07e7959
fix: updated the namespace for each test case
nirmaljb Apr 3, 2026
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
63 changes: 7 additions & 56 deletions lib/node_modules/@stdlib/math/base/special/cos/test/test.js
View file
Open in desktop
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 PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var cos = require( './../lib' );


Expand All @@ -49,8 +48,6 @@ tape( 'main export is a function', function test( t ) {

tape( 'the function computes the cosine (medium negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -60,22 +57,14 @@ tape( 'the function computes the cosine (medium negative values)', function test

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (positive medium values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -85,22 +74,14 @@ tape( 'the function computes the cosine (positive medium values)', function test

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (large negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -110,22 +91,14 @@ tape( 'the function computes the cosine (large negative values)', function test(

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (large positive values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -135,22 +108,14 @@ tape( 'the function computes the cosine (large positive values)', function test(

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (huge negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -160,22 +125,14 @@ tape( 'the function computes the cosine (huge negative values)', function test(

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (huge positive values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -185,13 +142,7 @@ tape( 'the function computes the cosine (huge positive values)', function test(

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
Expand Down
64 changes: 7 additions & 57 deletions lib/node_modules/@stdlib/math/base/special/cos/test/test.native.js
View file
Open in desktop
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 isnan = require( '@stdlib/math/base/assert/is-nan' );
var abs = require( '@stdlib/math/base/special/abs' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var tryRequire = require( '@stdlib/utils/try-require' );


Expand Down Expand Up @@ -58,8 +57,6 @@ tape( 'main export is a function', opts, function test( t ) {

tape( 'the function computes the cosine (medium negative values)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -69,22 +66,14 @@ tape( 'the function computes the cosine (medium negative values)', opts, functio

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (positive medium values)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -94,22 +83,14 @@ tape( 'the function computes the cosine (positive medium values)', opts, functio

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (large negative values)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -119,22 +100,14 @@ tape( 'the function computes the cosine (large negative values)', opts, function

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (large positive values)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -144,22 +117,14 @@ tape( 'the function computes the cosine (large positive values)', opts, function

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (huge negative values)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -169,22 +134,13 @@ tape( 'the function computes the cosine (huge negative values)', opts, function

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
});

tape( 'the function computes the cosine (huge positive values)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -194,13 +150,7 @@ tape( 'the function computes the cosine (huge positive values)', opts, function

for ( i = 0; i < x.length; i++ ) {
y = cos( x[ i ] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. Expected: '+expected[i] );
} else {
delta = abs( y - expected[ i ] );
tol = EPS * abs( expected[ i ] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. y: '+y+'. E: '+expected[i]+'. tol: '+tol+'. Δ: '+delta+'.' );
}
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}

t.end();
Expand Down