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test: migrate math/base/special/acos to ULP-based testing #11505

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Merged
kgryte merged 1 commit into from
Apr 17, 2026
Merged

test: migrate math/base/special/acos to ULP-based testing #11505

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32 changes: 4 additions & 28 deletions lib/node_modules/@stdlib/math/base/special/acos/test/test.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@
var tape = require( 'tape' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var randu = require( '@stdlib/random/base/randu' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var EPS = require( '@stdlib/constants/float64/eps' );
var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
var acos = require( './../lib' );
Expand All @@ -46,8 +46,6 @@ tape( 'main export is a function', function test( t ) {

tape( 'the function computes the arccosine', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -57,21 +55,13 @@ tape( 'the function computes the arccosine', function test( t ) {

for ( i = 0; i < x.length; i++ ) {
y = acos( x[i] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. E: '+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 arccosine (small negative numbers)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -81,21 +71,13 @@ tape( 'the function computes the arccosine (small negative numbers)', function t

for ( i = 0; i < x.length; i++ ) {
y = acos( x[i] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. E: '+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 arccosine (small positive numbers)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -105,13 +87,7 @@ tape( 'the function computes the arccosine (small positive numbers)', function t

for ( i = 0; i < x.length; i++ ) {
y = acos( x[i] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. E: '+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
32 changes: 4 additions & 28 deletions lib/node_modules/@stdlib/math/base/special/acos/test/test.native.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ var tape = require( 'tape' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var randu = require( '@stdlib/random/base/randu' );
var tryRequire = require( '@stdlib/utils/try-require' );
var abs = require( '@stdlib/math/base/special/abs' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var EPS = require( '@stdlib/constants/float64/eps' );
var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );

Expand Down Expand Up @@ -55,8 +55,6 @@ tape( 'main export is a function', opts, function test( t ) {

tape( 'the function computes the arccosine', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -66,21 +64,13 @@ tape( 'the function computes the arccosine', opts, function test( t ) {

for ( i = 0; i < x.length; i++ ) {
y = acos( x[i] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. E: '+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 arccosine (small negative numbers)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -90,21 +80,13 @@ tape( 'the function computes the arccosine (small negative numbers)', opts, func

for ( i = 0; i < x.length; i++ ) {
y = acos( x[i] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. E: '+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 arccosine (small positive numbers)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -114,13 +96,7 @@ tape( 'the function computes the arccosine (small positive numbers)', opts, func

for ( i = 0; i < x.length; i++ ) {
y = acos( x[i] );
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. E: '+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