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test: migrate math/base/special/rempio2 to ULP-based assertions #14410

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Merged
kgryte merged 1 commit into from
Aug 19, 2026
Merged

test: migrate math/base/special/rempio2 to ULP-based assertions #14410

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33 changes: 6 additions & 27 deletions lib/node_modules/@stdlib/math/base/special/rempio2/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -27,11 +27,10 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
var incrspace = require( '@stdlib/array/base/incrspace' );
var linspace = require( '@stdlib/array/base/linspace' );
var randu = require( '@stdlib/random/base/randu' );
var abs = require( '@stdlib/math/base/special/abs' );
var pow = require( '@stdlib/math/base/special/pow' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var PIO2 = require( '@stdlib/constants/float64/half-pi' );
var PIO4 = require( '@stdlib/constants/float64/fourth-pi' );
var rempio2 = require( './../lib' );
Expand Down Expand Up @@ -70,8 +69,6 @@ tape( 'the function returns `0` and sets the elements of `y` to `NaN` if provide
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (positive)', function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -88,16 +85,12 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x );
tol = EPS * abs( x );
t.strictEqual( delta <= tol, true, 'returns expected value' );
t.strictEqual( isAlmostSameValue( z, x, 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (tiny positive)', function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -114,16 +107,12 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x );
tol = EPS * abs( x );
t.strictEqual( delta <= tol, true, 'returns expected value' );
t.strictEqual( z, x, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (negative)', function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -140,16 +129,12 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x );
tol = EPS * abs( x );
t.strictEqual( delta <= tol, true, 'returns expected value' );
t.strictEqual( isAlmostSameValue( z, x, 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (tiny negative)', function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -166,16 +151,12 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x );
tol = EPS * abs( x );
t.strictEqual( delta <= tol, true, 'returns expected value' );
t.strictEqual( z, x, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (multiples of π/4)', function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -192,9 +173,7 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x[i] );
tol = EPS * abs( x[i] );
t.strictEqual( delta <= tol, true, 'returns expected value' );
t.strictEqual( isAlmostSameValue( z, x[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});
Expand Down
33 changes: 6 additions & 27 deletions lib/node_modules/@stdlib/math/base/special/rempio2/test/test.native.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,11 +28,10 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
var incrspace = require( '@stdlib/array/base/incrspace' );
var linspace = require( '@stdlib/array/base/linspace' );
var randu = require( '@stdlib/random/base/randu' );
var abs = require( '@stdlib/math/base/special/abs' );
var pow = require( '@stdlib/math/base/special/pow' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var PIO2 = require( '@stdlib/constants/float64/half-pi' );
var PIO4 = require( '@stdlib/constants/float64/fourth-pi' );
var Float64Array = require( '@stdlib/array/float64' );
Expand Down Expand Up @@ -80,8 +79,6 @@ tape( 'the function returns `0` and sets the elements of `y` to `NaN` if provide
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (positive)', opts, function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -98,16 +95,12 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x );
tol = EPS * abs( x );
t.strictEqual( delta <= tol, true, 'can recover input value' );
t.strictEqual( isAlmostSameValue( z, x, 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (tiny positive)', opts, function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -124,16 +117,12 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x );
tol = EPS * abs( x );
t.strictEqual( delta <= tol, true, 'can recover input value' );
t.strictEqual( z, x, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (negative)', opts, function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -150,16 +139,12 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x );
tol = EPS * abs( x );
t.strictEqual( delta <= tol, true, 'can recover input value' );
t.strictEqual( isAlmostSameValue( z, x, 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (tiny negative)', opts, function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -176,16 +161,12 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x );
tol = EPS * abs( x );
t.strictEqual( delta <= tol, true, 'can recover input value' );
t.strictEqual( z, x, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as two double-precision floating point numbers in `y` such that `x - nπ/2 = r` (multiples of π/4)', opts, function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -202,9 +183,7 @@ tape( 'the function returns `n` and stores `r` as two double-precision floating
t.strictEqual( isNumber( y[1] ), true, 'returns expected value' );

z = ( PIO2*n ) + ( y[0]+y[1] );
delta = abs( z - x[i] );
tol = EPS * abs( x[i] );
t.strictEqual( delta <= tol, true, 'can recover input value' );
t.strictEqual( isAlmostSameValue( z, x[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});
Expand Down