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test: migrate math/base/special/rempio2f to ULP-based testing #12810

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33 changes: 6 additions & 27 deletions lib/node_modules/@stdlib/math/base/special/rempio2f/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -27,10 +27,9 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
var incrspace = require( '@stdlib/array/base/incrspace' );
var linspace = require( '@stdlib/array/base/linspace' );
var randu = require( '@stdlib/random/base/randu' );
var absf = require( '@stdlib/math/base/special/absf' );
var pow = require( '@stdlib/math/base/special/pow' );
var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float32/pinf' );
var NINF = require( '@stdlib/constants/float32/ninf' );
var PIO2 = require( '@stdlib/constants/float32/half-pi' );
Expand Down Expand Up @@ -68,8 +67,6 @@ tape( 'the function returns `0` and sets `y[0]` to `NaN` if provided positive or
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number in `y` such that `x - nπ/2 = r` (positive)', function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -85,16 +82,12 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[ 0 ] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x );
tol = EPS * absf( x );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( z, x, 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number 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 @@ -110,16 +103,12 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[0] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x );
tol = EPS * absf( x );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( z, x, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number in `y` such that `x - nπ/2 = r` (negative)', function test( t ) {
var delta;
var tol;
var x;
var y;
var z;
Expand All @@ -135,16 +124,12 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[0] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x );
tol = EPS * absf( x );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( z, x, 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number 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 @@ -160,16 +145,12 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[0] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x );
tol = EPS * absf( x );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( z, x, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number 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 @@ -186,9 +167,7 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[0] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x[i] );
tol = EPS * absf( x[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
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/rempio2f/test/test.native.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,10 +28,9 @@ var isnanf = require( '@stdlib/math/base/assert/is-nanf' );
var incrspace = require( '@stdlib/array/base/incrspace' );
var linspace = require( '@stdlib/array/base/linspace' );
var randu = require( '@stdlib/random/base/randu' );
var absf = require( '@stdlib/math/base/special/absf' );
var pow = require( '@stdlib/math/base/special/pow' );
var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
var EPS = require( '@stdlib/constants/float32/eps' );
var isAlmostSameValue = require( '@stdlib/number/float32/base/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float32/pinf' );
var NINF = require( '@stdlib/constants/float32/ninf' );
var PIO2 = require( '@stdlib/constants/float32/half-pi' );
Expand Down Expand Up @@ -78,8 +77,6 @@ tape( 'the function returns `0` and sets `y[0]` to `NaN` if provided positive or
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number 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 @@ -95,16 +92,12 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[ 0 ] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x );
tol = EPS * absf( x );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( z, x, 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number 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 @@ -120,16 +113,12 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[0] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x );
tol = EPS * absf( x );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( z, x, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number 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 @@ -145,16 +134,12 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[0] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x );
tol = EPS * absf( x );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( z, x, 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number 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 @@ -170,16 +155,12 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[0] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x );
tol = EPS * absf( x );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( z, x, 'returns expected value' );
}
t.end();
});

tape( 'the function returns `n` and stores `r` as a double-precision floating point number 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 @@ -196,9 +177,7 @@ tape( 'the function returns `n` and stores `r` as a double-precision floating po
t.strictEqual( isNumber( y[0] ), true, 'returns expected value' );

z = float64ToFloat32( ( PIO2*n ) + ( y[0] ) );
delta = absf( z - x[i] );
tol = EPS * absf( x[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x+'. n: '+n+'. y: '+y+'. z: '+z+'. delta: '+delta+'. tol: '+tol+'.' );
t.strictEqual( isAlmostSameValue( z, x[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});
Expand Down