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test: migrate math/base/special/sincos to ULP-based testing #12801

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test: migrate math/base/special/sincos to ULP-based testing #12801

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110 changes: 12 additions & 98 deletions lib/node_modules/@stdlib/math/base/special/sincos/test/test.assign.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,6 @@ var tape = require( 'tape' );
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 Float64Array = require( '@stdlib/array/float64' );
var sincos = require( './../lib/assign.js' );

Expand All @@ -50,9 +48,7 @@ tape( 'main export is a function', function test( t ) {

tape( 'the function computes the sine and cosine (for -256*pi < x < 0)', function test( t ) {
var cosine;
var delta;
var sine;
var tol;
var x;
var y;
var i;
Expand All @@ -66,29 +62,15 @@ tape( 'the function computes the sine and cosine (for -256*pi < x < 0)', functio
for ( i = 0; i < x.length; i++ ) {
y = sincos( x[i], z, 1, 0 );
t.strictEqual( y, z, 'returns output array' );
if ( y[0] === sine[ i ] ) {
t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
} else {
delta = abs( y[0] - sine[i] );
tol = EPS * abs( sine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
if ( y[1] === cosine[ i ] ) {
t.strictEqual( y[1], cosine[ i ], 'x: '+x[i]+'. Expected: '+cosine[i] );
} else {
delta = abs( y[1] - cosine[i] );
tol = EPS * abs( cosine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
t.strictEqual( y[ 0 ], sine[ i ], 'returns expected value' );
t.strictEqual( y[ 1 ], cosine[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the sine and cosine (for 0 < x < 256*pi)', function test( t ) {
var cosine;
var delta;
var sine;
var tol;
var x;
var y;
var i;
Expand All @@ -102,29 +84,15 @@ tape( 'the function computes the sine and cosine (for 0 < x < 256*pi)', function
for ( i = 0; i < x.length; i++ ) {
y = sincos( x[i], z, 1, 0 );
t.strictEqual( y, z, 'returns output array' );
if ( y[0] === sine[ i ] ) {
t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
} else {
delta = abs( y[0] - sine[i] );
tol = EPS * abs( sine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
if ( y[1] === cosine[ i ] ) {
t.strictEqual( y[1], cosine[ i ], 'x: '+x[i]+'. Expected: '+cosine[i] );
} else {
delta = abs( y[1] - cosine[i] );
tol = EPS * abs( cosine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
t.strictEqual( y[ 0 ], sine[ i ], 'returns expected value' );
t.strictEqual( y[ 1 ], cosine[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the sine and cosine (for -2**60 (pi/2) < x < -2**20 (pi/2))', function test( t ) {
var cosine;
var delta;
var sine;
var tol;
var x;
var y;
var i;
Expand All @@ -138,29 +106,15 @@ tape( 'the function computes the sine and cosine (for -2**60 (pi/2) < x < -2**20
for ( i = 0; i < x.length; i++ ) {
y = sincos( x[i], z, 1, 0 );
t.strictEqual( y, z, 'returns output array' );
if ( y[0] === sine[ i ] ) {
t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
} else {
delta = abs( y[0] - sine[i] );
tol = EPS * abs( sine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
if ( y[1] === cosine[ i ] ) {
t.strictEqual( y[1], cosine[ i ], 'x: '+x[i]+'. Expected: '+cosine[i] );
} else {
delta = abs( y[1] - cosine[i] );
tol = EPS * abs( cosine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
t.strictEqual( y[ 0 ], sine[ i ], 'returns expected value' );
t.strictEqual( y[ 1 ], cosine[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the sine and cosine (for 2**20 (pi/2) < x < 2**60 (pi/2))', function test( t ) {
var cosine;
var delta;
var sine;
var tol;
var x;
var y;
var i;
Expand All @@ -174,29 +128,15 @@ tape( 'the function computes the sine and cosine (for 2**20 (pi/2) < x < 2**60 (
for ( i = 0; i < x.length; i++ ) {
y = sincos( x[i], z, 1, 0 );
t.strictEqual( y, z, 'returns output array' );
if ( y[0] === sine[ i ] ) {
t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
} else {
delta = abs( y[0] - sine[i] );
tol = EPS * abs( sine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
if ( y[1] === cosine[ i ] ) {
t.strictEqual( y[1], cosine[ i ], 'x: '+x[i]+'. Expected: '+cosine[i] );
} else {
delta = abs( y[1] - cosine[i] );
tol = EPS * abs( cosine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
t.strictEqual( y[ 0 ], sine[ i ], 'returns expected value' );
t.strictEqual( y[ 1 ], cosine[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the sine and cosine (for x <= -2**60 (PI/2))', function test( t ) {
var cosine;
var delta;
var sine;
var tol;
var x;
var y;
var i;
Expand All @@ -210,29 +150,15 @@ tape( 'the function computes the sine and cosine (for x <= -2**60 (PI/2))', func
for ( i = 0; i < x.length; i++ ) {
y = sincos( x[i], z, 1, 0 );
t.strictEqual( y, z, 'returns output array' );
if ( y[0] === sine[ i ] ) {
t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
} else {
delta = abs( y[0] - sine[i] );
tol = EPS * abs( sine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
if ( y[1] === cosine[ i ] ) {
t.strictEqual( y[1], cosine[ i ], 'x: '+x[i]+'. Expected: '+cosine[i] );
} else {
delta = abs( y[1] - cosine[i] );
tol = EPS * abs( cosine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
t.strictEqual( y[ 0 ], sine[ i ], 'returns expected value' );
t.strictEqual( y[ 1 ], cosine[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the sine and cosine (for x >= 2**60 (PI/2))', function test( t ) {
var cosine;
var delta;
var sine;
var tol;
var x;
var y;
var i;
Expand All @@ -246,20 +172,8 @@ tape( 'the function computes the sine and cosine (for x >= 2**60 (PI/2))', funct
for ( i = 0; i < x.length; i++ ) {
y = sincos( x[i], z, 1, 0 );
t.strictEqual( y, z, 'returns output array' );
if ( y[0] === sine[ i ] ) {
t.strictEqual( y[0], sine[ i ], 'x: '+x[i]+'. Expected: '+sine[i] );
} else {
delta = abs( y[0] - sine[i] );
tol = EPS * abs( sine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[0]+'. Expected: '+sine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
if ( y[1] === cosine[ i ] ) {
t.strictEqual( y[1], cosine[ i ], 'x: '+x[i]+'. Expected: '+cosine[i] );
} else {
delta = abs( y[1] - cosine[i] );
tol = EPS * abs( cosine[i] );
t.ok( delta <= tol, 'within tolerance. x: '+x[i]+'. Value: '+y[1]+'. Expected: '+cosine[i]+'. tol: '+tol+'. delta: '+delta+'.' );
}
t.strictEqual( y[ 0 ], sine[ i ], 'returns expected value' );
t.strictEqual( y[ 1 ], cosine[ i ], 'returns expected value' );
}
t.end();
});
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