Skip to content

test: migrate math/base/special/cbrt to ULP-based testing #12806

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

Draft
Planeshifter wants to merge 1 commit into
base: develop
Choose a base branch
from
+14 −128
Draft

test: migrate math/base/special/cbrt to ULP-based testing #12806

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
142 changes: 14 additions & 128 deletions lib/node_modules/@stdlib/math/base/special/cbrt/test/test.native.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,8 +27,6 @@ var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' );
var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' );
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 tryRequire = require( '@stdlib/utils/try-require' );


Expand Down Expand Up @@ -68,8 +66,6 @@ tape( 'main export is a function', opts, function test( t ) {

tape( 'the function evaluates the cubic root of `x` on the interval `[-50,-500]', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -78,21 +74,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[-50,-500]'
x = veryLargeNegative.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[50,500]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -101,21 +89,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[50,500]`',
x = veryLargePositive.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[-20,-50]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -124,21 +104,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[-20,-50]`'
x = largeNegative.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[20,50]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -147,21 +119,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[20,50]`',
x = largePositive.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[-20,-3]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -170,21 +134,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[-20,-3]`',
x = mediumNegative.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[3,20]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -193,21 +149,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[3,20]`', o
x = mediumPositive.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[-3,-0.8]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -216,21 +164,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[-3,-0.8]`'
x = smallNegative.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[0.8,3]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -239,21 +179,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[0.8,3]`',
x = smallPositive.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates cubic root of `x` on the interval `[-0.8,0.8]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -262,21 +194,13 @@ tape( 'the function evaluates cubic root of `x` on the interval `[-0.8,0.8]`', o
x = smaller.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[-1e-300,-1e-308]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -285,21 +209,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[-1e-300,-1
x = tinyNegative.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` on the interval `[1e-300,1e-308]`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -308,21 +224,13 @@ tape( 'the function evaluates the cubic root of `x` on the interval `[1e-300,1e-
x = tinyPositive.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of subnormal `x`', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -331,21 +239,13 @@ tape( 'the function evaluates the cubic root of subnormal `x`', opts, function t
x = subnormal.x;
for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` (huge negative)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -355,21 +255,13 @@ tape( 'the function evaluates the cubic root of `x` (huge negative)', opts, func

for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function evaluates the cubic root of `x` (huge positive)', opts, function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -379,13 +271,7 @@ tape( 'the function evaluates the cubic root of `x` (huge positive)', opts, func

for ( i = 0; i < x.length; i++ ) {
y = cbrt( x[i] );
if ( y === expected[i] ) {
t.strictEqual( y, expected[i], 'x: '+x[i]+', y: '+y+', 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]+'. Δ: '+delta+'. tol: '+tol );
}
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});
Expand Down