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test: migrate math/base/special/csc to ULP-based assertions #13828

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

test: migrate math/base/special/csc to ULP-based assertions #13828

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159 changes: 27 additions & 132 deletions lib/node_modules/@stdlib/math/base/special/csc/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,10 @@

var tape = require( 'tape' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var abs = require( '@stdlib/math/base/special/abs' );
var PI = require( '@stdlib/constants/float64/pi' );
var EPS = require( '@stdlib/constants/float64/eps' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var csc = require( './../lib' );


Expand Down Expand Up @@ -57,8 +56,6 @@ tape( 'main export is a function', function test( t ) {

tape( 'the function computes the cosecant (huge negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -67,22 +64,14 @@ tape( 'the function computes the cosecant (huge negative values)', function test
expected = hugeNegative.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (huge positive values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -91,22 +80,14 @@ tape( 'the function computes the cosecant (huge positive values)', function test
expected = hugePositive.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( isAlmostSameValue( y, expected[ i ], 2 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (very large positive values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -115,22 +96,14 @@ tape( 'the function computes the cosecant (very large positive values)', functio
expected = veryLargePositive.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (very large negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -139,22 +112,14 @@ tape( 'the function computes the cosecant (very large negative values)', functio
expected = veryLargeNegative.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( isAlmostSameValue( y, expected[ i ], 1 ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (large positive values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -163,22 +128,14 @@ tape( 'the function computes the cosecant (large positive values)', function tes
expected = largePositive.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (large negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -187,22 +144,14 @@ tape( 'the function computes the cosecant (large negative values)', function tes
expected = largeNegative.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (medium positive values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -211,22 +160,14 @@ tape( 'the function computes the cosecant (medium positive values)', function te
expected = mediumPositive.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (medium negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -235,22 +176,14 @@ tape( 'the function computes the cosecant (medium negative values)', function te
expected = mediumNegative.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (small positive values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -259,22 +192,14 @@ tape( 'the function computes the cosecant (small positive values)', function tes
expected = smallPositive.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (small negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -283,22 +208,14 @@ tape( 'the function computes the cosecant (small negative values)', function tes
expected = smallNegative.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (smaller values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -307,22 +224,14 @@ tape( 'the function computes the cosecant (smaller values)', function test( t )
expected = smaller.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (tiny positive values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -331,22 +240,14 @@ tape( 'the function computes the cosecant (tiny positive values)', function test
expected = tinyPositive.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});

tape( 'the function computes the cosecant (tiny negative values)', function test( t ) {
var expected;
var delta;
var tol;
var x;
var y;
var i;
Expand All @@ -355,14 +256,8 @@ tape( 'the function computes the cosecant (tiny negative values)', function test
expected = tinyNegative.expected;

for ( i = 0; i < x.length; i++ ) {
y = csc(x[i]);
if ( y === expected[ i ] ) {
t.strictEqual(y, expected[i], 'x: ' + x[i] + '. E: ' + expected[i]);
} else {
delta = abs(y - expected[i]);
tol = 1.4 * EPS * abs(expected[i]);
t.ok(delta <= tol, 'within tolerance. x: ' + x[i] + '. y: ' + y + '. E: ' + expected[i] + '. tol: ' + tol + '. Δ: ' + delta + '.');
}
y = csc( x[ i ] );
t.strictEqual( y, expected[ i ], 'returns expected value' );
}
t.end();
});
Expand Down
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