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Merged
merged 3 commits into from
Apr 9, 2025
Merged

test: add tests for IEEE 754-2019 compliance #6593

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9ca7034
test: add tests for IEEE 754-2019 compliance
anandkaranubc Apr 7, 2025
1c1a7a8
Merge branch 'develop' into ieee/cscd
anandkaranubc Apr 7, 2025
565ca6a
Merge remote-tracking branch 'upstream/develop' into ieee/cscd
stdlib-bot Apr 9, 2025
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2 changes: 1 addition & 1 deletion lib/node_modules/@stdlib/math/base/special/cscd/test/fixtures/julia/negative.json
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2 changes: 1 addition & 1 deletion lib/node_modules/@stdlib/math/base/special/cscd/test/fixtures/julia/positive.json
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4 changes: 2 additions & 2 deletions lib/node_modules/@stdlib/math/base/special/cscd/test/fixtures/julia/runner.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -62,9 +62,9 @@ file = @__FILE__;
dir = dirname( file );

# Generate fixture data for negative values:
x = range( -360.0, stop = 0.0, length = 1000 );
x = range( -360.0, stop = 0.1, length = 1000 );
gen( x, "negative.json" );

# Generate fixture data for positive values:
x = range( 0.0, stop = 360.0, length = 1000 );
x = range( 0.1, stop = 360.0, length = 1000 );
gen( x, "positive.json" );
39 changes: 36 additions & 3 deletions lib/node_modules/@stdlib/math/base/special/cscd/test/test.js
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Expand Up @@ -24,6 +24,7 @@ var tape = require( 'tape' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var EPS = require( '@stdlib/constants/float64/eps' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var abs = require( '@stdlib/math/base/special/abs' );
var cscd = require( './../lib' );

Expand All @@ -48,6 +49,38 @@ tape( 'the function returns `NaN` if provided `NaN`', function test( t ) {
t.end();
});

tape( 'if provided a positive multiple of `180.0`, the function returns `+infinity`', function test( t ) {
var v = cscd( 180.0 );
t.strictEqual( PINF, v, 'returns expected value' );

v = cscd( 360.0 );
t.strictEqual( PINF, v, 'returns expected value' );

t.end();
});

tape( 'if provided a negative multiple of `180.0`, the function returns `-infinity`', function test( t ) {
var v = cscd( -180.0 );
t.strictEqual( NINF, v, 'returns expected value' );

v = cscd( -360.0 );
t.strictEqual( NINF, v, 'returns expected value' );

t.end();
});

tape( 'the function returns `-0` if provided `-infinity`', function test( t ) {
var v = cscd( -0.0 );
t.strictEqual( NINF, v, 'returns expected value' );
t.end();
});

tape( 'the function returns `+0` if provided `+infinity`', function test( t ) {
var v = cscd( 0.0 );
t.strictEqual( PINF, v, 'returns expected value' );
t.end();
});

tape( 'the function computes the cosecant in degrees (negative values)', function test( t ) {
var expected;
var delta;
Expand All @@ -62,14 +95,14 @@ tape( 'the function computes the cosecant in degrees (negative values)', functio
for ( i = 0; i < x.length; i++ ) {
y = cscd( x[i] );
if ( expected[ i ] === null ) {
t.strictEqual( y, PINF, 'x: '+x[i]+'. E: '+expected[i] );
t.strictEqual( y, NINF, 'x: '+x[i]+'. E: '+expected[i] );
continue;
}
if ( y === expected[ i ] ) {
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 1.3 * EPS * abs( 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+'.' );
}
}
Expand Down Expand Up @@ -97,7 +130,7 @@ tape( 'the function computes the cosecant in degrees (positive values)', functio
t.strictEqual( y, expected[ i ], 'x: '+x[i]+'. E: '+expected[i] );
} else {
delta = abs( y - expected[i] );
tol = 1.3 * EPS * abs( 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+'.' );
}
}
Expand Down
35 changes: 34 additions & 1 deletion lib/node_modules/@stdlib/math/base/special/cscd/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ var tape = require( 'tape' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var EPS = require( '@stdlib/constants/float64/eps' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var abs = require( '@stdlib/math/base/special/abs' );
var tryRequire = require( '@stdlib/utils/try-require' );

Expand Down Expand Up @@ -57,6 +58,38 @@ tape( 'the function returns `NaN` if provided `NaN`', opts, function test( t ) {
t.end();
});

tape( 'if provided a positive multiple of `180.0`, the function returns `+infinity`', opts, function test( t ) {
var v = cscd( 180.0 );
t.strictEqual( PINF, v, 'returns expected value' );

v = cscd( 360.0 );
t.strictEqual( PINF, v, 'returns expected value' );

t.end();
});

tape( 'if provided a negative multiple of `180.0`, the function returns `-infinity`', opts, function test( t ) {
var v = cscd( -180.0 );
t.strictEqual( NINF, v, 'returns expected value' );

v = cscd( -360.0 );
t.strictEqual( NINF, v, 'returns expected value' );

t.end();
});

tape( 'the function returns `-0` if provided `-infinity`', opts, function test( t ) {
var v = cscd( -0.0 );
t.strictEqual( NINF, v, 'returns expected value' );
t.end();
});

tape( 'the function returns `+0` if provided `+infinity`', opts, function test( t ) {
var v = cscd( 0.0 );
t.strictEqual( PINF, v, 'returns expected value' );
t.end();
});

tape( 'the function computes the cosecant in degrees (negative values)', opts, function test( t ) {
var expected;
var delta;
Expand All @@ -71,7 +104,7 @@ tape( 'the function computes the cosecant in degrees (negative values)', opts, f
for ( i = 0; i < x.length; i++ ) {
y = cscd( x[i] );
if ( expected[ i ] === null ) {
t.strictEqual( y, PINF, 'x: '+x[i]+'. E: '+expected[i] );
t.strictEqual( y, NINF, 'x: '+x[i]+'. E: '+expected[i] );
continue;
}
if ( y === expected[ i ] ) {
Expand Down