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test: migrate math/base/special/csignum to ULP-based assertions #14080

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Merged
kgryte merged 1 commit into from
Aug 9, 2026
+6 −32
Merged

test: migrate math/base/special/csignum to ULP-based assertions #14080

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19 changes: 3 additions & 16 deletions lib/node_modules/@stdlib/math/base/special/csignum/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,11 +21,10 @@
// MODULES //

var tape = require( 'tape' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' );
var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' );
var Complex128 = require( '@stdlib/complex/float64/ctor' );
Expand All @@ -48,10 +47,8 @@ tape( 'main export is a function', function test( t ) {
});

tape( 'the function evaluates the signum function', function test( t ) {
var delta;
var ere;
var eim;
var tol;
var re;
var im;
var y;
Expand All @@ -64,18 +61,8 @@ tape( 'the function evaluates the signum function', function test( t ) {

for ( i = 0; i < re.length; i++ ) {
y = csignum( new Complex128( re[ i ], im[ i ] ) );
if ( real( y ) === ere[ i ] && imag( y ) === eim[ i ] ) {
t.strictEqual( real( y ), ere[ i ], 're: '+re[ i ]+'. Expected: '+ere[ i ] );
t.strictEqual( imag( y ), eim[ i ], 'im: '+im[ i ]+'. Expected: '+eim[ i ] );
} else {
delta = abs( real( y ) - ere[ i ] );
tol = EPS * abs( ere[ i ] );
t.ok( delta <= tol, 'within tolerance. re: '+re[ i ]+'. im: '+im[ i ]+'. Actual re: '+real( y )+'. Expected re: '+ere[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );

delta = abs( imag( y ) - eim[ i ] );
tol = EPS * abs( eim[ i ] );
t.ok( delta <= tol, 'within tolerance. re: '+re[ i ]+'. im: '+im[ i ]+'. Actual im: '+imag( y )+'. Expected im: '+eim[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( real( y ), ere[ i ], 0 ), true, 'returns expected value' );
t.strictEqual( isAlmostSameValue( imag( y ), eim[ i ], 0 ), true, 'returns expected value' );
}
t.end();
});
Expand Down
19 changes: 3 additions & 16 deletions lib/node_modules/@stdlib/math/base/special/csignum/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,10 @@

var resolve = require( 'path' ).resolve;
var tape = require( 'tape' );
var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
var PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var isNegativeZero = require( '@stdlib/math/base/assert/is-negative-zero' );
var isPositiveZero = require( '@stdlib/math/base/assert/is-positive-zero' );
var Complex128 = require( '@stdlib/complex/float64/ctor' );
Expand Down Expand Up @@ -57,10 +56,8 @@ tape( 'main export is a function', opts, function test( t ) {
});

tape( 'the function evaluates the signum function', opts, function test( t ) {
var delta;
var ere;
var eim;
var tol;
var re;
var im;
var y;
Expand All @@ -73,18 +70,8 @@ tape( 'the function evaluates the signum function', opts, function test( t ) {

for ( i = 0; i < re.length; i++ ) {
y = csignum( new Complex128( re[ i ], im[ i ] ) );
if ( real( y ) === ere[ i ] && imag( y ) === eim[ i ] ) {
t.strictEqual( real( y ), ere[ i ], 're: '+re[ i ]+'. Expected: '+ere[ i ] );
t.strictEqual( imag( y ), eim[ i ], 'im: '+im[ i ]+'. Expected: '+eim[ i ] );
} else {
delta = abs( real( y ) - ere[ i ] );
tol = EPS * abs( ere[ i ] );
t.ok( delta <= tol, 'within tolerance. re: '+re[ i ]+'. im: '+im[ i ]+'. Actual re: '+real( y )+'. Expected re: '+ere[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );

delta = abs( imag( y ) - eim[ i ] );
tol = EPS * abs( eim[ i ] );
t.ok( delta <= tol, 'within tolerance. re: '+re[ i ]+'. im: '+im[ i ]+'. Actual im: '+imag( y )+'. Expected im: '+eim[ i ]+'. delta: '+delta+'. tol: '+tol+'.' );
}
t.strictEqual( isAlmostSameValue( real( y ), ere[ i ], 0 ), true, 'returns expected value' );
t.strictEqual( isAlmostSameValue( imag( y ), eim[ i ], 0 ), true, 'returns expected value' );
}
t.end();
});
Expand Down