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Merged
merged 2 commits into from
Apr 5, 2025
Merged

test: add tests for IEEE 754-2019 compliance #6560

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1dd268d
test: add tests for IEEE 754-2019 compliance
anandkaranubc Apr 5, 2025
981fad3
fix: incorrect zero checks
anandkaranubc Apr 5, 2025
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18 changes: 17 additions & 1 deletion lib/node_modules/@stdlib/math/base/special/cospi/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var pow = require( '@stdlib/math/base/special/pow' );
var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
var cospi = require( './../lib/' );


Expand Down Expand Up @@ -99,7 +100,22 @@ tape( 'the function returns `0` for any value with fractional part equal to 1/2'
x = incrspace( 0.5, 100.5, 1.0 );
for ( i = 0; i < x.length; i++ ) {
y = cospi( x[i] );
t.equal( y, 0.0, 'x: '+x[i]+'. E: 0' );
t.equal( isPositiveZero( y ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function is even', function test( t ) {
var expected;
var x;
var y;
var i;

x = decimals.x;
for ( i = 0; i < x.length; i++ ) {
y = cospi( -x[i] );
expected = cospi( x[i] );
t.equal( y, expected, 'returns '+expected );
}
t.end();
});
Expand Down
18 changes: 17 additions & 1 deletion lib/node_modules/@stdlib/math/base/special/cospi/test/test.native.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ var NINF = require( '@stdlib/constants/float64/ninf' );
var EPS = require( '@stdlib/constants/float64/eps' );
var abs = require( '@stdlib/math/base/special/abs' );
var pow = require( '@stdlib/math/base/special/pow' );
var isPositiveZero = require( '@stdlib/assert/is-positive-zero' );
var tryRequire = require( '@stdlib/utils/try-require' );


Expand Down Expand Up @@ -108,7 +109,22 @@ tape( 'the function returns `0` for any value with fractional part equal to 1/2'
x = incrspace( 0.5, 100.5, 1.0 );
for ( i = 0; i < x.length; i++ ) {
y = cospi( x[i] );
t.equal( y, 0.0, 'x: '+x[i]+'. E: 0' );
t.equal( isPositiveZero( y ), true, 'returns expected value' );
}
t.end();
});

tape( 'the function is even', opts, function test( t ) {
var expected;
var x;
var y;
var i;

x = decimals.x;
for ( i = 0; i < x.length; i++ ) {
y = cospi( -x[i] );
expected = cospi( x[i] );
t.equal( y, expected, 'returns '+expected );
}
t.end();
});
Expand Down