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test: add special cases tests in math/base/special/xlog1py #9503

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test: add special cases tests in math/base/special/xlog1py #9503

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7f3e63a
test: add special value tests for log1pmx
ashish-066 Jan 2, 2026
343653f
test: add infinity handling tests for xlog1py
ashish-066 Jan 2, 2026
d1b01fc
style: add blank line between test blocks
ashish-066 Jan 2, 2026
092f3ca
Discard changes to lib/node_modules/@stdlib/math/base/special/log1pmx…
kgryte Jan 3, 2026
f3ad675
test: add infinity handling tests for xlog1py
ashish-066 Jan 3, 2026
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23 changes: 23 additions & 0 deletions lib/node_modules/@stdlib/math/base/special/xlog1py/test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@ var tape = require( 'tape' );
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 PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var xlog1py = require( './../lib' );


Expand Down Expand Up @@ -173,3 +175,24 @@ tape( 'the function evaluates `x * ln(y+1)` for large `x` and `y`', function tes
}
t.end();
});

tape( 'the function handles infinite values', function test( t ) {
var out;

out = xlog1py( PINF, 1.0 );
t.strictEqual( out, PINF, 'returns expected value' );

out = xlog1py( PINF, 0.0 );
t.strictEqual( isnan( out ), true, 'returns expected value' );

out = xlog1py( NINF, 1.0 );
t.strictEqual( out, NINF, 'returns expected value' );

out = xlog1py( 2.0, PINF );
t.strictEqual( out, PINF, 'returns expected value' );

out = xlog1py( -2.0, PINF );
t.strictEqual( out, NINF, 'returns expected value' );

t.end();
});
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