FastMath.signum(-0.0) does not agree with Math.signum(-0.0) ; no tests for
signum
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Key: MATH-479
URL: https://issues.apache.org/jira/browse/MATH-479
Project: Commons Math
Issue Type: Bug
Reporter: Sebb
There are no unit tests for FastMath.signum(double) as yet.
Here is one that should work, but fails:
{code}
@Test
public void testSignum() {
Assert.assertTrue(Double.valueOf(FastMath.signum(+0.0)).equals(Double.valueOf(Math.signum(+0.0))));
// OK
Assert.assertTrue(Double.valueOf(FastMath.signum(-0.0)).equals(Double.valueOf(Math.signum(-0.0))));
// FAILS
}
{code}
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