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  1. JDK
  2. JDK-8249198

Faster Math.signum(fp) for positive and negative numbers

    Details

    • Type: Enhancement
    • Status: Open
    • Priority: P4
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: core-libs
    • Labels:

      Description

      Math.signum(double d) and Math.signum(float f) are ~1.2-1.5x slower on positive and negative numbers than on zero and NaN. The case for majority of numbers can be improved with reasonable degradation in special cases.

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              • Assignee:
                dchuyko Dmitry Chuyko
                Reporter:
                dchuyko Dmitry Chuyko
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                • Created:
                  Updated: