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  1. Commons Math
  2. MATH-478

FastMath is not an exact replacement for StrictMath

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.2, 3.0
    • 2.2, 3.0
    • None
    • None

    Description

      FastMath Javadoc says:

      "Faster, more accurate, portable alternative to StrictMath."

      However, it does not implement the following StrictMath methods:

      hypot(double, double)
      IEEEremainder(double, double)

      Nor the following, though it probably should:
      signum(float)
      ulp(float)

      FastMath implements the following additional methods:

      acosh(double)
      asinh(double)
      atanh(double)
      nextAfter(double, double)
      nextUp(double)

      I think this should be documented.

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                Updated:
                Resolved: