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From Arne Plöse (JIRA) <j...@apache.org>
Subject [jira] [Created] (MATH-579) FastMath.pow much slower than Math.pow
Date Tue, 17 May 2011 13:16:47 GMT
FastMath.pow much slower than Math.pow
--------------------------------------

                 Key: MATH-579
                 URL: https://issues.apache.org/jira/browse/MATH-579
             Project: Commons Math
          Issue Type: Bug
    Affects Versions: 3.0
         Environment: java version "1.6.0_22"
OpenJDK Runtime Environment (IcedTea6 1.10.1) (6b22-1.10.1-0ubuntu1)
OpenJDK 64-Bit Server VM (build 20.0-b11, mixed mode)


java version "1.6.0_24"
Java(TM) SE Runtime Environment (build 1.6.0_24-b07)
Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02, mixed mode)

            Reporter: Arne Plöse


calculating FastMath.pow(10, 0.1 / 20) is approximately 65 times slower as the Math.pow()
function.
Ether this is a bug or a javadoc comment is missing.

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