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https://issues.apache.org/jira/browse/MATH-579?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luc Maisonobe resolved MATH-579.
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Resolution: Fixed
Fix Version/s: 3.0
So I have added a thorough explanation in the class javadoc without any code
change as of r1124151.
Thanks for reporting the issue and discussing about it.
> 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
> Fix For: 3.0
>
>
> 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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