Konstantin Berlin created MATH-901:
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Summary: FastMath.sin is slow
Key: MATH-901
URL: https://issues.apache.org/jira/browse/MATH-901
Project: Commons Math
Issue Type: Bug
Affects Versions: 3.1
Environment: Mac OS 10.8.2, Java 7
Reporter: Konstantin Berlin
The FastMath.sin (maybe other functions too) are not nearly as fast as some
other libraries that can be found on the internet.
The *much* faster code can be found here
http://www.oliford.co.uk/phys/code/AlgorithmRepository/src/jafama/.
Max Absolute Error Apache vs JDK: 1.1102230246251565E-16
Max Absolute Error Alternative vs JDK: 5.551115123125783E-16
JDK Time: 0.698
Apache Time: 0.491
Alternative Time: 0.18
I will add my test code as soon as I figure out how.
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