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Jafama (Java Fast Math) consists of fast - but not sloppy - counterparts of java.lang.Math treatments, plus additional ones.
They are usually about 2-4 (up to 15) times faster, with about 1e-15 accuracy, and handle special cases (NaN, etc.).
Since version 2.1, a StrictFastMath class is also provided. It is a strictfp version of FastMath (and not a fast version of StrictMath): for a same version of this library, its methods always return a same result for same arguments, which might not be the case for FastMath depending on JIT or other JVM optimizations.
Requires Java 5 or later.
Available on Central since 2015/06/05.
Also available on github since 2015/12/13:
https://github.com/jeffhain/jafama
Categories
MathematicsLicense
Apache License V2.0Follow Jafama
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User Reviews
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You should upload it to maven central.
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Great speedup of math operations, while retaining the precision of java.lang.Math
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Got a factor of 2 for some cases on newer Intel chips. Thanks!
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Great library. I was able to achieve huge performance improvements by using the provided sqrt and trigonometric functions, instead of those provided in the JDK's Math.
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Jafama is great! Thanks.
