Jafama

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

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License

Apache License V2.0

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ignasl Posted 2015-04-16

You should upload it to maven central.
lbalazscs Edited 2014-11-24

Great speedup of math operations, while retaining the precision of java.lang.Math
kmccandl Posted 2014-04-01

Got a factor of 2 for some cases on newer Intel chips. Thanks!
jorgegomes Edited 2013-11-25

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.
nathanfernandez Posted 2013-06-06

Jafama is great! Thanks.

1 user found this review helpful.

Additional Project Details

Intended Audience

Developers

Programming Language

Java

Related Categories

Java Mathematics Software

Registered

2009-07-20

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