Commons Math includes (in trunk and MATH_2_X branch) a FastMath class that is described as a “Faster, more accurate, portable alternative to StrictMath” and is implemented fully in Java (unlike java.lang.Math and java.lang.StrictMath). I am generally interested in faster math operations so I decided to investigate. The first thing that I checked is if FastMath delegated to java.lang.Math or java.l