Applying third patch from LANG-381. Fixes the minimum(float[]) type methods to correctly return NaN when it is in the array, and adds an IEEE754rUtils class that obeys the IEEE 754r update in which NaN in min/max methods should be ignored unless all values are NaN. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@609475 13f79535-47bb-0310-9956-ffa450edef68
4 files changed