Author :
Zoltan Szabadka
Date :
2015-02-27 16:04:43
Hash :fab601e8 Message :Fix encoder compilation error on MSVS 2010.
As reported by @anthrotype, log2() is missing from MSVS 2010.
This patch uses log() and a multiplication in FastLog2()
for _MSV_VER <= 1600 and uses FastLog2() in literal_cost.cc
instead of log2().