Bit Twiddling Hacks
http://graphics.stanford.edu/~seander/bithacks.html
HakMem
http://www.inwap.com/pdp10/hbaker/hakmem/hakmem.html#contents
Bit Twiddling Hacks
http://graphics.stanford.edu/~seander/bithacks.html
HakMem
http://www.inwap.com/pdp10/hbaker/hakmem/hakmem.html#contents