Evolutionary algorithm to find Quake III's fast inverse square hack with Python 12 years ago
Hacker's Delight [1][2] is an amazing book dedicated to discussing about all kinds of bit hacking, including fast integer square root, cube root calculation.
[1] http://www.hackersdelight.org/
[2] http://www.amazon.com/Hackers-Delight-Edition-Henry-Warren/d...