[AgentIcarus]

If you enjoyed this you might also like http://www.hackersdelight.org and the associated book.

[ingve]

Bit Twiddling Hacks [0] is also good. (HN discussion: [1])

[0] https://graphics.stanford.edu/~seander/bithacks.html

[1] https://news.ycombinator.com/item?id=12026879