[abainbridge]

Ooo, I'd never thought of using & like that. Interesting.

> (also note you got the endianness wrong in your hand-optimized version) Doh :-)

[rdc12]

Matt Godbolt's talk on ray tracers, shows how effective that change can be. Think it was that talk anyway.

https://www.youtube.com/watch?v=HG6c4Kwbv4I