3 ms·
attributed to John Carmack and first observed (by non-id people) in the source of Quake III here's a good read http://www.codemaestro.com/reviews/9 http://www.
by cubicle67 17y ago
attributed to John Carmack and first observed (by non-id people) in the source of Quake III
here's a good read http://www.codemaestro.com/reviews/9 http://www.codemaestro.com/reviews/9
[Edit: I've always thought this was Carmack's code, but it looks like I was wrong. see email from Carmack in here http://www.beyond3d.com/content/articles/8/ http://www.beyond3d.com/content/articles/8/ ]
- brown9-2 17y agohttp://en.wikipedia.org/wiki/Fast_inverse_square_root#History_and_investigation http://en.wikipedia.org/wiki/Fast_inverse_square_root#Histor...
- dkersten 17y agoApparently its attributed to Greg Walsh who got the idea working on the Titan graphics computer at Ardent Computers with Cleve Moler, the author of matlab. http://www.beyond3d.com/content/articles/15/ http://www.beyond3d.com/content/articles/15/