Engineering, numerics, AI news from Simon Bertrandhttps://simon-bertrand.github.io/https://simon-bertrand.github.io/blog/posts/the-quake3-inverse-square-root-story/https://simon-bertrand.github.io/blog/posts/the-quake3-inverse-square-root-story/A small article on fast inverse square root, Newton refinement inspired by the magic trick in Quake III Arena.Wed, 20 May 2026 00:00:00 GMT