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It's way older than Quake III: https://en.wikipedia.org/wiki/Fast_inverse_square_root https://en.wikipedia.org/wiki/Fast_inverse_square_root Many past discussi
by mkl 4y ago
It's way older than Quake III: https://en.wikipedia.org/wiki/Fast_inverse_square_root https://en.wikipedia.org/wiki/Fast_inverse_square_root
Many past discussions on HN: https://hn.algolia.com/?q=inverse+square+root https://hn.algolia.com/?q=inverse+square+root