Doom's Fast Inverse Square: https://medium.com/hard-mode/the-legendary-fast-inverse-square-root-e51fee3b49d9 https://medium.com/hard-mode/the-legendary-fast-in

Doom's Fast Inverse Square: https://medium.com/hard-mode/the-legendary-fast-inverse-square-root-e51fee3b49d9 https://medium.com/hard-mode/the-legendary-fast-inverse-squa... Though a close second for me would be Mersenne Twister https://en.wikipedia.org/wiki/Mersenne_Twister https://en.wikipedia.org/wiki/Mersenne_Twister