Quake III & the reciprocal square root

In the C source code of the famous game “Quake III — Arena” you can find an incredibly efficient piece of code that seems totally insane and incomprehensible! It is the code for computing the…

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PDF) A Correctly Rounded Newton Step for the Reciprocal Square Root

PDF) A Correctly Rounded Newton Step for the Reciprocal Square Root

Quake III & the reciprocal square root

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GitHub - skailasa/pyinvsqrt: Quake 3 Fast Inverse Square Root in

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