Cool Code - Quake 3 Fast InvSqrt() - Particl Digital
Por um escritor misterioso
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Ever play Quake while growing up? Aside from the game itself, the code written to build it is home to a small piece of history in being able to get around the very expensive inverse square root function using very accurate, very fast approximation. The code, specifically how the mythical constant(0x5f3759df) was derived is still…
history - Where did Fast InvSqrt() come from? - Retrocomputing Stack Exchange
Exploring Quake 3's Fast Inverse Square Root
math - Fastest implementation of sine, cosine and square root in C++ (doesn't need to be much accurate) - Stack Overflow
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PDF) SIMPLE EFFECTIVE FAST INVERSE SQUARE ROOT ALGORITHM WITH TWO MAGIC CONSTANTS
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GitHub - kvn13github/0x5F3759DF-in-Python3-FastInverseSquareRoot: The magic number 0x5F3759DF in Python3 Fast Inverse SquareRoot
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Cool Code - Quake 3 Fast InvSqrt() - Particl Digital
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