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IgniteTheSun
on Sept 15, 2012
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Fast Inverse Square Root
Not to be too pedantic, but this is the reciprocal of the square root. (The inverse of the square root operation would be the square operation.)
bo1024
on Sept 16, 2012
[–]
On the other hand, you could parse it as inverse (square root). Inverse of x is 1/x.
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