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A comment on Understanding the math behind 0x5f3759df and the fast inverse square root (2012). Parent comment

Re:Understanding the math behind 0x5f3759df and the fast inv... by adenadel on Wednesday August 16, 2017 @12:34PM (#15028859)
If you consider sqrt(x) as a function f(x) = sqrt(x) the inverse could be considered the function inverse f^-1(x) = x^2.
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