Snippets tagged fast inverse square root; bitwise

  • Fast inverse square root

    This is an implementation of the famous 'magic number' method of rapidly calculating (inverse) square roots. (See In practice, this version is no faster in F# than using 1./sqrt(x). I've posted it as an example of how you can get down-and-dirty with the bits in F# if you need to.

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    Posted: 11 years ago by Kit Eason