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The FastInvSqrt function!

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Numsgil:
Just so it doesn't seem I was randomly pulling out source code to play with:

The article on inverse square root.

Botsareus:
looks fun  :P

Numsgil:
I think I have a function figured out that's native VB for square root function.

I'm going to see if it's faster or no.

Numsgil:
Nope, the best I can do is a function that's less accurate and just as fast.

Really goes to show the amount of overhead involved in visual basic.  Or the speed of the VB sqr function  :rolleyes:

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