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Origin of Quake3's Fast InvSqrt()

Posted by Zonk on from the i-know-you-were-dying-inside-without-this dept.

geo writes "Beyond3D.com's Ryszard Sommefeldt dons his seersucker hunting jacket and meerschaum pipe to take on his secret identity as graphics code sleuth extraordinaire. In today's thrilling installment, the origins of one of the more famous snippets of graphics code in recent years is under the microscope — Quake3's Fast InvSqrt(), which has been known to cause strong geeks to go wobbly in the knees while contemplating its simple beauty and power." From the article: ""

3 of 402 comments (clear)

  1. InvSquirt!? by paniq · · Score: 0, Offtopic

    Does InvSqurt stand for Inverted Squirt? Is this when I bring my Zune back to the store after I found out what a piece of shit it is?

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  2. Re:And so why do we care? by Tx · · Score: 0, Offtopic

    Here you go. And mods, I want +5 informative for this ;)

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    Oh no... it's the future.
  3. Re:A famous quote by GigsVT · · Score: 0, Offtopic

    I bet you don't buy into other "religions" like the bill of rights?

    You have rights, stand up for them. You own your computer, not them.

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