No floating point article is complete with a reference to the Fast Inverse Squar... | Hacker News

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		JetSpiegel on Sept 16, 2014 \| parent \| context \| favorite \| on: What every computer programmer should know about f... No floating point article is complete with a reference to the Fast Inverse Square Root [1]. 1: https://en.wikipedia.org/wiki/Fast_inverse_square_root

spb on Sept 16, 2014 [–]

Home of my favorite line of functioning code in any shipping product:

i = 0x5f3759df - ( i >> 1 ); // what the fuck?

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