Simply brilliant.
The folks at Beyond3D did a lot of detective work to trace this code snippit (which was found in the sourcecode to Quake 3 and DOOM 3): http://www.beyond3d.com/articles/fastinvsqrt/
The folks at Beyond3D did a lot of detective work to trace this code snippit (which was found in the sourcecode to Quake 3 and DOOM 3): http://www.beyond3d.com/articles/fastinvsqrt/
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