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Slight improvement to the precision of the GMISC invsqrt() function.

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inmarket 2013-10-24 15:25:50 +10:00
parent e6f17baf61
commit 0ea2f54637
1 changed files with 1 additions and 1 deletions
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src/gmisc/trig.c
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@ -167,7 +167,7 @@
#endif #endif
// evil floating point bit level hacking // evil floating point bit level hacking
i = 0x5F3759DF - (i >> 1); i = 0x5F375A86 - (i >> 1); // The quake code used 0x5F3759DF but this is better.
// Convert back to a float (no binary format conversion) // Convert back to a float (no binary format conversion)
#if GDISP_INVSQRT_MIXED_ENDIAN #if GDISP_INVSQRT_MIXED_ENDIAN