diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gmisc/trig.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gmisc/trig.c b/src/gmisc/trig.c index 2485da85..3c6dd461 100644 --- a/src/gmisc/trig.c +++ b/src/gmisc/trig.c @@ -144,7 +144,7 @@ #if GMISC_NEED_INVSQRT // Algorithm based on Quake code. - #if GDISP_INVSQRT_REAL_SLOW + #if GMISC_INVSQRT_REAL_SLOW #include <math.h> float invsqrt(float n) { return 1.0/sqrt(n); @@ -157,7 +157,7 @@ x2 = n * 0.5F; // Convert into an int32 (no binary format conversion) - #if GDISP_INVSQRT_MIXED_ENDIAN + #if GMISC_INVSQRT_MIXED_ENDIAN ((char *)&i)[0] = ((char *)&n)[3]; ((char *)&i)[1] = ((char *)&n)[2]; ((char *)&i)[2] = ((char *)&n)[1]; @@ -170,7 +170,7 @@ i = 0x5F375A86 - (i >> 1); // The quake code used 0x5F3759DF but this is better. // Convert back to a float (no binary format conversion) - #if GDISP_INVSQRT_MIXED_ENDIAN + #if GMISC_INVSQRT_MIXED_ENDIAN ((char *)&n)[0] = ((char *)&i)[3]; ((char *)&n)[1] = ((char *)&i)[2]; ((char *)&n)[2] = ((char *)&i)[1]; |