diff options
Diffstat (limited to 'indra/llmath/llmath.h')
| -rw-r--r-- | indra/llmath/llmath.h | 43 |
1 files changed, 15 insertions, 28 deletions
diff --git a/indra/llmath/llmath.h b/indra/llmath/llmath.h index 209b506c30..e572381b1a 100644 --- a/indra/llmath/llmath.h +++ b/indra/llmath/llmath.h @@ -35,7 +35,6 @@ #include <cmath> #include <cstdlib> -#include <complex> #include "lldefs.h" //#include "llstl.h" // *TODO: Remove when LLString is gone //#include "llstring.h" // *TODO: Remove when LLString is gone @@ -61,29 +60,11 @@ #endif // Single Precision Floating Point Routines -#ifndef fsqrtf -#define fsqrtf(x) ((F32)sqrt((F64)(x))) -#endif -#ifndef sqrtf -#define sqrtf(x) ((F32)sqrt((F64)(x))) -#endif - -#ifndef cosf -#define cosf(x) ((F32)cos((F64)(x))) -#endif -#ifndef sinf -#define sinf(x) ((F32)sin((F64)(x))) -#endif -#ifndef tanf +// (There used to be more defined here, but they appeared to be redundant and +// were breaking some other includes. Removed by Falcon, reviewed by Andrew, 11/25/09) +/*#ifndef tanf #define tanf(x) ((F32)tan((F64)(x))) -#endif -#ifndef acosf -#define acosf(x) ((F32)acos((F64)(x))) -#endif - -#ifndef powf -#define powf(x,y) ((F32)pow((F64)(x),(F64)(y))) -#endif +#endif*/ const F32 GRAVITY = -9.8f; @@ -203,7 +184,7 @@ inline S32 llfloor( F32 f ) } return result; #else - return (S32)floorf(f); + return (S32)floor(f); #endif } @@ -381,11 +362,14 @@ inline F32 snap_to_sig_figs(F32 foo, S32 sig_figs) bar *= 10.f; } - foo = (F32)llround(foo * bar); + //F32 new_foo = (F32)llround(foo * bar); + // the llround() implementation sucks. Don't us it. - // shift back - foo /= bar; - return foo; + F32 sign = (foo > 0.f) ? 1.f : -1.f; + F32 new_foo = F32( S64(foo * bar + sign * 0.5f)); + new_foo /= bar; + + return new_foo; } inline F32 lerp(F32 a, F32 b, F32 u) @@ -519,4 +503,7 @@ inline F32 llgaussian(F32 x, F32 o) return 1.f/(F_SQRT_TWO_PI*o)*powf(F_E, -(x*x)/(2*o*o)); } +// Include simd math header +#include "llsimdmath.h" + #endif |