diff options
| author | Chris Robinson <[email protected]> | 2008-01-15 21:23:14 -0800 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2008-01-15 21:23:14 -0800 |
| commit | abc69dd3d044fb5370b0a9afee05c3f2b9e79c21 (patch) | |
| tree | 4eddf62618a2cc6dc88cb0d30987cdb9a64a78eb | |
| parent | bf87aed459a2546bcc8762dd8a849485690ffd89 (diff) | |
Use acosf when available
| -rw-r--r-- | Alc/ALu.c | 9 | ||||
| -rw-r--r-- | CMakeLists.txt | 3 | ||||
| -rw-r--r-- | config.h.in | 3 |
3 files changed, 13 insertions, 2 deletions
@@ -49,6 +49,12 @@ typedef long long ALint64; #define aluSqrt(x) ((ALfloat)sqrt((double)(x))) #endif +#ifdef HAVE_ACOSF +#define aluAcos(x) ((ALfloat)acosf((float)(x))) +#else +#define aluAcos(x) ((ALfloat)acos((double)(x))) +#endif + // fixes for mingw32. #if defined(max) && !defined(__max) #define __max max @@ -390,7 +396,8 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource, SourceToListener[2] = -Position[2]; aluNormalize(Direction); aluNormalize(SourceToListener); - Angle = (ALfloat)(180.0*acos(aluDotproduct(Direction,SourceToListener))/3.141592654f); + Angle = aluAcos(aluDotproduct(Direction,SourceToListener)) * 180.0f / + 3.141592654f; if(Angle >= InnerAngle && Angle <= OuterAngle) { ALfloat scale = (Angle-InnerAngle) / (OuterAngle-InnerAngle); diff --git a/CMakeLists.txt b/CMakeLists.txt index ff74f23d..056b6fdd 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -101,7 +101,8 @@ ENDIF() CHECK_LIBRARY_EXISTS(m sqrtf "" HAVE_SQRTF) -IF(HAVE_SQRTF) +CHECK_LIBRARY_EXISTS(m acosf "" HAVE_ACOSF) +IF(HAVE_SQRTF OR HAVE_ACOSF) SET(EXTRA_LIBS m ${EXTRA_LIBS}) ENDIF() CHECK_FUNCTION_EXISTS(strtof HAVE_STRTOF) diff --git a/config.h.in b/config.h.in index 931d16ae..5890b6fd 100644 --- a/config.h.in +++ b/config.h.in @@ -19,6 +19,9 @@ /* Define if we have the sqrtf function */ #cmakedefine HAVE_SQRTF +/* Define if we have the acosf function */ +#cmakedefine HAVE_ACOSF + /* Define if we have the strtof function */ #cmakedefine HAVE_STRTOF |