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| author | Chris Robinson <[email protected]> | 2018-02-06 02:35:08 -0800 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2018-02-06 02:35:08 -0800 |
| commit | f5f996c14a7d7c46f0967eee01af9b6b77caa4a7 (patch) | |
| tree | bfa4a5f0fbf7325ca7037417784abe785a1720f0 | |
| parent | da1ee3baba32e3a2525d90e97e172965d4f90287 (diff) | |
Check for a cbrtf function
| -rw-r--r-- | CMakeLists.txt | 1 | ||||
| -rw-r--r-- | common/math_defs.h | 7 | ||||
| -rw-r--r-- | config.h.in | 3 |
3 files changed, 11 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 5d665e72..17f561f2 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -510,6 +510,7 @@ CHECK_SYMBOL_EXISTS(_aligned_malloc malloc.h HAVE__ALIGNED_MALLOC) CHECK_SYMBOL_EXISTS(lrintf math.h HAVE_LRINTF) CHECK_SYMBOL_EXISTS(modff math.h HAVE_MODFF) CHECK_SYMBOL_EXISTS(log2f math.h HAVE_LOG2F) +CHECK_SYMBOL_EXISTS(cbrtf math.h HAVE_CBRTF) IF(HAVE_FLOAT_H) CHECK_SYMBOL_EXISTS(_controlfp float.h HAVE__CONTROLFP) diff --git a/common/math_defs.h b/common/math_defs.h index cbe9091f..428f5181 100644 --- a/common/math_defs.h +++ b/common/math_defs.h @@ -29,6 +29,13 @@ static inline float log2f(float f) } #endif +#ifndef HAVE_CBRTF +static inline float cbrtf(float f) +{ + return powf(f, 1.0f/3.0f); +} +#endif + #define DEG2RAD(x) ((float)(x) * (F_PI/180.0f)) #define RAD2DEG(x) ((float)(x) * (180.0f/F_PI)) diff --git a/config.h.in b/config.h.in index 8ef9057a..2abeedfd 100644 --- a/config.h.in +++ b/config.h.in @@ -89,6 +89,9 @@ /* Define if we have the log2f function */ #cmakedefine HAVE_LOG2F +/* Define if we have the cbrtf function */ +#cmakedefine HAVE_CBRTF + /* Define if we have the strtof function */ #cmakedefine HAVE_STRTOF |