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| author | Mans Rullgard <mans@mansr.com> | 2010-07-07 00:27:52 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-22 19:49:27 +0200 |
| commit | ab2539708a241ddb2190d95d68a86b71b0bec601 (patch) | |
| tree | bafd401f06b790587bced92aae967473b6758989 | |
| parent | 9c48a7cc525130e4a6426a10a697de8c3b1c5cbc (diff) | |
| download | ffmpeg-ab2539708a241ddb2190d95d68a86b71b0bec601.tar.gz | |
Check for cbrtf() and provide fallback
(cherry picked from commit bfb37d7db1c6394099f6b177e10d6e769e678f6a)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rwxr-xr-x | configure | 2 | ||||
| -rw-r--r-- | libavutil/libm.h | 5 |
2 files changed, 7 insertions, 0 deletions
@@ -1125,6 +1125,7 @@ HAVE_LIST=" attribute_may_alias attribute_packed bswap + cbrtf closesocket cmov dcbzl @@ -2999,6 +3000,7 @@ check_lib math.h sin -lm && LIBM="-lm" disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd enabled vaapi && require vaapi va/va.h vaInitialize -lva +check_mathfunc cbrtf check_mathfunc exp2 check_mathfunc exp2f check_mathfunc llrint diff --git a/libavutil/libm.h b/libavutil/libm.h index 7e5f668e16..62faea45be 100644 --- a/libavutil/libm.h +++ b/libavutil/libm.h @@ -28,6 +28,11 @@ #include "config.h" #include "attributes.h" +#if !HAVE_CBRTF +#undef cbrtf +#define cbrtf(x) powf(x, 1.0/3.0) +#endif /* HAVE_CBRTF */ + #if !HAVE_EXP2 #undef exp2 #define exp2(x) exp((x) * 0.693147180559945) |