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| author | Vitor Sessak <vitor1001@gmail.com> | 2010-01-16 01:27:46 +0000 |
|---|---|---|
| committer | Vitor Sessak <vitor1001@gmail.com> | 2010-01-16 01:27:46 +0000 |
| commit | 06cb7a1c8f4965e45f4e102d69c0efc0dadb8eec (patch) | |
| tree | 70020ffecb6795332fc2103b54d844963695c838 /libavutil/internal.h | |
| parent | a4be782cbde337ced47b04e2e6f79ba99e79ae1d (diff) | |
Use macros instead of inline functions to replace the following missing C99
functions: exp2, exp2f, log2, log2f.
Should fix compilation in systems where these functions are defined in math.h
but not implemented.
Originally committed as revision 21231 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/internal.h')
| -rw-r--r-- | libavutil/internal.h | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h index ad43206756..1d21ae4d7a 100644 --- a/libavutil/internal.h +++ b/libavutil/internal.h @@ -264,17 +264,13 @@ if ((y) < (x)) {\ } #if !HAVE_EXP2 -static av_always_inline av_const double exp2(double x) -{ - return exp(x * 0.693147180559945); -} +#undef exp2 +#define exp2(x) exp((x) * 0.693147180559945) #endif /* HAVE_EXP2 */ #if !HAVE_EXP2F -static av_always_inline av_const float exp2f(float x) -{ - return exp2(x); -} +#undef exp2f +#define exp2f(x) exp2(x) #endif /* HAVE_EXP2F */ #if !HAVE_LLRINT @@ -285,17 +281,13 @@ static av_always_inline av_const long long llrint(double x) #endif /* HAVE_LLRINT */ #if !HAVE_LOG2 -static av_always_inline av_const double log2(double x) -{ - return log(x) * 1.44269504088896340736; -} +#undef log2 +#define log2(x) (log(x) * 1.44269504088896340736) #endif /* HAVE_LOG2 */ #if !HAVE_LOG2F -static av_always_inline av_const float log2f(float x) -{ - return log2(x); -} +#undef log2f +#define log2f(x) log2(x) #endif /* HAVE_LOG2F */ #if !HAVE_LRINT |