diff options
Diffstat (limited to 'libavutil/internal.h')
| -rw-r--r-- | libavutil/internal.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h index a80ea2470b..1012f1c690 100644 --- a/libavutil/internal.h +++ b/libavutil/internal.h @@ -265,6 +265,13 @@ 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; +} +#endif /* HAVE_LOG2 */ + #if !HAVE_LRINT static av_always_inline av_const long int lrint(double x) { |