diff options
Diffstat (limited to 'libavutil/internal.h')
| -rw-r--r-- | libavutil/internal.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h index 7f620d8dd7..ad43206756 100644 --- a/libavutil/internal.h +++ b/libavutil/internal.h @@ -263,6 +263,20 @@ if ((y) < (x)) {\ }\ } +#if !HAVE_EXP2 +static av_always_inline av_const double exp2(double x) +{ + return exp(x * 0.693147180559945); +} +#endif /* HAVE_EXP2 */ + +#if !HAVE_EXP2F +static av_always_inline av_const float exp2f(float x) +{ + return exp2(x); +} +#endif /* HAVE_EXP2F */ + #if !HAVE_LLRINT static av_always_inline av_const long long llrint(double x) { @@ -277,6 +291,13 @@ static av_always_inline av_const double log2(double x) } #endif /* HAVE_LOG2 */ +#if !HAVE_LOG2F +static av_always_inline av_const float log2f(float x) +{ + return log2(x); +} +#endif /* HAVE_LOG2F */ + #if !HAVE_LRINT static av_always_inline av_const long int lrint(double x) { |