diff options
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/libm.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavutil/libm.h b/libavutil/libm.h index 6d8bd685b7..37b8e86b5e 100644 --- a/libavutil/libm.h +++ b/libavutil/libm.h @@ -62,6 +62,15 @@ static av_always_inline float cbrtf(float x) } #endif +#if !HAVE_COPYSIGN +static av_always_inline double copysign(double x, double y) +{ + uint64_t vx = av_double2int(x); + uint64_t vy = av_double2int(y); + return av_int2double((vx & UINT64_C(0x7fffffffffffffff)) | (vy & UINT64_C(0x8000000000000000))); +} +#endif + #if !HAVE_COSF #undef cosf #define cosf(x) ((float)cos(x)) |