Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavutil/common.h | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/libavutil/common.h b/libavutil/common.h index b9fbcc4d60..a60a558b1d 100644 --- a/libavutil/common.h +++ b/libavutil/common.h @@ -80,6 +80,14 @@ */ #define FFNABS(a) ((a) <= 0 ? (a) : (-(a))) +/** + * Unsigned Absolute value. + * This takes the absolute value of a signed int and returns it as a unsigned. + * This also works with INT_MIN which would otherwise not be representable + * As with many macros, this evaluates its argument twice. + */ +#define FFABSU(a) ((a) <= 0 ? -(unsigned)(a) : (unsigned)(a)) + /** * Comparator. * For two numerical expressions x and y, gives 1 if x > y, -1 if x < y, and 0 -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
