From: Michael Niedermayer Date: Sun, 27 Dec 2009 12:20:06 +0000 (+0000) Subject: Document av_gcd(). X-Git-Tag: v0.6~2234 X-Git-Url: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff_plain;h=03703cb3d10b03f3ac8d599c9935a5285b411966 Document av_gcd(). Originally committed as revision 20935 to svn://svn.ffmpeg.org/ffmpeg/trunk --- diff --git a/libavutil/mathematics.h b/libavutil/mathematics.h index cb3591051a..852e2bf290 100644 --- a/libavutil/mathematics.h +++ b/libavutil/mathematics.h @@ -56,6 +56,11 @@ enum AVRounding { AV_ROUND_NEAR_INF = 5, ///< Round to nearest and halfway cases away from zero. }; +/** + * Returns the greatest common divisor of a and b. + * If either a or b are 0 or either or both are <0 then behavior is + * undefined. + */ int64_t av_const av_gcd(int64_t a, int64_t b); /**