From 03703cb3d10b03f3ac8d599c9935a5285b411966 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 27 Dec 2009 12:20:06 +0000 Subject: [PATCH] Document av_gcd(). Originally committed as revision 20935 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/mathematics.h | 5 +++++ 1 file changed, 5 insertions(+) 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); /**