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| author | Michael Niedermayer <michaelni@gmx.at> | 2009-12-27 12:20:06 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2009-12-27 12:20:06 +0000 |
| commit | 03703cb3d10b03f3ac8d599c9935a5285b411966 (patch) | |
| tree | b353031539b27df7e6a38c3371a3f543a803b0d9 /libavutil/mathematics.h | |
| parent | a69be798dce4ee20ae78765da2530e6f1199aab5 (diff) | |
Document av_gcd().
Originally committed as revision 20935 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavutil/mathematics.h')
| -rw-r--r-- | libavutil/mathematics.h | 5 |
1 files changed, 5 insertions, 0 deletions
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); /** |