From 03703cb3d10b03f3ac8d599c9935a5285b411966 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
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 cb3591051a7..852e2bf290d 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);
/**
--
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