From e4a35244fac4171a3d3c60a5bac465b98fe0444b Mon Sep 17 00:00:00 2001
From: Måns Rullgård <mans@mansr.com>
Date: Sat, 20 Feb 2010 20:13:48 +0000
Subject: Replace log2f(10) with a constant

Originally committed as revision 21924 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavutil/mathematics.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libavutil/mathematics.h')

diff --git a/libavutil/mathematics.h b/libavutil/mathematics.h
index 29b13f77ed..4cc3b49aad 100644
--- a/libavutil/mathematics.h
+++ b/libavutil/mathematics.h
@@ -35,6 +35,9 @@
 #ifndef M_LN10
 #define M_LN10         2.30258509299404568402  /* log_e 10 */
 #endif
+#ifndef M_LOG2_10
+#define M_LOG2_10      3.32192809488736218171  /* log_2 10 */
+#endif
 #ifndef M_PI
 #define M_PI           3.14159265358979323846  /* pi */
 #endif
-- 
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