From 239e68ddbfa038e29b9e332503721d6bbae806c3 Mon Sep 17 00:00:00 2001
From: Jingning Han <jingning@google.com>
Date: Tue, 27 May 2014 11:30:14 -0700
Subject: [PATCH] Fix compiling error in MSVS

Need to include math.h before tmmintrin.h in some versions of MSVS.

Change-Id: Ia6b83ae599316887ecf30c4e4b9e4355fb8a4219
---
 vp9/common/x86/vp9_idct_intrin_ssse3.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/vp9/common/x86/vp9_idct_intrin_ssse3.c b/vp9/common/x86/vp9_idct_intrin_ssse3.c
index 9a6980e0fb..e5d3cb5f44 100644
--- a/vp9/common/x86/vp9_idct_intrin_ssse3.c
+++ b/vp9/common/x86/vp9_idct_intrin_ssse3.c
@@ -8,6 +8,11 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#if defined(_MSC_VER) && _MSC_VER <= 1500
+// Need to include math.h before calling tmmintrin.h/intrin.h
+// in certain versions of MSVS.
+#include <math.h>
+#endif
 #include <tmmintrin.h>  // SSSE3
 #include "vp9/common/x86/vp9_idct_intrin_sse2.h"
 
-- 
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