From 5b253c76e017aefc43566f6bdbc9e7e3ba7729ff Mon Sep 17 00:00:00 2001
From: Matthias Hochsteger <matthias.hochsteger@tuwien.ac.at>
Date: Thu, 10 Nov 2016 15:24:35 +0100
Subject: [PATCH] Add a guard to avoid multiply defined AVX operators on
 Windows

---
 libsrc/general/mysimd.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libsrc/general/mysimd.hpp b/libsrc/general/mysimd.hpp
index bc00adae..62a87baf 100644
--- a/libsrc/general/mysimd.hpp
+++ b/libsrc/general/mysimd.hpp
@@ -9,7 +9,9 @@
 
 #include <immintrin.h>
 
-#ifdef WIN32
+#ifdef WIN32 
+#ifndef AVX_OPERATORS_DEFINED
+#define AVX_OPERATORS_DEFINED
 inline __m128d operator- (__m128d a) { return _mm_xor_pd(a, _mm_set1_pd(-0.0)); }
 inline __m128d operator+ (__m128d a, __m128d b) { return _mm_add_pd(a,b); }
 inline __m128d operator- (__m128d a, __m128d b) { return _mm_sub_pd(a,b); }
@@ -36,6 +38,7 @@ inline __m256d operator-= (__m256d &a, __m256d b) { return a = a-b; }
 inline __m256d operator*= (__m256d &a, __m256d b) { return a = a*b; }
 inline __m256d operator/= (__m256d &a, __m256d b) { return a = a/b; }
 #endif
+#endif