From 16ed29726b4376bbe1326bddd6e459f9dad90208 Mon Sep 17 00:00:00 2001
From: biagio montesano <ubisum@biagioPC.(none)>
Date: Fri, 1 Aug 2014 12:37:42 +0200
Subject: [PATCH] Moved M_PI definition to precomp

---
 modules/line_descriptor/src/precomp.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/line_descriptor/src/precomp.hpp b/modules/line_descriptor/src/precomp.hpp
index 3b66cd6d1..cfd46b322 100644
--- a/modules/line_descriptor/src/precomp.hpp
+++ b/modules/line_descriptor/src/precomp.hpp
@@ -42,6 +42,8 @@
 #ifndef __OPENCV_PRECOMP_H__
 #define __OPENCV_PRECOMP_H__
 
+#define _USE_MATH_DEFINES
+
 #include <algorithm>
 #include "opencv2/core/utility.hpp"
 #include "opencv2/core/private.hpp"