From 44f6d042115c0f90f36b7e4d7a1a7480f781ab2f Mon Sep 17 00:00:00 2001
From: Gerhard Kitzler <gerhard.kitzler@tuwien.ac.at>
Date: Wed, 14 Aug 2013 09:20:49 +0000
Subject: [PATCH] added M_PI

---
 libsrc/occ/utilities.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libsrc/occ/utilities.h b/libsrc/occ/utilities.h
index 8cb9e305..d345deb4 100644
--- a/libsrc/occ/utilities.h
+++ b/libsrc/occ/utilities.h
@@ -109,4 +109,9 @@
 
 #endif /* ifdef _DEBUG_*/
 
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+
 #endif /* ifndef UTILITIES_H */