From 9dbedacddadac160ecbcb777ec62089280794da3 Mon Sep 17 00:00:00 2001
From: Artem Pavlenko <artem@mapnik.org>
Date: Wed, 19 Oct 2011 15:17:48 +0100
Subject: [PATCH] add round() and M_PI support for windows builds

---
 include/mapnik/global.hpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/mapnik/global.hpp b/include/mapnik/global.hpp
index 83e87db7e..55eb6f1b1 100644
--- a/include/mapnik/global.hpp
+++ b/include/mapnik/global.hpp
@@ -166,8 +166,21 @@ inline int rint( double val)
 {
     return int(floor(val + 0.5));
 }
+
+inline double round (double val)
+{
+    return floor(val);
+} 
+
+#define  _USE_MATH_DEFINES
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 #endif
 
 }
 
+
+
 #endif //GLOBAL_HPP