Windows compatibility.

diff --git a/src/Plugins/SimpleMode/IO/vtkSimpleMode.cxx b/src/Plugins/SimpleMode/IO/vtkSimpleMode.cxx
index 404180ed0b16dd84a134308ccef34d1f24a32184..0affd5c177b3c2a3d9a538a82c906afdbf5c7d73 100644 (file)
--- a/src/Plugins/SimpleMode/IO/vtkSimpleMode.cxx
+++ b/src/Plugins/SimpleMode/IO/vtkSimpleMode.cxx
@@ -57,6 +57,11 @@
 #include "vtkMultiBlockDataGroupFilter.h"
 #include "vtkCompositeDataToUnstructuredGridFilter.h"
 
+#ifdef WIN32
+#define _USE_MATH_DEFINES
+#include <math.h>
+#endif
+
 #include <map>
 #include <deque>
 #include <sstream>