--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- a/Implicit/impSurface.h
+++ b/Implicit/impSurface.h
@@ -25,6 +25,7 @@ 
 #ifdef WIN32
 	#include <windows.h>
 #endif
+#include <cstddef>
 #include <vector>
 #include <GL/gl.h>