diff -r 24b89cd40bfd -r 31b7784db761 src/core/math_func.hpp
--- a/src/core/math_func.hpp	Fri Dec 21 08:34:53 2007 +0000
+++ b/src/core/math_func.hpp	Fri Dec 21 19:21:21 2007 +0000
@@ -18,6 +18,12 @@
 #endif
 
 /**
+ * The largest value that can be entered in a variable
+ * @param type the type of the variable
+ */
+#define MAX_UVALUE(type) ((type)~(type)0)
+
+/**
  * Returns the maximum of two values.
  *
  * This function returns the greater value of two given values.