adding eoNonUniformOperator to eoOp.h

eo/src/eoOp.h

@@ -201,4 +201,29 @@ public:
 };
 //@}
 
+
+/**
+   eoNonUniformOperator: base class for non uniform operators
+*/
+
+class eoNonUniformOperator
+{
+public:
+  eoNonUniformOperator(const unsigned _max_time = 1): 
+    time_value(0), max_time_value(max(_max_time, 1u)) {}
+
+  void reset() { time_value = 0; }
+  
+  unsigned time() const { return time_value; }
+  
+  unsigned max_time() const { return max_time_value; }
+  void max_time(const unsigned _max_time) { max_time_value = _max_time; }
+  
+  void operator++() { ++time_value; }
+  void operator++(int) { ++time_value; }
+
+private:
+  unsigned time_value, max_time_value;
+};
+
 #endif