Add a method to Tools to remove duplicates from a STL vector

src/Tools.h

@@ -60,6 +60,9 @@ public:
   static void interpretRanges(std::vector<std::string>&);
 /// Switching function
   static double switchingFunc(const double, const int, const int, const double, const double, double *);
+/// Remove duplicates from a vector of types <T> 
+  template <typename T>
+  static void removeDuplicates(std::vector<T>& vec);
 };
 
 template <class T>
@@ -85,6 +88,13 @@ bool Tools::parseVector(std::vector<std::string>&line,const std::string&key,std:
   return true;
 }
 
+template<typename T>
+void Tools::removeDuplicates(std::vector<T>& vec)
+{
+   std::sort(vec.begin(), vec.end());
+   vec.erase(std::unique(vec.begin(), vec.end()), vec.end());
+}
+
 inline
 bool Tools::parseFlag(std::vector<std::string>&line,const std::string&key,bool&val){
   std::string s;