diff --git a/moeo/src/core/moeoScalarObjectiveVector.h b/moeo/src/core/moeoScalarObjectiveVector.h
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+++ b/moeo/src/core/moeoScalarObjectiveVector.h
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+/*
+
+(c) 2010 Thales group
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; version 2
+    of the License.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+Contact: http://eodev.sourceforge.net
+
+Authors:
+    Johann Dréo <johann.dreo@thalesgroup.com>
+
+*/
+
+
+#ifndef MOEOSCALAROBJECTIVEVECTOR_H_
+#define MOEOSCALAROBJECTIVEVECTOR_H_
+
+#include <iostream>
+#include <math.h>
+#include <comparator/moeoObjectiveObjectiveVectorComparator.h>
+#include <comparator/moeoParetoObjectiveVectorComparator.h>
+#include <core/moeoObjectiveVector.h>
+
+/**
+ * This class allows to represent a solution in the objective space (phenotypic representation) by a std::vector of typed values,
+ * i.e. that an objective value is represented using a T, and this for any objective.
+ */
+template < class ObjectiveVectorTraits, class T >
+class moeoScalarObjectiveVector : public moeoObjectiveVector < ObjectiveVectorTraits, T >
+{
+    public:
+
+        using moeoObjectiveVector < ObjectiveVectorTraits, T >::size;
+        using moeoObjectiveVector < ObjectiveVectorTraits, T >::operator[];
+
+        /**
+         * Ctor
+         */
+        moeoScalarObjectiveVector(T _value = 0.0) : moeoObjectiveVector < ObjectiveVectorTraits, T > (_value)
+        {}
+
+
+        /**
+         * Ctor from a vector of Ts
+         * @param _v the std::vector < T >
+         */
+        moeoScalarObjectiveVector(std::vector < T > & _v) : moeoObjectiveVector < ObjectiveVectorTraits, T > (_v)
+        {}
+
+
+        /**
+         * Returns true if the current objective vector dominates _other according to the Pareto dominance relation
+         * (but it's better to use a moeoObjectiveVectorComparator object to compare solutions)
+         * @param _other the other moeoScalarObjectiveVector object to compare with
+         */
+        bool dominates(const moeoScalarObjectiveVector < ObjectiveVectorTraits, T > & _other) const
+        {
+            moeoParetoObjectiveVectorComparator < moeoScalarObjectiveVector<ObjectiveVectorTraits, T> > comparator;
+            return comparator(_other, *this);
+        }
+
+
+        /**
+         * Returns true if the current objective vector is equal to _other (according to a tolerance value)
+         * @param _other the other moeoScalarObjectiveVector object to compare with
+         */
+        bool operator==(const moeoScalarObjectiveVector < ObjectiveVectorTraits, T > & _other) const
+        {
+            for (unsigned int i=0; i < size(); i++)
+            {
+                if ( fabs(operator[](i) - _other[i]) > ObjectiveVectorTraits::tolerance() )
+                {
+                    return false;
+                }
+            }
+            return true;
+        }
+
+
+        /**
+         * Returns true if the current objective vector is different than _other (according to a tolerance value)
+         * @param _other the other moeoScalarObjectiveVector object to compare with 
+         */
+        bool operator!=(const moeoScalarObjectiveVector < ObjectiveVectorTraits, T > & _other) const
+        {
+            return ! operator==(_other);
+        }
+
+
+        /**
+         * Returns true if the current objective vector is smaller than _other on the first objective, then on the second, and so on
+         * (can be usefull for sorting/printing)
+         * @param _other the other moeoScalarObjectiveVector object to compare with
+         */
+        bool operator<(const moeoScalarObjectiveVector < ObjectiveVectorTraits, T > & _other) const
+        {
+            moeoObjectiveObjectiveVectorComparator < moeoScalarObjectiveVector < ObjectiveVectorTraits, T > > cmp;
+            return cmp(*this, _other);
+        }
+
+
+        /**
+         * Returns true if the current objective vector is greater than _other on the first objective, then on the second, and so on
+         * (can be usefull for sorting/printing)
+         * @param _other the other moeoScalarObjectiveVector object to compare with
+         */
+        bool operator>(const moeoScalarObjectiveVector < ObjectiveVectorTraits, T > & _other) const
+        {
+            return _other < *this;
+        }
+
+
+        /**
+         * Returns true if the current objective vector is smaller than or equal to _other on the first objective, then on the second, and so on
+         * (can be usefull for sorting/printing)
+         * @param _other the other moeoScalarObjectiveVector object to compare with
+         */
+        bool operator<=(const moeoScalarObjectiveVector < ObjectiveVectorTraits, T > & _other) const
+        {
+            return operator==(_other) || operator<(_other);
+        }
+
+
+        /**
+         * Returns true if the current objective vector is greater than or equal to _other on the first objective, then on the second, and so on
+         * (can be usefull for sorting/printing)
+         * @param _other the other moeoScalarObjectiveVector object to compare with
+         */
+        bool operator>=(const moeoScalarObjectiveVector < ObjectiveVectorTraits, T > & _other) const
+        {
+            return operator==(_other) || operator>(_other);
+        }
+
+};
+
+
+/**
+ * Output for a moeoScalarObjectiveVector object
+ * @param _os output stream
+ * @param _objectiveVector the objective vector to write
+ */
+template < class ObjectiveVectorTraits >
+std::ostream & operator<<(std::ostream & _os, const moeoScalarObjectiveVector < ObjectiveVectorTraits > & _objectiveVector)
+{
+  for (unsigned int i=0; i<_objectiveVector.size()-1; i++)
+      _os << _objectiveVector[i] << " ";
+  _os << _objectiveVector[_objectiveVector.size()-1];
+  return _os;
+}
+
+/**
+ * Input for a moeoScalarObjectiveVector object
+ * @param _is input stream
+ * @param _objectiveVector the objective vector to read
+ */
+template < class ObjectiveVectorTraits >
+std::istream & operator>>(std::istream & _is, moeoScalarObjectiveVector < ObjectiveVectorTraits > & _objectiveVector)
+{
+  _objectiveVector = moeoScalarObjectiveVector < ObjectiveVectorTraits > ();
+  for (unsigned int i=0; i<_objectiveVector.size(); i++)
+    {
+      _is >> _objectiveVector[i];
+    }
+  return _is;
+}
+
+#endif /*MOEOSCALAROBJECTIVEVECTOR_H_*/