diff --git a/trunk/problems/eval/oneMaxPopEval.h b/trunk/problems/eval/oneMaxPopEval.h
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+/*
+<oneMaxPopEval.h>
+Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
+
+Sébastien Verel, Arnaud Liefooghe, Jérémie Humeau
+
+This software is governed by the CeCILL license under French law and
+abiding by the rules of distribution of free software.  You can  ue,
+modify and/ or redistribute the software under the terms of the CeCILL
+license as circulated by CEA, CNRS and INRIA at the following URL
+"http://www.cecill.info".
+
+In this respect, the user's attention is drawn to the risks associated
+with loading,  using,  modifying and/or developing or reproducing the
+software by the user in light of its specific status of free software,
+that may mean  that it is complicated to manipulate,  and  that  also
+therefore means  that it is reserved for developers  and  experienced
+professionals having in-depth computer knowledge. Users are therefore
+encouraged to load and test the software's suitability as regards their
+requirements in conditions enabling the security of their systems and/or
+data to be ensured and,  more generally, to use and operate it in the
+same conditions as regards security.
+The fact that you are presently reading this means that you have had
+knowledge of the CeCILL license and that you accept its terms.
+
+ParadisEO WebSite : http://paradiseo.gforge.inria.fr
+Contact: paradiseo-help@lists.gforge.inria.fr
+*/
+
+#ifndef _oneMaxPopEval_h
+#define _oneMaxPopEval_h
+
+#include <problems/bitString/moPopSol.h>
+#include <eval/oneMaxEval.h>
+#include <cmath>
+
+template< class EOT >
+class oneMaxPopEval : public eoEvalFunc< moPopSol<EOT> >
+{
+public:
+
+	oneMaxPopEval(oneMaxEval<EOT>& _eval, unsigned int _p): eval(_eval), p(_p){}
+	/**
+	 * Count the number of 1 in a bitString
+	 * @param _sol the solution to evaluate
+	 */
+    void operator() (moPopSol<EOT>& _sol) {
+    	double fit=0;
+        for (unsigned int i = 0; i < _sol.size(); i++){
+//        	if(_sol[i].invalid())
+        		eval(_sol[i]);
+        	fit+=pow(_sol[i].fitness(), p);
+        }
+        fit=pow(fit, (double)1/p);
+        _sol.fitness(fit);
+    }
+
+private:
+    oneMaxEval<EOT>& eval;
+    unsigned int p;
+};
+
+#endif