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+/*
+  <moGeometricCoolingSchedule.h>
+  Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
+  (C) OPAC Team, LIFL, 2002-2008
+ 
+  Sébastien Cahon, Jean-Charles Boisson (Jean-Charles.Boisson@lifl.fr)
+ 
+  This software is governed by the CeCILL license under French law and
+  abiding by the rules of distribution of free software.  You can  use,
+  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".
+ 
+  As a counterpart to the access to the source code and  rights to copy,
+  modify and redistribute granted by the license, users are provided only
+  with a limited warranty  and the software's author,  the holder of the
+  economic rights,  and the successive licensors  have only  limited liability.
+ 
+  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 _moGeometricCoolingSchedule_h
+#define _moGeometricCoolingSchedule_h
+
+#include <moCoolingSchedule.h>
+
+//! One of the possible moCoolingSchedule
+/*!
+  An other very simple cooling schedule, the temperature decrease according to a ratio while
+  the temperature is greater than a given threshold.
+*/
+class moGeometricCoolingSchedule: public moCoolingSchedule
+{
+ public:
+  
+  //! Simple constructor
+  /*!
+    \param _threshold the threshold.
+    \param _ratio the ratio used to descrease the temperature.
+  */
+  moGeometricCoolingSchedule (double _threshold, double _ratio):threshold (_threshold), ratio (_ratio)
+  {}
+    
+  //! Function which proceeds to the cooling.
+  /*!
+    It decreases the temperature and indicates if it is greater than the threshold.
+      
+    \param _temperature the current temperature.
+    \return if the new temperature (current temperature * ratio) is greater than the threshold.
+  */
+  bool operator() (double & _temperature)
+  {
+    return (_temperature *= ratio) > threshold;
+  }
+
+ private:
+    
+  //! The temperature threhold.
+  double threshold;
+    
+  //! The decreasing factor of the temperature.
+  double ratio;
+};
+
+#endif