Ajout des fichiers problems/eval/moPopXoverEval.h problems/bitString/moPopXover*.h pour le neighborhood lié au crossover

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1907 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-mo/src/problems/bitString/moPopXoverNeighbor.h

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+/*
+  <moPopXoverNeighbor.h>
+  Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
+
+  Sebastien Verel, Arnaud Liefooghe, Jeremie 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 _moPopXoverNeighbor_h
+#define _moPopXoverNeighbor_h
+
+#include <eoPop.h>
+#include <problems/bitString/moPopSol.h>
+#include <neighborhood/moNeighbor.h>
+
+/**
+ * Crossover neighbor: apply one crossover operator between 2 random solutions of the population 
+ */
+template< class EOT >
+class moPopXoverNeighbor : public moNeighbor<EOT>
+{
+public:
+  typedef typename EOT::SUBEOT SUBEOT ;
+
+  using moNeighbor<EOT>::fitness;
+
+  /**
+   * Move the solution according to the information of this neighbor
+   * @param _solution the solution to move
+   */
+  virtual void move(EOT & _solution) {
+    if (_solution.size() > 0) {
+      _solution[i1] = sol1;
+      _solution[i2] = sol2;
+
+      _solution.invalidate();
+    }
+  }
+
+  /**
+   * Set the index of the solutions on which the crossover is applied
+   *
+   * @param _i1 index of the first solution
+   * @param _i2 index of the second solution
+   */
+  void setIndexes(unsigned int _i1, unsigned int _i2){
+    i1 = _i1;
+    i2 = _i2;
+  }
+
+  /**
+   * Give the variable on the first solution 
+   *
+   * @return first solution
+   */
+  SUBEOT& solution1() {
+    return sol1;
+  }
+ 
+  /**
+   * Give the variable on the second solution 
+   *
+   * @return second solution
+   */
+  SUBEOT& solution2() {
+    return sol2;
+  }
+ 
+  /**
+   * Give the index in the population of the first solution 
+   *
+   * @return index of the first solution
+   */
+  unsigned int index1() {
+    return i1;
+  }
+ 
+  /**
+   * Give the index in the population of the second solution 
+   *
+   * @return index of the second solution
+   */
+  unsigned int index2() {
+    return i2;
+  }
+ 
+  /**
+   * return the class name
+   * @return the class name as a std::string
+   */
+  virtual std::string className() const {
+    return "moPopXoverNeighbor";
+  }
+
+  /**
+   * Read object.\
+   * Calls base class, just in case that one had something to do.
+   * The read and print methods should be compatible and have the same format.
+   * In principle, format is "plain": they just print a number
+   * @param _is a std::istream.
+   * @throw runtime_std::exception If a valid object can't be read.
+   */
+  virtual void readFrom(std::istream& _is) {
+    std::string fitness_str;
+    int pos = _is.tellg();
+    _is >> fitness_str;
+    if (fitness_str == "INVALID") {
+      throw std::runtime_error("invalid fitness");
+    }
+    else {
+      typename EOT::Fitness repFit ;
+      _is.seekg(pos);
+      _is >> repFit;
+
+      _is >> i1;
+      _is >> i2;
+
+      _is >> sol1;
+      _is >> sol2;
+
+      fitness(repFit);
+    }
+  }
+
+  /**
+   * Write object. Called printOn since it prints the object _on_ a stream.
+   * @param _os A std::ostream.
+   */
+  virtual void printOn(std::ostream& _os) const {
+    _os << fitness() << ' ' << i1 << ' ' << i2 << ' ' << sol1 << ' ' << sol2 << std::endl;
+  }
+
+private:
+  // the two solutions which are the results of the crossover operator
+  SUBEOT sol1, sol2;
+
+  // index of the two solutions
+  unsigned int i1, i2;
+};
+
+#endif