moItRandNextMove.h

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-

// "moNextMove.h"

// (c) OPAC Team, LIFL, 2003-2006

/* LICENCE TEXT
   
   Contact: paradiseo-help@lists.gforge.inria.fr
*/

#ifndef __moItRandNextMove_h
#define __moItRandNextMove_h

#include "moNextMove.h"
#include "moRandMove.h"


template < class M > class moItRandNextMove:public moNextMove < M >
{

  typedef typename M::EOType EOT;

public:


  moItRandNextMove (moRandMove < M > &__rand_move,
                    unsigned int __max_iter):rand_move (__rand_move),
    max_iter (__max_iter), num_iter (0)
  {

  }


  bool operator   () (M & __move, const EOT & __sol)
  {

    if (num_iter++ > max_iter)
      {

        num_iter = 0;
        return false;
      }
    else
      {

        /* The given solution is discarded here */
        rand_move (__move);
        num_iter++;
        return true;
      }
  }

private:

  moRandMove < M > &rand_move;

  unsigned int max_iter;

  unsigned int num_iter;

};

#endif

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