moTS.h

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

// "moTS.h"

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

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

#ifndef __moTS_h
#define __moTS_h

#include <eoOp.h>
#include <eoEvalFunc.h>

#include "moAlgo.h"
#include "moSolContinue.h"

#include "moMoveExpl.h"
#include "moTSMoveLoopExpl.h"



template < class M > class moTS:public moAlgo < typename M::EOType >
{

  typedef
    typename
    M::EOType
    EOT;

  typedef
    typename
    EOT::Fitness
    Fitness;

public:


moTS (moMoveInit < M > &__move_init, moNextMove < M > &__next_move, moMoveIncrEval < M > &__incr_eval, moTabuList < M > &__tabu_list, moAspirCrit < M > &__aspir_crit, moSolContinue < EOT > &__cont, eoEvalFunc < EOT > &__full_eval):move_expl (*new moTSMoveLoopExpl < M >
             (__move_init, __next_move, __incr_eval, __tabu_list,
              __aspir_crit)), cont (__cont), full_eval (__full_eval)
      {}


moTS (moMoveExpl < M > &__move_expl, moSolContinue < EOT > &__cont, eoEvalFunc < EOT > &__full_eval):move_expl (__move_expl),
    cont (__cont),
    full_eval (__full_eval)
    {}


  bool operator   ()(EOT & __sol)
  {
    if (__sol.invalid ())
      {
        full_eval (__sol);
      }

    M move;

    EOT best_sol, new_sol;
    best_sol = __sol;

    cont.init ();

    do
      {
        new_sol = __sol;

        try
        {

          move_expl (__sol, new_sol);

        }
        catch (EmptySelection & __ex)
        {

          break;
        }

        /* Updating the best solution found until now ? */
        if (new_sol.fitness () > __sol.fitness ())
          {
            best_sol = new_sol;
          }

        __sol = new_sol;

      }
    while (cont (__sol));

    __sol = best_sol;
 
    return true;
  }

private:

  moMoveExpl < M > &move_expl;

  moSolContinue < EOT > &cont;

  eoEvalFunc < EOT > &full_eval;
};

#endif

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