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# moBestImprSelect.h

    00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
    00002
    00003 // "moBestImprSelect.h"
    00004
    00005 // (c) OPAC Team, LIFL, 2003-2006
    00006
    00007 /* LICENCE TEXT
    00008
    00009    Contact: paradiseo-help@lists.gforge.inria.fr
    00010 */
    00011
    00012 #ifndef __moBestImprSelect_h
    00013 #define __moBestImprSelect_h
    00014
    00015 #include "moMoveSelect.h"
    00016
    00018
    00022 template < class M > class moBestImprSelect:public moMoveSelect < M >
    00023 {
    00024
    00025 public:
    00026
    00028   typedef typename M::EOType::Fitness Fitness;
    00029
    00031   void init (const Fitness & __fit)
    00032   {
    00033
    00034     first_time = true;
    00035   }
    00036
    00037
    00039
    00047   bool update (const M & __move, const Fitness & __fit)
    00048   {
    00049
    00050     if (first_time || __fit > best_fit)
    00051       {
    00052
    00053         best_fit = __fit;
    00054         best_move = __move;
    00055
    00056         first_time = false;
    00057       }
    00058
    00059     return true;
    00060   }
    00061
    00063
    00068   void operator   () (M & __move, Fitness & __fit) throw (EmptySelection)
    00069   {
    00070
    00071     if (!first_time)
    00072       {
    00073         __move = best_move;
    00074         __fit = best_fit;
    00075       }
    00076     else
    00077       throw EmptySelection ();
    00078   }
    00079
    00080 private:
    00081
    00083   bool first_time;
    00084
    00086   M best_move;
    00087
    00089   Fitness best_fit;
    00090
    00091 };
    00092
    00093 #endif