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# moFirstImprSelect.h

    00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
    00002
    00003 // "moFirstImprSelect.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 __moFirstImprSelect_h
    00013 #define __moFirstImprSelect_h
    00014
    00015 #include "moMoveSelect.h"
    00016
    00018
    00023 template < class M > class moFirstImprSelect:public moMoveSelect < M >
    00024 {
    00025
    00026 public:
    00027
    00029   typedef typename M::EOType::Fitness Fitness;
    00030
    00032
    00035   virtual void init (const Fitness & __fit)
    00036   {
    00037
    00038     valid = false;
    00039     init_fit = __fit;
    00040   }
    00041
    00042
    00044
    00052   bool update (const M & __move, const typename M::EOType::Fitness & __fit)
    00053   {
    00054
    00055     if (__fit > init_fit)
    00056       {
    00057
    00058         best_fit = __fit;
    00059         best_move = __move;
    00060         valid = true;
    00061
    00062         return false;
    00063       }
    00064     else
    00065       {
    00066         return true;
    00067       }
    00068   }
    00069
    00071
    00076   void operator   () (M & __move, Fitness & __fit) throw (EmptySelection)
    00077   {
    00078
    00079     if (valid)
    00080       {
    00081         __move = best_move;
    00082         __fit = best_fit;
    00083       }
    00084     else
    00085       throw EmptySelection ();
    00086   }
    00087
    00088 private:
    00089
    00091   bool valid;
    00092
    00094   M best_move;
    00095
    00097   Fitness init_fit;
    00098
    00100   Fitness best_fit;
    00101
    00102 };
    00103
    00104 #endif