# eoSimpleEDA.h

    00001 // -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
    00002
    00003 //-----------------------------------------------------------------------------
    00004 // eoSimpleEDA.h
    00005 // (c) Marc Schoenauer, Maarten Keijzer, 2001
    00006 /*
    00007     This library is free software; you can redistribute it and/or
    00008     modify it under the terms of the GNU Lesser General Public
    00009     License as published by the Free Software Foundation; either
    00010     version 2 of the License, or (at your option) any later version.
    00011
    00012     This library is distributed in the hope that it will be useful,
    00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00015     Lesser General Public License for more details.
    00016
    00017     You should have received a copy of the GNU Lesser General Public
    00018     License along with this library; if not, write to the Free Software
    00019     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    00020
    00021     Contact: Marc.Schoenauer@polytechnique.fr
    00022              mkeijzer@dhi.dk
    00023  */
    00024 //-----------------------------------------------------------------------------
    00025
    00026 #ifndef _eoSimpleEDA_h
    00027 #define _eoSimpleEDA_h
    00028
    00029 //-----------------------------------------------------------------------------
    00030
    00031 #include <apply.h>
    00032 #include <eoEDA.h>
    00033 #include <eoContinue.h>
    00034 #include <eoDistribUpdater.h>
    00035 #include <eoEvalFunc.h>
    00036
    00046 template<class EOT> class eoSimpleEDA: public eoEDA<EOT>
    00047 {
    00048  public:
    00049
    00053   eoSimpleEDA(eoDistribUpdater<EOT>& _update,
    00054            eoEvalFunc<EOT>& _eval,
    00055            unsigned _popSize,
    00056            eoContinue<EOT>& _continuator
    00057            ) :
    00058     update(_update),
    00059     eval(_eval),
    00060     popSize(_popSize),
    00061     continuator(_continuator)
    00062   {}
    00063
    00069   virtual void operator()(eoDistribution<EOT>& _distrib)
    00070   {
    00071     eoPop<EOT> pop(popSize, _distrib);
    00072     do
    00073     {
    00074       try
    00075       {
    00076         apply<EOT>(_distrib, pop); // re-init. of _pop from distrib
    00077
    00078         apply<EOT>(eval, pop);     // eval of current population
    00079
    00080         update(_distrib, pop);     // updates distrib from _pop
    00081
    00082       }
    00083       catch (std::exception& e)
    00084       {
    00085             std::string s = e.what();
    00086             s.append( " in eoSimpleEDA");
    00087             throw std::runtime_error( s );
    00088       }
    00089     } while ( continuator( pop ) );
    00090   }
    00091
    00092  private:
    00093   eoDistribUpdater<EOT> & update;
    00094
    00095   eoEvalFunc<EOT>&          eval;
    00096
    00097   unsigned                  popSize;
    00098
    00099   eoContinue<EOT>&          continuator;
    00100 };
    00101
    00102 //-----------------------------------------------------------------------------
    00103
    00104 #endif
    00105