peoParaSGATransform.h

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

// "peoParaSGATransform.h"

//(c) OPAC Team, LIFL, August 2005

/* This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.
   
   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   
   Contact: paradiseo-help@lists.gforge.inria.fr
*/

#ifndef __peoParaSGATransform_h
#define __peoParaSGATransform_h

#include "peoTransform.h"
#include "core/thread.h"
#include "core/messaging.h"
#include "core/peo_debug.h"


extern int getNodeRank();


template< class EOT > class peoParaSGATransform : public peoTransform< EOT > {

public:

        using peoTransform< EOT > :: requestResourceRequest;
        using peoTransform< EOT > :: resume;
        using peoTransform< EOT > :: stop;
        using peoTransform< EOT > :: getOwner;

        peoParaSGATransform( 

                                eoQuadOp< EOT >& __cross,
                                double __cross_rate,
                                eoMonOp< EOT >& __mut, 
                                double __mut_rate 
        );

        void operator()( eoPop< EOT >& __pop );
        
        void packData();
        
        void unpackData();
        
        void execute();
        
        void packResult();
        
        void unpackResult();
        
        void notifySendingData();
        void notifySendingAllResourceRequests();

private:

    eoQuadOp< EOT >& cross;
    double cross_rate;

    eoMonOp< EOT >& mut;
    double mut_rate;

    unsigned idx;

    eoPop< EOT >* pop;

    EOT father, mother;

    unsigned num_term;
};

template< class EOT > peoParaSGATransform< EOT > :: peoParaSGATransform( 

                                eoQuadOp< EOT >& __cross,
                                double __cross_rate,
                                eoMonOp < EOT >& __mut,
                                double __mut_rate 

                ) : cross( __cross ), cross_rate( __cross_rate ), mut( __mut ), mut_rate( __mut_rate )
{

}


template< class EOT > void peoParaSGATransform< EOT > :: packData() {

        pack( idx );
         :: pack( pop->operator[]( idx++ ) );
         :: pack( pop->operator[]( idx++ ) );
}


template< class EOT > void peoParaSGATransform< EOT > :: unpackData() {

        unpack( idx );
         :: unpack( father );
         :: unpack( mother );
}


template< class EOT > void peoParaSGATransform< EOT > :: execute() {

        if( rng.uniform() < cross_rate ) cross( mother, father );

        if( rng.uniform() < mut_rate ) mut( mother );
        if( rng.uniform() < mut_rate ) mut( father );
}


template< class EOT > void peoParaSGATransform< EOT > :: packResult() {

        pack( idx );
         :: pack( father );
         :: pack( mother );
}


template< class EOT > void peoParaSGATransform< EOT > :: unpackResult() {

        unsigned sidx;
        
        unpack( sidx );
         :: unpack( pop->operator[]( sidx++ ) );
         :: unpack( pop->operator[]( sidx ) );
        num_term += 2;
        
        if( num_term == pop->size() ) {

                getOwner()->setActive();
                resume();
        }
}


template< class EOT > void peoParaSGATransform< EOT > :: operator()( eoPop < EOT >& __pop ) {

        printDebugMessage( "performing the parallel transformation step." );
        pop = &__pop;
        idx = 0;
        num_term = 0;
        requestResourceRequest( __pop.size() / 2 );
        stop();
}


template< class EOT > void peoParaSGATransform< EOT > :: notifySendingData() {

}


template< class EOT > void peoParaSGATransform< EOT > :: notifySendingAllResourceRequests() {

        getOwner()->setPassive();
}


#endif

---