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trunk/paradiseo-peo/src/peoMoeoPopEval.h
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trunk/paradiseo-peo/src/peoMoeoPopEval.h
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/*
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* <peoMoeoPopEval.h>
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* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
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* (C) OPAC Team, LIFL, 2002-2008
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*
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* Clive Canape
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*
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* This software is governed by the CeCILL license under French law and
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* abiding by the rules of distribution of free software. You can use,
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* modify and/ or redistribute the software under the terms of the CeCILL
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* license as circulated by CEA, CNRS and INRIA at the following URL
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* "http://www.cecill.info".
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*
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* As a counterpart to the access to the source code and rights to copy,
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* modify and redistribute granted by the license, users are provided only
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* with a limited warranty and the software's author, the holder of the
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* economic rights, and the successive licensors have only limited liability.
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*
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* In this respect, the user's attention is drawn to the risks associated
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* with loading, using, modifying and/or developing or reproducing the
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* software by the user in light of its specific status of free software,
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* that may mean that it is complicated to manipulate, and that also
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* therefore means that it is reserved for developers and experienced
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* professionals having in-depth computer knowledge. Users are therefore
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* encouraged to load and test the software's suitability as regards their
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* requirements in conditions enabling the security of their systems and/or
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* data to be ensured and, more generally, to use and operate it in the
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* same conditions as regards security.
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* The fact that you are presently reading this means that you have had
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* knowledge of the CeCILL license and that you accept its terms.
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*
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* ParadisEO WebSite : http://paradiseo.gforge.inria.fr
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* Contact: paradiseo-help@lists.gforge.inria.fr
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*
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*/
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#ifndef __peoMoeoPopEval_h
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#define __peoMoeoPopEval_h
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#include <queue>
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#include <eoEvalFunc.h>
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#include "core/messaging.h"
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#include "core/peo_debug.h"
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#include "peoAggEvalFunc.h"
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#include "peoNoAggEvalFunc.h"
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//! @class peoPopEval
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//! @brief Parallel evaluation functor wrapper with MOEO
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//! @see Service eoPopEvalFunc
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//! @version 1.0
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//! @date 2008
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template< class EOT > class peoMoeoPopEval : public Service, public eoPopEvalFunc<EOT>
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{
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public:
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//! Constructor function - an EO-derived evaluation functor has to be specified; an internal reference
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//! is set towards the specified evaluation functor.
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//!
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//! @param eoEvalFunc< EOT >& __eval_func - EO-derived evaluation functor to be applied in parallel on each individual of a specified population
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peoMoeoPopEval( eoEvalFunc< EOT >& __eval_func );
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//! Constructor function - a vector of EO-derived evaluation functors has to be specified as well as an aggregation function.
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//!
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//! @param const std :: vector< eoEvalFunc < EOT >* >& __funcs - vector of EO-derived partial evaluation functors;
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//! @param peoAggEvalFunc< EOT >& __merge_eval - aggregation functor for creating a fitness value out of the partial fitness values.
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peoMoeoPopEval( const std :: vector< eoEvalFunc < EOT >* >& __funcs, peoAggEvalFunc< EOT >& __merge_eval );
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//! Operator for applying the evaluation functor (direct or aggregate) for each individual of the specified population.
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//!
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//! @param eoPop< EOT >& __pop - population to be evaluated by applying the evaluation functor specified in the constructor.
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void operator()(eoPop< EOT >& __pop);
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//! @brief Operator ()( eoPop< EOT >& __dummy, eoPop< EOT >& __pop )
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//! @param eoPop< EOT >& __dummy
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//! @param eoPop< EOT >& __pop
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void operator()( eoPop< EOT >& __dummy, eoPop< EOT >& __pop );
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//! Auxiliary function for transferring data between the process requesting an evaluation operation and the process that
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//! performs the actual evaluation phase. There is no need to explicitly call the function.
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void packData();
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//! Auxiliary function for transferring data between the process requesting an evaluation operation and the process that
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//! performs the actual evaluation phase. There is no need to explicitly call the function.
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void unpackData();
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//! Auxiliary function - it calls the specified evaluation functor(s). There is no need to explicitly call the function.
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void execute();
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//! Auxiliary function for transferring data between the process requesting an evaluation operation and the process that
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//! performs the actual evaluation phase. There is no need to explicitly call the function.
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void packResult();
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//! Auxiliary function for transferring data between the process requesting an evaluation operation and the process that
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//! performs the actual evaluation phase. There is no need to explicitly call the function.
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void unpackResult();
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//! Auxiliary function for notifications between the process requesting an evaluation operation and the processes that
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//! performs the actual evaluation phase. There is no need to explicitly call the function.
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void notifySendingData();
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//! Auxiliary function for notifications between the process requesting an evaluation operation and the processes that
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//! performs the actual evaluation phase. There is no need to explicitly call the function.
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void notifySendingAllResourceRequests();
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private:
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//! @param std :: vector< eoEvalFunc < EOT >* >& funcs
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//! @param std :: vector< eoEvalFunc < EOT >* > one_func
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//! @param peoAggEvalFunc< EOT >& merge_eval
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//! @param peoNoAggEvalFunc< EOT > no_merge_eval
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//! @param std :: queue< EOT* >tasks
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//! @param std :: map< EOT*, std :: pair< unsigned, unsigned > > progression
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//! @param unsigned num_func
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//! @param EOT sol
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//! @param EOT *ad_sol
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//! @param unsigned total
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const std :: vector< eoEvalFunc < EOT >* >& funcs;
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std :: vector< eoEvalFunc < EOT >* > one_func;
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peoAggEvalFunc< EOT >& merge_eval;
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peoNoAggEvalFunc< EOT > no_merge_eval;
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std :: queue< EOT* >tasks;
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std :: map< EOT*, std :: pair< unsigned, unsigned > > progression;
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unsigned num_func;
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EOT sol;
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EOT *ad_sol;
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unsigned total;
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};
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template< class EOT > peoMoeoPopEval< EOT > :: peoMoeoPopEval( eoEvalFunc< EOT >& __eval_func ) :
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funcs( one_func ), merge_eval( no_merge_eval )
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{
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one_func.push_back( &__eval_func );
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}
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template< class EOT > peoMoeoPopEval< EOT > :: peoMoeoPopEval(
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const std :: vector< eoEvalFunc< EOT >* >& __funcs,
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peoAggEvalFunc< EOT >& __merge_eval
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) : funcs( __funcs ), merge_eval( __merge_eval )
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{}
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template< class EOT > void peoMoeoPopEval< EOT >::operator()(eoPop< EOT >& __dummy, eoPop< EOT >& __pop )
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{
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this->operator()(__pop);
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}
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template< class EOT > void peoMoeoPopEval< EOT >::operator()(eoPop< EOT >& __pop )
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{
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for ( unsigned i = 0; i < __pop.size(); i++ )
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{
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__pop[ i ].fitness(typename EOT :: Fitness() );
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progression[ &__pop[ i ] ].first = funcs.size() - 1;
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progression[ &__pop[ i ] ].second = funcs.size();
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for ( unsigned j = 0; j < funcs.size(); j++ )
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{
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/* Queuing the 'invalid' solution and its associated owner */
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tasks.push( &__pop[ i ] );
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}
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}
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total = funcs.size() * __pop.size();
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requestResourceRequest( funcs.size() * __pop.size() );
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stop();
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}
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template< class EOT > void peoMoeoPopEval< EOT > :: packData()
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{
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pack( progression[ tasks.front() ].first-- );
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/* Packing the contents :-) of the solution */
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pack( *tasks.front() );
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/* Packing the addresses of both the solution and the owner */
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pack( tasks.front() );
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tasks.pop( );
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}
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template< class EOT > void peoMoeoPopEval< EOT > :: unpackData()
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{
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unpack( num_func );
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/* Unpacking the solution */
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unpack( sol );
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/* Unpacking the @ of that one */
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unpack( ad_sol );
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}
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template< class EOT > void peoMoeoPopEval< EOT > :: execute()
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{
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/* Computing the fitness of the solution */
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funcs[ num_func ]->operator()( sol );
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}
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template< class EOT > void peoMoeoPopEval< EOT > :: packResult()
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{
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/* Packing the fitness of the solution */
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std::vector < double > object;
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unsigned len;
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object=sol.objectiveVector();
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len=object.size();
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pack (len);
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for (unsigned i = 0 ; i < len; i ++)
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pack (object[i]);
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/* Packing the @ of the individual */
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pack( ad_sol );
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}
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template< class EOT > void peoMoeoPopEval< EOT > :: unpackResult()
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{
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/* Unpacking the computed fitness */
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unsigned len;
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std::vector < double > object;
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unpack(len);
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object.resize(len);
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for (unsigned i = 0 ; i < len; i ++)
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unpack (object[i]);
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/* Unpacking the @ of the associated individual */
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unpack( ad_sol );
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/* Associating the fitness the local solution */
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ad_sol->objectiveVector(object);
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progression[ ad_sol ].second--;
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/* Notifying the container of the termination of the evaluation */
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if ( !progression[ ad_sol ].second )
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{
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progression.erase( ad_sol );
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}
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total--;
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if ( !total )
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{
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getOwner()->setActive();
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resume();
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}
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}
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template< class EOT > void peoMoeoPopEval< EOT > :: notifySendingData()
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{}
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template< class EOT > void peoMoeoPopEval< EOT > :: notifySendingAllResourceRequests()
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{
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getOwner()->setPassive();
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}
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#endif
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