111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
/*
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* Open BEAGLE
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* Copyright (C) 2001-2007 by Christian Gagne and Marc Parizeau
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Contact:
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* Laboratoire de Vision et Systemes Numeriques
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* Departement de genie electrique et de genie informatique
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* Universite Laval, Quebec, Canada, G1K 7P4
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* http://vision.gel.ulaval.ca
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*
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*/
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/*!
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* \file SymGPThread.cpp
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* \brief Implementation of the class SymGPThread.
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* \author Jiachuan Wang <jiacwang@ecs.umass.edu>
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* \author Christian Gagne <cgagne@gmail.com>
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* $Revision: 1.10.2.1 $
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* $Date: 2007/05/09 01:51:22 $
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*/
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#include "beagle/Coev.hpp"
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#include "CoSymEvalOp.hpp"
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#include "TrainSetEvalOp.hpp"
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#include "TrainSetThread.hpp"
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#include "SymGPEvalOp.hpp"
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#include "SymGPThread.hpp"
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#include <cmath>
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#include <cstdlib>
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#include <iostream>
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#include <stdexcept>
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#include <vector>
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#include <numeric>
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using namespace Beagle;
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/*!
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* \brief Construct the GP execution thread for the co-evolutionary symbolic regression problem.
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* \param inConfigFilename Name of the configuration file to use.
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*/
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SymGPThread::SymGPThread(Beagle::string inConfigFilename) :
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mConfigFilename(inConfigFilename)
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{ }
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/*!
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* \brief Destruct an execution thread for the SymGp problem.
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*/
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SymGPThread::~SymGPThread()
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{
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wait();
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}
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/*!
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* \brief Evolver the SymGp problem.
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*/
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void SymGPThread::main()
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{
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try {
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// 1: Build primitives.
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GP::PrimitiveSet::Handle lSet = new GP::PrimitiveSet;
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lSet->insert(new GP::Add);
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lSet->insert(new GP::Subtract);
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lSet->insert(new GP::Multiply);
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lSet->insert(new GP::Divide);
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//lSet->insert(new GP::Sin);
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//lSet->insert(new GP::Cos);
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//lSet->insert(new GP::Exp);
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//lSet->insert(new GP::Log);
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lSet->insert(new GP::TokenT<Double>("X"));
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//lSet->insert(new GP::TokenT<Double>("Pi", Double(M_PI)));
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lSet->insert(new GP::EphemeralDouble);
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// 2: Build a system.
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GP::System::Handle lSystem = new GP::System(lSet);
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// 3: Build evaluation operator.
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SymGPEvalOp::Handle lEvalOp = new SymGPEvalOp;
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// 4: Build an evolver and a vivarium.
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GP::Evolver::Handle lEvolver = new GP::Evolver(lEvalOp);
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lEvolver->addOperator(new Coev::TermBroadcastOp);
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GP::Vivarium::Handle lVivarium =
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new GP::Vivarium(new GP::Tree::Alloc, new FitnessSimpleMin::Alloc);
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// 5: Initialize and evolve the vivarium.
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lEvolver->initialize(lSystem, mConfigFilename);
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lEvolver->evolve(lVivarium);
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}
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catch(Exception& inException) {
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inException.terminate(std::cerr);
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}
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catch(std::exception& inException) {
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std::cerr << "Standard exception catched:" << std::endl << std::flush;
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std::cerr << inException.what() << std::endl << std::flush;
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}
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}
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