105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/*
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The Evolving Distribution Objects framework (EDO) is a template-based,
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ANSI-C++ evolutionary computation library which helps you to write your
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own estimation of distribution algorithms.
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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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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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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Copyright (C) 2010 Thales group
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*/
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/*
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Authors:
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Johann Dréo <johann.dreo@thalesgroup.com>
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Pierre Savéant <pierre.saveant@thalesgroup.com>
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*/
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#ifndef _edoAlgoStateless_h
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#define _edoAlgoStateless_h
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#include "edoAlgoAdaptive.h"
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/** A generic stochastic search template for algorithms that need a distribution parameter but replace it rather than update it
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*
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* This use a default dummy distribution, for algorithms willing to replace it instead of updating
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* Thus we can instanciate _distrib on this and replace it at the first iteration with an estimator.
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* This is why an edoDistrib must have an empty constructor.
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*
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* @ingroup Algorithms
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*/
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template < typename D >
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class edoAlgoStateless : public edoAlgoAdaptive< D >
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{
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public:
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//! Alias for the type EOT
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typedef typename D::EOType EOType;
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//! Alias for the atom type
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typedef typename EOType::AtomType AtomType;
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//! Alias for the fitness
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typedef typename EOType::Fitness Fitness;
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public:
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/** Full constructor
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\param evaluator Evaluate a population
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\param selector Selection of the best candidate solutions in the population
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\param estimator Estimation of the distribution parameters
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\param sampler Generate feasible solutions using the distribution
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\param replacor Replace old solutions by new ones
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\param pop_continuator Stopping criterion based on the population features
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\param distribution_continuator Stopping criterion based on the distribution features
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*/
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edoAlgoStateless(
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eoPopEvalFunc < EOType > & evaluator,
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eoSelect< EOType > & selector,
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edoEstimator< D > & estimator,
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edoSampler< D > & sampler,
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eoReplacement< EOType > & replacor,
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eoContinue< EOType > & pop_continuator,
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edoContinue< D > & distribution_continuator
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) :
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edoAlgoAdaptive<D>( *(new D), evaluator, selector, estimator, sampler, replacor, pop_continuator, distribution_continuator)
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{}
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/** Constructor without an edoContinue
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\param evaluator Evaluate a population
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\param selector Selection of the best candidate solutions in the population
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\param estimator Estimation of the distribution parameters
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\param sampler Generate feasible solutions using the distribution
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\param replacor Replace old solutions by new ones
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\param pop_continuator Stopping criterion based on the population features
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*/
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edoAlgoStateless (
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eoPopEvalFunc < EOType > & evaluator,
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eoSelect< EOType > & selector,
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edoEstimator< D > & estimator,
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edoSampler< D > & sampler,
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eoReplacement< EOType > & replacor,
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eoContinue< EOType > & pop_continuator
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) :
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edoAlgoAdaptive<D>( *(new D), evaluator, selector, estimator, sampler, replacor, pop_continuator)
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{}
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~edoAlgoStateless()
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{
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// delete the temporary distrib allocated in constructors
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delete &(this->_distrib);
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}
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};
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#endif // !_edoAlgoStateless_h
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