98 lines
2.8 KiB
C++
98 lines
2.8 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) 2011 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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*/
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#ifndef _edoRepairerApply_h
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#define _edoRepairerApply_h
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#include <algorithm>
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#include "edoRepairer.h"
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template < typename EOT, typename F = typename EOT::AtomType(typename EOT::AtomType) >
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class edoRepairerApply : public edoRepairer<EOT>
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{
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public:
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edoRepairerApply( F function ) : _function(function) {}
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protected:
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F * _function;
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};
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/** Apply an arbitrary unary function as a repairer on each item of the solution
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*
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* By default, the signature of the expected function is "EOT::AtomType(EOT::AtomType)"
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*
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* @ingroup Repairers
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*/
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template < typename EOT, typename F = typename EOT::AtomType(typename EOT::AtomType)>
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class edoRepairerApplyUnary : public edoRepairerApply<EOT,F>
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{
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public:
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edoRepairerApplyUnary( F function ) : edoRepairerApply<EOT,F>(function) {}
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virtual void operator()( EOT& sol )
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{
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std::transform( sol.begin(), sol.end(), sol.begin(), *(this->_function) );
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}
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};
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/** Apply an arbitrary binary function as a repairer on each item of the solution,
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* the second argument of the function being fixed and given at instanciation.
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*
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* @see edoRepairerApplyUnary
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*
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* @ingroup Repairers
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*/
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template < typename EOT, typename F = typename EOT::AtomType(typename EOT::AtomType, typename EOT::AtomType)>
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class edoRepairerApplyBinary : public edoRepairerApply<EOT,F>
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{
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public:
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typedef typename EOT::AtomType ArgType;
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edoRepairerApplyBinary(
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F function,
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ArgType arg
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) : edoRepairerApply<EOT,F>(function), _arg(arg) {}
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virtual void operator()( EOT& sol )
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{
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// call the binary function on each item
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// TODO find a way to use std::transform here? Or would it be too bloated?
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for(typename EOT::iterator it = sol.begin(); it != sol.end(); ++it ) {
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*it = (*(this->_function))( *it, _arg );
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}
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}
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protected:
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ArgType _arg;
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};
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#endif // !_edoRepairerApply_h
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