122 lines
4 KiB
C++
122 lines
4 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; fill-column: 80 -*-
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//-----------------------------------------------------------------------------
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// eoEsMutationInit.h
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// (c) GeNeura Team, 1998 - EEAAX 1999 - Maarten Keijzer 2000
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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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Contact: todos@geneura.ugr.es, http://geneura.ugr.es
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Marc.Schoenauer@polytechnique.fr
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mak@dhi.dk
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*/
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//-----------------------------------------------------------------------------
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#ifndef _eoEsMutationInit_h
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#define _eoEsMutationInit_h
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#include <utils/eoParser.h>
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/** Initialize Mutation operator
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@ingroup Real
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@ingroup Variators
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Proxy class that is used for initializing the mutation operator. It provides an
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interface between eoEsMutate and the abstract parameterLoader. It also provides
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the names for the parameters in this class as virtual protected member
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functions.
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If you have more than a single ES in a project that need different names in the
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configuration files, you might consider overriding this class to change the
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names.
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@see eoEsMutate
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*/
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class eoEsMutationInit
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{
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public :
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/** Constructor
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@param _parser Parser to read parameters from.
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@param _section Parser section for \f$\tau\f$-parameters.
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*/
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eoEsMutationInit(eoParser& _parser,
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std::string _section="ES mutation parameters" ) :
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parser(_parser), repSection(_section),
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TauLclParam(0), TauGlbParam(0), TauBetaParam(0) {}
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/** Virtual destructor */
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virtual ~eoEsMutationInit() {}
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/** local tau */
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double TauLcl(void)
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{
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if (TauLclParam == 0)
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{
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TauLclParam = &parser.getORcreateParam(1.0, TauLclName(),
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"Local Tau (before normalization)",
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TauLclShort(), section());
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}
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return TauLclParam->value();
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}
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/** global tau */
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double TauGlb(void)
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{
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if (TauGlbParam == 0)
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{
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TauGlbParam = &parser.getORcreateParam(1.0, TauGlbName(),
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"Global Tau (before normalization)",
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TauGlbShort(), section());
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}
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return TauGlbParam->value();
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}
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/** correlation's tau */
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double TauBeta(void)
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{
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if (TauBetaParam == 0)
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{
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TauBetaParam = &parser.getORcreateParam(0.0873, TauBetaName(),
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"Beta", TauBetaShort(), section());
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}
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return TauBetaParam->value();
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}
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protected :
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virtual std::string section(void) { return repSection; }
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virtual std::string TauLclName(void) const { return "TauLoc"; }
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virtual char TauLclShort(void) const { return 'l'; }
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virtual std::string TauGlbName(void) const { return "TauGlob"; }
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virtual char TauGlbShort(void) const { return 'g'; }
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virtual std::string TauBetaName(void) const { return "Beta"; }
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virtual char TauBetaShort(void) const { return 'b'; }
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private:
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eoParser& parser;
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std::string repSection;
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eoValueParam<double>* TauLclParam;
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eoValueParam<double>* TauGlbParam;
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eoValueParam<double>* TauBetaParam;
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};
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#endif
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