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Changed name of eoEsLocalXover to eoEsStandardXover and made it an eoBinOp

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Removed obsolete eoEsStdevXOver.h (see eoEsStandardXover.h above)
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evomarc 2001-05-19 06:15:01 +00:00
commit 9631c9eb11
2 changed files with 11 additions and 101 deletions
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124
eo/src/es/eoEsLocalXover.h
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/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// eoEsLocalXover.h : ES global crossover
// (c) Marc Schoenauer 2001
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact: marc.schoenauer@polytechnique.fr http://eeaax.cmap.polytchnique.fr/
*/
//-----------------------------------------------------------------------------
#ifndef _eoEsLocalXover_H
#define _eoEsLocalXover_H
#include <utils/eoRNG.h>
#include <es/eoEsSimple.h>
#include <es/eoEsStdev.h>
#include <es/eoEsFull.h>
#include <eoGenOp.h>
// needs a selector - here random
#include <eoRandomSelect.h>
/** Local (i.e. std eoBinOp) crossover operator for ES genotypes.
* Uses some Atom crossovers to handle both the object variables
* and the mutation strategy parameters
* It is an eoGenOp and not an eoBinOp for consistency with the global version
*/
template<class EOT>
class eoEsLocalXover: public eoGenOp<EOT>
{
public:
typedef typename EOT::Fitness FitT;
/**
* (Default) Constructor.
*/
eoEsLocalXover(eoBinOp<double> & _crossObj, eoBinOp<double> & _crossMut) :
crossObj(_crossObj), crossMut(_crossMut) {}
/// The class name. Used to display statistics
virtual string className() const { return "eoEsLocalXover"; }
/// The TOTAL number of offspring (here = nb of parents modified in place)
unsigned max_production(void) { return 1; }
/**
* modifies one parents in the populator
* using a second parent
*
* @param _pop a POPULATOR (not a simple population)
*/
void apply(eoPopulator<EOT>& _plop)
{
// First, select as many parents as you will have offspring
EOT& parent1 = *_plop; // select the first parent
const EOT& parent2 = sel(_plop.source()); // and the second, randomly
// first, the object variables
for (unsigned i=0; i<parent1.size(); i++)
{
crossObj(parent1[i], parent2[i]); // apply eoBinOp
}
// then the self-adaptation parameters
cross_self_adapt(parent1, parent2);
// dont' forget to invalidate
parent1.invalidate();
}
private:
// the method to cross slef-adaptation parameters: need to specialize
void cross_self_adapt(eoEsSimple<FitT> & _parent1, const eoEsSimple<FitT> & _parent2)
{
crossMut(_parent1.stdev, _parent2.stdev); // apply eoBinOp
}
void cross_self_adapt(eoEsStdev<FitT> & _parent1, const eoEsStdev<FitT> & _parent2)
{
for (unsigned i=0; i<_parent1.size(); i++)
{
crossMut(_parent1.stdevs[i], _parent2.stdevs[i]); // apply eoBinOp
}
}
void cross_self_adapt(eoEsFull<FitT> & _parent1, const eoEsFull<FitT> & _parent2)
{
unsigned i;
// the StDev
for (i=0; i<_parent1.size(); i++)
{
crossMut(_parent1.stdevs[i], _parent2.stdevs[i]); // apply eoBinOp
}
// the roataion angles
for (i=0; i<_parent1.correlations.size(); i++)
{
crossMut(_parent1.correlations[i], _parent2.correlations[i]); // apply eoBinOp
}
}
// the data
eoRandomSelect<EOT> sel;
eoBinOp<double> & crossObj;
eoBinOp<double> & crossMut;
};
#endif