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Adding eoDetSelect, deterministic batch selection, that copies the individuals

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one after the other. Should shuffle them in between (TODO).
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evomarc 2001-01-02 13:27:11 +00:00
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eo/src/eoDetSelect.h Normal file
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/** -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
-----------------------------------------------------------------------------
eoDetSelect.h
(c) Merc Schoenauer, Maarten Keijzer, GeNeura Team, 2000
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: todos@geneura.ugr.es, http://geneura.ugr.es
Marc.Schoenauer@polytechnique.fr
mkeijzer@dhi.dk
*/
//-----------------------------------------------------------------------------
#ifndef _eoDetSelect_h
#define _eoDetSelect_h
//-----------------------------------------------------------------------------
#include <eoSelect.h>
#include <eoHowMany.h>
#include <math.h>
//-----------------------------------------------------------------------------
/** eoDetSelect selects many individuals determinisctically
*/
template<class EOT>
class eoDetSelect : public eoSelect<EOT>
{
public:
/// init
eoDetSelect(double _rate = 1.0, bool _interpret_as_rate = true)
: howMany(_rate, _interpret_as_rate) {}
/**
@param _source the source population
@param _dest the resulting population (size of this population is
given by the HowMany data
It empties the destination and adds the selection into it)
*/
virtual void operator()(const eoPop<EOT>& _source, eoPop<EOT>& _dest)
{
unsigned int pSize = _source.size();
size_t target = howMany(pSize);
_dest.resize(target);
unsigned remain = target % pSize;
unsigned entireCopy = target / pSize;
eoPop<EOT>::iterator it = _dest.begin();
if (target >= pSize)
{
for (unsigned i=0; i<entireCopy; i++)
{
cout << "On copie tout le monde\n";
copy(_source.begin(), _source.end(), it);
it += pSize;
}
}
// the last ones
if (remain)
{
cout << "On copie les " << remain << " derniers\n";
copy(_source.begin(), _source.begin()+remain, it);
}
}
private :
eoHowMany howMany;
};
#endif