nojhan/paradiseo
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Adding eoDetSelect, deterministic batch selection, that copies the individuals

Browse source 
one after the other. Should shuffle them in between (TODO).
This commit is contained in:
evomarc 2001-01-02 13:27:11 +00:00
commit 3074101d1c
1 changed files with 85 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

85
eo/src/eoDetSelect.h Normal file
View file

@ -0,0 +1,85 @@
/** -*- 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