90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// eoShiftMutation.h
|
|
// (c) GeNeura Team, 2000 - EEAAX 2000 - Maarten Keijzer 2000
|
|
// (c) INRIA Futurs - Dolphin Team - Thomas Legrand 2007
|
|
/*
|
|
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
|
|
thomas.legrand@lifl.fr
|
|
Marc.Schoenauer@polytechnique.fr
|
|
mak@dhi.dk
|
|
*/
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef eoShiftMutation_h
|
|
#define eoShiftMutation_h
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
|
|
/**
|
|
* Shift two components of a chromosome.
|
|
*
|
|
* @ingroup Variators
|
|
*/
|
|
template<class EOT> class eoShiftMutation: public eoMonOp<EOT>
|
|
{
|
|
public:
|
|
|
|
typedef typename EOT::AtomType GeneType;
|
|
|
|
/// CTor
|
|
eoShiftMutation(){}
|
|
|
|
|
|
/// The class name.
|
|
virtual std::string className() const { return "eoShiftMutation"; }
|
|
|
|
|
|
/**
|
|
* Shift two components of the given eoosome.
|
|
* @param eo The cromosome which is going to be changed.
|
|
*/
|
|
bool operator()(EOT& _eo)
|
|
{
|
|
|
|
unsigned i, j, from, to;
|
|
GeneType tmp;
|
|
|
|
// generate two different indices
|
|
i=eo::rng.random(_eo.size());
|
|
do j = eo::rng.random(_eo.size()); while (i == j);
|
|
|
|
// indexes
|
|
from=std::min(i,j);
|
|
to=std::max(i,j);
|
|
|
|
// keep the first component to change
|
|
tmp=_eo[to];
|
|
|
|
// shift
|
|
for(unsigned int k=to ; k > from ; k--)
|
|
_eo[k]=_eo[k-1];
|
|
|
|
// shift the first component
|
|
_eo[from]=tmp;
|
|
|
|
return true;
|
|
}
|
|
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
#endif
|
|
|