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The BIG change of general operator interface

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I also changed
  - the eoQuadratic into eoQuad (as dicussed with Maarten)
  - the eoBin into eoBit, with more appropriate names for the "binary"
    operators (that can be unary!) as no one protested when I posted on
    eodev list
This commit is contained in:
evomarc 2001-02-09 05:09:26 +00:00
commit 415b419671
60 changed files with 2034 additions and 940 deletions
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eo/src/eoGeneralBreeder.h Normal file
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// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// eoGeneralBreeder.h
// (c) Maarten Keijzer and 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: mkeijzer@dhi.dk
Marc.Schoenauer@polytechnique.fr
*/
//-----------------------------------------------------------------------------
#ifndef eoGeneralBreeder_h
#define eoGeneralBreeder_h
//-----------------------------------------------------------------------------
/*****************************************************************************
* eoGeneralBreeder: transforms a population using the generalOp construct.
*****************************************************************************/
#include <eoOp.h>
#include <eoPopulator.h>
/**
Base class for breeders using generalized operators.
*/
template<class EOT>
class eoGeneralBreeder: public eoBreed<EOT>
{
public:
/** Ctor:
*
* @param _select a selectoOne, to be used for all selections
* @param _op a general operator (will generally be an eoOpContainer)
* @param _rate pour howMany, le nbre d'enfants a generer
* @param _interpret_as_rate <a href="../../tutorial/html/eoEngine.html#howmany">explanation</a>
*/
eoGeneralBreeder( eoSelectOne<EOT>& _select, eoGenOp<EOT>& _op,
double _rate=1.0, bool _interpret_as_rate = true) :
select( _select ), op(_op), howMany(_rate, _interpret_as_rate) {}
/** The breeder: simply calls the genOp on a selective populator!
*
* @param _parents the initial population
* @param _offspring the resulting population (content -if any- is lost)
*/
void operator()(const eoPop<EOT>& _parents, eoPop<EOT>& _offspring)
{
unsigned target = howMany(_parents.size());
eoSelectivePopulator<EOT> it(_parents, select);
select.setup(_parents);
while (it.size() < target)
{
op(it);
}
swap(_offspring, it);
_offspring.resize(target); // you might have generated a few more
}
/// The class name.
string className() const { return "eoGeneralBreeder"; }
private:
eoSelectOne<EOT>& select;
eoGenOp<EOT>& op;
eoHowMany howMany;
};
#endif eoBreeder_h