moeoSelectOneFromPopAndArch.h

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-

//-----------------------------------------------------------------------------
// moeoSelectOneFormPopAndArch.h
// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2006
/*
    This library...

    Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
 */
//-----------------------------------------------------------------------------

#ifndef MOEOSELECTONEFROMPOPANDARCH_H_
#define MOEOSELECTONEFROMPOPANDARCH_H_

#include <eoPop.h>
#include <eoRandomSelect.h>
#include <eoSelectOne.h>
#include <utils/eoRNG.h>
#include <moeoArchive.h>

template < class EOT > class moeoSelectOneFromPopAndArch:public eoSelectOne <
  EOT >
{
public:

moeoSelectOneFromPopAndArch (eoSelectOne < EOT > &_popSelectOne, eoSelectOne < EOT > _archSelectOne, moeoArchive < EOT > &_arch, double _ratioFromPop = 0.5):popSelectOne (_popSelectOne), archSelectOne (_archSelectOne), arch (_arch),
    ratioFromPop
    (_ratioFromPop)
  {
  }

moeoSelectOneFromPopAndArch (eoSelectOne < EOT > &_popSelectOne, moeoArchive < EOT > &_arch, double _ratioFromPop = 0.5):popSelectOne (_popSelectOne), archSelectOne (randomSelect), arch (_arch),
    ratioFromPop
    (_ratioFromPop)
  {
  }

  virtual const EOT & operator   () (const eoPop < EOT > &pop)
  {
    if (arch.size () > 0)
      if (rng.flip (ratioFromPop))
        return popSelectOne (pop);
      else
        return archSelectOne (arch);
    else
      return popSelectOne (pop);
  }

  virtual void setup (const eoPop < EOT > &_pop)
  {
    popSelectOne.setup (_pop);
  }


private:

  eoSelectOne < EOT > &popSelectOne;
  eoSelectOne < EOT > &archSelectOne;
  moeoArchive < EOT > &arch;
  double ratioFromPop;
  eoRandomSelect < EOT > randomSelect;

};

#endif /*MOEOSELECTONEFROMPOPANDARCH_H_ */

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