eoEsStandardXover.h

//-----------------------------------------------------------------------------


#ifndef _eoEsLocalXover_H
#define _eoEsLocalXover_H

#include <utils/eoRNG.h>

#include <es/eoEsSimple.h>
#include <es/eoEsStdev.h>
#include <es/eoEsFull.h>

#include <eoGenOp.h>
// needs a selector - here random
#include <eoRandomSelect.h>

template<class EOT>
class eoEsStandardXover: public eoBinOp<EOT>
{
public:
  typedef typename EOT::Fitness FitT;

  eoEsStandardXover(eoBinOp<double> & _crossObj, eoBinOp<double> & _crossMut) :
    crossObj(_crossObj), crossMut(_crossMut) {}

  virtual std::string className() const { return "eoEsStandardXover"; }

  bool operator()(EOT& _eo1, const EOT& _eo2)
    {
      bool bLoc=false;
    // first, the object variables
    for (unsigned i=0; i<_eo1.size(); i++)
      {
        bLoc |= crossObj(_eo1[i], _eo2[i]); // apply eoBinOp
      }
    // then the self-adaptation parameters
    bLoc |= cross_self_adapt(_eo1, _eo2);
    return bLoc;
  }

private:

  // the method to cross slef-adaptation parameters: need to specialize

  bool cross_self_adapt(eoEsSimple<FitT> & _parent1, const eoEsSimple<FitT> & _parent2)
  {
    return crossMut(_parent1.stdev, _parent2.stdev); // apply eoBinOp
  }

  bool cross_self_adapt(eoEsStdev<FitT> & _parent1, const eoEsStdev<FitT> & _parent2)
  {
    bool bLoc=false;
    for (unsigned i=0; i<_parent1.size(); i++)
      {
        bLoc |= crossMut(_parent1.stdevs[i], _parent2.stdevs[i]); // apply eoBinOp
      }
    return bLoc;
  }

  bool cross_self_adapt(eoEsFull<FitT> & _parent1, const eoEsFull<FitT> & _parent2)
  {
    bool bLoc=false;
    unsigned i;
    // the StDev
    for (i=0; i<_parent1.size(); i++)
      {
        bLoc |= crossMut(_parent1.stdevs[i], _parent2.stdevs[i]); // apply eoBinOp
      }
    // the roataion angles
    for (i=0; i<_parent1.correlations.size(); i++)
      {
        bLoc |= crossMut(_parent1.correlations[i], _parent2.correlations[i]); // apply eoBinOp
      }
    return bLoc;

  }

  // the data
  eoRandomSelect<EOT> sel;
  eoBinOp<double> & crossObj;
  eoBinOp<double> & crossMut;
};

#endif