freESAsymmetricMutation.h

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/*=========================================================================

  Program:   F.R.E.E. - flexible registration evaluation engine
  Version:   v.1.0.0
  Date:      $Date: 2006/09/01 12:00:00 $
  Module:    $RCSfile: freESAsymmetricMutation.h,v $
  Language:  C++



  Copyright (c) 2007 Ralf o Floca (Department of Medical Informatics,
  Institute for Medical Biometry and Informatics, University of Heidelberg,
  Germany). All rights reserved.
  See FREECopyright.txt or http://www.mi.med.uni-hd.de/free/copyright.htm
  for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __freESAsymmetricMutation_h
#define __freESAsymmetricMutation_h

#include "freESMutationBase.h"
#include <itkArray.h>
#include "freAsymmetricVariateGenerator.h"

namespace FREE
{
  namespace ES
  {

    template <class TIndividual>
    class ITK_EXPORT AsymmetricMutation: 
      public MutationBase<TIndividual>
    {
    public:
      typedef AsymmetricMutation<TIndividual>     Self ;
      typedef MutationBase<TIndividual>           Superclass;
      typedef itk::SmartPointer<Self>             Pointer;
      typedef itk::SmartPointer<const Self>       ConstPointer;

      itkNewMacro(Self);

      itkTypeMacro(AsymmetricMutation, MutationBase);

      typedef typename Superclass::IndividualType   IndividualType;
      typedef typename IndividualType::Pointer      IndividualPointer;
      typedef typename Superclass::PopulationType   PopulationType;
      typedef typename PopulationType::Pointer      PopulationPointer;

      void RegisterStrategicIndividualParameters(IndividualType& individual) const;
      void RegisterStrategicPopulationParameters(PopulationType& population) const;
      void MutateStrategicPopulationParameters(PopulationType& population) const;
      void MutateStrategicIndividualParameters(IndividualType& individual, PopulationType& population) const;

      double MutateValue(const double& value);

      itkSetMacro( Gamma, double );
      itkGetMacro( Gamma, double );

      itkSetMacro( Tau, double );
      itkGetMacro( Tau, double );

      itkSetMacro( TauGlobal, double );
      itkGetMacro( TauGlobal, double );

      itkSetMacro( Tau_Skewness, double );
      itkGetMacro( Tau_Skewness, double );

      itkSetMacro( TauGlobal_Skewness, double );
      itkGetMacro( TauGlobal_Skewness, double );

      itkSetMacro( MutateValueVariance, double );
      itkGetMacro( MutateValueVariance, double );

      itkSetMacro( MutateValueSkewness, double );
      itkGetMacro( MutateValueSkewness, double );

      typedef itk::Statistics::AsymmetricVariateGenerator VariateGeneratorType ;
      VariateGeneratorType& GetRandomGenerator() {return *(m_RandomGenerator.GetPointer());};

    protected:
      AsymmetricMutation() ;

      double m_Gamma;

      double m_TauGlobal;
      double m_Tau;

      double m_TauGlobal_Skewness;
      double m_Tau_Skewness;

      double m_MutateValueVariance;
      double m_MutateValueSkewness;

      VariateGeneratorType::Pointer m_RandomGenerator;

      void MutateObjectivParameters(IndividualType* pIndividual, PopulationType* pPopulation) const;

    private:
      AsymmetricMutation(Self const&); // Purposely not implemented.

    } ; // end of class

  } // end of namespace ES
} // end of namespace FREE


#ifndef ITK_MANUAL_INSTANTIATION
#include "freESAsymmetricMutation.txx"
#endif

#endif

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