itkOnePlusOneEvolutionaryOptimizerv4.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkOnePlusOneEvolutionaryOptimizerv4_h
#define itkOnePlusOneEvolutionaryOptimizerv4_h

#include "itkObjectToObjectOptimizerBase.h"
#include "itkRandomVariateGeneratorBase.h"
#include <string>

namespace itk
{
template<typename TInternalComputationValueType>
class ITK_TEMPLATE_EXPORT OnePlusOneEvolutionaryOptimizerv4:
  public ObjectToObjectOptimizerBaseTemplate<TInternalComputationValueType>
{
public:
  using Self = OnePlusOneEvolutionaryOptimizerv4;
  using Superclass = ObjectToObjectOptimizerBaseTemplate<TInternalComputationValueType>;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(OnePlusOneEvolutionaryOptimizerv4, Superclass);

  using CostFunctionType = SingleValuedCostFunctionv4;
  using CostFunctionPointer = CostFunctionType::Pointer;

  using NormalVariateGeneratorType = Statistics::RandomVariateGeneratorBase;

  using MeasureType = typename Superclass::MeasureType;

  using ParametersType = typename Superclass::ParametersType;

  using ScalesType = typename Superclass::ScalesType;

  itkSetMacro(MaximumIteration, unsigned int);
  itkGetConstReferenceMacro(MaximumIteration, unsigned int);

  itkSetMacro(GrowthFactor, double);
  itkGetConstReferenceMacro(GrowthFactor, double);

  itkSetMacro(ShrinkFactor, double);
  itkGetConstReferenceMacro(ShrinkFactor, double);

  itkSetMacro(InitialRadius, double);
  itkGetConstReferenceMacro(InitialRadius, double);

  itkSetMacro(Epsilon, double);
  itkGetConstReferenceMacro(Epsilon, double);

  itkGetConstReferenceMacro(FrobeniusNorm, double);

  void SetNormalVariateGenerator(NormalVariateGeneratorType *generator);

  void Initialize(double initialRadius, double grow = -1, double shrink = -1);

  itkGetConstReferenceMacro(CurrentCost, MeasureType);
  const MeasureType & GetValue() const override;

  itkGetConstReferenceMacro(Initialized, bool);

  void StartOptimization(bool doOnlyInitialization = false) override;

  void StopOptimization()
  { m_Stop = true; }

  itkGetConstReferenceMacro(CatchGetValueException, bool);
  itkSetMacro(CatchGetValueException, bool);

  itkGetConstReferenceMacro(MetricWorstPossibleValue, double);
  itkSetMacro(MetricWorstPossibleValue, double);

  const std::string GetStopConditionDescription() const override;

protected:
  OnePlusOneEvolutionaryOptimizerv4();
  OnePlusOneEvolutionaryOptimizerv4(const OnePlusOneEvolutionaryOptimizerv4 &);
  ~OnePlusOneEvolutionaryOptimizerv4() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

private:

  NormalVariateGeneratorType::Pointer m_RandomGenerator;

  unsigned int m_MaximumIteration;

  bool   m_CatchGetValueException;
  double m_MetricWorstPossibleValue;

  double m_Epsilon;

  double m_InitialRadius;

  double m_GrowthFactor;

  double m_ShrinkFactor;

  bool m_Initialized;

  MeasureType m_CurrentCost;

  bool m_Stop;

  std::ostringstream m_StopConditionDescription;

  double m_FrobeniusNorm;
}; // end of class
} // end of namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkOnePlusOneEvolutionaryOptimizerv4.hxx"
#endif

#endif