itkSingleValuedNonLinearVnlOptimizer.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
 *
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 *  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.
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 *=========================================================================*/
#ifndef itkSingleValuedNonLinearVnlOptimizer_h
#define itkSingleValuedNonLinearVnlOptimizer_h

#include "itkSingleValuedNonLinearOptimizer.h"
#include "itkSingleValuedVnlCostFunctionAdaptor.h"
#include "itkCommand.h"
#include "ITKOptimizersExport.h"

namespace itk
{
class ITKOptimizers_EXPORT SingleValuedNonLinearVnlOptimizer:
  public SingleValuedNonLinearOptimizer
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(SingleValuedNonLinearVnlOptimizer);

  using Self = SingleValuedNonLinearVnlOptimizer;
  using Superclass = SingleValuedNonLinearOptimizer;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkTypeMacro(SingleValuedNonLinearVnlOptimizer,
               SingleValueNonLinearOptimizer);

  using CommandType = ReceptorMemberCommand< Self >;

  void SetCostFunction(SingleValuedCostFunction *costFunction) override = 0;

  itkGetConstReferenceMacro(Maximize, bool);
  itkSetMacro(Maximize, bool);
  itkBooleanMacro(Maximize);
  bool GetMinimize() const
  { return !m_Maximize; }
  void SetMinimize(bool v)
  { this->SetMaximize(!v); }
  void MinimizeOn()
  { this->MaximizeOff(); }
  void MinimizeOff()
  { this->MaximizeOn(); }

  itkGetConstReferenceMacro(CachedValue, MeasureType);
  itkGetConstReferenceMacro(CachedDerivative, DerivativeType);
  itkGetConstReferenceMacro(CachedCurrentPosition, ParametersType);

protected:
  SingleValuedNonLinearVnlOptimizer();
  ~SingleValuedNonLinearVnlOptimizer() override;

  using CostFunctionAdaptorType = SingleValuedVnlCostFunctionAdaptor;

  void SetCostFunctionAdaptor(CostFunctionAdaptorType *adaptor);

  const CostFunctionAdaptorType * GetCostFunctionAdaptor() const;

  CostFunctionAdaptorType * GetCostFunctionAdaptor();

  CostFunctionAdaptorType * GetNonConstCostFunctionAdaptor() const;

  void PrintSelf(std::ostream & os, Indent indent) const override;

private:
  void IterationReport(const EventObject & event);

  CostFunctionAdaptorType *m_CostFunctionAdaptor;

  bool m_Maximize;

  CommandType::Pointer m_Command;

  mutable ParametersType m_CachedCurrentPosition;
  mutable MeasureType    m_CachedValue;
  mutable DerivativeType m_CachedDerivative;
};
} // end namespace itk

#endif