itkWindowConvergenceMonitoringFunction.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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 itkWindowConvergenceMonitoringFunction_h
#define itkWindowConvergenceMonitoringFunction_h
 
#include "itkConvergenceMonitoringFunction.h"
 
namespace itk
{
namespace Function
{
 
template <typename TScalar = double>
class ITK_TEMPLATE_EXPORT WindowConvergenceMonitoringFunction : public ConvergenceMonitoringFunction<TScalar, TScalar>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(WindowConvergenceMonitoringFunction);
 
  using Self = WindowConvergenceMonitoringFunction;
  using Superclass = ConvergenceMonitoringFunction<TScalar, TScalar>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(WindowConvergenceMonitoringFunction);
 
  using ScalarType = TScalar;
  using RealType = typename NumericTraits<ScalarType>::RealType;
 
  using typename Superclass::EnergyValueType;
  using typename Superclass::EnergyValueContainerType;
  using typename Superclass::EnergyValueContainerSizeType;
  using EnergyValueIterator = typename EnergyValueContainerType::iterator;
  using EnergyValueConstIterator = typename EnergyValueContainerType::const_iterator;

  void
  AddEnergyValue(const EnergyValueType) override;
 
  /* Clear energy values and set total energy to 0 */
  void
  ClearEnergyValues() override;

  itkSetMacro(WindowSize, EnergyValueContainerSizeType);
  itkGetConstMacro(WindowSize, EnergyValueContainerSizeType);

  RealType
  GetConvergenceValue() const override;
 
protected:
  WindowConvergenceMonitoringFunction();
 
  ~WindowConvergenceMonitoringFunction() override = default;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  EnergyValueContainerSizeType m_WindowSize{};
 
  RealType m_TotalEnergy{};
};
} // end namespace Function
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkWindowConvergenceMonitoringFunction.hxx"
#endif
 
#endif