itkManhattanDistanceMetric.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 itkManhattanDistanceMetric_h
#define itkManhattanDistanceMetric_h
 
#include "itkDistanceMetric.h"
 
namespace itk::Statistics
{
template <typename TVector>
class ITK_TEMPLATE_EXPORT ManhattanDistanceMetric : public DistanceMetric<TVector>
{
public:
  using Self = ManhattanDistanceMetric;
  using Superclass = DistanceMetric<TVector>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  using typename Superclass::MeasurementVectorType;
 
  using typename Superclass::MeasurementVectorSizeType;

  itkOverrideGetNameOfClassMacro(ManhattanDistanceMetric);

  itkNewMacro(Self);

  double
  Evaluate(const MeasurementVectorType & x) const override;

  double
  Evaluate(const MeasurementVectorType & x1, const MeasurementVectorType & x2) const override;
 
protected:
  ManhattanDistanceMetric() = default;
  ~ManhattanDistanceMetric() override = default;
}; // end of class
} // namespace itk::Statistics
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkManhattanDistanceMetric.hxx"
#endif
 
#endif