itkManhattanDistanceMetric.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 __itkManhattanDistanceMetric_h
#define __itkManhattanDistanceMetric_h

#include "itkDistanceMetric.h"

namespace itk
{
namespace Statistics
{
template< class TVector >
class ITK_EXPORT ManhattanDistanceMetric:
  public DistanceMetric< TVector >
{
public:
  typedef ManhattanDistanceMetric    Self;
  typedef DistanceMetric< TVector >  Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  typedef typename Superclass::MeasurementVectorType MeasurementVectorType;

  typedef typename Superclass::MeasurementVectorSizeType MeasurementVectorSizeType;

  itkTypeMacro(ManhattanDistanceMetric, DistanceMetric);

  itkNewMacro(Self);

  double Evaluate(const MeasurementVectorType & x) const;

  double Evaluate(const MeasurementVectorType & x1, const MeasurementVectorType & x2) const;

protected:
  ManhattanDistanceMetric() {}
  virtual ~ManhattanDistanceMetric() {}
};  // end of class
} // end of namespace Statistics
} // end of namespace itk

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

#endif