/usr/include/ITK-4.9/itkEuclideanDistanceMetric.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
This file is owned by root:root, with mode 0o644.
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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 itkEuclideanDistanceMetric_h
#define itkEuclideanDistanceMetric_h
#include "itkDistanceMetric.h"
namespace itk
{
namespace Statistics
{
/** \class EuclideanDistanceMetric
* \brief Euclidean distance function.
*
*
* \ingroup ITKStatistics
*/
template< typename TVector >
class EuclideanDistanceMetric:
public DistanceMetric< TVector >
{
public:
/** Standard "Self" typedef. */
typedef EuclideanDistanceMetric Self;
typedef DistanceMetric< TVector > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef typename Superclass::MeasurementVectorType MeasurementVectorType;
typedef typename MeasurementVectorTraitsTypes< MeasurementVectorType >::ValueType ValueType;
typedef typename Superclass::MeasurementVectorSizeType MeasurementVectorSizeType;
typedef typename Superclass::OriginType OriginType;
/** Run-time type information (and related methods). */
itkTypeMacro(EuclideanDistanceMetric, DistanceMetric);
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Gets the distance between the origin and x */
double Evaluate(const MeasurementVectorType & x) const ITK_OVERRIDE;
/** Gets the distance between x1 and x2 */
double Evaluate(const MeasurementVectorType & x1, const MeasurementVectorType & x2) const ITK_OVERRIDE;
/** Gets the cooridnate distance between a and b. NOTE: a and b
* should be type of component. This method is used by
* KdTreeKMeans estimators. When the estimator is refactored,
* this method should be removed. */
double Evaluate(const ValueType & a, const ValueType & b) const;
protected:
EuclideanDistanceMetric() {}
virtual ~EuclideanDistanceMetric() {}
}; // end of class
} // end of namespace Statistics
} // end of namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkEuclideanDistanceMetric.hxx"
#endif
#endif
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