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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 itkNNetDistanceMetricBase_h
#define itkNNetDistanceMetricBase_h
#include "itkFunctionBase.h"
namespace itk
{
namespace Statistics
{
/** \class NNetDistanceMetricBase
* \brief This is the itkNNetDistanceMetricBase class.
*
* \ingroup ITKNeuralNetworks
*/
template<typename TMeasurementVector>
class NNetDistanceMetricBase : public FunctionBase<TMeasurementVector, double>
{
public:
/** Standard class typedefs. */
typedef NNetDistanceMetricBase Self;
typedef FunctionBase<TMeasurementVector,double> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(NNetDistanceMetricBase, FunctionBase);
/** Input type */
typedef TMeasurementVector InputVectorType;
/** Evaluate at the specified input position */
virtual double Evaluate(const InputVectorType& x1, const InputVectorType& x2) const = 0;
/** Evaluate */
virtual double Evaluate(const InputVectorType& ) const {return 0;}
protected:
NNetDistanceMetricBase() {};
~NNetDistanceMetricBase() {};
/** Method to print the object. */
virtual void PrintSelf( std::ostream& os, Indent indent ) const
{
os << indent << "NNetDistanceMetricBase(" << this << ")" << std::endl;
Superclass::PrintSelf( os, indent );
}
private:
ITK_DISALLOW_COPY_AND_ASSIGN(NNetDistanceMetricBase );
};
} // end namespace Statistics
} // end namespace itk
#endif
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