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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkIdentityTransferFunction.txx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkIdentityTransferFunction_txx
#define __itkIdentityTransferFunction_txx
#include "itkIdentityTransferFunction.h"
namespace itk
{
namespace Statistics
{
/** Constructor */
template<class ScalarType>
IdentityTransferFunction<ScalarType>
::IdentityTransferFunction()
{
}
/** Destructor */
template<class ScalarType>
IdentityTransferFunction<ScalarType>
::~IdentityTransferFunction()
{
}
template<class ScalarType>
ScalarType
IdentityTransferFunction<ScalarType>
::Evaluate(const ScalarType& input) const
{
return input;
}
template<class ScalarType>
ScalarType
IdentityTransferFunction<ScalarType>
::EvaluateDerivative(const ScalarType & itkNotUsed(input)) const
{
return 1;
}
/** Print the object */
template<class ScalarType>
void
IdentityTransferFunction<ScalarType>
::PrintSelf( std::ostream& os, Indent indent ) const
{
os << indent << "IdentityTransferFunction(" << this << ")" << std::endl;
Superclass::PrintSelf( os, indent );
}
} // end namespace Statistics
} // end namespace itk
#endif
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