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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkSignedHardLimitTransferFunction.txx,v $
Language: C++
Date: $Date: 2005-08-02 19:17:37 $
Version: $Revision: 1.1 $
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 __itkSignedHardLimitTransferFunction_txx
#define __itkSignedHardLimitTransferFunction_txx
#include "itkSignedHardLimitTransferFunction.h"
namespace itk
{
namespace Statistics
{
/** Constructor */
template<class ScalarType>
SignedHardLimitTransferFunction<ScalarType>
::SignedHardLimitTransferFunction()
{
}
/** Destructor */
template<class ScalarType>
SignedHardLimitTransferFunction<ScalarType>
::~SignedHardLimitTransferFunction()
{
}
/** Evaluate */
template<class ScalarType>
ScalarType
SignedHardLimitTransferFunction<ScalarType>
::Evaluate(const ScalarType& input) const
{
return 2 * (input >= 0) - 1;
}
/** Evaluate derivative */
template<class ScalarType>
ScalarType
SignedHardLimitTransferFunction<ScalarType>
::EvaluateDerivative(const ScalarType& input) const
{
return 0;
}
/** Print the object */
template<class ScalarType>
void
SignedHardLimitTransferFunction< ScalarType>
::PrintSelf( std::ostream& os, Indent indent ) const
{
os << indent << "SignedHardLimitTransferFunction(" << this << ")" << std::endl;
Superclass::PrintSelf( os, indent );
}
} // end namespace Statistics
} // end namespace itk
#endif
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