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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkProductInputFunction.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 __itkProductInputFunction_txx
#define __itkProductInputFunction_txx
#include "itkProductInputFunction.h"
namespace itk
{
namespace Statistics
{
/** Constructor */
template<class TMeasurementVector, class ScalarType>
ProductInputFunction<TMeasurementVector,ScalarType>
::ProductInputFunction()
{
}
/** Destructor */
template<class TMeasurementVector, class ScalarType>
ProductInputFunction <TMeasurementVector,ScalarType>
::~ProductInputFunction()
{
}
/** Evaluate */
template<class TMeasurementVector, class ScalarType>
ScalarType
ProductInputFunction <TMeasurementVector,ScalarType>
::Evaluate(const TMeasurementVector& input) const
{
vnl_vector<ScalarType> temp(input);
ScalarType product = temp[0];
for (unsigned int i = 1; i < input.Size(); i++)
{
product *= temp[i];
}
return product;
}
/** Print the object */
template<class TMeasurementVector, class ScalarType>
void
ProductInputFunction <TMeasurementVector,ScalarType>
::PrintSelf( std::ostream& os, Indent indent ) const
{
os << indent << "ProductInputFunction(" << this << ")" << std::endl;
Superclass::PrintSelf( os, indent );
}
} // end namespace Statistics
} // end namespace itk
#endif
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