itkProductInputFunction.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkProductInputFunction.h,v $
  Language:  C++
  Date:      $Date: 2007/08/17 13:10:57 $
  Version:   $Revision: 1.2 $

  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_h
#define __itkProductInputFunction_h

#include "itkInputFunctionBase.h"
#include "vnl/vnl_matrix.h"
#include "vnl/vnl_vector.h"

namespace itk
{
namespace Statistics
{

template<class TMeasurementVector, class ScalarType>
class ProductInputFunction : public InputFunctionBase<TMeasurementVector, ScalarType>
{
public:

  typedef ProductInputFunction Self;
  typedef InputFunctionBase<TMeasurementVector, ScalarType> Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self> ConstPointer;

  itkTypeMacro(ProductInputFunction, FunctionBase);

  itkNewMacro(Self) ;

  virtual ScalarType Evaluate(const TMeasurementVector& input) const;

protected:

  ProductInputFunction();
  virtual ~ProductInputFunction();

  virtual void PrintSelf( std::ostream& os, Indent indent ) const;
};

} // end namespace Statistics
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
  #include "itkProductInputFunction.txx"
#endif

#endif

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