itkFunctionBase.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkFunctionBase.h,v $
  Language:  C++
  Date:      $Date: 2002/02/27 16:20:46 $
  Version:   $Revision: 1.8 $

  Copyright (c) 2002 Insight 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 _itkFunctionBase_h
#define _itkFunctionBase_h

#include "itkObject.h"
#include "itkObjectFactory.h"

namespace itk
{

template < class TInput, class TOutput >
class ITK_EXPORT FunctionBase : public Object
{
public:
  typedef FunctionBase Self;
  typedef Object Superclass;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self> ConstPointer;
  
  itkTypeMacro(FunctionBase, Object);

  typedef TInput InputType;

  typedef TOutput OutputType;

  virtual OutputType Evaluate( const InputType& input ) const = 0;

protected:
  FunctionBase(){};
  ~FunctionBase(){};

private:
  FunctionBase(const Self& ); //purposely not implemented
  void operator=(const Self& ); //purposely not implemented

};

} // namespace itk

#endif

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