itkRegularStepGradientDescentOptimizer.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkRegularStepGradientDescentOptimizer.h,v $
  Language:  C++
  Date:      $Date: 2007/03/22 14:29:14 $
  Version:   $Revision: 1.20 $

  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 __itkRegularStepGradientDescentOptimizer_h
#define __itkRegularStepGradientDescentOptimizer_h

#include "itkRegularStepGradientDescentBaseOptimizer.h"

namespace itk
{
  
class ITK_EXPORT RegularStepGradientDescentOptimizer : 
    public RegularStepGradientDescentBaseOptimizer
{
public:
  typedef RegularStepGradientDescentOptimizer         Self;
  typedef RegularStepGradientDescentBaseOptimizer     Superclass;
  typedef SmartPointer<Self>                          Pointer;
  typedef SmartPointer<const Self>                    ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro( RegularStepGradientDescentOptimizer, 
                RegularStepGradientDescentBaseOptimizer );

  typedef Superclass::CostFunctionType        CostFunctionType;
  typedef CostFunctionType::Pointer           CostFunctionPointer;


protected:
  RegularStepGradientDescentOptimizer() {};
  virtual ~RegularStepGradientDescentOptimizer() {};

  virtual void StepAlongGradient( 
    double factor, 
    const DerivativeType & transformedGradient );

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

};

} // end namespace itk

#endif

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