/usr/include/InsightToolkit/Numerics/itkConjugateGradientOptimizer.h is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkConjugateGradientOptimizer.h
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 __itkConjugateGradientOptimizer_h
#define __itkConjugateGradientOptimizer_h
#include "itkSingleValuedNonLinearVnlOptimizer.h"
#include "vnl/algo/vnl_conjugate_gradient.h"
namespace itk
{
/** \class ConjugateGradientOptimizer
* \brief Wrap of the vnl_conjugate_gradient
*
* \ingroup Numerics Optimizers
*/
class ITK_EXPORT ConjugateGradientOptimizer :
public SingleValuedNonLinearVnlOptimizer
{
public:
/** Standard class typedefs. */
typedef ConjugateGradientOptimizer Self;
typedef SingleValuedNonLinearVnlOptimizer Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro( ConjugateGradientOptimizer, SingleValuedNonLinearOptimizer );
/** InternalParameters typedef. */
typedef vnl_vector<double> InternalParametersType;
/** Internal Optimizer Type */
typedef vnl_conjugate_gradient InternalOptimizerType;
/** Method for getting access to the internal optimizer */
vnl_conjugate_gradient * GetOptimizer(void);
/** Start optimization with an initial value. */
void StartOptimization( void );
/** Plug in a Cost Function into the optimizer */
virtual void SetCostFunction( SingleValuedCostFunction * costFunction );
/** Return the number of iterations performed so far */
unsigned long GetNumberOfIterations(void) const;
unsigned long GetCurrentIteration(void) const;
/** Return Current Value */
MeasureType GetValue() const;
protected:
ConjugateGradientOptimizer();
virtual ~ConjugateGradientOptimizer();
typedef Superclass::CostFunctionAdaptorType CostFunctionAdaptorType;
private:
ConjugateGradientOptimizer(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
/** The vnl optimization method for conjugate gradient. */
bool m_OptimizerInitialized;
InternalOptimizerType * m_VnlOptimizer;
};
} // end namespace itk
#endif
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