LMFitter.h

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/* -*- mode: c++ -*- */

#ifndef _LMFitter_H_
#define _LMFitter_H_

#include <map>
#include "Fitter.h"

class MDL_HIPPOPLOT_API LMFitter : public Fitter
{

private:

  /* Using compiler generated copy constructor 
     LMFitter ( const LMFitter & )
  */

  std::vector < std::vector < double > > m_alpha;

  std::vector < double > m_beta;

  double m_chi_cutoff;

  double m_start_lambda;

  double m_lambda;

  double m_lambda_shrink_factor;

  double m_lambda_expand_factor;
  
  std::map< std::string, double * >  m_iter_params;
  
public:

  LMFitter ( const char * name );

  Fitter * clone () const;

  virtual bool needsDerivatives () const;

  virtual bool calcBestFit ();

  virtual bool calcStep ();

  virtual void calcAlpha ();

  virtual int calcCovariance ( std::vector< std::vector < double > >& cov );
        
  virtual bool solveSystem ();

  double iterParam( std::string name );

  int setIterParam( std::string name, double value );  

};

#endif // _LMFitter_H_

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