MinuitMigrad.h

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

// for have minuit
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#ifndef _MinuitMigrad_H_
#define _MinuitMigrad_H_

#include "Fitter.h"

#ifdef HAVE_MINUIT
class MnMigrad;
#endif

#ifdef HAVE_MINUIT2
namespace ROOT {
  namespace Minuit2 {
    class MnMigrad;
  }
}
#endif

namespace hippodraw {

class MDL_HIPPOPLOT_API MinuitMigrad : public Fitter
{

private:

  MinuitMigrad ( const MinuitMigrad & );

  struct limit {
    double lower; 
    double upper; 
    bool set; 
  };

  std::vector < limit > m_limits;

  void initLimits ();

#ifdef HAVE_MINUIT
  MnMigrad * m_minimizer;
#endif
#ifdef HAVE_MINUIT2
  ROOT::Minuit2::MnMigrad * m_minimizer;
#endif

  void initialize ();

  void checkIndex ( unsigned int index );

public:

  MinuitMigrad ( const char * name );

  virtual Fitter * clone () const;

  virtual void setLimits ( unsigned int i, double lower, double upper );

  virtual void setStepSize ( unsigned int i, double size );

  virtual bool calcBestFit ();

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

};

} // namespace hippodraw

#endif // _MinuitMigrad_H_