BaseFitObject.h

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#ifndef __BASEFITOBJECT_H
#define __BASEFITOBJECT_H

#include <iostream>


// Class BaseFitObject

class BaseFitObject {
  public:
    virtual ~BaseFitObject() {};
    
    virtual bool setParam (int ilocal,         
                           double par_,        
                           bool measured_,     
                           bool fixed_ = false 
                          ) = 0;  
    virtual bool setParam (int ilocal,    
                           double par_    
                          ) = 0;  
    virtual bool setMParam (int ilocal,    
                            double mpar_   
                           ) = 0;  
    virtual bool setError (int ilocal,    
                           double err_    
                           ) = 0;
    virtual bool setCov (int ilocal,    
                         int jlocal,    
                         double cov_    
                        ) = 0;
    virtual bool setGlobalParNum (int ilocal,  
                                  int iglobal  
                                  ) = 0; 
    
    virtual bool fixParam (int ilocal,    
                           bool fix=true  
                          ) = 0;
    virtual bool releaseParam (int ilocal    
                              ) 
    { return fixParam (ilocal, false); } 
    
    virtual bool isParamFixed (int ilocal     
                              ) const = 0; 
    
    virtual double getParam (int ilocal     
                            ) const = 0;
    virtual const char *getParamName (int ilocal     
                            ) const { return "???";}
    virtual const char *getName () const { return "???";}
    virtual void setName (const char * name_) {}
    virtual double getMParam (int ilocal     
                             ) const = 0;
    virtual double getError (int ilocal     
                            ) const = 0;
    virtual double getCov (int ilocal,    
                           int jlocal     
                          ) const = 0;
    virtual bool isParamMeasured (int ilocal    
                                   ) const = 0;
    virtual int getGlobalParNum(int ilocal     
                                ) const = 0;
    virtual int getNPar() const = 0;
    virtual int getNMeasured() const;
    virtual int getNUnmeasrd() const;
    virtual int getNFree() const;
    virtual int getNFixed() const;
    
    virtual void addToGlobCov(double *glcov, int idim) const = 0; 
            
    virtual double getChi2() const = 0;
    virtual double getDChi2DParam(int ilocal   
                                   ) const = 0;
    virtual double getD2Chi2DParam2(int ilocal,   
                                    int jlocal    
                                   ) const = 0;
    
    virtual void addToGlobalChi2DerMatrix (int idim,    
                                           double *M    
                                          ) const = 0;
    virtual void addToGlobalDerMatrix (int idim,    
                                       double c,    
                                       double *M    
                                      ) const = 0;
    virtual std::ostream& printParams (std::ostream& os  
                                      ) const;
    
    virtual std::ostream&  print (std::ostream& os       
                                 ) const = 0;
};

inline std::ostream& operator<< (std::ostream& os,         
                                 const BaseFitObject& bfo  
                                ) {
  return bfo.print(os);
}

#endif // __BASEFITOBJECT_H

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