BaseConstraint.h

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#ifndef __BASECONTRAINT_H
#define __BASECONTRAINT_H

class BaseFitObject;

//  Class BaseConstraint:

class BaseConstraint {
  public:
    BaseConstraint() {};
    virtual ~BaseConstraint() {};
    
    virtual double getValue() const = 0;
    
    virtual void getDerivatives (int idim,                  
                                 double der[]               
                                ) const = 0;
    virtual void add1stDerivativesToMatrix (int idim,       
                                            double *M       
                                           ) const = 0;
    virtual void add2ndDerivativesToMatrix (int idim,       
                                            double *M,      
                                            double lambda   
                                            ) const= 0;
    
    virtual int  getGlobalNum() const = 0;
    virtual void setGlobalNum (int iglobal                  
                              ) = 0;
};


#endif // __BASECONTRAINT_H

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