BaseConstraint.h

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#ifndef __BASECONSTRAINT_H
#define __BASECONSTRAINT_H

#include <iostream>

class BaseFitObject;

//  Class BaseConstraint:

class BaseConstraint {
  public:
    BaseConstraint();
    
    BaseConstraint (const BaseConstraint& rhs              
                   );
    BaseConstraint& operator= (const BaseConstraint& rhs   
                              );
    
    virtual ~BaseConstraint();
    
    virtual double getValue() const = 0;
    
    virtual double getError() const;
    
    virtual const char*getName() const;
    virtual void setName (const char * name_);
    
    virtual void getDerivatives (int idim,                  
                                 double der[]               
                                ) const = 0;    
    
    virtual std::ostream&  print (std::ostream& os       
                                 ) const;
                                 
    protected:
      char *name;  
};

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


#endif // __BASECONSTRAINT_H