SoftGaussMassConstraint.h

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#ifndef __SOFTGAUSSMASSCONSTRAINT_H
#define __SOFTGAUSSMASSCONSTRAINT_H

#include "SoftGaussParticleConstraint.h"

class ParticleFitObject;

//  Class SoftGaussMassConstraint:

class SoftGaussMassConstraint : public SoftGaussParticleConstraint {
  public:
  
    SoftGaussMassConstraint (double sigma_,    
                             double mass_ = 0.   
                   );
    virtual ~SoftGaussMassConstraint();
    
    virtual double getValue() const;
    
    virtual void getDerivatives(int idim,      
                                double der[]   
                               ) const;
    
    virtual double getMass (int flag = 1       
                           );
    
    virtual void setMass (double mass_           
                         );
    
  
  protected:
    double mass;   

  
    virtual bool secondDerivatives (int i,                        
                                    int j,                        
                                    double *derivatives           
                                   ) const;
    virtual bool firstDerivatives (int i,                        
                                   double *derivatives           
                                  ) const;
};

#endif // __SOFTGAUSSMASSCONSTRAINT_H