DKinFitConstraint_Mass.h

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#ifndef _DKinFitConstraints_Mass_
#define _DKinFitConstraints_Mass_

#include <set>

#include "DKinFitParticle.h"
#include "DKinFitConstraint.h"

using namespace std;

class DKinFitter;
class DKinFitUtils;

class DKinFitConstraint_Mass : public DKinFitConstraint
{
   friend class DKinFitter;
   friend class DKinFitUtils;

   public:

      DKinFitConstraint_Mass(void);
      ~DKinFitConstraint_Mass(void){}

      shared_ptr<DKinFitParticle> Get_DecayingParticle(void) const{return dDecayingParticle;}
      set<shared_ptr<DKinFitParticle>> Get_AllParticles(void) const{return {dDecayingParticle};}

      char Get_FIndex(void) const{return dFIndex;}
      void Print_ConstraintInfo(void) const;

      void Reset(void);
      void Release(void){dDecayingParticle = nullptr;}

   private:

      void Set_FIndex(char locFIndex){dFIndex = locFIndex;}
      void Set_DecayingParticle(const shared_ptr<DKinFitParticle>& locDecayingParticle){dDecayingParticle = locDecayingParticle;}

      shared_ptr<DKinFitParticle> dDecayingParticle;
      char dFIndex; //starting row index of the equation(s) corresponding to these constraints in the dF matrix term
};

inline DKinFitConstraint_Mass::DKinFitConstraint_Mass(void)
{
   Reset();
}

inline void DKinFitConstraint_Mass::Reset(void)
{
   dFIndex = 0;
   dDecayingParticle = nullptr;
}

inline void DKinFitConstraint_Mass::Print_ConstraintInfo(void) const
{
   cout << "DKinFitConstraint_Mass: Decaying particle PID, pointer: " << endl;
   cout << dDecayingParticle->Get_PID() << ", " << dDecayingParticle << endl;
}

#endif // _DKinFitConstraint_Mass_