ConstrainedTreeBuilder.h

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#ifndef ConstrainedTreeBuilder_H
#define ConstrainedTreeBuilder_H
 
#include "RecoVertex/KinematicFitPrimitives/interface/RefCountedKinematicTree.h"
#include "RecoVertex/KinematicFitPrimitives/interface/VirtualKinematicParticleFactory.h"
#include "RecoVertex/KinematicFitPrimitives/interface/KinematicVertexFactory.h"
 
class ConstrainedTreeBuilder {
public:
  ConstrainedTreeBuilder();
 
  ~ConstrainedTreeBuilder();
 
  RefCountedKinematicTree buildTree(const std::vector<RefCountedKinematicParticle>& initialParticles,
                                    const std::vector<KinematicState>& finalStates,
                                    const RefCountedKinematicVertex vtx,
                                    const AlgebraicMatrix& fCov) const;
 
private:
  RefCountedKinematicTree buildTree(const RefCountedKinematicParticle virtualParticle,
                                    const RefCountedKinematicVertex vtx,
                                    const std::vector<RefCountedKinematicParticle>& particles) const;
 
  AlgebraicMatrix covarianceMatrix(const std::vector<RefCountedKinematicParticle>& rPart,
                                   const AlgebraicVector7& newPar,
                                   const AlgebraicMatrix& fitCov) const;
 
  VirtualKinematicParticleFactory* pFactory;
  KinematicVertexFactory* vFactory;
};
#endif