/data/refman/pasoursint/CMSSW_4_2_9_HLT1_bphpatch4/src/RecoVertex/KinematicFit/interface/CombinedKinematicConstraint.h

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#ifndef CombinedKinematicConstraint_H
#define CombinedKinematicConstraint_H

#include "RecoVertex/KinematicFitPrimitives/interface/MultiTrackKinematicConstraint.h"
#include "RecoVertex/KinematicFitPrimitives/interface/KinematicState.h"
#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"
#include "RecoVertex/VertexPrimitives/interface/VertexException.h"

class CombinedKinematicConstraint : public MultiTrackKinematicConstraint{
        
public:
        CombinedKinematicConstraint(std::vector<MultiTrackKinematicConstraint* > constraintVector):constraints(constraintVector){
                if(constraints.size()<1) throw VertexException("CombinedKinematicConstraint::<1 constraints passed.");
        }
        
        virtual AlgebraicVector  value(const std::vector<KinematicState> states, const GlobalPoint& point) const;
        
        virtual AlgebraicMatrix parametersDerivative(const std::vector<KinematicState> states, const GlobalPoint& point) const;
        
        virtual AlgebraicMatrix positionDerivative(const std::vector<KinematicState> states, const GlobalPoint& point) const;
        
        virtual int numberOfEquations() const;
        
        virtual CombinedKinematicConstraint * clone()const
        {
                return new CombinedKinematicConstraint(*this);
        }
        
private:
        std::vector<MultiTrackKinematicConstraint* > constraints;
        
};
#endif