/afs/hep.man.ac.uk/u/markowen/ATLAS/SFrameProof/2011EPS/manTree/manTree/MParticle.h

#ifndef _MANTREE_MPARTICLE_H__
#define _MANTREE_MPARTICLE_H__

#include <iosfwd>
#include <string>

#include "TLorentzVector.h"

#ifdef _ATHENA_CLASSES__
#include "EventKernel/I4Momentum.h"
#include "FourMom/P4IPtCotThPhiMBase.h"
#endif

namespace manchester {

class MParticle : public TLorentzVector {
public:
    MParticle();

    MParticle(const TLorentzVector& p);

    MParticle(const MParticle& p);

    MParticle(Double_t px, Double_t py, Double_t pz, Double_t e);

#ifdef _ATHENA_CLASSES__
    MParticle(const I4Momentum& vec);

    MParticle(const P4IPtCotThPhiMBase& vec);
#endif

    virtual ~MParticle();

    Int_t Charge() const;

    void SetCharge(Int_t c);

    virtual std::string Type() const;

    virtual std::ostream& PrintContent(std::ostream& o) const;

    bool operator<(const MParticle& p) const;

    bool operator>(const MParticle& p) const;

    MParticle& operator+=(const MParticle& p);

    MParticle& operator=(const MParticle& p);

protected:
    virtual void Reset();

private:
    Int_t m_charge;

    ClassDef(MParticle, 3);

}; // class MParticle

} // namespace manchester

std::ostream& operator<< (std::ostream& os, const manchester::MParticle& o);

const manchester::MParticle operator+ (const manchester::MParticle& lhs,
        const manchester::MParticle& rhs);

#endif

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