FourVector

Description

An extended version of ROOT 4-vectors.

#include <Objects.h>

Inheritance diagram for FourVector:

Collaboration diagram for FourVector:

Public Member Functions
virtual float	Rapidity () const
virtual float	AbsRap () const
virtual void	clear ()
virtual FourVector &	operator+= (const ROOT::Math::PtEtaPhiM4D< float > &)
virtual FourVector	operator+ (const ROOT::Math::PtEtaPhiM4D< float > &) const
	FourVector ()=default
	FourVector (const ROOT::Math::PtEtaPhiM4D< float > &)
virtual	~FourVector ()=default

Constructor & Destructor Documentation

FourVector() [1/2]

FourVector ( )

default

FourVector() [2/2]

FourVector

(

const ROOT::Math::PtEtaPhiM4D< float > &

p4

)

{
    SetPxPyPzE( p4.Px(),
                p4.Py(),
                p4.Pz(),
                p4.E ()  );
}

~FourVector()

virtual ~FourVector ( )

virtualdefault

Member Function Documentation

AbsRap()

float AbsRap ( ) const

virtual

return absolute rapidity

{ return std::abs(Rapidity()); }

clear()

void clear ( )

virtual

resets all members to the same values as in the constructor

Reimplemented in RecJet, GenJet, and Jet.

{
    SetCoordinates(0.,0.,0.,0.);
}

operator+()

FourVector operator+ ( const ROOT::Math::PtEtaPhiM4D< float > &  other ) const

virtual

{
    FourVector v(*this);
    v += other;
    return v;
}

operator+=()

FourVector & operator+= ( const ROOT::Math::PtEtaPhiM4D< float > &  other )

virtual

{
    SetPxPyPzE( Px() + other.Px(),
                Py() + other.Py(),
                Pz() + other.Pz(),
                E () + other.E ()  );
    return *this;
}

Rapidity()

float Rapidity ( ) const

virtual

return rapidity

{ return 0.5*log((E()+Pz())/(E()-Pz())); }

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The documentation for this struct was generated from the following files:

• /builds/Proto/Darwin/interface/Objects.h
• /builds/Proto/Darwin/src/Objects.cc