MuonR4::ParticleSorter Struct Reference

Auxiliary class to sort the particles by momentum First sorting is by pt, then eta and finally by phi. More...

#include <TrackingHelpers.h>

Collaboration diagram for MuonR4::ParticleSorter:

Public Member Functions
bool	operator() (const xAOD::IParticle *a, const xAOD::IParticle *b) const

Detailed Description

Auxiliary class to sort the particles by momentum First sorting is by pt, then eta and finally by phi.

Definition at line 65 of file TrackingHelpers.h.

Member Function Documentation

operator()()

bool MuonR4::ParticleSorter::operator()	(	const xAOD::IParticle *	a,
		const xAOD::IParticle *	b ) const

Definition at line 119 of file TrackingHelpers.cxx.

                                                                  {
 
        if (const float dPt = a->pt() - b->pt(); 
            std::abs(dPt) > std::numeric_limits<float>::epsilon()) {
            return dPt < 0.;
        }
        if (const float dEta = a->eta() - b->eta();
            std::abs(dEta) > std::numeric_limits<float>::epsilon()) {
            return dEta < 0.;
        }
        const float dPhi = xAOD::P4Helpers::deltaPhi(a, b);
        return dPhi < 0.;
    }

---

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

• TrackingHelpers.h
• TrackingHelpers.cxx