#include <PtIsolationAlgo.h>

Public Types
typedef double	value_type

Public Member Functions
double	operator() (const T &, const C &) const

	PtIsolationAlgo ()

	PtIsolationAlgo (double dRMin, double dRMax, double dzMax, double d0Max, double ptMin)

Private Attributes
double	d0Max_

double	dRMax_

double	dRMin_

double	dzMax_

double	ptMin_

Detailed Description

template<typename T, typename C>
class PtIsolationAlgo< T, C >

Definition at line 10 of file PtIsolationAlgo.h.

Member Typedef Documentation

template<typename T, typename C>

typedef double PtIsolationAlgo< T, C >::value_type

Definition at line 12 of file PtIsolationAlgo.h.

Constructor & Destructor Documentation

template<typename T, typename C>

PtIsolationAlgo< T, C >::PtIsolationAlgo ( )

inline

Definition at line 13 of file PtIsolationAlgo.h.

13 { }

template<typename T, typename C>

PtIsolationAlgo< T, C >::PtIsolationAlgo	(	double	dRMin,
		double	dRMax,
		double	dzMax,
		double	d0Max,
		double	ptMin
	)

inline

Definition at line 14 of file PtIsolationAlgo.h.

                                         :
     dRMin_( dRMin ), dRMax_( dRMax ), dzMax_( dzMax ),
     d0Max_( d0Max ), ptMin_( ptMin ) { }

Member Function Documentation

template<typename T, typename C>

double PtIsolationAlgo< T, C >::operator()	(	const T &	cand,
		const C &	elements
	)		const

Definition at line 25 of file PtIsolationAlgo.h.

References PtIsolationAlgo< T, C >::d0Max_, deltaR(), PFRecoTauDiscriminationAgainstElectronDeadECAL_cfi::dR, PtIsolationAlgo< T, C >::dRMax_, PtIsolationAlgo< T, C >::dRMin_, allConversions_cfi::dz, PtIsolationAlgo< T, C >::dzMax_, HTMLExport::elem(), PtIsolationAlgo< T, C >::ptMin_, and mathSSE::sqrt().

Referenced by PtIsolationAlgo< reco::Candidate, reco::CandidateCollection >::PtIsolationAlgo().

                                                                                  {
   double ptSum = 0;
   double candVz = cand.vz();
   double candEta = cand.eta();
   double candPhi = cand.phi();
   for( typename C::const_iterator elem = elements.begin(); elem != elements.end(); ++ elem ) {
     double elemPt = elem->pt();
     if ( elemPt < ptMin_ ) continue;
     double elemVx = elem->vx();
     double elemVy = elem->vy();
     double elemD0 = sqrt( elemVx * elemVx + elemVy * elemVy );
     if ( elemD0 > d0Max_ ) continue;
     double dz = fabs( elem->vz() - candVz );
     if ( dz > dzMax_ ) continue;
     double dR = deltaR( elem->eta(), elem->phi(), candEta, candPhi );
     if ( (dR > dRMax_) || (dR < dRMin_) ) continue;
     ptSum += elemPt;
   }
   return ptSum;
 }