#include <JetToPeakDistance.h>

Public Member Functions
	JetToPeakDistance (double etaToPhiBandwidthRatio=1.0)

double	operator() (const fftjet::RecombinedJet< VectorLike > &jet, const fftjet::Peak &peak) const

Private Attributes
double	etaBw_

double	phiBw_

Detailed Description

Definition at line 9 of file JetToPeakDistance.h.

Constructor & Destructor Documentation

◆ JetToPeakDistance()

fftjetcms::JetToPeakDistance::JetToPeakDistance ( double etaToPhiBandwidthRatio = 1.0 )

explicit

Definition at line 7 of file JetToPeakDistance.cc.

       : etaBw_(sqrt(etaToPhiBandwidthRatio)), phiBw_(1.0 / etaBw_) {
     assert(etaToPhiBandwidthRatio > 0.0);
   }

References cms::cuda::assert(), and fftjetcommon_cfi::etaToPhiBandwidthRatio.

Member Function Documentation

◆ operator()()

double fftjetcms::JetToPeakDistance::operator()	(	const fftjet::RecombinedJet< VectorLike > &	jet,
		const fftjet::Peak &	peak
	)		const

Definition at line 12 of file JetToPeakDistance.cc.

                                                                                                               {
     if (peak.membershipFactor() <= 0.0)
       // This peak essentially does not exist...
       return 2.0e300;
  
     const double deta = (j1.vec().Eta() - peak.eta()) / etaBw_;
     double dphi = j1.vec().Phi() - peak.phi();
     if (dphi > M_PI)
       dphi -= (2.0 * M_PI);
     else if (dphi < -M_PI)
       dphi += (2.0 * M_PI);
     dphi /= phiBw_;
     return sqrt(deta * deta + dphi * dphi);
   }

References etaBw_, M_PI, phiBw_, and mathSSE::sqrt().

Member Data Documentation

◆ etaBw_

double fftjetcms::JetToPeakDistance::etaBw_

private

Definition at line 16 of file JetToPeakDistance.h.

Referenced by operator()().

◆ phiBw_

double fftjetcms::JetToPeakDistance::phiBw_