PFMatchDistance.cxx

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
/*
 * PFMatchDistance.cxx
 *
 *  Created on: 28.03.2014
 *      Author: tlodd
 */
 
#include "eflowRec/PFMatchDistance.h"
#include "eflowRec/PFMatchPositions.h"
 
namespace PFMatch {
 
//double EtaPhiSqDistanceCalculator::distanceBetween(IPosition* position1,
//                                                   IPosition* position2) {
//  EtaPhi* etaphi1 = convertPosition<EtaPhi>(position1);
//  EtaPhi* etaphi2 = convertPosition<EtaPhi>(position2);
//
//  return etaphi1->dRSq(*etaphi2);
//}
 
double EtaPhiSqDistanceCalculator::distanceBetween(const EtaPhi& position1, const EtaPhi& position2) const {
  return position1.dRSq(position2);
}
 
double EtaPhiSqSignificanceCalculator::distanceBetween(const EtaPhi& position1, const EtaPhiWithVariance& position2) const{
   double dEta = position1.getEta() - position2.getEta();
   double dPhi = position1.getPhi().getAbsDifference(position2.getPhi());
   return dEta*dEta/position2.m_etaVariance + dPhi*dPhi/position2.m_phiVariance;
}
//
//double EtaPhiSqSignificanceCalculator::distanceBetween(IPosition* position1,
//                                                       IPosition* position2) {
//  EtaPhi* etaphi1 = convertPosition<EtaPhi>(position1);
//  EtaPhiWithVariance* etaphi2 = convertPosition<EtaPhiWithVariance>(position2);
//
//  double dEta = etaphi1->getEta() - etaphi2->getEta();
//  double dPhi = etaphi1->getPhi().getAbsDifference(etaphi2->getPhi());
//  return dEta*dEta/etaphi2->_etaVariance + dPhi*dPhi/etaphi2->_phiVariance;
//}
 
}