ForwardElectronToolsTestAlg.cxx File Reference

#include "ElectronPhotonSelectorTools/ForwardElectronToolsTestAlg.h"
#include "AsgDataHandles/ReadHandle.h"
#include "xAODTruth/TruthParticleContainer.h"
#include "xAODCaloEvent/CaloCluster.h"
#include "CaloGeoHelpers/CaloSampling.h"
#include <cmath>

Include dependency graph for ForwardElectronToolsTestAlg.cxx:

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Functions
static double	deltaR (double eta1, double phi1, double eta2, double phi2)

Function Documentation

deltaR()

double deltaR ( double eta1, double phi1, double eta2, double phi2 )

static

Definition at line 30 of file ForwardElectronToolsTestAlg.cxx.

                                                                         {
    double deta = eta1 - eta2;
    double dphi = phi1 - phi2;
    while (dphi >  M_PI) dphi -= 2*M_PI;
    while (dphi < -M_PI) dphi += 2*M_PI;
    return std::sqrt(deta*deta + dphi*dphi);
}