normalizedPhi.h File Reference

#include "DataFormats/Math/interface/deltaPhi.h"
#include <algorithm>
#include <iostream>

Go to the source code of this file.

Functions
template<typename T >
bool	checkPhiInRange (T phi, T phi1, T phi2, float maxDphi=float(M_PI))
template<typename T >
bool	checkPhiInSymRange (T phi, T phi1, T phi2, float maxDphi=float(M_PI))
template<typename T >
T	normalizedPhi (T phi)
template<typename T >
T	proxim (T b, T a)

Function Documentation

template<typename T >

bool checkPhiInRange ( T  phi, T  phi1, T  phi2, float  maxDphi = float(M_PI)  )

inline

Definition at line 34 of file normalizedPhi.h.

References funct::abs(), alignmentValidation::c1, constexpr, f, M_PI, min(), and proxim().

Referenced by checkPhiInSymRange(), PixelTripletLargeTipGenerator::hitTriplets(), and PixelTripletHLTGenerator::hitTriplets().

                                                                       {
    phi2 = proxim(phi2,phi1);
    constexpr float c1 = 2.*M_PI;
    if (phi2<phi1) phi2+=c1;
    auto dphi = std::min(maxDphi,0.5f*(phi2-phi1));
    auto phiA = phi1+dphi;
    phi = proxim(phi,phiA);
    return std::abs(phiA-phi)<dphi;

    /* old "alternative algo"
    constexpr T c1 = 2.*M_PI;
    phi1 = normalizedPhi(phi1);
    phi2 = proxim(phi2,phi1);
    if (phi2<phi1) phi2+=c1;
    // phi & phi1 are in [-pi,pi] range...
    return ( (phi1 <= phi) & (phi <= phi2) )
//           || ( (phi1 <= phi-c1) & (phi-c1 <= phi2) )
           || ( (phi1 <= phi+c1) & (phi+c1 <= phi2) );
    */
}

template<typename T >

bool checkPhiInSymRange ( T  phi, T  phi1, T  phi2, float  maxDphi = float(M_PI)  )

inline

Definition at line 25 of file normalizedPhi.h.

References checkPhiInRange(), and std::swap().

                                                                          {
  // symmetrize
  if (phi2<phi1) std::swap(phi1,phi2);
  return checkPhiInRange(phi,phi1,phi2,maxDphi);
}

template<typename T >

T normalizedPhi ( T  phi )

inline

Definition at line 9 of file normalizedPhi.h.

References reco::reduceRange().

Referenced by LinkByRecHit::computeDist(), IntegralOverPhiFunction::DoEval(), CSCComparatorDigiFitter::fit(), MultiHitGeneratorFromChi2::hitSets(), PixelTripletLargeTipGenerator::hitTriplets(), PixelTripletHLTGenerator::hitTriplets(), muonisolation::CaloExtractor::MuonAtCaloPosition(), ThirdHitPredictionFromCircle::operator()(), AreaSeededTrackingRegionsBuilder::Builder::regionImpl(), CandidatePointSeededTrackingRegionsProducer::regions(), IntegralOverPhiFunction::SetParameterPhi0(), ConeAreaFunction::SetParameterPhi0(), and IntegrandThetaFunction::SetParameterPhi0().

{ return reco::reduceRange(phi);}

template<typename T >

T proxim ( T  b, T  a  )

inline

Definition at line 14 of file normalizedPhi.h.

References alignmentValidation::c1, constexpr, and M_PI.

Referenced by checkPhiInRange(), EcalEtaPhiRegion::EcalEtaPhiRegion(), MultiHitGeneratorFromChi2::hitSets(), PixelTripletLargeTipGenerator::hitTriplets(), PixelTripletHLTGenerator::hitTriplets(), EcalEtaPhiRegion::inRegion(), ThirdHitPredictionFromCircle::operator()(), and PhiInterval::PhiInterval().

                   {
        constexpr T c1 = 2.*M_PI;
        constexpr T c2 = 1/c1;
        return b+c1*std::round(c2*(a-b));
}