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

Function Documentation

checkPhiInRange()

template<typename T >

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

constexpr

Definition at line 33 of file normalizedPhi.h.

                                                                                   {
  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) );
    */
}

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

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

checkPhiInSymRange()

template<typename T >

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

constexpr

Definition at line 24 of file normalizedPhi.h.

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

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

normalizedPhi()

template<typename T >

constexpr T normalizedPhi ( T  phi )

constexpr

Definition at line 8 of file normalizedPhi.h.

                                 {
  return reco::reduceRange(phi);
}

References PVValHelper::phi, and reco::reduceRange().

Referenced by GsfElectronAlgo::ElectronData::computeCharge(), LinkByRecHit::computeDist(), IntegralOverPhiFunction::DoEval(), EleRelPointPair::dPhi(), MultiHitGeneratorFromChi2::hitSets(), PixelTripletLargeTipGenerator::hitTriplets(), PixelTripletHLTGenerator::hitTriplets(), muonisolation::CaloExtractor::MuonAtCaloPosition(), ThirdHitPredictionFromCircle::operator()(), PixelHitMatcher::BarrelMeasurementEstimator::operator()(), PixelHitMatcher::ForwardMeasurementEstimator::operator()(), EleRelPoint::phi(), TICLLayerTileT< T >::phiBin(), AreaSeededTrackingRegionsBuilder::Builder::regionImpl(), CandidatePointSeededTrackingRegionsProducer::regions(), relative_phi(), IntegralOverPhiFunction::SetParameterPhi0(), IntegrandThetaFunction::SetParameterPhi0(), and ConeAreaFunction::SetParameterPhi0().

proxim()

template<typename T >

constexpr T proxim ( T  b, T  a  )

constexpr

Definition at line 14 of file normalizedPhi.h.

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

References a, b, alignmentValidation::c1, and M_PI.

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