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

template<typename T >

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

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 >

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

Definition at line 25 of file normalizedPhi.h.

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

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

template<typename T >

constexpr T normalizedPhi

(

T

phi

)

Definition at line 9 of file normalizedPhi.h.

References constexpr, and reco::reduceRange().

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

{ return reco::reduceRange(phi);}

template<typename T >

constexpr T proxim	(	T	b,
		T	a
	)

Definition at line 14 of file normalizedPhi.h.

References alignmentValidation::c1, constexpr, and M_PI.

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

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