File indexing completed on 2024-04-06 12:04:42
0001 #ifndef DataFormats_Math_RectangularEtaPhiRegion_h
0002 #define DataFormats_Math_RectangularEtaPhiRegion_h
0003
0004 #include "DataFormats/Math/interface/normalizedPhi.h"
0005
0006 class RectangularEtaPhiRegion {
0007 public:
0008 RectangularEtaPhiRegion(float etaLow, float etaHigh, float phiLow, float phiHigh)
0009 : ceta(0.5f * (etaHigh + etaLow)), deta(0.5f * std::abs(etaHigh - etaLow)) {
0010 phiHigh = proxim(phiHigh, phiLow);
0011 constexpr float c1 = 2. * M_PI;
0012 if (phiHigh < phiLow)
0013 phiHigh += c1;
0014 dphi = 0.5f * (phiHigh - phiLow);
0015 cphi = phiLow + dphi;
0016 }
0017
0018 bool inRegion(float eta, float phi) const {
0019 return std::abs(eta - ceta) < deta && std::abs(proxim(phi, cphi) - cphi) < dphi;
0020 }
0021
0022 auto etaLow() const { return ceta - deta; }
0023 auto etaHigh() const { return ceta + deta; }
0024 auto phiLow() const { return cphi - dphi; }
0025 auto phiHigh() const { return cphi + dphi; }
0026
0027 private:
0028 float ceta;
0029 float deta;
0030 float cphi;
0031 float dphi;
0032 };
0033
0034 #endif
