HitEtaCheck.h

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#ifndef HitEtaCheck_H
#define HitEtaCheck_H

#include "RecoTracker/TkTrackingRegions/interface/HitRZCompatibility.h"
#include "RecoTracker/TkTrackingRegions/interface/HitRZConstraint.h"
#include "RecoTracker/TkTrackingRegions/interface/HitRCheck.h"
#include "RecoTracker/TkTrackingRegions/interface/HitZCheck.h"

class HitEtaCheck final : public HitRZCompatibility {
public:
  static constexpr Algo me = etaAlgo;

  HitEtaCheck(bool inbarrel, const HitRZConstraint::Point& point, float cotLeftLine, float cotRightLine)
      : HitRZCompatibility(me), isBarrel(inbarrel), theRZ(HitRZConstraint(point, cotLeftLine, point, cotRightLine)) {}

  bool operator()(const float& r, const float& z) const override {
    const auto& lineLeft = theRZ.lineLeft();
    const auto& lineRight = theRZ.lineRight();
    float cotHit = (lineLeft.origin().z() - z) / (lineLeft.origin().r() - r);
    return lineRight.cotLine() < cotHit && cotHit < lineLeft.cotLine();
  }

  Range range(const float& rORz) const override {
    return (isBarrel) ? HitZCheck(theRZ).range(rORz) : HitRCheck(theRZ).range(rORz);
  }
  HitEtaCheck* clone() const override { return new HitEtaCheck(*this); }

private:
  bool isBarrel;
  HitRZConstraint theRZ;
};
#endif