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