RecoTracker/TkDetLayers/src/TIDLayer.h - master - githubmirror/cmssw

RecoTracker/TkDetLayers/src/TIDLayer.h
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31 май 2019, 13:16
31 май 2019, 13:1614da925
#ifndef TkDetLayers_TIDLayer_h
#define TkDetLayers_TIDLayer_h

#include "TrackingTools/DetLayers/interface/RingedForwardLayer.h"
#include "TIDRing.h"
#include <array>
#include <atomic>

/** A concrete implementation for TID layer 
 *  built out of TIDRings
 */

#pragma GCC visibility push(hidden)
class TIDLayer final : public RingedForwardLayer {
public:
  TIDLayer(std::vector<const TIDRing*>& rings) __attribute__((cold));
  ~TIDLayer() override __attribute__((cold));

  //default implementations would not manage memory correctly
  TIDLayer(const TIDLayer&) = delete;
  TIDLayer& operator=(const TIDLayer&) = delete;

  // GeometricSearchDet interface

  const std::vector<const GeomDet*>& basicComponents() const override { return theBasicComps; }

  const std::vector<const GeometricSearchDet*>& components() const override __attribute__((cold));

  void groupedCompatibleDetsV(const TrajectoryStateOnSurface& tsos,
                              const Propagator& prop,
                              const MeasurementEstimator& est,
                              std::vector<DetGroup>& result) const override __attribute__((hot));

  // DetLayer interface
  SubDetector subDetector() const override { return GeomDetEnumerators::subDetGeom[GeomDetEnumerators::TID]; }

private:
  // private methods for the implementation of groupedCompatibleDets()
  BoundDisk* computeDisk(const std::vector<const TIDRing*>& rings) const __attribute__((cold));

  std::array<int, 3> ringIndicesByCrossingProximity(const TrajectoryStateOnSurface& startingState,
                                                    const Propagator& prop) const;

  //  bool isCompatible( const TrajectoryStateOnSurface& ms,
  //	     const MeasurementEstimator& est) const;

  int findClosest(const GlobalPoint[3]) const __attribute__((hot));

  int findNextIndex(const GlobalPoint[3], int) const __attribute__((hot));

  bool overlapInR(const TrajectoryStateOnSurface& tsos, int i, double ymax) const __attribute__((hot));

  float computeWindowSize(const GeomDet* det,
                          const TrajectoryStateOnSurface& tsos,
                          const MeasurementEstimator& est) const __attribute__((hot));

  void fillRingPars(int i) __attribute__((cold));

private:
  std::vector<GeomDet const*> theBasicComps;
  mutable std::atomic<std::vector<const GeometricSearchDet*>*> theComponents;
  const TIDRing* theComps[3];
  struct RingPar {
    float theRingR, thetaRingMin, thetaRingMax;
  };
  RingPar ringPars[3];
};

#pragma GCC visibility pop
#endif