ConeBounds.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/

// ConeBounds.h, (c) ATLAS Detector software
 
#ifndef TRKSURFACES_ConeBounds_H
#define TRKSURFACES_ConeBounds_H
 
#include "TrkEventPrimitives/ParamDefs.h"
#include "TrkSurfaces/SurfaceBounds.h"
 
#include <cfloat>
 
#include "GeoPrimitives/GeoPrimitives.h"
 
#ifdef TRKDETDESCR_USEFLOATPRECISON
typedef float TDD_real_t;
const float MAXBOUNDVALUE = FLT_MAX;
#else
typedef double TDD_real_t;
const double MAXBOUNDVALUE = DBL_MAX;
#endif
 
class MsgStream;
 
namespace Trk {

 
class ConeBounds final: public SurfaceBounds
{
public:
  enum BoundValues
  {
    bv_alpha = 0,
    bv_minZ = 1,
    bv_maxZ = 2,
    bv_averagePhi = 3,
    bv_halfPhiSector = 4,
    bv_length = 5
  };

  ConeBounds();

  ConeBounds(double alpha, bool symm, double halfphi = M_PI, double avphi = 0.);

  ConeBounds(double alpha, double zmin, double zmax, double halfphi = M_PI, double avphi = 0.);

  ConeBounds(const ConeBounds& cylbo) = default;

  ConeBounds& operator=(const ConeBounds& cylbo) = default;

  ConeBounds(ConeBounds&& annbo) = default;
  ConeBounds& operator=(ConeBounds&& sbo) = default;
 
 
  virtual ~ConeBounds() = default;

  virtual bool operator==(const SurfaceBounds& sbo) const override;
 
  // Needed to prevent ambiguities with c++20.
  bool operator==(const ConeBounds& bo) const;

  virtual ConeBounds* clone() const override;

  virtual BoundsType type() const override { return SurfaceBounds::Cone; }

  virtual bool inside(const Amg::Vector2D& locpo, double tol1, double tol2) const override final;
  virtual bool inside(const Amg::Vector2D& locpo, const BoundaryCheck& bchk = true) const override final;

  virtual bool inside(const Amg::Vector3D& gp, double tol1 = 0., double tol2 = 0.) const final;
  virtual bool inside(const Amg::Vector3D& locpo, const BoundaryCheck& bchk) const final;

  virtual bool insideLoc1(const Amg::Vector2D& locpo, double tol1 = 0.) const override final;

  virtual bool insideLoc2(const Amg::Vector2D& locpo, double tol2 = 0.) const override final;

  virtual double minDistance(const Amg::Vector2D& pos) const override;

  virtual double r() const override;

  double r(double z) const;

  double tanAlpha() const;
  double sinAlpha() const;
  double cosAlpha() const;
  double alpha() const;

  double minZ() const;

  double maxZ() const;

 
  double averagePhi() const;
  double halfPhiSector() const;

  virtual MsgStream& dump(MsgStream& sl) const override;
  virtual std::ostream& dump(std::ostream& sl) const override;
 
private:
  std::vector<TDD_real_t> m_boundValues;
  TDD_real_t m_tanAlpha;
  TDD_real_t m_sinAlpha;
  TDD_real_t m_cosAlpha;

  virtual void initCache() override final;

  inline double minPhi() const
  {
    return m_boundValues[ConeBounds::bv_averagePhi] - m_boundValues[ConeBounds::bv_halfPhiSector];
  }
  inline double maxPhi() const
  {
    return m_boundValues[ConeBounds::bv_averagePhi] + m_boundValues[ConeBounds::bv_halfPhiSector];
  }
};
 
}
 
#include "TrkSurfaces/ConeBounds.icc"
#endif // TRKSURFACES_CONEBOUNDS_H