SiIntersect.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/

//   SiIntersect.h
// (c) ATLAS Detector software
 
#ifndef INDETREADOUTGEOMETRY_SIINTERSECT_H
#define INDETREADOUTGEOMETRY_SIINTERSECT_H
 
namespace InDetDD {

 
  class SiIntersect {
 
    public:
 
      enum IntersectState {OUT = 0, BOUNDARY = 1, IN = 2};
 
      SiIntersect(IntersectState state = OUT);
 
      bool in() const; // Definitely in
      bool out() const; // Definitely out
      bool nearBoundary() const; // Near boundary within tolerences
      bool mayIntersect() const; // in() || nearBoundary()
      operator bool() const; // Equivalent to mayIntersect().
 
      void setIn();
      void setOut();
      void setNearBoundary();
 
    private:
      IntersectState m_state;
 
  };
 
inline SiIntersect::SiIntersect(IntersectState state) 
  : m_state(state)
{}
 
inline bool SiIntersect::in() const 
{
  return (m_state == IN);
}
 
inline bool SiIntersect::out() const 
{
  return (m_state == OUT);
}
 
inline bool SiIntersect::nearBoundary() const 
{
  return (m_state == BOUNDARY);
}
 
 
inline bool SiIntersect::mayIntersect() const 
{
  return (m_state == BOUNDARY || m_state == IN);
}
 
inline SiIntersect::operator bool() const 
{
  return mayIntersect();
}
 
inline void SiIntersect::setIn()
{
  m_state = IN;
}
 
inline void SiIntersect::setOut()
{
  m_state = OUT;
}
 
inline void SiIntersect::setNearBoundary()
{
  m_state = BOUNDARY;
}
 
} // namespace InDetDD
 
#endif  //INDETREADOUTGEOMETRY_SIINTERSECT_H