ScatteringAngles.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef SCATTERINGANGLEONTRACK_H
#define SCATTERINGANGLEONTRACK_H
 
#include <iostream>
 
class MsgStream;
 
namespace Trk {
 
class ScatteringAngles final
{
 
public:
  ScatteringAngles() = default;
  ScatteringAngles(double deltaPhi,
                   double deltaTheta,
                   double sigmaDeltaPhi,
                   double sigmaDeltaTheta)
    : m_deltaPhi(deltaPhi)
    , m_deltaTheta(deltaTheta)
    , m_sigmaDeltaPhi(sigmaDeltaPhi)
    , m_sigmaDeltaTheta(sigmaDeltaTheta)
  {}
 
  ScatteringAngles(const ScatteringAngles&) = default;
  ScatteringAngles(ScatteringAngles&&) = default;
  ScatteringAngles& operator=(const ScatteringAngles&) = default;
  ScatteringAngles& operator=(ScatteringAngles&&) = default;
  ~ScatteringAngles() = default;

  double deltaPhi() const;

  double deltaTheta() const;

  double sigmaDeltaPhi() const;

  double sigmaDeltaTheta() const;
 
private:
  double m_deltaPhi{ 0.0 };
  double m_deltaTheta{ 0.0 };
  double m_sigmaDeltaPhi{ 0.0 };
  double m_sigmaDeltaTheta{ 0.0 };
};

MsgStream&
operator<<(MsgStream& sl, const Trk::ScatteringAngles& saos);
std::ostream&
operator<<(std::ostream& sl, const Trk::ScatteringAngles& saos);
 
} // end of Trk ns
 
inline double
Trk::ScatteringAngles::deltaPhi() const
{
  return m_deltaPhi;
}
 
inline double
Trk::ScatteringAngles::deltaTheta() const
{
  return m_deltaTheta;
}
 
inline double
Trk::ScatteringAngles::sigmaDeltaPhi() const
{
  return m_sigmaDeltaPhi;
}
 
inline double
Trk::ScatteringAngles::sigmaDeltaTheta() const
{
  return m_sigmaDeltaTheta;
}
 
#endif