DistanceSolution.h

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

// DistanceSolution.h, (c) ATLAS Detector software
 
#ifndef TRKSURFACES_DISTANCESOLUTION_H
#define TRKSURFACES_DISTANCESOLUTION_H
 
#include <cmath>
 
namespace Trk {

 
class DistanceSolution
{
public:
  DistanceSolution() = default;
  DistanceSolution(const DistanceSolution&) = default;
  DistanceSolution(DistanceSolution&&) = default;
  DistanceSolution& operator=(const DistanceSolution&) = default;
  DistanceSolution& operator=(DistanceSolution&&) = default;
  ~DistanceSolution() = default;

  DistanceSolution(int num,
                   double current = 0.,
                   bool signedDist = false,
                   double first = 0.,
                   double second = 0.);
 
  // methods to access solutions
  int numberOfSolutions() const;

  double first() const;

  double second() const;

  double absClosest() const;

  double toPointOfClosestApproach() const;

  double currentDistance(bool signedDist = false) const;

  bool signedDistance() const;
 
private:
  double m_first = 0;
  double m_second = 0;
  double m_current = 0;
  int m_num = 0;
  bool m_signedDist = false;
};
 
} // end of namespace
 
#include "TrkSurfaces/DistanceSolution.icc"
#endif // TRKSURFACES_DISTANCESOLUTION_H