TwoTrackMinimumDistanceLineLine.h

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#ifndef _Tracker_TwoTrackMinimumDistanceLineLine_H_
#define _Tracker_TwoTrackMinimumDistanceLineLine_H_
 
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
#include <string>
#include <sstream>
#include <utility>
 
class GlobalTrajectoryParameters;
 
class TwoTrackMinimumDistanceLineLine {
public:
  bool calculate(const GlobalTrajectoryParameters &,
                 const GlobalTrajectoryParameters &);  // retval=true? error occured.
 
  std::pair<GlobalPoint, GlobalPoint> points() const;
  std::pair<double, double> pathLength() const;
 
  double firstAngle() const { return phiG; }
  double secondAngle() const { return phiH; }
 
private:
  double phiH, phiG;
  double pathG, pathH;
  GlobalPoint gPos, hPos;
};
#endif