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