#ifndef _DLINE_H_
#define _DLINE_H_

#include "DVector3.h"

class DLine {
 public:
  DLine(); // default constructor
  DLine(double x, double y, double z, double theta, double phi); // constructor with explicit point and direction
  DLine(DVector3 r0_in, DVector3 r1_in); // constructor with 3-vector positions of two points
  double doca(DVector3 point);
  DVector3 poca(DVector3 point);
 private:
  DVector3 r0, r1;
  int debug_level;
};

#endif // _DLINE_H_