#ifndef _INTERSECTING_HELICES_H_
#define _INTERSECTING_HELICES_H_

#include "TrackerReco/PixelTrackFinder/interface/PixelRecTrack.h"

typedef struct {
 int q;
 float R, br,bz, c,chi, X,Y, psi, pT,cotTheta;
} helix_t;

class V0Finder
{
 public:
   V0Finder(vector<PixelRecTrack *> tracks);
   ~V0Finder();
   void doIt();

 private:
   vector<helix_t> helix;

   void infoHelix(helix_t h1,helix_t h2);
   void prepareHelix(PixelRecTrack t, helix_t *h);
   
   float getRadius(double pt);
   bool getZ(helix_t h, float *z);
   void checkIntersection(helix_t h1,helix_t h2,float deltaR);
   void getAzimuth(helix_t h1,helix_t h2);
};

#endif