CylinderIntersector.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
// CylinderIntersector.h, (c) ATLAS Detector software
 
#ifndef TRKVOLUMES_CYLINDERINTERSECTOR_H
#define TRKVOLUMES_CYLINDERINTERSECTOR_H
 
#include <cmath>
 
namespace Trk {
 
  struct CylinderIntersector {
 
  double yOfX;            
  double segLength;      
   
  CylinderIntersector(double px, double py, double k, double xprime) {
     double deltax = xprime-px;
     yOfX = py + k*(deltax);
     double deltay = yOfX-py;
     segLength = sqrt(deltax*deltax+deltay*deltay);  
  }
  };
 
} // end of ns
 
#endif