G4INCLIntersection.hh

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00025 //
00026 // INCL++ intra-nuclear cascade model
00027 // Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
00028 // Davide Mancusi, CEA
00029 // Alain Boudard, CEA
00030 // Sylvie Leray, CEA
00031 // Joseph Cugnon, University of Liege
00032 //
00033 #define INCLXX_IN_GEANT4_MODE 1
00034 
00035 #include "globals.hh"
00036 
00044 #ifndef G4INCLINTERSECTION_HH
00045 #define G4INCLINTERSECTION_HH 1
00046 
00047 #include "G4INCLThreeVector.hh"
00048 #include <utility>
00049 
00050 namespace G4INCL {
00056   struct Intersection {
00057     Intersection(const G4bool e, const G4double t, const ThreeVector &p) :
00058       exists(e), time(t), position(p) {}
00059     G4bool exists;
00060     G4double time;
00061     ThreeVector position;
00062   };
00063 
00064   class IntersectionFactory {
00065     public:
00076       static inline Intersection getEarlierTrajectoryIntersection(const ThreeVector &x0, const ThreeVector &p, const G4double r) {
00077         return getTrajectoryIntersection(x0, p, r, true);
00078       }
00079       static inline Intersection getLaterTrajectoryIntersection(const ThreeVector &x0, const ThreeVector &p, const G4double r) {
00080         return getTrajectoryIntersection(x0, p, r, false);
00081       }
00082       static inline std::pair<Intersection,Intersection> getTrajectoryIntersections(const ThreeVector &x0, const ThreeVector &p, const G4double r) {
00083         return std::make_pair(
00084             getTrajectoryIntersection(x0, p, r, true),
00085             getTrajectoryIntersection(x0, p, r, false)
00086             );
00087       }
00088     private:
00089       static Intersection getTrajectoryIntersection(const ThreeVector &x0, const ThreeVector &p, const G4double r, const G4bool earliest);
00090   };
00091 }
00092 
00093 #endif /* G4INCLINTERSECTION_HH */

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