include/Geant4/G4VThreeBodyAngDst.hh

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0025 //
0026 // Author:  Michael Kelsey (SLAC)
0027 // Date:    22 April 2013
0028 //
0029 // Description: pure virtual base class for three-body final state angular
0030 //              distributions in Bertini-style cascade, subclassed from
0031 //      G4VTwoBodyAngDst (c.f. ROOT's TH1 -> TH2 -> TH3)
0032 //
0033
0034 #ifndef G4VThreeBodyAngDst_h
0035 #define G4VThreeBodyAngDst_h 1
0036
0037 #include "G4VTwoBodyAngDst.hh"
0038
0039 class G4VThreeBodyAngDst : public G4VTwoBodyAngDst {
0040 public:
0041   G4VThreeBodyAngDst(const G4String& name, G4int verbose=0)
0042     : G4VTwoBodyAngDst(name, verbose) {;}
0043   virtual ~G4VThreeBodyAngDst() {;}
0044
0045   // Three-body mode needs particle type and bullet energy
0046   virtual G4double GetCosTheta(G4int ptype, G4double ekin) const = 0;
0047
0048   // Implement base-class interface to re-interpret 'pcm' as ptype
0049   virtual G4double GetCosTheta(const G4double& ekin, const G4double& pcm) const {
0050     return this->GetCosTheta((G4int)pcm, ekin);
0051   }
0052 };
0053
0054 #endif  /* G4VThreeBodyAngDst_h */