G4VThreeBodyAngDst.hh

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// $Id$
// Author:  Michael Kelsey (SLAC)
// Date:    22 April 2013
//
// Description: pure virtual base class for three-body final state angular
//              distributions in Bertini-style cascade, subclassed from
//    G4VTwoBodyAngDst (c.f. ROOT's TH1 -> TH2 -> TH3)
//

#ifndef G4VThreeBodyAngDst_h
#define G4VThreeBodyAngDst_h 1

#include "G4VTwoBodyAngDst.hh"

class G4VThreeBodyAngDst : public G4VTwoBodyAngDst {
public:
  G4VThreeBodyAngDst(const G4String& name, G4int verbose=0)
    : G4VTwoBodyAngDst(name, verbose) {;}
  virtual ~G4VThreeBodyAngDst() {;}

  // Three-body mode needs particle type and bullet energy
  virtual G4double GetCosTheta(G4int ptype, G4double ekin) const = 0;

  // Implement base-class interface to re-interpret 'pcm' as ptype
  virtual G4double GetCosTheta(const G4double& ekin, const G4double& pcm) const {
    return this->GetCosTheta((G4int)pcm, ekin);
  }
};        

#endif  /* G4VThreeBodyAngDst_h */