Geant4_10
G4BOptnChangeCrossSection.hh
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27 // $Id: $
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29 //---------------------------------------------------------------
30 //
31 // G4BOptnChangeCrossSection
32 //
33 // Class Description:
34 // A G4VBiasingOperation to change a process cross-section.
35 //
36 //
37 //---------------------------------------------------------------
38 // Initial version Nov. 2013 M. Verderi
39 
40 
41 #ifndef G4BOptnChangeCrossSection_hh
42 #define G4BOptnChangeCrossSection_hh 1
43 
44 #include "G4VBiasingOperation.hh"
46 
48 public:
49  // -- Constructor :
51  // -- destructor:
53 
54 public:
55  // -- Methods from G4VBiasingOperation interface:
56  // ----------------------------------------------
57  // -- Used:
59 
60  // -- Unused:
62  const G4Track*,
63  const G4Step* ) {return 0;}
65  G4double,
66  G4ForceCondition*) {return DBL_MAX;}
68  const G4Step* ) {return 0;}
69 
70 public:
71  // -- Additional methods, specific to this class:
72  // ----------------------------------------------
73  // -- return concrete type of interaction law:
74  G4InteractionLawPhysical* GetBiasedExponentialLaw() {return fBiasedExponentialLaw;}
75  // -- set biased cross-section:
78  // -- Sample underneath distribution:
79  void Sample();
80  // -- Update for a made step, without resampling:
81  void UpdateForStep( G4double stepLength );
82  // -- set/get if interaction occured.
83  // -- Interaction flag turned off in "Sample()" method.
84  G4bool GetInteractionOccured() const { return fInteractionOccured; }
85  void SetInteractionOccured() { fInteractionOccured = true; }
86 
87 
88 
89 private:
90  G4InteractionLawPhysical* fBiasedExponentialLaw;
91  G4bool fInteractionOccured;
92 };
93 
94 #endif
G4InteractionLawPhysical * GetBiasedExponentialLaw()
const XML_Char * name
Definition: expat.h:151
virtual const G4VBiasingInteractionLaw * ProvideOccurenceBiasingInteractionLaw(const G4BiasingProcessInterface *)
virtual G4VParticleChange * ApplyFinalStateBiasing(const G4BiasingProcessInterface *, const G4Track *, const G4Step *)
virtual G4double DistanceToApplyOperation(const G4Track *, G4double, G4ForceCondition *)
bool G4bool
Definition: G4Types.hh:79
Definition: G4Step.hh:76
double G4double
Definition: G4Types.hh:76
G4ForceCondition
virtual G4VParticleChange * GenerateBiasingFinalState(const G4Track *, const G4Step *)
#define DBL_MAX
Definition: templates.hh:83
void UpdateForStep(G4double stepLength)