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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class header file
30 //
31 //
32 // File name: G4VEmFluctuationModel
33 //
34 // Author: Vladimir Ivanchenko
35 //
36 // Creation date: 03.01.2002
37 //
38 // Modifications:
39 //
40 // 28-12-02 add method Dispersion (V.Ivanchenko)
41 // 07-02-03 change signature (V.Ivanchenko)
42 // 13-02-03 Add name (V.Ivanchenko)
43 // 16-10-03 Changed interface to Initialisation (V.Ivanchenko)
44 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
45 // 25-07-05 Move constructor and destructor to the body (V.Ivanchenko)
46 //
47 //
48 // Class Description:
49 //
50 // Abstract class for interface to simualtion of energy loss fluctuations
51
52 // -------------------------------------------------------------------
53 //
54
55 #ifndef G4VEmFluctuationModel_h
56 #define G4VEmFluctuationModel_h 1
57
58 #include "globals.hh"
59 #include <CLHEP/Random/RandomEngine.h>
60
61 class G4ParticleDefinition;
62 class G4DynamicParticle;
63 class G4Material;
64 class G4MaterialCutsCouple;
65 class G4LossTableManager;
66
67 class G4VEmFluctuationModel
68 {
69
70 public:
71
72 explicit G4VEmFluctuationModel(const G4String& nam);
73
74 virtual ~G4VEmFluctuationModel();
75
76 //------------------------------------------------------------------------
77 // Virtual methods to be implemented for the concrete model
78 //------------------------------------------------------------------------
79
80 virtual G4double SampleFluctuations(const G4MaterialCutsCouple*,
81 const G4DynamicParticle*,
82 const G4double tcut,
83 const G4double tmax,
84 const G4double length,
85 const G4double meanLoss) = 0;
86
87 virtual G4double Dispersion(const G4Material*,
88 const G4DynamicParticle*,
89 const G4double tcut,
90 const G4double tmax,
91 const G4double length) = 0;
92
93 //------------------------------------------------------------------------
94 // Methods with standard implementation; may be overwritten if needed
95 //------------------------------------------------------------------------
96
97 virtual void InitialiseMe(const G4ParticleDefinition*);
98
99 virtual void SetParticleAndCharge(const G4ParticleDefinition*, G4double q2);
100
101 //------------------------------------------------------------------------
102 // Generic methods common to all models
103 //------------------------------------------------------------------------
104
105 inline const G4String& GetName() const;
106
107 // hide assignment operator
108 G4VEmFluctuationModel &
109 operator=(const G4VEmFluctuationModel &right) = delete;
110 G4VEmFluctuationModel(const G4VEmFluctuationModel&) = delete;
111
112 private:
113
114 const G4String name;
115 G4LossTableManager* fManager;
116 };
117
118 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
119 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
120
121 inline const G4String& G4VEmFluctuationModel::GetName() const
122 {
123 return name;
124 }
125
126 #endif
127
128