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25 //
26 //
27 //
28 // 080718 Add ClearHistories method and related class member
29 //
30 // P. Arce, June-2014 Conversion neutron_hp to particle_hp
31 // V. Ivanchenko, July-2023 Basic revision of particle HP classes
32 //
33 #ifndef G4ParticleHPContAngularPar_h
34 #define G4ParticleHPContAngularPar_h 1
35
36 #include "G4Cache.hh"
37 #include "G4InterpolationManager.hh"
38 #include "G4ParticleHPInterpolator.hh"
39 #include "G4ParticleHPList.hh"
40 #include "G4ReactionProduct.hh"
41 #include "G4ios.hh"
42 #include "globals.hh"
43
44 #include <fstream>
45 #include <set>
46
47 class G4ParticleDefinition;
48
49 class G4ParticleHPContAngularPar
50 {
51 struct toBeCached
52 {
53 G4bool fresh{true};
54 G4double currentMeanEnergy{-2.0};
55 G4double remaining_energy{0.0};
56 G4double theTargetCode{-1.0};
57 G4ReactionProduct* theTarget{nullptr};
58 G4ReactionProduct* thePrimary{nullptr};
59 toBeCached() = default;
60 };
61
62 public:
63 G4ParticleHPContAngularPar(const G4ParticleDefinition* p = nullptr);
64 G4ParticleHPContAngularPar(G4ParticleHPContAngularPar&);
65
66 ~G4ParticleHPContAngularPar();
67
68 void Init(std::istream& aDataFile, const G4ParticleDefinition* projectile);
69
70 G4ReactionProduct* Sample(G4double anEnergy, G4double massCode,
71 G4double mass, G4int angularRep, G4int interpol);
72
73 G4double GetEnergy() const { return theEnergy; }
74
75 void SetPrimary(G4ReactionProduct* aPrimary) { fCache.Get().thePrimary = aPrimary; }
76
77 void SetTarget(G4ReactionProduct* aTarget) { fCache.Get().theTarget = aTarget; }
78
79 void SetTargetCode(G4double aTargetCode) { fCache.Get().theTargetCode = aTargetCode; }
80
81 void SetInterpolation(G4int theInterpolation)
82 {
83 theManager.Init(theInterpolation, nEnergies); // one range only
84 }
85
86 void BuildByInterpolation(G4double anEnergy, G4InterpolationScheme aScheme,
87 G4ParticleHPContAngularPar& store1,
88 G4ParticleHPContAngularPar& store2);
89 // NOTE: this interpolates legendre coefficients
90
91 void PrepareTableInterpolation();
92
93 G4double MeanEnergyOfThisInteraction()
94 {
95 G4double result = std::max(fCache.Get().currentMeanEnergy, 0.0);
96 fCache.Get().currentMeanEnergy = -2.0;
97 return result;
98 }
99
100 G4int GetNEnergies() const { return nEnergies; }
101 G4int GetNDiscreteEnergies() const { return nDiscreteEnergies; }
102 std::set<G4double> GetEnergiesTransformed() const { return theEnergiesTransformed; }
103 G4int GetNEnergiesTransformed() const { return (G4int)theEnergiesTransformed.size(); }
104 G4double GetMinEner() const { return theMinEner; }
105 G4double GetMaxEner() const { return theMaxEner; }
106 std::map<G4double, G4int> GetDiscreteEnergiesOwn() const { return theDiscreteEnergiesOwn; }
107 G4ParticleHPList* GetAngDataList() const { return theAngular; }
108
109 void ClearHistories()
110 {
111 fCache.Get().fresh = true;
112 fCache.Get().currentMeanEnergy = -2.0;
113 fCache.Get().remaining_energy = 0.0;
114 fCache.Get().theTargetCode = -1.0;
115 fCache.Get().theTarget = nullptr;
116 fCache.Get().thePrimary = nullptr;
117 }
118
119 void Dump() const;
120
121 G4ParticleHPContAngularPar& operator=(const G4ParticleHPContAngularPar &right) = delete;
122
123 private:
124 // incoming particle
125 G4double theEnergy{0.0};
126 G4double theMinEner{DBL_MAX};
127 G4double theMaxEner{-DBL_MAX};
128 // number of exit channel energies
129 G4int nEnergies{0};
130 // number of discrete exit channels
131 G4int nDiscreteEnergies{0};
132 // number of angular paramerers per channel
133 G4int nAngularParameters{0};
134
135 const G4ParticleDefinition* theProjectile{nullptr};
136 // on per exit-channel energy
137 G4ParticleHPList* theAngular{nullptr};
138
139 // knows the interpolation between List labels
140 G4InterpolationManager theManager;
141
142 G4ParticleHPInterpolator theInt;
143
144 G4Cache<toBeCached> fCache;
145
146 G4bool adjustResult{true};
147 // if not set it will not force the conservation of energy in angularRep==1,
148 // but will sample the particle energy according to the database
149
150 std::set<G4double> theEnergiesTransformed;
151 std::set<G4double> theDiscreteEnergies;
152 std::map<G4double, G4int> theDiscreteEnergiesOwn;
153 };
154
155 #endif
156