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G4ParticleHPArbitaryTab.hh
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28 // P. Arce, June-2014 Conversion neutron_hp to particle_hp
29 //
30 #ifndef G4ParticleHPArbitaryTab_h
31 #define G4ParticleHPArbitaryTab_h 1
32 
33 #include <fstream>
35 
36 #include "globals.hh"
37 #include "G4ios.hh"
38 #include "Randomize.hh"
39 #include "G4ParticleHPVector.hh"
40 #include "G4VParticleHPEDis.hh"
42 
43 // we will need a List of these .... one per term.
44 
46 {
47  public:
49  {
50  theDistFunc = 0;
51  nDistFunc = 0;
52  }
54  {
55  if(theDistFunc!=0) delete [] theDistFunc;
56  }
57 
58  inline void Init(std::istream & theData)
59  {
60  G4int i;
61  theFractionalProb.Init(theData, CLHEP::eV);
62  theData >> nDistFunc; // = number of incoming n energy points
63  theDistFunc = new G4ParticleHPVector [nDistFunc];
64  theManager.Init(theData);
65  G4double currentEnergy;
66  for(i=0; i<nDistFunc; i++)
67  {
68  theData >> currentEnergy;
69  theDistFunc[i].SetLabel(currentEnergy*CLHEP::eV);
70  theDistFunc[i].Init(theData, CLHEP::eV);
71  theDistFunc[i].IntegrateAndNormalise();
72  //************************************************************************
73  //EMendoza:
74  //ThinOut() assumes that the data is linear-linear, what is false:
75  //theDistFunc[i].ThinOut(0.02); // @@@ optimization to be finished.
76  //************************************************************************
77  }
78 
79  //************************************************************************
80  //EMendoza:
81  //Here we calculate the thresholds for the 2D sampling:
82  for(i=0; i<nDistFunc; i++){
83  G4int np=theDistFunc[i].GetVectorLength();
84  theLowThreshold[i]=theDistFunc[i].GetEnergy(0);
85  theHighThreshold[i]=theDistFunc[i].GetEnergy(np-1);
86  for(G4int j=0;j<np-1;j++){
87  if(theDistFunc[i].GetXsec(j+1)>1.e-20){
88  theLowThreshold[i]=theDistFunc[i].GetEnergy(j);
89  break;
90  }
91  }
92  for(G4int j=1;j<np;j++){
93  if(theDistFunc[i].GetXsec(j-1)>1.e-20){
94  theHighThreshold[i]=theDistFunc[i].GetEnergy(j);
95  }
96  }
97  }
98  //************************************************************************
99  }
100 
102  {
103  return theFractionalProb.GetY(anEnergy);
104  }
105 
106  G4double Sample(G4double anEnergy) ;
107 
108  private:
109 
110  G4ParticleHPVector theFractionalProb;
111  G4int nDistFunc;
112  G4InterpolationManager theManager; // knows the interpolation between stores
113  G4ParticleHPVector * theDistFunc; // one per incoming energy
114  G4ParticleHPVector theBuffer;
115  //************************************************************************
116  //EMendoza:
117  G4double theLowThreshold[1000];
118  G4double theHighThreshold[1000];
119  //************************************************************************
120 
121 };
122 
123 #endif
G4double GetEnergy(G4int i) const
void Init(std::istream &theData)
G4double GetFractionalProbability(G4double anEnergy)
G4int GetVectorLength() const
void Init(G4int aScheme, G4int aRange)
int G4int
Definition: G4Types.hh:78
G4double Sample(G4double anEnergy)
void Init(std::istream &aDataFile, G4int total, G4double ux=1., G4double uy=1.)
G4double GetY(G4double x)
static constexpr double eV
double G4double
Definition: G4Types.hh:76
void SetLabel(G4double aLabel)