Geant4  10.00.p02
G4NeutronHPLevel.cc
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 // neutron_hp -- source file
27 // J.P. Wellisch, Nov-1996
28 // A prototype of the low energy neutron transport model.
29 //
30 #include "G4NeutronHPLevel.hh"
31 #include "G4NeutronHPGamma.hh"
32 
34  {
35  if(theGammas != 0)
36  {
37  for(G4int i=0; i<nGammas; i++) delete theGammas[i];
38  }
39  delete [] theGammas;
40  }
41 
43  {
44  nGammas = aGammas;
45  if(theGammas != 0)
46  {
47  for(G4int i=0; i<nGammas; i++) delete theGammas[i];
48  }
49  delete [] theGammas;
51  }
52 
54  {
55  theGammas[i] = aGamma;
56  SetLevelEnergy(aGamma->GetLevelEnergy());
57  }
58 
60  {
61  return theGammas[i]->GetGammaEnergy();
62  }
63 
65  {
66  G4DynamicParticleVector * theResult;
67  G4double sum = 0;
68  G4double * running = new G4double[nGammas];
69  running[0] = 0;
70  G4int i;
71  for(i=0; i<nGammas; i++)
72  {
73  if(i!=0) running[i]=running[i-1];
74  running[i]+=theGammas[i]->GetWeight();
75  }
76  sum = running[nGammas-1];
77  G4int it(0);
78  G4double random = G4UniformRand();
79  for(i=0; i<nGammas; i++)
80  {
81  it = i;
82  if(random*sum < running[i]) break;
83  }
84  delete [] running;
85  theResult = theGammas[it]->GetDecayGammas();
86  return theResult;
87  }
void SetNumberOfGammas(G4int aGammas)
G4double GetGammaEnergy()
void SetLevelEnergy(G4double anEnergy)
int G4int
Definition: G4Types.hh:78
G4double GetLevelEnergy()
G4NeutronHPGamma ** theGammas
#define G4UniformRand()
Definition: Randomize.hh:87
G4DynamicParticleVector * GetDecayGammas()
std::vector< G4DynamicParticle * > G4DynamicParticleVector
G4double GetGammaEnergy(G4int i)
G4DynamicParticleVector * GetDecayGammas()
double G4double
Definition: G4Types.hh:76
void SetGamma(G4int i, G4NeutronHPGamma *aGamma)