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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4NeutronHPArbitaryTab.hh,v 1.12 2007/06/06 12:45:13 ahoward Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-02 $ |
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29 | // |
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30 | #ifndef G4NeutronHPArbitaryTab_h |
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31 | #define G4NeutronHPArbitaryTab_h 1 |
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32 | |
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33 | #include "globals.hh" |
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34 | #include "G4NeutronHPVector.hh" |
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35 | #include "Randomize.hh" |
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36 | #include "G4ios.hh" |
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37 | #include <fstream> |
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38 | #include "G4VNeutronHPEDis.hh" |
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39 | #include "G4InterpolationManager.hh" |
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40 | |
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41 | // we will need a List of these .... one per term. |
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42 | |
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43 | class G4NeutronHPArbitaryTab : public G4VNeutronHPEDis |
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44 | { |
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45 | public: |
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46 | G4NeutronHPArbitaryTab() |
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47 | { |
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48 | theDistFunc = 0; |
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49 | } |
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50 | ~G4NeutronHPArbitaryTab() |
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51 | { |
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52 | if(theDistFunc!=0) delete [] theDistFunc; |
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53 | } |
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54 | |
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55 | inline void Init(std::ifstream & theData) |
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56 | { |
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57 | G4int i; |
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58 | theFractionalProb.Init(theData, eV); |
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59 | theData >> nDistFunc; // = number of incoming n energy points |
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60 | theDistFunc = new G4NeutronHPVector [nDistFunc]; |
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61 | theManager.Init(theData); |
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62 | G4double currentEnergy; |
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63 | for(i=0; i<nDistFunc; i++) |
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64 | { |
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65 | theData >> currentEnergy; |
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66 | theDistFunc[i].SetLabel(currentEnergy*eV); |
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67 | theDistFunc[i].Init(theData, eV); |
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68 | theDistFunc[i].ThinOut(0.02); // @@@ optimization to be finished. |
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69 | } |
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70 | } |
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71 | |
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72 | inline G4double GetFractionalProbability(G4double anEnergy) |
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73 | { |
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74 | return theFractionalProb.GetY(anEnergy); |
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75 | } |
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76 | |
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77 | G4double Sample(G4double anEnergy) ; |
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78 | |
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79 | private: |
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80 | |
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81 | G4NeutronHPVector theFractionalProb; |
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82 | G4int nDistFunc; |
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83 | G4InterpolationManager theManager; // knows the interpolation between stores |
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84 | G4NeutronHPVector * theDistFunc; // one per incoming energy |
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85 | G4NeutronHPVector theBuffer; |
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86 | |
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87 | }; |
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88 | |
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89 | #endif |
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