| 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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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-ref-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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