| 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: geant4-09-03-cand-01 $
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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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