[819] | 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 | // neutron_hp -- source file |
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| 27 | // J.P. Wellisch, Nov-1996 |
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| 28 | // A prototype of the low energy neutron transport model. |
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| 29 | // |
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| 30 | #include "G4NeutronHPField.hh" |
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| 31 | #include "G4HadronicException.hh" |
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| 32 | #include "G4ios.hh" |
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| 33 | |
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| 34 | |
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| 35 | G4NeutronHPField::G4NeutronHPField() |
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| 36 | { |
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| 37 | theData = new G4NeutronHPFieldPoint[100]; |
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| 38 | nPoints=100; |
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| 39 | nEntries=0; |
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| 40 | theData->SetData(0,0,0); |
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| 41 | } |
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| 42 | |
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| 43 | G4NeutronHPField::~G4NeutronHPField(){ delete [] theData;} |
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| 44 | |
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| 45 | G4double G4NeutronHPField::GetY(G4double e, G4int j) |
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| 46 | { |
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| 47 | G4int low = 0; |
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| 48 | G4int high = 0; |
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| 49 | G4int i; |
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| 50 | for (i=1; i<nEntries/10; i++) |
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| 51 | { |
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| 52 | if(theData[10*i].GetX()>e) break; |
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| 53 | } |
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| 54 | if(i==(nEntries/10)) |
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| 55 | { |
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| 56 | i=10*i; |
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| 57 | while (i<nEntries) |
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| 58 | { |
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| 59 | if(theData[i++].GetX()>e) break; |
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| 60 | } |
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| 61 | if (i==nEntries) |
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| 62 | { |
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| 63 | low = nEntries-1; |
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| 64 | high = nEntries-2; |
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| 65 | }else{ |
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| 66 | low = i-1; |
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| 67 | high = i; |
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| 68 | } |
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| 69 | }else{ |
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| 70 | for (G4int j=0; j<10; j++) |
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| 71 | { |
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| 72 | if(theData[i].GetX()<e) break; |
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| 73 | i--; |
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| 74 | } |
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| 75 | low = i; |
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| 76 | high = i+1; |
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| 77 | } |
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| 78 | G4double x1, x2, y1, y2, x, y; |
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| 79 | x = e; |
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| 80 | x1 = theData[low] .GetX(); |
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| 81 | x2 = theData[high].GetX(); |
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| 82 | y1 = theData[low] .GetY(j); |
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| 83 | y2 = theData[high].GetY(j); |
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| 84 | y = x*(y2-y1)/(x2-x1); |
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| 85 | return y += y2-x2*(y2-y1)/(x2-x1); |
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| 86 | } |
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| 87 | |
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| 88 | void G4NeutronHPField::Dump() |
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| 89 | { |
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| 90 | G4cout << nEntries<<G4endl; |
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| 91 | for(G4int i=0; i<nEntries; i++) |
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| 92 | { |
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| 93 | G4cout << theData[i].GetX()<<" "; |
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| 94 | for(G4int j=0; j<theData[i].GetDepth(); j++) |
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| 95 | { |
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| 96 | G4cout << theData[i].GetY(j)<<" "; |
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| 97 | } |
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| 98 | G4cout << G4endl; |
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| 99 | } |
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| 100 | } |
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| 101 | |
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| 102 | void G4NeutronHPField::Check(G4int i) |
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| 103 | { |
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| 104 | if(i>nEntries) throw G4HadronicException(__FILE__, __LINE__, "Skipped some index numbers in G4NeutronHPField"); |
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| 105 | if(i==nPoints) |
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| 106 | { |
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| 107 | nPoints += 50; |
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| 108 | G4NeutronHPFieldPoint * buff = new G4NeutronHPFieldPoint[nPoints]; |
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| 109 | // G4cout << "copying 1"<<G4endl; |
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| 110 | for (G4int j=0; j<nEntries; j++) |
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| 111 | { |
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| 112 | buff[j] = theData[j]; |
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| 113 | } |
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| 114 | // G4cout << "copying 2"<<G4endl; |
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| 115 | delete [] theData; |
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| 116 | theData = buff; |
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| 117 | } |
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| 118 | if(i==nEntries) nEntries=i+1; |
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| 119 | } |
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