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 | // File: CCalMaterial.cc |
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28 | // Description: CCalMaterial transient class to store information from |
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29 | // material table (database) which is used to make a G4Material |
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30 | /////////////////////////////////////////////////////////////////////////////// |
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31 | #include "CCalMaterial.hh" |
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32 | |
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33 | //#define debug |
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34 | |
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35 | CCalMaterial::CCalMaterial(G4String mat, double dens, int nconst, |
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36 | CCalMaterial** constituents, double* weights, |
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37 | FractionType ft): name(mat), density(dens) { |
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38 | nElem = 0; |
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39 | |
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40 | int i=0; |
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41 | for (i=0; i<nconst; i++) |
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42 | nElem += constituents[i]->NElements(); |
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43 | |
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44 | theElements = new G4String[nElem]; |
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45 | theWeights = new double[nElem]; |
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46 | |
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47 | double factor; |
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48 | int nelem=0; |
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49 | for (i=0; i<nconst; i++) { |
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50 | if (ft==FTWeight) |
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51 | factor=1.0; |
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52 | else |
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53 | factor=constituents[i]->Density(); |
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54 | for (int j=0; j<constituents[i]->NElements(); j++) { |
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55 | theElements[nelem] = constituents[i]->Element(j); |
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56 | theWeights[nelem] = constituents[i]->Weight(j)* weights[i] * factor; |
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57 | nelem++; |
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58 | } |
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59 | } |
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60 | |
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61 | if (density<0) { //Let's compute density |
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62 | computeDensity(nconst, constituents, weights, ft); |
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63 | } |
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64 | closeMaterial(); |
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65 | } |
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66 | |
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67 | CCalMaterial::CCalMaterial(const CCalMaterial& mat): |
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68 | name(mat.name), density(mat.density), nElem(mat.nElem) { |
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69 | theElements = new G4String[nElem]; |
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70 | theWeights = new double[nElem]; |
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71 | for (int i=0; i<nElem; i++){ |
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72 | theElements[i]=mat.theElements[i]; |
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73 | theWeights[i]=mat.theWeights[i]; |
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74 | } |
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75 | } |
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76 | |
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77 | CCalMaterial::~CCalMaterial() { |
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78 | if (theElements) |
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79 | delete[] theElements; |
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80 | if (theWeights) |
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81 | delete[] theWeights; |
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82 | } |
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83 | |
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84 | void CCalMaterial::computeDensity(int nconst, |
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85 | CCalMaterial** constituents, |
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86 | double* weights, FractionType ft) { |
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87 | double mass=0; |
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88 | double volume=0; |
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89 | for (int i=0; i<nconst; i++) { |
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90 | if (ft==FTWeight) { |
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91 | mass+=weights[i]; |
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92 | volume+=(weights[i]/constituents[i]->Density()); |
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93 | } |
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94 | else { //by volume |
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95 | mass+=(weights[i]*constituents[i]->Density()); |
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96 | volume+=weights[i]; |
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97 | } |
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98 | } |
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99 | density=mass/volume; |
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100 | } |
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101 | |
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102 | CCalMaterial& CCalMaterial::operator=(const CCalMaterial& mat){ |
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103 | if(theElements) |
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104 | delete[] theElements; |
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105 | if(theWeights) |
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106 | delete[] theWeights; |
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107 | |
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108 | name=mat.name; |
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109 | density=mat.density; |
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110 | nElem=mat.nElem; |
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111 | |
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112 | theElements = new G4String[nElem]; |
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113 | theWeights = new double[nElem]; |
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114 | for (int i=0; i<nElem; i++){ |
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115 | theElements[i]=mat.theElements[i]; |
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116 | theWeights[i]=mat.theWeights[i]; |
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117 | } |
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118 | return *this; |
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119 | } |
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120 | |
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121 | G4bool CCalMaterial::operator==(const CCalMaterial& mat) const{ |
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122 | return (name==mat.name); |
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123 | } |
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124 | |
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125 | G4bool CCalMaterial::operator!=(const CCalMaterial& mat) const{ |
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126 | return (name!=mat.name); |
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127 | } |
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128 | |
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129 | void CCalMaterial::closeMaterial() { |
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130 | int trueConst=0; |
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131 | |
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132 | double norm=0; |
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133 | |
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134 | for (int i=0; i<nElem; i++) { |
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135 | norm+=theWeights[i]; |
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136 | if (theElements[i]!="") { |
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137 | trueConst++; |
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138 | for (int j=i+1; j<nElem; j++) { |
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139 | if(theElements[i]==theElements[j]){ |
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140 | theWeights[i]+=theWeights[j]; |
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141 | theElements[j]=""; |
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142 | } |
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143 | }//for j |
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144 | } //if |
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145 | }//for i |
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146 | |
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147 | if (trueConst != nElem) { |
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148 | G4String* newConst = new G4String[trueConst]; |
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149 | double* newWeight = new double[trueConst]; |
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150 | |
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151 | int newi=0; |
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152 | for(int i=0; i<nElem; i++){ |
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153 | if (theElements[i]!="") { |
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154 | newConst[newi] = theElements[i]; |
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155 | newWeight[newi] = theWeights[i]/norm; |
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156 | newi++; |
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157 | } |
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158 | } |
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159 | |
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160 | #ifdef debug |
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161 | G4cout << "\tGoing from " << nElem <<" constituents to " << trueConst << G4endl; |
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162 | #endif |
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163 | nElem=trueConst; |
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164 | |
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165 | delete[] theElements; |
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166 | delete[] theWeights; |
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167 | |
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168 | theElements=newConst; |
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169 | theWeights=newWeight; |
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170 | } |
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171 | else { //Let's normalize the weights |
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172 | for (int i=0; i<nElem; i++) |
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173 | theWeights[i] = theWeights[i]/norm; |
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174 | } |
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175 | } |
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176 | |
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177 | std::ostream& operator<<(std::ostream& os, const CCalMaterial& mat) { |
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178 | os << mat.name << G4endl; |
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179 | os << "Density= " << mat.density << " g/cm3. Number of Elements: " |
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180 | << mat.nElem << G4endl; |
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181 | for (int i=0; i<mat.nElem; i++) |
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182 | os << '\t' << mat.theElements[i] << '\t' << mat.theWeights[i] << G4endl; |
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183 | return os; |
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184 | } |
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