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 | // 070606 fix with Valgrind by T. Koi |
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27 | // 080409 Fix div0 error with G4FPE by T. Koi |
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28 | // 080811 Comment out unused method SetBlocked and SetBuffered |
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29 | // Add required cleaning up in CleanUp by T. Koi |
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30 | // |
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31 | #ifndef G4NeutronHPVector_h |
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32 | #define G4NeutronHPVector_h 1 |
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33 | |
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34 | #include "G4NeutronHPDataPoint.hh" |
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35 | #include "G4PhysicsVector.hh" |
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36 | #include "G4NeutronHPInterpolator.hh" |
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37 | #include "Randomize.hh" |
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38 | #include "G4ios.hh" |
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39 | #include <fstream> |
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40 | #include "G4InterpolationManager.hh" |
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41 | #include "G4NeutronHPInterpolator.hh" |
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42 | #include "G4NeutronHPHash.hh" |
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43 | #include <cmath> |
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44 | #include <vector> |
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45 | |
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46 | class G4NeutronHPVector |
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47 | { |
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48 | friend G4NeutronHPVector & operator + (G4NeutronHPVector & left, |
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49 | G4NeutronHPVector & right); |
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50 | |
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51 | public: |
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52 | |
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53 | G4NeutronHPVector(); |
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54 | |
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55 | G4NeutronHPVector(G4int n); |
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56 | |
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57 | ~G4NeutronHPVector(); |
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58 | |
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59 | G4NeutronHPVector & operator = (const G4NeutronHPVector & right); |
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60 | |
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61 | inline void SetVerbose(G4int ff) |
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62 | { |
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63 | Verbose = ff; |
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64 | } |
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65 | |
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66 | inline void Times(G4double factor) |
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67 | { |
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68 | G4int i; |
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69 | for(i=0; i<nEntries; i++) |
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70 | { |
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71 | theData[i].SetY(theData[i].GetY()*factor); |
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72 | } |
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73 | if(theIntegral!=0) |
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74 | { |
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75 | theIntegral[i] *= factor; |
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76 | } |
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77 | } |
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78 | |
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79 | inline void SetPoint(G4int i, const G4NeutronHPDataPoint & it) |
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80 | { |
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81 | G4double x = it.GetX(); |
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82 | G4double y = it.GetY(); |
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83 | SetData(i, x, y); |
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84 | } |
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85 | |
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86 | inline void SetData(G4int i, G4double x, G4double y) |
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87 | { |
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88 | // G4cout <<"G4NeutronHPVector::SetData called"<<nPoints<<" "<<nEntries<<G4endl; |
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89 | Check(i); |
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90 | if(y>maxValue) maxValue=y; |
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91 | theData[i].SetData(x, y); |
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92 | } |
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93 | inline void SetX(G4int i, G4double e) |
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94 | { |
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95 | Check(i); |
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96 | theData[i].SetX(e); |
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97 | } |
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98 | inline void SetEnergy(G4int i, G4double e) |
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99 | { |
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100 | Check(i); |
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101 | theData[i].SetX(e); |
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102 | } |
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103 | inline void SetY(G4int i, G4double x) |
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104 | { |
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105 | Check(i); |
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106 | if(x>maxValue) maxValue=x; |
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107 | theData[i].SetY(x); |
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108 | } |
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109 | inline void SetXsec(G4int i, G4double x) |
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110 | { |
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111 | Check(i); |
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112 | if(x>maxValue) maxValue=x; |
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113 | theData[i].SetY(x); |
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114 | } |
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115 | inline G4double GetEnergy(G4int i) const { return theData[i].GetX(); } |
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116 | inline G4double GetXsec(G4int i) { return theData[i].GetY(); } |
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117 | inline G4double GetX(G4int i) const |
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118 | { |
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119 | if (i<0) i=0; |
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120 | if(i>=GetVectorLength()) i=GetVectorLength()-1; |
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121 | return theData[i].GetX(); |
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122 | } |
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123 | inline const G4NeutronHPDataPoint & GetPoint(G4int i) const { return theData[i]; } |
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124 | |
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125 | void Hash() |
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126 | { |
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127 | G4int i; |
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128 | G4double x, y; |
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129 | for(i=0 ; i<nEntries; i++) |
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130 | { |
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131 | if(0 == (i+1)%10) |
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132 | { |
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133 | x = GetX(i); |
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134 | y = GetY(i); |
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135 | theHash.SetData(i, x, y); |
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136 | } |
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137 | } |
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138 | } |
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139 | |
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140 | void ReHash() |
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141 | { |
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142 | theHash.Clear(); |
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143 | Hash(); |
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144 | } |
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145 | |
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146 | G4double GetXsec(G4double e); |
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147 | G4double GetXsec(G4double e, G4int min) |
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148 | { |
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149 | G4int i; |
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150 | for(i=min ; i<nEntries; i++) |
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151 | { |
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152 | if(theData[i].GetX()>e) break; |
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153 | } |
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154 | G4int low = i-1; |
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155 | G4int high = i; |
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156 | if(i==0) |
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157 | { |
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158 | low = 0; |
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159 | high = 1; |
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160 | } |
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161 | else if(i==nEntries) |
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162 | { |
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163 | low = nEntries-2; |
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164 | high = nEntries-1; |
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165 | } |
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166 | G4double y; |
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167 | if(e<theData[nEntries-1].GetX()) |
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168 | { |
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169 | // Protect against doubled-up x values |
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170 | if( (theData[high].GetX()-theData[low].GetX())/theData[high].GetX() < 0.000001) |
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171 | { |
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172 | y = theData[low].GetY(); |
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173 | } |
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174 | else |
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175 | { |
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176 | y = theInt.Interpolate(theManager.GetScheme(high), e, |
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177 | theData[low].GetX(), theData[high].GetX(), |
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178 | theData[low].GetY(), theData[high].GetY()); |
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179 | } |
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180 | } |
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181 | else |
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182 | { |
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183 | y=theData[nEntries-1].GetY(); |
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184 | } |
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185 | return y; |
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186 | } |
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187 | |
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188 | inline G4double GetY(G4double x) {return GetXsec(x);} |
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189 | inline G4int GetVectorLength() const {return nEntries;} |
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190 | |
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191 | inline G4double GetY(G4int i) |
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192 | { |
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193 | if (i<0) i=0; |
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194 | if(i>=GetVectorLength()) i=GetVectorLength()-1; |
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195 | return theData[i].GetY(); |
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196 | } |
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197 | |
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198 | inline G4double GetY(G4int i) const |
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199 | { |
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200 | if (i<0) i=0; |
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201 | if(i>=GetVectorLength()) i=GetVectorLength()-1; |
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202 | return theData[i].GetY(); |
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203 | } |
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204 | void Dump(); |
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205 | |
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206 | inline void InitInterpolation(std::ifstream & aDataFile) |
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207 | { |
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208 | theManager.Init(aDataFile); |
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209 | } |
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210 | |
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211 | void Init(std::ifstream & aDataFile, G4int total, G4double ux=1., G4double uy=1.) |
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212 | { |
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213 | G4double x,y; |
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214 | for (G4int i=0;i<total;i++) |
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215 | { |
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216 | aDataFile >> x >> y; |
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217 | x*=ux; |
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218 | y*=uy; |
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219 | SetData(i,x,y); |
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220 | if(0 == nEntries%10) |
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221 | { |
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222 | theHash.SetData(nEntries-1, x, y); |
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223 | } |
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224 | } |
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225 | } |
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226 | |
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227 | void Init(std::ifstream & aDataFile,G4double ux=1., G4double uy=1.) |
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228 | { |
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229 | G4int total; |
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230 | aDataFile >> total; |
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231 | if(theData!=0) delete [] theData; |
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232 | theData = new G4NeutronHPDataPoint[total]; |
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233 | nPoints=total; |
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234 | nEntries=0; |
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235 | theManager.Init(aDataFile); |
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236 | Init(aDataFile, total, ux, uy); |
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237 | } |
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238 | |
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239 | void ThinOut(G4double precision); |
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240 | |
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241 | inline void SetLabel(G4double aLabel) |
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242 | { |
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243 | label = aLabel; |
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244 | } |
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245 | |
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246 | inline G4double GetLabel() |
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247 | { |
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248 | return label; |
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249 | } |
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250 | |
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251 | inline void CleanUp() |
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252 | { |
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253 | nEntries=0; |
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254 | theManager.CleanUp(); |
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255 | maxValue = -DBL_MAX; |
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256 | theHash.Clear(); |
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257 | //080811 TK DB |
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258 | delete[] theIntegral; |
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259 | theIntegral = NULL; |
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260 | } |
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261 | |
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262 | // merges the vectors active and passive into *this |
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263 | inline void Merge(G4NeutronHPVector * active, G4NeutronHPVector * passive) |
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264 | { |
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265 | CleanUp(); |
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266 | G4int s = 0, n=0, m=0; |
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267 | G4NeutronHPVector * tmp; |
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268 | G4int a = s, p = n, t; |
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269 | while (a<active->GetVectorLength()&&p<passive->GetVectorLength()) |
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270 | { |
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271 | if(active->GetEnergy(a) <= passive->GetEnergy(p)) |
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272 | { |
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273 | G4double xa = active->GetEnergy(a); |
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274 | G4double yy = active->GetXsec(a); |
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275 | SetData(m, xa, yy); |
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276 | theManager.AppendScheme(m, active->GetScheme(a)); |
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277 | m++; |
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278 | a++; |
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279 | G4double xp = passive->GetEnergy(p); |
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280 | |
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281 | //080409 TKDB |
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282 | //if( std::abs(std::abs(xp-xa)/xa)<0.001 ) p++; |
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283 | if ( !( xa == 0 ) && std::abs(std::abs(xp-xa)/xa)<0.001 ) p++; |
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284 | } else { |
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285 | tmp = active; |
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286 | t=a; |
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287 | active = passive; |
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288 | a=p; |
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289 | passive = tmp; |
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290 | p=t; |
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291 | } |
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292 | } |
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293 | while (a!=active->GetVectorLength()) |
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294 | { |
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295 | SetData(m, active->GetEnergy(a), active->GetXsec(a)); |
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296 | theManager.AppendScheme(m++, active->GetScheme(a)); |
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297 | a++; |
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298 | } |
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299 | while (p!=passive->GetVectorLength()) |
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300 | { |
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301 | if(std::abs(GetEnergy(m-1)-passive->GetEnergy(p))/passive->GetEnergy(p)>0.001) |
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302 | //if(std::abs(GetEnergy(m)-passive->GetEnergy(p))/passive->GetEnergy(p)>0.001) |
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303 | { |
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304 | SetData(m, passive->GetEnergy(p), passive->GetXsec(p)); |
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305 | theManager.AppendScheme(m++, active->GetScheme(p)); |
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306 | } |
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307 | p++; |
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308 | } |
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309 | } |
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310 | |
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311 | void Merge(G4InterpolationScheme aScheme, G4double aValue, |
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312 | G4NeutronHPVector * active, G4NeutronHPVector * passive); |
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313 | |
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314 | G4double SampleLin() // Samples X according to distribution Y, linear int |
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315 | { |
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316 | G4double result; |
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317 | if(theIntegral==0) IntegrateAndNormalise(); |
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318 | if(GetVectorLength()==1) |
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319 | { |
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320 | result = theData[0].GetX(); |
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321 | } |
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322 | else |
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323 | { |
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324 | G4int i; |
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325 | G4double rand = G4UniformRand(); |
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326 | |
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327 | // this was replaced |
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328 | // for(i=1;i<GetVectorLength();i++) |
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329 | // { |
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330 | // if(rand<theIntegral[i]/theIntegral[GetVectorLength()-1]) break; |
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331 | // } |
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332 | |
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333 | // by this (begin) |
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334 | for(i=GetVectorLength()-1; i>=0 ;i--) |
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335 | { |
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336 | if(rand>theIntegral[i]/theIntegral[GetVectorLength()-1]) break; |
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337 | } |
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338 | if(i!=GetVectorLength()-1) i++; |
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339 | // until this (end) |
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340 | |
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341 | G4double x1, x2, y1, y2; |
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342 | y1 = theData[i-1].GetX(); |
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343 | x1 = theIntegral[i-1]; |
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344 | y2 = theData[i].GetX(); |
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345 | x2 = theIntegral[i]; |
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346 | if(std::abs((y2-y1)/y2)<0.0000001) // not really necessary, since the case is excluded by construction |
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347 | { |
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348 | y1 = theData[i-2].GetX(); |
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349 | x1 = theIntegral[i-2]; |
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350 | } |
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351 | result = theLin.Lin(rand, x1, x2, y1, y2); |
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352 | } |
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353 | return result; |
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354 | } |
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355 | |
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356 | G4double Sample(); // Samples X according to distribution Y |
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357 | |
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358 | G4double * Debug() |
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359 | { |
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360 | return theIntegral; |
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361 | } |
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362 | |
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363 | inline void IntegrateAndNormalise() |
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364 | { |
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365 | G4int i; |
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366 | if(theIntegral!=0) return; |
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367 | theIntegral = new G4double[nEntries]; |
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368 | if(nEntries == 1) |
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369 | { |
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370 | theIntegral[0] = 1; |
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371 | return; |
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372 | } |
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373 | theIntegral[0] = 0; |
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374 | G4double sum = 0; |
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375 | G4double x1 = 0; |
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376 | G4double x0 = 0; |
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377 | for(i=1;i<GetVectorLength();i++) |
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378 | { |
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379 | x1 = theData[i].GetX(); |
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380 | x0 = theData[i-1].GetX(); |
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381 | if (std::abs(x1-x0) > std::abs(x1*0.0000001) ) |
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382 | { |
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383 | sum+= 0.5*(theData[i].GetY()+theData[i-1].GetY())* |
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384 | (x1-x0); |
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385 | } |
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386 | theIntegral[i] = sum; |
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387 | } |
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388 | G4double total = theIntegral[GetVectorLength()-1]; |
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389 | for(i=1;i<GetVectorLength();i++) |
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390 | { |
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391 | theIntegral[i]/=total; |
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392 | } |
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393 | } |
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394 | |
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395 | inline void Integrate() |
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396 | { |
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397 | G4int i; |
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398 | if(nEntries == 1) |
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399 | { |
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400 | totalIntegral = 0; |
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401 | return; |
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402 | } |
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403 | G4double sum = 0; |
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404 | for(i=1;i<GetVectorLength();i++) |
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405 | { |
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406 | if(std::abs((theData[i].GetX()-theData[i-1].GetX())/theData[i].GetX())>0.0000001) |
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407 | { |
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408 | G4double x1 = theData[i-1].GetX(); |
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409 | G4double x2 = theData[i].GetX(); |
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410 | G4double y1 = theData[i-1].GetY(); |
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411 | G4double y2 = theData[i].GetY(); |
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412 | G4InterpolationScheme aScheme = theManager.GetScheme(i); |
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413 | if(aScheme==LINLIN||aScheme==CLINLIN||aScheme==ULINLIN) |
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414 | { |
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415 | sum+= 0.5*(y2+y1)*(x2-x1); |
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416 | } |
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417 | else if(aScheme==LINLOG||aScheme==CLINLOG||aScheme==ULINLOG) |
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418 | { |
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419 | G4double a = y1; |
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420 | G4double b = (y2-y1)/(std::log(x2)-std::log(x1)); |
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421 | sum+= (a-b)*(x2-x1) + b*(x2*std::log(x2)-x1*std::log(x1)); |
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422 | } |
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423 | else if(aScheme==LOGLIN||aScheme==CLOGLIN||aScheme==ULOGLIN) |
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424 | { |
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425 | G4double a = std::log(y1); |
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426 | G4double b = (std::log(y2)-std::log(y1))/(x2-x1); |
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427 | sum += (std::exp(a)/b)*(std::exp(b*x2)-std::exp(b*x1)); |
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428 | } |
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429 | else if(aScheme==HISTO||aScheme==CHISTO||aScheme==UHISTO) |
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430 | { |
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431 | sum+= y1*(x2-x1); |
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432 | } |
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433 | else if(aScheme==LOGLOG||aScheme==CLOGLOG||aScheme==ULOGLOG) |
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434 | { |
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435 | G4double a = std::log(y1); |
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436 | G4double b = (std::log(y2)-std::log(y1))/(std::log(x2)-std::log(x1)); |
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437 | sum += (std::exp(a)/(b+1))*(std::pow(x2,b+1)-std::pow(x1,b+1)); |
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438 | } |
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439 | else |
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440 | { |
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441 | throw G4HadronicException(__FILE__, __LINE__, "Unknown interpolation scheme in G4NeutronHPVector::Integrate"); |
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442 | } |
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443 | |
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444 | } |
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445 | } |
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446 | totalIntegral = sum; |
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447 | } |
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448 | |
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449 | inline G4double GetIntegral() // linear interpolation; use with care |
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450 | { |
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451 | if(totalIntegral<-0.5) Integrate(); |
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452 | return totalIntegral; |
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453 | } |
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454 | |
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455 | inline void SetInterpolationManager(const G4InterpolationManager & aManager) |
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456 | { |
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457 | theManager = aManager; |
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458 | } |
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459 | |
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460 | inline const G4InterpolationManager & GetInterpolationManager() const |
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461 | { |
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462 | return theManager; |
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463 | } |
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464 | |
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465 | inline void SetInterpolationManager(G4InterpolationManager & aMan) |
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466 | { |
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467 | theManager = aMan; |
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468 | } |
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469 | |
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470 | inline void SetScheme(G4int aPoint, const G4InterpolationScheme & aScheme) |
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471 | { |
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472 | theManager.AppendScheme(aPoint, aScheme); |
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473 | } |
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474 | |
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475 | inline G4InterpolationScheme GetScheme(G4int anIndex) |
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476 | { |
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477 | return theManager.GetScheme(anIndex); |
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478 | } |
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479 | |
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480 | G4double GetMeanX() |
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481 | { |
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482 | G4double result; |
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483 | G4double running = 0; |
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484 | G4double weighted = 0; |
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485 | for(G4int i=1; i<nEntries; i++) |
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486 | { |
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487 | running += theInt.GetBinIntegral(theManager.GetScheme(i-1), |
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488 | theData[i-1].GetX(), theData[i].GetX(), |
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489 | theData[i-1].GetY(), theData[i].GetY()); |
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490 | weighted += theInt.GetWeightedBinIntegral(theManager.GetScheme(i-1), |
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491 | theData[i-1].GetX(), theData[i].GetX(), |
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492 | theData[i-1].GetY(), theData[i].GetY()); |
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493 | } |
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494 | result = weighted / running; |
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495 | return result; |
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496 | } |
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497 | |
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498 | /* |
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499 | void Block(G4double aX) |
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500 | { |
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501 | theBlocked.push_back(aX); |
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502 | } |
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503 | |
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504 | void Buffer(G4double aX) |
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505 | { |
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506 | theBuffered.push_back(aX); |
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507 | } |
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508 | */ |
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509 | |
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510 | std::vector<G4double> GetBlocked() {return theBlocked;} |
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511 | std::vector<G4double> GetBuffered() {return theBuffered;} |
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512 | |
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513 | // void SetBlocked(const std::vector<G4double> &aBlocked) {theBlocked = aBlocked;} |
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514 | // void SetBuffered(const std::vector<G4double> &aBuffer) {theBuffered = aBuffer;} |
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515 | |
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516 | G4double Get15percentBorder(); |
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517 | G4double Get50percentBorder(); |
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518 | |
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519 | private: |
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520 | |
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521 | void Check(G4int i); |
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522 | |
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523 | G4bool IsBlocked(G4double aX); |
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524 | |
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525 | private: |
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526 | |
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527 | G4NeutronHPInterpolator theLin; |
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528 | |
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529 | private: |
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530 | |
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531 | G4double totalIntegral; |
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532 | |
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533 | G4NeutronHPDataPoint * theData; // the data |
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534 | G4InterpolationManager theManager; // knows how to interpolate the data. |
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535 | G4double * theIntegral; |
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536 | G4int nEntries; |
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537 | G4int nPoints; |
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538 | G4double label; |
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539 | |
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540 | G4NeutronHPInterpolator theInt; |
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541 | G4int Verbose; |
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542 | // debug only |
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543 | G4int isFreed; |
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544 | |
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545 | G4NeutronHPHash theHash; |
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546 | G4double maxValue; |
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547 | |
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548 | std::vector<G4double> theBlocked; |
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549 | std::vector<G4double> theBuffered; |
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550 | G4double the15percentBorderCash; |
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551 | G4double the50percentBorderCash; |
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552 | |
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553 | }; |
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554 | |
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555 | #endif |
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