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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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18 | // * This code implementation is the result of the scientific and * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // $Id: G4LPhysicsFreeVector.icc,v 1.7 2006/06/29 19:02:10 gunter Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
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29 | // |
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30 | // |
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31 | // ------------------------------------------------------------------ |
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32 | // |
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33 | // Class G4LPhysicsFreeVector -- source file |
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34 | // |
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35 | // Derived from base class G4PhysicsVector |
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36 | // This is a free vector for Low Energy Physics cross section data. |
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37 | // The class name includes an "L" to distinguish it from other groups |
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38 | // who may wish to implement a free vector in a different way. |
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39 | // A subdivision method is used to find the energy|momentum bin. |
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40 | // |
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41 | // F.W. Jones, TRIUMF, 04-JUN-96 |
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42 | // -------------------------------------------------------------------------- |
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43 | |
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44 | // G4PhysicsVector has PutValue() but it is inconvenient. |
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45 | // Want to simultaneously fill the bin and data vectors. |
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46 | |
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47 | inline |
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48 | void G4LPhysicsFreeVector::PutValues(size_t binNumber, |
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49 | G4double binValue, G4double dataValue) |
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50 | { |
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51 | binVector[binNumber] = binValue; |
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52 | dataVector[binNumber] = dataValue; |
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53 | } |
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54 | |
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55 | // Note that theEnergy could be energy, momentum, or whatever. |
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56 | // Note: GetValue() is no longer virtual in the parent class |
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57 | // G4PhysicsVector, so at present the following function cannot |
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58 | // be called through a base class pointer. |
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59 | |
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60 | inline |
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61 | G4double G4LPhysicsFreeVector::GetValue(G4double theEnergy, G4bool& isOutRange) |
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62 | { |
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63 | G4double returnValue = 0.; |
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64 | |
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65 | // verboseLevel = 2; |
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66 | |
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67 | if (theEnergy < edgeMin) |
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68 | { |
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69 | isOutRange = true; |
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70 | |
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71 | #ifdef G4VERBOSE |
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72 | if (verboseLevel > 1) |
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73 | { |
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74 | G4cout << "G4LPhysicsFreeVector::GetValue " << theEnergy |
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75 | << " " << dataVector[0] << " " << isOutRange << G4endl; |
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76 | } |
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77 | #endif |
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78 | returnValue = dataVector[0]; |
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79 | } |
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80 | else if (theEnergy > edgeMax) |
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81 | { |
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82 | isOutRange = true; |
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83 | |
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84 | #ifdef G4VERBOSE |
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85 | if (verboseLevel > 1) |
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86 | { |
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87 | G4cout << "G4LPhysicsFreeVector::GetValue " << theEnergy |
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88 | << " " << dataVector[numberOfBin - 1] |
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89 | << " " << isOutRange << G4endl; |
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90 | } |
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91 | #endif |
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92 | returnValue = dataVector[numberOfBin - 1]; |
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93 | } |
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94 | else |
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95 | { |
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96 | isOutRange = false; |
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97 | |
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98 | G4int n = FindBinLocation(theEnergy); |
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99 | |
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100 | G4double dsde = (dataVector[n + 1] - dataVector[n])/ |
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101 | (binVector[n + 1] - binVector[n]); |
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102 | #ifdef G4VERBOSE |
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103 | if (verboseLevel > 1) |
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104 | { |
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105 | G4cout << "G4LPhysicsFreeVector::GetValue " << theEnergy |
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106 | << " " << dataVector[n] + (theEnergy - binVector[n])*dsde |
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107 | << " " << isOutRange << G4endl; |
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108 | } |
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109 | #endif |
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110 | returnValue = dataVector[n] + (theEnergy - binVector[n])*dsde; |
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111 | } |
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112 | return returnValue; |
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113 | } |
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114 | |
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115 | inline |
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116 | void G4LPhysicsFreeVector::SetVerboseLevel(G4int value) |
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117 | { |
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118 | verboseLevel = value; |
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119 | } |
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120 | |
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121 | inline |
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122 | G4int G4LPhysicsFreeVector::GetVerboseLevel(G4int) |
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123 | { |
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124 | return verboseLevel; |
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125 | } |
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126 | |
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127 | inline |
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128 | G4double G4LPhysicsFreeVector::GetLastEnergy() |
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129 | { |
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130 | return lastEnergy; |
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131 | } |
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132 | |
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133 | inline |
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134 | size_t G4LPhysicsFreeVector::GetLastBin() |
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135 | { |
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136 | return lastBin; |
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137 | } |
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138 | |
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139 | inline |
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140 | size_t G4LPhysicsFreeVector::FindBinLocation(G4double theEnergy) const |
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141 | { |
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142 | G4int n1 = 0; |
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143 | G4int n2 = numberOfBin/2; |
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144 | G4int n3 = numberOfBin - 1; |
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145 | while (n1 != n3 - 1) |
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146 | { |
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147 | if (theEnergy > binVector[n2]) |
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148 | { n1 = n2; } |
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149 | else |
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150 | { n3 = n2; } |
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151 | n2 = n1 + (n3 - n1 + 1)/2; |
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152 | } |
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153 | #ifdef G4VERBOSE |
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154 | if (verboseLevel > 1) |
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155 | { |
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156 | G4cout << "G4LPhysicsFreeVector::FindBinLocation: returning " |
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157 | << n1 << G4endl; |
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158 | } |
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159 | #endif |
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160 | return (size_t)n1; |
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161 | } |
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