1 | |
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2 | Geant4 9.0 - patch-01 Release Notes |
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3 | ----------------------------------- |
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4 | |
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5 | 28 August 2007 |
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6 | |
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7 | List of fixes included in this public patch since the public release 9.0: |
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8 | |
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9 | o Configuration: (*) |
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10 | ------------- |
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11 | + liblist.c: fixed problem affecting recent CygWin installations on |
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12 | Windows in parsing the buffer for the generation of libname.map. |
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13 | + binmake.gmk: defined OUT internal variable specifying the proper |
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14 | compilation/linking option to Unix or Windows compilers: '-o ' |
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15 | and '/Fe' respectively. Cleared <TAB> characters where not necessary. |
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16 | + SUN-CC.gmk: forced -xO2 as optimisation level. |
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17 | |
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18 | o Geometry: |
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19 | -------- |
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20 | + magneticfield: |
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21 | o Fix to DistChord() method for Helical Steppers: adopt 'special' case |
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22 | also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to |
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23 | improve CPU performance. |
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24 | o In G4HelixMixedStepper added possibility to call different steppers |
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25 | for small steps and add some statistics how offen different steppers |
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26 | are called. Improved AdvanceHelix() to be able to make half step and |
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27 | full step in one call. |
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28 | o G4RKG3_Stepper: improved internal algorithm to use pre-computed values; |
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29 | the stepper now gives comparable CPU performance as ClassicalRK4. |
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30 | o Changed FatalException to EventMustBeAborted in AccurateAdvance() |
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31 | if proposed integration step is negative. (*) |
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32 | + management: |
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33 | o Added dummy constructor and destructor to G4VPVParameterisation. |
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34 | + solids/BREPS: |
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35 | o Added missing initialisations of kCarTolerance in alternative |
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36 | constructors for G4BoundingBox3D, G4Curve, G4CurveRayIntersection, |
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37 | G4KnotVector. Addressing problem report #959. |
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38 | + solids/CSG: |
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39 | o G4Tubs: fixed bug in DistanceToOut(p,v,..) for negative value under |
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40 | sqrt() for the case of point p on the surface and v tangent to the |
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41 | surface. Responsible for rare cases of NaN. |
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42 | + solids/specific: |
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43 | o Fixes in G4Polyhedra::GetPointOnSurface(): (*) |
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44 | Correctly treat 'totalPhi' instead of 'endPhi' for the case of open |
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45 | shapes and 'twopi' for not open shapes. |
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46 | Introduced fix for the case when number of sectors (numSide) is equal |
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47 | to 1. At the origin of problems observed when checking overlaps for |
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48 | polyhedra solids defined as such. |
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49 | o Fixed dummy constructors of G4Polycone and G4PolyPhiFace for |
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50 | initialisation of 'edges' and 'corners'. Added workaround to |
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51 | initialisation of 'corners' vector in G4PolyconeSide class, to allow |
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52 | for object persistency with Root-I/O. |
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53 | o G4EllipticalCone: |
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54 | - DistanceToIn(p): corrected answer for p.z()<-zTopCut and for the |
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55 | point p on the surface. |
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56 | - DistanceToOut(p,v): now returning positive solution or zero when |
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57 | crossing the elliptical surface. |
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58 | - Fix in DistanceToOut(p) which was giving always zero. |
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59 | - Added some formulas on how to pre-calculate 'SemiAxis' and 'zheight'. |
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60 | |
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61 | o Global: |
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62 | ------ |
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63 | + Changed date for patch-01 to release 9.0. |
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64 | |
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65 | o Graphics Representations: |
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66 | ------------------------ |
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67 | + Corrected graphical description for G4EllipticalCone in HepPolyhedron |
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68 | and G4Polyhedron. |
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69 | + G4VGraphicsScene: Added default constructor and virtual destructor. |
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70 | |
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71 | o Intercoms: |
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72 | --------- |
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73 | + G4UIbatch: |
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74 | o Bug fixed for the treatment of the last line. |
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75 | o Added support for continued line by '\', '_'. |
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76 | o String after '#' is treated as comment. |
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77 | o White spaces at the head of a line are allowed. |
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78 | o Fixed problem on 32bit-Linux. |
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79 | + G4UImanager: fixed bug concerning invalid returned object. |
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80 | + Introduced "/control/getEnv" and "/control/echo" commands. |
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81 | |
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82 | o Electromagnetic Processes: |
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83 | ------------------------- |
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84 | + Polarisation: |
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85 | o Removed/renamed obsolete methods and local variables in |
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86 | classes G4VPolarizedCrossSection, G4eplusPolarizedAnnihilation, |
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87 | and G4PolarizedAnnihilationModel to clear "shadow" warnings on SUN-CC. |
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88 | + Standard: |
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89 | o G4UniversalFluctuation: added protection such that no sampling of |
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90 | fluctuations is done if mean energy loss at the step is below minimal |
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91 | excitation energy of the media. The fix is important for cases of |
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92 | low-dense gases and very small steps. |
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93 | + Utils: |
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94 | o G4VEmModel: fixed SelectRandomAtom() method for the selection of |
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95 | elements in a compound material. |
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96 | + Xrays: |
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97 | o G4VXTRenergyLoss: fixed Valgrind run-time errors for wrong memory |
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98 | allocation by removing internal initialisation of Sandia table and |
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99 | using Sandia table from materials. |
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100 | |
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101 | o Hadronic Processes: |
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102 | ------------------ |
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103 | + models/chiral_inv_phase_space: (*) |
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104 | o G4QuasiFreeRatios: fixed DB filling (ID update), responsible for |
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105 | excessive growth of memory in long runs. Corrected indexing and |
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106 | computation of cos(theta). |
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107 | + models/neutron_hp: |
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108 | o G4NeutronHPThermalScattering: removed duplicate declaration of |
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109 | 'dirName', already a class member, to clear compilation warning. |
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110 | + models/util: |
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111 | o G4KineticTrack: changed local variable names to clear compilation |
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112 | warnings on SUN-CC about hiding. |
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113 | + stopping: |
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114 | o Fixed signature of G4MuMinusCaptureCascade::DoCascade() expecting |
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115 | 'const' as arguments for A and Z. Resolves linking problems on SUN-CC. |
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116 | |
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117 | o Visualization: |
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118 | ------------- |
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119 | + Removed redundant method declarations and minor tidies. |
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120 | |
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121 | o Environments: |
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122 | ------------ |
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123 | + Minor bug fixes to G4Py module; updated geometry wrappers and TestEm0 |
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124 | example. |
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125 | |
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126 | o Examples: |
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127 | -------- |
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128 | + advanced/medical_linac: |
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129 | o Fixed problem report #880 in DetectorConstruction class. |
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130 | o Updated macros; reviewed seed initialisation and modified to use |
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131 | default multiple-scattering class instead of MultipleScattering52. |
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132 | + advanced/microbeam: |
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133 | o Improved dose calculation in the code in order to take into account |
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134 | small energy deposits by any particle around the phantom edge voxels, |
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135 | by suppressing a selection condition on the PostStep. The total result |
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136 | of the dose calculation does not change significantly. |
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137 | o Added protection against scattering at large angles in collimators. |
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138 | o Suppressed field manager in zones with zero field. |
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139 | o Use 'kUndefined' optimization in cell phantom implementation. |
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140 | o Changed number of incident alpha particles in microbeam.mac. |
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141 | + advanced/underground_physics: |
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142 | o Added missing header file G4hIonisation.hh to DMXPhysicsLists |
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143 | translation unit. |
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144 | o Added G4StepLimiter to physics list as correction of migration |
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145 | required since Geant4 release 7.0. |
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146 | + extended/electromagnetic/TestEm7: |
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147 | o Updated README for physics-list names. |
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148 | + extended/electromagnetic/TestEm8: |
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149 | o Fixed PAI physics constructors: energy loss processes should be |
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150 | active post step. |
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151 | o Create VisManager only for interactive session, improved destructor |
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152 | of Em8DetectorConstruction class. |
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153 | + extended/electromagnetic/TestEm10: |
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154 | o Create VisManager only for interactive session, improved destructor |
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155 | of Em10DetectorConstruction class. |
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156 | + extended/electromagnetic/TestEm13: |
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157 | + extended/electromagnetic/TestEm14: |
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158 | o SteppingAction : modify logic to take into account low energy packages. |
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159 | + extended/medical/fanoCavity: |
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160 | o Use 'fUseDistanceToBoundary' in physics-list for 'emOptions'. Cleanup. |
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161 | + extended/medical/GammaTherapy: |
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162 | o Provide possibility to change cuts between runs. |
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163 | + extended/radioactivedecay/exrdm: |
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164 | o Removed obsolete hadronic builders and use only QGSP_BIC, |
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165 | QGSP_BIC_HP, QGSP_BERT, QGSP_BERT_HP instead. |
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166 | + novice/N02: |
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167 | o Fixed implementation of ExN02MagneticField class in way field is set. |
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168 | |
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169 | |
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170 | (*) Fixes also included in the patched release 8.3.p01. |
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171 | |
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172 | ---------------------------------------------------------------------------- |
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173 | |
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174 | Technical Notes |
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175 | --------------- |
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176 | |
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177 | o This patch should be applied on top of release 9.0 |
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178 | o Technical notes distributed for release 9.0 are also applicable and |
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179 | valid for this patch. |
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180 | |
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181 | The code and rebuilt binary libraries for release 9.0 are available |
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182 | through our "Download" Web page: |
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183 | http://cern.ch/geant4/support/download.shtml |
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184 | |
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185 | Please refer to the Geant4 User Documentation: |
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186 | http://cern.ch/geant4/support/userdocuments.shtml |
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187 | for further information about using Geant4. |
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