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| 1 | + |
| 2 | + Geant4 8.1 - patch-02 Release Notes |
| 3 | + ----------------------------------- |
| 4 | + |
| 5 | + 10 November 2006 |
| 6 | + |
| 7 | +List of fixes included in this public patch since the public release 8.1.p01: |
| 8 | + |
| 9 | + o Geometry: |
| 10 | + -------- |
| 11 | + + management |
| 12 | + o Added empty virtual method CheckOverlaps() to G4VPhysicalVolume to |
| 13 | + allow for proper overloading from subclasses. Implementation returns |
| 14 | + always 'false', which is the case for replicas. |
| 15 | + |
| 16 | + o Global: |
| 17 | + ------ |
| 18 | + + Corrected inclusion of CLHEP headers in wrapper files |
| 19 | + G4SystemOfUnits.hh and G4PhysicalConstants.hh. |
| 20 | + |
| 21 | + o Electromagnetic processes: |
| 22 | + ------------------------- |
| 23 | + + standard: |
| 24 | + o Fixed energy non-conservation in G4PAIModel for positrons. Fix also |
| 25 | + concerning 'Tmax' for electrons and positrons: 'Tmax' is defined |
| 26 | + now for each particle independently. |
| 27 | + o Fixed problem of positron zero incident energy in G4eeToTwoGammaModel. |
| 28 | + o Added extra protection inside G4BetheBlochModel. |
| 29 | + o Fixed problems and add comments in the classes prototype Coulomb |
| 30 | + elastic scattering: G4CoulombScattering, G4CoulombScatteringModel, |
| 31 | + G4eCoulombScatteringModel. Set default limit on scattering angle to |
| 32 | + zero. |
| 33 | + + utils: |
| 34 | + o G4VEnergyLossProcess: made LambdaPhysicsVector() method protected. |
| 35 | + o G4ionEffectiveCharge: added protection for NULL pointer to material. |
| 36 | + |
| 37 | + o Hadronic Processes: |
| 38 | + ------------------ |
| 39 | + + models/coherent_elastic: |
| 40 | + o Introduced NaN check inside G4HadronElastic, G4ChargeExchange, and |
| 41 | + G4UHadronElasticProcess. |
| 42 | + o Removed HP data from G4UHadronElasticProcess (it is set in physics |
| 43 | + lists); added low energy threshold of 20 MeV in G4HadronElastic for |
| 44 | + QElastic. For any particle with kinetic energy below 10 KeV, the |
| 45 | + primary particle is returned unchanged and no scattering is sampled. |
| 46 | + This prevents situations of low-energy neutrons scattering forever, |
| 47 | + and reduces precision in computing scattering for low-energy hadrons. |
| 48 | + + models/utils: |
| 49 | + o Reduced warning output from G4Fragment on negative excitation energy; |
| 50 | + a maximum of 10 warnings is printed now. |
| 51 | + o G4Fancy3DNucleus:ChoosePositions(): correctly use std::vector. |
| 52 | + Correction addressing problem report #887 on WIN32/VC8. |
| 53 | + o Removed meaningless 'const' qualifier from return type of method |
| 54 | + G4Fancy3DNucleusHelper(). |
| 55 | + |
| 56 | + o Particles: |
| 57 | + --------- |
| 58 | + + Fixed bug in G4ParticleDefinition constructor causing not filling quark |
| 59 | + contents when G4VERBOSE is not set. |
| 60 | + + Fixed bug in k2(1770) decay. Addresses problem report #894. |
| 61 | + |
| 62 | + o Persistency: |
| 63 | + ----------- |
| 64 | + + Get Rid of useless forward declarations in G4MCTEvent and |
| 65 | + G4MCTGenParticle header files. Clearing compilation warnings on |
| 66 | + icc-9.X compilers. |
| 67 | + |
| 68 | + o Track: |
| 69 | + ----- |
| 70 | + + Made G4StepPoint::operator=() inline for optimisation. |
| 71 | + |
| 72 | + o Physics Lists: |
| 73 | + ------------- |
| 74 | + + G4HadronElasticPhysics: added explicit inclusions of data headers |
| 75 | + in the header file. |
| 76 | + |
| 77 | + o Configuration: |
| 78 | + ------------- |
| 79 | + + Linux-icc: updated setup to support Intel icc compiler 9.X series. |
| 80 | + + liblist.c: added .dylib search for list of libraries. |
| 81 | + Addressing problem report #885. |
| 82 | + + architecture.gmk: added variables for commands: echo, cat, cut, sed; |
| 83 | + to be eventually overloaded in system dependent configurations. |
| 84 | + Overloaded variables for WIN32-VC to force usage of the original |
| 85 | + CygWin built-in commands. Use standard 'echo' command for Darwin-g++. |
| 86 | + Replaced system commands with variables defined at architecture level |
| 87 | + in source/GNUmakefile. |
| 88 | + |
| 89 | + o Examples: |
| 90 | + -------- |
| 91 | + + Updated reference outputs. |
| 92 | + + advanced/underground_physics |
| 93 | + o Fixed bug: removed uninitialized 'UserLimitsForXenon'. |
| 94 | + + extended/analysis/AnaEx01 |
| 95 | + o Corrected text in README for AIDA setup. |
| 96 | + |
| 97 | + ---------------------------------------------------------------------------- |
| 98 | + |
| 99 | + Technical Notes |
| 100 | + --------------- |
| 101 | + |
| 102 | + o This patch should be applied on top of release 8.1.p01 |
| 103 | + o Technical notes distributed for release 8.1 are also applicable and |
| 104 | + valid for this patch. |
| 105 | + |
| 106 | +The code and rebuilt binary libraries for release 8.1.p02 are available |
| 107 | +through our "Source Code" Web page: |
| 108 | + http://cern.ch/geant4/support/download.shtml |
| 109 | + |
| 110 | +Please refer to the Geant4 User Documentation: |
| 111 | + http://cern.ch/geant4/support/userdocuments.shtml |
| 112 | +for further information about using Geant4. |
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