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