Gabriele Cosmo
216 lines
9.1 KiB
Plaintext
216 lines
9.1 KiB
Plaintext
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Geant4 9.4 - patch-01 Release Notes
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-----------------------------------
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18 February 2011
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List of fixes included in this public patch since the public release 9.4:
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o Configuration:
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-------------
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+ Configure script:
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o Fixed restoring of default settings for XercesC.
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Corrected duplication of text in setup dump.
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Addressing problem reports #1159 and #1160.
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+ Darwin-g++.gmk: fix to avoid mixing of OpenGL X11 and framework.
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o Event:
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-----
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+ Added resetting of 'abortRequested' flag at start of DoProcessing()
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in G4EventManager. Addressing to problem report #1169.
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o Geometry:
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--------
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+ solids/CSG:
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o G4Cons: fix in DistanceToIn(p,v,..) to squared tolerance in comparison.
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Replaced calculation of the solution for the quadratic equation, to use
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safe formula, in order to avoid numerical errors when b is almost equal
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to sqrt(d). Addressing problem report #1153.
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o Global:
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------
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+ Extended length of internal arrays in G4Pow from 256 to 512.
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Allows to fix numerical problems observed in some ion/ion collision tests.
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+ Use unsigned-int for table size type in G4PhysicsTable. Fixes a problem
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for data persistency.
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+ Changed date for patch-01 to release 9.4.
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o Graphical Representations:
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-------------------------
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+ Fixes to G4Visible operators against possible zero pointers and minor
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memory leaks. Fixed more minor Coverity reports.
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o Particles:
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---------
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+ Register BetaDecay for anti_neutron though anti_neutron keeps as "stable"
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with finite life-time, to avoid run-time warnings as reported by CMS.
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+ Defined error codes for G4Exceptions.
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o Persistency:
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-----------
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+ Fixed dumping of pressure and state for materials in ASCII module,
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and added enumeration of units.
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+ Correction in G4GDMLWriteMaterials::MaterialWrite() to properly treat
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export of materials with single element defined as isotope composition.
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o physics_lists:
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-------------
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+ G4EmStandardPhysics_option1: fixed missing line defining polar angle
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limit, responsible for significant CPU penalty in single scattering
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of muons.
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+ Fix in QGSP_BERT_NOLEP and QGSP_QEL for missing inclusion of
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G4HadronQElasticPhysics header.
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+ Corrected shielding physics-list to include correct header for HP
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hadron elastic. Addressing problem report #1166.
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o Low-energy Electromagnetic Processes:
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------------------------------------
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+ G4UAtomicDeexcitation, G4empCrossSection, G4teoCrossSection,
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G4VhShellCrossSection: fixed inefficiency in computation of ionisation
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cross-sections; added extra protections for limited usage of a model in
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applicability range.
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+ Fixed Coverity defects for G4Penelope08 models, G4EMDataSet, G4ShellData
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and G4DNA classes.
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+ Moved constructor and destructor to source in G4VEMDataSet.
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+ Fixed memory leak in G4CrossSectionHandler.
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Fixed memory leaks at initialisation in several classes.
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o Standard Electromagnetic Processes:
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----------------------------------
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+ Muons:
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o G4ErrorEnergyLoss: fixed initialisation in constructor, addressing a
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problem identified on Windows.
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+ Standard:
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o G4KleinNishinaModel: improved computation of kinematics.
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o G4GoudsmitSaundersonMscModel, G4UrbanMscModel90, G4UrbanMscModel92,
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G4UrbanMscModel93: use recommended method Value() to access transport
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cross section instead of obsolete GetValue().
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o G4IonCoulombScatteringModel, G4GoudsmitSaundersonMscModel,
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G4GoudsmitSaundersonTable: fixed Coverity warnings for data
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initialisation.
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o G4PEEffectFluoModel: fixed K-shell selection (was off by mistake).
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o G4MollerBhabhaModel: fixed expression for computation of positron dEdx
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according to PDG formula and original paper.
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+ Utils:
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o G4VEmModel: reduced memory 2 times for element selectors data, as for
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ATLAS report. Fixed problem of de-excitation flags, allowing settings
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by user command.
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o G4LossTableManager: fixed problem happening at initilisation, for the
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case when Bremsstrahlung process is instantiated but not added to
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physics list.
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o G4EmCalculator, G4VAtomDeexcitation, G4EnergyLossMessenger: cleaned
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logic of activation of deexcitation and computation of ionisation
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cross-sections.
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o G4VEnergyLossProcess: fixed minor memory leak at initialisation.
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Fixed Coverity warnings in G4EnergyLossTables.
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o Hadronic Processes:
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------------------
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+ cross_sections:
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o G4NeutronCaptureXS: added protection for the case Ekin=0.
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o Added cross-section name to constructors, so that they can be retrieved
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for physics list print out.
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+ models/cascade:
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o G4ElementaryParticleCollider: added protection sampleCMcosFor2to2(),
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against potential divide-by-zero. Addresses rare cases (~10^-7) of
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FP exceptions.
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+ models/CHIPS:
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o Unlock inelastic h+p cross-sections below 1 GeV;
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K+ + p low energy inelastic CS blocking below 600 MeV/c.
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o Fix in photon-nuclear environment for Quasmons.
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o Added correct handling of splitting of target for (A>=2,Z=0).
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Added throwing of exception to signal NULL pointer.
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+ models/de_excitation:
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o G4ParaFissionModel: fixed initialisation of G4Fragment (A,Z order),
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use G4NucleiProperties to access mass.
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o Generic Processes:
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-----------------
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+ Cuts:
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o Added protection in G4ProductionCuts::SetProductionCuts() to check
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consistencies of size of given vector.
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o Defined error codes for G4Exceptions.
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+ Management:
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o Defined error codes for G4Exceptions. Some code cleanup.
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+ Parameterisation:
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o Added missing implementation of inlined method
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ProposePrimaryTrackFinalKineticEnergy() in G4FastStep.
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+ Transportation:
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o G4UserSpecialCuts: fixed bug in energy tracking cut; changed order of
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checks: 1st energy tracking cut, 2nd track length, 3d time cut,
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4th range for charged particles with non-zero mass.
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Removed unnecessary string comparisons.
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o G4CoupledTransportation: added missing EndTracking() method to reset
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the activated navigator list.
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o Physics Lists:
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-------------
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+ G4EmStandardPhysics_option1: fixed missing line defining polar angle
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limit, responsible for significant CPU penalty in single scattering of
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muons.
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+ Fix in QGSP_BERT_NOLEP and QGSP_QEL for missing inclusion of
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G4HadronQElasticPhysics header.
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o Run:
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---
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+ G4RunManager: added protection for WIN32 against already existing
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directory when saving random seeds. Addressing problem report #1157.
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o Examples:
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--------
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+ Updated reference outputs.
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+ Fixed use of 3Vector in some advanced examples, causing compilation error.
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+ advanced/composite_calorimeter, lAr_calorimeter:
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o Updated physics lists.
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+ advanced/human_phantom, underground_physics:
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o Some code cleanup.
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+ extended/biasing/ReverseMC01:
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o Added protection for unitialised mean&error in
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RMC01AnalysisManager::ComputeMeanEdepAndError().
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+ extended/electromagnetic/TestEm5, TestEm7, TestEm11, TestEm12:
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o Minor cleanup of SS physics constructor.
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+ extended/electromagnetic/TestEm9:
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o Added extra run with 20 GeV mu- into input macro TestEm9.in.
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+ extended/eventgenerator/particleGun:
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o Fixed Aida file-option in HistoManager.
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+ extended/medical/electronScattering, fanoCavity, fanoCavity2:
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o Minor cleanup of SS physics constructor.
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+ extended/medical/electronScattering2:
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o Added physics builders from electronScattering example.
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+ extended/optical/wls:
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o Added missing inclusion of <ctime> header in WLSRunAction, to allow
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for compilation on Windows.
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+ extended/parameterisations/gflash:
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o Corrections in use of namespaces to allow for compilation on Windows.
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Some cleanup.
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+ extended/persistency/P03:
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o Added batch.mac input macro, replacing use of OGL vis driver by ASCII.
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+ extended/radioactivedecay/rdecay01:
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o Modified PhysicsList, setting ARM to false.
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o Print global time from SteppingVerbose.
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o Fixed Aida file-option in HistoManager.
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o Added macro Co60.mac.
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+ novice/N02, N03:
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o Changed step-point size in visualization macro to 1.
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+ novice/N05:
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o Fix in ExN05DetectorConstruction::SetProductionCuts() in array
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initialisation.
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----------------------------------------------------------------------------
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Technical Notes
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---------------
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o This patch should be applied on top of relese 9.4.
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o Technical notes distributed for release 9.4 are also applicable and
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valid for this patch.
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The code and rebuilt binary libraries for release 9.4 are available
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through our "Download" Web page:
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http://cern.ch/geant4/support/download.shtml
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Please refer to the Geant4 User Documentation:
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http://cern.ch/geant4/support/userdocuments.shtml
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for further information about using Geant4.
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