Gabriele Cosmo
217 lines
9.0 KiB
Plaintext
217 lines
9.0 KiB
Plaintext
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Geant4 9.6 - patch-02 Release Notes
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-----------------------------------
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17 May 2013
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List of fixes included in this public patch since the public release 9.6.p01:
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o Error Propagation:
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-----------------
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+ Introduced fixes for problem reports #1435, #1447, #1448 and #1453.
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+ Fixed memory leak in G4ErrorPropagator::PropagateOneStep() for track
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creation at the first step. Addresses problem report #1466.
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Corrected composed printout. Removed unused data.
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o Event:
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-----
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+ Ensure deletion of "angsigmayCmd1" G4UIcommand instance in destructor
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of G4GeneralParticleSourceMessenger, fixing minor memory leak.
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+ Removed unused variables in G4AdjointPosOnPhysVolGenerator,
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G4AdjointPosOnPhysVolGenerator, G4GeneralParticleSource,
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G4SPSEneDistribution, and G4SPSRandomGenerator.
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o G3toG4:
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------
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+ Fixed missing inclusion of <assert.h> in G3Division source.
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o Geometry:
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--------
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+ divisions:
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o Corrected G4PVDivisionFactory instance accessor.
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o Corrected composed cout in exceptions for G4ParameterisationBox
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and G4ParameterisationTrd.
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+ magneticfield:
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o Updated numerical value of the neutron anomaly in G4Mag_SpinEqRhs.
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o Removed unused private data-members in G4Mag_UsualEqRhs and
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G4RKG3_Stepper.
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+ solids/CSG:
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o Fix in G4Cons::DistanceToIn(p,v) for initialisation of 'dRmax'
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for the case of shape with Rmin1=Rmax1=0.
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+ solids/specific:
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o Fix in G4ExtrudedSolid::IsSameLine() to use the perpendicular
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distance to a line when deciding, and not the y-intercept difference.
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Issue responsible for a problem observed in ATLAS in a Boolean
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subtraction composition.
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o Fix in calculation of normal in G4Tet::DistanceToOut(p,v,..) and
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SurfaceNormal(p).
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o Fix in G4Polycone::GetPointOnCone() for cases of shape with decreasing
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Z. Fixes cases of false report for overlaps detection.
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Added check with exception in constructor for polycone with
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rInner > rOuter for the same Z.
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Addressing problem report #1462.
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o G4TessellatedSolid: fixed problem with navigation in solids with
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concave surfaces. Addresses problem report #1456.
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o Removed unused private data member in G4TwistTrapParallelSide.
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o Global:
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------
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+ G4Pow: fixed bug in interpolation inside logA() and A13() methods,
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now interpolation is accurate at better than per mille level; in worse
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cases (x~1.45 or x~0.75) better than 2% level.
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+ Minor changes to G4ConvergenceTester: output can now optionally be
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redirected a different stream (defaults is cout).
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Accessors are made public and check if data has been added.
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+ Removed unused private members in G4JTPolynomialSolver.
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+ Updated date and version for 9.6.p02.
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o Graphics Representations:
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------------------------
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+ HepPolyhedron: introduced 'spatialTolerance' constant, equal to 0.01*nm,
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allowing for creation of nm-sized objects.
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Addresses problem report #1452.
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o Electromagnetic Processes:
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-------------------------
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+ Adjoint:
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o G4AdjointhMultipleScattering: use msc95 instead of obsolete msc90.
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o Removed unused variables detected with clang compilation warnings.
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+ Muons:
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o G4MuPairProductionModel, G4MuBremsstrahlungModel: fixed rare case
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of division by zero in cross-section computation.
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Addressing problem report #1471.
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+ Polarisation
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o G4PolarizedComptonCrossSection: removed unused class members.
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+ Standard:
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o G4UrbanMscModel93/95/96: disabled 'sampleZ' option by default (this
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option enables/disables sampling of true step length); helps in
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removing rare cases of e+- interactions/decay on geometry boundary
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and observed zero step length; a minor (~0.1%) change in sampling
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calorimeter response is expected.
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Correctly use "static const" for const parameters (minor CPU
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speedup).
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o G4WentzelOKandVIxSection: use different screening parameter formula
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for e+- and other charged particles, improving agreement with data
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both for e+- and muons.
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o Generic Processes:
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-----------------
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+ parameterisation:
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o Fixed MacOS Clang compiler warning for unused private variable in
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G4FastSimulationManagerProcess.
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+ Scoring:
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o Set verbosity to false in G4ParallelWorldProcess for navigation
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in parallel and mass world, reducing warning messages.
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+ Transportation:
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o G4CoupledTransportation: corrected condition for warning message
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in AlongStepDoIt().
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o G4CoupledTransportation, G4Transportation: removed unnecessary
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static local variables.
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o Removed unused data members causing compilation warnings in
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MacOS clang.
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o Hadronic Processes:
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------------------
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+ cross_sections:
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o G4HadronFissionDataSet: always return zero (only HP may simulate
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fission as a separate process).
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+ models/im_r_matrix:
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o Fix in G4MesonAbsorption for loss of optimisation shortcut.
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Addressing problem report #1416.
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o Fix in G4CollisionMesonBaryonElastic::IsInCharge(): method always
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returned false, effectively blocking meson-baryon elastic.
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Expect to change distributions. Addressing problem report #1415.
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+ models/lll_fission:
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o Fixed MacOS Clang compiler warning for appending int to string
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in G4SmpWatt.
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+ models/neutron_hp:
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o Fixed MacOS clang compiler warnings for unused private variables.
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+ models/parton_string/diffraction:
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o Fix in G4FTFModel::PutOnMassShell() for K^+ Fe interactions at
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T=4.6748 GeV, resolving observed cases of loops in central collision
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due to sum of the excitation energy and energies of the ejected
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nucleons larger than the initial energy (energy-momentum
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non-conservation). Addressing problem report #1459.
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+ models/qmd:
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o Fixed MacOS Clang compiler warnings for unused private variables in
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G4QMDCollision.
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+ models/utils:
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o G4NuclearFermiDensity: removed unused data member.
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+ stopping:
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o G4EmCaptureCascade: fixed array initialisation.
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o G4MuonMinusBoundDecay: improved muon capture rate data/lookup and
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calculation of bound muon decay rate.
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Corrected calculations and lookup of MuonCaptureRate in
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G4StopElementSelector. Addresses problem report #1457.
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o Parameterisations/gflash
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------------------------
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+ Fixed compilation warning in clang for unused data member in
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GFlashShowerModelMessenger.
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o Particles:
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---------
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+ Removed unused variable of thePDGiSpin from G4PDGCodeChecker.
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o Persistency:
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-----------
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+ ascii:
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o Corrected problem in placement of an assembly in G4tgbVolume.
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Addressing problem report #1433.
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o Removed unused data member in G4tgbRotationMatrix.
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o Corrected composed text in exception in G4tgrSolidBoolean.
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+ gdml:
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o Removed unused data member in G4STRead.
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+ mctruth:
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o Removed unused data member in G4PersistencyCenter.
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o Physics Lists:
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-------------
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+ Increased low limit from 10 eV to 100 eV in G4EmStandardPhysics_option4,
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to fix range of electrons at low energy.
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+ G4EmLivermorePhysics: increased low limit to 100 eV and number of bins
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for tables to 220 to avoid problems in Livermore ionisation for
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electron stopping powers and ranges.
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o Track:
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-----
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+ Fix in G4ParticleChange for velocity of neutrons and recoil in elastic
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scattering; correspondingly, fixed time of neutron hits in calorimeters.
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Addressing problem report #1451.
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+ G4ParticleChangeForEloss, G4ParticleChangeForGamma: clean up
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computation of velocity (expected little performance improvement).
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o Tracking:
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--------
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+ Fix in G4SteppingManager to allow for proper handling of multiple AtRest
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processes. Addressing problem report #1397.
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o Examples:
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--------
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+ Updated reference outputs.
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+ advanced/composite_calorimeter:
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o Fixed compilation error in main() for missing inclusion of
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G4UImanager header. Fixed compilation warnings for
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variables/parameters shadowing.
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+ advanced/lAr_calorimeter:
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o Fixed bug in the primary generator, causing event abortion.
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+ novice/N02:
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o ExN02PhysicsList: added ions. Addressing problem report #1444.
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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 release 9.6.
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o Technical notes distributed for release 9.6 are also applicable and
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valid for this patch.
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The code and rebuilt binary libraries for release 9.6.p02 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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