Gabriele Cosmo
204 lines
9.0 KiB
Plaintext
204 lines
9.0 KiB
Plaintext
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Geant4 9.1 - patch-02 Release Notes
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-----------------------------------
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9 May 2008
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List of fixes included in this public patch since the public release 9.1.p01:
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o Configuration:
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-------------
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+ Fixed in liblist.c use of gets() by adopting safer fgets().
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+ Linux-icc.gmk: updated setup to make use of icc-10.1 and ifort-10.1;
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changed compilation option "-mp" to more performant "-fp_model precise".
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+ Linux-g++.gmk: Replaced g77 with gfortran compiler.
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o Environments:
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------------
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+ Fixed compilation problems.
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+ Make direct usage of tags in G4Version header.
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o Geometry:
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--------
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+ Cleared compilation warnings detected on gcc-4.3.0.
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+ magneticfield:
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o Fixed 'unused' non-initialized values of dydx in classes
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G4EqMagElectricField and G4EqEMFieldWithSpin.
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+ management:
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o Added missing protected copy-contructor and assignment operator
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for G4VSolid.
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o Added Shrink() and Reserve() methods to G4SmartVoxelNode to be used
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for debugging studies.
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+ navigation:
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o G4PathFinder: commented out warning and exception in ComputeStep()
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for steps smaller than minimum threshold.
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+ solids/CSG:
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o G4Cons: added protection against NaN in GetPointOnSurface() in the
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case the check is run for Rmax1==Rmax2.
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o G4Trap: corrections for arithmetic operations in 8-point constructor.
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Addressing problem report #934.
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+ solids/specific:
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o G4ExtrudedSolid: bug fix in MakeFacets() to fill 'fTriangles' also
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in case of polygon with 3 or 4 vertices, as they are needed for
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Inside(p). Fix in Inside(p) for correctly handling the case of
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points located on the edges of triangles which are not the outline
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edges of the polygon.
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o G4TessellatedSolid: fixed bug in copy-constructor and internal method
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CopyObjects() for cloning of facets. Fix in DistanceToOut(p,v,..) to
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compute normal only if specified by flag in input.
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o G4Polyhedra: fixed problem of out-of-bound access to vectors in
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method GetPointOnSurface().
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o G4IntersectingVone: added protection against NaN in LineHitsCone1()
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in case of configurations where a conic section becomes a tube.
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Added kCarTolerance in definition of "low" and "high" cone limits
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in R and in Z in order to protect against numerical errors; this
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fixes cases of DistanceToIn(p,v) returning 'kInfinity' when p+t*v
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cross intersection between two cones.
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o G4EllipticalCone: removed some debug printouts.
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o G4Hype: refined polyhedron representation for correct visualization
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of the shape.
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o Global:
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------
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+ Introduced inclusion of <cstring> and <climits> in G4String.hh and
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templates.hh respectively for porting on gcc-4.3.0 compiler.
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+ Cleared compilation warnings detected on gcc-4.3.0
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+ Removed useless specification of units in implementation of
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G4GeometryTolerance::SetSurfaceTolerance().
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+ Changed date for patch-02 to release 9.1.
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o Graphics Representations:
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------------------------
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+ Added G4Hype representation to HepPolyhedron and G4Polyhedron.
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+ Added inclusion of <cstdlib> in HepPolyhedron.cc for porting on
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gcc-4.3.0 compiler.
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o Materials:
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---------
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+ G4NistMaterialBuilder: using correct dimension for the density for
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ConstructNewMaterial() methods.
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+ G4Material: improved printout in error conditions by specifying the
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name of the material affected.
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o Particles:
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---------
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+ G4ParticleTable: fixed implementation of methods Remove() and
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RemoveAllParticles() so that particle definition objects are properly
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deleted when invoking these methods between runs. It's user's
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responsibility to delete dynamically instantiated particle objects.
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Added method DeleteAllParticles() to remove and delete all particles
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in the list. Addressing problem report #1007.
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+ Fixed bugs in G4Iontable::Remove() and G4ShortLivedTable::Remove().
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o Physics Lists:
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-------------
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+ Fixed deletion using uninitialized pointers in FTF-BIC, for classes
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HadronPhysicsFTF_BIC, G4FTFBinaryNeutronBuilder and G4LEPNeutronBuilder.
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o Electromagnetic Processes:
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-------------------------
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+ Standard:
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o G4UrbanMscModel90, G4UrbanMscModel: fixed asymmetry of lateral
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displacement.
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o G4ionIonisation: adopt 'linLossLimit' 0.15 as it was originally in 9.1.
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o G4IonFluctuations: fixed discontinuity of width correction factor
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for small velocities and added a protection to its value
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(factor>1), which fixes very long alpha events.
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+ Utils:
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o G4EmCorrections: set finite size correction to zero (provides flat
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distribution of vertex detector response for high energy hadrons).
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o G4ionEffectiveCharge: minor change of numerical constants to provide
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continuous change of charge versus energy.
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o Hadronic Processes:
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------------------
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+ Cleared most compilation warnings detected on gcc-4.3.0.
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+ cross_sections:
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o G4NeutronInelasticCrossSection: fixed bug which used to return zero
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cross section for 3He.
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o G4TripathiLightCrossSection: fixed bug in method IsApplicable() to
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use GetN() instead of GetA() for target.
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o Added capability to use element-based cross section data
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sets if no isotope-based ones are available. This is required to
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get the HP neutron code to work within the cross section framework
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introduced in version 9.0. Added internal method to class
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G4CrossSectionDataStore.
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+ models/cascade:
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o Added Coulomb barrier in G4EquilibriumEvaporator.
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o Changed pp, nn total cross section parameterization in class
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G4CascadSpecialFunctions to more closely reflect the PDG values;
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fixed cross section bug responsible for returning low or zero total
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cross sections for pi-p, pi+n, np, and pi0 interactions.
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+ models/chiral_inv_phase_space:
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o Modified G4QElasticCrossSection to fix problem with quasi-elastic.
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When run together with elastic, the parameters to sample T were not
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updated, this fix is to always update these.
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o Fixed case of exceeded boundary bounds in G4QCollision.
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o Check on tolerance is replaced by check on exact equality for fixing
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event reproducibility.
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+ models/coherent_elastic:
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o G4HadronElastic: added extra protection against precision lost
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when projectile almost lost kinetic energy; set 'lowestEnergyLimit'
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to be 1.e-6*eV (was 0.0).
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Added extra protection: if sampled t out of the physics range then
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no scattering.
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o G4UHadronElasticProcess: call to G4QElasticCrossSection with option
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"false", so parameters for sampling of scattering are precalculated.
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+ models/neutron_hp:
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o Fix against cases of division by zero.
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o Fixed erroneous condition in G4NeutronHPContAngularPar.
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o To increase performance, checking point of "neglecting doppler
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broadening" flag is changed from GetCrossSection() method to
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BuildPhysicsTable().
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+ models/theo_high_energy:
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o Added missing Fermi momentum to quasi elastic scattering.
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+ stopping:
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o G4MuMinusCaptureCascade: fixed case of NaN value in bound muon decay.
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o Generic Processes:
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-----------------
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+ Decay:
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o Added protection to properly handle shortlived particles with finite
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pre-assigned proper time.
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+ Management:
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o Fixed bug related to invoking ResetNumberOfInteractionLengthLeft()
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at the zero length step
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o Allow zero mean free path for PostStepDoIt().
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+ Parameterisation:
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o Cleared compilation warnings detected on gcc-4.3.0.
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o Run:
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---
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+ Added G4Transportation to shortlived particles in G4VUserPhysicsList
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in order to fix problem of non-assigned process for shortlived particle
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decay detected in CMS.
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o Examples:
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--------
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+ advanced/underground_physics:
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o Fixed mis-sized arrays 'ring_phys_gas' and 'ring_phys_liq';
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both were less than the utilized size.
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+ extended/field/field02:
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o Fixed setup to correctly handle electric field.
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+ extended/field/field04:
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o Fix to avoid error for invalid rotation specification
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in F04DetectorConstruction::stringToRotationMatrix().
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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 9.1
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o Technical notes distributed for release 9.1 are also applicable and
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valid for this patch.
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The code and rebuilt binary libraries for release 9.1 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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