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                  Geant4 9.3 - patch-02 Release Notes
                  -----------------------------------
 
                                                               17 September 2010
 
 List of fixes included in this public patch since the public release 9.3.p01:
 
   o Configuration:
     -------------
     + Configure script: 
       o Updated internal scripts for Configure: protected echos on
         LD_LIBRARY_PATH so that output from use of Configure post-install
         is clean. Also addressing problem report #1139.
       o Fixed selection of XERCESCROOT path for Windows.
       o Added quoting of uname in Qt.U to prevent Power Mac problems.
       o Added removal of quotes from make version string to handle non-English
         language systems.
     + Simplified QTLIBPATH setup in Linux-g++.gmk.
     + Increased stack size on WIN32-VC setup (i.e. 8MB as on Linux), adding
       the option to LDFLAGS.
 
   o Digits+Hits:
     -----------
     + Added missing virtual destructor to G4VScoringMesh and removed
       unnecessary virtual qualifiers to G4ScoringBox.
 
   o Event:
     -----
     + Improved logic in G4PrimaryTransformer. Addressing problem report #1101.
     + Fixed compilation warning in G4SmartTrackStack issued with gcc 4.5.0.
     + Removed obsolete CLHEP_HepMC option from G4EventManager class.
     + Fixed electron mass correction for ions in G4PrimaryTransformer.
 
   o Geometry:
     --------
     + biasing:
       o G4IStore: corrected use of internal cell-importance iterator to avoid
         invalidation in methods GetImportance().
       o Corrected mispelled name for GetLowerWeight() method in classes
         G4WeightWindowStore and G4VWeightWindowStore. Fixed use of internal
         cell-importance iterator in G4WeightWindowStore::GetLowerWeight() to
         avoid cases of invalidation.
       o Fixed initialization of data in copy-constructor for G4GeometryCell.
     + divisions:
       o Improved logic in G4PVDivision constructors and in method
         G4PVDivisionFactory::CreatePVDivision() in case of invalid construct.
       o Properly initialise Boolean flag 'bDivInTrap' in G4VParameterisationTrd
         constructor.
       o G4ParameterisationTrd: disabled unreachable error message in method
         G4ParameterisationTrdX::CheckParametersValidity().
       o Removed uninitialised member in G4ParameterisationTrdX and correction
         in method ComputeSolid().
       o Get rid of unnecessary virtual specification for leaf classes in the
         hierarchy.
     + magneticfield:
       o Fixed cases of possible memory corruption in G4RKG3_Stepper.
       o Fixed case of unused array data member in G4ExactHelixStepper.
       o Removed useless code never executed in G4ConstRK4::Stepper().
       o Fixed initialization in constructor and fixed passing of time in
         G4NystromRK4.
       o Added dummy initialization of data members in constructors.
     + management:
       o Fixed compilation errors for code within G4GEOMETRY_VOXELDEBUG flag
         in G4GeometryManager and G4SmartVoxelHeader.
       o Added printout of voxel limits in G4SmartVoxelHeader::Buildnodes().
       o G4LogicalSurface: made virtual destructor and constructors not inline.
       o G4SmartVoxelHeader: fixed potential case of invalid iterator in
         deletion of test slices in BuildVoxelsWithinLimits().
       o G4GeometryManager: restore cout precision after printing voxel
         statistics.
       o Added dummy initialization of data members in constructors.
     + navigation:
       o Fix in G4GeomTestSegment::FindSomePoints(), to address problem
         report #980.
       o Fixed array out of bound error in G4MultipleNavigator and G4PathFinder
         constructors.
       o Fixed cout precision restoring where applicable.
       o Replaced use of DBL_MAX for distances with kInfinity in
         G4MultiNavigator and G4Navigator internals.
       o Added dummy initialisation of data members in constructors.
     + solids/BREPS:
       o Fixed possible leaks in G4BREPSolid::IsConvex() method,
         G4ToroidalSurface destructor, G4BezierSurface::ClipSurface() method
         and G4OsloMatrix construction.
       o Corrected possible dereferencing of null pointer in method
         G4BREPSolidSphere::DistanceToOut().
       o Corrected deletion of internal data in G4BSplineCurve::Project() method.
       o G4Assembly: corrected case of invalid iterator in destructor.
       o G4Hyperbola: corrected signature to internal Init() function to avoid
         parameter passed by value.
       o G4BSplineCurve: corrected initialization of null pointer in Project().
       o G4CompositeCurve, G4SurfaceBoundary: corrected cases of invalid
         iterator.
       o Some code cleanup in G4ConicalSurface, GCylindricalSurface and
         G4SpericalSurface.
       o Added dummy initialisation of static data where applicable.
     + solids/CSG:
       o G4Torus: fix in DistanceToOut(p,v,...) to address problem report #1081.
         Fixed call to internal method for finding roots, to avoid copy
         of sdt::vector() by parameters. Some cleanup to avoid unnecessary
         protected section and virtual table.
       o Fixed condition in G4Tubs::Inside(p) for point on surface.
       o Corrected use of std::fabs() in place of std::abs() in G4Tubs, G4Cons,
         G4Sphere and G4Torus. Use pre-computed half-tolerance constants in
         G4Torus.
       o Improved initialisation logic in several constructors.
       o Corrected cases of not-restored cout precision where applicable.
     + solids/specific:
       o Fix in G4TriangularFacet and G4TessellatedSolid to correct treatment
         of optical photon transport related to internal reflection at surface.
         Addresses problem report #1103.
       o G4ExtrudedSolid: eliminated requirement for clockwise ordering of
         polygon vertices. Added a check for vertices ordering; if vertices
         are defined anti-clockwise their ordering is reverted.
         Fix in polygon facet triangularization for consequent concave vertices.
       o Fixed deletion of internal arrays in CreatePolyhedron() for G4Polycone
         and G4Polyhedra.
       o G4EllipticalTube: extended implementation of SurfaceNormal(p) in
         agreement with canonical form.
       o Fixed cases of division by zero in G4VTwistSurface and G4TwistBoxSide.
       o Use INT_MAX as initialisation for max limits in G4SolidExtentList.
       o Fixed potential case of dereferencing null pointer in methods
         G4EllipticalTube::DistanceToOut(p,v), G4VCSGfaceted::DistanceToIn(p,v)
         and G4VCSGfaceted::DistanceToOut(p,v).
       o Fixed unecessary object copy as argument in method
         G4PolyhedraSide::IntersectSidePlane().
       o Replaced calls to std::abs() with std::fabs() where suitable.
       o Added dummy initialization of data members where applicable.
     + volumes:
       o Added Reset() method to G4ReflectionFactory for clearing maps of
         constituent and reflected volumes.
 
   o Global:
     ------
     + More safe numerical computation of A13() and logA() methods in G4Pow.
     + Added INT_MAX and INT_MIN portability macros in templates.hh.
     + Fixed cases of invalidated iterator in G4StateManager.
     + Added dummy initialization of data members in constructors.
     + Changed date for patch-02 to release 9.3.
 
   o Interfaces:
     ----------
     + Fixed call to contructor QKeySequence() in G4UIQt:AddButton() to
       allow for porting on gcc-4.5.0. Addresses problem report #1127.
 
   o Particles:
     ---------
     + Fixed logic bug in G4ExcitedMesonConstructor::Add3PiMode().
     + G4MuonRadiativeDecayChannelWithSpin: corrected sign error.
 
   o Persistency:
     -----------
     + Corrected dump of division axis in GDML writer.
     + Fixed printout of unit in G4GDMLWriteStructure for replicas and
       divisions, in the case of angles.
     + Added missing virtual destructor to G4tgbDetectorBuilder in ASCII module.
       Fixed signature for std::map in G4tgrVolumeMgr header.
     + Fixed recursive header inclusion in G4PersistencyCenter class in 'mctruth'
       module, and added dummy initialization of data members in constructors.
 
   o Low-energy Electromagnetic Processes:
     ------------------------------------
     + Fixed bugs in G4AtomicDeexcitation and G4AugerTransition to cure crash
       on Windows.
     + Corrected return value case in method GetPhotoElectronDirection() in
       G4PhotoElectricAngularGeneratorSauterGavrila.
       Addressing problem report #1120.
 
   o Standard Electromagnetic Processes:
     ----------------------------------
     + Adjoint:
       o G4AdjointAlongStepWeightCorrection: get rid of call to non-Standard
         isnan(), replaced by explicit validity test.
       o G4AdjointhMultipleScattering: removed unused header.
     + Polarisation:
       o Fix in G4ePolarizedIonisation to use default vector size of
         G4VEnergyLossProcess and avoid size mismatch in G4LossTableBuilder.
     + Standard:
       o G4eBremsstrahlungModel: fix in SelectRandomAtom() method.
         Addressing problem report #1115.
       o Fixed G4_O data in G4ASTARStopping.
         Fixed G4_Pt and G4_PROPANE data in G4PSTARStopping.
 
   o Hadronic Processes:
     ------------------
     + models/cascade:
       o Fix for long-standing problem of energy non conservation in pion-nuclear
         reaction on very light nuclei (in particular He) in G4CascadeInterface.
         The workaround re-samples the interaction in the rare case when an
         unphysical final state with baryon number violation is generated.
     + models/CHIPS:
       o Fix in G4ChiralInvariantPhaseSpace to catch previously un-handled
         exceptions produced when a 'chipolino' pseudo-particle is produced by
         the model and thrown by Q4QEnvironment::Fragment; handles the case in
         which Q4QEnvironment returns a 90000000 fragment, and converts it to
         a gamma. Addressing problem report #1138.
       o Bug fix in G4QNucleus::ChoosePosition() for looping.
       o Fix in fragmentation module for run-time warning on Windows.
     + models/de_excitation:
       o Fixed numerical problem (division by zero) in G4GEMProbability.
     + models/neutron_hp:
       o Added safety for zero length cross-section table in
         G4NeutronHPFissionData. Addressing problem report #1118.
       o Add safety for negative value in G4NeutronHPInelasticCompFS.
       o Added model name in constructor of G4NeutronHPThermalScattering.
         Addressing problem report #1116.
       o Modified sampling in G4NeutronHPInelasticCompFS.
       o Fix bug about incidence energy in G4NeutronHPEnAngCorrelation.
     + models/parton_string/hadronization
       o Improved Lund string fragmentation.
       o Fixed inconsistency between LightFragmentationTest and Lund
         fragmentation.
       o Fixed problems of energy non-conservation in FTF.
     + models/photolepton_hadron/muon_nuclear:
       o G4MuNuclearInteraction: properly clear hadronic tracks PostStepDoIt().
     + models/util:
       o G4Fancy3DNucleus: added missing std:: to call to sort() algorithm.
 
   o Generic Processes:
     -----------------
     + Biasing:
       o G4WeightWindowProcess: corrected call to method GetLowerWeight() in
         G4WeightWindowStore, after correction of mispelled name.
     + Optical:
       o Fix for backpainted surfaces to avoid applying twice reflectivity.
         Addressing problem report #1114.
       o Fixed sampling of 'theFacetNormal' for 'polishedbackpainted' material
         in G4OpBoundaryProcess::DielectricDielectric() method. Address problem
         reported on Hypernews Optical Processes Forum, thread #334.
       o Refashioned code in the case of type 'dielectric_dielect'.
     + Transportation:
       o Fix to G4Transportation to properly update the step flag which
         identifies the last step in a volume (applies for linear steps only,
         i.e. no field). Partially addressing problem report #1032.
 
   o Run:
     ---
     + Corrected printing of number of events processed on run abortion.
     + Fixed definition of path for Windows in G4RunManager for random seeds
       directory: use '\' instead of '/' and suitable system command.
     + Use "const G4String&" as arguments and return value wherever applicable
       in G4RunManager and G4RunManagerKernel.
     + Added dummy initialisation of data members in constructors.
     + Use canonical form for exceptions in G4RunManager and added dummy return
       statements; same in G4VUserPhysicsList.
 
   o Examples:
     --------
     + Migrated physics-lists to use particle-based multiple-scattering
       wherever necessary, and updated reference outputs.
     + advanced/human_phantom:
       o Added missing includes, causing compilation error.
       o Migrated physics-lists.
       o Corrected commands in some macros.
     + extended/geometry/olap:
       o Fixed compilation error for setting of kRadTolerance.
       o Removed inclusion of obsolete G4ParticleWithCuts header.
     + extended/persistency/gdml/G03:
       o Corrected selection of G4UItcsh in main(), to fix problem on Windows.
 
  ----------------------------------------------------------------------------
 
                              Technical Notes
                              --------------- 
 
   o  This patch should be applied on top of relese 9.3.
   o  Technical notes distributed for release 9.3 are also applicable and
      valid for this patch.
 
 The code and rebuilt binary libraries for release 9.3 are available
 through our "Download" Web page:
    http://cern.ch/geant4/support/download.shtml
 
 Please refer to the Geant4 User Documentation:
    http://cern.ch/geant4/support/userdocuments.shtml
 for further information about using Geant4.

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