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0001
0002 Geant4 10.0 - patch-04 Release Notes
0003 ------------------------------------
0004
0005 6 March 2015
0006
0007 List of fixes included in this public patch since the public release 10.0.p03:
0008
0009 o Geometry:
0010 --------
0011 + navigation:
0012 o G4Navigator: corrections in the computation of exit normal and small
0013 fix to calculation of stored step endpoint, for steps that do not hit
0014 a boundary. Some code cleanup.
0015 o Added protection in G4ReplicaNavigation::DistanceToOutRad() for
0016 potential rare cases of negative value to sqrt() in equation
0017 calculation for rmin/rmax intersection.
0018 o G4ErrorPropagationNavigator: added GetGlobalExitNormal() method to
0019 match the update of G4Navigator interface made back in release 9.5.
0020 Fix to make normal a unit vector, and fixed Coverity defect to protect
0021 against null 'target'. Revised implementation of ComputeStep(),
0022 to avoid calling G4Navigator::ComputeSafety().
0023 Addresses problem report #1679.
0024 + solids/CSG:
0025 o Fixed typo in copy-ctor and assignment operator for G4Tubs and G4OTubs.
0026 o Fix in temporary class G4OTubs to include symbol in library in any case.
0027 + solids/specific:
0028 o Fixed triangularisation method AddGeneralPOlygoneFacets() in
0029 G4ExtrudedSolid by avoiding flat triangles. Added warning message to
0030 G4TriangularFacet constructor if Area is 0; i.e., case of flat triangle.
0031 Addressing problem report #1703.
0032 o Added special DistanceAway() method for Inside() in order to fix
0033 precision problem in calculation of DistanceToSide() in G4PolyconeSide.
0034 o Fix in SetOriginalParameters() for G4Polycone and G4Polyhedra, in case
0035 of presence of 'rings' structures. Addressing problem report #1705.
0036 o Use canonical form for operator=() in G4PolyconeHistorical and
0037 G4PolyhedraHistorical.
0038 + solids/usolids:
0039 o UPolycone: correction in Capacity() for iteration over the number of
0040 sections and in SurfaceArea() in case opening-angle is less than 2*pi.
0041 Fixes in InsideSection() for openPhi when StartPhi is negative,
0042 in Init() for Polycone defined from ZPlane[0]>ZPlane[N],
0043 and in DistanceToOut() for points starting on internal surface.
0044 Fix in InsideSection() for points(0,0,z).
0045 Fix in SetOriginalParameters(), in case of presence of 'rings'
0046 structures constructed by (r,z) corners.
0047 Use canonical form for operator=(). Code cleanup and formatting.
0048 o Added special DistanceAway() method for Inside() in order to fix
0049 precision problem in calculation of DistanceToSide() in UPolyconeSide.
0050 o Fixed typo in copy-ctor and assignment operator for UTubs.
0051 o UPolyhedra: moved Extent() from protected to public.
0052 o UTet: fixed approximation in Extent().
0053 o Minor fixes of errors reported by Coverity and unit tests in
0054 UTubs,UCons, UTet.
0055 o Removed useless 'inline' specification for pure virtual function
0056 StreamInfo() in VUSolid base class.
0057 o Renamed ExceptionSeverity struct to UExceptionSeverity in UUtils to
0058 avoid possible clashes with external libraries.
0059 + volumes:
0060 o Avoid post-increment in G4NavigationLevelRep::AddAReference().
0061
0062 o Generic Processes:
0063 -----------------
0064 + Management:
0065 o Fixed logic in G4ProcessManager::SetProcessOrderingToSecond() to make
0066 sure the process is always set before the process that has ordering
0067 index 1.
0068 + Transportation:
0069 o G4Transportation, G4CoupledTransportation: in AlongStepGetPIL(),
0070 initialize restMass with G4DynamicParticle (as is used in DoIt()),
0071 not with G4ParticleDefinition. Resolves inconsistent kinematics
0072 when dynamic mass is measurably different from "PDG" mass.
0073
0074 o Global:
0075 ------
0076 + G4FPEDetection.hh: restrict FPE trapping to GCC only, excluding CLang.
0077 Addresses problem with Qt generating an apparent FPE deep inside its
0078 code with MacOSX CLang builds.
0079 Added call to 'sigfillset' to clear any signals before any use of
0080 sigset_t in InvalidOperationDetection() for both MacOS and Linux, as
0081 suggested in specifications.
0082 + Added missing G4GLOB_DLL specification for DLL import/export to
0083 G4CacheDetails specialization of cache reference for double.
0084 + Updated date and version for 10.0.p04.
0085
0086 o Persistency:
0087 -----------
0088 + gdml:
0089 o Fixed typo in G4GDMLWriteSolids::BooleanWrite() for the case of
0090 repeated displacements of the reference solid in the same Boolean
0091 operation (issue reported by ATLAS).
0092 o Correction to G4GDMLReadMaterials::MixtureRead() to revert order of
0093 reading (first elements then materials) for mixtures by fraction;
0094 corrects referencing for cases when elements and materials may carry
0095 the same name (case reported by ATLAS).
0096
0097 o Physics Lists:
0098 -------------
0099 + constructors/hadron_inelastic:
0100 o Added protection in destructors to avoid double deletes.
0101 + constructors/limiters:
0102 o Fix in G4ParallelWorldProcess to correctly use method
0103 SetProcessOrderingToSecond().
0104 + lists:
0105 o INCLXXPhysicsListHelper: avoid use of G4NeutronTrackingCut
0106 for *_HP physics-lists.
0107
0108 o Processes - Hadronic:
0109 --------------------
0110 + management:
0111 o G4HadronicProcess::CheckResult(): added check for dynamic mass
0112 to correspond to PDG mass within ~10%.
0113 + models/cascade:
0114 o G4CascadeInterface: fixed possible infinite-loop condition where
0115 (nTries >= maxTries) and momentum balance fails.
0116 + stopping:
0117 o G4HadronStoppingProcess, G4MuonMinusBoundDecay: fixed time of muon
0118 nuclear capture secondaries. Addressing problem report #1695.
0119
0120 o Examples:
0121 --------
0122 + Updated reference outputs.
0123
0124
0125 ----------------------------------------------------------------------------
0126
0127 Technical Notes
0128 ---------------
0129
0130 o This patch should be applied on top of release 10.0 or 10.0.p01/2/3.
0131 o Technical notes distributed for release 10.0 are also applicable and
0132 valid for this patch.
0133
0134 The code and rebuilt binary libraries for release 10.0.p04 are available
0135 through our "Download" Web page:
0136 http://cern.ch/geant4/support/download.shtml
0137
0138 Please refer to the Geant4 User Documentation:
0139 http://cern.ch/geant4/support/userdocuments.shtml
0140 for further information about using Geant4.