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Patch4.9.0-2.txt
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Geant4 9.0 - patch-02 Release Notes
-----------------------------------
25 January 2008
List of fixes included in this public patch since the public release 9.0.p01:
o Error Propagation:
-----------------
+ G4ErrorFreeTrajState: corrected bug in one of the transformation
matrix terms. Addresses problem report #971.
+ G4ErrorFreeTrajParam: corrected normalization of Y and Z coordinates.
+ G4ErrorPropagator: removed call to exit() and some cleanup.
o Event: (*)
-----
+ G4ParticleGun:
o Added class member 'particle_momentum' and method
SetParticleMomentum().
o Added private copy constructor and =, ==, += operators to
Addressing problem report #984.
+ Modified G4SPSEneDistribution to adress problem report #988.
o Geometry:
--------
+ management: (*)
o Fixed typo in forcing minimum number of points in method
G4VSolid::EstimateSurfaceArea(). Addresses problem report #981.
+ navigation: (*)
o G4PropagatorInField:
- Fixes for compilation of code under G4DEBUG_FIELD
(problem report #982).
- Changed condition for 'ReEstimationEndPoint' in order to better
handle very strict parameters of propagation. Also added more
verbosity in case of error for negative step.
Fixes rare problem observed in production by ATLAS.
- Added extra check of method LocateIntersectionPoint() arguments.
+ solids/Boolean: (*)
o Boosted performance for response of Inside() for G4SubtractionSolid
and G4UnionSolid according to suggestion in problem report #979.
+ solids/BREPS: (*)
o Fixed bug in G4BREPSolidPolyhedra::DistanceToOut() for cases of
particle passing the border of two touching surfaces.
o G4BREPSolidBox: fixed problem in the constructor in definition of
the side for the normal to surface.
+ solids/CSG: (*)
o G4Torus:
- Fixed bug in CalculateExtent() for case of non-rotated full-Phi
torus definition: added protection against negative value for sqrt()
and corrected formula for 'delta'.
Fixes problem of NaN detected in initialisation by CMS.
- Fixed bug in SolveNumericJT(): corrected handling of complex roots.
Addresses problem report #969.
o Fixed problem of undefined side for valid surface normal in case of
'Phi' section and direction through the center of either a G4Tubs or
G4Cons shape.
+ solids/specific: (*)
o Removed debug printout in G4Polycone::GetPointOnCone().
o Global:
------
+ Changed date for patch-02 to release 9.0.
o Management Processes:
--------------------
+ G4WrapperProcess: fixed double definition of method PreparePhysicsTable()
in the header and moved inline implementations of virtual methods to
source file.
o Hadronic Processes:
------------------
+ management: (*)
o G4HadronicProcess::FillTotalResult(): fix addressing problem report
#967, replaced call to 'aT.GetGlobalTime()' with an internal variable.
+ models/cascade:
o Fixed angular distribution for nucleon-nucleon elastic scattering
above 2.8 GeV.
+ models/chiral_inv_phase_space: (*)
o Fixed problem of non-reproducibility induced by G4QElasticCrossSection
and G4StringChipsInterface.
o Reduced memory allocation induced by use std::deque collection in
G4QHadron class; temporary workaround by replacing it with std::list.
+ models/high_energy: (*)
o G4HEInelastic::TuningOfHighEnergyCascading(): fixed incorrect
assignment of leading particle to low energy backward nucleons and
fragments. This bug caused high energy backward particles to be
emitted from high energy collisions.
o G4HEPionMinusInelastic: fixed incorrect 'Imax' in sampling of charge
exchange.
+ stopping: (*)
o G4StopElementSelector: fixed typo in Primakoff formula for
capture velocity.
o G4MuonMinusCaptureAtRest: fixed old memory leak.
o Removed old-style copyright from all headers and fixed Software
Reference Manual tags.
o Examples:
--------
+ advanced/underground_physics:
o Corrected micrometer unit in macros from mum to um (old bug since 8.2).
(*) Fixes also included in the patched release 8.3.p02.
----------------------------------------------------------------------------
Technical Notes
---------------
o This patch should be applied on top of release 9.0
o Technical notes distributed for release 9.0 are also applicable and
valid for this patch.
The code and rebuilt binary libraries for release 9.0 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.