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     =========================================================
     Geant4 - an Object-Oriented Toolkit for Simulation in HEP
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                      Category History file
                      ---------------------
This file should be used by G4 developers and category coordinators
to briefly summarize all major modifications introduced in the code
and keep track of all category-tags.
It DOES NOT substitute the  CVS log-message one should put at every
committal in the CVS repository !

     ----------------------------------------------------------
     * Reverse chronological order (last date on top), please *
     ----------------------------------------------------------

Jan 31, 2019, I.Hrivnacova - exbiasing-V10-04-00
- Merged GitHub PR #4: all Boolean operators now return G4bool.

Nov 8, 2016, M. Verderi - exbiasing-V10-02-02
- revert ReverseMC to ReverseMC01-V10-02-00

Nov 7, 2016 M. Verderi - exbiasing-V10-02-01
- First tag for new GB05 and GB06 examples
- Update of README, .README.txt and CMakeLists.txt

Jul 30, 2016 I.Hrivnacova - exbiasing-V10-02-00
- Coding guidelines

Nov 27, 2014 I.Hrivnacova - exbiasing-V10-00-03
- Fixed top README, .README

Nov 12, 2014 M. Verderi - exbiasing-V10-00-02
- Creation of GB04

Nov 08, 2014 I.Hrivnacova - exbiasing-V10-00-01
- Updated README files for adding GB03

Nov 07, 2014 M. Verderi - exbiasing-V10-00-00
- Creation of GB03

Dec 03, 2013 I.Hrivnacova - exbiasing-V09-06-06
- Fixed files description (for Doxygen)

Nov 29, 2013 I.Hrivnacova - exbiasing-V09-06-05
- Fixed documentation for Doxygen,
  added missing GNUmakefile in GB01, GB02

Nov 23, 2013 A. Howard - exbiasing-V09-06-04
- Fixed single threaded problem with B03 (double bias process)

Nov 22, 2013 A. Howard - exbiasing-V09-06-03
- Combined tag of B01, B02 and B03 with last accepted of GB01, GB02, ReverseMC01

Nov 22, 2013 A. Howard - exbiasing-V09-06-02 (internal)
- Changed README and .README to reflect B02 correctly. Added B03
  directory. Added GB01, GB02 and B03 to CMakeLists.txt and GNUmakefile

Nov 15, 2012 A. Howard - exbiasing-V09-06-01
- Changed README and .README to reflect the B02 correctly.

Nov 15, 2012 I.Hrivnacova - exbiasing-V09-05-04
- Minor fixes in .README

Oct 13, 2012 A. Dotti - exbiasing-V09-05-03
- Adding explicit use of system of units

Sep 24, 2012 I.Hrivnacova - exbiasing-V09-05-02
- New tag for synchronizing with ctest

Sep 19, 2012 I.Hrivnacova - exbiasing-V09-05-01
- Added explicit includes of G4SystemOfUnits.hh and G4PhysicalConstants.hh
  where needed
- Fixed compiler warnings in B02PSScoringDetectorConstruction.cc  
- Replaced tabulators with space characters  

Sep 4, 2012 I.Hrivnacova - exbiasing-V09-05-00
- Updated CMakeLists.txt:
  adding visualization (if used), copying macros, install target 
  and comment lines 

Nov 14th, 2011 G.Cosmo - exbiasing-V09-04-01
- Archived obsolete example B03 laying on the trunk.

Nov 14th, 2011 A.Howard - exbiasing-V09-04-00
- migrated B01 example (B01DetectorConstruction.cc) to new G4Exception

November 20, 2009  L. Desorgher - exbiasing-V09-02-00
- Added new example ReverseMC01 demonstrating the Reverse MonteCarlo technique.

June 22, 2007  A. Howard - exbiasing-V08-03-02
- Cleaned up B01 and B02 code to be more example-like for release

June 5, 2007  A. Howard - exbiasing-V08-03-01
- Removed B03 from GNUmakefile
- Included "B02-V08-03-00" - migration of B02 to new biasing/scoring scheme:
  test version

June 5, 2007  A. Howard - exbiasing-V08-03-00
- Migrated example B01 to new biasing/scoring scheme - test version 
  (needs clean up before public release)
- Removed B03 (redundant/obsolete use of python)

Dec 6, 2005  G. Cosmo
- Trivial changes for support of CLHEP-2.0.X series.

Nov 15th, 2005  G. Cosmo - exbiasing-V07-01-00
- migration to <sstream> from deprecated <strstream>.

May 3rd, 2005  J. Allison
- replaced vis manager with G4VisExecutive.

Dec 8th, 2004  G. Daquino - exbiasing-V06-02-00
- B01, B02 and B03 migrated to <cmath>.

Jun 21st, 2004  G. Daquino - exbiasing-V06-01-00
- Ported B02 and B03 to AIDA 3.2.1 and PI 1.2.1.

Jul 31th, 2003  M. Dressel - exbiasing-V05-02-02
- added weight window example to B01

Jul 31th, 2003  M. Dressel - exbiasing-V05-02-01
- removed some unused arguments in fucntion calls

Jun 30th, 2003  M. Dressel - exbiasing-V05-02-00
- simplified building of B03 and removed files created by swig,
  these files are created during gmake now

Jun 25th, 2003  G. Cosmo - exbiasing-V05-01-00
- Added disclaimer of liability where needed.

Mar 11th, 2003  M. Dressel - exbiasing-V05-00-01
- changed the replica number of the world volume from -1 to 0
- Initialze() of the G4RunManager is now called after all Materials
  and volumes (also in the parallel geometry) are built.


Feb 19th, 2003  G.Cosmo - exbiasing-V05-00-00
- removed redundant inclusion of PhysicalConstants.h.
  Now using CLHEP headers.

Nov 25th, 2002 M.Dressel -  exbiasing-V04-01-01
- change README

Nov 22th, 2002 M.Dressel 
- changed geometry for scoring. Cells must not coinside with
  wolrd boundary since tracks would be killed before
  scoring is called in the case a track exits a cell into
  "out of world".

Nov   8th, 2002 M.Dressel - exbiasing-V04-01-00
  reduce and change examples. Only B01 B02 B03 will
  remain but with different content. 

July 11th, 2002 M.Dressel - internal-3-exbiasing-V04-01-01
- resolved B09 into geometry/biasing and run.
- coworks with: internal-1-run-V04-01-01
                internal-2-transport-V04-01-01
                internal-2-geombias-V04-01-01

July 10th, 2002 M.Dressel 
- using G4StandardScorer and G4StandardScoreTable instead of
  B06Scorer and B06ScorePRinter in B06

July 10th, 2002 M.Dressel - internal-2-exbiasing-V04-01-01
- adopt to the new G4Sigma version in internal-1-geombias-V04-01-01


July 10th, 2002 M.Dressel - internal-1-exbiasing-V04-01-01
- temporarily created directory B09. Messangers and classes using them
  are put into B09 because the G4UImessanger is not known in 
  geometry and processes.
  

Jun  4th, 2002 M.Dressel - exbiasing-V04-00-07
- update of exampleBXX.out files.
- addition of example B08

May 31th, 2002 M.Dressel - exbiasing-V04-00-06
- change ...Manager to ...Sampler to be conform to transport-V04-00-06

May 23th, 2002 M.Dressel - internal-1-exbiasing-V04-00-05
- Update of README and ouput files after changes in G4ProcessPlacer in 
  transportation

May 15th, 2002 M.Asai - exbiasing-V04-00-05
- Eliminated all UI commands from generator actions

April 19th, 2002 G.Cosmo - exbiasing-V04-00-04
- Added disclaimer of liability and minor cosmetics...

April 12th, 2002 M.Dressel
- Change class B06ImportanceDetectorConstruction.hh and exampleB06.cc.
  B06ImportanceDetectorConstruction does not derive from 
  G4UserDetectorConstruction, function Construct made private
  and called in Constructor.

April 8th, 2002  G.Cosmo - exbiasing-V04-00-03
- Fixed usage of 'first'/'second' in iterators for porting
  on DEC-cxx non-ISO.

April 8th, 2002  M.Dressel - exbiasing-V04-00-02
- Resolved compilation problems on HP-aCC.

April 4th, 2002  M.Dressel - exbiasing-V04-00-01
- Resolved compilation problems on SUN-CC and Linux-egcs.

March 28th, 2002  M.Dressel - exbiasing-V04-00-00
- First implementation of importance biasing and scoring user examples.

March 25th, 2002  G.Cosmo
- Created.
