$Id: History 79343 2014-02-24 11:44:06Z gcosmo $
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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 *
     ----------------------------------------------------------
- Feb. 22, 14 H.Kurashige   (decay-V10-00-02)
- Fix the bug of assigning DBL_MAX for stable particle life time
  (Bug #1569)

- Feb. 21, 14 J.Apostolakis (decay-V10-00-01) corrected bug # below.

- Jan. 04, 14 H.Kurashige   (decay-V10-00-00)
- Fix the bug of wrong global time for secondaries 
  in case that the primary track stops during along step
  (Bug #1555)
 
- Jun. 11, 13 M.Asai (decay-V09-06-01)
- Remove the modification in the previous tag, as it is no longer needed as all ions
  are generated after GenericIon gets the collect process manager.

- Jun. 9, 13 M.Asai (decay-V09-06-00)
- Modify G4Decay::IsApplicable() to make it return false for all ions in the IonTable.

- Jul. 5, 12 G.Cosmo (decay-V09-05-00)
- Explicitly use inclusion of headers for system of units and physical
  constants, in plan to remove implicit inclusion from globals.hh.

- Oct. 17, 11 H.Kurashige (decay-V09-04-02)
- Fix obsolete G4Exception

- Jul. 6, 11 H.Kurashige (decay-V09-04-01)
- Modify G4Decay  to propose the final local time rather than the global time
  so that local time can be updated properly
  (see problem #1224)  

- Jun. 4, 11 H.Kurashige (decay-V09-04-00)
- Add SubType of DECAY_Radioactive (=210) 

- Oct. 30, 10 H.Kurashige (decay-V09-03-01)
- Fix minor bugs reported by Coverity

- Aug. 10, 10 H.Kurashige (decay-V09-03-00)
- Use const pointer to G4ParticleDefinition because it should not be modified.  

- Sep. 19, 08 H.Kurashige (decay-V09-01-04)
- modify process sub type enumeration

- Aug. 22, 08 P.Gumplinger (decay-V09-01-03)
- fix a bug in G4DecayWithSpin.cc: there is a memory overwrite when the
  GetFieldValue being called initializes a fieldValue array of size 6
  when the array is only defined of size 3 in the calling program.
  Thanks to Kamil Sedlak (PSI) for pointing this out and suggesting this fix.
 
- Apr. 16, 08 H.Kurashige  (decay-V09-01-02)
- fix a bug when shortlived particles has finite  pre-assigned proper time
 
- Apr. 11, 08 P.Gumplinger (decay-V09-01-01)
- modify G4DecayWithSpin::DecayIt to allow spin precession also for EM Fields;
  e.g. fields that do "DoesFieldChangeEnergy()" but only if the B-field
  component is > 0. (thanks to Kamil Sedlak, Toni Shiroka from PSI)

- Dec. 15, 07 H.Kurashige (decay-V09-01-00)
- add G4DecayProcessType
- define process sub type

- Oct. 29, 07 P.Gumplinger (decay-V09-00-02)
- add G4PionDecayMakeSpin class
  set the daughter muon spin for 2 body decays of
  pi, K and K0_long

- Oct. 12, 07 H.Kurashige (decay-V09-00-01)
- add forward declaration for G4VExtDecayer in G4DecayWithSpin

- Oct. 06, 07 H.Kurashige (decay-V09-00-00)
- Add a method of DaughterPolarization in G4Decay 

- May. 07, 07 H.Kurashige (decay-V08-02-00)
- Add protection for "TotalEnergy < Mass" 

- Apr. 29, 05 H.Kurashige (decay-V07-00-00)
- Fixed bug in GPILAtRest.

- Dec. 10, 04 G.Cosmo (decay-V06-02-05)
- replaced M_PI with CLHEP's pi.

- Dec. 2, 04 H.Kurashige (decay-V06-02-04)
- migration to cmath

- Oct. 19, 04 H.Kurashige (decay-V06-02-03)
- Modify G4UnknownDecay for migration of ParticleChange

- Sep. 17, 04 P. Gumplinger (decay-V06-02-02)
- Add G4DecayWithSpin class and allow for dependency to
  /geometry/navigation in GNUmakefile
- Fixed the problem of determination of particle's decay time
  for the case the particle stops due to energy loss.  

- Aug. 10, 04 H.Kurashige(decay-V06-02-01)
- Add G4Decay::GetRemainderLifeTime method

- Jul. 07, 04 M.Asai (decay-V06-02-00)
- Introducing G4UnknownDecay

- May. 08, 04 H.Kurashige(decay-V06-01-00)
- Change method name for ParticleChange

- Mar. 12, 04 H.Kurashige(decay-V06-00-00)
- Fixed bug in PostStepGPIL in case of stopping during AlongStep actions 

- Apr. 26, 03 V.Ivanchenko(decay-V05-00-00)
- add initialisation of TouchableHandle for decay products

- Feb. 12, 02 H.Kurashige(decay-V04-00-01)
- Remove physics table

- Feb. 9, 02 H.Kurashige(decay-V04-00-00)
- Modify Lowest/HighestBinEnergy for physics table
  to calculate beta for slow particle 

- Aug. 22, 01 H.Kurashige(decay-V03-02-01)
- Clean up codes

- Feb. 29, 01 H.Kurashige(decay-V03-00-03)
- Fix minor bug in G4VExtDecayer 

- Feb. 22, 01 H.Kurashige(decay-V03-00-02)
- Add G4VExtDecayer and modify G4Decay 

- Jan. 18, 01 H.Kurashige(decay-V03-00-01)
- Use PreAssignedDecayTime in G4DynamicParticle if necessary

- Oct. 24, 00 H.Kurashige(decay-V02-00-01)
- Bug fix in G4Decay::DecayIt (no decay if the particle is stable)

- Oct. 19, 00 H.Kurashige(decay-V02-00-00)
- Bug fix in G4Decay to avoid direct modification of G4Track
  by the Decay Process

- Mar. 1, 00 H.Kurashige (decay-V01-00-00)
- Bug fix in G4Decay::IsApplicable()
  G4Decay should be applicable to "shortlived" particles  
