$Id: History 84401 2014-10-15 07:23:36Z gcosmo $
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     =========================================================
     Geant4 - an Object-Oriented Toolkit for Simulation in HEP
     =========================================================

                      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 *
     ----------------------------------------------------------

13-10-14 V.Ivanchenko (materials-V10-00-26)
- G4SandiaData - optimized run time methods

06-10-14 P.Gumplinger (materials-V10-00-25)
- add methods SetMRMaxProbability and SetMRMaxTransProbability in 
  G4UCNMaterialPropertiesTable
- Compare not the energy but normal component of energy to the Fermi potential
  in G4UCNMicroRoughnessHelper::IntIminus
  and G4UCNMaterialPropertiesTable::TransConditionsValid

25-09-14 W.Pokorski (materials-V10-00-24)
- G4IonisParamMat - adding initialization of G4DensityEffectData in
  the default constructor

05-08-14 V.Ivanchenko (materials-V10-00-23)
- G4SandiaData - proper deletion of G4PhysicsVectors end of job

24-07-14 V.Ivanchenko (materials-V10-00-22)
- G4ElementData, G4IonStoppingData - proper deletion of G4PhysicsVectors
    end of job

10-07-14 V.Ivanchenko (materials-V10-00-21)
- G4SandiaTable.cc : modify low limit for water (similar to previous tag)
    and clean-up the class.
     
09-07-14 mma (materials-V10-00-20)
- G4SandiaTable.cc : modify low limit in GetSandiaCofPerAtom() and Material.
  
27-06-14 P.Gumplinger (materials-V10-00-19)
- fix Coverity error uninitilized non-static class members in
  G4UCNMaterialPropertiesTable

18-06-14 P.Gumplinger (materials-V10-00-18)
- fix Valgrid uninitialised value error in G4UCNMaterialPropertiesTable

16-06-14 P.Gumplinger (materials-V10-00-17)
- fix cases of floating-point exceptions in G4UCNMicroRoughnessHelper

11-06-14 G.Folger     (materials-V10-00-16)
- add new classes G4UCNMaterialPropertiesTable and G4UCNMicroRoughnessHelper
   to sources.cmake
	
06-06-14 P.Gumplinger (materials-V10-00-15)
- add G4UCNMaterialPropertiesTable and G4UCNMicroRoughnessHelper classes

26-05-14 V.Ivanchenko (materials-V10-00-14)
- G4Material - make copy constructor private 

26-05-14 V.Ivanchenko (materials-V10-00-13)
- G4Material, G4IonisParamElm, G4IonisParamMat - fixed Coverity 
    reports - copy constructor is private, because it is not 
    assumed to create a new material as a copy 

13-05-14 V.Ivanchenko (materials-V10-00-12)
- G4Material - revert back modifications due to fail of tests,
    improve material printout only to address #1563    

12-05-14 V.Ivanchenko (materials-V10-00-11)
- G4Material - commented out method GetNuclearInterLength() and 
    extention for material printout to address bug report #1563 

09-05-14 G.Cosmo (materials-V10-00-10, materials-V10-00-09)
- Replaced size_t with int type for 'fNumberOfIsotopes' in G4Element
  and 'fNumberOfComponents' and 'fNumberOfElements' in G4Material.
  Adapted code accordingly.
  Workaround to overcome limitation in Root I/O for object persistency.

08-05-14 P.Gumplinger (materials-V10-00-08)
- Further attempts at avoiding all Coverity errors

06-04-14 V.Ivanchenko (materials-V10-00-07)
- G4NistmaterialBuilder - added new material G4_lBr - at STP Bromine
    is mainly liquid while in NIST DB it is described as a gas.
    This is a bugfix #1607. Data are taken from
    http://en.wikipedia.org/wiki/Bromine

30-04-14 P.Gumplinger (materials-V10-00-06)
- Attempt at avoiding Coverity errors 37180 and 37340

28-04-14 M.Asai (materials-V10-00-05)
- G4MaterialPropertyTable: fix race condition problem. Addressing to
  bug report #1590.

22-04-14 G.Cosmo (materials-V10-00-04, materials-V10-00-03)
- G4Material: corrected initialisation of pointers in fake default constructor
  per use of persistency.

15-04-14 G.Cosmo (materials-V10-00-02)
- G4Material: corrected typo in printout for duplicate materials in
  function InitializePointers().

09-04-14 V.Ivanchenko (materials-V10-00-01)
- G4Material, G4Element - defined defaulut names and symbols for elements
    and isotopes if they are not explicitly defined by users - this fixing
    names for gdml IO which has problem to work with names starting from a
    decimal number     

14-02-14 V.Ivanchenko (materials-V10-00-00)
14-02-14 V.Ivanchenko (materials-V10-10-00)
- G4SandiaTable - make run time methods const, because materials are shared
    between threads; added new methods GetSandiaCofWater(), 
    GetWaterEnergyLimit(), GetWaterCofForMaterial()

16-11-13 M.Kelsey (materials-V09-06-34)
- G4LatticePhysical:  Drop use of G4Transform3D and related objects in favor
  of simple G4RotationMatrix operating directly on G4ThreeVector.  This
  should eliminate Windows problems.

15-11-13 M.Kelsey (materials-V09-06-33)
- G4LatticePhysical.cc:  In RotateTo*() functions, put result into a local
  variable, and print it out (under verbosity) before returning.  This seems
  to be the source of the crashes on Windows.

15-11-13 M.Kelsey (materials-V09-06-32)
- G4LatticeLogical.hh:  Address Coverity #53491-53495, make MAXRES public,
  to support LatticeReader input checking.

15-11-13 V.Ivanchenko (materials-V09-06-31)
- G4IonisParamMat - fixed density effect parameterisation using
    static analysis reported by Andrey Karpov (<karpov@viva64.com>)

15-11-13 M.Kelsey (materials-V09-06-30)
- G4LatticePhysical.cc:  Add more diagnostic (verbose) output.

14-11-13 M.Kelsey (materials-V09-06-29)
- G4LatticeLogical, G4LatticePhysical: Add verboseLevel data member with Set
  function.  Add diagnostic output controlled by verbosity.  This tag may be
  left out of Release 10.0 since it is past the deadline.

13-11-13 M.Kelsey (materials-V09-06-28)
- G4LatticeLogical: Add dumping of data, to try to debug problems with phonon
  example on Windows.  This tag may be left out of Release 10.0 since it is
  past the deadline.

07-11-13 V.Ivanchenko (materials-V09-06-27)
- G4IonStoppingData - do not delete G4PhysicsVectors

06-11-13 V.Ivanchenko (materials-V09-06-26)
- G4SandiaTable, G4ElementData - do not delete G4PhysicsVectors

30-10-13 V.Ivanchenko (materials-V09-06-25)
- G4SandiaTable, G4StaticSandiaData - V.Grichine added data for water

23-10-13 M.Kelsey (materials-V09-06-24)
- NEW classes for logical (physics info) and physical (oriented) crystal
  lattices.  Ported here from exoticphysics/phonons example.

01-10-13 V.Ivanchenko (materials-V09-06-23)
- G4NistManager - G4Exception for the case when G4NistManager
    is instantiated in a worker thread 

16-09-13 V.Ivanchenko (materials-V09-06-22)
- G4NistManager - comment out AutoLock as probably useless

15-08-13 V.Ivanchenko (materials-V09-06-21)
- G4NistManager - added AutoLock in the constructor to avoid
    rarely possible situation that any code calls this singleton 
    class from worker thread

22-07-13 A.Ribon      (materials-V09-06-20)
- Added forgotten initialization of elm2Data in the default
  constructor of G4ElementData.

01-07-13 V.Ivanchenko (materials-V09-06-19)
- G4NistMaterialBuilder - make all access/print methods to be const;
    added formatting of printout (bug #1423)
- G4NistElementBuilder - make access/print methods to be const
- G4ElementData - added array of 2D-tables 

14-06-13 P.Gumplinger (materials-V09-06-18)
- Partially fix for coverity errors in G4OpticalSurface.cc

06-06-13 V.Ivanchenko (materials-V09-06-17)
- G4Material - added warning if new material has duplicate name

05-06-13 P.Gumplinger (materials-V09-06-16)
- Add dichroic filter surface

29-05-13 G.Cosmo (materials-V09-06-15)
- Replace 'pascal' with 'hep_pascal' in G4NistMaterialBuilder to avoid
  conflicts on Windows.

24-05-13 V.Ivanchenko (materials-V09-06-14)
- G4SandiaTable - fixed typo in previous tag

22-05-13 V.Ivanchenko (materials-V09-06-13)
22-05-13 V.Grichine: G4SandiaTable.hh/.cc were updated to prepare 
    a material Sandia coefficients without dynamically created arrays.

10-05-13 V.Ivanchenko (materials-V09-06-12)
- G4NistMaterialBuilder, G4IonisParamMat - minor cleanup of 
    chemical formula names, removed old commented lines,
    this is proposed by M.Trocme;
- G4Element - do not recompute Aeff and Neff (effective
    material parameters will not be changed); removed old
    commented lines, remove G4endl from exception description
- G4Material - removed old commented lines, remove G4endl from 
    exception description

01-05-13 V.Ivanchenko (materials-V09-06-11)
- G4NistMaterialBuilder, G4IonisParamMat - updated NIST material 
  parameters according to the review of  M.Trocme & S.Seltzer:
   - replaced AddElementByWeightFraction() by AddElementByAtomCount() 
     as much as possible;
   - comment out ill-defined material G4_GLUCOSE; 
   - Fixed density and atom composition of G4_POLYCHLOROSTYRENE, 
     G4_POLYVINYL_BUTYRAL, G4_TERPHENYL
- G4SandiaTable - only removed some lines which are commented

25-04-13 V.Ivanchenko (materials-V09-06-10)
- G4SandiaTable - moved all inline methods to .cc file

22-03-13 V.Ivanchenko (materials-V09-06-09)
- G4Element, G4Material, G4IonisParamElm, G4IonisParamMat, 
  G4SandiaTable - use "static const G4double" for const parameters 
    instead of "const G4double"
     
14-03-13 mma (materials-V09-06-08)
- G4Material: cosmetic in printout (operator<<)
     
01-03-13 mma (materials-V09-06-07)
- G4Element: NaturalAbanbancesFlag -> NaturalAbundanceFlag
- G4NistElementBuilder - SetNaturalAbundanceFlag(true)
    
28-02-13 V.Ivanchenko (materials-V09-06-06)
- G4SandiaTable - changed signature of GetSandiaCofPerAtom() to make
    class be thread safe
- G4Material, G4IonisParamMat - make classes thread safe - objects
    are shared between all threads
- G4NistManager, G4NistMaterialBuilder, G4NistElementBuilder - always
    create isotope vector with natural abundaces

23-02-13 V.Ivanchenko (materials-V09-06-05)
- G4SandiaTable - attempt to fix compillation problems

22-02-13 V.Ivanchenko (materials-V09-06-04)
- G4Element - make GetNaturalAbandancesFlag() const
- G4Isotope, G4Element, G4Material - comment out counters 

21-02-13 V.Ivanchenko (materials-V09-06-03)
- G4SandiaTable - fixed typo introduced in previous tag, reduced
    number of static methods/members, removed G4ThreadLocal declarations

20-02-13 V.Ivanchenko (materials-V09-06-02)
- G4SandiaTable - return back fCumulInterval array to be static

19-02-13 V.Ivanchenko (materials-V09-06-01)
- G4SandiaTable, G4IonisParamElm, G4IonisParamMat - removed part
    of G4ThreadLocal declarations and part of static methods/members 

09-01-13 V.Ivanchenko (materials-V09-06-00)
- G4NistMaterialBuilder fixed: stainless steel parameters from
  http://www.azom.com/article.aspx?ArticleID=965
  according to the Geometry Forum post 1251

14-11-12 P. Mato (materials-V09-05-33)
- Added include G4SystemOfUnits.hh in unit tests 

10-10-12 V.Ivanchenko (materials-V09-05-32)
- G4ElementData - updated and simplified 

30-08-12 Pere Mato (materials-V09-05-31)
- Added test/CMakeLists.txt

15-08-12 V.Ivanchenko (materials-V09-05-30)
- G4AtomicShell - reorder shells decenting in energy (in past shells
    were ordered by quantum numbers and for high Z atoms low-energy
    outer shells have lower indexes than some shells with higher quantum 
    numbers) 
- G4Material - when construct material from the base one use mean 
    excitation energy from base material and not recompute from scratch
- G4NistMaterialBuilder - added G4_THYMINE, G4_CYTOSINE and G4_URACIL;
    for G4_ADENINE and G4_GUANINE use combination by atom numbers and not
    by mass fraction

11-07-12 V.Ivanchenko (materials-V09-05-29)
11-07-12 V.Ivanchenko (materials-V09-05-28)
- Fixed bug of previous tag

11-07-12 V.Ivanchenko (materials-V09-05-27)
- G4SandiaTable - move inline methods with static variables to the source

05-07-12 V.Ivanchenko (materials-V09-05-26)
- G4SandiaTable - remove execution of std::pow from all functions
    instead use precomuted values in static array, removed
    unnecessary asserts from inline methods, some CPU performance
    improvement expected

11-06-12 G.Cosmo (materials-V09-05-25)
- Explicitly use inclusion of headers for system of units and physical
  constants, in plan to remove implicit inclusion from globals.hh.

26-05-12 V.Ivanchenko (materials-V09-05-24)
- G4Element - M.Kesley identified a bug in Neff computation in ref01

23-05-12 G.Cosmo (materials-V09-05-23)
- Fixed trivial cases of variable shadowing.

23-05-12 V.Ivanchenko (materials-V09-05-22)
23-05-12 V.Ivanchenko (materials-V09-05-21)
- G4NistMaterialBuilder : fixed bug introduced in the previous tag

16-05-12 gum (materials-V09-05-20)
- G4OpticalSurface : trying to fix Coverity report
- G4NistMaterialBuilder : build H2O via atom count and not mass
    fraction

09-05-12 V.Ivanchenko (materials-V09-05-19)
- G4Element, G4Isotope : fixed not important Coverity warning by
    removing "return" from constructors
- G4ExtDEDXTable - changed options to open file in order to fix
    Coverity warning
     
01-05-12 mma (materials-V09-05-18)
- G4Element, G4Material : cosmetic in printing functions
     
24-04-12 mma (materials-V09-05-17)
- G4Material : go back to materials-V09-05-15
    
23-04-12 V.Ivanchenko (materials-V09-05-16)
- G4Material : add fMassOfMolecule computation inside constructors
    with mass fraction
- G4Element : normalize to 1 the sum of isotope abundances

21-04-12 V.Ivanchenko (materials-V09-05-15)
- G4Material : add fMassOfMolecule definition into G4Material constructor 
    with base material
     
21-04-12 mma (materials-V09-05-14)
- G4Material : fMassOfMolecule, only computed when relevant
- update test/testMatComponents.cc     
     
13-04-12 mma (materials-V09-05-13)
- G4Material : map<G4Material*,G4double> fMatComponents, filled in AddMaterial()
- update test/testMatComponents.cc
     
12-04-12 mma (materials-V09-05-12)
- G4Material : new data member fMatComponents (a map), for composite built via
      AddMaterial()
- example in test/testMatComponents.cc

05-03-12 V.Ivanchenko (materials-V09-05-11)
- G4Element - add construction of Isotope vector for all elements,
    if user does not create isotopes then vector of of isotopes
    with natural abundances is created using NIST data;
    extend printout of G4Exceptions
- G4Isotope - extend printout of G4Exceptions 
- G4ExtDEDXTable - trying to fix Coverity report

25-02-12 V.Ivanchenko (materials-V09-05-10)
- G4Material - return back to the version of 9.5
     
21-02-12 mma (materials-V09-05-09)
- G4Material : fZmean, fAmean
               for single materials : GetZ(), GetA(), GetAtomicMassAmu()
	       for any materials : GetZmean(), GetAmean(), GetAmeanAmu() 
     
20-02-12 mma (materials-V09-05-08)
- G4Material : fAeff kept in geant4 unit
  GetAtomicMassAmu()  {return fAeff*mole/g;}

19-02-12 V.Ivanchenko (materials-V09-05-07)
- G4Material, G4Element, G4Isotope, G4NistManager, G4NistMaterialBuilder,
  G4NistElement - added or cleaned methods GetA(), GetAtomicMassAmu(),
  improved comments

14-02-12 V.Ivanchenko (materials-V09-05-06)
- G4NistManager - fixed compillation problem introduced in previos tags

12-02-12 V.Ivanchenko (materials-V09-05-05)
- G4Material - provided methods GetZ (effective Z) and GetA (atomic weight)
    both for simple and compound materials (before was only for simple)
- G4NistMessenger - cleanup comments
- G4NistMaterialBuilder - cleanup logic of AddMaterial method
- G4IonisParamMat - more safe computation of element index and indentifications
  of Hydrogen and Helium

09-02-12 P.Gumplinger (materials-V09-05-04)
- G4NistManager         - add ConstructNewIdealGasMaterial
- G4NistMaterialBuilder - add ConstructNewIdealGasMaterial
- G4NistElementBuilder  - add GetA(const G4String& symb)

04-02-12 V.Ivanchenko (materials-V09-05-03)
- G4NistElementBuilder - improved comments
- G4NistManager - improve comments
- G4ExtDEDXTable - an extra attempt to fix Coverity warning

24-01-12 P.Gumplinger (materials-V09-05-02)
- G4OpticalSurface.cc: remove std:: in front of fopen and fscanf

17-01-12 P.Gumplinger (materials-V09-05-01)
- G4MaterialPropertiesTable.icc: add return statement in GetConstProperty
  after G4Exception to keep a compiler happy

12-01-12 P.Gumplinger (materials-V09-05-00)
- G4MaterialPropertiesTable.icc: cosmetic changes to GetProperty,
    GetConstProperty and ConstPropertyExists methods
- G4OpticalSurface.cc: avoid compilation warning on Ubuntu

10-11-11 V.Ivanchenko (materials-V09-04-18)
- G4SandiaTable, G4IonisParamElm, G4IonisParamMat, G4OpticalSurface
    fixed problems reported by Coverity, mainly in assignment operator
     
29-10-11 mma (materials-V09-04-17)
- G4Exception : unified exceptionCode
     
28-10-11 mma (materials-V09-04-16)
- new scheme for G4Exception

14-10-11 gum (materials-V09-04-15)
- remove G4MaterialPropertyVector.icc, G4MaterialPropertyVector.cc,
  G4MPVEntry.hh and G4MPVEntry.cc from sources.cmake and put all
  entries in alphabetic order

13-10-11 gum (materials-V09-04-14)
- typedef G4PhysicsOrderedFreeVector G4MaterialPropertyVector;
  remove G4MPVEntry and modify G4MaterialPropertiesTable accordingly
     
20-08-11 mma (materials-V09-04-13)
- G4Isotope : add flag fm to identify isomer level

14-06-11 V.Ivanchenko (materials-V09-04-12)
- Fixed typo in previous tag

14-06-11 V.Ivanchenko (materials-V09-04-11)
- A.Ivanchenko review and updated body tissue compositions
  according ICRU Report 46 (1992) instead of old data (1975);
  G4_TESTES_ICRP is renamed to G4_TESTIS_ICRP;
  removed G4_CYTOSINE, G4_THYMINE, G4_URACIL, because existing 
  G4_DNA... materials more adequate to DNA applications 

08-06-11 V.Ivanchenko (materials-V09-04-10)
- G4Material - fixed typo in previous tag

08-06-11 V.Ivanchenko (materials-V09-04-09)
- G4Element, G4Material - comments to the class are rewritten to
  address bug report #1220
- G4NistMaterialBuilder - added two new materials

04-05-11 V.Ivanchenko (materials-V09-04-08)
03-05-11 V.Ivanchenko (materials-V09-04-07)
- G4IonisParamMat, G4NistManager, G4NistMessenger - attempt to fix
  Coverity bugs

01-05-11 V.Ivanchenko (materials-V09-04-06)
- G4IonisParamMat - cleanup methods, use G4Pow
- G4NistMaterialBuilder - improved comments 

05-04-11 V.Ivanchenko (materials-V09-04-05)
- G4IonisParamMat: make method DensityCorrection() inline and make 
  'twoln10' member of the class
- G4Material - fixed computation of radiation length and nuclear interaction
   length when G4Material is constructed from a BaseMaterial

04-04-11 G.Cosmo (materials-V09-04-04)
- G4IonisParamMat: move method DensityCorrection() to source file, as it is
  now using static value 'twoln10'. Required for Windows DLLs build.

03-04-11 V.Ivanchenko
- G4NistManager - implemented forgotten inline method

25-03-11 V.Ivanchenko (materials-V09-04-03)
- G4ElementData - added extra array

11-03-11 V.Ivanchenko (materials-V09-04-02)
- G4Material - added extra protections against incorrect mass fraction
               during material construction

08-03-11 V.Ivanchenko (materials-V09-04-01)
- G4Material - added Base Material pointer and corresponding methods
- G4NistMaterial - added constructor of a material using variable
     density; reduce size of internal vectors
- G4NistMaterialBuilder - cleanup methods to build materials
- G4IonisParamMat - use mean ionisation potential provided by user
     in computation of density effect 
- G4ExtDEDXTable - try to fix minor Coverity warning
- G4ElementData - added new class

23-12-10 V.Ivanchenko (materials-V09-04-00)
- G4SandiaTable - fixed trivial Coverity warning introduced in 
                  previous tag
- G4NistMaterialBuilder - fixed warning reported by Coverity concerning 
                  unnecessary instantiation of an element
- G4ExtDEDXTable - fixed Coverity warning in RetrievePhysicsTable method

23-11-10 V.Ivanchenko (materials-V09-03-14)
- G4SandiaTable - V.Grichine Bug fix in G4_Ar 

12-11-10 V.Ivanchenko (materials-V09-03-13)
12-11-10 V.Grichine Bug fix in G4SandiaTable::SandiaMixing adding 
         fVerbose and pedantic variable initialisation      

05-11-10 V.Ivanchenko (materials-V09-03-12)
- Removed obsolete unused data classes G4IronStoppingICRU73, 
  G4MaterialStoppingICRU73, G4SimpleMaterialStoppingICRU73,
  data are uploaded from G4LEDATA

04-11-10 V.Ivanchenko (materials-V09-03-11)
- G4NistMaterialBuilder - added few DNA materials

01-11-10 V.Ivanchenko (materials-V09-03-10)
- G4NistManager - use G4Pow for fast computations
- Fixed problems highlighted by the Coverity tool

26-10-10 V.Ivanchenko (materials-V09-03-09)
- G4NistMaterialBuilder - added BioChemicalMaterials and corresponding
  access methods

25-10-10 V.Ivanchenko (materials-V09-03-08)
- Fixed problems highlighted by the Coverity tool, mainly proper 
  initialisation 

20-05-10 V.Ivanchenko (materials-V09-03-07)
- G4NistMaterialBuilder - added G4_LUCITE

15-05-10 V.Ivanchenko (materials-V09-03-06)
- G4DensityEffectData - fixed method GetIndex(Z, state) for Hydrogen
                        and solid states, rename it to GetElementIndex
- G4IonisParamMat - fixed typo in the method GetInvA23, use GetElementIndex

10-05-10 V.Ivanchenko (materials-V09-03-05)
- G4IonisParamMat - added member and method GetInvA23

30-04-10 V.Ivanchenko (materials-V09-03-04)
- G4AtomicShells - improved performance by adding an array of indexes
- G4Element - moved include of G4AtomicShells header to the source file  

29-04-10 V.Ivanchenko (materials-V09-03-03)
- G4NistMaterialBuilder, G4NistManager - added method GetMeanIonisationEnergy
- G4IonisParamElm - use mean excitation energy from NIST DB; this modification
                    addressing a problem reported by Wolfgang Lukas for
                    mean energy deposition in compound materials

23-04-10 V.Ivanchenko (materials-V09-03-02)
- G4NistMaterialBuilder - added 6 new materials : G4_BRASS, G4_BRONZE,
          G4_STAINLESS-STEEL, G4_KEVLAR, G4_DACRON, G4_NEOPRENE
- G4IonisParamMat, G4DensityEffectData - added a possibility to access 
          density effect data in the case when pure material is not 
          defined via NIST; atom number and state of such materials 
          are checked.

22-04-10 P.Gumplinger (materials-V09-03-01) - thanks to Ivana Hrivnacova
- G4MaterialPropertyVector.cc: 21% speed up of code by removing new/delete
  of temporary helper object and modifying GetAdjacentBins to allow for a
  value to match a bin exactly, thus avoiding a whole extra loop.
  G4OpticalSurface.hh: change the return of GetAngularDistributionValue
  no longer dereferencing a pointer but return the value at the 
  array index.

07-01-10 G.Cosmo (materials-V09-03-00)
- G4OpticalSurface - removed left-over debug test function OverWrite() from
  header.

03-12-09 V.Ivanchenko (materials-V09-02-24)
- G4NistMessenger - fixed minor memory leak at destruction

01-12-09 G.Cosmo (materials-V09-02-23)
- Use G4double in place of G4float in G4DensityEffectData.

30-11-09 V.Ivanchenko (materials-V09-02-22)
- G4IonisParamMat - fixed liquid Argon problem

24-11-09 V.Ivanchenko (materials-V09-02-21)
- G4NistMaterialBuilder - allow to use old names of G4 materials
  G4_NYLON-6/6 and G4_NYLON-6/10 for backward compatibility

19-11-09 P.Gumplinger (materials-V09-02-20)
- change the code such that the LUT are now read in and kept by
  G4OpticalSurface and not G4OpBoundaryProcess, reordering in
  enumeration

19-11-09 V.Ivanchenko (materials-V09-02-19)
- G4IonisParamMat - fixed crash at destruction

18-11-09 G.Cosmo (materials-V09-02-18)
- G4IonisParamMat - fix for usage of static data to allow for build of
  DLLs libraries on Windows.

18-11-09 V.Ivanchenko (materials-V09-02-17)
- G4IonisParamMat - fixed minor memory leak due to G4DensityEffectData

10-11-09 P.Gumplinger (materials-V09-02-16)
- increase flexibily of G4SurfaceProperty and G4OpticalSurface classes
  to allow for Look-Up-Table boundary process simulations.
  Thanks to Martin Janecek and William Moses from LBNL

09-11-09 V.Ivanchenko (materials-V09-02-15)
- improved comments to ICRU73 classes

05-11-09 V.Ivanchenko (materials-V09-02-14)
- G4DensityEffectData - (A.Bagulya) fixed GetIndex method for compounds

04-11-09 P. Gumplinger (materials-V09-02-13)
- cleanup of include file: G4OpticalSurface.hh (and consequent small
  change in the imlementation .cc)
 
04-11-09 V.Ivanchenko (materials-V09-02-12)
- G4VIonDEDXTable - (A.Lechner) added new method (BuildPhysicsVector) which
                    invoke the build process of physics vectors on demand in
                    the initialisation phase
- G4SimpleMaterialStoppingICRU73 - (A.Lechner) added method BuildPhysicsVector
                    according to change in base class
- G4MaterialStoppingICRU73 - (A.Lechner) added method BuildPhysicsVector
                    according to change in base class, changed material name 
                    from G4_NYLON-6/6 to G4_NYLON-6-6
- G4IronStoppingICRU73 - (A.Lechner) added method BuildPhysicsVector
                    according to change in base class
- G4ExtDEDXTable - (A.Lechner) added method BuildPhysicsVector according to 
                   change in base class
- G4IonStoppingData - (A.Lechner) new class, which can read ion stopping power 
                      vectors contained in G4LEDATA: Allows to include larger
                      physics vectors than those in the ICRU 73 classes, where
                      vectors are restricted to the maximum energy 10 MeV/nuc.
- G4NistMaterialBuilder - (A.Lechner) changed following material names:
                           * from G4_NYLON-6/6 to G4_NYLON-6-6
                           * from G4_NYLON-6/10 to G4_NYLON-6-10
                          to allow matching with ion stopping power data files,
                          which have material name in the file name  
- G4DensityEffectData - (A.Bagulya) added method GetIndex
- G4IonisParamMat - (A.Bagulya) fixed density effect computation;
                    added plasma energy computation and access to
                    G4DensityEffectData by the atomic number

01-11-09 A.Lechner (materials-V09-02-11)
- G4MaterialStoppingICRU73 - (A.Lechner) Extended the energy range of revised
                             ICRU 73 tables for water from 0.025 - 10 MeV/u to
                             0.025 - 1 GeV/u. Added new function (AddPhysics-
                             VectorFullRange) for creating the corresponding
                             physics vectors.

30-10-09 V.Ivanchenko (materials-V09-02-10)
- G4DensityEffectData - (A.Bagulya) added data from Atom. Data Nucl. 
                                  Data Tabl. 30 (1984) 261 accessible
                                  via material name
- G4NistMessenger - (A.Bagulya) added UI command to print parameters of
                    density effect data
- G4IonisParamMat - added new members: Eplasma, AdjustmentFactor,
                    Delta0 parameter of density effect parameterization,
                    and pointer to G4DensityEffectData;
                    added new access method and method DensityCorrection;
                    fixed copy constructor
- G4NistMaterialBuilder - (A.Ivantchenko) changed density of G4_GRAPHITE
                                  according to PDG'2008, added new
                                  material G4_GRAPHITE_POROUS

17-09-09 V.Ivanchenko (materials-V09-02-09)
- G4Element - (V. Grichine) added method GetNbOfShellElectrons which
                            returns the number of electrons on a shell 

17-07-09 V.Ivanchenko (materials-V09-02-08)
- G4NistManager, G4NistMessenger, G4NistElementBuilder - improved 
         implementation of UI commands

25-05-09 V.Ivanchenko (materials-V09-02-07)
- Renamed G4ExternalDEDXTable class to G4ExtDEDXTable to allow for generation
  of DLLs on WIN32-VC, where "External" is used to tag symbols in the DLLs
  generation process.

11-05-09 V.Ivanchenko (materials-V09-02-06)
- G4ExternalDEDXTable: A.Lechner bug-fix in ClearTable function to avoid 
                       illegal deletion of physics vectors.

07-05-09 V.Ivanchenko (materials-V09-02-05)
- G4IronStoppingICRU73: the upper limit of the data vector is extended 
                        from 10 MeV to 1 GeV; 53 bins are used
- G4NistMaterialBuilder: mean ionisation potential for G4_WATER is set
                        to 78 eV according to GSI Annual Report (2008) p.373
                        and recommendation of Prof.P.Sigmund in order to
                        consistent with ICRU'73 tables 

29-04-09 V.Ivanchenko (materials-V09-02-04)
  Fixed ICRI'73 data provided by Prof.P.Sigmund Univ. Southern Denmark
- G4MaterialStoppingICRU73: G4WATER, G4WATER_VAPOR, G4NYLON-6/6 
- G4SimpleMaterialStoppingICRU73: G4_Cu
- G4IronStoppingICRU73: G4WATER data added
  Also fixed GetDEDX methods in these classes for E=10 MeV (upper limit) 

24-04-09 G.Cosmo (materials-V09-02-03)
- Make visible GetEntry() accessor in G4MaterialPropertyVector for use
  restricted to persistency.

20-04-09 G.Cosmo (materials-V09-02-02)
- Use 'const' references for strings as arguments/return-values in material
  properties tables and related classes. Inlined some methods and some minor
  cleanup.
- Added Entries() method to G4MaterialPropertyVector and accessors for maps
  in G4MaterialPropertiesTable, required for internal use in persistency of
  material properties.

18-03-09 A.Lechner, V.Ivanchenko (materials-V09-02-01)
- New interface class G4VIonDEDXTable for electronic stopping power 
  tables for ions.
- New utility class G4ExternalDEDXTable to handle external electronic 
  stopping power tables for ions.
- Migrated classes for ICRU'73 stopping power (G4IronStoppingICRU73,
  G4MaterialStoppingICRU73, G4SimpleMaterialStoppingICRU73) to the
  the new G4VIonDEDXTable interface:
  o Changed access methods of physics vectors (vectors can also be
    identified via atomic number of material if material is pure);
  o Classes now deliver mass stopping powers instead of stopping powers per 
    unit length;
  o Any dependency on ICRU 73 material densities is removed (densities are
    no longer included in the classes);
  o Stopping power vectors are now only built on request and no longer in 
    the constructor.

19-02-09 V.Ivanchenko (materials-V09-02-00)
- G4MaterialStoppingICRU73: added 4 forgotten materials from ICRU'73.
- G4SimpleMaterialStoppingICRU73: fixed density of Mo and number of materials.

11-12-08 G.Cosmo (materials-V09-01-20)
- Added dummy default constructor in G4OpticalSurface and G4SurfaceProperty.
- Removed debug printout function Overwrite().

14-11-08 G.Cosmo (materials-V09-01-19)
- Added SetName() method to G4Element, G4Isotope, G4Material for use
  in detector persistency. Use "const G4String&" for accessors, instead
  of implicit copy...

02-11-08 V.Ivanchenko (materials-V09-01-18)
- G4IronStoppingICRU73, G4MaterialStoppingICRU73,
  G4SimpleMaterialStoppingICRU73: fixed inline methods.

24-10-08 V.Ivanchenko (materials-V09-01-17)
- G4IronStoppingICRU73, G4MaterialStoppingICRU73,
  G4SimpleMaterialStoppingICRU73: renamed ICRU'73 data classes and inlined
  accessors.

20-10-08 V.Ivanchenko (materials-V09-01-16)
- G4IronStopping, G4MaterialStopping, G4SimpleMaterialStopping: added 
  ICRU'73 data on stopping powers 25 keV/n - 10 MeV/n

13-08-08 V.Ivanchenko (materials-V09-01-15)
- G4Material: use array size defined in material constructor, extend it if
  a component is a compound material 

07-08-08 V.Ivanchenko (materials-V09-01-14)
- G4NistElementBuilder: use best known parameterisation for total
  binding energy of atoms, use standard masses for lightest stable isotopes
- G4NistManager and G4NistElementBuilder: added method 
  GetTotalElectronBindingEnergy().
- G4Isotope: use AtomicMass instead of NuclearMass.
- G4Element: use G4int(fZeff) everywhere in the class.

23-07-08 V.Ivanchenko (materials-V09-01-13)
- G4NistManager: fixed bug introduced in tag (-11).

21-07-08 P.Gumplinger (materials-V09-01-12)
- G4SurfaceProperty and G4OpticalSurface, make them truly polymorphic.

17-07-08 V.Ivanchenko (materials-V09-01-11)
- G4NistManager: added inline methods to speed up EM computations.

16-07-08 P.Gumplinger (materials-V09-01-10)
- G4SurfaceProperty changed method name from DumpInfo to DumpTableInfo.

08-07-08 V.Ivanchenko (materials-V09-01-09)
- G4IonisParamMat - added fMeanEnergyPerIon and Set/Get methods

27-06-08 G.Cosmo (materials-V09-01-08)
- Added virtual destructor to G4OpticalSurface and derivated.
  Addresses problem report #1014.

05-06-08 P.Gumplinger (materials-V09-01-07)
- G4MPVEntry, G4MaterialPropertyVector, G4MaterialPropertiesTable -
  trivial name changes: momentum->energy, momenta->energies

04-06-08 V.Ivanchenko (materials-V09-01-06)
- G4NistElementBuilder - provided unique name for each isotope of an element
                         (P.Gumplinger)
- G4IonisParamElm - added Fermi velocity and L-factor (both used for 
                    parameterizations of the effective charge and 
                    stragling of ions);
- G4IonisParamMat - use Fermi velocity and L-factor from G4IonisParamElm

02-06-08 V.Ivanchenko (materials-V09-01-05)
- G4Element - extended printput of errors and warnings; more safe check
              of consistence between Z and A in the constructor

28-04-08 V.Ivanchenko (materials-V09-01-04)
- G4NistManager, G4NistMaterialBuilder, G4NistElementBuilder 
  added better comments
     
17-03-08 mma (materials-V09-01-03)
- G4Material : cout << NuclearInteractionLength
     
11-03-08 mma (materials-V09-01-02)
- G4IonisParamMat - remove NistManager dependence
     
10-03-08 mma (materials-V09-01-01)
- G4IonisParamMat - add Birks constant
  
06-03-08 V.Ivanchenko (materials-V09-01-00)
- G4NistMaterialBuilder - use correct dimension for the density for
  ConstructNewMaterial methods
- G4Material - improve G4cerr printout

11-12-07 G.Cosmo (materials-V09-00-08)
- Made GetZ13() and GetLOGA() in G4NistManager not inlined (since they
  handle static data), to allow for building of DLLs on WIN32-VC platform.

30-10-07 V.Ivanchenko (materials-V09-00-07)
- G4NistManager and G4NistMaterialBuilder - set default state kStateSolid
                (before was kStateUndefined) - this modification keep 
                existing user code unchanged

28-10-07 V.Ivanchenko (materials-V09-00-06)
- G4NistManager and G4NistMaterialBuilder - extended interfaces to build 
                new materials: added G4State, temperature, pressure 
                (gasses are allowed), because of default values for
                these extra parameters no interface change to users

18-10-07 V.Ivanchenko (materials-V09-00-05)
- G4NistManager - added deletion of isotopes (fixed problem of double 
                  deletion); added precomputed Z^1/3 and log(A)
- G4Material - move registration in MaterialTable from constructors
               to InitialisePointers; added Imean to printout
- G4Element  - do not delete isotopes; move registration in ElementTable 
               from constructors to ComputeDerivedQuantities

01-10-07 V.Ivanchenko (materials-V09-00-04)
- G4SandiaTable - fixed memory leak

01-10-07 V.Ivanchenko (materials-V09-00-03)
- G4SandiaTable - separated computations of tables photo-absobtion 
                  coeffitients for photo-electric effect and PAI model; 
                  added fMatSandiaMatrixPAI ordered table; 
                  general cleanup, reduce number of static variables;

27-09-07 V.Ivanchenko (materials-V09-00-02)
- G4IonisParamMat - add comutation and get methods for parameters of
  ion inonisation: Fermi energy, effective Z, effective L-factor;
  they will not be recomputed at each step 

27-07-07 V.Ivanchenko (materials-V09-00-01)
- G4NistManager - simplified logic of Print methods
- G4NistElementBuilder  - added protection to Print method
- G4NistMaterialBuilder - modified FindOrBuildMaterial method - NIST
                          material is built even user create a material
                          with the same name, so NIST materials 
                          parameters cannot be substituted
- G4Material, G4Element - fix destructors, now all materials and elements
  are deleted at the end of a run

26-07-07 V.Ivanchenko (materials-V09-00-00)
- G4Nistmanager provide destruction of all materials and elements
- G4NistElementBuilder - for given Z build only one Nist element
     and allow user create other elements with given Z (HP physics
     requirement)

19-06-07 V.Ivanchenko (materials-V08-03-02)
- G4SandiaTable - comment out destruction of G4OrderedTable

15-06-07 V.Ivanchenko (materials-V08-03-01)
- G4SandiaTable - fixed non-initilised pointer in constructor, int -> G4int

14-06-07 V.Ivanchenko (materials-V08-03-00)
- G4SandiaTable - added deletion of elements of the table in destructor

14-08-07 V.Ivanchenko (materials-V08-03-00a)
- G4NistElementBuilder - protection (Z>=limitNumElements) inside BuildElement
                         (Mokka request)

02-05-07 V.Ivanchenko (materials-V08-02-02)
- G4NistManager and G4NistElementBuilder - add GetNistFirstIsotopeN
  and GetNumberOfNistIsotopes methods

25-04-07 P.Gumplinger (materials-V08-02-01)
- add file G4SurfaceProperty.cc, modify G4SurfaceProperty.hh to provide
  a static G4SurfacePropertyTable akin to G4MaterialTable
  add G4Exception to SetGROUPVEL when E_photon <= 0

10-07-06 V.Ivanchenko (materials-V08-02-00)
- G4Material - fill fAtomVector in the case, when material is built
  from Element mass fractions
- G4NistMaterialBuilder - add liquids O2 and N2
- G4NistElementBuilder - add protection Z<=101

27-06-06 V.Ivanchenko (materials-V08-01-01)
- Add methods to access vector of names of NIST elements and materials 
  (ILC requirement)
- Add methods GetAtomicMass, AddIsotopeMass - return atom mass amd 
  nuclear mass in G4 units
- Add GetTotalBindingEnergy method to G4AtomicShells
- Add Get/SetNaturalAbandancesFlag (requirement of hadronic group)

27-06-06 V.Ivanchenko (materials-V08-01-00)
- G4NistMaterialBuilder - fix graphite desctription

11-05-06 V.Ivanchenko (materials-V08-00-03)
- G4NistManager and G4NistMaterialBuider - add warning flag to control cout
- G4NistElementBuilder - do not subtract mass of electrons from NIST mass

02-05-06 V.Ivanchenko (materials-V08-00-02)
- G4NistManager and G4NistElementBuider - add G4IsotopeAbundance method
- G4NistElementBuilder - subtract mass of electrons from NIST mass

18-03-06 V.Ivanchenko (materials-V08-00-01)
- G4NistMaterialManager - fix bug in regime of combine material definition:
                          partially via NIST DB, partially by user 

09-03-06 V.Ivanchenko (materials-V08-00-00)
- G4NistMaterialBuilder - Add method  ConstructNewGasMaterial
- G4Material - minor change of printout
- G4NistManager - add method GetAtomicMassAmu(Z)
     
22-11-05 G.Cosmo (materials-V07-01-03)
- Additional minor changes needed for direct object persistency.

18-11-05 G.Cosmo (materials-V07-01-02)
- Additional minor changes needed for direct object persistency.
  Temporary solution, pending improvements in the external client
  persistency tool.

15-11-05 mma (materials-V07-01-01)
- G4bool warning=true in GetMaterial(), GetElement(), GetIsotope().
  
09-11-05 G.Cosmo (materials-V07-01-00)
- Added fake default constructor for isotopes, elements, materials and
  relevant related classes, for usage of direct object persistency of
  detector description.

31-10-05 V.Ivanchenko
- G4NistMaterialBuilder: add chemical formulas for number of materials,
  add temperature and presure explicitly for each material, that will
  allow to have other than STP parameters for gases

22-06-05 V.Ivanchenko (materials-V07-00-07)
- change 1 -> 1.0 for water density

08-06-05 V.Ivanchenko (materials-V07-00-06)
- take the head of subdirectory - murge tags 04 and 05

16.05.05 P.Gumplinger (materials-V07-00-05)
- Add SetGROUPVEL() courtesy of Horton-Smith (bug report #741)
     
13-05-05 V.Ivanchenko (materials-V07-00-04)
- add acknowledgement in the Nist classes
     
10-05-05 mma (materials-V07-00-03)
- add a missing coma in G4IonisParamMat::FindMeanExcitationEnergy() - Bug#746

01-04-05 mma (materials-V07-00-02)
- G4Element: new data member fIndexZ to count the number of elements with same Z
     
31.03.05 mma
- G4Isotope: make A optional (taken from Nist data base by default) 
- warning in GetMaterial(materialName) and GetElement(elementName)

18.03.05 S.Sadilov (materials-V07-00-01)
- Fixed compilation problem on Windows for G4NistElementBuilder.
     
22.02.05 mma (materials-V07-00-00)
- new classes G4NistManager, G4NistMessenger
  deleted G4NistMaterialManager
       
11.02.05 mma 
- new classes G4NistElementBuilder, G4NistMaterialBuilder, G4NistMaterialManager
  and test/G4NistMaterialTest1.cc, G4NistMaterialTest2.cc
	 
07.12.04 G.Cosmo - materials-V06-02-02
         Implemented migration to <cmath>.

06.09.04 V.Ivant - materials-V06-02-01 
         Recalculate ionisation parameters after set of new
         mean ionisation potential; added factor 2 to shell correction term.
     
19.07.04 mma - materials-V06-02-00
         Put a protection in G4AtomicShells::GetNumberOfShells(Z)
	 
13.05.04 P.Gumplinger - materials-V06-01-01
         Added new utility method ConstPropertyExists(const char * key)
         returning true/false according to the existance of the 'key' in
         the table G4MaterialPropertiesTable.
     
05.03.04 V.Grichine - materials-V06-01-00 
         new methods for old sorting algorithm for PAI model
	 
03.02.04 V.Ivant - materials-V06-00-01
         Fix problem of destructor of G4SandiaTable
     
22.01.04 mma - materials-V06-00-00
         G4Material.cc: proper STL handdling of theElementVector (Hisaya)

01.12.03 P.Gumplinger - materials-V05-02-00
         Added base class G4SurfaceProperty.
         G4OpticalSurface[.hh.cc]: modified to inherit from G4SurfaceProperty.

18.06.03 G.Cosmo - materials-V05-01-01
         G4Isotope.cc G4Element.cc, G4Material.cc: removed usage of
         G4USE_STD_NAMESPACE after g4std migration.

19.05.03 G.Cosmo - materials-V05-01-00
         G4Isotope.cc: fixed bug in operator=.
         Fixes problem report #429. (M.Maire)
         G4SandiaTable.cc: cleared trivial pedantic warning.

05.11.02 P.Gumplinger - materials-V04-01-03
         Add constant material properties to the G4MaterialPropertiesTable

29.10.02 V.Ivanchenko - materials-V04-01-02
         G4IonisParamMat: Add Set and Find MeanExcitation energy methods.
         
17.10.02 V.Ivanchenko - materials-V04-01-01
         G4IonisParamElm.cc: Fix excitation energy interpolation.
    
06.08.02 M.Maire - materials-V04-01-00
         Remove constructors with chemical formula 
	      
06.05.02 M.Maire - materials-V04-00-03
         Remove the check of the ideal gas state equation
	     
16.04.02 M.Maire - materials-V04-00-02
         G4StaticSandiaData: bug fixed in Pb: comma after  15.861
	 G4Exception put in constructor with chemical formula 
	      
22.02.02 M.Maire - materials-V04-00-01
         fIndexTable renewed in G4Material, G4Element, G4Isotope.

22.01.02 M.Verderi - materials-V04-00-00
	 Fixed G4MaterialPropertyVector::AddElement() which wasn't make use
	 of G4MPVEntry ordering in the G4std::vector<G4MPVEntry*> MPV vector.
	 This happens since the STL migration (while method "insert" of Rogue-Wave
	 was taking care about.)
	 Changes in G4MaterialPropertyVector.hh, G4MaterialPropertyVector.cc
	 and test/testMaterialPropertyVector.cc

29.11.01 G.Cosmo - materials-V03-02-07
         Fixed declaration of ostream attributes to use standard 'fmtflags'
         type for ANSI compilers. Fixes compilation error on gcc-3.0.2.
         Modified files: G4Isotope.cc, G4Element.cc, G4Material.cc.

28.11.01 G.Cosmo - materials-V03-02-06
         Fixed bug in G4MaterialPropertyVector::RemoveElement() for the
         initialisation of a local pointer. Fixes compilation problem on VC++.

31.10.01 M.Maire - materials-V03-02-05 
         New function G4Materials::SetChemicalFormula().

17.10.01 G.Cosmo - materials-V03-02-04
         Removed all static inline methods in G4Isotope, G4Element,
         G4Material and G4SandiaTable. Now placed in respective .cc files.
         Fixed memory leak in G4SandiaTable::ComputeMatSandiaMatrix(),
         for deletion of temporary vectors Z, tmp1, tmp2.
         Moved definitions of G4IsotopeVector and G4ElementVector,
	 G4ElementTable and G4MaterialTable to the appropriate headers.
         Replaced NULL with 0 whereever needed.

19.09.01 G.Cosmo - materials-V03-02-03
         Fixed initialisation of STL collections in costructors and assignment
         operators. Fixes warnings detected on HP-aCC.
     
14.09.01 M.Maire - materials-V03-02-02
         G4Isotope,Element,Material: IndexInTable is obtained dynamically
	 via GetIndex(). An Isotope,Element,Material can be deleted.
	 fCountUse counts the nb of materials which reference a given element.
	 (idem for elements->isotope) 

31.08.01 P.Gumplinger - materials-V03-02-01
         Fix printing of property name and check for NULL property vector 
         pointer in G4MaterialPropertiesTable:DumpTable; and correct warning
         message in RemoveEntry method.
         Improve printing in G4MaterialPropertyVector::DumpVector.

17.07.01 M.Verderi - materials-V03-02-00
	 Complete migration to STL. Tag proposed for testing.

06.06.01 G.Cosmo - materials-V03-01-01
         Explicitly initialise to zero values of G4DataVector used to create
         sandia-matrix in method ComputeMatSandiaMatrix().
         This fix clears warnings detected on HP-aCC.
         Coworks with tag "global-V03-01-01".

18.05.01 G.Cosmo - materials-V03-01-00
         Cleared pedantic warnings detected by Linux-g++ with ISO/ANSI setup.
     
03.05.01 M.Maire
         precision(prec) at begin/end of operator<<  Isotope,Element,Material
     
02.05.01 Marc+mma
         protection added in G4Element::AddIsotope() against no coherent Z

03.04.01 M.Maire - materials-V03-00-07
         removed warning to cerr in GetIsotope(name), GetElement(name),
	 and GetMaterial(name).
         fnulcof added as data member in G4SandiaTable.
     
22.03.01 M.Maire - materials-V03-00-06
         revision of destructor, copy constructor, assignement operator in
	 G4IonisParamElm, G4IonisParamMat, G4Isotope, G4Element, G4Material
	      
22.02.01 M.Maire - materials-V03-00-05
         G4SandiaTable : protection added in GetSandiaCofForMaterial(energy)
	            
Feb     16, 01 M.Maire - materials-V03-00-04
               G4SandiaTable : major bug in GetSandiaCofPerAtom (units!).
	       redesign of ComputeMatSandiaMatrix.
	       Include materials-V03-00-02 
	       
Feb     05, 01 G.Cosmo - materials-V03-00-03
               STL migration for G4OrderedTable and G4DataVector.
               Modified files: G4SandiaTable.cc.
               NOTE: this tag does not include changes in materials-V03-00-02.

Jan     28, 01 M.Maire - materials-V03-00-02
               new method G4Material::GetNuclearInterLength()
	  
Jan     16, 01 V.Ivanchenko - materials-V03-00-01
               IonisParamElm.cc : excitation potential is tabulated
               according ICRU Report #37.
	       
Jan     16, 01 L.Urban  - materials-V03-00-00
               bug fixed in IonisParamMat.cc : E100eV instead of E100keV
               This bug affected the values of the density correction
               parameters in the energy loss (dE/dx) computation,
               its effect was quite big (~ 3-5 % error in dE/dx
               in the energy range 1 MeV - 50 MeV !!!)
	       
Nov     09, 00 V.Grichine - materials-V02-00-01
               included test/ directory which was not tagged.

August  04, 00 V.Grichine - materials-V02-00-00
               G4SandiaTable.cc: fixed initialization of pointers in
	       constructor and corrected deletion of fPhotoAbsorptionCof
	       in destructor.

June    15, 00 G.Cosmo  - materials-V01-01-00
               fixed usage of pow(double,double) in G4SandiaTable.
     
March   03, 00 M.Maire  - materials-V01-00-00
               const char* everywhere in G4MaterialPropertiesTable
	       
Nov     16, 99 G.Cosmo  - materials-V00-01-03
               Removed useless inclusion of RW tphdict.h from
	       G4MaterialPropertiesTable.hh. This tag includes the global
	       migration RWT->G4RWT (still CVS headers are different on the HEAD).

Nov     09, 99 P.Gumpliger  - materials-V00-01-02
               changes to comments for Software Reference Manual in
	       G4MPVEntry.hh, G4MaterialPropertyVector.hh, G4OpticalSurface.hh.
	       Migrated G4MaterialPropertiesTable from RW dictionary to STL map.

July    28, 99 M.Maire  - materials-V00-01-00
               new G4Material constructor with chemical formula
	                 
August  13, 98 M.Maire  - materials-00-02-01
               new static method G4Material::GetMaterial(name)     
     
July    17, 98 M.Maire  - materials-00-01-04
               correction in ComputeDensityCorrection() for gas
               (G4IonisParamMat.cc)    
     
July    10, 98 M.Maire  - materials-00-01-03
               Ionisation parameters put in a subclass
               coworks with em-00-01-03
                   
July     8, 98 M.Maire  - materials-00-01-02
               restored G4MaterialTable, ElementTable, ElementVector 
               to be compatible with pre-beta01-02
               
July     7, 98 M.Maire  - materials-00-01-01
               continue cleanup: Elements and Materials
               new output formats: operator<< overloaded
               
June    30, 98 M.Maire  - materials-00-07-01
               new method AddMaterial() for mixture of mixtures.
               start the cleanup of the category. G4Isotope done. 
               G4IsotopeTable typedef directly include in G4Isotope.hh
               G4MaterialTest.cc illustrate all possible case to 
               define materials.
               
     
June    06, 98 M.Maire  - materials-00-06-01
               new G4AtomicShells class (Vladimir)
               kState = kVacuum removed (minimal lower density set
                                         by default)

April   17, 98 M.Maire  - materials-00-05-01
 
April   08, 98 G.Cosmo
- Added fixes for DEC-cxx 6.0 compiler, related to for-loop index
  declarations. Modified G4SandiaTable.cc.

March     5, 98 M.Maire - materials-00-04-01

January  29, 98 M.Maire - materials-00-03-01

December 19, 97 G.Cosmo - (alpha03)
- Created.

