# Category materials History

See `CONTRIBUTING.rst` for details of **required** info/format for each entry,
which **must** added in reverse chronological order (newest at the top).
It must **not** be used as a substitute for writing good git commit messages!

-------------------------------------------------------------------------------

## 2024-04-04 Vladimir Ivanchenko (materials-V11-01-15)
- G4NistMaterialBuilder in the method HepAndNuclearMaterials()
    G4_BRASS, G4_BRONZE, and G4_STAILESS_STEEL are defined using
    mass fractions of components instead of number of atoms
    in order to have more natural description (problem #2601).
    Results may be changed on level 10^-5 due to numerical differences.

## 2023-11-13 Ben Morgan (materials-V11-01-14)
- Use G4FindDataDir to access data libraries in place of raw `getenv`.

## 2023-11-07 Vladimir Ivanchenko (materials-V11-01-13)
- G4ElementData - fixed memory leak at exit
- G4NistElementBuilder - minor clean-up

## 2023-11-03 Ben Morgan (materials-V11-01-12)
- Use "G4" prefixed version of EXPAT/ZLIB CMake variables

## 2023-10-25 Vladimir Ivanchenko (materials-V11-01-11)
- G4NistMaterialBuilder - changed mean ionisation potential of carbone and
    graphite from 78 eV (ICRU73 recommendation) to 81 eV (ICRU90 recommendation)
    to address problem #2568 (Andrew Sutton); define state as kStateLiquid 
    for several liquids including G4WATER.
- G4Material - added extra comments to Set methods to address problem #2569;
    use std::size_t.
- G4IonisParamMat - use std::size_t
- G4ICRU90StoppingData - use 'const' inside the code where 
    possible; use std::size_t; use arrays of energies as G4float.

## 2023-10-13 Daren Sawkey (materials-V11-01-10, 09)
- G4MaterialPropertiesIndex, G4MaterialPropertiesTable - add material constant
  properties for G4Scintillation particle-dependent time constants

## 2023-10-13 Daren Sawkey (materials-V11-01-08)
- G4MaterialPropertiesTable - improve Exception messages; improve building
  vectors of mat.prop. names; issue warning for mat.prop. vector of length 1

## 2023-09-29 Vladimir Ivanchenko (materials-V11-01-07)
- G4ElementData - allow index 0 in data structure (before there was 
    limitation Z > 0), which is useful for pair production model

## 2023-09-19 Vladimir Ivanchenko (materials-V11-01-06)
- G4ElementData - added G4Physics2Dvector component optional structure;
    subdivide run time method on two groups: with or without check on
    input parameters: use std::size_t type.
- G4NistManager - simplified for-loops, return back AutoLock into access
    method

## 2023-09-15 Vladimir Ivanchenko (materials-V11-01-05)
- G4ElementDataRegistry - added extra method GetElementDataByName(..)

## 2023-09-04 Vladimir Ivanchenko (materials-V11-01-04)
- G4ElementDataRegistry - new key management class for shared data
- G4ElementData - use G4ElementDataRegistry
- source.cmake - use alphabetical order of classes and properly format

## 2023-04-04 C. Inguimbert (materials-V11-01-03)
- G4MicroElecMaterialStructure - modification in the GetLimitEnergy function
  to account for the changes in the treatment of weakly bound electrons of
  microelec inelastic model

## 2023-02-09 Ben Morgan (materials-V11-01-02)
- Housekeeping: apply standard and extended clang-tidy fixes, normal order
  access specifiers and docstrings, apply clang-format.

## 2022-12-12 Ben Morgan (materials-V11-01-01)
- Remove obsolete GNUmakefile scripts

## 2022-12-09 Vladimir Ivanchenko (materials-V11-01-00)
- G4Material - allowed recursive search for based material (fix problem #2520)

## 2022-11-16 Gabriele Cosmo (materials-V11-00-19)
- Fixed compilation warnings for implicit type conversions on macOS/XCode 14.1.

## 2022-11-03 Vladimir Ivanchenko (materials-V11-00-18)
- G4NistMaterialBuilder - S. Zein fix bio-medical material
    descriptions for G4_ADENINE, G4_GUANINE, G4_CYTOSINE,
    G4_THYMINE, G4_DEOXYRIBOSE, and add G4_PHOSPHORIC_ACID

## 2022-10-26 Daren Sawkey (materials-V11-00-17)
- G4MaterialPropertiesIndex, G4MaterialPropertiesTable, G4SurfaceProperty
  Parameters to specify opticalphoton transport through thin film coating.
  Contribution of Laurie Cappellugola et al, Aix Marseille U.

## 2022-10-20 Vladimir Ivanchenko (materials-V11-00-16)
- G4Material - added an extra check (nAtoms>0) inside 
    method AddElementByNumberOfAtoms(..) to address #2514 

## 2022-10-13 Vladimir Ivanchenko (materials-V11-00-15)
- G4AtomicShell - extra data is added for Z=101-104 by R. Chakma;
- G4AtomicShell, G4AtomicShell_XDB_EADL - change format of 
    internal tables allowing to make diff and see differences
    in a clear way

## 2022-08-30 Vladimir Ivanchenko (materials-V11-00-14)
- G4CrystalExtension - fixed Coverity warning.

## 2022-08-30 Vladimir Ivanchenko (materials-V11-00-13)
- G4CrystalExtension - fixed Coverity warning and minor clean-up.

## 2022-07-19 Vladimir Ivanchenko (materials-V11-00-12)
- fixed Coverity warning in G4CrystalExtension.

## 2022-05-23 Gabriele Cosmo (materials-V11-00-11)
- Corrected G4UCNMicroRoughnessHelper destructor.

## 2022-05-16 Guilherme Amadio (materials-V11-00-10)
- Replace getenv() calls for data variables with G4FindDataDir()

## 2022-05-02 Vladimir Ivanchenko (materials-V11-00-09)
- G4Material - fixed trivial Coverity warnings.

## 2022-04-12 Vladimir Ivanchenko (materials-V11-00-08)
- G4NistManager, G4NistMaterialBuilder, G4NistElementBuilder -
    used G4AutoLock for code simplification.
- G4Material - fixed exception messenges, moved G4Exp, G4Log headers 
    from include to source.

## 2022-04-12 Vladimir Ivanchenko (materials-V11-00-07)
- G4DensityEffectData, G4IonisParamMat - fixed density effect correction
    for liquid hydrogen (problem #2346), code clean-up.
- G4NistMaterialBuilder - fixed mean ionisation potentilal of carbon
    to the current NIST value from 81 eV to 78 eV (problem #2474).
- G4Material - reorganized AddElement(..) and AddMaterial(..) methods,
    temporary vector are used that allows addition of the same elements
    during initialisation, when addition completed the vector of elements
    and arrays of fractions are created, filled and temporary vectors
    are deleted, as a result the code become more transparent and 
    fixing problem #2486.

## 2022-02-28 Ben Morgan (materials-V11-00-06)
- Apply set of clang-tidy modernize, readability and performance fixes.

## 2022-02-22 Daren Sawkey (materials-V11-00-05)
- G4MaterialPropertyVector, G4OpticalMaterialProperties. Insist material property
  vectors are in increasing order of energy. Modified from pull request 42.

## 2022-02-04 Vladimir Ivanchenko (materials-V11-00-04)
- G4SandiaTable - fixed compilation warning on unused variable

## 2022-01-28 Ben Morgan (materials-V11-00-03)
- Replace `geant4_global_library_target` with direct file inclusion and
  call to `geant4_add_category` to define library build from source modules.

## 2022-01-17 Daren Sawkey (materials-V11-00-02)
- G4MaterialPropertiesTable - set G4MaterialPropertyVector verbosity to 1

## 2021-12-19 Vladimir Ivanchenko (materials-V11-00-01)
- G4DensityEffectData - Matthew Strait fix typos in the density effect data table
    (problem #2423) for 8 materials, the most significant fix for G4_Tm, small 
    for G4_Be, G4_Mg, G4_Fe, and G4_Y.

## 2021-12-10 Ben Morgan (materials-V11-00-00)
- Change to new Markdown History format

---

# History entries prior to 11.0

10-11-21 V.Ivanchenko (materials-V10-07-26)
- G4Material - revised and updated all G4Exceptions, provided complete
    information for all exceptions, text become more precise,
    functionality does not changed, this is the CMS request.

18-10-21 B.Morgan (materials-V10-07-25)
- Use std::string member functions from G4String in place of synonyms

16-10-21 D.Sawkey (materials-V10-07-24)
- G4MaterialPropertiesTable - fix error with ConstPropertyExists(string)

13-10-21 D.Sawkey (materials-V10-07-23)
- G4MaterialPropertiesTable - return const refs to vectors for
  material[const]props and names. Rename Get[Const]PropertyMap to
  Get[Const]Properties.

07-10-21 D.Sawkey (materials-V10-07-22)
- G4MaterialPropertiesTable - return nullptr when GetProperty(string)
  called for non-existent property; fix error in GetMatConstPropNames

19-09-21 V.Ivanchenko (materials-V10-07-21)
- G4IonisParamMat - return exact computations according to the 
    original publication (fix #2334)
- G4DensityEffectData - minor clean-up

01-10-21 D.Sawkey (materials-V10-07-20)
- G4MaterialPropertiesTable - FatalException if asked for index of
  non-existent property (fix Coverity defect)

19-09-21 V.Ivanchenko (materials-V10-07-19)
- G4DensityEffectCalculator - Matthew Strait critically updated
    calculations (fix #2330)

09-09-21 D.Sawkey (materials-V10-07-18)
- G4MaterialPropertiesTable: - use std::vectors for material properties and
  material const properties, rather than std::map (speed increase).
  - use bool flag with mat const property to indicate whether it is defined
  - renaming of variables: fist letter lower case, class variables start with f
  - remove iterators to mat prop vectors (use C++11 iteration)

02-09-21 D.Sawkey (materials-V10-07-17)
- G4MaterialPropertiesTable: fix AddConstProperty with new key;
  fix RemoveConstProperty; make exception codes unique

17-08-21 J.Hahnfeld (materials-V10-07-16)
- Define operator<< for G4ElementVector, take const references to avoid
  needless copy construction

04-08-21 A.Ribon (materials-V10-07-15)
- G4ExtendedMaterial : removed useless dependence on G4PhysicsModelCatalog,
  and improved comment.

19-07-21 V.Ivanchenko (materials-V10-07-14)
- G4MaterialPropertyTable - add "spline" argument to method, which
    creates G4MaterialPropertyVector

14-07-21 V.Ivanchenko (materials-V10-07-13)
- G4ElementData - reduce length of internal arrays from 108 to 99,
    max number 99 is used by G4LivermorePhotoElectricModel, hadronic
    models use 93
- G4ElementVector - use const pointer to G4Element

12-07-21 V.Ivanchenko (materials-V10-07-12)
- G4ElementData - use G4int in method signature instead of size_t;
  improve initialisation

09-07-21 V.Ivanchenko (materials-V10-07-11)
- G4Material - fixed Coverity report on non-initialized arrays;
    use const pointers to G4Elements where; added warnings if
    there is a mixture of definition of elements by number of atoms and 
    mass fraction; reduced code duplication and reduce number of
    new/delete for the case when materials are added to the material
- G4ElementData - update class to provide more safe destruction end of run

23-05-21 V.Ivanchenko (materials-V10-07-10)
- G4ExtDEDXTable, G4IonStoppingData - corrected initialisation of spline
- G4NistMaterialBuilder - removed unused argument "isotopes" from all
    methods where NIST materials are built
- G4NistManager - adopt modifications in method signatures of 
    G4NistMaterialBuilder but keep own method signatures unchanged

21-05-21 D.Sawkey (materials-V10-07-09)
- G4MaterialPropertiesTable - add createNewKey to AddProperty; merge .icc
  into .cc; remove deprecated methods; apply clang-format
- G4OpticalMaterialProperties - add missing include

18-05-21 V.Ivanchenko (materials-V10-07-08)
- G4MaterialPropertyVector - use G4PhysicsFreeVector instead of
  G4PhysicsOrderedFreeVector

14-05-21 D.Sawkey (materials-V10-07-07)
- G4OpticalMaterialProperties.hh (new) - store optical material properties
- G4MaterialPropertiesTable - new AddProperty method to allow use of
  predefined optical MaterialProperties

07-05-21 V.Ivanchenko (materials-V10-07-06)
- G4IonStoppingData, G4ICRU90StoppingData, G4ExtDEDXTable,
  G4VIonDEDXTable - substituted G4LPhysicsFreeVector by G4PhysicsFreeVector
- G4Material, G4Element, G4Isotope, G4IonisParamElm,
  G4IonisParamMat, G4NistMaterialBuilder, G4NistMessenger,
  G4SandiaTable - minor clean-up

06-05-21 G.Cosmo (materials-V10-07-05)
- Fixed shadowing compilation warning in G4Isotope reported with gcc-11.

16-04-21 V.Ivanchenko (materials-V10-07-04)
- G4AtomicShells, G4AtomicShells_XDB_EADL - fixed method
    GetNumberOfFreeElectrons(..) - problem #2356

30-03-21 D.Sawkey (materials-V10-07-03)
- G4MaterialPropertiesTable. Recalculate GROUPVEL if RINDEX is modified.
  Addresses bugzilla 2313.

12-03-21 B.Morgan (materials-V10-07-02)
- Modernize CMake build

24-02-21 D.Sawkey (materials-V10-07-01)
- G4MaterialPropertiesTable. Removed deprecated optical material
   properties.

05-02-21 V.Ivanchenko (materials-V10-07-00)
- G4DensityEffectData - fixed typo in Z=37 elementary material name
    (problem #2324)

16-11-20 G.Cosmo (materials-V10-06-12)
- Fixed typos in printed-out text. Addressing problem report #2285.

10-11-20 V.Ivanchenko (materials-V10-06-11)
- G4MicroElecMaterialStructure - fixed Coverity warnings (initialize
    all members of the class)

04-11-20 D.Sawkey (materials-V10-06-10)
- G4OpticalSurface:Add protection against access optical LUT out of
  array bounds. Addresses bug 2287.

28-10-20 V.Ivanchenko (materials-V10-06-09)
- G4MicroElecMaterialStructure, G4MicroElecSiStructure classes are moved
    from electromagnetic/lowenergy. These new classes developed by ONERA
    and CEA group and provided by D. Lambert. The code was updated - no
    dependence on G4ParticleDefinition

20-10-20 D. Sawkey (materials-V10-06-08)
- G4Element, G4NistManager, G4NistMaterialBuilder: spellcheck cout text

08-10-20 D. Sawkey (materials-V10-06-07)
- G4OpticalSurface: store REALSURFACE optical data files zlib-compressed.

05-10-20 D. Sawkey (materials-V10-06-06)
- G4SurfaceProperty, G4OpticalSurface: apply clang-format style guidelines,
  use virtual/override/nullptr keywords; add method to select file to read;
  replace long if/else with switch/case

20-08-20 V.Ivanchenko (materials-V10-06-05)
- G4Material - added two new public methods to add elements to a material
    according to ATLAS request

04-08-20 D. Sawkey (materials-V10-06-04)
- G4MaterialPropertiesTable: add new methods to access/add properties with
  G4String and std::vector

26-05-20 A. Howard (materials-V10-06-03)
- G4MaterialPropertiesTable, G4MaterialPropertiesIndex: add new properties
  for allowing a second wavelength shifter in the same material

24-05-20 D. Sawkey (materials-V10-06-02)
- G4MaterialPropertiesTable, G4MaterialPropertiesIndex: add new properties
  for scintillation allowing 3 time constants

21-01-20 D. Sawkey (materials-V10-06-01)
- G4MaterialPropertiesTable: add ConstPropertyExists(G4int)

09-12-19 B. Morgan (materials-V10-06-00)
- Cleanup CMake build, removing obsolete granular library option and
  explicit include_directories.

26-11-19 G.Cosmo (materials-V10-05-11)
- Fixed cases of implicit type conversions from size_t to G4int.

04-11-19 J.Apostolakis (materials-V10-05-10)
- G4UCNMicroRoughnessHelper: Corrected out-of-date URL for thesis and
   added DOI for paper

28-10-19 V.Ivanchenko (materials-V10-05-09)
- G4IonStoppingData - fixed typo in ICRU90 material names

08-10-19 V.Ivanchenko (materials-V10-05-08)
- G4IonisParamMat - set mass limit of a single element 90%
- G4IonStoppingData - added ICRU90 data option

07-10-19 V.Ivanchenko (materials-V10-05-07)
- G4NistManager, G4NistMessenger - added two new public methods
    and two new UI commands allowing to enable/disable calculation
    of density effect on-fly using G4DensityEffectCalculator

29-08-19 V.Ivanchenko (materials-V10-05-06)
- G4DensityEffectCalculator - Matthew Strait propose an alternative
    computation of the Density effect (problem #2121)
- G4Material, G4IonisParamMat - added possibility to enable
    on-fly computation of the density effect correction using
    "exact" formulas, for that ComputeDensityEffectOnFly() method
    is added; but default the old approach is used
- G4IonisParamMat - logic of selection of density effect
    parameterisation is changed - if > 70% of mass of a compound
    corresponds to a particular element, then density effect
    parameterisation for this element is used with mass correction

20-08-19 V.Ivanchenko (materials-V10-05-04)
- G4Material - reorder class members, added free electron density,
    use NistManager to instantiate element in constructor with
    effective Z and A
- G4SandiaTable, G4IonisParamMat - use const material pointer
- G4AtomicShells, G4AtomicShells_XDB_EADL - added method
    GetNumberOfFreeElectrons(..)

13-08-19 V.Ivanchenko (materials-V10-05-03)
- G4NistManager - fixed potential thread unsafety

11-03-19 M.Novak (materials-V10-05-02)
- G4NistMaterialBuilder - fixed atomic number value in simple material printout

13-02-19 V.Ivanchenko (materials-V10-05-01)
- G4NistManager - added more detailed comments to public methods
- G4NistMaterialBuilder - fixed build of gas materials
    (problem reports #2133, #2134)

31-01-19  I.Hrivnacova (materials-V10-05-00)
- Merged GitHub PR #4: all Boolean operators now return G4bool.

19-10-18 V.Ivanchenko (materials-V10-04-10)
18-10-18 V.Ivanchenko (materials-V10-04-09)
- G4ICRU90StoppingData - fixed initialisation

01-10-18 V.Ivanchenko (materials-V10-04-08)
- G4ICRU90StoppingData, G4NistManager - added destruction of ICRU90
    data

27-09-18 V.Ivanchenko (materials-V10-04-07)
- G4ICRU90StoppingData - added extra inline methods

25-09-18 V.Ivanchenko (materials-V10-04-06)
- G4ICRU90StoppingData - new class for ICRU90 data
- G4NistManager - added method to access G4ICRU90StoppingData; removed
    check forcing instantiation only in the master thread

14-09-18 D.H. Wright (materials-V10-04-05)
- sources.cmake: replace G4AtomicShells_EADL with G4AtomicShells_XDB_EADL

13-09-18 D.H. Wright (materials-V10-04-04)
- G4AtomicShells_EADL.hh, .cc deleted.
- G4AtomicShells_XDB_EADL.hh, .cc added.  New files use experimental
   binding energy data from X-ray Data Book (XDB) where available and
   theoretical values otherwise.

15-02-18 D.Sawkey (materials-V10-04-03)
- G4MaterialPropertiesTable: Restore return of nullptr if material property
  not found. Add bool to print warnings. Continuation of bug #2030

12-02-18 V.Ivanchenko (materials-V10-04-02)
- G4OpticalSurface - move static methods to source

07-02-18 D.Sawkey (materials-V10-04-01)
- Re-enable user-defined material properties (fix bug #2030)
  in G4MaterialPropertiesTable and G4MaterialPropertiesIndex

19-12-17 G.Cosmo (materials-V10-04-00)
- Fixed self-consistency in headers (missing #include) in G4ElementTable and
  G4MaterialTable. Thanks to Raphael Isemann for reporting these.

20-10-17 S.Y.Jun (materials-V10-03-13)
- G4MaterialPropertiesTable - rename SetGROUPVEL to CalculateGROUPVEL
  and move it from GetProperty to AddProperty to resolve a MT scaling
  problem. Remove SetGROUPVEL from the next release (version 11),
  courtesy of Tao Lin, IHEP (the JUNO experiment)

25-09-17 V.Ivanchenko (materials-V10-03-12)
- G4Material - set lock when defining Material Property Table
- G4IonisParamMat - set lock when user defines density effect parameters

15-09-17 S.Y.Jun (materials-V10-03-11)
- G4MaterialPropertiesTable - keep old property and constant property
  maps and public methods, GetPropertiesMap and GetPropertiesCMap.
  These method should be obsolete from the next release and GetPropertyMap
  and GetConstPropertyMap should be used instead

13-09-17 S.Y.Jun (materials-V10-03-10)
- G4MaterialPropertiesIndex - add missing MIEHG index and name

12-09-17 S.Y.Jun (materials-V10-03-09)
- G4MaterialPropertiesTable - fix the warning from a wrong comparison
  between different enum types

11-09-17 S.Y.Jun (materials-V10-03-08)
- add a header file (G4MaterialPropertiesIndex.hh) to define indices
  and names for G4MaterialProperties
- G4MaterialPropertiesIndex - use the enum type instead of G4String
  for keys in the material (constant) property table maps and provide
  necessary accessors and interfaces

01-09-17 V.Ivanchenko (materials-V10-03-07)
- G4IonisParMat - added possibility of defining custom density effect
    parameters and another possibility to request parameters of a base
    material, which may have not exactly the same atomic composition

25-08-17 V.Ivanchenko (materials-V10-03-06)
- G4Material, G4IonisParMat - fixed definition of State of material,
    when a material is constructed via based material (problem #1997)

21-08-17 V.Ivanchenko (materials-V10-03-05)
- G4NistManager, G4NistElementBuilder, G4NistMaterialBuilder - thread
    safe element and material build

29-05-17 P.Gumplinger (materials-V10-03-04)
- This version of Mariele Stockhoff's DAVIS model includes not only
  reflection but also the capability of transmitting photons based on LUTs

22-03-17 P.Gumplinger (materials-V10-03-03)
- fix compilation waring in previous tag

21-03-17 P.Gumplinger (materials-V10-03-02)
- Mariele Stockhoff's DAVIS model

24-02-17 V.Ivanchenko (materials-V10-03-01)
- G4Material - improved printout - always print temperature and presure
    independently on the state of the material (CMS requirement)

22-02-17 G.Cosmo (materials-V10-03-00)
- Removed debug printout from G4MaterialPropertiesTable destructor.
  Addressing problem report #1944.

08-11-16 E.Bagli (materials-V10-02-20)
- Fixed Coverity warnings

07-11-16 E.Bagli (materials-V10-02-19)
- Moved G4CrystalMaterial to G4CrystalExtension

28-10-16 M.Asai (materials-V10-02-18)
- Fix G4ExtendedMaterial to be correctly printed.

24-10-16 E.Bagli (materials-V10-02-17)
- Introduction of G4CrystalMaterial as a derived class of G4ExtendedMaterial.
- Introduction of G4CrystalUnitCell with the crystalline unit cell parameters.
- Introduction of G4AtomicFormFactor for the calculation of the form factor.
- Introduction of G4AtomicBond for the G4CrystalUnitCell.

21-10-16 M.Asai (materials-V10-02-16)
- G4ExtendedMaterial now uses std::hash and std::unordered_map.

20-10-16 M.Asai (materials-V10-02-15)
- Introduing G4ExtendedMaterial and G4VMaterialExtension.

04-10-16 P.Gumplinger (materials-V10-02-14)
- Fix incorrectly calculated index for MicroRoughness lookup table
  in G4UCNMaterialPropertiesTable.cc
  (thanks to W. Schreyer/Technische Universität München)
- Fix incorrectly calculated MicroRoughness amplitude
  in G4UCNMicroRoughnessHelper.cc
  (thanks to W. Schreyer/Technische Universität München)

20-09-16 V.Ivanchenko (materials-V10-02-13)
- G4NistMaterialBuilder - (Nathanael Lampe) reviewed and updated
    BioChemicalMaterials() method, which now instantiate two
    type of materials:
       G4_XXXXX - molecule in its free state;
       G4_DNA_XXXXX - molecule, considering atoms lost in bonding

06-06-16 V.Ivanchenko (materials-V10-02-12)
- G4DensityEffectData - fixed initialisation

30-05-16 V.Ivanchenko (materials-V10-02-11)
- G4DensityEffectData, G4IonisParamMat - fixed density effect
    parameters corrections for the case when NIST mean ionisation
    potential does not equal to that parameter in Shternheimer table
- G4NistElementBuilder, G4NistMaterialBuilder - added access to
    the mean ionisation potential; put liquid water in front of
    the list of NIST materials (index=0), so pure materials can be
    easier accessted via atomic number (Z > 0)

09-05-16 V.Ivanchenko (materials-V10-02-10)
- G4Material - do not delete G4MaterialPropertyTable, because this
    is unsafe

06-05-16 V.Ivanchenko (materials-V10-02-09)
06-05-16 V.Ivanchenko (materials-V10-02-08)
- cleanup all classes: use nullptr, use const/static
- G4MaterialPropertiesTable - 4 complex methods moved from inline
    to source
- G4UCNMicroRoughnessHelper - all methods are const
- G4NistManager, G4NistMaterialBuilder, G4NistElementBuilder -
    added new const methods FindElement(..), FindMaterial(..),
    FindSimpleMaterial(..), which may be used in run time in MT mode
- G4Element - added method GetZ_asInt()

08-04-16 L.G. Sarmiento (materials-V10-02-07)
- G4AtomicShells_EADL class added. Not being used by anything yet.

06-04-16 V.Ivanchenko (materials-V10-02-06)
- G4SandiaTable - fixed problem for the case when G4VERBOSE flag
    unset (introduced in the previous tag)

06-03-16 V.Ivanchenko (materials-V10-02-05)
04-03-16 V.Ivanchenko (materials-V10-02-04)
- G4AtomicShells, G4SandiaTable - asserts are substituted by G4Exception,
    which are happens only if G4VERBOSE compillation flag is set;
- G4SandiaTable - cleanup of methods is done, unused methods removed,
    some are moved from public to private

18-02-16 A. Dotti   (materials-V10-02-02)
- Fix rare data-race in G4MaterialPropertiesTable for optical physics
  crash

03-01-16 M. Verderi (materials-V10-02-01)
- src/G4NistElementBuilder.cc : fixed typo in print reported in #1786.

20-01-16 V.Ivanchenko (materials-V10-02-00)
- G4NistMaterialBuilder - added lock to build of a new NIST
    material. This is needed, because some physics processes may
    create a new NIST material from a worker thread.

09-11-15 V.Ivanchenko (materials-V10-01-14)
- fixed typo in comments (no code change)

04-11-15 V.Ivanchenko (materials-V10-01-13)
- G4AtomicShells - restored previous version of the class (rewritten
    version can be deployed only after the release)
- G4Material - rolled back equal operators from private to public
    in order do break user interface

02-11-15 L.G.Sarmiento (materials-V10-01-12)
- G4AtomicShells rewritten from EADL values used for BrICC calculation.
    Also extended for elements up to Z=120.

24-10-15 V.Ivanchenko (materials-V10-01-11)
- G4Element - improved printout
- G4Material - some cleanup, removed unused fImplicitElement flag
- G4IonisParamMat - use G4Exp, G4Log, all operators moved to private

23-10-15 V.Ivanchenko (materials-V10-01-10)
- G4NistMaterialBuilder - fixed extra problem of gas density in the
    ConstructNewGasMaterial method (P.Gumplinger)
- G4Element - always define effective number of nucleons as
    fNeff = fAeff/(g/mole) (address concern of J. Leacock:
    HyperNews/geant4/get/hadronprocess/1495.html); it is recommended
    to use element->GetN() for average atomic mass, for number of
    nucleons to use G4lrint(element->GetN())
- G4IonisParamMat - use double argument to compute A^2/3

22-10-15 V.Ivanchenko (materials-V10-01-09)
- G4NistMaterialBuilder - fixed computation of gas density in the
    ConstructNewGasMaterial method (P.Gumplinger)

12-08-15 V.Ivanchenko (materials-V10-01-08)
11-08-15 V.Ivanchenko (materials-V10-01-07)
- G4IonisParamMat - added protection on the new correction
    for the case of large diference between nominal density and
    defined density of the material; for big difference
    Sternheimer-1971 parameterisation is used, while normally
    Sternheimer-1984 is applied; important for vacuum and
    low-density gas

11-08-15 V.Ivanchenko (materials-V10-01-06)
- G4NistManager, G4NistMaterialBuilder - added method GetNominalDensity
- G4IonisParamMat - density effect parameterisation is corrected if
    density of a simple (one component) material differs from the
    nominal value (problem #1765)

07-08-15 V.Ivanchenko (materials-V10-01-05)
- Added checks on do/while loops

28-05-15 V.Ivanchenko (materials-V10-01-04)
- G4NistManager - fixed problem #1747 - correct printout of elements
    and materials

30-04-15 V.Ivanchenko (materials-V10-01-03)
- G4NistMaterialBuilder, G4SandiaTable - fixed minor Coverity reports

27-02-15 V.Ivanchenko (materials-V10-01-02)
- G4NistManager - added method FindOrBuildSimpleMaterial(Z);
    removed GetLOGA (dublicated method with G4Pow)
- G4NistMaterialBuilder - added FindOrBuildSimpleMaterial(Z);
    splited the longest private method into two methods

06-02-15 V.Ivanchenko (materials-V10-01-01)
- G4Material, G4NistManager, G4NistMaterialBuilder, G4IonisParamMat
    introduced NTP_Temperature=20C; set this tempature default for
    all materials instead of STP_Temperature; this is needed,
    because NIST materials are defined for NTP and not for STP
    conditions; addressed problem report #1704; no change in
    results of EM testing suite (densities of materials
    used in tests are not changed)

15-01-15 V.Ivanchenko (materials-V10-01-00)
- G4Material, G4Element, G4Isotope - make arguments of stream
    operator const (fix proposed by D. Mancusi)

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.

