source: trunk/source/materials/History @ 1159

Last change on this file since 1159 was 1058, checked in by garnier, 15 years ago

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1$Id: History,v 1.142 2009/05/25 08:34:15 gcosmo Exp $
2-------------------------------------------------------------------
3
4     =========================================================
5     Geant4 - an Object-Oriented Toolkit for Simulation in HEP
6     =========================================================
7
8                      Category History file
9                      ---------------------
10This file should be used by G4 developers and category coordinators
11to briefly summarize all major modifications introduced in the code
12and keep track of all category-tags.
13It DOES NOT substitute the  CVS log-message one should put at every
14committal in the CVS repository !
15
16     ----------------------------------------------------------
17     * Reverse chronological order (last date on top), please *
18     ----------------------------------------------------------
19
2025-05-09 V.Ivanchenko (materials-V09-02-07)
21- Renamed G4ExternalDEDXTable class to G4ExtDEDXTable to allow for generation
22  of DLLs on WIN32-VC, where "External" is used to tag symbols in the DLLs
23  generation process.
24
2511-05-09 V.Ivanchenko (materials-V09-02-06)
26- G4ExternalDEDXTable: A.Lechner bug-fix in ClearTable function to avoid
27                       illegal deletion of physics vectors.
28
2907-05-09 V.Ivanchenko (materials-V09-02-05)
30- G4IronStoppingICRU73: the upper limit of the data vector is extended
31                        from 10 MeV to 1 GeV; 53 bins are used
32- G4NistMaterialBuilder: mean ionisation potential for G4_WATER is set
33                        to 78 eV according to GSI Annual Report (2008) p.373
34                        and recommendation of Prof.P.Sigmund in order to
35                        conssitent with ICRU'73 tables
36
3729-04-09 V.Ivanchenko (materials-V09-02-04)
38  Fixed ICRI'73 data provided by Prof.P.Sigmund Univ. Southern Denmark
39- G4MaterialStoppingICRU73: G4WATER, G4WATER_VAPOR, G4NYLON-6/6
40- G4SimpleMaterialStoppingICRU73: G4_Cu
41- G4IronStoppingICRU73: G4WATER data added
42  Also fixed GetDEDX methods in these classes for E=10 MeV (upper limit)
43
4424-04-09 G.Cosmo (materials-V09-02-03)
45- Make visible GetEntry() accessor in G4MaterialPropertyVector for use
46  restricted to persistency.
47
4820-04-09 G.Cosmo (materials-V09-02-02)
49- Use 'const' references for strings as arguments/return-values in material
50  properties tables and related classes. Inlined some methods and some minor
51  cleanup.
52- Added Entries() method to G4MaterialPropertyVector and accessors for maps
53  in G4MaterialPropertiesTable, required for internal use in persistency of
54  material properties.
55
5618-03-09 A.Lechner, V.Ivanchenko (materials-V09-02-01)
57- New interface class G4VIonDEDXTable for electronic stopping power
58  tables for ions.
59- New utility class G4ExternalDEDXTable to handle external electronic
60  stopping power tables for ions.
61- Migrated classes for ICRU'73 stopping power (G4IronStoppingICRU73,
62  G4MaterialStoppingICRU73, G4SimpleMaterialStoppingICRU73) to the
63  the new G4VIonDEDXTable interface:
64  o Changed access methods of physics vectors (vectors can also be
65    identified via atomic number of material if material is pure);
66  o Classes now deliver mass stopping powers instead of stopping powers per
67    unit length;
68  o Any dependency on ICRU 73 material densities is removed (densities are
69    no longer included in the classes);
70  o Stopping power vectors are now only built on request and no longer in
71    the constructor.
72
7319-02-09 V.Ivanchenko (materials-V09-02-00)
74- G4MaterialStoppingICRU73: added 4 forgotten materials from ICRU'73.
75- G4SimpleMaterialStoppingICRU73: fixed density of Mo and number of materials.
76
7711-12-08 G.Cosmo (materials-V09-01-20)
78- Added dummy default constructor in G4OpticalSurface and G4SurfaceProperty.
79- Removed debug printout function Overwrite().
80
8114-11-08 G.Cosmo (materials-V09-01-19)
82- Added SetName() method to G4Element, G4Isotope, G4Material for use
83  in detector persistency. Use "const G4String&" for accessors, instead
84  of implicit copy...
85
8602-11-08 V.Ivanchenko (materials-V09-01-18)
87- G4IronStoppingICRU73, G4MaterialStoppingICRU73,
88  G4SimpleMaterialStoppingICRU73: fixed inline methods.
89
9024-10-08 V.Ivanchenko (materials-V09-01-17)
91- G4IronStoppingICRU73, G4MaterialStoppingICRU73,
92  G4SimpleMaterialStoppingICRU73: renamed ICRU'73 data classes and inlined
93  accessors.
94
9520-10-08 V.Ivanchenko (materials-V09-01-16)
96- G4IronStopping, G4MaterialStopping, G4SimpleMaterialStopping: added
97  ICRU'73 data on stopping powers 25 keV/n - 10 MeV/n
98
9913-08-08 V.Ivanchenko (materials-V09-01-15)
100- G4Material: use array size defined in material constructor, extend it if
101  a component is a compound material
102
10307-08-08 V.Ivanchenko (materials-V09-01-14)
104- G4NistElementBuilder: use best known parameterisation for total
105  binding energy of atoms, use standard masses for lightest stable isotopes
106- G4NistManager and G4NistElementBuilder: added method
107  GetTotalElectronBindingEnergy().
108- G4Isotope: use AtomicMass instead of NuclearMass.
109- G4Element: use G4int(fZeff) everywhere in the class.
110
11123-07-08 V.Ivanchenko (materials-V09-01-13)
112- G4NistManager: fixed bug introduced in tag (-11).
113
11421-07-08 P.Gumplinger (materials-V09-01-12)
115- G4SurfaceProperty and G4OpticalSurface, make them truly polymorphic.
116
11717-07-08 V.Ivanchenko (materials-V09-01-11)
118- G4NistManager: added inline methods to speed up EM computations.
119
12016-07-08 P.Gumplinger (materials-V09-01-10)
121- G4SurfaceProperty changed method name from DumpInfo to DumpTableInfo.
122
12308-07-08 V.Ivanchenko (materials-V09-01-09)
124- G4IonisParamMat - added fMeanEnergyPerIon and Set/Get methods
125
12627-06-08 G.Cosmo (materials-V09-01-08)
127- Added virtual destructor to G4OpticalSurface and derivated.
128  Addresses problem report #1014.
129
13005-06-08 P.Gumplinger (materials-V09-01-07)
131- G4MPVEntry, G4MaterialPropertyVector, G4MaterialPropertiesTable -
132  trivial name changes: momentum->energy, momenta->energies
133
13404-06-08 V.Ivanchenko (materials-V09-01-06)
135- G4NistElementBuilder - provided unique name for each isotope of an element
136                         (P.Gumplinger)
137- G4IonisParamElm - added Fermi velocity and L-factor (both used for
138                    parameterizations of the effective charge and
139                    stragling of ions);
140- G4IonisParamMat - use Fermi velocity and L-factor from G4IonisParamElm
141
14202-06-08 V.Ivanchenko (materials-V09-01-05)
143- G4Element - extended printput of errors and warnings; more safe check
144              of consistence between Z and A in the constructor
145
14628-04-08 V.Ivanchenko (materials-V09-01-04)
147- G4NistManager, G4NistMaterialBuilder, G4NistElementBuilder
148  added better comments
149     
15017-03-08 mma (materials-V09-01-03)
151- G4Material : cout << NuclearInteractionLength
152     
15311-03-08 mma (materials-V09-01-02)
154- G4IonisParamMat - remove NistManager dependence
155     
15610-03-08 mma (materials-V09-01-01)
157- G4IonisParamMat - add Birks constant
158 
15906-03-08 V.Ivanchenko (materials-V09-01-00)
160- G4NistMaterialBuilder - use correct dimension for the density for
161  ConstructNewMaterial methods
162- G4Material - improve G4cerr printout
163
16411-12-07 G.Cosmo (materials-V09-00-08)
165- Made GetZ13() and GetLOGA() in G4NistManager not inlined (since they
166  handle static data), to allow for building of DLLs on WIN32-VC platform.
167
16830-10-07 V.Ivanchenko (materials-V09-00-07)
169- G4NistManager and G4NistMaterialBuilder - set default state kStateSolid
170                (before was kStateUndefined) - this modification keep
171                existing user code unchanged
172
17328-10-07 V.Ivanchenko (materials-V09-00-06)
174- G4NistManager and G4NistMaterialBuilder - extended interfaces to build
175                new materials: added G4State, temperature, pressure
176                (gasses are allowed), because of default values for
177                these extra parameters no interface change to users
178
17918-10-07 V.Ivanchenko (materials-V09-00-05)
180- G4NistManager - added deletion of isotopes (fixed problem of double
181                  deletion); added precomputed Z^1/3 and log(A)
182- G4Material - move registration in MaterialTable from constructors
183               to InitialisePointers; added Imean to printout
184- G4Element  - do not delete isotopes; move registration in ElementTable
185               from constructors to ComputeDerivedQuantities
186
18701-10-07 V.Ivanchenko (materials-V09-00-04)
188- G4SandiaTable - fixed memory leak
189
19001-10-07 V.Ivanchenko (materials-V09-00-03)
191- G4SandiaTable - separated computations of tables photo-absobtion
192                  coeffitients for photo-electric effect and PAI model;
193                  added fMatSandiaMatrixPAI ordered table;
194                  general cleanup, reduce number of static variables;
195
19627-09-07 V.Ivanchenko (materials-V09-00-02)
197- G4IonisParamMat - add comutation and get methods for parameters of
198  ion inonisation: Fermi energy, effective Z, effective L-factor;
199  they will not be recomputed at each step
200
20127-07-07 V.Ivanchenko (materials-V09-00-01)
202- G4NistManager - simplified logic of Print methods
203- G4NistElementBuilder  - added protection to Print method
204- G4NistMaterialBuilder - modified FindOrBuildMaterial method - NIST
205                          material is built even user create a material
206                          with the same name, so NIST materials
207                          parameters cannot be substituted
208- G4Material, G4Element - fix destructors, now all materials and elements
209  are deleted at the end of a run
210
21126-07-07 V.Ivanchenko (materials-V09-00-00)
212- G4Nistmanager provide destruction of all materials and elements
213- G4NistElementBuilder - for given Z build only one Nist element
214     and allow user create other elements with given Z (HP physics
215     requirement)
216
21719-06-07 V.Ivanchenko (materials-V08-03-02)
218- G4SandiaTable - comment out destruction of G4OrderedTable
219
22015-06-07 V.Ivanchenko (materials-V08-03-01)
221- G4SandiaTable - fixed non-initilised pointer in constructor, int -> G4int
222
22314-06-07 V.Ivanchenko (materials-V08-03-00)
224- G4SandiaTable - added deletion of elements of the table in destructor
225
22614-08-07 V.Ivanchenko (materials-V08-03-00a)
227- G4NistElementBuilder - protection (Z>=limitNumElements) inside BuildElement
228                         (Mokka request)
229
23002-05-07 V.Ivanchenko (materials-V08-02-02)
231- G4NistManager and G4NistElementBuilder - add GetNistFirstIsotopeN
232  and GetNumberOfNistIsotopes methods
233
23425-04-07 P.Gumplinger (materials-V08-02-01)
235- add file G4SurfaceProperty.cc, modify G4SurfaceProperty.hh to provide
236  a static G4SurfacePropertyTable akin to G4MaterialTable
237  add G4Exception to SetGROUPVEL when E_photon <= 0
238
23910-07-06 V.Ivanchenko (materials-V08-02-00)
240- G4Material - fill fAtomVector in the case, when material is built
241  from Element mass fractions
242- G4NistMaterialBuilder - add liquids O2 and N2
243- G4NistElementBuilder - add protection Z<=101
244
24527-06-06 V.Ivanchenko (materials-V08-01-01)
246- Add methods to access vector of names of NIST elements and materials
247  (ILC requirement)
248- Add methods GetAtomicMass, AddIsotopeMass - return atom mass amd
249  nuclear mass in G4 units
250- Add GetTotalBindingEnergy method to G4AtomicShells
251- Add Get/SetNaturalAbandancesFlag (requirement of hadronic group)
252
25327-06-06 V.Ivanchenko (materials-V08-01-00)
254- G4NistMaterialBuilder - fix graphite desctription
255
25611-05-06 V.Ivanchenko (materials-V08-00-03)
257- G4NistManager and G4NistMaterialBuider - add warning flag to control cout
258- G4NistElementBuilder - do not subtract mass of electrons from NIST mass
259
26002-05-06 V.Ivanchenko (materials-V08-00-02)
261- G4NistManager and G4NistElementBuider - add G4IsotopeAbundance method
262- G4NistElementBuilder - subtract mass of electrons from NIST mass
263
26418-03-06 V.Ivanchenko (materials-V08-00-01)
265- G4NistMaterialManager - fix bug in regime of combine material definition:
266                          partially via NIST DB, partially by user
267
26809-03-06 V.Ivanchenko (materials-V08-00-00)
269- G4NistMaterialBuilder - Add method  ConstructNewGasMaterial
270- G4Material - minor change of printout
271- G4NistManager - add method GetAtomicMassAmu(Z)
272     
27322-11-05 G.Cosmo (materials-V07-01-03)
274- Additional minor changes needed for direct object persistency.
275
27618-11-05 G.Cosmo (materials-V07-01-02)
277- Additional minor changes needed for direct object persistency.
278  Temporary solution, pending improvements in the external client
279  persistency tool.
280
28115-11-05 mma (materials-V07-01-01)
282- G4bool warning=true in GetMaterial(), GetElement(), GetIsotope().
283 
28409-11-05 G.Cosmo (materials-V07-01-00)
285- Added fake default constructor for isotopes, elements, materials and
286  relevant related classes, for usage of direct object persistency of
287  detector description.
288
28931-10-05 V.Ivanchenko
290- G4NistMaterialBuilder: add chemical formulas for number of materials,
291  add temperature and presure explicitly for each material, that will
292  allow to have other than STP parameters for gases
293
29422-06-05 V.Ivanchenko (materials-V07-00-07)
295- change 1 -> 1.0 for water density
296
29708-06-05 V.Ivanchenko (materials-V07-00-06)
298- take the head of subdirectory - murge tags 04 and 05
299
30016.05.05 P.Gumplinger (materials-V07-00-05)
301- Add SetGROUPVEL() courtesy of Horton-Smith (bug report #741)
302     
30313-05-05 V.Ivanchenko (materials-V07-00-04)
304- add acknowledgement in the Nist classes
305     
30610-05-05 mma (materials-V07-00-03)
307- add a missing coma in G4IonisParamMat::FindMeanExcitationEnergy() - Bug#746
308
30901-04-05 mma (materials-V07-00-02)
310- G4Element: new data member fIndexZ to count the number of elements with same Z
311     
31231.03.05 mma
313- G4Isotope: make A optional (taken from Nist data base by default)
314- warning in GetMaterial(materialName) and GetElement(elementName)
315
31618.03.05 S.Sadilov (materials-V07-00-01)
317- Fixed compilation problem on Windows for G4NistElementBuilder.
318     
31922.02.05 mma (materials-V07-00-00)
320- new classes G4NistManager, G4NistMessenger
321  deleted G4NistMaterialManager
322       
32311.02.05 mma
324- new classes G4NistElementBuilder, G4NistMaterialBuilder, G4NistMaterialManager
325  and test/G4NistMaterialTest1.cc, G4NistMaterialTest2.cc
326         
32707.12.04 G.Cosmo - materials-V06-02-02
328         Implemented migration to <cmath>.
329
33006.09.04 V.Ivant - materials-V06-02-01
331         Recalculate ionisation parameters after set of new
332         mean ionisation potential; added factor 2 to shell correction term.
333     
33419.07.04 mma - materials-V06-02-00
335         Put a protection in G4AtomicShells::GetNumberOfShells(Z)
336         
33713.05.04 P.Gumplinger - materials-V06-01-01
338         Added new utility method ConstPropertyExists(const char * key)
339         returning true/false according to the existance of the 'key' in
340         the table G4MaterialPropertiesTable.
341     
34205.03.04 V.Grichine - materials-V06-01-00
343         new methods for old sorting algorithm for PAI model
344         
34503.02.04 V.Ivant - materials-V06-00-01
346         Fix problem of destructor of G4SandiaTable
347     
34822.01.04 mma - materials-V06-00-00
349         G4Material.cc: proper STL handdling of theElementVector (Hisaya)
350
35101.12.03 P.Gumplinger - materials-V05-02-00
352         Added base class G4SurfaceProperty.
353         G4OpticalSurface[.hh.cc]: modified to inherit from G4SurfaceProperty.
354
35518.06.03 G.Cosmo - materials-V05-01-01
356         G4Isotope.cc G4Element.cc, G4Material.cc: removed usage of
357         G4USE_STD_NAMESPACE after g4std migration.
358
35919.05.03 G.Cosmo - materials-V05-01-00
360         G4Isotope.cc: fixed bug in operator=.
361         Fixes problem report #429. (M.Maire)
362         G4SandiaTable.cc: cleared trivial pedantic warning.
363
36405.11.02 P.Gumplinger - materials-V04-01-03
365         Add constant material properties to the G4MaterialPropertiesTable
366
36729.10.02 V.Ivanchenko - materials-V04-01-02
368         G4IonisParamMat: Add Set and Find MeanExcitation energy methods.
369         
37017.10.02 V.Ivanchenko - materials-V04-01-01
371         G4IonisParamElm.cc: Fix excitation energy interpolation.
372   
37306.08.02 M.Maire - materials-V04-01-00
374         Remove constructors with chemical formula
375             
37606.05.02 M.Maire - materials-V04-00-03
377         Remove the check of the ideal gas state equation
378             
37916.04.02 M.Maire - materials-V04-00-02
380         G4StaticSandiaData: bug fixed in Pb: comma after  15.861
381         G4Exception put in constructor with chemical formula
382             
38322.02.02 M.Maire - materials-V04-00-01
384         fIndexTable renewed in G4Material, G4Element, G4Isotope.
385
38622.01.02 M.Verderi - materials-V04-00-00
387         Fixed G4MaterialPropertyVector::AddElement() which wasn't make use
388         of G4MPVEntry ordering in the G4std::vector<G4MPVEntry*> MPV vector.
389         This happens since the STL migration (while method "insert" of Rogue-Wave
390         was taking care about.)
391         Changes in G4MaterialPropertyVector.hh, G4MaterialPropertyVector.cc
392         and test/testMaterialPropertyVector.cc
393
39429.11.01 G.Cosmo - materials-V03-02-07
395         Fixed declaration of ostream attributes to use standard 'fmtflags'
396         type for ANSI compilers. Fixes compilation error on gcc-3.0.2.
397         Modified files: G4Isotope.cc, G4Element.cc, G4Material.cc.
398
39928.11.01 G.Cosmo - materials-V03-02-06
400         Fixed bug in G4MaterialPropertyVector::RemoveElement() for the
401         initialisation of a local pointer. Fixes compilation problem on VC++.
402
40331.10.01 M.Maire - materials-V03-02-05
404         New function G4Materials::SetChemicalFormula().
405
40617.10.01 G.Cosmo - materials-V03-02-04
407         Removed all static inline methods in G4Isotope, G4Element,
408         G4Material and G4SandiaTable. Now placed in respective .cc files.
409         Fixed memory leak in G4SandiaTable::ComputeMatSandiaMatrix(),
410         for deletion of temporary vectors Z, tmp1, tmp2.
411         Moved definitions of G4IsotopeVector and G4ElementVector,
412         G4ElementTable and G4MaterialTable to the appropriate headers.
413         Replaced NULL with 0 whereever needed.
414
41519.09.01 G.Cosmo - materials-V03-02-03
416         Fixed initialisation of STL collections in costructors and assignment
417         operators. Fixes warnings detected on HP-aCC.
418     
41914.09.01 M.Maire - materials-V03-02-02
420         G4Isotope,Element,Material: IndexInTable is obtained dynamically
421         via GetIndex(). An Isotope,Element,Material can be deleted.
422         fCountUse counts the nb of materials which reference a given element.
423         (idem for elements->isotope)
424
42531.08.01 P.Gumplinger - materials-V03-02-01
426         Fix printing of property name and check for NULL property vector
427         pointer in G4MaterialPropertiesTable:DumpTable; and correct warning
428         message in RemoveEntry method.
429         Improve printing in G4MaterialPropertyVector::DumpVector.
430
43117.07.01 M.Verderi - materials-V03-02-00
432         Complete migration to STL. Tag proposed for testing.
433
43406.06.01 G.Cosmo - materials-V03-01-01
435         Explicitly initialise to zero values of G4DataVector used to create
436         sandia-matrix in method ComputeMatSandiaMatrix().
437         This fix clears warnings detected on HP-aCC.
438         Coworks with tag "global-V03-01-01".
439
44018.05.01 G.Cosmo - materials-V03-01-00
441         Cleared pedantic warnings detected by Linux-g++ with ISO/ANSI setup.
442     
44303.05.01 M.Maire
444         precision(prec) at begin/end of operator<<  Isotope,Element,Material
445     
44602.05.01 Marc+mma
447         protection added in G4Element::AddIsotope() against no coherent Z
448
44903.04.01 M.Maire - materials-V03-00-07
450         removed warning to cerr in GetIsotope(name), GetElement(name),
451         and GetMaterial(name).
452         fnulcof added as data member in G4SandiaTable.
453     
45422.03.01 M.Maire - materials-V03-00-06
455         revision of destructor, copy constructor, assignement operator in
456         G4IonisParamElm, G4IonisParamMat, G4Isotope, G4Element, G4Material
457             
45822.02.01 M.Maire - materials-V03-00-05
459         G4SandiaTable : protection added in GetSandiaCofForMaterial(energy)
460                   
461Feb     16, 01 M.Maire - materials-V03-00-04
462               G4SandiaTable : major bug in GetSandiaCofPerAtom (units!).
463               redesign of ComputeMatSandiaMatrix.
464               Include materials-V03-00-02
465               
466Feb     05, 01 G.Cosmo - materials-V03-00-03
467               STL migration for G4OrderedTable and G4DataVector.
468               Modified files: G4SandiaTable.cc.
469               NOTE: this tag does not include changes in materials-V03-00-02.
470
471Jan     28, 01 M.Maire - materials-V03-00-02
472               new method G4Material::GetNuclearInterLength()
473         
474Jan     16, 01 V.Ivanchenko - materials-V03-00-01
475               IonisParamElm.cc : excitation potential is tabulated
476               according ICRU Report #37.
477               
478Jan     16, 01 L.Urban  - materials-V03-00-00
479               bug fixed in IonisParamMat.cc : E100eV instead of E100keV
480               This bug affected the values of the density correction
481               parameters in the energy loss (dE/dx) computation,
482               its effect was quite big (~ 3-5 % error in dE/dx
483               in the energy range 1 MeV - 50 MeV !!!)
484               
485Nov     09, 00 V.Grichine - materials-V02-00-01
486               included test/ directory which was not tagged.
487
488August  04, 00 V.Grichine - materials-V02-00-00
489               G4SandiaTable.cc: fixed initialization of pointers in
490               constructor and corrected deletion of fPhotoAbsorptionCof
491               in destructor.
492
493June    15, 00 G.Cosmo  - materials-V01-01-00
494               fixed usage of pow(double,double) in G4SandiaTable.
495     
496March   03, 00 M.Maire  - materials-V01-00-00
497               const char* everywhere in G4MaterialPropertiesTable
498               
499Nov     16, 99 G.Cosmo  - materials-V00-01-03
500               Removed useless inclusion of RW tphdict.h from
501               G4MaterialPropertiesTable.hh. This tag includes the global
502               migration RWT->G4RWT (still CVS headers are different on the HEAD).
503
504Nov     09, 99 P.Gumpliger  - materials-V00-01-02
505               changes to comments for Software Reference Manual in
506               G4MPVEntry.hh, G4MaterialPropertyVector.hh, G4OpticalSurface.hh.
507               Migrated G4MaterialPropertiesTable from RW dictionary to STL map.
508
509July    28, 99 M.Maire  - materials-V00-01-00
510               new G4Material constructor with chemical formula
511                         
512August  13, 98 M.Maire  - materials-00-02-01
513               new static method G4Material::GetMaterial(name)     
514     
515July    17, 98 M.Maire  - materials-00-01-04
516               correction in ComputeDensityCorrection() for gas
517               (G4IonisParamMat.cc)   
518     
519July    10, 98 M.Maire  - materials-00-01-03
520               Ionisation parameters put in a subclass
521               coworks with em-00-01-03
522                   
523July     8, 98 M.Maire  - materials-00-01-02
524               restored G4MaterialTable, ElementTable, ElementVector
525               to be compatible with pre-beta01-02
526               
527July     7, 98 M.Maire  - materials-00-01-01
528               continue cleanup: Elements and Materials
529               new output formats: operator<< overloaded
530               
531June    30, 98 M.Maire  - materials-00-07-01
532               new method AddMaterial() for mixture of mixtures.
533               start the cleanup of the category. G4Isotope done.
534               G4IsotopeTable typedef directly include in G4Isotope.hh
535               G4MaterialTest.cc illustrate all possible case to
536               define materials.
537               
538     
539June    06, 98 M.Maire  - materials-00-06-01
540               new G4AtomicShells class (Vladimir)
541               kState = kVacuum removed (minimal lower density set
542                                         by default)
543
544April   17, 98 M.Maire  - materials-00-05-01
545 
546April   08, 98 G.Cosmo
547- Added fixes for DEC-cxx 6.0 compiler, related to for-loop index
548  declarations. Modified G4SandiaTable.cc.
549
550March     5, 98 M.Maire - materials-00-04-01
551
552January  29, 98 M.Maire - materials-00-03-01
553
554December 19, 97 G.Cosmo - (alpha03)
555- Created.
556
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