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Geant4/geometry/solids/specific/History

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Differences between /geometry/solids/specific/History (Version 11.3.0) and /geometry/solids/specific/History (Version 10.3.p1)

   # Category geom-specific History               <<    $Id: History 102532 2017-02-08 13:44:45Z gcosmo $
                                                   >>    -------------------------------------------------------------------
                                                        
   See `CONTRIBUTING.rst` for details of **requir <<         =========================================================
   which **must** added in reverse chronological  <<         Geant4 - an Object-Oriented Toolkit for Simulation in HEP
   It must **not** be used as a substitute for wr <<         =========================================================
                                                   >>    
                                                   >>                          Sub-Category History file
                                                   >>                          -------------------------
                                                   >>   This file should be used by G4 developers and category coordinators
                                                   >>   to briefly summarize all major modifications introduced in the code
                                                   >>   and keep track of all directory-tags.
                                                   >>   It DOES NOT substitute the  CVS log-message one should put at every
                                                   >>   committal in the CVS repository !
                                                   >>   
                                                   >>        ----------------------------------------------------------
                                                   >>        * Reverse chronological order (last date on top), please *
                                                   >>        ----------------------------------------------------------
                                                       
   ---------------------------------------------- <<   13-December-2016  G.Cosmo         (geom-specific-V10-02-26)
                                                  << 
   ## 2024-10-01 Evgueni Tcherniaev (geom-specifi << 
  - G4GenericTrap: Fixed minor defect reported b << 
                                                 << 
  ## 2024-07-18 Alvaro Tolosa-Delgado (geom-spec << 
  - Remove internal state of G4TwistedTubs and G << 
                                                 << 
  ## 2024-07-10 Evgueni Tcherniaev (geom-specifi << 
  - G4ExtrudedSolid: Fixed defects reported by C << 
                                                 << 
  ## 2024-07-08 Gabriele Cosmo (geom-specific-V1 << 
  - Fixed reported Coverity defect; in G4Voxeliz << 
    plain vector copy in methods BuildReduceVoxe << 
    BuildBoundaries() and CreateMiniVoxels(..).  << 
                                                 << 
  ## 2024-05-29 Evgueni Tcherniaev (geom-specifi << 
  - Added new methods GetNumOfConstituents() and << 
                                                 << 
  ## 2024-05-27 Evgueni Tcherniaev (geom-specifi << 
  - Completely revised G4GeneriTrap, it addresse << 
                                                 << 
  ## 2024-05-26 Evgueni Tcherniaev (geom-specifi << 
  - New testG4GenericTrap.cc                     << 
                                                 << 
  ## 2024-04-02 Gabriele Cosmo (geom-specific-V1 << 
  - Applied trivial clang-tidy fixes to classes, << 
    'default' keywords.                          << 
                                                 << 
  ## 2024-02-01 Gabriele Cosmo (geom-specific-V1 << 
  - Use std::size_t for array sizes in G4Polyhed << 
                                                 << 
  ## 2023-07-10 Evgueni Tcherniaev (geom-specifi << 
  - Fixed bounding box calculation in G4VTwisted << 
                                                 << 
  ## 2023-06-16 Stephan Hageboeck (geom-specific << 
  - Fix an uninitialised value in G4VCSGfaceted: << 
                                                 << 
  ## 2023-06-12 Gabriele Cosmo (geom-specific-V1 << 
  - Use const iterator in G4Voxelizer::GetPointV << 
  - Fixed use of index in G4Tet::GetPointOnSurfa << 
                                                 << 
  ## 2023-05-10 Gabriele Cosmo (geom-specific-V1 << 
  - Applied clang-tidy fixes (readability, moder << 
                                                 << 
  ## 2023-03-20 Gabriele Cosmo (geom-specific-V1 << 
  - Fixed more potential uninitialised values in << 
    G4SolidExtentList and G4VTwistSurface.       << 
                                                 << 
  ## 2023-03-13 Gabriele Cosmo (geom-specific-V1 << 
  - Fixed potential uninitialised value for boun << 
    G4VTwistSurface::GetBoundaryAtPZ().          << 
                                                 << 
  ## 2023-01-02 Evgueni Tcherniaev (geom-specifi << 
  - G4QuadrangularFacet: Fixed warning message   << 
                                                 << 
  ## 2022-11-10 Gabriele Cosmo (geom-specific-V1 << 
  - Fixed compilation warnings for implicit type << 
                                                 << 
  ## 2022-10-05 Gabriele Cosmo (geom-specific-V1 << 
  - Fixed compilation warnings in Intel/icx comp << 
    but never used.                              << 
                                                 << 
  ## 2022-04-03 Evgueni Tcherniaev (geom-specifi << 
  - G4GenericTrap.cc, G4UGenericTrap.cc, G4UExtr << 
    G4TessellatedSolid.cc, G4TessellatedSolid.cc << 
    revision of CreatePolyhedron()               << 
                                                 << 
  ## 2022-02-04 Evgueni Tcherniaev (geom-specifi << 
  - G4VTwistedFaceted: used numerical evaluation << 
    integral to calculate lateral face surface a << 
                                                 << 
  ## 2022-02-01 Evgueni Tcherniaev (geom-specifi << 
  - G4ExtrudedSolid, G4UExtrudedSolid: added def << 
    parameters in the constructor with two z-sec << 
  - G4ExtrudedSolid::ZSection, G4UExtrudedSolid: << 
    added default constructor                    << 
                                                 << 
  ## 2022-01-26 Evgueni Tcherniaev (geom-specifi << 
  - G4GenericTrap::GetCubicVolume(): calculation << 
    using analytical expression; removed private << 
    GetFaceCubicVolume();                        << 
  - G4GenericTrap::GetSurfaceArea(): improved ca << 
    of the area of lateral faces; private functi << 
    GetFaceSurfaceArea(), GetTwistedFaceSurfaceA << 
    replaced with private function GetLateralFac << 
                                                 << 
  ## 2022-01-21 Evgueni Tcherniaev (geom-specifi << 
  - G4Ellipsoid::LateralSurfaceArea(): Enhanced  << 
    the lateral surface area                     << 
                                                 << 
  ## 2022-01-11 Evgueni Tcherniaev (geom-specifi << 
  - G4VTwistedFaceted: fCubicVolume, fSurfaceAre << 
   GetCubicVolume(), GetSurfaceArea() moved to  << 
 - G4VTwistedFaceted, G4TwistedBox, G4TwistedTr << 
   calculation of volume and surface area       << 
                                                << 
 ## 2022-01-06 Evgueni Tcherniaev (geom-specifi << 
 - G4TwistedTubs: Implemented GetSurfaceArea()  << 
   analytical expressions; added private functi << 
   GetLateralArea() and GetPhiCutArea()         << 
                                                << 
 ## 2021-12-19 Evgueni Tcherniaev (geom-specifi << 
 - G4Hype: Used analytical expression in GetCub << 
   and GetSurfaceArea()                         << 
                                                << 
 ## 2021-12-10 Ben Morgan (geom-specific-V11-00 << 
 - Change to new Markdown History format        << 
                                                << 
 ---                                            << 
                                                << 
 # History entries prior to 11.0                << 
                                                << 
 03-December-2021 E.Tcherniaev      (geom-speci << 
 - G4TwistedTubs: Accurate calculation of the b << 
   BoundingLimits() and GetExtent(), fixing mea << 
   penalty. Addressing problem report #2450.    << 
 - G4TwistedTubs, G4VTwistedFaceted: Fixed GetC << 
                                                << 
 15-October-2021 E.Tcherniaev       (geom-speci << 
 - G4Tet, G4UTet: Added SetBoundingLimits()     << 
                                                << 
 06-October-2021 E.Tcherniaev       (geom-speci << 
 - G4Tet: some changes in calculation of boundi << 
 - G4UTet: added CheckDegeneracy() and SetVerti << 
                                                << 
 27-September-2021 E.Tcherniaev     (geom-speci << 
 - Added degeneracyFlag to the list of paramete << 
   it addresses first part of the problem repor << 
                                                << 
 24-September-2021 E.Tcherniaev     (geom-speci << 
 - Implemented G4TesselatedSolid::GetFacetIndex << 
                                                << 
 10-September-2021 E.Tcherniaev     (geom-speci << 
 - Implemented G4TesselatedSolid::CheckStructur << 
 - Optimisation in G4TessellatedSolid::SetExtre << 
   shuffle of vertices and checking of six extr << 
                                                << 
 21-July-2021 E.Tcherniaev          (geom-speci << 
 - More accurate calculation of distance from p << 
   in G4TriangularFacet, it addresses problem r << 
                                                << 
 25-June-2021 G.Cosmo               (geom-speci << 
 - Added missing accessor in G4UTet.            << 
                                                << 
 12-May-2021 E.Tcherniaev           (geom-speci << 
 - Reimplemented CreatePolyhedron() in          << 
   G4Polyhedra, G4Polycone, G4GenericPolycone,  << 
   G4UPolyhedra, G4UPolycone, G4UGenericPolycon << 
                                                << 
 30-April-2021 G.Cosmo              (geom-speci << 
 - Fixed use of conversion factor in G4UPolyhed << 
   polyhedra constructs.                        << 
                                                << 
 19-April-2021 E.Tcherniaev         (geom-speci << 
 - G4Polyhedra, G4Polycone: Fix calculation of  << 
   of negative phiStart, it addresses also prob << 
                                                << 
 30-March-2021 B.Morgan             (geom-speci << 
 - Migrate sources.cmake to modular build API   << 
                                                << 
 18-March-2021 E.Tcherniaev         (geom-speci << 
 - Fix calculation of bounding box position in  << 
   it addresses problem report #2301            << 
                                                << 
 13-January-2021 G.Cosmo            (geom-speci << 
 - Reduce cases of bad speculation in G4Polyhed << 
   G4PolyPhiFace::InsideEdges(), based on repor << 
   by G.Amadio.                                 << 
                                                << 
 30-October-2020 E.Tcherniaev       (geom-speci << 
 - G4Polycone: Revised GetPointOnSurface();     << 
   Added protected auxiliary method SetSurfaceE << 
   Removed GetPointOnCone(), GetPointOnTubs(),  << 
 - G4GenericPolycone: Revised GetPointOnSurface << 
   Added protected auxiliary method SetSurfaceE << 
 - G4Polyhedra: Revised GetPointOnSurface();    << 
   Added protected auxiliary method SetSurfaceE << 
   Removed GetPointOnPlane(), GetPointOnTriangl << 
                                                << 
 01-October-2020 E.Tcherniaev       (geom-speci << 
 - G4Polycone, G4GenericPolycone, G4Polyhedra:  << 
   implemented GetSurfaceArea(), GetCubicVolume << 
                                                << 
 May  21, 2020 Guilherme Lima       (geom-speci << 
 ----------------------------                   << 
 - Fix constructor signatures in G4UExtrudedSol << 
   There were missing const and reference quali << 
                                                << 
 30-April-2020 G.Cosmo              (geom-speci << 
 - Adopt new convention for location of headers << 
                                                << 
 09-April-2020 E.Tcherniaev         (geom-speci << 
 - Added G4GenericTrap::GetTwistedFaceSurfaceAr << 
 - testG4GenericTrap.cc: fixed test for calcula << 
 - testG4ExtrudedSolid.cc: fixed assert stateme << 
   point flys along the surface (DistanceToIn() << 
                                                << 
 17-January-2020 E.Tcherniaev       (geom-speci << 
 - Implemented G4Tet::SetVertices(), it address << 
   at Geant4 Technical Forum.                   << 
                                                << 
 14-January-2020 Gabriele Cosmo     (geom-speci << 
 - Added protection in G4VFacet header for doub << 
   symbols from Windows Kits code.              << 
                                                << 
 08-January-2020 E.Tcherniaev       (geom-speci << 
 - Complete revision of G4Tet, speed up, new te << 
   It also fixes issues spotted by new unit tes << 
                                                << 
 16-December-2019 E.Tcherniaev      (geom-speci << 
 - Complete revision of G4Ellipsoid, it fixes i << 
   implementation, in particular it addresses p << 
   30%-70% speed-up in all main methods.        << 
                                                << 
 11-December-2019 B.Morgan          (geom-speci << 
 - Cleanup CMake build, removing obsolete granu << 
   explicit include_directories.                << 
                                                << 
 10-December-2019 G.Cosmo           (geom-speci << 
 - Re-established parameterisation mechanism fo << 
   removed by mistake. Addressing problem repor << 
                                                << 
 26-November-2019 G.Cosmo           (geom-speci << 
 - Fixed cases of implicit type conversions fro << 
                                                << 
 05-November-2019 E.Tcherniaev      (geom-speci << 
 - G4TesselatedSolid.cc: fixed minor Coverity d << 
                                                << 
 07-October-2019 E.Tcherniaev       (geom-speci << 
 - G4TesselatedSolid.cc: fixed minor Coverity d << 
                                                << 
 16-September-2019 G.Cosmo          (geom-speci << 
 - Rationalise header inclusions for faceted so << 
                                                << 
 06-September-2019 G.Cosmo          (geom-speci << 
 - Removed unnecessary forward declaration in G << 
                                                << 
 29-August-2019 G.Cosmo             (geom-speci << 
 - Minor c++11 revision and headers cleanup. Co << 
 - Use pre-increment wherever possible.         << 
                                                << 
 19-August-2019 G.Lima              (geom-speci << 
 - G4ExtrudedSolid: fixed a bug in DistanceToOu << 
   defined off-center along the z-axis.         << 
                                                << 
 19-August-2019 G.Cosmo             (geom-speci << 
 - G4GenericTrap: fixed compilation warnings fo << 
                                                << 
 13-August-2019 G.Cosmo             (geom-speci << 
 - Enabled wrappers for VecGeom implementation  << 
   G4EllipticalCone and G4Ellipsoid.            << 
                                                << 
 10-July-2019 E.Tcherniaev          (geom-speci << 
 - Fixed G4UExtrudedSolid::CreatePolyhedron().  << 
   Addressing visualization part of the problem << 
                                                << 
 04-July-2019 G.Cosmo               (geom-speci << 
 - Avoid defining kCarTolerance as 'static cons << 
   Addressing problem report #2172.             << 
                                                << 
 11-June-2019 E.Tcherniaev          (geom-speci << 
 - Use GetVertices() instead of GetParametersLi << 
                                                << 
 29-May-2019 G.Cosmo                (geom-speci << 
 - Fixed minor Coverity defects.                << 
                                                << 
 20-May-2019 G.Cosmo                (geom-speci << 
 - Defined move constructor and move assignment << 
                                                << 
 14-May-2019 B.Morgan               (geom-speci << 
 - Add inclusion of new G4GeomTypes.hh header t << 
   VecGeom replacement.                         << 
 - See also geommng-10-05-05                    << 
                                                << 
 23-April-2019  G.Cosmo             (geom-speci << 
 - Modified G4PolyconeSide and G4PolyhedraSide  << 
   MT splitted data in G4PlSideData and G4PhSid << 
                                                << 
 16-April-2019  G.Cosmo             (geom-speci << 
 - Protected check in G4TwistTubsSide::Distance << 
                                                << 
 4-April-2019  G.Cosmo              (geom-speci << 
 - Enabled wrapper for VecGeom implementation o << 
                                                << 
 15-February-2019  E.Tcherniaev     (geom-speci << 
 - Accurate calculation of radical in G4Interse << 
   It addresses the problem report #2111.       << 
                                                << 
 4-February-2019  G.Cosmo           (geom-speci << 
 - Fix in G4EllipticalTube::CheckParameters() f << 
                                                << 
 30-January-2019  G.Cosmo           (geom-speci << 
 - Disabled precise computation of extent and u << 
   in CalculateExtent() for G4Tet and G4Tessell << 
   intialisation in setups with relatively comp << 
 - Apply bounding-box calculation for extent al << 
   VecGeom wrappers.                            << 
                                                << 
 24-January-2019  E.Tcherniaev      (geom-speci << 
 - Completely revised, more robust and performa << 
   new exhaustive test/testEllipticalTube.cc ba << 
                                                << 
 20-September-2018  G.Cosmo         (geom-speci << 
 - Make G4UPolycone wrapper inheriting from vec << 
   following the latest changes in VecGeom.     << 
                                                << 
 13-September-2018  G.Cosmo         (geom-speci << 
 - G4UTessellatedSolid, G4UExtrudedSolid: remov << 
   UVector3 and replaced with U3Vector.         << 
                                                << 
 23-August-2018  G.Cosmo            (geom-speci << 
 - Enabled VecGeom wrapper for G4Tet.           << 
                                                << 
 10-August-2018  A.Gheata           (geom-speci << 
 - Make G4UHype wrapper inheriting from vecgeom << 
   following the latest changes in VecGeom.     << 
                                                << 
 12-July-2018  G.Cosmo              (geom-speci << 
 - Removed G4SolidsWorkspacePool class. Adapted << 
   use templated class G4TWorkspacePool.        << 
 - Coworks with tags in geometry/volumes, run a << 
                                                << 
 25-Jun-2018  G.Cosmo               (geom-speci << 
 - Use dynamic_cast to attempt fix for spurious << 
   CentOS7/gcc-5.3 on G4UTessellatedSolid wrapp << 
                                                << 
 17-May-2018  J.Madsen              (geom-speci << 
 - Updated "thread-local-static-var" model to   << 
   "function-returning-thread-local-static-refe << 
   which fixes Windows DLL + MT                 << 
                                                << 
 11-April-2018  G.Cosmo             (geom-speci << 
 - Replaced USOLIDS_LIBRARIES with VECGEOM_LIBR << 
                                                << 
 13-February-2018  E.Tcherniaev     (geom-speci << 
 - Corrected conversion of input parameters to  << 
   caching for adoption in GDML persistency) in << 
   wrappers.                                    << 
                                                << 
 9-February-2018  G.Cosmo           (geom-speci << 
 - Caching facets and vertices in G4UTessellate << 
   treating indexing in facets.                 << 
                                                << 
 31-January-2018  G.Cosmo           (geom-speci << 
 - Corrected use of facets indeces in G4UTessel << 
 - Minor cleanup in G4TessellatedSolid::CreateP << 
   changes.                                     << 
                                                << 
 15-January-2018  G.Cosmo           (geom-speci << 
 - Added validity checks in G4UTessellatedSolid << 
                                                << 
 11-January-2018  G.Cosmo           (geom-speci << 
 - Added and enabled VecGeom wrapper for G4Tess << 
   Requires tags cmake-V10-04-01 and config-V10 << 
                                                << 
 20-December-2017  G.Cosmo          (geom-speci << 
 - Enabled VecGeom wrappers for G4ExtrudedSolid << 
                                                << 
 13-December-2017  E.Tcherniaev     (geom-speci << 
 - Removed redundant data initialistion in G4Ex << 
                                                << 
 11-December-2017  E.Tcherniaev     (geom-speci << 
 - Added missing initialisation of two data-mem << 
   assignment operator of G4ExtrudedSolid. Addr << 
                                                << 
 22-November-2017  G.Cosmo         (geom-specif << 
 - Fix in SurfaceNormal() for G4ExtrudedSolid t << 
   counting of the surfaces where the point is  << 
                                                << 
 2-November-2017  G.Cosmo          (geom-specif << 
 - Fixed compilation warning introduced with la << 
                                                << 
 31-October-2017  E.Tcherniaev     (geom-specif << 
 - Added specialised implementation for constru << 
   prism in G4ExtrudedSolid.                    << 
                                                << 
 20-October-2017  G.Cosmo          (geom-specif << 
 - G4TessellatedSolid: print also solid's name  << 
                                                << 
 17-October-2017  G.Cosmo          (geom-specif << 
 - Added VecGeom wrapper G4UHype for G4Hype, no << 
   fixes in VecGeom.                            << 
                                                << 
 16-October-2017  G.Cosmo          (geom-specif << 
 - Temporarly disabled wrappers for G4Tet and G << 
   their corresponding implementation in VecGeo << 
                                                << 
 28-September-2017  G.Cosmo        (geom-specif << 
 - Corrected initialisation of polyhedra by ver << 
   following the changes in VecGeom.            << 
                                                << 
 15-September-2017  G.Cosmo        (geom-specif << 
 - G4SolidsWorkspacePool: use DLL export flag f << 
   symbol of the workspace.                     << 
                                                << 
 12-September-2017  G.Cosmo        (geom-specif << 
 - G4Voxelizer: directly set components for bou << 
   recreating it in BuildBoundingBox(..).       << 
                                                << 
 8-September-2017  E.Tcherniaev    (geom-specif << 
 - Added specialised implementation for constru << 
   prism in G4ExtrudedSolid.                    << 
                                                << 
 4-September-2017  G.Cosmo         (geom-specif << 
 - Temporarly disabled wrapper for extruded-sol << 
   of extruded-solid in VecGeom.                << 
                                                << 
 16-August-2017  J.Allison         (geom-specif << 
 - Twisted solids: Fixed bug in drawing polyhed << 
   Addressing problem report #1995.             << 
                                                << 
 27-July-2017  E.Tcherniaev        (geom-specif << 
 - G4EllipticalCone: corrected samping of rando << 
   function GetPointOnSurface().                << 
                                                << 
 24-July-2017  E.Tcherniaev        (geom-specif << 
 - G4EllipticalCone: improved GetPointOnSurface << 
   points, using function G4RandomPointOnEllips << 
                                                << 
 20-July-2017  E.Tcherniaev        (geom-specif << 
 - G4EllipticalCone: reviewed implementation of << 
   SurfaceNormal() and GetPointOnSurface(); mad << 
   Addressing problem report #1974.             << 
                                                << 
 15-June-2017  G.Cosmo             (geom-specif << 
 - Enabled adapter also in G4UPolycone wrapper. << 
 - Added check on open solid for G4UPolyhedra w << 
                                                << 
 6-June-2017  G.Cosmo              (geom-specif << 
 - Enable adapter for VecGeom shapes in G4U* wr << 
   polyhedra and GenericTrap. From now on, wrap << 
   VecGeom shapes implementation. USolids API i << 
   supported.                                   << 
                                                << 
 24-May-2017  G.Cosmo              (geom-specif << 
 - Renamed ambiguous name Extent() in all solid << 
   BoundingLimits(). Change required in order t << 
   with VecGeom in G4U* wrappers.               << 
   Requires tag geommng-V10-03-16.              << 
                                                << 
 11-May-2017  G.Cosmo              (geom-specif << 
 - Removed potential race condition in G4VTwist << 
   Addressing problem report #1972.             << 
                                                << 
 7-April-2017  G.Cosmo             (geom-specif << 
 - Renamed G4SurfaceVoxelizer to G4Voxelizer an << 
   voxelisation of shapes in 3D space. Adapted  << 
                                                << 
 13-March-2017  G.Cosmo            (geom-specif << 
 - G4SolidsWorkspacePool: implemented CleanUpAn << 
   to be called by worker threads. Removed decl << 
   of protected method ReleaseAndDestroyWorkspa << 
                                                << 
 2-March-2017  E.Tcherniaev        (geom-specif << 
 - Fixed possible rounding off error in calcula << 
   for one step) in CalculateExtent() for G4Pol << 
   and related USolids wrappers.                << 
                                                << 
 27-February-2017  E.Tcherniaev    (geom-specif << 
 - Revised implementation of GetCubicVolume() a << 
   G4EllipticalTube, to return exact values.    << 
 - Revised implementation of GetSurfaceArea() f << 
   return exact value; moved both GetCubicVolum << 
   be not inline.                               << 
                                                << 
 13-December-2016  G.Cosmo         (geom-specif << 
 - Correction in G4UExtrudedSolid to signature       - Correction in G4UExtrudedSolid to signature for CalculateExtent().
   Fixes issue of undefined symbol if extruded-        Fixes issue of undefined symbol if extruded-solid not included in the
   list of VecGeom wrappers to activate.               list of VecGeom wrappers to activate.
                                                     
 30-November-2016  E.Tcherniaev    (geom-specif      30-November-2016  E.Tcherniaev    (geom-specific-V10-02-25)
 - Call RemoveRedundantVertices() from G4GeomTo      - Call RemoveRedundantVertices() from G4GeomTools in CalculateExtent()
   for G4Polycone, G4Polyhedra and related USol        for G4Polycone, G4Polyhedra and related USolids wrappers.
 - Fix in G4Parabolid and G4UParaboloid for cor      - Fix in G4Parabolid and G4UParaboloid for correct computation of extent.
                                                     
 18-November-2016  E.Tcherniaev    (geom-specif      18-November-2016  E.Tcherniaev    (geom-specific-V10-02-24)
 - Added consistency checks for extent computat      - Added consistency checks for extent computation in USolids wrappers.
 - Fix in cached parameters in G4UPolyhedra.         - Fix in cached parameters in G4UPolyhedra.
                                                     
 10-November-2016  G.Cosmo         (geom-specif      10-November-2016  G.Cosmo         (geom-specific-V10-02-23)
 - G4UPolyhedra re-introduced new implementatio      - G4UPolyhedra re-introduced new implementation of CalculateExtent() using
   G4BoundingEnvelope and extended wrapper to c        G4BoundingEnvelope and extended wrapper to cache corners and start/end
   Phi parameters, to overcome issues in VecGeo        Phi parameters, to overcome issues in VecGeom on treatment of angles.
                                                     
 10-November-2016  E.Tcherniaev    (geom-specif      10-November-2016  E.Tcherniaev    (geom-specific-V10-02-22)
 - Added caching of corners and implementation       - Added caching of corners and implementation of GetCorner() in G4UPolycone
   in order to assure correct translation.             in order to assure correct translation.
 - Withdrawn changes in G4UPolyhedra introduced      - Withdrawn changes in G4UPolyhedra introduced in tag geom-specific-V10-02-16
   until understood proper conversion from VecG        until understood proper conversion from VecGeom.
                                                     
 7-November-2016  E.Tcherniaev    (geom-specifi      7-November-2016  E.Tcherniaev    (geom-specific-V10-02-21)
 - Correction in G4EllipticalCone::DistanceToOu      - Correction in G4EllipticalCone::DistanceToOut(p) to make it more accurate.
 - Added optional debug flag G4BBOX_EXTENT in G      - Added optional debug flag G4BBOX_EXTENT in GNUMake build to compare
   extent calculation by simply using bounding-        extent calculation by simply using bounding-box.
                                                     
 3-November-2016  G.Cosmo         (geom-specifi      3-November-2016  G.Cosmo         (geom-specific-V10-02-20, 19)
 - Fix in G4PolyPhiFace for potential unitialis      - Fix in G4PolyPhiFace for potential unitialised data in Inside().
                                                     
 31-October-2016  E.Tcherniaev    (geom-specifi      31-October-2016  E.Tcherniaev    (geom-specific-V10-02-18)
 - Re-implemented CalculateExtent() to make use      - Re-implemented CalculateExtent() to make use of G4BoundingEnvelope and
   removed no-longer used method CreateRotatedV        removed no-longer used method CreateRotatedVertices() in G4Polyhedra,
   G4EllipticalCone, G4Polycone, G4Paraboloid,         G4EllipticalCone, G4Polycone, G4Paraboloid, G4ExtrudedSolid, G4Hype,
   G4GenericPolycone, G4TessellatedSolid, G4Twi        G4GenericPolycone, G4TessellatedSolid, G4TwistedTubs and related USolids
   wrappers.                                           wrappers.
 - Use G4RandFlat instead of RandFlat.               - Use G4RandFlat instead of RandFlat.
                                                     
 21-October-2016  G.Cosmo         (geom-specifi      21-October-2016  G.Cosmo         (geom-specific-V10-02-17)
 - Moved initialisation of G4GeomSplitter threa      - Moved initialisation of G4GeomSplitter thread-local data to be inline
   along with generic template type.                   along with generic template type.
   Fixing compilation/linking errors on clang-3        Fixing compilation/linking errors on clang-3.9 and XCode-8 on MacOS.
                                                     
 19-October-2016  E.Tcherniaev      (geom-speci      19-October-2016  E.Tcherniaev      (geom-specific-V10-02-16)
 - Reimplemented CalculateExtent() in G4Polycon      - Reimplemented CalculateExtent() in G4Polycone, G4Polyhedra, G4GenericPolycone
   and associated USolids wrappers, to make use        and associated USolids wrappers, to make use of G4BoundingEnvelope.
                                                     
 5-October-2016  E.Tcherniaev       (geom-speci      5-October-2016  E.Tcherniaev       (geom-specific-V10-02-15, 14)
 - Reimplemented CalculateExtent() in G4Tet, G4      - Reimplemented CalculateExtent() in G4Tet, G4UTet, G4GenericTrap,
   G4UGenericTrap, G4EllipticalTube and G4VTwis        G4UGenericTrap, G4EllipticalTube and G4VTwistedFaceted, to make use
   of G4BoundingEnvelope; removed no-longer use        of G4BoundingEnvelope; removed no-longer used method CreateRotatedVertices().
                                                     
 20-September-2016  G.Cosmo         (geom-speci      20-September-2016  G.Cosmo         (geom-specific-V10-02-13)
 - Moved accessors/modifiers for splitter data       - Moved accessors/modifiers for splitter data to non-inline in
   G4PolyhedraSide and G4PolyconeSide.                 G4PolyhedraSide and G4PolyconeSide.
   Explicitly initialise G4GeomSplitter data in        Explicitly initialise G4GeomSplitter data in G4SolidsWorkspace
   translation unit.                                   translation unit.
   Fixing compilation/linking errors on clang-3        Fixing compilation/linking errors on clang-3.9 and XCode-8 on MacOS.
                                                     
 06-July-2016  E.Tcherniaev         (geom-speci      06-July-2016  E.Tcherniaev         (geom-specific-V10-02-12)
 - Fixed monir typo in function Create() for G4      - Fixed monir typo in function Create() for G4Polycone, G4Polyhedra and
   G4GenericPolycone.                                  G4GenericPolycone.
   Fixed minor typos in G4GenericTrap::SurfaceN        Fixed minor typos in G4GenericTrap::SurfaceNormal() and
   G4VTwistSurface::CurrentStatus::ResetfDone()        G4VTwistSurface::CurrentStatus::ResetfDone().
   Issues detected by PVS-Studio static code an        Issues detected by PVS-Studio static code analyzer.
   Addressing problem report #1876.                    Addressing problem report #1876.
                                                     
 24-May-2016  G.Cosmo               (geom-speci      24-May-2016  G.Cosmo               (geom-specific-V10-02-11)
 - Correction in G4UExtrudedSolid for definitio      - Correction in G4UExtrudedSolid for definition of CreatePolyhedron().
                                                     
 20-May-2016  G.Cosmo               (geom-speci      20-May-2016  G.Cosmo               (geom-specific-V10-02-10)
 - Moved accessors and modifiers in USolids wra      - Moved accessors and modifiers in USolids wrappers to be not inlined.
   Required modification in order to allow corr        Required modification in order to allow correct dispatching to VecGeom
   types.                                              types.
                                                     
 15-Apr-2016  G.Cosmo               (geom-speci      15-Apr-2016  G.Cosmo               (geom-specific-V10-02-09)
 - Added flag in USolids wrappers for partial u      - Added flag in USolids wrappers for partial use of USolids/VecGeom types.
                                                    
 31-Mar-2016  G.Cosmo               (geom-speci     31-Mar-2016  G.Cosmo               (geom-specific-V10-02-08, 07)
 - Added overloaded CreatePolyhedron() method t     - Added overloaded CreatePolyhedron() method to USolids wrappers.
   It is now possible to visualize supported Ve       It is now possible to visualize supported VecGeom shapes.
 - Added implementation of CreatePolyhedron() i     - Added implementation of CreatePolyhedron() in UExtrudedSolid wrapper.
                                                    
 10-Mar-2016  G.Cosmo               (geom-speci     10-Mar-2016  G.Cosmo               (geom-specific-V10-02-06)
 - Added overloaded GetEntityType() method to U     - Added overloaded GetEntityType() method to USolids wrappers.
                                                    
 07-Mar-2016  E.Tcherniaev          (geom-speci     07-Mar-2016  E.Tcherniaev          (geom-specific-V10-02-05)
 - Fix in G4IntersectingCone for smaller precis     - Fix in G4IntersectingCone for smaller precision constant in LineHitsCone1()
   and LineHitsCone2(). Fixes issue observed in       and LineHitsCone2(). Fixes issue observed in G4GenericPolycone.
   Addressing problem report #1794.                   Addressing problem report #1794.
                                                    
 03-Mar-2016  G.Cosmo               (geom-speci     03-Mar-2016  G.Cosmo               (geom-specific-V10-02-04)
 - Fixed compilation warnings for potential uni     - Fixed compilation warnings for potential uninitialised values in
   G4ExtrudedSolid::CheckPolygon() function int       G4ExtrudedSolid::CheckPolygon() function introduced in previous tag.
                                                    
 03-Mar-2016  E.Tcherniaev          (geom-speci     03-Mar-2016  E.Tcherniaev          (geom-specific-V10-02-03)
 - Added 'const' qualifier for methods in G4Ext     - Added 'const' qualifier for methods in G4ExtrudedSolid.
   Added CheckPolygon() to remove collinear and       Added CheckPolygon() to remove collinear and coincident points from polygons.
 - G4QuadrangularFacet: added exhaustive tests      - G4QuadrangularFacet: added exhaustive tests in constructor to catch potential
   problems with a quadrangular facet: collinea       problems with a quadrangular facet: collinear vertices, non planar surface,
   degenerate, concave or self intersecting qua       degenerate, concave or self intersecting quadrilateral.
 - G4TriangularFacet: Improved test in construc     - G4TriangularFacet: Improved test in constructor to detect degenerate (too
   small or too narrow) triangles.                    small or too narrow) triangles.
                                                    
 25-Feb-2016  E.Tcherniaev          (geom-speci     25-Feb-2016  E.Tcherniaev          (geom-specific-V10-02-02)
 - Correction in G4ExtrudedSolid::AddGeneralPol     - Correction in G4ExtrudedSolid::AddGeneralPolygonFacets() for precision
   treatment in construction of tessels to avoi       treatment in construction of tessels to avoid cases of collinear points
   and consequent degenerating triangles.             and consequent degenerating triangles.
   Address problem report #1777.                      Address problem report #1777.
 - Use pre-computed kCarToleranceHalf constant      - Use pre-computed kCarToleranceHalf constant in G4ExtrudedSolid, now
   protected in G4TessellatedSolid.                   protected in G4TessellatedSolid.
 - Improved algorithms for computation of area      - Improved algorithms for computation of area in G4TriangularFacet and
   G4QuadrangularFacet. Added post-const qualif       G4QuadrangularFacet. Added post-const qualifier to GetArea().
                                                    
 16-Feb-2016  G.Cosmo               (geom-speci     16-Feb-2016  G.Cosmo               (geom-specific-V10-02-01)
 - Revised implementation for GetSurfaceArea()      - Revised implementation for GetSurfaceArea() and GetCubicVolume() in
   G4GenericTrap (E.Tcherniaev).                      G4GenericTrap (E.Tcherniaev).
 - Protected debug warning in G4GenericTrap::Su     - Protected debug warning in G4GenericTrap::SurfaceNormal() within G4SPECSDEBUG.
                                                    
 02-Feb-2016  E.Tcherniaev          (geom-speci     02-Feb-2016  E.Tcherniaev          (geom-specific-V10-02-00)
 - Fix in G4GenericTrap for compuation of exten     - Fix in G4GenericTrap for compuation of extent.
   Addressing problem report #1809.                   Addressing problem report #1809.
 - Use dot() in formula for computation of GetC     - Use dot() in formula for computation of GetCubicVolume() in
   G4TessellatedSolid.                                G4TessellatedSolid.
                                                    
 18-Nov-2015  G.Cosmo               (geom-speci     18-Nov-2015  G.Cosmo               (geom-specific-V10-01-15)
 - Added specialised implementation for GetCubi     - Added specialised implementation for GetCubicVolume() in
   G4TessellatedSolid (J.Allison).                    G4TessellatedSolid (J.Allison).
                                                    
 29-Oct-2015  G.Cosmo               (geom-speci     29-Oct-2015  G.Cosmo               (geom-specific-V10-01-14)
 - Added debug printouts within G4SPECSDEBUG in     - Added debug printouts within G4SPECSDEBUG in G4TessellatedSolid for
   DistanceToIn/Out(p,v) to identify potential        DistanceToIn/Out(p,v) to identify potential wrong responses.
                                                    
 26-Oct-2015  G.Cosmo               (geom-speci     26-Oct-2015  G.Cosmo               (geom-specific-V10-01-13)
 - Removed redundant condition in G4Polyhedra a     - Removed redundant condition in G4Polyhedra and G4polycone
   SetOriginalParameters() method.                    SetOriginalParameters() method.
                                                    
 23-Oct-2015  G.Cosmo               (geom-speci     23-Oct-2015  G.Cosmo               (geom-specific-V10-01-12)
 - G4PolyhedraSide: moved internal struct defin     - G4PolyhedraSide: moved internal struct definitions to public section
   to overcome deficiencies in object-persisten       to overcome deficiencies in object-persistency class parsing.
                                                    
 07-Oct-2015  G.Cosmo               (geom-speci     07-Oct-2015  G.Cosmo               (geom-specific-V10-01-11)
 - Protected compilation of USolid wrappers wit     - Protected compilation of USolid wrappers with G4GEOM_USE_USOLIDS flag.
                                                    
 01-Sep-2015  G.Cosmo               (geom-speci     01-Sep-2015  G.Cosmo               (geom-specific-V10-01-10)
 - Corrected conditional compilation flag in G4     - Corrected conditional compilation flag in G4UParaboloid.cc.
                                                    
 31-Aug-2015  G.Cosmo               (geom-speci     31-Aug-2015  G.Cosmo               (geom-specific-V10-01-09)
 - Added USolids/VecGeom wrapper for G4Parabolo     - Added USolids/VecGeom wrapper for G4Paraboloid (G.Lima/FNAL).
   Activated only for external USolids/VecGeom        Activated only for external USolids/VecGeom installation.
                                                    
 13-Aug-2015  G.Cosmo               (geom-speci     13-Aug-2015  G.Cosmo               (geom-specific-V10-01-08)
 - Checked for potential never-ending loops.        - Checked for potential never-ending loops.
   No issues found, only added annotations.           No issues found, only added annotations.
                                                    
 05-Aug-2015  G.Cosmo               (geom-speci     05-Aug-2015  G.Cosmo               (geom-specific-V10-01-07)
 - Minor code cleanup in G4SurfaceVoxelizer.        - Minor code cleanup in G4SurfaceVoxelizer.
                                                    
 03-Mar-2015  G.Cosmo               (geom-speci     03-Mar-2015  G.Cosmo               (geom-specific-V10-01-06)
 - Use accessors x(), y() and z() from UVector3     - Use accessors x(), y() and z() from UVector3, instead of directly accessing
   its data-members. Co-work with tag "geom-uso       its data-members. Co-work with tag "geom-usolids-V10-01-09".
                                                    
 23-Feb-2015  T.Nikitina            (geom-speci     23-Feb-2015  T.Nikitina            (geom-specific-V10-01-05)
 - Fix in SetOriginalParameters() for G4Polycon     - Fix in SetOriginalParameters() for G4Polycone and G4Polyhedra, in case
   of presence of 'rings' structures. Addressin       of presence of 'rings' structures. Addressing problem report #1705.
                                                    
 26-Jan-2015  G.Cosmo               (geom-speci     26-Jan-2015  G.Cosmo               (geom-specific-V10-01-04)
 - Renamed DistanceAwayForInside() to DistanceA     - Renamed DistanceAwayForInside() to DistanceAway() and use polymorphism.
                                                    
 26-Jan-2015  T.Nikitina            (geom-speci     26-Jan-2015  T.Nikitina            (geom-specific-V10-01-03, 02)
 - Added special method for Inside 'DistanceAwa <<  - Added special method for Inside 'DistanceAwayForInside()' in order to fix 
   precision problem of calculation of Distance <<    precision problem of calculation of DistanceToSide() in G4PolyconeSide. 
                                                    
 21-Jan-2015  T.Nikitina            (geom-speci     21-Jan-2015  T.Nikitina            (geom-specific-V10-01-01)
 - Fixed triangularisation method AddGeneralPOl     - Fixed triangularisation method AddGeneralPOlygoneFacets() in
   G4ExtrudedSolid by avoiding flat triangles.        G4ExtrudedSolid by avoiding flat triangles.
 - Added warning message to G4TriangularFacet c     - Added warning message to G4TriangularFacet constructor if Area is 0;
   i.e., case of flat triangle.                       i.e., case of flat triangle.
 - Addressing problem report #1703.                 - Addressing problem report #1703.
                                                    
 12-Dec-2014  G.Cosmo               (geom-speci     12-Dec-2014  G.Cosmo               (geom-specific-V10-01-00)
 - Use canonical form for operator=() in G4Poly     - Use canonical form for operator=() in G4PolyconeHistorical and
   G4PolyhedraHistorical.                             G4PolyhedraHistorical.
                                                    
 17-Sep-2014  G.Cosmo               (geom-speci     17-Sep-2014  G.Cosmo               (geom-specific-V10-00-11)
 - Added wrappers for UExtrudedSolid and UGener     - Added wrappers for UExtrudedSolid and UGenericTrap; adapted switches to
   original G4 types accordingly. Requires tag        original G4 types accordingly. Requires tag "geom-usolids-V10-00-16".
                                                    
 01-Sep-2014  G.Cosmo               (geom-speci     01-Sep-2014  G.Cosmo               (geom-specific-V10-00-10)
 - Fixed use of polyhedron pointer, to avoid ra     - Fixed use of polyhedron pointer, to avoid race condition in MT
   when parameterised volumes are visualised.         when parameterised volumes are visualised.
                                                    
 22-May-2014  G.Cosmo               (geom-speci     22-May-2014  G.Cosmo               (geom-specific-V10-00-09)
 - Added protection in generic constructor of G     - Added protection in generic constructor of G4Polyhedra for the case when
   improper number of sides is given as input.        improper number of sides is given as input.
                                                    
 10-Apr-2014  G.Cosmo               (geom-speci     10-Apr-2014  G.Cosmo               (geom-specific-V10-00-08)
 - Get rid of deprecated 'register' storage cla     - Get rid of deprecated 'register' storage class specifier in source files.
                                                    
 31-Mar-2014  G.Cosmo               (geom-speci     31-Mar-2014  G.Cosmo               (geom-specific-V10-00-07)
 - Fixed signature of assignment operator to G4     - Fixed signature of assignment operator to G4VCSGfaceted.
                                                    
 31-Mar-2014  G.Cosmo               (geom-speci     31-Mar-2014  G.Cosmo               (geom-specific-V10-00-06)
 - Fixed signature of assignment operator to G4     - Fixed signature of assignment operator to G4Polycone, G4Polyhedra and
   and G4GenericPolycone.                             and G4GenericPolycone.
                                                    
 05-Mar-2014  G.Cosmo               (geom-speci     05-Mar-2014  G.Cosmo               (geom-specific-V10-00-05)
 - Fixed proper handling of polyhedron pointer      - Fixed proper handling of polyhedron pointer in solids, to avoid memory
   leak for visualization of parameterised volu       leak for visualization of parameterised volumes.
                                                    
 12-Feb-2014  G.Cosmo               (geom-speci     12-Feb-2014  G.Cosmo               (geom-specific-V10-00-04)
 - Simply reset polyhedron pointer to zero for      - Simply reset polyhedron pointer to zero for modifiers of G4U* wrappers
   in parameterisation. Resolves crash in MT vi <<    in parameterisation. Resolves crash in MT visualization when using USolids. 
                                                    
 12-Feb-2014  G.Cosmo               (geom-speci     12-Feb-2014  G.Cosmo               (geom-specific-V10-00-03 [and -02])
 - Added correct cloning mechanism in G4U* wrap     - Added correct cloning mechanism in G4U* wrappers.
   Addressing problem report #1553.                   Addressing problem report #1553.
                                                    
 18-Dec-2013  T.Nikitina            (geom-speci     18-Dec-2013  T.Nikitina            (geom-specific-V10-00-01)
 - Fix in G4GenericTrap::InsidePolygone() to ch     - Fix in G4GenericTrap::InsidePolygone() to check if p lies between the two
   extremes of the segment. Addressing problem        extremes of the segment. Addressing problem report #1541.
                                                    
 17-Dec-2013  G.Cosmo               (geom-speci     17-Dec-2013  G.Cosmo               (geom-specific-V10-00-00)
 - Corrected left-over debug printout in G4Poly     - Corrected left-over debug printout in G4Polycone::SetOriginalParameters().
                                                    
 04-Dec-2013  G.Cosmo               (geom-speci     04-Dec-2013  G.Cosmo               (geom-specific-V09-06-36)
 - Corrected left-over debug printout in G4Poly     - Corrected left-over debug printout in G4Polyhedra::SetOriginalParameters().
                                                    
 22-Nov-2013  G.Cosmo               (geom-speci     22-Nov-2013  G.Cosmo               (geom-specific-V09-06-35)
 - Correction to USolids wrappers for proper se     - Correction to USolids wrappers for proper setting of name to base class.
                                                    
 19-Nov-2013  J.Apostolakis         (geom-speci     19-Nov-2013  J.Apostolakis         (geom-specific-V09-06-34)
 - Fix for issue identified by Coverity: fixed      - Fix for issue identified by Coverity: fixed implementation of
   G4SolidsWorkspacePool singleton.                   G4SolidsWorkspacePool singleton.
                                                    
 20-Nov-2013  T.Mikitina            (geom-speci     20-Nov-2013  T.Mikitina            (geom-specific-V09-06-33)
 - Fixed Coverity defects to USolids wrappers.      - Fixed Coverity defects to USolids wrappers.
                                                    
 14-Nov-2013  G.Cosmo               (geom-speci     14-Nov-2013  G.Cosmo               (geom-specific-V09-06-32, 31)
 - Enabled use of Reset() in G4UPolycone.           - Enabled use of Reset() in G4UPolycone.
 - Corrections to G4UPolycone and G4UPolyhedra      - Corrections to G4UPolycone and G4UPolyhedra to allow for visualization
   of parameterisations on these solids.              of parameterisations on these solids.
                                                    
 13-Nov-2013  G.Cosmo               (geom-speci     13-Nov-2013  G.Cosmo               (geom-specific-V09-06-30)
 - Correction to G4UTet and G4UGenericPolycone      - Correction to G4UTet and G4UGenericPolycone to explicitly include
   symbols re-definitions from G4Tet and G4Gene       symbols re-definitions from G4Tet and G4GenericPolycone respectively.
                                                    
 12-Nov-2013  G.Cosmo               (geom-speci     12-Nov-2013  G.Cosmo               (geom-specific-V09-06-29)
 - Added dummy method G4UPolycone::Reset().         - Added dummy method G4UPolycone::Reset().
   NOTE: Required related implementation (curre       NOTE: Required related implementation (currently missing!) in UPolycone.
                                                    
 12-Nov-2013  G.Cosmo               (geom-speci     12-Nov-2013  G.Cosmo               (geom-specific-V09-06-28)
 - Correction to USolids switch mechanism for G     - Correction to USolids switch mechanism for G4Polycone.
                                                <<      
 08-Nov-2013  J.Apostolakis         (geom-speci     08-Nov-2013  J.Apostolakis         (geom-specific-V09-06-27)
 - G4SolidsWorkspace: cleanup of verbosity.         - G4SolidsWorkspace: cleanup of verbosity.
   Reduced verbosity by making it optional.     <<    Reduced verbosity by making it optional.  
   Added Set/Get Verbose methods to toggle and        Added Set/Get Verbose methods to toggle and view it.
   Added parameter to constructor for verbosity       Added parameter to constructor for verbosity (default=off).
                                                    
 07-Nov-2013  G.Cosmo (geom-specific-V09-06-26)     07-Nov-2013  G.Cosmo (geom-specific-V09-06-26)
 - Moved wrappers from usolids module.              - Moved wrappers from usolids module.
   Fixed internal dispatcher method for paramet       Fixed internal dispatcher method for parameterisation in all wrappers.
 - Added switching mechanism for G4GenericPolyc     - Added switching mechanism for G4GenericPolycone, G4Polycone, G4Polyhedra
   and G4Tet.                                         and G4Tet.
                                                    
 06-Nov-2013  G.Cosmo (geom-specific-V09-06-25)     06-Nov-2013  G.Cosmo (geom-specific-V09-06-25)
 - Added switch mechanism for USolids (G4Generi     - Added switch mechanism for USolids (G4GenericPolycone, G4Polycone,
   G4Polyhedra, G4Tet). Renamed related G4 type       G4Polyhedra, G4Tet). Renamed related G4 types to 'G4O'.
 - Moved wrappers from USolids module.              - Moved wrappers from USolids module.
                                                    
 01-Nov-2013  G.Cosmo (geom-specific-V09-06-24)     01-Nov-2013  G.Cosmo (geom-specific-V09-06-24)
 - Corrected CMake script.                          - Corrected CMake script.
                                                    
 31-Oct-2013  G.Cosmo (geom-specific-V09-06-23)     31-Oct-2013  G.Cosmo (geom-specific-V09-06-23)
 - Fix for in G4Polyhedra::SetOriginalParameter     - Fix for in G4Polyhedra::SetOriginalParameters(). (T.Nikitina)
 - Moved G4PolyconeHistorical and G4PolyhedraHi     - Moved G4PolyconeHistorical and G4PolyhedraHistorical in separate
   translation units.                                 translation units.
                                                    
 29-Oct-2013  T.Nikitina (geom-specific-V09-06-     29-Oct-2013  T.Nikitina (geom-specific-V09-06-22)
 - Split G4Polycone for polycones with decreasi     - Split G4Polycone for polycones with decreasing Z-sections.
   Introduced new class G4GenericPolycone.            Introduced new class G4GenericPolycone.
 - Fixed conversion of generic construct for G4     - Fixed conversion of generic construct for G4Polyhedra.
                                                    
 17-Oct-2013  J.Apostolakis/A.Dotti (geom-speci     17-Oct-2013  J.Apostolakis/A.Dotti (geom-specific-V09-06-21)
 - Cleanup of code for workspace.                   - Cleanup of code for workspace.
                                                    
 16-Oct-2013  J.Apostolakis/A.Dotti (geom-speci     16-Oct-2013  J.Apostolakis/A.Dotti (geom-specific-V09-06-20)
 - Created G4SolidsWorkspacePool class, to mana     - Created G4SolidsWorkspacePool class, to manage Workspaces
   Fixed Singleton G4SolidsWorkspacePool for th <<    Fixed Singleton G4SolidsWorkspacePool for thread safe creation of object. 
                                                    
 04-Oct-2013  J.Apostolakis (geom-specific-V09-     04-Oct-2013  J.Apostolakis (geom-specific-V09-06-19)
 - Retagged.                                        - Retagged.
   NOTE: requires tag "geommng-V09-06-12" and c       NOTE: requires tag "geommng-V09-06-12" and co-works with "geomvol-V09-06-13".
                                                    
 04-Oct-2013  J.Apostolakis (geom-specific-V09-     04-Oct-2013  J.Apostolakis (geom-specific-V09-06-18)
 - Created G4SolidsWorkspace class, to create,      - Created G4SolidsWorkspace class, to create, initialize and destroy
   per-thread state of PolyCone Sides and PolyH       per-thread state of PolyCone Sides and PolyHedra Sides.
                                                    
 27-Aug-2013  G.Cosmo (geom-specific-V09-06-17)     27-Aug-2013  G.Cosmo (geom-specific-V09-06-17)
 - Enabled G4Ellipsoid for parameterisation.        - Enabled G4Ellipsoid for parameterisation.
                                                    
 14-Aug-2013  G.Cosmo (geom-specific-V09-06-16)     14-Aug-2013  G.Cosmo (geom-specific-V09-06-16)
 - Move function-scoped 'static const' values f     - Move function-scoped 'static const' values for half-tolerances to private
   data members of classes, to overcome false-p       data members of classes, to overcome false-positive race-conditions defects
   reported by Valgrind in MT mode.                   reported by Valgrind in MT mode.
 - Fix in G4TessellatedSolid::DistanceToIn(p,v)     - Fix in G4TessellatedSolid::DistanceToIn(p,v) for specific cases where points
   are located near surface (T.Nikitina).             are located near surface (T.Nikitina).
                                                    
 16-Jul-2013  M.Gayer (geom-specific-V09-06-15)     16-Jul-2013  M.Gayer (geom-specific-V09-06-15)
 - Fix in G4SurfaceVoxelizer affecting tessella     - Fix in G4SurfaceVoxelizer affecting tessellated-solid (and extruded-solid)
   for wrong computation of DistanceToIn(p,v) f       for wrong computation of DistanceToIn(p,v) for points outside, when
   optimisation is active.                            optimisation is active.
                                                    
 11-Jul-2013  G.Cosmo (geom-specific-V09-06-14)     11-Jul-2013  G.Cosmo (geom-specific-V09-06-14)
 - Fixed compilation warning in G4Polycone on M     - Fixed compilation warning in G4Polycone on MacOS/clang.
                                                    
 09-Jul-2013  T.Nikitina (geom-specific-V09-06-     09-Jul-2013  T.Nikitina (geom-specific-V09-06-13)
 - Extended method SetOriginalParameters() in G     - Extended method SetOriginalParameters() in G4Polycone in order to handle
   all possible cases of conversion of generic        all possible cases of conversion of generic polycone to polycone with
   (Rmin,Rmaz,Z) parameters.                          (Rmin,Rmaz,Z) parameters.
   Addressing problem report #1462.                   Addressing problem report #1462.
                                                    
 03-Jun-2013  G.Cosmo (geom-specific-V09-06-12)     03-Jun-2013  G.Cosmo (geom-specific-V09-06-12)
 - Fixed minor Coverity defect in G4PolyhedraSi     - Fixed minor Coverity defect in G4PolyhedraSide and G4PolyconeSide.
                                                    
 22-Apr-2013  J.Apostolakis (geom-specific-V09-     22-Apr-2013  J.Apostolakis (geom-specific-V09-06-11)
 - Revised G4ExtrudedSolid::IsSameLine to use t     - Revised G4ExtrudedSolid::IsSameLine to use the perpendicular
   distance to a line when deciding - not the y       distance to a line when deciding - not the y-intercept difference.
   ( Issue responsible for a problem in Subtrac <<    ( Issue responsible for a problem in Subtraction Solid in Atlas.  
      Tatiana & Ivana contributed to debugging.          Tatiana & Ivana contributed to debugging. )
 - Changed GNUmakefile in test directory to wor <<  - Changed GNUmakefile in test directory to work with Cmake and granular 
   builds.                                            builds.
                                                    
 16-Apr-2013  T.Nikitina (geom-specific-V09-06-     16-Apr-2013  T.Nikitina (geom-specific-V09-06-10)
 - Fix in calculation of normal in G4Tet::Dista     - Fix in calculation of normal in G4Tet::DistanceToOut(p,v,..) and
   SurfaceNormal(p).                                  SurfaceNormal(p).
 - Fix in G4Polycone::GetPointOnCone() for case     - Fix in G4Polycone::GetPointOnCone() for cases of shape with decreasing Z.
   Fixes cases of false report for overlaps det       Fixes cases of false report for overlaps detection. Problem report #1462.
   Added check with exception in constructor fo       Added check with exception in constructor for polycone with rInner > rOuter
   for the same Z.                                    for the same Z.
                                                    
 18-Mar-2013  G.Cosmo (geom-specific-V09-06-09)     18-Mar-2013  G.Cosmo (geom-specific-V09-06-09)
 - G4TessellatedSolid: fixed problem with navig     - G4TessellatedSolid: fixed problem with navigation in tessellated solids
   with concave surfaces. Addresses problem rep       with concave surfaces. Addresses problem report #1456.
 - More cleanup from MT changes in G4VTwistSurf     - More cleanup from MT changes in G4VTwistSurface and G4Tet.
                                                    
 12-Mar-2013  G.Cosmo (geom-specific-V09-06-08)     12-Mar-2013  G.Cosmo (geom-specific-V09-06-08)
 - Added public accessors for MT data to G4Poly     - Added public accessors for MT data to G4PolyconeSide and G4PolyhedraSide.
                                                    
 11-Mar-2013  G.Cosmo (geom-specific-V09-06-07)     11-Mar-2013  G.Cosmo (geom-specific-V09-06-07)
 - Redefined G4DLL_API to G4GEOM_DLL to avoid c     - Redefined G4DLL_API to G4GEOM_DLL to avoid cases of macro redefinition.
                                                    
 08-Mar-2013  G.Cosmo (geom-specific-V09-06-06)     08-Mar-2013  G.Cosmo (geom-specific-V09-06-06)
 - Renamed G4MT macros to safer ID in G4Polycon     - Renamed G4MT macros to safer ID in G4PolyconeSide and G4PolyhedraSide.
                                                    
 07-Mar-2013  G.Cosmo (geom-specific-V09-06-05)     07-Mar-2013  G.Cosmo (geom-specific-V09-06-05)
 - Adopt G4GeomSplitter instead of G4MTTransito     - Adopt G4GeomSplitter instead of G4MTTransitory in G4PolyconeSide and
   G4PolyhedraSide. Fixed import/export of stat       G4PolyhedraSide. Fixed import/export of static symbols for WIN32 DLLs build.
                                                    
 22-Feb-2013  G.Cosmo (geom-specific-V09-06-04)     22-Feb-2013  G.Cosmo (geom-specific-V09-06-04)
 - Cleanup changes for multi-threading in G4Tet     - Cleanup changes for multi-threading in G4Tet, G4VTwistSurface,
   G4PolyconeSide and G4PolyhedraSide.                G4PolyconeSide and G4PolyhedraSide.
 - Removed unused private data member in G4Twis     - Removed unused private data member in G4TwistTrapParallelSide.
                                                    
 07-Mar-2013  G.Cosmo (geom-specific-V09-06-05)     07-Mar-2013  G.Cosmo (geom-specific-V09-06-05)
 - Adopt G4GeomSplitter instead of G4MTTransito     - Adopt G4GeomSplitter instead of G4MTTransitory in G4PolyconeSide and
   G4PolyhedraSide. Fixed import/export of stat       G4PolyhedraSide. Fixed import/export of static symbols for WIN32 DLLs build.
                                                    
 22-Feb-2013  G.Cosmo (geom-specific-V09-06-04)     22-Feb-2013  G.Cosmo (geom-specific-V09-06-04)
 - Cleanup changes for multi-threading in G4Tet     - Cleanup changes for multi-threading in G4Tet, G4VTwistSurface,
   G4PolyconeSide and G4PolyhedraSide.                G4PolyconeSide and G4PolyhedraSide.
 - Removed unused private data member in G4Twis     - Removed unused private data member in G4TwistTrapParallelSide.
                                                    
 11-Jan-2013  G.Cosmo (geom-specific-V09-06-03)     11-Jan-2013  G.Cosmo (geom-specific-V09-06-03)
 - Fixed condition in G4VTwistSurface::GetBound     - Fixed condition in G4VTwistSurface::GetBoundaryLimit() for logical error.
   Addressing problem report #1420.                   Addressing problem report #1420.
                                                    
 20-Dec-2012  M.Gayer (geom-specific-V09-06-02)     20-Dec-2012  M.Gayer (geom-specific-V09-06-02)
 - Fixed cases of hang-ups in G4ExtrudedSolid o     - Fixed cases of hang-ups in G4ExtrudedSolid on 32-bits platforms, due to
   G4TessellatedSolid and G4SurfVoxelizer, caus       G4TessellatedSolid and G4SurfVoxelizer, caused by accessing bitmask arrays
   with negative indexes. The problem was relat       with negative indexes. The problem was related to floating-point rounding,
   which can be different even on same platform       which can be different even on same platform with debug/release version.
   Assure same number of computed voxels on 32-       Assure same number of computed voxels on 32-bit/64-bit platforms.
   Fixed error in SetVertexIndex() method, whic       Fixed error in SetVertexIndex() method, which might cause problems on
   certain configurations even for 64-bit syste       certain configurations even for 64-bit systems. Fixed minor memory leaks.
 - Code cleanup for use of G4endl and tabs...       - Code cleanup for use of G4endl and tabs...
                                                    
 14-Dec-2012  G.Cosmo (geom-specific-V09-06-01)     14-Dec-2012  G.Cosmo (geom-specific-V09-06-01)
 - Restored SVN id headers.                         - Restored SVN id headers.
                                                    
 02-Dec-2012  J.Allison (geom-specific-V09-06-0     02-Dec-2012  J.Allison (geom-specific-V09-06-00)
 - Removed NURBS.                                   - Removed NURBS.
                                                    
 29-Nov-2012  G.Cosmo (geom-specific-V09-05-24)     29-Nov-2012  G.Cosmo (geom-specific-V09-05-24)
 - Remove inclusion of G4PhysicalConstants.hh f     - Remove inclusion of G4PhysicalConstants.hh from G4SurfaceVoxelizer.hh.
 - Fixed unit test for compilation errors.          - Fixed unit test for compilation errors.
                                                    
 28-Nov-2012  G.Cosmo (geom-specific-V09-05-23)     28-Nov-2012  G.Cosmo (geom-specific-V09-05-23)
 - Fixed more cases of inclusion of constants h     - Fixed more cases of inclusion of constants header.
                                                    
 23-Nov-2012  G.Cosmo (geom-specific-V09-05-22)     23-Nov-2012  G.Cosmo (geom-specific-V09-05-22)
 - Added 'const' qualifiers to signature in G4V     - Added 'const' qualifiers to signature in G4VoxelComparator::operator()
   for porting on AIX-xlC compiler.                   for porting on AIX-xlC compiler.
                                                    
 14-Nov-2012  P.Mato (geom-specific-V09-05-21)      14-Nov-2012  P.Mato (geom-specific-V09-05-21)
 - Added #undef NDEBUG in unit tests to ensure      - Added #undef NDEBUG in unit tests to ensure assert works also in
   full optimised mode.                               full optimised mode.
                                                    
 14-Nov-2012  P. Mato (geom-specific-V09-05-20)     14-Nov-2012  P. Mato (geom-specific-V09-05-20)
 - Added #undef NDEBUG in unit tests to ensure      - Added #undef NDEBUG in unit tests to ensure that assert always works
                                                    
 13-Nov-2012  M.Gayer (geom-specific-V09-05-19)     13-Nov-2012  M.Gayer (geom-specific-V09-05-19)
 - More fixes for out-of-bound array accesses i     - More fixes for out-of-bound array accesses in G4SurfaceVoxelizer.
                                                    
 12-Nov-2012  M.Gayer (geom-specific-V09-05-18)     12-Nov-2012  M.Gayer (geom-specific-V09-05-18)
 - Fixed out-of-bound array access in BuildRedu     - Fixed out-of-bound array access in BuildReduceVoxels2().
                                                    
 06-Nov-2012  G.Cosmo (geom-specific-V09-05-17)     06-Nov-2012  G.Cosmo (geom-specific-V09-05-17)
 - Correction in sources.cmake script for missi     - Correction in sources.cmake script for missing .icc file.
                                                    
 06-Nov-2012  G.Cosmo (geom-specific-V09-05-16)     06-Nov-2012  G.Cosmo (geom-specific-V09-05-16)
 - Fixed Coverity defects in new code (M.Gayer)     - Fixed Coverity defects in new code (M.Gayer).
 - Minor fixes for porting on AIX.                  - Minor fixes for porting on AIX.
                                                    
 01-Nov-2012  G.Cosmo (geom-specific-V09-05-15)     01-Nov-2012  G.Cosmo (geom-specific-V09-05-15)
 - Fixed compilation of debug code under G4SPEC     - Fixed compilation of debug code under G4SPECSDEBUG.
                                                    
 01-Nov-2012  M.Gayer (geom-specific-V09-05-14)     01-Nov-2012  M.Gayer (geom-specific-V09-05-14)
 - Corrected signature for voxels count methods     - Corrected signature for voxels count methods in G4SurfaceVoxelizer.
                                                    
 31-Oct-2012  M.Gayer (geom-specific-V09-05-13)     31-Oct-2012  M.Gayer (geom-specific-V09-05-13)
 - Added set/get methods for voxels count in G4     - Added set/get methods for voxels count in G4SurfaceVoxelizer.
                                                    
 30-Oct-2012  M.Gayer (geom-specific-V09-05-12)     30-Oct-2012  M.Gayer (geom-specific-V09-05-12)
 - Fixed indexing of vertices in facets for tes     - Fixed indexing of vertices in facets for tessellated-solid and some cleanup.
                                                    
 27-Oct-2012  G.Cosmo (geom-specific-V09-05-11)     27-Oct-2012  G.Cosmo (geom-specific-V09-05-11)
 - Fixed initialization of data in G4SurfaceVox     - Fixed initialization of data in G4SurfaceVoxelizer (M.Gayer).
 - Added post-const qualifier to G4VertextCompa     - Added post-const qualifier to G4VertextComparator::operator() in
   G4TessellatedSolid.                                G4TessellatedSolid.
 - Fixed more compilation warnings on unused va     - Fixed more compilation warnings on unused variable.
                                                    
 26-Oct-2012  G.Cosmo (geom-specific-V09-05-10)     26-Oct-2012  G.Cosmo (geom-specific-V09-05-10)
 - Corrected compilation problem on G4SurfBits      - Corrected compilation problem on G4SurfBits for use of fprint().
 - Polished comments in disclaimer in new updat     - Polished comments in disclaimer in new updated classes.
                                                    
 25-Oct-2012  G.Cosmo (geom-specific-V09-05-09)     25-Oct-2012  G.Cosmo (geom-specific-V09-05-09)
 - Corrected compilation warnings on Linux and      - Corrected compilation warnings on Linux and fixed use of memset/memcpy.
                                                    
 25-Oct-2012  G.Cosmo (geom-specific-V09-05-08)     25-Oct-2012  G.Cosmo (geom-specific-V09-05-08)
 - Correction to sources.cmake.                     - Correction to sources.cmake.
                                                    
 19-Oct-2012  M.Gayer (geom-specific-V09-05-07)     19-Oct-2012  M.Gayer (geom-specific-V09-05-07)
 - Complete rewrite of G4TessellatedSolid resul     - Complete rewrite of G4TessellatedSolid resulting in reduced memory
   requirements by 50%, and factor of tens or m       requirements by 50%, and factor of tens or more speedup for number of facets
   of the order of thousands, thanks to ad-hoc        of the order of thousands, thanks to ad-hoc voxelization of the surface.
   Factor of thousands speedup when number of f       Factor of thousands speedup when number of facets of the order of hundreds
   thousand. New classes introduced, G4SurfBits       thousand. New classes introduced, G4SurfBits and G4SurfaceVoxelizer.
                                                    
 12-Jun-2012  G.Cosmo (geom-specific-V09-05-06)     12-Jun-2012  G.Cosmo (geom-specific-V09-05-06)
 - Explicitly use inclusion of headers for syst     - Explicitly use inclusion of headers for system of units and physical
   constants, in plan to remove implicit inclus       constants, in plan to remove implicit inclusion from globals.hh.
                                                    
 14-May-2012  G.Cosmo (geom-specific-V09-05-05)     14-May-2012  G.Cosmo (geom-specific-V09-05-05)
 - Fixed spurious cases of hidden variable visi     - Fixed spurious cases of hidden variable visibility, detected with
   '-Wshadow' compilation option on gcc compile       '-Wshadow' compilation option on gcc compiler.
                                                    
 06-Apr-2012  M.Kelsey (geom-specific-V09-05-04     06-Apr-2012  M.Kelsey (geom-specific-V09-05-04)
 - Modified GetPointOnSurface() to throw sqrt(r     - Modified GetPointOnSurface() to throw sqrt(r) uniformly for disk surfaces,
   in G4Paraboloid, G4Polycone and G4TwistedTub       in G4Paraboloid, G4Polycone and G4TwistedTubs.
                                                    
 13-Dec-2011  G.Cosmo (geom-specific-V09-05-03,     13-Dec-2011  G.Cosmo (geom-specific-V09-05-03, 02, 01)
 - Fixed trivial Coverity defects in G4TwistedT     - Fixed trivial Coverity defects in G4TwistedTubs and G4VTwisteFaceted for
   missing protection against self-assignment.        missing protection against self-assignment.
                                                    
 09-Dec-2011  T.Nikitina (geom-specific-V09-05-     09-Dec-2011  T.Nikitina (geom-specific-V09-05-00)
 - Fix in G4EllipticalCone in DistanceToIn(p,v)     - Fix in G4EllipticalCone in DistanceToIn(p,v) to exclude imaginary solution
   (virtual cone) when distance is calculated.        (virtual cone) when distance is calculated.
                                                    
 10-Nov-2011  G.Cosmo (geom-specific-V09-04-09)     10-Nov-2011  G.Cosmo (geom-specific-V09-04-09)
 - Fixed trivial Coverity defects on assignment     - Fixed trivial Coverity defects on assignment operators...
                                                    
 25-Oct-2011  G.Cosmo (geom-specific-V09-04-08)     25-Oct-2011  G.Cosmo (geom-specific-V09-04-08)
 - Fixed logic in G4VTwistSurface::GetEdgeVisib     - Fixed logic in G4VTwistSurface::GetEdgeVisibility() in treatment of corners.
                                                    
 16-Sep-2011  G.Cosmo (geom-specific-V09-04-07)     16-Sep-2011  G.Cosmo (geom-specific-V09-04-07)
 - Fix compilation error in code within G4SPECS     - Fix compilation error in code within G4SPECSDEBUG. No functional changes.
                                                    
 13-Sep-2011  I.Hrivnacova (geom-specific-V09-0     13-Sep-2011  I.Hrivnacova (geom-specific-V09-04-06)
 - G4TriangularFacet: fixed tests where square      - G4TriangularFacet: fixed tests where square root was compared to
   half Cartesian tolerance; now compared to kC       half Cartesian tolerance; now compared to kCarTolerance.
   Addressing problem report #1242.                   Addressing problem report #1242.
                                                    
 25-Aug-2011  G.Cosmo                               25-Aug-2011  G.Cosmo
 - Migrated to new G4Exception scheme for warni     - Migrated to new G4Exception scheme for warnings and errors.
 - Defined scheme for warnings/errors coding:       - Defined scheme for warnings/errors coding:
   + 1xxx for warnings, 0xxx for errors.              + 1xxx for warnings, 0xxx for errors.
   Code numbering:                                    Code numbering:
   + 0001: not supported or implemented feature       + 0001: not supported or implemented features;
   + 0002: invalid setup/construct;                   + 0002: invalid setup/construct;
   + 0003: invalid run condition;                     + 0003: invalid run condition;
   + 1001: incorrect setup; automatically adapt       + 1001: incorrect setup; automatically adapted.
   + 1002: notification.                              + 1002: notification.
 - Added unit test for G4ExtrudedSolid (J.Apost     - Added unit test for G4ExtrudedSolid (J.Apostolakis).
                                                    
 22-Aug-2011  I.Hrivnacova (geom-specific-V09-0     22-Aug-2011  I.Hrivnacova (geom-specific-V09-04-05)
 - Fix in G4TriangularFacet::Intersect() to tak     - Fix in G4TriangularFacet::Intersect() to take into account geometrical
   tolerance and cases of zero distance from su       tolerance and cases of zero distance from surface's facet.
 - Fix in G4TessellatedSolid::DistanceToOut(p)      - Fix in G4TessellatedSolid::DistanceToOut(p) and DistanceToIn(p) to exactly
   compute distance from facet avoiding use of        compute distance from facet avoiding use of 'outgoing' flag shortcut variant.
 - Addressing problem report #1242.                 - Addressing problem report #1242.
                                                    
 17-Aug-2011  T.Nikitina (geom-specific-V09-04-     17-Aug-2011  T.Nikitina (geom-specific-V09-04-04)
 - Fix in G4Paraboloid::DistanceToIn(p,v) and D     - Fix in G4Paraboloid::DistanceToIn(p,v) and DistanceToIn(p) to properly
   take into account tolerance and provide bett       take into account tolerance and provide better estimation of distance
   respectively. Addresses problem report #1234       respectively. Addresses problem report #1234.
                                                    
 04-Aug-2011  T.Nikitina (geom-specific-V09-04-     04-Aug-2011  T.Nikitina (geom-specific-V09-04-03)
 - Added SetReferences() and InvertFacets() to      - Added SetReferences() and InvertFacets() to G4GenericTrap::CreatePolyhedron()
   for proper visualisation of Boolean composit       for proper visualisation of Boolean compositions with G4GenericTrap.
 - Added SetReferences() to G4TessellatedSolid:     - Added SetReferences() to G4TessellatedSolid::CreatePolyhedron()
   for proper visualisation of Boolean composit       for proper visualisation of Boolean compositions with G4TessellatedSolid.
 - Requires tag "greps-V09-04-04", for addressi     - Requires tag "greps-V09-04-04", for addressing problem report #1235.
                                                   
 17-May-2011  I.Hrivnacova (geom-specific-V09-     17-May-2011  I.Hrivnacova (geom-specific-V09-04-02)
 - G4ExtrudedSolid: fix in Inside(p) for false     - G4ExtrudedSolid: fix in Inside(p) for false overlap reporting.
   Addressing problem report #1211.                  Addressing problem report #1211.
                                                   
 12-May-2011  G.Cosmo (geom-specific-V09-04-01     12-May-2011  G.Cosmo (geom-specific-V09-04-01)
 - Fixed compilation warnings from gcc-4.6.0 f     - Fixed compilation warnings from gcc-4.6.0 for variables set but not used.
                                                   
 06-May-2011  G.Cosmo (geom-specific-V09-04-00     06-May-2011  G.Cosmo (geom-specific-V09-04-00)
 - Use G4 typedef for CLHEP types.                 - Use G4 typedef for CLHEP types.
                                                   
 26-Nov-2010  T.Nikitina (geom-specific-V09-03     26-Nov-2010  T.Nikitina (geom-specific-V09-03-20)
 - Fixes in G4GenericTrap reported by SBT unit     - Fixes in G4GenericTrap reported by SBT unit test in SurfaceNormal(),
   DistanceToPlane() and VisExtent().                DistanceToPlane() and VisExtent().
                                                   
 16-Nov-2010  T.Nikitina (geom-specific-V09-03     16-Nov-2010  T.Nikitina (geom-specific-V09-03-19)
 - G4EllipticalCone: fixes in DistanceToIn(p,v     - G4EllipticalCone: fixes in DistanceToIn(p,v) and DistanceToOut(p,v) for
   correct handling of point on the surface.         correct handling of point on the surface.
   Corrected formula for SurfaceNormal(p).           Corrected formula for SurfaceNormal(p).
                                                   
 10-Nov-2010  T.Nikitina (geom-specific-V09-03     10-Nov-2010  T.Nikitina (geom-specific-V09-03-18)
 - Added checks on crossing of vertices and to     - Added checks on crossing of vertices and too big twisted angle in
   G4GenericTrap.                                    G4GenericTrap.
 - Fixed case of division by zero in G4Twisted     - Fixed case of division by zero in G4TwistedTubs.
 - Added unit test for G4Polyhedra.                - Added unit test for G4Polyhedra.
                                                   
 02-Nov-2010  G.Cosmo (geom-specific-V09-03-17     02-Nov-2010  G.Cosmo (geom-specific-V09-03-17)
 - More fixes on Coverity reports for G4Tessel     - More fixes on Coverity reports for G4TessellatedSolid and G4ReduciblePolygon.
                                                   
 20-Oct-2010  G.Cosmo (geom-specific-V09-03-16     20-Oct-2010  G.Cosmo (geom-specific-V09-03-16)
 - Implemented Clone() virtual method for all      - Implemented Clone() virtual method for all solids, returning a pointer
   to a dynamically allocated copy of the soli       to a dynamically allocated copy of the solid. To be used by Geant4-MT.
                                                   
 23-Sep-2010  G.Cosmo (geom-specific-V09-03-15     23-Sep-2010  G.Cosmo (geom-specific-V09-03-15)
 - Initialize fpPolyhedron to zero in copy-cto     - Initialize fpPolyhedron to zero in copy-ctor and operator=().
 - Completed implementation of copy-ctor and o     - Completed implementation of copy-ctor and operator=() for facets.
                                                   
 20-Sep-2010  G.Cosmo (geom-specific-V09-03-14     20-Sep-2010  G.Cosmo (geom-specific-V09-03-14)
 - Implemented copy-constructor and assignment     - Implemented copy-constructor and assignment operator for all solids
   to facilitate conversion to Geant4-MT.            to facilitate conversion to Geant4-MT.
                                                   
 08-Sep-2010  G.Cosmo (geom-specific-V09-03-13     08-Sep-2010  G.Cosmo (geom-specific-V09-03-13)
 - Correction to previous fix in G4ReduciblePo     - Correction to previous fix in G4ReduciblePolygon to avoid deleting current
   'vertexHead' pointer.                             'vertexHead' pointer.
                                                   
 07-Sep-2010  G.Cosmo (geom-specific-V09-03-12     07-Sep-2010  G.Cosmo (geom-specific-V09-03-12)
 - Fix within G4CSGDEBUG code for restoring co     - Fix within G4CSGDEBUG code for restoring cout precision.
 - Fix in G4ReduciblePolygon::RemoveRedundantV     - Fix in G4ReduciblePolygon::RemoveRedundantVertices() to avoid potential
   case of dereferencing freed pointer.              case of dereferencing freed pointer.
                                                   
 19-Aug-2010  T.Nikitina (geom-specific-V09-03     19-Aug-2010  T.Nikitina (geom-specific-V09-03-11)
 - G4EllipticalTube: extended implementation o     - G4EllipticalTube: extended implementation of SurfaceNormal(p) in agreement
   with canonical form. Added unit test testG4       with canonical form. Added unit test testG4EllipticalTube.cc.
                                                   
 16-Jul-2010  G.Cosmo (geom-specific-V09-03-10     16-Jul-2010  G.Cosmo (geom-specific-V09-03-10)
 - Fixed cases of division by zero in G4VTwist     - Fixed cases of division by zero in G4VTwistSurface and G4TwistBoxSide.
 - Use INT_MAX as initialisation for max limit     - Use INT_MAX as initialisation for max limits in G4SolidExtentList.
                                                   
 12-Jul-2010  G.Cosmo (geom-specific-V09-03-09     12-Jul-2010  G.Cosmo (geom-specific-V09-03-09)
 - Added dummy initialization to members in st <<  - Added dummy initialization to members in struct 
   G4PolyPhiFace::G4PolyPhiFaceEdge, struct G4       G4PolyPhiFace::G4PolyPhiFaceEdge, struct G4ReduciblePolygon::ABVertex.
   G4Ellipsoid, G4EllipticalTube, G4EnclosingC       G4Ellipsoid, G4EllipticalTube, G4EnclosingCylinder, G4ExtrudedSolid, G4Hype,
   G4IntersectingCone, G4Paraboloid, G4PolyPhi       G4IntersectingCone, G4Paraboloid, G4PolyPhiFace, G4Polycone, G4PolyconeSide,
   G4Polyhedra, G4PolyhedraSide, G4Quadrangula       G4Polyhedra, G4PolyhedraSide, G4QuadrangularFacet, G4ReduciblePolygon,
   G4TessellatedSolid, G4TriangularFacet, G4Tw       G4TessellatedSolid, G4TriangularFacet, G4TwistBoxSide, G4TwistTrapAlphaSide,
   G4TwistTrapFlatSide, G4TwistTrapParallelSid       G4TwistTrapFlatSide, G4TwistTrapParallelSide, G4TwistTubsFlatSide,
   G4TwistTubsHypeSide, G4TwistTubsSide, G4Twi       G4TwistTubsHypeSide, G4TwistTubsSide, G4TwistedTubs, G4VCSGfaceted, G4VFacet,
   G4VTwistSurface, G4VTwistedFaceted.               G4VTwistSurface, G4VTwistedFaceted.
 - Fixed case of dereferencing null pointer in     - Fixed case of dereferencing null pointer in methods
   G4EllipticalTube::DistanceToOut(p,v), G4VCS       G4EllipticalTube::DistanceToOut(p,v), G4VCSGfaceted::DistanceToIn(p,v)
   and G4VCSGfaceted::DistanceToOut(p,v).            and G4VCSGfaceted::DistanceToOut(p,v).
 - Fixed unecessary object copy as argument in     - Fixed unecessary object copy as argument in method
   G4PolyhedraSide::IntersectSidePlane().            G4PolyhedraSide::IntersectSidePlane().
 - Avoid possible case of derefencing null poi     - Avoid possible case of derefencing null pointer in G4ReduciblePolygon
   RemoveDuplicateVertices() and RemoveRedunda       RemoveDuplicateVertices() and RemoveRedundantVertices() methods.
 - Replaced calls to std::abs() with std::fabs     - Replaced calls to std::abs() with std::fabs() where suitable.
                                                   
 16-Jun-2010  G.Cosmo (geom-specific-V09-03-08     16-Jun-2010  G.Cosmo (geom-specific-V09-03-08)
 - Fixed deletion of internal arrays in Create     - Fixed deletion of internal arrays in CreatePolyhedron() for G4Polycone
   and G4Polyhedra.                                  and G4Polyhedra.
                                                   
 11-Jun-2010  T.Nikitina (geom-specific-V09-03     11-Jun-2010  T.Nikitina (geom-specific-V09-03-07)
 - G4GenericTrap: fixed cases of zero dToIn/sT     - G4GenericTrap: fixed cases of zero dToIn/sToOut when vertices are collapsed
   to triangle, line or point. Added new metho       to triangle, line or point. Added new methods handling those specific cases.
 - Added unit test for G4GenericTrap.              - Added unit test for G4GenericTrap.
                                                   
 10-Jun-2010  I.Hrivnacova                         10-Jun-2010  I.Hrivnacova
 - G4GenericTrap: fixed parameter names in Cal     - G4GenericTrap: fixed parameter names in CalculateExtent() for the test
   case construction through tessellated facet       case construction through tessellated facets.
                                                   
 09-Jun-2010  G.Cosmo                              09-Jun-2010  G.Cosmo
 - G4GenericTrap: moved internal methods to pr     - G4GenericTrap: moved internal methods to private section and reordered
   in source file. Added missing implementatio       in source file. Added missing implementation for IsTwisted() method.
                                                   
 03-Jun-2010  T.Nikitina, G.Cosmo (geom-specif     03-Jun-2010  T.Nikitina, G.Cosmo (geom-specific-V09-03-06)
 - G4GenericTrap:                                  - G4GenericTrap:
   o Fixed initialization of fSurfaceArea and        o Fixed initialization of fSurfaceArea and fCubicVolume and
     calculation of surface area.                      calculation of surface area.
   o Fixed error in Inside(p) function, and co       o Fixed error in Inside(p) function, and corrected use std::fabs() instead
     of std::abs() for floating point values.          of std::abs() for floating point values.
   o Added missing initialisation of fpPolyhed       o Added missing initialisation of fpPolyhedron pointer.
   o More corrected signatures for use of non-       o More corrected signatures for use of non-const references for vectors
     passed as arguments to functions.                 passed as arguments to functions.
                                                   
 02-Jun-2010  G.Cosmo (geom-specific-V09-03-05     02-Jun-2010  G.Cosmo (geom-specific-V09-03-05)
 - G4GenericTrap: use const reference for vect     - G4GenericTrap: use const reference for vector of vertices passed as argument
   in constructor and accessor.                      in constructor and accessor.
                                                   
 27-May-2010  T.Nikitina (geom-specific-V09-03     27-May-2010  T.Nikitina (geom-specific-V09-03-04)
 - First implementation of G4GenericTrap shape     - First implementation of G4GenericTrap shape, a new solid representing an
   arbitrary trapezoid with up to 8 vertices s       arbitrary trapezoid with up to 8 vertices standing on two parallel planes
   perpendicular to the Z axis.                      perpendicular to the Z axis.
                                                   
 28-Apr-2010  P.R.Truscott (geom-specific-V09-     28-Apr-2010  P.R.Truscott (geom-specific-V09-03-03)
 - Fix in G4TriangularFacet and G4TessellatedS     - Fix in G4TriangularFacet and G4TessellatedSolid to correct treatment of
   optical photon transport related to interna       optical photon transport related to internal reflection at surface.
   Addresses problem report #1103.                   Addresses problem report #1103.
                                                   
 15-Apr-2010  I.Hrivnacova (geom-specific-V09-     15-Apr-2010  I.Hrivnacova (geom-specific-V09-03-02)
 - G4ExtrudedSolid: eliminated requirement for     - G4ExtrudedSolid: eliminated requirement for clockwise ordering of polygon
   vertices. Added a check for vertices orderi       vertices. Added a check for vertices ordering; if vertices are defined
   anti-clockwise their ordering is reverted.        anti-clockwise their ordering is reverted.
   Fix in polygon facet triangularization for        Fix in polygon facet triangularization for consequent concave vertices.
                                                   
 24-Feb-2010  G.Cosmo (geom-specific-V09-03-01     24-Feb-2010  G.Cosmo (geom-specific-V09-03-01)
 - Adopt caching of Phi in G4PolyconeSide and      - Adopt caching of Phi in G4PolyconeSide and G4PolyhedraSide to avoid
   unnecessary consecutive computations on the       unnecessary consecutive computations on the same point.
                                                   
 10-Feb-2010  G.Cosmo (geom-specific-V09-03-00     10-Feb-2010  G.Cosmo (geom-specific-V09-03-00)
 - Use kInfinity for initialising minimum and      - Use kInfinity for initialising minimum and maximum allowed extent for
   G4SolidExtentList of faceted solids.              G4SolidExtentList of faceted solids.
                                                   
 11-Nov-2009  G.Cosmo (geom-specific-V09-02-08     11-Nov-2009  G.Cosmo (geom-specific-V09-02-08)
 - Avoid fake (and redundant) assignment of va     - Avoid fake (and redundant) assignment of value to 3-vector in
   G4PolyconeSide and G4TwistTubsSide.               G4PolyconeSide and G4TwistTubsSide.
                                                   
 24-Sep-2009  T.Nikitina (geom-specific-V09-02     24-Sep-2009  T.Nikitina (geom-specific-V09-02-07)
 - G4Ellipsoid: refined fix in DistanceToIn(p,     - G4Ellipsoid: refined fix in DistanceToIn(p,v) for points located on the
   curved surface, and correct treatment of ge       curved surface, and correct treatment of geometrical tolerance.
                                                   
 09-Sep-2009  G.Cosmo (geom-specific-V09-02-06     09-Sep-2009  G.Cosmo (geom-specific-V09-02-06)
 - G4Ellipsoid: fixed usage of half-tolerances     - G4Ellipsoid: fixed usage of half-tolerances (radial and Cartesian) in
   DistanceToIn(p,v), based on incorrect assum       DistanceToIn(p,v), based on incorrect assumptions introduced in tag
   "geom-specific-V09-02-04", responsible for        "geom-specific-V09-02-04", responsible for zero steps on configurations
   with cut in Z. Addresses problem report #10       with cut in Z. Addresses problem report #1076.
                                                   
 04-Aug-2009  T.Nikitina (geom-specific-V09-02     04-Aug-2009  T.Nikitina (geom-specific-V09-02-05)
 - G4Ellipsoid:                                    - G4Ellipsoid:
   o Fixes in Inside(p) and in DistanceToIn(p,       o Fixes in Inside(p) and in DistanceToIn(p,v) for points
     located on the curved surface within tole         located on the curved surface within tolerance. Final fix for issue
     reported in problem report #1050 and conc         reported in problem report #1050 and concerning warnings reported by
     grid_test.                                        grid_test.
   o Adopt pre-computed half-tolerance values        o Adopt pre-computed half-tolerance values for optimisation.
                                                   
 23-Jul-2009  T.Nikitina (geom-specific-V09-02     23-Jul-2009  T.Nikitina (geom-specific-V09-02-04)
 - G4Ellipsoid: fix to DistanceToIn(p,v) in th     - G4Ellipsoid: fix to DistanceToIn(p,v) in the calculation of the roots of
   the quadratic equation and in DistanceToOut       the quadratic equation and in DistanceToOut(p,v) in the calculation of the
   normal on cut surfaces. Final fix for probl       normal on cut surfaces. Final fix for problem report #1022 and #1050.
 - G4PolyconeSide: added protection in method      - G4PolyconeSide: added protection in method Normal(), addressing problem
   report #1073.                                     report #1073.
                                                   
 30-Jun-2009  T.Nikitina (geom-specific-V09-02     30-Jun-2009  T.Nikitina (geom-specific-V09-02-03)
 - G4Ellipsoid: introduced to DistanceToIn(p,v     - G4Ellipsoid: introduced to DistanceToIn(p,v) splitting of the distance for
   point very far from intersection area and b       point very far from intersection area and big difference between solid
   dimensions and distance to it; resolves iss       dimensions and distance to it; resolves issue observed on 64 bits problem.
   Also addressing problem report #1022.             Also addressing problem report #1022.
                                                   
 08-May-2009, G.Cosmo (geom-specific-V09-02-02     08-May-2009, G.Cosmo (geom-specific-V09-02-02)
 - Corrected typo in base implementation of G4     - Corrected typo in base implementation of G4VCSGfaceted::GetSurfaceArea(),
   which was erroneously returning cubic volum       which was erroneously returning cubic volume estimation.
   Addresses problem report #1062.                   Addresses problem report #1062.
                                                   
 27-Apr-2009, G.Cosmo (geom-specific-V09-02-01     27-Apr-2009, G.Cosmo (geom-specific-V09-02-01)
 - Relaxed error condition in G4TessellatedSol     - Relaxed error condition in G4TessellatedSolid::Inside(p) to warning, for
   excess of max trials and anomalous conditio       excess of max trials and anomalous conditions in distance calculation.
   Added more printout information when error        Added more printout information when error condition is detected.
                                                   
 27-Feb-2009, T.Nikitina (geom-specific-V09-02     27-Feb-2009, T.Nikitina (geom-specific-V09-02-00)
 - Fix in G4Paraboloid::DistanceToOut(p,v,..)      - Fix in G4Paraboloid::DistanceToOut(p,v,..) for the computation of normal
   to surface; added missing normalisation to        to surface; added missing normalisation to unit, following remark in the
   Geometry Forum Hypernews posting #953.            Geometry Forum Hypernews posting #953.
                                                   
 21-Nov-2008, G.Cosmo (geom-specific-V09-01-19     21-Nov-2008, G.Cosmo (geom-specific-V09-01-19)
 - Added missing accessors to G4EllipticalCone     - Added missing accessors to G4EllipticalCone, required for detector
   persistency.                                      persistency.
                                                   
 13-Nov-2008, G.Cosmo (geom-specific-V09-01-18     13-Nov-2008, G.Cosmo (geom-specific-V09-01-18)
 - Corrected initialisation of algorithm in G4     - Corrected initialisation of algorithm in G4TriangularFacet constructor.
                                                   
 30-Oct-2008, I.Hrivnacova (geom-specific-V09-     30-Oct-2008, I.Hrivnacova (geom-specific-V09-01-17)
 - G4ExtrudedSolid: fixed bug in the decomposi     - G4ExtrudedSolid: fixed bug in the decomposition of polygonal sides for
   quadrangular facets in MakeFacets(). Addres       quadrangular facets in MakeFacets(). Addresses problem report #1029.
                                                   
 23-Sep-2008, T.Nikitina (geom-specific-V09-01     23-Sep-2008, T.Nikitina (geom-specific-V09-01-16)
 - Corrected algorithm in G4TriangularFacet::G     - Corrected algorithm in G4TriangularFacet::GetPointOnFace() according to
   suggestion advanced in problem report #1025       suggestion advanced in problem report #1025. Fixes a problem of false
   overlaps detection related to G4ExtrudedSol       overlaps detection related to G4ExtrudedSolid and G4TessellatedSolid.
                                                   
 12-Sep-2008, G.Cosmo (geom-specific-V09-01-15     12-Sep-2008, G.Cosmo (geom-specific-V09-01-15)
 - G4VFacet: corrected increment of indeces in     - G4VFacet: corrected increment of indeces in operator==(), following
   problem report #1024.                             problem report #1024.
                                                   
 25-Jul-2008, I.Hrivnacova (geom-specific-V09-     25-Jul-2008, I.Hrivnacova (geom-specific-V09-01-14)
 - G4ExtrudedSolid: fix in polygon decompositi     - G4ExtrudedSolid: fix in polygon decomposition; systematically use
   half kCarTolerance instead of kCarTolerance       half kCarTolerance instead of kCarTolerance; added solid name in the
   error messages coming from fatal exceptions       error messages coming from fatal exceptions.
                                                   
 16-Jul-2008, T.Nikitina (geom-specific-V09-01     16-Jul-2008, T.Nikitina (geom-specific-V09-01-13)
 - G4Paraboloid: revised DistanceToOut(p,v,...     - G4Paraboloid: revised DistanceToOut(p,v,...) in answer to problem report
   #1015. Fixed precision problem when solving       #1015. Fixed precision problem when solving quadratic equation; apply
   comparison with kCarTolerance and not with        comparison with kCarTolerance and not with zero; fixed logic problem in
   algoritm for points on surface and directio       algoritm for points on surface and direction inside, relative to directions
   along Z, (0,0,Vz).                                along Z, (0,0,Vz).
                                                   
 22-May-2008, G.Cosmo (geom-specific-V09-01-12     22-May-2008, G.Cosmo (geom-specific-V09-01-12)
 - Removed left-over debug printout in G4VCSGF     - Removed left-over debug printout in G4VCSGFaceted::DistanceToIn().
                                                   
 15-May-2008, T.Nikitina (geom-specific-V09-01     15-May-2008, T.Nikitina (geom-specific-V09-01-11)
 - Enhanced GetPointOnSurface() for generic G4     - Enhanced GetPointOnSurface() for generic G4Polycone and G4Polyhedra
   constructs; the method uses new triangulati       constructs; the method uses new triangulation algorithm for G4PolyPhiFace.
 - G4ExtrudedSolid: added missing 'std' namesp     - G4ExtrudedSolid: added missing 'std' namespace to standard mathematical
   function calls.                                   function calls.
                                                   
 28-Apr-2008, T.Nikitina (geom-specific-V09-01     28-Apr-2008, T.Nikitina (geom-specific-V09-01-10)
 - Added kCarTolerance in definition of "low"      - Added kCarTolerance in definition of "low" and "high" cone limits in R
   and in Z in order to protect against numeri       and in Z in order to protect against numerical errors. This fixes cases of
   DistanceToIn(p,v) returning 'kInfinity' whe       DistanceToIn(p,v) returning 'kInfinity' when p+t*v cross intersection
   between two cones.                                between two cones.
                                                   
 25-Apr-2008, T.Nikitina (geom-specific-V09-01     25-Apr-2008, T.Nikitina (geom-specific-V09-01-09)
 - Added protection against NaN in G4Intersect     - Added protection against NaN in G4IntersectingCone::LineHitsCone1() in
   case of configuration where a conic section       case of configuration where a conic section becomes a tube.
 - G4EllipticalCone: removed some debug printo     - G4EllipticalCone: removed some debug printouts.
                                                   
 14-Apr-2008, T.Nikitina (geom-specific-V09-01     14-Apr-2008, T.Nikitina (geom-specific-V09-01-08)
 - G4Hype: refined polyhedron representation f     - G4Hype: refined polyhedron representation for correct visualization of
   the shape. Coworks with tag "greps-V09-01-0       the shape. Coworks with tag "greps-V09-01-04".
                                                   
 13-Mar-2008, G.Cosmo (geom-specific-V09-01-07     13-Mar-2008, G.Cosmo (geom-specific-V09-01-07)
 - Cleared compilation warnings in G4Paraboloi     - Cleared compilation warnings in G4Paraboloid and G4TessellatedSolid
   on gcc-4.3.0 for ambiguous use of parenthes       on gcc-4.3.0 for ambiguous use of parentheses in condition statements.
                                                   
 28-Feb-2008, I.Hrivnacova (geom-specific-V09-     28-Feb-2008, I.Hrivnacova (geom-specific-V09-01-06)
 - Correction to previous fix in G4ExtrudedSol     - Correction to previous fix in G4ExtrudedSolid: testing on the edges has
   to be limited to the line segment, for this       to be limited to the line segment, for this purpose a new internal method
   IsSameLineSegment() has been introduced for       IsSameLineSegment() has been introduced for use instead of IsSameLine().
 - Updated and extended unit test testG4Extrud     - Updated and extended unit test testG4ExtrudedSolid.cc.
                                                   
 27-Feb-2008, I.Hrivnacova (geom-specific-V09-     27-Feb-2008, I.Hrivnacova (geom-specific-V09-01-05)
 - Fix in G4TessellatedSolid::DistanceToOut(p,     - Fix in G4TessellatedSolid::DistanceToOut(p,v,..) to compute normal only
   if specified by flag in input.                    if specified by flag in input.
 - Fix in G4ExtrudedSolid::Inside(p) for corre     - Fix in G4ExtrudedSolid::Inside(p) for correctly handling the case of
   points located on the edges of triangles wh       points located on the edges of triangles which are not the outline edges
   of the polygon.                                   of the polygon.
                                                   
 21-Feb-2008, T.Nikitina (geom-specific-V09-01     21-Feb-2008, T.Nikitina (geom-specific-V09-01-04)
 - G4Polyhedra: fixed problem of out-of-bound      - G4Polyhedra: fixed problem of out-of-bound access to vectors in
   GetPointOnSurface().                              GetPointOnSurface().
                                                   
 20-Feb-2008, I.Hrivnacova (geom-specific-V09-     20-Feb-2008, I.Hrivnacova (geom-specific-V09-01-03)
 - G4TessellatedSolid: fixed bug in copy-const     - G4TessellatedSolid: fixed bug in copy-constructor and internal method
   CopyObjects() for cloning of facets.              CopyObjects() for cloning of facets.
                                                   
 05-Feb-2008, I.Hrivnacova (geom-specific-V09-     05-Feb-2008, I.Hrivnacova (geom-specific-V09-01-02)
 - G4ExtrudedSolid: bug fix in MakeFacets() to     - G4ExtrudedSolid: bug fix in MakeFacets() to fill 'fTriangles' also in case
   of polygon with 3 or 4 vertices, as they ar       of polygon with 3 or 4 vertices, as they are needed for Inside(p).
                                                   
 02-Feb-2008, I.Hrivnacova (geom-specific-V09-     02-Feb-2008, I.Hrivnacova (geom-specific-V09-01-01)
 - Corrected triangularization of polygon, now     - Corrected triangularization of polygon, now correctly handling case
   of concave shapes.                                of concave shapes.
 - Corrected order of arguments in G4Paraboloi <<  - Corrected order of arguments in G4Paraboloid constructor.  
                                                   
 16-Jan-2008, I.Hrivnacova (geom-specific-V09-     16-Jan-2008, I.Hrivnacova (geom-specific-V09-01-00)
 - In G4ExtrudedSolid::MakeFacets(), now addin     - In G4ExtrudedSolid::MakeFacets(), now adding triangular facets before quadrangular
   ones, following logic behind G4TessellatedS       ones, following logic behind G4TessellatedSolid.
                                                   
 12-Dec-2007, G.Cosmo (geom-specific-V09-00-08     12-Dec-2007, G.Cosmo (geom-specific-V09-00-08a)
 - Remove use of global static constant from s     - Remove use of global static constant from singleton initialisation in
   G4TessellatedGeometryAlgorithms class. Use        G4TessellatedGeometryAlgorithms class. Use 'sqrEpsilon' as local value.
                                                   
 15-Nov-2007, P.Truscott (geom-specific-V09-00     15-Nov-2007, P.Truscott (geom-specific-V09-00-08)
 - Reviewed implementation of G4TessellatedSol     - Reviewed implementation of G4TessellatedSolid::CalculateExtent() to
   make it more robust and precise, following        make it more robust and precise, following suggestion by S.Seibert
   addressed in problem report #983, now fixed       addressed in problem report #983, now fixed.
                                                   
 12-Oct-2007, G.Cosmo (geom-specific-V09-00-07     12-Oct-2007, G.Cosmo (geom-specific-V09-00-07)
 - Corrected wrong boolean condition in method     - Corrected wrong boolean condition in method IntersectLineAndTriangle2D()
   of G4TessellatedGeometryAlgorithms causing        of G4TessellatedGeometryAlgorithms causing compilation error on VC++8.
                                                   
 09-Oct-2007, G.Cosmo (geom-specific-V09-00-06     09-Oct-2007, G.Cosmo (geom-specific-V09-00-06)
 - Reviewed G4TessellatedSolid classes in orde     - Reviewed G4TessellatedSolid classes in order not to make use of random
   numbers for selection of direction (by P.Tr       numbers for selection of direction (by P.Truscott).
                                                   
 02-Oct-2007, G.Cosmo                              02-Oct-2007, G.Cosmo
 - Removed debug printout in G4Polycone::GetPo     - Removed debug printout in G4Polycone::GetPointOnCone().
                                                   
 23-Aug-2007, G.Cosmo (geom-specific-V09-00-05     23-Aug-2007, G.Cosmo (geom-specific-V09-00-05)
 - Revision of G4TessellatedSolid classes:         - Revision of G4TessellatedSolid classes:
   o Fixed problem report #931 by P.Truscott,        o Fixed problem report #931 by P.Truscott, based on suggestion of
     R.Holmberg. Modified classes G4Tessellate         R.Holmberg. Modified classes G4TessellatedSolid and G4TriangularFacet.
   o Modified data and accessor 'centroid' and       o Modified data and accessor 'centroid' and 'GetCentroid()' for G4VFacet;
     replaced by 'circumcentre' and 'GetCircum         replaced by 'circumcentre' and 'GetCircumcentre()' respectively.
   o Added utility class G4TessellatedGeometry       o Added utility class G4TessellatedGeometryAlgorithms.
 - Added formulas for calculating SemiAxis and     - Added formulas for calculating SemiAxis and Zheight in G4EllipticalCone
   (by T.Nikitina).                                  (by T.Nikitina).
                                                   
 20-Aug-2007, T.Nikitina & L.Lindroos (geom-sp     20-Aug-2007, T.Nikitina & L.Lindroos (geom-specific-V09-00-04)
 - Revision of G4EllipticalCone:                   - Revision of G4EllipticalCone:
   o DistanceToIn(p): corrected answer for p.z       o DistanceToIn(p): corrected answer for p.z()<-zTopCut and for the point
     p on the surface.                                 p on the surface.
   o DistanceToOut(p,v): now returning positiv       o DistanceToOut(p,v): now returning positive solution or zero when crossing
     the elliptical surface.                           the elliptical surface.
   o Fix in DistanceToOut(p) which was giving  <<    o Fix in DistanceToOut(p) which was giving always zero. 
   o Corrected visualisation error of solid in       o Corrected visualisation error of solid in graphics_reps.
   o Added some formulas on how to pre-calcula       o Added some formulas on how to pre-calculate 'SemiAxis' and 'zheight'.
   o Added checkDistanceToOut() method to unit       o Added checkDistanceToOut() method to unit test.
 - Corrections to G4Paraboloid:                    - Corrections to G4Paraboloid:
   o Fixed bug in CalculateSurfaceArea() metho       o Fixed bug in CalculateSurfaceArea() method
   o Added correct initialisation of 'fPolyhed       o Added correct initialisation of 'fPolyhedron' in constructor.
   o Added unit test testG4Paraboloid.               o Added unit test testG4Paraboloid.
                                                   
 13-Aug-2007, W.Pokorski (geom-specific-V09-00     13-Aug-2007, W.Pokorski (geom-specific-V09-00-03)
 - G4PolyconeSide: added workaround to initial     - G4PolyconeSide: added workaround to initialisation of 'corners' vector,
   to allow for object persistency with Root-I       to allow for object persistency with Root-I/O (W.Pokorski).
                                                   
 18-Jul-2007, G.Cosmo (geom-specific-V09-00-02     18-Jul-2007, G.Cosmo (geom-specific-V09-00-02)
 - New specific G4Paraboloid with cuts along t     - New specific G4Paraboloid with cuts along the Z axis (by L.Lindroos).
 - Fixed dummy constructors of G4Polycone and      - Fixed dummy constructors of G4Polycone and G4PolyPhiFace for initialisation
   of 'edges' and 'corners'.                         of 'edges' and 'corners'.
 - Coworks with tag "greps-V09-00-01".             - Coworks with tag "greps-V09-00-01".
                                                   
 12-Jul-2007, T.Nikitina (geom-specific-V09-00     12-Jul-2007, T.Nikitina (geom-specific-V09-00-01)
 - Fix in G4Polyhedra::GetPointOnSurface() to      - Fix in G4Polyhedra::GetPointOnSurface() to correctly treat 'totalPhi' instead of
   'endPhi' for the case of open shapes and 't       'endPhi' for the case of open shapes and 'twopi' for not open shapes.
                                                   
 05-Jul-2007, T.Nikitina (geom-specific-V09-00     05-Jul-2007, T.Nikitina (geom-specific-V09-00-00)
 - Fix in G4Polyhedra::GetPointOnSurface() for     - Fix in G4Polyhedra::GetPointOnSurface() for the case when number of sectors
   (numSide) is equal to 1. At the origin of p       (numSide) is equal to 1. At the origin of problems observed when checking
   overlaps for polyhedra solids defined as su       overlaps for polyhedra solids defined as such.
                                                   
 31-May-2007, G.Cosmo (geom-specific-V08-03-03     31-May-2007, G.Cosmo (geom-specific-V08-03-03)
 - Fixed initialisation of constants in constr     - Fixed initialisation of constants in constructor for - G4VTwistSurface,
   G4PolyPhiFace, G4PolyconeSide, G4PolyhedraS       G4PolyPhiFace, G4PolyconeSide, G4PolyhedraSide - following latest changes
   for tunable tolerance.                            for tunable tolerance.
                                                   
 25-May-2007, G.Cosmo (geom-specific-V08-03-02     25-May-2007, G.Cosmo (geom-specific-V08-03-02)
 - Fixed default response of DistToIn/DistToOu     - Fixed default response of DistToIn/DistToOut for twisted solids.
 - Use G4TWISTDEBUG instead of G4SPECSDEBUG as     - Use G4TWISTDEBUG instead of G4SPECSDEBUG as debug conditional flag
   for twisted solids.                               for twisted solids.
 - Some cleanup in G4TwistTrapAlphaSide code.      - Some cleanup in G4TwistTrapAlphaSide code.
                                                   
 18-May-2007, G.Cosmo (geom-specific-V08-03-01     18-May-2007, G.Cosmo (geom-specific-V08-03-01)
 - Use kAngTolerance and kRadTolerance from G4     - Use kAngTolerance and kRadTolerance from G4GeometryTolerance class.
 - Coworks with tag "global-V08-03-03".            - Coworks with tag "global-V08-03-03".
                                                   
 11-May-2007, T.Nikitina (geom-specific-V08-03     11-May-2007, T.Nikitina (geom-specific-V08-03-00)
 - Use call to G4GeometryTolerance instead of      - Use call to G4GeometryTolerance instead of kCarTolerance where needed.
 - Requires tag "global-V08-03-00" and related     - Requires tag "global-V08-03-00" and related tag set.
                                                   
 26-Apr-2007, T.Nikitina (geom-specific-V08-02     26-Apr-2007, T.Nikitina (geom-specific-V08-02-05)
 - Fix in GetPointOnSurface() for G4Polycone t     - Fix in GetPointOnSurface() for G4Polycone to consider also points laying
   on rings when consecutive Z-sections are co       on rings when consecutive Z-sections are coincident.
   Added method GetPointOnRing().                    Added method GetPointOnRing().
 - Added unit test testPointOnSurfacePoly.cc.      - Added unit test testPointOnSurfacePoly.cc.
                                                   
 27-Feb-2007, I.Hrivnacova (geom-specific-V08-     27-Feb-2007, I.Hrivnacova (geom-specific-V08-02-04)
 - Added specialised constructor for handling      - Added specialised constructor for handling Z-sections in G4ExtrudedSolid.
 - Cleared unecessary declaration of IsInside(     - Cleared unecessary declaration of IsInside() methods in G4TriangularFacet
   and G4QuadrangularFacet.                          and G4QuadrangularFacet.
 - Updated unit test for G4ExtrudedSolid.          - Updated unit test for G4ExtrudedSolid.
                                                   
 26-Feb-2007, I.Hrivnacova (geom-specific-V08-     26-Feb-2007, I.Hrivnacova (geom-specific-V08-02-04)
 - Added specialised constructor for handling      - Added specialised constructor for handling Z-sections in G4ExtrudedSolid.
 - Cleared unecessary declaration of IsInside(     - Cleared unecessary declaration of IsInside() methods in G4TriangularFacet
   and G4QuadrangularFacet.                          and G4QuadrangularFacet.
 - Updated unit test for G4ExtrudedSolid.          - Updated unit test for G4ExtrudedSolid.
                                                   
 15-Feb-2007, I.Hrivnacova (geom-specific-V08-     15-Feb-2007, I.Hrivnacova (geom-specific-V08-02-03)
 - Corrected caching of values in G4ExtrudedSo     - Corrected caching of values in G4ExtrudedSolid.
 - Bug fix in G4TriangularFacet::Intersect() t     - Bug fix in G4TriangularFacet::Intersect() to allow for correct update of
   'Distance' in condition.                          'Distance' in condition.
 - Updated unit test for G4ExtrudedSolid.          - Updated unit test for G4ExtrudedSolid.
                                                   
 09-Feb-2007, G.Cosmo (geom-specific-V08-02-02     09-Feb-2007, G.Cosmo (geom-specific-V08-02-02)
 - Introduced new shape G4ExtrudedSolid, a sol     - Introduced new shape G4ExtrudedSolid, a solid representing the extrusion
   of an arbitrary polygon with fixed outline        of an arbitrary polygon with fixed outline in the two Z sections.
   New files: G4ExtrudedSolid[.hh.icc.cc] and        New files: G4ExtrudedSolid[.hh.icc.cc] and testG4ExtrudedSolid.cc
   by I.Hrivnacova.                                  by I.Hrivnacova.
 - G4TessellatedSolid:                             - G4TessellatedSolid:
   o Made relevant solid's methods virtual, to       o Made relevant solid's methods virtual, to be used as base class.
   o Added implementation for GetSurfaceArea()       o Added implementation for GetSurfaceArea() and GetPointOnSurface() methods.
   o Added protection in SurfaceNormal() metho       o Added protection in SurfaceNormal() method in case of facet not found.
   o Check and return kOutside in Inside() if        o Check and return kOutside in Inside() if point out of solid's extent.
                                                   
 01-Feb-2007, G.Cosmo (geom-specific-V08-02-01     01-Feb-2007, G.Cosmo (geom-specific-V08-02-01)
 - Fix in G4PolyconeSide::DistanceAway() for c     - Fix in G4PolyconeSide::DistanceAway() for correct estimation of distance
   for the case of Phi sections (T.Nikitina).        for the case of Phi sections (T.Nikitina).
   Addresses problem report #598.                    Addresses problem report #598.
 - Updated unit test for G4Polycone to conside     - Updated unit test for G4Polycone to consider new test case.
                                                   
 22-Jan-2007, G.Cosmo (geom-specific-V08-02-00     22-Jan-2007, G.Cosmo (geom-specific-V08-02-00)
 - Do not scale reducible-polygon in G4Polyhed     - Do not scale reducible-polygon in G4Polyhedra::Reset() method.
   The 'original_parameters' structure offered       The 'original_parameters' structure offered as input through the accessors
   are always assumed to be already scaled by        are always assumed to be already scaled by the 'cos(0.5*phiTotal/theNumSide)'
   factor. Addresses problem report #873.            factor. Addresses problem report #873.
 - Fixed warning printout in G4Polycone::Reset     - Fixed warning printout in G4Polycone::Reset().
                                                   
 15-Nov-2006, J.Allison (geom-specific-V08-01-     15-Nov-2006, J.Allison (geom-specific-V08-01-04)
 - Fixed typo in G4Polycone::CreatePolyhedron(     - Fixed typo in G4Polycone::CreatePolyhedron() introduced by mistake in
   the last cleanup of the source code.              the last cleanup of the source code.
                                                   
 13-Nov-2006, G.Cosmo (geom-specific-V08-01-03     13-Nov-2006, G.Cosmo (geom-specific-V08-01-03)
 - Added concrete implementation of GetSurface     - Added concrete implementation of GetSurfaceArea() in G4Tet (M.H.Mendenhall).
                                                   
 08-Nov-2006, G.Cosmo (geom-specific-V08-01-02     08-Nov-2006, G.Cosmo (geom-specific-V08-01-02)
 - Cleared compilation warnings on SUN-CC for      - Cleared compilation warnings on SUN-CC for changes in the last tag.
   Fixed overloaded class variables in G4Polyh       Fixed overloaded class variables in G4Polyhedra and G4Polycone
   implementation of CreatePolyhedron().             implementation of CreatePolyhedron().
                                                   
 31-Oct-2006, J.Allison (geom-specific-V08-01-     31-Oct-2006, J.Allison (geom-specific-V08-01-01)
 - Implemented CreatePolyhedron() for G4Polyhe     - Implemented CreatePolyhedron() for G4Polyhedra and G4Polycone.
                                                   
 20-Oct-2006, G.Cosmo (geom-specific-V08-01-00     20-Oct-2006, G.Cosmo (geom-specific-V08-01-00)
 - Implemented caching mechanism for computati     - Implemented caching mechanism for computation of surface area in
   all solids and base classes, as done for th       all solids and base classes, as done for the geometrical volume
   computation.                                      computation.
 - Added missing fake constructor for object p     - Added missing fake constructor for object persistency to G4TessellatedSolid.
                                                   
 20-Jun-2006, G.Cosmo (geom-specific-V08-00-10     20-Jun-2006, G.Cosmo (geom-specific-V08-00-10)
 - Added accessor method GetVertices() in G4Te     - Added accessor method GetVertices() in G4Tet to return the list of
   vertices composing the solid. Required for        vertices composing the solid. Required for GDML persistency.
                                                   
 06-Jun-2006, G.Cosmo (geom-specific-V08-00-09     06-Jun-2006, G.Cosmo (geom-specific-V08-00-09)
 - Added protection against NaNs in G4Polycone     - Added protection against NaNs in G4PolyconeSide::Normal() for points at
   the origin.                                       the origin.
                                                   
 19-May-2006, G.Cosmo (geom-specific-V08-00-08     19-May-2006, G.Cosmo (geom-specific-V08-00-08)
 - Fix in G4Ellipsoid::SetZCuts() and G4Ellipt     - Fix in G4Ellipsoid::SetZCuts() and G4EllipticalTube::SetZCut() for usage
   of uninitialised variables.                       of uninitialised variables.
                                                   
 08-May-2006, G.Cosmo (geom-specific-V08-00-07     08-May-2006, G.Cosmo (geom-specific-V08-00-07)
 - Cleared compilation warning on SUN-CC in G4     - Cleared compilation warning on SUN-CC in G4TriangularFacet.cc.
                                                   
 04-May-2006, G.Cosmo (geom-specific-V08-00-06     04-May-2006, G.Cosmo (geom-specific-V08-00-06)
 - Use different names for unit tests to avoid     - Use different names for unit tests to avoid confusing liblist ...
                                                   
 03-May-2006, G.Cosmo (geom-specific-V08-00-05     03-May-2006, G.Cosmo (geom-specific-V08-00-05)
 - Added four unit tests for G4TessellatedSoli     - Added four unit tests for G4TessellatedSolid.
                                                   
 24-Mar-2006, G.Cosmo (geom-specific-V08-00-04     24-Mar-2006, G.Cosmo (geom-specific-V08-00-04)
 - G4TwistedTubs: defined exact estimation for     - G4TwistedTubs: defined exact estimation for GetCubicVolume(),
   similar to the one adopted for G4Tubs.            similar to the one adopted for G4Tubs.
                                                   
 03-Mar-2006, G.Cosmo (geom-specific-V08-00-03     03-Mar-2006, G.Cosmo (geom-specific-V08-00-03)
 - Corrected boolean condition in G4Triangular     - Corrected boolean condition in G4TriangularFacet::Intersect().
   Use '&&' operator in condition. Allows for        Use '&&' operator in condition. Allows for porting on WIN32-VC.
                                                   
 01-Mar-2006, G.Cosmo (geom-specific-V08-00-02     01-Mar-2006, G.Cosmo (geom-specific-V08-00-02)
 - Introducing first implementation of a tesse     - Introducing first implementation of a tessellated solid, contribution
   of P.R.Truscott (QinetiQ Ltd, UK).                of P.R.Truscott (QinetiQ Ltd, UK).
   New classes: G4QuadrangularFacet, G4Tessell       New classes: G4QuadrangularFacet, G4TessellatedSolid, G4TriangularFacet
   and G4VFacet.                                     and G4VFacet.
 - Requires tag "greps-V08-00-00".                 - Requires tag "greps-V08-00-00".
                                                   
 12-Jan-2006, J.Allison (geom-specific-V08-00-     12-Jan-2006, J.Allison (geom-specific-V08-00-01)
 - G4TwistedTubs and G4VTwistedFaceted::Create     - G4TwistedTubs and G4VTwistedFaceted::CreatePolyhedron():
   parameterised polyhedron mesh approximation       parameterised polyhedron mesh approximation in terms of
   G4Polyhedron::GetNumberOfRotationSteps().         G4Polyhedron::GetNumberOfRotationSteps().
   This is (a) more economical and (b) amenabl       This is (a) more economical and (b) amenable to user control.
                                                   
 19-Dec-2005, O.Link (geom-specific-V08-00-00)     19-Dec-2005, O.Link (geom-specific-V08-00-00)
 - Fixes in G4EllipticalCone:                      - Fixes in G4EllipticalCone:
   o Changed GetPointOnSurface(), which was no       o Changed GetPointOnSurface(), which was not uniform in endcaps.
   o Bug fix in Inside(), which was not correc       o Bug fix in Inside(), which was not correct for the elliptic mantel.
     Made test similar as in G4EllipticTube.           Made test similar as in G4EllipticTube.
   o Several fixes in DistanceToIn/Out(): for        o Several fixes in DistanceToIn/Out(): for looping events (shortest
     distance was taken, even if 0); now compa         distance was taken, even if 0); now comparing the distance to the endcap
     and to the mantel and decide afterwards w         and to the mantel and decide afterwards which distance is shortest;
     added check n*v.                                  added check n*v.
   o The code is now "good" at 90%. Still 10%        o The code is now "good" at 90%. Still 10% wrong reconstructed events.
     e.g there is a problem is DistanceToOut()         e.g there is a problem is DistanceToOut(): missed the intersection
     (reconstruction took the encap instead of         (reconstruction took the encap instead of the mantel).
                                                   
 09-Dec-2005, O.Link                               09-Dec-2005, O.Link
 - Fixed visibility of soft edges on the twist     - Fixed visibility of soft edges on the twisted solids.
                                                   
 08-Dec-2005, O.Link (geom-specific-V07-01-14)     08-Dec-2005, O.Link (geom-specific-V07-01-14)
 - Fixed bug in G4VTwistSurface::ComputeLocalP     - Fixed bug in G4VTwistSurface::ComputeLocalPoint(p) for point coordinate
   transformation. The bug affected only G4Twi       transformation. The bug affected only G4TwistTrapFlatSide.
                                                   
 06-Dec-2005, G.Cosmo (geom-specific-V07-01-13     06-Dec-2005, G.Cosmo (geom-specific-V07-01-13)
 - Fixed compilation errors on WIN32-VC for la     - Fixed compilation errors on WIN32-VC for last tag changes.
                                                   
 05-Dec-2005, O.Link (geom-specific-V07-01-12)     05-Dec-2005, O.Link (geom-specific-V07-01-12)
 - Added polyhedron definition for twisted sol     - Added polyhedron definition for twisted solids (G4TwistedTrap,
   G4TwistedTrd, G4TwistedBox, G4TwistedTubs)        G4TwistedTrd, G4TwistedBox, G4TwistedTubs) for visualization.
                                                   
 30-Nov-2005, G.Cosmo (geom-specific-V07-01-11     30-Nov-2005, G.Cosmo (geom-specific-V07-01-11)
 - Trivial fixes for porting on CLHEP-2.0.X se     - Trivial fixes for porting on CLHEP-2.0.X series.
                                                   
 18-Nov-2005, O.Link (geom-specific-V07-01-10)     18-Nov-2005, O.Link (geom-specific-V07-01-10)
 - Renamed classes for twisted solids set, to      - Renamed classes for twisted solids set, to identify them in the
   twisted framework.                                twisted framework.
                                                   
 17-Nov-2005, O.Link                               17-Nov-2005, O.Link
 - G4VTwistedFacted:                               - G4VTwistedFacted:
   o corrected bug in DistanceToSurface() impl       o corrected bug in DistanceToSurface() implementation
   o added GetPointOnSurface() method                o added GetPointOnSurface() method
 - G4TwistedTubs:                                  - G4TwistedTubs:
   o added GetPointOnSurface() method                o added GetPointOnSurface() method
 - G4Hype:                                         - G4Hype:
   o corrected surface area calculation used i       o corrected surface area calculation used in GetPointOnSurface()
                                               <<    
 17-Nov-2005, G.Cosmo (geom-specific-V07-01-09     17-Nov-2005, G.Cosmo (geom-specific-V07-01-09)
 - More fixes required for direct object persi     - More fixes required for direct object persistency to G4Polycone,
   G4polyhedra and related utility classes.          G4polyhedra and related utility classes.
                                                   
 10-Nov-2005, J.Allison (geom-specific-V07-01-     10-Nov-2005, J.Allison (geom-specific-V07-01-08)
 - G4Tet:                                          - G4Tet:
   o Added implementation for GetPolyhedron()        o Added implementation for GetPolyhedron() and GetCubicVolume().
   o Corrected order of specifying vertices in       o Corrected order of specifying vertices in CreatePolyhedron().
                                                   
 09-Nov-2005, G.Cosmo (geom-specific-V07-01-07     09-Nov-2005, G.Cosmo (geom-specific-V07-01-07)
 - Added fake default constructor for all conc     - Added fake default constructor for all concrete solids and relevant
   utility classes, for usage of direct object       utility classes, for usage of direct object persistency.
 - Implemented changes to support CLHEP-2.0.X      - Implemented changes to support CLHEP-2.0.X for explicit usage of the
   CLHEP/HepGeom namespaces for CLHEP types.         CLHEP/HepGeom namespaces for CLHEP types.
                                                   
 07-Nov-2005, G.Cosmo (geom-specific-V07-01-06     07-Nov-2005, G.Cosmo (geom-specific-V07-01-06)
 - G4Ellipsoid: replaced call to hypot(x,y) wi     - G4Ellipsoid: replaced call to hypot(x,y) with std::sqrt(x*x+y*y)
   for porting to ISO standard.                      for porting to ISO standard.
                                                   
 02-Nov-2005, G.Cosmo (geom-specific-V07-01-05     02-Nov-2005, G.Cosmo (geom-specific-V07-01-05)
 - G4Polyhedra, G4Polycone:                        - G4Polyhedra, G4Polycone:
   o Protected case of generic construct for v       o Protected case of generic construct for visualization.
   o Introduced explicit flag and method IsGen       o Introduced explicit flag and method IsGeneric() to identify the kind
     of constructor used.                              of constructor used.
                                                   
 29-Sep-2005, G.Cosmo (geom-specific-V07-01-04     29-Sep-2005, G.Cosmo (geom-specific-V07-01-04)
 - Fix in G4EllipticalCone methods DistanceToI     - Fix in G4EllipticalCone methods DistanceToIn() and DistanceToOut().
   Added unit test for it (by D.Anninos).            Added unit test for it (by D.Anninos).
 - Coworks with tag "greps-V07-01-02".             - Coworks with tag "greps-V07-01-02".
                                                   
 10-Aug-2005, G.Cosmo (geom-specific-V07-01-03     10-Aug-2005, G.Cosmo (geom-specific-V07-01-03)
 - Introduced new solid G4EllipticalCone, a fu     - Introduced new solid G4EllipticalCone, a full cone with elliptical base
   that can be cut in Z (by D.Anninos).              that can be cut in Z (by D.Anninos).
   Coworks with tag "greps-V07-01-02".               Coworks with tag "greps-V07-01-02".
                                                   
 08-Aug-2005, D.Anninos (geom-specific-V07-01-     08-Aug-2005, D.Anninos (geom-specific-V07-01-02)
 - Added GetPointOnSurface() for all solids ex     - Added GetPointOnSurface() for all solids except twisted ones.
   The method returns a random point according       The method returns a random point according to a quasi-uniform
   distribution along the surface.                   distribution along the surface.
                                                   
 18-Jul-2005, G.Cosmo (geom-specific-V07-01-01     18-Jul-2005, G.Cosmo (geom-specific-V07-01-01)
 - Fixed compilation warning on WIN32-VC for G     - Fixed compilation warning on WIN32-VC for G4VSurface.cc.
 - Not including G4Tet.                            - Not including G4Tet.
                                                   
 06-Jul-2005, G.Cosmo (geom-specific-V07-01-00     06-Jul-2005, G.Cosmo (geom-specific-V07-01-00)
 - Added new shape G4Ellipsoid. Coworks with t     - Added new shape G4Ellipsoid. Coworks with tag "greps-V07-01-00".
   Contribution of G.Horton-Smith and G.Guerri       Contribution of G.Horton-Smith and G.Guerrieri.
   Code cleanup, and added default arguments f       Code cleanup, and added default arguments for cuts, added first
   implementation of unit test.                      implementation of unit test.
 - Corrected unit tests for twisted-box/trap.      - Corrected unit tests for twisted-box/trap.
 - Not including G4Tet.                            - Not including G4Tet.
                                                   
 15-Jun-2005, J.Apostolakis                        15-Jun-2005, J.Apostolakis
 - Introduced new solid G4Tet, contribution of     - Introduced new solid G4Tet, contribution of M.H.Mendenhall
   and R.A.Weller, Vanderbilt University, USA.       and R.A.Weller, Vanderbilt University, USA.
                                                   
 29-Apr-2005, O.Link (geom-specific-V07-00-04)     29-Apr-2005, O.Link (geom-specific-V07-00-04)
 - G4TwistedSurface: fixed bug in GetAreaCode(     - G4TwistedSurface: fixed bug in GetAreaCode() affecting G4TwistedTubs.
                                                   
 04-Apr-2005, G.Cosmo (geom-specific-V07-00-03     04-Apr-2005, G.Cosmo (geom-specific-V07-00-03)
 - Added test for Number-Of-Rotation-Steps in      - Added test for Number-Of-Rotation-Steps in GetPolyhedron() for
   G4VCSGfaceted, G4Hype and G4EllipticalTube        G4VCSGfaceted, G4Hype and G4EllipticalTube (by J.Allison).
   Requires tag "greps-V07-00-02".                   Requires tag "greps-V07-00-02".
 - Added elementary implementation of CreatePo     - Added elementary implementation of CreatePolyhedron() for G4Hype,
   G4TwistedBox, G4TwistedTubs, G4TwistedTrd,        G4TwistedBox, G4TwistedTubs, G4TwistedTrd, G4TwistedTrap.
 - Some code cleanup.                              - Some code cleanup.
                                                   
 18-Mar-2005, O.Link (geom-specific-V07-00-02)     18-Mar-2005, O.Link (geom-specific-V07-00-02)
 - New generic framework for twisted solids G4     - New generic framework for twisted solids G4TwistedBox, G4TwistedTrd and
   G4TwistedTrap: inheriting now from the base       G4TwistedTrap: inheriting now from the base class G4VTwistedFaceted.
 - Extended G4TwistedTrap to support setups wi     - Extended G4TwistedTrap to support setups with different trapezoidal
   endcaps with centres not necessarily on a l       endcaps with centres not necessarily on a line parallel to the z axis.
 - Added G4TwistedTrd and general G4TwistedTra     - Added G4TwistedTrd and general G4TwistedTrap as test cases in test.
                                                   
 03-Mar-2005, J.Allison                            03-Mar-2005, J.Allison
 - Changed AddThis() to AddSolid() for all sol     - Changed AddThis() to AddSolid() for all solids in the implementation
   of DescribeYourselfTo(G4VGraphicsScene&).         of DescribeYourselfTo(G4VGraphicsScene&).
                                                   
 01-Mar-2005, O.Link (geom-specific-V07-00-01)     01-Mar-2005, O.Link (geom-specific-V07-00-01)
 - Fixed compilation warnings on WIN32-VC for      - Fixed compilation warnings on WIN32-VC for G4VSurface.cc.
                                                   
 14-Feb-2005, O.Link (geom-specific-V07-00-00)     14-Feb-2005, O.Link (geom-specific-V07-00-00)
 - Use new polynom approximations based on new     - Use new polynom approximations based on new solver based on Jenkins-Traub
   algorithm, for twisted-box and twisted-trap       algorithm, for twisted-box and twisted-trap.
 - Fixed bug in the usage of 'fmod' and adopt      - Fixed bug in the usage of 'fmod' and adopt special treatment for 'parallel'
   events in G4TwistedBoxSide and G4TwistedTra       events in G4TwistedBoxSide and G4TwistedTrapSide.
 - Coworks with tag "global-V07-00-00".            - Coworks with tag "global-V07-00-00".
                                                   
 08-Dec-2004, O.Link (geom-specific-V06-02-07)     08-Dec-2004, O.Link (geom-specific-V06-02-07)
 - Extensions to twisted box/trap shapes to co     - Extensions to twisted box/trap shapes to consider all 4 solutions
   for determining correct intersections.            for determining correct intersections.
                                                   
 29-Nov-2004, O.Link (geom-specific-V06-02-06)     29-Nov-2004, O.Link (geom-specific-V06-02-06)
 - G4TwistedTrapSide, G4TwistedBoxSide: improv     - G4TwistedTrapSide, G4TwistedBoxSide: improved (analytical) version
   of GetPhiUAtX() method.                           of GetPhiUAtX() method.
                                                   
 24-Nov-2004, O.Link (geom-specific-V06-02-05)     24-Nov-2004, O.Link (geom-specific-V06-02-05)
 - Fixed bug in description of twisted trapezo     - Fixed bug in description of twisted trapezoid side.
                                                   
 12-Nov-2004, O.Link (geom-specific-V06-02-04)     12-Nov-2004, O.Link (geom-specific-V06-02-04)
 - Added G4TwistedBox  - a twisted box with tw     - Added G4TwistedBox  - a twisted box with twist angle alpha,
                         length a/2,b/2,L/2.                               length a/2,b/2,L/2.
 - Added G4TwistedTrap - a twisted trapezoid (     - Added G4TwistedTrap - a twisted trapezoid (still in debug state)
 - Changed in G4VSurface.icc:                  <<  - Changed in G4VSurface.icc: 
     - GetNeighbours(): corrected axiscode (wa         - GetNeighbours(): corrected axiscode (was returning the wrong neighbours)
     - SetNeighbours(): fixed problem #685 (in         - SetNeighbours(): fixed problem #685 (index out of range)
 - Added tests for G4TwistedBox and G4TwistedT     - Added tests for G4TwistedBox and G4TwistedTrap in specific/test.
 - Added G4TwistedBox and G4TwistedTrap in sys     - Added G4TwistedBox and G4TwistedTrap in system testing, test10.
                                                   
 22-Oct-2004, D.C.Williams (geom-specific-V06-     22-Oct-2004, D.C.Williams (geom-specific-V06-02-03)
 - Fix in G4PolyconeSide::Inside for points at     - Fix in G4PolyconeSide::Inside for points at radius = 0 for phi slides
   solids with an inner radius. Addresses prob       solids with an inner radius. Addresses problem report #598.
                                                   
 10-Oct-2004, J.Allison (geom-specific-V06-02-     10-Oct-2004, J.Allison (geom-specific-V06-02-02)
 - Added GetPolyhedron, a smart access functio     - Added GetPolyhedron, a smart access function that creates a G4Polyhedron
   on request and stores for future access.  A       on request and stores for future access.  A null pointer means "not
   available".                                       available".
                                                   
 22-Sep-2004, G.Cosmo (geom-specific-V06-02-01     22-Sep-2004, G.Cosmo (geom-specific-V06-02-01)
 - Added implementation of GetCubicVolume() wi     - Added implementation of GetCubicVolume() with cashing mechanism for
   solids: G4EllipticalTube, G4Hype, G4Polyhed       solids: G4EllipticalTube, G4Hype, G4Polyhedra, G4Polycone, G4TwistedTubs.
                                                   
 01-Sep-2004, D.C.Williams (geom-specific-V06-     01-Sep-2004, D.C.Williams (geom-specific-V06-02-00)
 - G4VCSGfaceted: fix for rare anomalous situa     - G4VCSGfaceted: fix for rare anomalous situation in which
   DistanceToOut(p,v,..) will report kInfinity       DistanceToOut(p,v,..) will report kInfinity, make an additional check
   for the point p on the surface, in which ca       for the point p on the surface, in which case will report zero.
   Addresses problem observed in G4Polyhedra a       Addresses problem observed in G4Polyhedra and reported in #650.
                                                   
 07-Jun-2004, G.Cosmo (geom-specific-V06-01-04     07-Jun-2004, G.Cosmo (geom-specific-V06-01-04)
 - Fixed compilation problem in G4TwistedSurfa     - Fixed compilation problem in G4TwistedSurface.cc on WIN32-VC.
                                                   
 28-May-2004, G.Cosmo (geom-specific-V06-01-03     28-May-2004, G.Cosmo (geom-specific-V06-01-03)
 - Fixed archiving problem on WIN32-VC7: repla     - Fixed archiving problem on WIN32-VC7: replaced structs with classes
   in G4VSurface.                                    in G4VSurface.
 - Replaced misleading names for masks in G4VS     - Replaced misleading names for masks in G4VSurface and moved inlined
   methods of nested classes to .cc.                 methods of nested classes to .cc.
                                                   
 25-May-2004, G.Cosmo (geom-specific-V06-01-02     25-May-2004, G.Cosmo (geom-specific-V06-01-02)
 - Fixed compilation problem on SUN-CC. Made E     - Fixed compilation problem on SUN-CC. Made EValidate enum public in
   G4VSurface.hh.                                    G4VSurface.hh.
                                                   
 24-May-2004, G.Cosmo (geom-specific-V06-01-01     24-May-2004, G.Cosmo (geom-specific-V06-01-01)
 - Removed compilation warnings and minor clea     - Removed compilation warnings and minor cleanup...
                                                   
 19-May-2004, O.Link (geom-specific-V06-01-00)     19-May-2004, O.Link (geom-specific-V06-01-00)
 - First implementation of a framework for twi     - First implementation of a framework for twisted surfaces, integrated from
   the original version of Kotoyo Hoshina (hos       the original version of Kotoyo Hoshina (hoshina@hepburn.s.chiba-u.ac.jp)
   implemented in the 'Jupiter' application.         implemented in the 'Jupiter' application.
   o Includes new specific twisted shape: G4Tw       o Includes new specific twisted shape: G4TwistedTubs.
   o New classes: G4VSurface, G4TwistedSurface       o New classes: G4VSurface, G4TwistedSurface, G4HyperbolicSurface,
                  G4FlatSurface, G4TwistedTubs                      G4FlatSurface, G4TwistedTubs.
   o Cleanup of original code (debugging messa       o Cleanup of original code (debugging messages, compiler errors, migration
     of g4std to new convention...)                    of g4std to new convention...)
   o New organisation of class G4TwistedTubs:        o New organisation of class G4TwistedTubs: now independent of XXXSurface;
     removed backpointer 'fSolid' from XXXSurf         removed backpointer 'fSolid' from XXXSurface to G4TwistedTubs.
   o New form of constructors in G4TwistedSurf       o New form of constructors in G4TwistedSurface, G4HyperbolicSurface and
     G4FlatSurface.                                    G4FlatSurface.
   o Change in G4TwistedSurface::DistanceToIn(       o Change in G4TwistedSurface::DistanceToIn(p,v,...): roundoff correction.
                                                   
 12-Jan-2004, G.Cosmo (geom-specific-V06-00-00     12-Jan-2004, G.Cosmo (geom-specific-V06-00-00)
 - G4PolyhedraSide.cc: fixed bug in which part     - G4PolyhedraSide.cc: fixed bug in which particles could "leak" out the
   center of a face if inner radius = 0.             center of a face if inner radius = 0.
   Fixes problem report #547. (D.Williams)           Fixes problem report #547. (D.Williams)
                                                   
 22-Nov-2003, G.Cosmo (geom-specific-V05-02-07     22-Nov-2003, G.Cosmo (geom-specific-V05-02-07)
 - Fixed upper bound for protection check intr     - Fixed upper bound for protection check introduced in G4Polycone and
   G4Polyhedra constructors.                         G4Polyhedra constructors.
                                                   
 17-Nov-2003, G.Cosmo (geom-specific-V05-02-06     17-Nov-2003, G.Cosmo (geom-specific-V05-02-06)
 - Added protections in G4Polycone and G4Polyh     - Added protections in G4Polycone and G4Polyhedra constructors for
   invalid constructs with no contiguous segme       invalid constructs with no contiguous segments in Z planes as input.
                                                   
 04-Nov-2003, G.Cosmo (geom-specific-V05-02-05     04-Nov-2003, G.Cosmo (geom-specific-V05-02-05)
 - Added SetOriginalParameters() method to G4P     - Added SetOriginalParameters() method to G4Polycone and G4Polyhedra.
                                                   
 03-Nov-2003, G.Cosmo (geom-specific-V05-02-04     03-Nov-2003, G.Cosmo (geom-specific-V05-02-04)
 - Code cleanup and headers inclusion review       - Code cleanup and headers inclusion review
   (replaced by forward declarations where nec       (replaced by forward declarations where necessary).
                                                   
 28-Oct-2003, G.Cosmo (geom-specific-V05-02-03     28-Oct-2003, G.Cosmo (geom-specific-V05-02-03)
 - Migrated to new G4Exception scheme.             - Migrated to new G4Exception scheme.
                                                   
 20-Oct-2003, G.Cosmo (geom-specific-V05-02-02     20-Oct-2003, G.Cosmo (geom-specific-V05-02-02)
 - Added Reset() method in G4Polycone and G4Po     - Added Reset() method in G4Polycone and G4Polyhedra to allow
   recalculation and reshape of the solid if n       recalculation and reshape of the solid if new original_parameters
   are provided.                                     are provided.
                                                   
 30-Sep-2003, G.Cosmo (geom-specific-V05-02-01     30-Sep-2003, G.Cosmo (geom-specific-V05-02-01)
 - Updated GNUmakefile for unit tests, accordi     - Updated GNUmakefile for unit tests, according to new structure
   introduced in "geometry-V05-02-00".               introduced in "geometry-V05-02-00".
                                                   
 16-Jun-2003, G.Cosmo (geom-specific-V05-02-00     16-Jun-2003, G.Cosmo (geom-specific-V05-02-00)
 - Added accessors to original_parameters for      - Added accessors to original_parameters for G4Polycone and G4Polyhedra.
   Made G4PolyconeHistorical and G4PolyhedraHi       Made G4PolyconeHistorical and G4PolyhedraHistorical classes in global
   scope (temporary solution).                       scope (temporary solution).
                                                   
 28-Mar-2003, G.Cosmo (geom-specific-V05-00-00     28-Mar-2003, G.Cosmo (geom-specific-V05-00-00)
 - Fixed initialisation of base class in copy      - Fixed initialisation of base class in copy contructor for:
   G4PolyPhiFace, G4PolyconeSide, G4PolyhedraS       G4PolyPhiFace, G4PolyconeSide, G4PolyhedraSide.
 - Fixed trivial pedantic warnings on G4Polyco     - Fixed trivial pedantic warnings on G4Polycone and G4Polyhedra.
                                                   
 30-Oct-2002, G.Cosmo (geom-specific-V04-01-01     30-Oct-2002, G.Cosmo (geom-specific-V04-01-01)
 - Fixed un-initialised data members in constr     - Fixed un-initialised data members in constructors of classes:
   G4ClippablePolygon, G4EnclosingCylinder, G4       G4ClippablePolygon, G4EnclosingCylinder, G4PolyconeSide,
   G4ReduciblePolygon, G4VCSGfaceted.                G4ReduciblePolygon, G4VCSGfaceted.
                                                   
 28-Oct-2002, G.Cosmo (geom-specific-V04-01-00     28-Oct-2002, G.Cosmo (geom-specific-V04-01-00)
 - Added implementation of StreamInfo() to com     - Added implementation of StreamInfo() to comply with new interface for
   G4VSolid in "geommng-V04-01-03".                  G4VSolid in "geommng-V04-01-03".
 - Created .icc files for G4EllipticalTube, G4     - Created .icc files for G4EllipticalTube, G4Polyhedra and G4Polycone.
 - Some cosmetic changes to code formatting: r     - Some cosmetic changes to code formatting: removed <TAB> characters and adopt
   uniform code indentation.                         uniform code indentation.
                                                   
 08-May-2002, J.Allison (geom-solids-specific-     08-May-2002, J.Allison (geom-solids-specific-V04-00-01)
 - Implemented G4EllipticalTube::CreatePolyhed     - Implemented G4EllipticalTube::CreatePolyhedron.
                                                   
 10-Jan-2002, G.Cosmo (geom-solids-specific-V0     10-Jan-2002, G.Cosmo (geom-solids-specific-V04-00-00)
 - Updated unit tests.                             - Updated unit tests.
                                                   
 20-Apr-2001, G.Cosmo (geom-solids-specific-V0     20-Apr-2001, G.Cosmo (geom-solids-specific-V03-01-00)
 - Migration to STL vector:                        - Migration to STL vector:
   o In G4ClippablePolygon, migrated G4ThreeVe       o In G4ClippablePolygon, migrated G4ThreeVectorList typedef and
     made private to class.                            made private to class.
                                               <<      
 03-Apr-2001, D.Williams  (geom-solids-specifi     03-Apr-2001, D.Williams  (geom-solids-specific-V03-00-01)
 -----------------------                           -----------------------
 - G4IntersectingCone.cc: make small adjustmen     - G4IntersectingCone.cc: make small adjustment to help with roundoff error
   in LineHitsCone1() and LineHitsCone2().           in LineHitsCone1() and LineHitsCone2().
                                                   
 08-Jan-2001, D.Williams  (geom-solids-specifi     08-Jan-2001, D.Williams  (geom-solids-specific-V03-00-00)
 -----------------------                           -----------------------
 - G4Hype.cc: Added protecton against zero v.z     - G4Hype.cc: Added protecton against zero v.z in DistanceToOut.
                                                   
 20-Nov-2000, G.Cosmo     (geom-solids-specifi     20-Nov-2000, G.Cosmo     (geom-solids-specific-V02-00-04)
 ---------------------                             ---------------------
 - Fixes to remove warnings from "-Wall -ansi      - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
   o commented out variables declared and not        o commented out variables declared and not used.
   o fixed declaration of variables used befor       o fixed declaration of variables used before being initialised.
   o fixed order of initialisation of member d       o fixed order of initialisation of member data in constructors.
   o fixed usage of unsigned-int (size_t) for        o fixed usage of unsigned-int (size_t) for array indeces.
                                                   
 13-Nov-2000, G.Cosmo     (geom-solids-specifi     13-Nov-2000, G.Cosmo     (geom-solids-specific-V02-00-03)
 --------------------                              --------------------
 - Added definition of empty constructor for G     - Added definition of empty constructor for G4ClippablePolygon which
   went lost by mistake...                           went lost by mistake...
                                                   
 02-Nov-2000, G.Cosmo     (geom-solids-specifi     02-Nov-2000, G.Cosmo     (geom-solids-specific-V02-00-02)
 --------------------                              --------------------
 - QA code revision and cleanup (+fixes from C     - QA code revision and cleanup (+fixes from CodeWizard filtering):
   o Avoid inline virtual methods.                   o Avoid inline virtual methods.
   o General cosmetics for Software Reference        o General cosmetics for Software Reference Manual.
                                                   
 23-Oct-2000, D.Williams  (geom-solids-specifi     23-Oct-2000, D.Williams  (geom-solids-specific-V02-00-01)
 -----------------------                           -----------------------
 - G4IntersectingCone.cc: the check for a zero     - G4IntersectingCone.cc: the check for a zero radical has been adjusted to be
   less sensitive to round off error in LineHi       less sensitive to round off error in LineHitsCone1(), LineHitsCone2().
   This fixes a problem discovered in BaBar.         This fixes a problem discovered in BaBar.
                                                   
 12-Sep-2000, G.Cosmo  (geom-solids-specific-V     12-Sep-2000, G.Cosmo  (geom-solids-specific-V02-00-00)
 --------------------                              --------------------
 - Organised comments to headers for Software      - Organised comments to headers for Software Reference Manual.
                                                   
 27-Jun-2000, G.Cosmo  (geom-solids-specific-V     27-Jun-2000, G.Cosmo  (geom-solids-specific-V01-01-02)
 --------------------                              --------------------
 - G4Polycone[.hh.cc]: better fix for bug-repo     - G4Polycone[.hh.cc]: better fix for bug-report #110.
   Removed struct and replaced with class.           Removed struct and replaced with class.
                                                   
 26-Jun-2000, G.Cosmo  (geom-solids-specific-V     26-Jun-2000, G.Cosmo  (geom-solids-specific-V01-01-01)
 --------------------                              --------------------
 - G4Polycone.cc: fixed memory leak by invokin     - G4Polycone.cc: fixed memory leak by invoking destruction of member
   enclosingCylinder, which was not cleaned up       enclosingCylinder, which was not cleaned up in the destructor.
   This fixes problem report #107.                   This fixes problem report #107.
 - G4Polycone.hh: added forward declaration of     - G4Polycone.hh: added forward declaration of struct G4PolyconeHistorical
   and made it friend, for porting on KCC --st       and made it friend, for porting on KCC --strict. This fixes report #110.
 - G4Polyhedra.hh: fixed typo in method name.      - G4Polyhedra.hh: fixed typo in method name. Changed GetNumSIde() to
   GetNumSide(). This fixes problem report #10       GetNumSide(). This fixes problem report #105.
                                                   
 08-Jun-2000, G.Gracia                             08-Jun-2000, G.Gracia
 ---------------------                             ---------------------
 - G4VCSGfaceted.cc: fix for Win/NT in functio     - G4VCSGfaceted.cc: fix for Win/NT in function GetExtent().
                                                   
 27-Apr-2000, G.Cosmo                              27-Apr-2000, G.Cosmo
 --------------------                              --------------------
 - Removed dependency over the CSG domain in G     - Removed dependency over the CSG domain in GNUmakefile.
                                                   
 18-Apr-2000, D.Williams                           18-Apr-2000, D.Williams
 -----------------------                           -----------------------
 - Removed meaningless "const" specifiers from     - Removed meaningless "const" specifiers from methods in G4ClippablePolygon,
   and G4EllipticalTube.                             and G4EllipticalTube.
 - G4EllipticalTube, G4Hype and G4VCSGfaceted      - G4EllipticalTube, G4Hype and G4VCSGfaceted now inherit directly
   from G4VSolid (before was G4CSGSolid).            from G4VSolid (before was G4CSGSolid).
 - Reintroduced GetExtent() in G4EllipticalTub     - Reintroduced GetExtent() in G4EllipticalTube, G4Hype and G4VCSGfaceted
   (in principle, not needed).                       (in principle, not needed).
 - Modified assertations in unit test testG4Hy     - Modified assertations in unit test testG4Hype.cc.
                                                   
 11-Apr-2000, J.Allison                            11-Apr-2000, J.Allison
 ----------------------                            ----------------------
 - Removed implementations of GetExtent in mos     - Removed implementations of GetExtent in most sub-classes of G4VSolid (a
   default implementation exists in G4VSolid).       default implementation exists in G4VSolid).
 - All implementations of DescribeYourselfTo (     - All implementations of DescribeYourselfTo (G4VGraphicsScene& scene) const
   now correctly written: scene.AddThis(*this)       now correctly written: scene.AddThis(*this).
                                                   
 05-Apr-2000, G.Cosmo   (geom-solids-specific-     05-Apr-2000, G.Cosmo   (geom-solids-specific-V01-01-00)
 --------------------                              --------------------
 - Restructured solids/CSG domain, by moving t     - Restructured solids/CSG domain, by moving to "specific" the following
   classes: G4ClippablePolygon, G4EnclosingCyl       classes: G4ClippablePolygon, G4EnclosingCylinder, G4Hype, G4PolyPhiFace,
   G4Polycone, G4PolyconeSide, G4Polyhedra, G4       G4Polycone, G4PolyconeSide, G4Polyhedra, G4PolyhedraSide, G4ReduciblePolygon,
   G4IntersectingCone, G4SolidExtentList, G4VC       G4IntersectingCone, G4SolidExtentList, G4VCSGface, G4VCSGfaceted.
   The new module's library for "specific" is        The new module's library for "specific" is now called 'G4specsolids'.
 - Created specific/test directory and moved t     - Created specific/test directory and moved testG4Hype.cc and testG4Polycone,cc
   from CSG/test.                                    from CSG/test.
 - Organised class description comments for th     - Organised class description comments for the Software Reference Manual
   and added CVS headers to files.                   and added CVS headers to files.
                                                   
 29-Mar-2000, D.Williams                           29-Mar-2000, D.Williams
 -----------------------                           -----------------------
 - Added first implementation of G4EllipticalT     - Added first implementation of G4EllipticalTube.
   It defines a simple elliptical tube, as in        It defines a simple elliptical tube, as in geant3 "ELTU".
   Files introduced: G4EllipticalTube[.hh.cc].       Files introduced: G4EllipticalTube[.hh.cc].
                                                   
 25-Mar-2000, G.Cosmo                              25-Mar-2000, G.Cosmo
 --------------------                              --------------------
 - History file created.                           - History file created.