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0001 Geant4.0.1 Release Notes
0002 ------------------------
0003
0004 14th July 1999
0005
0006 This version of Geant4 is a "consolidation" of the first public
0007 release. Its main characteristics are:
0008
0009 o improved reliability and robustness.
0010 o the possibility of using granular (sub-category) libraries. We
0011 recommend this mode of installation and use.
0012 o the possibility of using either the Standard Template Library
0013 (STL) or RogueWave tools.h++, selectable at installation and use
0014 time.
0015 o new low energy electromagnetic processes (first version).
0016 o extension of nuclear photon-evaporation to include the calculation
0017 of time to production for gammas.
0018 o improvements in design of the User Action classes - see below.
0019
0020 Note that the next release, Geant4.1.0, will be offered only in the
0021 STL version.
0022
0023 This code and some binary libraries are available through our "Source
0024 Code" Web page - see our Geant4 Home Page (http://cern.ch/geant4).
0025
0026 Please refer to the Geant4 User Documentation
0027 (http://cern.ch/geant4/G4UsersDocuments/Overview/html)
0028 for further information about using Geant4.
0029 Updates to the documentation for Geant4.0.1 are still in preparation
0030 and are expected to be published within three weeks.
0031
0032
0033 Contents
0034 --------
0035
0036 1. Supported and Tested Platforms
0037 2. CLHEP 1.4
0038 3. Using the Standard Template Library
0039 4. Compiler Specific Problems
0040 5. Known Run-Time Problems
0041 6. Compilation Warnings
0042 7. Known Run-Time Warnings
0043 8. Changes of the Signatures of Methods of the User Action Classes
0044
0045
0046 1. Supported and Tested Platforms
0047 ---------------------------------
0048
0049 o SUN Solaris 5.6, C++ 4.2 patch 104631-04.
0050 o HP 10.20, aCC C++ B3910B A.01.18.
0051 o Linux 2.0.35, gcc C++ egcs-2.91.60. There is a bug in an egcs
0052 include file which affects compilation with STL - see comments
0053 below. This configuration was tested in the RedHat 5.1
0054 distribution, but versions of Geant4 have also been compiled
0055 successfully in Debian and Suse distributions.
0056
0057 Platforms also tested but giving rise to some problems - see below:
0058
0059 o AIX 4.3, xlC compiler.
0060 o DEC V4.0, cxx C++ V6.1-027.
0061 o NT 4.0 with Service Pack 4 and Cygnus Tools b20 with:
0062 Visual C++ 6.0 Service Pack 2 for either STL or RogueWave, or
0063 Visual C++ 5.0 Service Pack 3 for the RogueWave version only.
0064
0065
0066 2. CLHEP 1.4
0067 ------------
0068
0069 Geant4.0.1 requires the installation of CLHEP 1.4
0070 (http://cern.ch/clhep/INSTALLATION/clhep.html).
0071 The following platform specific instructions apply:
0072
0073 DEC: Do *not* use the compiler option "-std strict_ansi".
0074
0075 NT: After configure, edit the file config/CLHEP-x86-cygnus-win32 and
0076 comment out "#define HEP-USE-STD 1".
0077
0078
0079
0080 3. Using the Standard Template Library
0081 --------------------------------------
0082
0083 The following versions of STL have been tested:
0084
0085 ObjectSpace STL (http://www.objectspace.com) on: AIX,
0086 DEC, HP, NT and SUN.
0087
0088 STLPORT STL (http://www.stlport.org) on: NT
0089
0090 "Native" STL on: Linux.
0091
0092 This is selected at installation/compile time by environment variables
0093 - see documentation. Be aware that this is the first implementation
0094 of "The STL Interface" for which the emphasis has been on correct
0095 behaviour, not on performance. Also, the size of libraries and
0096 executables is considerably larger. These issues will be addressed in
0097 the next release.
0098
0099
0100 4. Compiler Specific Problems
0101 -----------------------------
0102
0103 o Linux with egcs-1.1.1 and 1.1.2
0104
0105 In order to compile with STL it is necessary to edit
0106 stl_hash_fun.h in /usr/include/g++/ or /usr/local/include/g++/.
0107 Lines 65-67 must be removed or commented out. These are the
0108 lines in question:
0109
0110 __STL_TEMPLATE_NULL struct hash<signed char> {
0111 size_t operator()(unsigned char x) const { return x; }
0112 };
0113
0114 o AIX 4.3, xlC compiler.
0115
0116 Geant4 does compile and link on AIX... eventually. The compiler
0117 is very slow and the executables in debug mode are very large.
0118 On rsplus at CERN we had to revert to a version of the archiver
0119 corresponding to AIX 4.1 in order to have templates treated
0120 correctly. This has limited our ability to test Geant4.
0121
0122 o DEC V4.0, cxx C++ V6.1-027.
0123
0124 We have found cases of mis-compilation of min and max templates
0125 on DEC. We have traced those which cause serious malfunction
0126 but there is no guarantee that there are no other cases.
0127 Detailed inspection of assembler output suggests that this
0128 problem might not be confined to min and max. This has been
0129 reported to DEC/Compaq. We understand a new version 6.1A of the
0130 compiler is on its way. However we cannot guarantee correct
0131 execution of Geant4 on DEC with the current version of the
0132 compiler.
0133
0134 o NT
0135
0136 - Note that the G4SYSTEM environment variable used for compiling
0137 Geant4 on NT has changed from WIN32-VC-NICE to WIN32-VC.
0138 Please check documentation on setting the environment.
0139 - Testing was done using the debuggable version only.
0140 - g3tog4 has not been ported to NT.
0141 - During the making of dependency files during compilation there
0142 are repeated warnings ("strstrea.h not found") - this is an
0143 artefact of using g++ for this purpose.
0144 - Ignore linker warnings: "conflicts with use of other libs".
0145 - Ignore linker errors: "unresolved external symbol
0146 __imp__MessageBoxA@16".
0147 - There is a known problem reading the data files for neutron
0148 scattering processes. A patch resolving this problem will
0149 be issued soon.
0150
0151
0152
0153 5. Known Run-Time Problems
0154 --------------------------
0155
0156 o Reading STEP files on DEC with optimised libraries causes a Memory
0157 fault - but see notes on DEC above.
0158 o exampleN04 loops on DEC with optimised libraries - but see notes
0159 on DEC above.
0160 o On HP, an executable which uses "integral approach"
0161 electromagnetic processes - G4IMultipleScattering,
0162 G4IeIonisation, G4IeBremsstrahlung, G4IeplusAnnihilation,
0163 G4IhIonisation - has intermittently given Bus error(coredump).
0164
0165
0166 6. Compilation Warnings
0167 -----------------------
0168
0169 There are compilation warnings om some platforms. We do not believe
0170 that any will lead to incorrect run-time behaviour, but we are working
0171 on reducing them.
0172
0173
0174 7. Known Run-Time Warnings
0175 --------------------------
0176
0177 The following messages are written to error output while tracking. We
0178 believe none give rise to incorrect behaviour.
0179
0180 o G4PropagatorInField::LocateIntersectionPoint: Warning: Integration
0181 inaccuracy requires an adjustment in the step's endpoint Two
0182 mid-points are further apart than their curve length difference:
0183 Dist = xxx curve length = yyy
0184 o Stepsize underflow in Stepper.
0185 o Warning G4Navigator::ComputeStep found slightly inaccurate
0186 position...
0187 o Warning in G4Navigator::ComputeStep: The Step's starting point has
0188 moved...
0189
0190
0191 8. Changes of the Signatures of Methods of the User Action Classes
0192 ------------------------------------------------------------------
0193
0194 The signatures of all methods of all of the optional user action
0195 classes have been changed. Now every method takes a constant pointer
0196 to an appropriate G4 object. To cope with this change the user code
0197 must be modified. The examples and documents are updated and the user
0198 is requested to consult to them. We are sorry for this inconvenience
0199 but we concluded that this change will provide the user with a better
0200 and more robust code.
