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| 2 | Geant4 4.1 - patch-01 Release Notes
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| 3 | -----------------------------------
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| 4 |
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| 5 | 31st July 2002
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| 6 |
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| 7 | List of fixes included in this public patch to release 4.1:
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| 8 |
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| 9 | o Config:
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| 10 | ------
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| 11 | - Upgraded WIN32-g++ setup to compile with -ansi and gcc-2.95.3 for
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| 12 | most recent versions of CygWin.
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| 13 |
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| 14 | o Electromagnetic processes (low-energy):
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| 15 | --------------------------------------
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| 16 | - Bug fix in delta-electron spectra.
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| 17 | - Bug fix in simulation of EM processes in compounds.
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| 18 | - Optimised loading of data in G4AugerData.
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| 19 |
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| 20 | o Event:
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| 21 | -----
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| 22 | - G4PrimaryParticle:
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| 23 | o Bug fixed in the initialisation of 'charge' for all constructors.
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| 24 |
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| 25 | o Geometry:
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| 26 | --------
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| 27 | + magnetic-field:
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| 28 | - G4FieldManager:
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| 29 | o made 'fDefault_Delta_One_Step_Value' and
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| 30 | 'fDefault_Delta_Intersection_Val' non static constants to resolve
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| 31 | initialisation problems. Fixes problem report #383.
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| 32 | - G4ChordFinder:
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| 33 | o in NewStep, fixed case of stepTrial >> stepTrialOld, to take
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| 34 | large multiple - not small
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| 35 | o added guard for stepTrial==0.0 in FindNextChord().
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| 36 | - G4MagIntegratorDriver:
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| 37 | o added protection against error of 0.0 in ComputeNewStepSize.
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| 38 | o cleared warning of unused variable.
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| 39 | - G4EquationOfMotion:
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| 40 | o made RightHandSide() an inline method
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| 41 | o in GetFieldValue() signature of Point is double[4],
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| 42 | instead of double[3]
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| 43 | o defined G4maximum_number_of_field_components as enum.
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| 44 | + solids/CSG:
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| 45 | - G4Cons:
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| 46 | o Bug fixed in DistanceToIn(p,v) concerning z-crossing at
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| 47 | the edge with Rmin,Rmax.
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| 48 | + solids/STEP:
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| 49 | - Fixed GNUmakefile to parse 'g++' string in G4SYSTEM to detect
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| 50 | non-ISO setup for gcc-2.95 and higher.
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| 51 | + solids/STEPinterface:
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| 52 | - Fixed GNUmakefile to parse 'g++' string in G4SYSTEM to detect
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| 53 | non-ISO setup for gcc-2.95 and higher.
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| 54 | + verification:
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| 55 | - G4GeomTestVolume:
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| 56 | o Fixed recursive call to G4GeomTestVolume to consider also
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| 57 | 'tolerance' as argument in the recursive test algorithm.
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| 58 | + volumes:
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| 59 | - Code cleanup and cosmetics for most classes.
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| 60 | - G4PropagatorInField:
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| 61 | o In ComputeStep(), reset status to original by setting 'fNoZeroStep'
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| 62 | to zero if (fNoZeroStep > fAbandonThreshold_NoZeroSteps).
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| 63 | Fixes a problem observed in cases when a looping track is killed,
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| 64 | the bug was causing also subsequent tracks to be killed.
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| 65 | o Removed not-implemented constructor taking G4Navigator* as argument.
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| 66 | o Get rid of static const data for default 'epsilonStep' size.
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| 67 | o Initialised all data members in constructor!
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| 68 |
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| 69 | o Global:
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| 70 | ------
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| 71 | - G4Allocator:
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| 72 | o Moved page size to become data-member of G4Allocator.
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| 73 | 'fPageSize' is now computed according to the size of the object
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| 74 | to be allocated. The default size is 1024 bytes for objects whose
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| 75 | size is less than 512 bytes, 10 times the size of the object otherwise.
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| 76 |
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| 77 | o Hadronic processes:
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| 78 | ------------------
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| 79 | + management, utils, models/high_energy:
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| 80 | o Introduced accounting of strange baryons.
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| 81 | o Introduced accounting for anti-nucleons and strange mesons.
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| 82 | o Improved treatement of inelasticity for annihilation events and pion
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| 83 | absorptive reactions.
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| 84 | o Added protection in the call to phase-space method for pion induced
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| 85 | reactions.
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| 86 | o Fixed error in energy conservation observed by BTEV.
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| 87 | Used to show (1/500) for 1.5-2.5 GeV pion reactions in medium A nuclei.
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| 88 | + cross-sections:
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| 89 | o Fixed bug in caching information in gamma nuclear cross-sections
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| 90 | (G4PhotoNuclearCrossSection).
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| 91 |
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| 92 | o Examples:
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| 93 | --------
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| 94 | - Corrected README in exampleN01.
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| 95 | - Updated reference outputs.
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| 96 |
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| 97 | ----------------------------------------------------------------------------
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| 98 |
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| 99 | Technical Notes
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| 100 | ---------------
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| 101 |
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| 102 | o This patch should be applied on top of release 4.1.
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| 103 | o Technical notes distributed for release 4.1 are also applicable and
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| 104 | valid for this patch.
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| 105 |
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| 106 | The code and rebuilt binary libraries for release 4.1 are available through
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| 107 | our "Source Code" Web page:
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| 108 | - see our Geant4 Home Page (http://cern.ch/geant4).
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| 109 |
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| 110 | Please refer to the Geant4 User Documentation
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| 111 | (http://cern.ch/geant4/G4UsersDocuments/Overview/html)
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| 112 | for further information about using Geant4.
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