| [1231] | 1 | $Id: History,v 1.147 2009/11/12 18:45:02 japost Exp $
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| [831] | 2 | -------------------------------------------------------------------
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| 3 |
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| 4 | =========================================================
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| 5 | Geant4 - an Object-Oriented Toolkit for Simulation in HEP
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| 6 | =========================================================
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| 7 |
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| 8 | Category History file
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| 9 | ---------------------
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| 10 | This file should be used by G4 developers and category coordinators
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| 11 | to briefly summarize all major modifications introduced in the code
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| 12 | and keep track of all category-tags.
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| 13 | It DOES NOT substitute the CVS log-message one should put at every
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| 14 | committal in the CVS repository !
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| 15 |
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| 16 | ----------------------------------------------------------
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| 17 | * Reverse chronological order (last date on top), please *
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| 18 | ----------------------------------------------------------
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| 19 |
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| [1231] | 20 | Nov 12th, 2009 J.Apostolakis - field-V09-02-09
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| 21 | -----------------------------
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| 22 | - G4MagIntegratorDriver: Activate Peter Gumplinger's check on integration
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| 23 | error for spin.
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| 24 |
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| 25 | Nov 12th, 2009 J.Apostolakis - field-V09-02-08
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| 26 | ----------------------------- (fix only)
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| 27 | - G4Nystrom: Corrected interface method getField: array now has explicit dimension[4]
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| 28 | (Problem found by gcc 4.3 - it checked indices used in inline method! )
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| 29 |
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| 30 | Nov 6th, 2009 P.Gumplinger - field-V09-02-07
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| 31 | ---------------------------
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| 32 | - bug fix in G4EqEMFieldWithSpin and G4EqEMFieldWithEDM
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| 33 | thanks to Hiromi Iinuma (KEK) see:
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| 34 | http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/161.html
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| 35 |
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| 36 | Nov 5th, 2009 J.Apostolakis - field-V09-02-06
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| 37 | ----------------------------
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| 38 | - G4MagIntegratorDriver.cc : Enabled call to ComputeRightHandSide
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| 39 | - G4NystromRK4.cc : Disabled auxiliary code in Stepper (needed if
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| 40 | ComputeRightHandSide is not called.)
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| 41 |
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| 42 | Nov 5th, 2009 J.Apostolakis - field-V09-02-05
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| 43 | ----------------------------
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| 44 | - Added new virtual method CalculateRightHandSide to G4MagIntegratorStepper for use
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| 45 | in caching momentum (and field value) by G4NystromRK4
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| 46 | Default implementation in G4MagIntegratorStepper calls RightHandSide inline method.
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| 47 | - G4Nystrom: New Set/Get method for cache distance.
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| 48 | Changed private data members in G4NystromRK4.
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| 49 | - G4MagIntegratorDriver: alternative call to ComputeRightHandSide is not used (in comment)
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| 50 | As a result G4NystromRK4 operates without reusing
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| 51 |
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| 52 | Nov 5th, 2009 J.Apostolakis - field-V09-02-04
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| 53 | ----------------------------
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| 54 | - G4CachedMagneticField: New Simple class to cache value of Magnetic Field.
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| 55 | Speeds up code when calculation of field value is complex.
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| 56 | - G4NystromRK4 : New Stepper with Nystrom for magnetic field
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| 57 | with analytic estimation of integration error.
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| 58 | Greatly reduces number of field value per step.
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| 59 | - Revised testPropagateMagField to use Cached Quadrupole field,
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| 60 | and to cover G4NystromRK4 and G4ConstRK4.
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| 61 |
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| 62 | Nov 4th, 2009 P.Gumplinger - field-V09-02-03
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| 63 | ---------------------------
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| 64 | - (minor change) remove comment from G4EqEMFieldWithSpin.cc
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| 65 | add G4EqEMFieldWithEDM class: this is the RHS of EofM in a combined
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| 66 | electric and magnetic field, with spin tracking for both MDM and EDM terms.
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| 67 | Thanks to Kevin Lynch, Phys. Dept. at Boston University.
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| 68 |
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| 69 | May 18th, 2009 T.Nikitina - field-V09-02-02
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| 70 | -------------------------
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| 71 | - Enhanced algorithm G4ChordFinder::ApproxCurvePointS() in order to speedup
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| 72 | BrentLocator.
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| 73 |
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| 74 | March 25th, 2009 G.Cosmo - field-V09-02-01
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| 75 | ------------------------
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| 76 | - Some code cleanup and formatting...
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| 77 |
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| 78 | March 6th, 2009 P.Gumplinger - field-V09-02-00
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| 79 | ----------------------------
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| 80 | - Added 3rd term of BMT equation (Spin x Beta x Efield) to G4EqEMFieldWithSpin,
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| 81 | addresses emfields forum posting #155 (bug report). Thanks to Kevin Lynch,
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| 82 | Phys. Dept. at Boston University.
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| 83 | - Moved renormalization of spin from G4EqEMFieldWithSpin and G4Mag_SpinEqRhs to
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| 84 | G4ClassicalRK4 and G4SimpleHeum.
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| 85 | - Added Spin propagation errors to the criteria for 'OneGoodStep' in
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| 86 | G4MagIntegratorDriver but actually don't add it (yet) to the decision logic.
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| 87 |
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| [921] | 88 | November, 19th, 2008 P.Gumplinger - field-V09-01-05
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| [1231] | 89 | ----------------------------------
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| 90 | - Renormalized the spin to 1 in G4EqEMFieldWithSpin and G4Mag_SpinEqRhs.
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| [921] | 91 |
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| 92 | November, 7th, 2008 P.Gumplinger - field-V09-01-04
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| 93 | ----------------------------------
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| 94 | - Added SetAnomaly() and GetAnomaly() accessors to G4EqEMFieldWithSpin.
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| 95 |
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| 96 | October, 28th, 2008 T.Nikitina - field-V09-01-03
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| 97 | --------------------------------
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| 98 | - Added 'ApproxCurveV' to method G4ChordFinder::ApproxCurvePointS() in
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| 99 | order to better calculate the curve length.
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| 100 | - Some code cleanup.
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| 101 |
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| 102 | September, 18th, 2008 T.Nikitina
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| 103 | ----------------------------------
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| 104 | - Added new stepper class G4ConstRK4, performing integration of one step
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| 105 | with error calculation in constant magnetic field; implementation derived
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| 106 | from G4ClassicalRK4.
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| 107 |
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| 108 | July, 15th, 2008 J.Apostolakis - field-V09-01-02
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| 109 | --------------------------------
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| 110 | - Revised signature of G4ChordFinder::FinderNextChord(), making 'FieldTrack'
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| 111 | argument passed a reference.
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| 112 |
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| 113 | May, 28th, 2008 T.Nikitina
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| 114 | ----------------------------
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| 115 | - G4ChordFinder: added new method ApproxCurvePointS() using Brent second order
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| 116 | location mechanism.
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| 117 |
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| [831] | 118 | April 24th, 2008 T.Nikitina - field-V09-01-01
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| 119 | -----------------------------
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| 120 | - Fix 'unused' non-initialized values of dydx in G4EqMagElectricField
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| 121 | and G4EqEMFieldWithSpin.
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| 122 |
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| 123 | January 17th, 2008 G.Cosmo - field-V09-01-00
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| 124 | ----------------------------
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| 125 | - G4CashKarpRKF45: deleted un-needed duplicate (and unused) instance variable
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| 126 | 'fNumberOfVariables', already defined in G4MagIntegratorStepper. (J.Ap.)
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| 127 | - Some code cleanup.
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| 128 |
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| 129 | December 7th, 2007 J.Apostolakis & T.Nikitina - field-V09-00-03
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| 130 | -----------------------------------------------
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| 131 | - New class G4FieldManagerStore. It enables resetting of all chord
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| 132 | finders' state. Needed to address problem reported by user.
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| 133 |
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| 134 | September 9th, 2007 G.Cosmo - field-V09-00-02a
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| 135 | ----------------------------
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| 136 | - Some code cleanup in G4MagHelicalStepper.cc.
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| 137 |
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| 138 | August 30th, 2007 P.Gumplinger - field-V09-00-02
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| 139 | ---------------------------------
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| 140 | - Add G4EqEMFieldWithSpin class to allow tracking of spin also in
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| 141 | G4ElectroMagneticFields
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| 142 |
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| 143 | August 21st, 2007 T.Nikitina - field-V09-00-01
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| 144 | -------------------------------
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| 145 | - Fix to DistChord() method for Helical Steppers: adopt 'special' case
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| 146 | also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
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| 147 | improve CPU performance.
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| 148 | - Improved AdvanceHelix() to be able to make half step and full step
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| 149 | in one call.
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| 150 | - In G4HelixMixedStepper added possibility to call different steppers for
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| 151 | small steps and add some statistics how offen different steppers are called.
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| 152 | - G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
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| 153 | the stepper now gives comparable CPU performance as ClassicalRK4.
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| 154 | - Updated unit tests.
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| 155 |
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| 156 | August 17th, 2007 G.Cosmo - field-V09-00-00
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| 157 | ----------------------------
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| 158 | - Changed FatalException to EventMustBeAborted in AccurateAdvance()
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| 159 | if proposed integration step is negative.
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| 160 |
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| 161 | June 8th, 2007 T.Nikitina - field-V08-03-03
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| 162 | ----------------------------
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| 163 | - Relaxed FatalException to Warning in G4MagIntegratorDriver::AccurateAdvance()
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| 164 | for case of step zero and return previous value. This fixes problem
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| 165 | observed by ATLAS in release 8.3 when requiring very accurate propagation
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| 166 | -- ie using very small values for acceptable integration error.
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| 167 |
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| 168 | May 18th, 2007 T.Nikitina - field-V08-03-02
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| 169 | ----------------------------
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| 170 | - New class G4HelixMixedStepper, mixing helical stepper and RK
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| 171 | G4MagHelicalStepper
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| 172 | - Keep values of inverse Radius, ..
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| 173 | - New calculation of DistChord for SteppingAngle > pi
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| 174 | G4RKG3Stepper
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| 175 | - New calculation of DistChord for SteppingAngle > pi
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| 176 |
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| 177 | May 16th, 2007 G.Cosmo - field-V08-03-01
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| 178 | -------------------------
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| 179 | - Introduced new class G4ErrorMag_UsualEqRhs used to reverse the magnetic
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| 180 | field when propagation is backwards for error propagation (by P.Arce).
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| 181 | - Coworks with tag "global-V08-03-02".
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| 182 |
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| 183 | May 11th, 2007 G.Cosmo - field-V08-03-00
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| 184 | -------------------------
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| 185 | - Use call to G4GeometryTolerance instead of kCarTolerance constant in
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| 186 | G4MagIntegratorDriver.
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| 187 | - Requires tag "global-V08-03-00" and related tag set.
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| 188 |
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| 189 | May 10th, 2007 J.Apostolakis - field-V08-02-01
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| 190 | -------------------------------
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| 191 | - G4MagIntegratorDriver:
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| 192 | * added protections against zero initial or internal step h=0, (exceptions)
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| 193 | * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12)
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| 194 |
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| 195 | April 26th, 2007 T.Nikitina - field-V08-02-00
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| 196 | ----------------------------
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| 197 | - Corrected integration constants in G4MagHelicalStepper
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| 198 | - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
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| 199 | - Updated NTST unit test. New unit test "field06" for comparison of steppers.
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| 200 |
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| 201 | November 14th, 2006 J.Apostolakis - field-V08-01-02
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| 202 | ----------------------------------
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| 203 | - G4MagIntegratorDriver
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| 204 | * Made first argument of GetDerivatives a reference - avoid copy
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| 205 | - G4MagIntegratorStepper
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| 206 | * Include the SetEquationOfMotion() method in G4MagIntegratorStepper
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| 207 | (for Geant4e, as in field-V08-01-00)
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| 208 | * Update of disclaimers.
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| 209 |
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| 210 | November 13th, 2006 G.Cosmo - field-V08-01-01
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| 211 | ----------------------------
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| 212 | - G4FieldTrack:
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| 213 | o Implemented missing definition for GetCharge().
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| 214 | o Corrected 'const' qualifier for accessors in the subclass.
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| 215 | o Cleanup ...
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| 216 | - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
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| 217 |
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| 218 | June 21st, 2006 J.Apostolakis - field-V08-01-00
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| 219 | ------------------------------
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| 220 | - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
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| 221 |
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| 222 | June 22nd, 2006 J.Apostolakis - field-V08-00-07
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| 223 | -----------------------------
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| 224 | - G4ExactHelixStepper: reintroduced corrected class
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| 225 | --> testPropagateMagField now tests it also (added)
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| 226 | - G4MagHelicalStepper: made Stepper virtual (for now)
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| 227 | to enable G4ExactHelixStepper to override it
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| 228 |
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| 229 | June 21st, 2006 J.Apostolakis - field-V08-00-06
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| 230 | -----------------------------
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| 231 | - G4ExactHelixStepper: taking out class
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| 232 | (provisional tag in case of difficulties with class, revisions)
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| 233 |
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| 234 | --- The field-V08-00-0x , x > 6, tags do not include the change below
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| 235 |
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| 236 | May 27th, 2006 J.Apostolakis - field-V08-00-05
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| 237 | -----------------------------
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| 238 | - G4FieldTrack: Fix for simple compilation error on Sun.
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| 239 |
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| 240 | May 23rd, 2006 J.Apostolakis - field-V08-00-04
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| 241 | -----------------------------
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| 242 | - G4FieldTrack: Fix for memory leak for ChargeState
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| 243 | Made G4ChargeState a data member (has an instance)
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| 244 |
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| 245 | May 18th, 2006 J.Apostolakis - field-V08-00-03
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| 246 | -----------------------------
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| 247 | - G4FieldTrack: Fix for issue with gcc 4.0 (mac)
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| 248 |
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| 249 | May 16th, 2006 J.Apostolakis - field-V08-00-02
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| 250 | -----------------------------
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| 251 | - G4ExactHelixStepper
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| 252 | Taken out alpha version - it was included in error
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| 253 |
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| 254 | May 11th, 2006 J.Apostolakis - field-V08-00-01
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| 255 | -----------------------------
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| 256 | - G4FieldTrack
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| 257 | Significant, provisional change:
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| 258 | * Added charge and moments to FieldTrack
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| 259 | (SetMethods, and pointer to embedded class G4ChargeState)
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| 260 | Technical revisions:
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| 261 | * New constructor, with charge and without velocity
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| 262 | * New almost-default constructor (taking a character)
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| 263 | Also:
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| 264 | * New constructor to take const reference to Spin
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| 265 | * New implementation method UpdateFourMomentum
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| 266 | * Streaming operator takes const reference,
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| 267 | and outputs momentum magnitude & direction magn.
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| 268 |
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| 269 | - G4ExactHelixStepper
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| 270 | Included in error
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| 271 |
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| 272 | Apr 6th, 2006 J.Apostolakis - field-V08-00-00
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| 273 | ----------------------------
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| 274 | - In G4FieldManager
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| 275 | Added missing const GetChordFinder() method -- Problem report #847
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| 276 | Corrected description (at top of include file hh):
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| 277 | - It is possible to set the field manager of a logical volume (since long)
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| 278 |
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| 279 |
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| 280 | Nov 9th, 2005 G.Cosmo - field-V07-01-00
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| 281 | ----------------------
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| 282 | - Archived source code of field01 unit test, now moved to examples/extended.
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| 283 | - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
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| 284 | with G4VParticleChange new interface.
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| 285 |
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| 286 | Dec 2nd, 2004 G.Cosmo - field-V06-02-02
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| 287 | ----------------------
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| 288 | - Implemented migration to <cmath> for standard mathematical functions.
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| 289 |
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| 290 | Dec 2nd, 2004 J.Apostolakis - field-V06-02-01
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| 291 | ----------------------------
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| 292 | - Improvements to comments in key Field classes
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| 293 | - Changes to test/NTST, renaming 'main()' file & modifying input files
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| 294 | - Several improvements to test files
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| 295 | testProElectroMagField.cc
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| 296 | * updating for new Electric Field inheritance (& need for
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| 297 | different ChordFinder creation )
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| 298 | * adding columns to print-outs in spin case for better diagnosis
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| 299 | testPropagateMagField.cc
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| 300 | * Added verbosity level 1 to field Propagator, relabelled old method.
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| 301 | testPropagateSpin.cc
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| 302 | * Added more printout of parameters (state) of G4PropagatorInField
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| 303 | and G4FieldManager before running each test.
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| 304 | test/NTST
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| 305 | * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
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| 306 |
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| 307 |
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| 308 | Oct 20th, 2004 P.Gumplinger - field-V06-02-00
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| 309 | ----------------------------
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| 310 | - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
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| 311 |
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| 312 | Feb 9th, 2004 G.Cosmo - field-V06-00-00
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| 313 | ----------------------
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| 314 | - G4UniformMagField.cc: added missing implementation for
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| 315 | GetConstantFieldValue(). Fixes bug report #575.
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| 316 |
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| 317 | Nov 13th, 2003 J.Apostolakis - field-V05-02-08
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| 318 | -----------------------------
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| 319 | - G4ChordFinder:
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| 320 | o extended the arguments of AdvanceChordLimited and FindNextChord
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| 321 | adding the current safety sphere (origin, radius), for use in optimising.
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| 322 | o fixed set functions which had side effect (on first fraction.)
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| 323 | - Added new class G4ChordFinderSaf (using above)
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| 324 | o which uses safety to create longer chords, so enabling
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| 325 | propagation in fewer steps --> performance optimisation
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| 326 | - G4FieldManager:
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| 327 | Changed default accuracy parameters to much better values:
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| 328 | Epsilon Min Default to 5.0e-5 from 5.0e-7 (too small)
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| 329 | Epsilon Max Default to 0.001 from 0.05 (far too big)
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| 330 |
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| 331 | Nov 7th, 2003 J.Apostolakis - field-V05-02-07
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| 332 | -----------------------------
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| 333 | - G4ChordFinder
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| 334 | o Made this a base class
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| 335 | * to enable specialised implementations
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| 336 | * virtual methods: FindNextChord, PrintStatistics)
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| 337 | * new method AccumulateStatistics to aid in this
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| 338 |
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| 339 | o New default value of Accuracy!!
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| 340 | Delta Chord to 0.25 mm (from 3.00 mm) <-----
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| 341 |
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| 342 | - G4FieldManager
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| 343 | o Changed default values of
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| 344 | Delta One Step to 0.010 mm (from 0.25 mm) <-----
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| 345 | Delta Intersection to 0.001 mm (from 0.10 mm) <-----
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| 346 | for increased default accuracy
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| 347 | o Use field's DoesFieldChangesEnergy method to set relevant member variable
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| 348 |
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| 349 | Nov 7th, 2003 J.Apostolakis - field-V05-02-06
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| 350 | ----------------------------
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| 351 | - G4ChordFinder
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| 352 | Created new class members for parameters used in heuristics:
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| 353 | fFirstFraction for first step
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| 354 | fFractionLast fraction of last step, if redoing
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| 355 | fFractionNextEstimate confidence in step est from chord
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| 356 | fMultipleRadius for small radii of curve
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| 357 | New method to Print Statistics.
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| 358 | Verbosity to enable optional printing of stats in destructor.
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| 359 |
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| 360 | Nov 7th, 2003 J.Apostolakis - field-V05-02-05
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| 361 | ----------------------------
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| 362 | - G4ChordFinder
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| 363 | o Added simple statistics (with access methods)
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| 364 | - test/NTST
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| 365 | o Added new test, taken from D. Williams' exampleNTST
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| 366 | modified and maintained by J. Apostolakis
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| 367 |
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| 368 | Nov 5th, 2003 J.Apostolakis - field-V05-02-04
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| 369 | ----------------------------
|
|---|
| 370 | - G4FieldManager
|
|---|
| 371 | o Added Get/Set Min/Max imumEpsilonStep
|
|---|
| 372 | o Added fEpsilonMin fEpsilonMax & default to member variables.
|
|---|
| 373 | >> Now these can be tailored for different parts of a detector or setup
|
|---|
| 374 |
|
|---|
| 375 | - G4Field G4ElectroMagneticField G4MagneticField
|
|---|
| 376 | o Adding the virtual method DoesFieldChangeEnergy() [to be used later]
|
|---|
| 377 | o So that G4ElectroMagneticField derives from G4Field
|
|---|
| 378 | and G4MagneticField derives from G4ElectroMagneticField
|
|---|
| 379 |
|
|---|
| 380 | - G4MagErrorStepper and derived classes
|
|---|
| 381 | (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
|
|---|
| 382 | o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
|
|---|
| 383 | as it these applicable to all types of equations
|
|---|
| 384 | (not just ones for Magnetic field)
|
|---|
| 385 |
|
|---|
| 386 | - G4EqMagElectricField
|
|---|
| 387 | o derives from G4EquationOfMotion
|
|---|
| 388 |
|
|---|
| 389 | - G4ChordFinder
|
|---|
| 390 | o Moved simple constructor to .cc file (together with 'complex' one)
|
|---|
| 391 | o Changed fDefaultDeltaChord to a constant member variable (from class var.)
|
|---|
| 392 |
|
|---|
| 393 | Nov 4th, 2003 G.Cosmo - field-V05-02-03
|
|---|
| 394 | ----------------------
|
|---|
| 395 | Undocumented.
|
|---|
| 396 |
|
|---|
| 397 | Nov 4th, 2003 G.Cosmo - field-V05-02-02
|
|---|
| 398 | ----------------------
|
|---|
| 399 | - G4ChordFinder.cc:
|
|---|
| 400 | o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
|
|---|
| 401 |
|
|---|
| 402 | Oct 31st, 2003 G.Cosmo - field-V05-02-01
|
|---|
| 403 | -----------------------
|
|---|
| 404 | - Code cleanup and removal of redundant header includes, replaced
|
|---|
| 405 | where necessary by forward declarations.
|
|---|
| 406 |
|
|---|
| 407 | Oct 24th, 2003 G.Cosmo - field-V05-02-00
|
|---|
| 408 | -----------------------
|
|---|
| 409 | - Migrated to use new G4Exception scheme.
|
|---|
| 410 | - Updated outputs of unit tests.
|
|---|
| 411 |
|
|---|
| 412 | Jun 25th, 2003 J.Apostolakis - field-V05-01-06
|
|---|
| 413 | -----------------------------
|
|---|
| 414 | - Suppressed printing of statistics (by default) in MagIntegrationDriver.
|
|---|
| 415 | - Fix for unused variables warning in ChordFinder.
|
|---|
| 416 |
|
|---|
| 417 | Jun 24th, 2003 J.Apostolakis - field-V05-01-05
|
|---|
| 418 | -----------------------------
|
|---|
| 419 | - Fix for problems introduced in field-V05-01-03:
|
|---|
| 420 | o G4ChordFinder:
|
|---|
| 421 | - Fixed unitialised variable for next step (now used for optimisation).
|
|---|
| 422 | - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
|
|---|
| 423 | unitialised value.
|
|---|
| 424 |
|
|---|
| 425 | Jun 21st, 2003 J.Apostolakis - field-V05-01-04
|
|---|
| 426 | -----------------------------
|
|---|
| 427 | - G4FieldManager:
|
|---|
| 428 | o Revised into 'slightly' abstract class with one (new) virtual method:
|
|---|
| 429 | ConfigureForTrack( const G4Track *)
|
|---|
| 430 | to enable the user to configure it with different accuracy parameters
|
|---|
| 431 | depending on energy, particle id, volume, or other track state.
|
|---|
| 432 | Currently by default, no such configuration action is undertaken.
|
|---|
| 433 |
|
|---|
| 434 | Jun 21st, 2003 J.Apostolakis - field-V05-01-03
|
|---|
| 435 | -----------------------------
|
|---|
| 436 | - Revised G4ChordFinder:
|
|---|
| 437 | * FindNextChord now provides next Step estimate (for accuracy in Integr.)
|
|---|
| 438 | * AdvanceChordLimited to use
|
|---|
| 439 | - above extra argument to FindNextChord
|
|---|
| 440 | - the next Step argument as initial-step suggested to Accurate Advance
|
|---|
| 441 | - G4MagIntegratorDriver:
|
|---|
| 442 | * Added extra argument to Accurate Advance:
|
|---|
| 443 | hinitial: suggested initial step size
|
|---|
| 444 | - Note:
|
|---|
| 445 | * Purpose: performance boost with small/limited changes,
|
|---|
| 446 | including minor revisions of interfaces.
|
|---|
| 447 |
|
|---|
| 448 | Jun 20th, 2003 J.Apostolakis - field-V05-01-02
|
|---|
| 449 | -----------------------------
|
|---|
| 450 | - G4MagIntegratorDriver Quick Advance:
|
|---|
| 451 | o Took out two unneccessary square roots and two divisions.
|
|---|
| 452 | - Notes:
|
|---|
| 453 | 1) Pure magnetic, electric, spin field test are completed.
|
|---|
| 454 | 2) Purpose: performance boost with small changes.
|
|---|
| 455 |
|
|---|
| 456 | Jun 20th, 2003 J.Apostolakis - field-V05-01-01
|
|---|
| 457 | -----------------------------
|
|---|
| 458 | - G4MagIntegratorDriver:
|
|---|
| 459 | o Corrected neglected conversion to <std> from "G4std".
|
|---|
| 460 | - Migrated unit tests to <std>.
|
|---|
| 461 |
|
|---|
| 462 | Jun 19th, 2003 J.Apostolakis - field-V05-01-00
|
|---|
| 463 | -----------------------------
|
|---|
| 464 | - G4ChordFinder:
|
|---|
| 465 | o Corrected simple constructor to initialise several member variables
|
|---|
| 466 | including LastStepEstimate_Unconstrained.
|
|---|
| 467 | - G4MagIntegratorDriver:
|
|---|
| 468 | o Keep simple statistics on number of steps, total error and step size.
|
|---|
| 469 | o Took out an unneccessary square root (in loop).
|
|---|
| 470 | - NOTE: tests field0X are to be migrated.
|
|---|
| 471 | Purpose: fixes, small performance boost, simple statistics.
|
|---|
| 472 |
|
|---|
| 473 | Apr 2nd, 2003 G. Cosmo - field-V05-00-01
|
|---|
| 474 | ---------------------------
|
|---|
| 475 | - Created .cc files for G4MagneticField and G4ElecroMagneticField.
|
|---|
| 476 | - Fixed definition of copy constructors in fields inheritance chain.
|
|---|
| 477 | - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
|
|---|
| 478 | G4CashKarpRKF45 and G4ClassicalRK4.
|
|---|
| 479 | - Cleared strict pedantic warnings.
|
|---|
| 480 |
|
|---|
| 481 | Feb 5th, 2003 G. Cosmo - field-V05-00-00
|
|---|
| 482 | ---------------------------
|
|---|
| 483 | - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
|
|---|
| 484 | Now using directly CLHEP's headers.
|
|---|
| 485 |
|
|---|
| 486 | Dec 12th, 2002 G. Cosmo - field-V04-01-06
|
|---|
| 487 | ---------------------------
|
|---|
| 488 | - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
|
|---|
| 489 | method AccurateAdvance().
|
|---|
| 490 |
|
|---|
| 491 | Dec 06th, 2002 G. Cosmo - field-V04-01-05
|
|---|
| 492 | ---------------------------
|
|---|
| 493 | - Merged changes by Makoto for migration to new G4ApplicationState in
|
|---|
| 494 | messengers of unit tests.
|
|---|
| 495 |
|
|---|
| 496 | Nov 29th, 2002 J. Apostolakis - field-V04-01-04
|
|---|
| 497 | ---------------------------------
|
|---|
| 498 | Further fixes for unitialised variable - in other steppers:
|
|---|
| 499 | G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
|
|---|
| 500 |
|
|---|
| 501 | Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
|
|---|
| 502 | Test accuracy requirements for spin adjusted.
|
|---|
| 503 |
|
|---|
| 504 | Nov 20th, 2002 J. Apostolakis - field-V04-01-03
|
|---|
| 505 | ---------------------------------
|
|---|
| 506 | Further fixes for unitialised variables:
|
|---|
| 507 |
|
|---|
| 508 | * G4MagIntegratorStepper
|
|---|
| 509 | - Created instance variables for number of Integration, State variables
|
|---|
| 510 |
|
|---|
| 511 | * G4MagErrorStepper
|
|---|
| 512 | - Utilise number of State variables to initialise full state of Output.
|
|---|
| 513 |
|
|---|
| 514 | * G4Mag_SpinEqRhs
|
|---|
| 515 | - Initialise the values of dydx that we do not update.
|
|---|
| 516 |
|
|---|
| 517 | Note: Undoing these changes and the ones below would enable the user to see
|
|---|
| 518 | if undefined values are used in variables that he/she expects to
|
|---|
| 519 | have integrated.
|
|---|
| 520 | BUT the fix assists us to find truly undefined values elsewhere
|
|---|
| 521 | -- if they exist -- using valgrind.
|
|---|
| 522 |
|
|---|
| 523 | Nov 9th, 2002 J. Apostolakis - field-V04-01-02
|
|---|
| 524 | ---------------------------------
|
|---|
| 525 | Fixes to address use of uninitialised variable in seting values of FieldTrack
|
|---|
| 526 | (this was done by design, but was neither ideal or always well-behaved.)
|
|---|
| 527 | Changed:
|
|---|
| 528 |
|
|---|
| 529 | * G4MagIntegratorDriver
|
|---|
| 530 | - Added instance variables for number of Integration, State variables
|
|---|
| 531 | - Initialise all State variables of Output with values from initial variables.
|
|---|
| 532 | - Only the Integration variables will be integrated
|
|---|
| 533 |
|
|---|
| 534 | * G4ClassicalRK4 and G4MagErrorStepper
|
|---|
| 535 | - Copy the initial time to intermediate and output C-vectors,
|
|---|
| 536 | in order to provide a zero-eth estimate value.
|
|---|
| 537 | Note1: Should clean-up this fix, making it similar to Driver (above)
|
|---|
| 538 | Note2: Should *not* be used for time varying field unless created
|
|---|
| 539 | with at least 8 integration variables
|
|---|
| 540 | ---------------------------------
|
|---|
| 541 | G4ChordFinder.cc
|
|---|
| 542 | - Correction from zero dChord
|
|---|
| 543 | which is does not update the Unconstrained step estimate (state)
|
|---|
| 544 | - Added instance variables to store number of calls and chord-trials
|
|---|
| 545 | and new print method for 'debugging'
|
|---|
| 546 |
|
|---|
| 547 | G4Mag_UsualEqRhs.cc
|
|---|
| 548 | - Attempted approximations for speedup *overwritten* by full inverse sqrt.
|
|---|
| 549 |
|
|---|
| 550 |
|
|---|
| 551 | Oct 29th, 2002 J. Apostolakis - test-V04-01-02
|
|---|
| 552 | --------------------------------
|
|---|
| 553 | - Changed output of tests for small output change (GeV->MeV)
|
|---|
| 554 |
|
|---|
| 555 | Oct 29th, 2002 J. Apostolakis - test-V04-01-02
|
|---|
| 556 | --------------------------------
|
|---|
| 557 | - (Only changed and tagged test subdirectory)
|
|---|
| 558 | Changed tests to use the new method SetChargeMomentumMass of
|
|---|
| 559 | PropagatorInField in order to be ready for its full use in
|
|---|
| 560 | G4PropagatorInField.
|
|---|
| 561 | (A key problem at end-July was this non-preparedness of the unit tests.)
|
|---|
| 562 |
|
|---|
| 563 | Jul 24th, 2002 G. Cosmo - field-V04-01-01
|
|---|
| 564 | --------------------------
|
|---|
| 565 | - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
|
|---|
| 566 | fDefault_Delta_Intersection_Val normal constants (not static) to
|
|---|
| 567 | resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
|
|---|
| 568 | Fixes problem report #383.
|
|---|
| 569 |
|
|---|
| 570 | Jul 23rd, 2002 G. Cosmo - field-V04-01-00
|
|---|
| 571 | --------------------------
|
|---|
| 572 | - G4MagIntegratorDriver.cc: cleared warning of unused variable.
|
|---|
| 573 | Protected variable 'nStpPr' with G4DEBUG_FIELD.
|
|---|
| 574 | - Updated reference outputs and some other updates to unit tests.
|
|---|
| 575 |
|
|---|
| 576 | Jun 25th, 2002 J. Apostolakis - field-V04-00-05
|
|---|
| 577 | --------------------------------
|
|---|
| 578 | - G4ChordFinder.cc
|
|---|
| 579 | In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
|
|---|
| 580 | (it was treated the same as stepTrial << old)
|
|---|
| 581 | Added guard for stepTrial==0.0 in FindNextChord
|
|---|
| 582 | - G4MagIntegratorDriver.cc
|
|---|
| 583 | Added protection against error of 0.0 in ComputeNewStepSize.
|
|---|
| 584 |
|
|---|
| 585 | - G4EquationOfMotion
|
|---|
| 586 | Made RightHandSide an inline method
|
|---|
| 587 | In GetFieldValue signature of Point is double[4], instead of double[3]
|
|---|
| 588 | Defined G4maximum_number_of_field_components as enum
|
|---|
| 589 |
|
|---|
| 590 | Jun 7th, 2002 J. Apostolakis - field-V04-00-04
|
|---|
| 591 | --------------------------------
|
|---|
| 592 | - G4Mag_SpinEqRhs.cc
|
|---|
| 593 | o Fix to momentum component of Rhs.
|
|---|
| 594 |
|
|---|
| 595 | May 31st, 2002 J. Apostolakis - field-V04-00-03
|
|---|
| 596 | --------------------------------
|
|---|
| 597 | - G4MagHelicalStepper.icc
|
|---|
| 598 | o Fix to LinearStep (correcting previous fix/cosmetic)
|
|---|
| 599 | - G4ChordFinder.cc
|
|---|
| 600 | o Corrective behaviour for very small or large changes of 'new step'
|
|---|
| 601 | [observed in complex 3-d fields (purging magnet), or
|
|---|
| 602 | approximate equations of motion ]
|
|---|
| 603 | - G4MagIntegratorDriver
|
|---|
| 604 | o More information in debug printing (tangent cosine, norm)
|
|---|
| 605 |
|
|---|
| 606 | May 7th, 2002 J. Apostolakis
|
|---|
| 607 | --------------------------------
|
|---|
| 608 | - G4MagIntegratorDriver - ( on trunk )
|
|---|
| 609 | * Fix to update the field track for steps smaller than the chord finder's
|
|---|
| 610 | minstep.
|
|---|
| 611 |
|
|---|
| 612 |
|
|---|
| 613 | April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
|
|---|
| 614 | --------------------------------
|
|---|
| 615 | - G4MagIntegratorDriver.hh,cc (on trunk)
|
|---|
| 616 | * Bug fix: last step can now only be triggerred if x+h > x2.
|
|---|
| 617 | * Debugging methods improved.
|
|---|
| 618 |
|
|---|
| 619 | May 7th, 2002 J. Apostolakis - field-V04-00-02
|
|---|
| 620 | --------------------------------
|
|---|
| 621 | Tag including only two changes below:
|
|---|
| 622 | - Putting aside the other fixes/changes (as the one above) to
|
|---|
| 623 | G4MagIntegratorDriver, tagging only the fix to update the field track
|
|---|
| 624 | for steps smaller than the chord finder's minstep.
|
|---|
| 625 |
|
|---|
| 626 | May 7th, 2002 J. Apostolakis
|
|---|
| 627 | --------------------------------
|
|---|
| 628 | - G4MagIntegratorDriver - ** branch ** on 1.20 **
|
|---|
| 629 | * Fix to update the field track for steps smaller than the chord finder's
|
|---|
| 630 | minstep.
|
|---|
| 631 |
|
|---|
| 632 | May 7th, 2002 J. Apostolakis
|
|---|
| 633 | --------------------------------
|
|---|
| 634 | - G4MagIntegratorStepper
|
|---|
| 635 | * Changed RightHandSide from a virtual method to an inline (non-virtual)
|
|---|
| 636 | method -- it is not and should not be changed by derived classes.
|
|---|
| 637 |
|
|---|
| 638 | Mar 28th, 2002 J. Apostolakis - field-V04-00-01
|
|---|
| 639 | -----------------------
|
|---|
| 640 | - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
|
|---|
| 641 | that had not been updated for new integration variable (momentum).
|
|---|
| 642 | --> found in testing helical steppers in BaBar setup,
|
|---|
| 643 | in region of negligible field.
|
|---|
| 644 |
|
|---|
| 645 | - Changed maximum number of steps in driver,
|
|---|
| 646 | halving from 500/order to 250/order.
|
|---|
| 647 |
|
|---|
| 648 | Mar 28th, 2002 J. Apostolakis
|
|---|
| 649 | -----------------------
|
|---|
| 650 | - Committed directory "OtherField" with examples of fields,
|
|---|
| 651 | Delphi, Quadropole etc.
|
|---|
| 652 |
|
|---|
| 653 | - Updated outputs of testPropagateMagField for new version of source,
|
|---|
| 654 | that has 3rd test case.
|
|---|
| 655 |
|
|---|
| 656 | - Added new runs and outputs for testProElectroMagField, with
|
|---|
| 657 | several steppers, and modified test script test.sh accordingly.
|
|---|
| 658 |
|
|---|
| 659 |
|
|---|
| 660 | Feb 2nd, 2002 V. Grichine
|
|---|
| 661 | ------------------------
|
|---|
| 662 | Update of test/field02 to utilise new features
|
|---|
| 663 | - for Electric Field, to signal that a field modifies the energy;
|
|---|
| 664 | - updating of time by integration, for time dependent fields.
|
|---|
| 665 |
|
|---|
| 666 | Jan 10th, 2002 G. Cosmo - field-V04-00-00
|
|---|
| 667 | ------------------------
|
|---|
| 668 | - Activated G4DEBUG_FIELD in GNUmakefile.
|
|---|
| 669 |
|
|---|
| 670 | Jan 7th, 2002 J. Apostolakis
|
|---|
| 671 | -----------------------------
|
|---|
| 672 | - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
|
|---|
| 673 |
|
|---|
| 674 | Dec 4th, 2001 G. Cosmo - field-V03-02-08
|
|---|
| 675 | -----------------------
|
|---|
| 676 | - Fixed interface to virtual functions in the inheritance chain.
|
|---|
| 677 | Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
|
|---|
| 678 | of G4Field which may act as base class for user-defined fields.
|
|---|
| 679 | Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
|
|---|
| 680 | G4UniformMagField.hh.
|
|---|
| 681 | - G4ChordFinder.cc: the unphysical curve length exception has been moved to
|
|---|
| 682 | inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
|
|---|
| 683 | - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
|
|---|
| 684 | is returned (V.Grichine).
|
|---|
| 685 |
|
|---|
| 686 | Nov 28th, 2001 J. Apostolakis - field-V03-02-07
|
|---|
| 687 | ------------------------------
|
|---|
| 688 | G4FieldManager
|
|---|
| 689 | - Added fFieldChangesEnergy data member and get/set methods
|
|---|
| 690 | ( required to allow transportation to know how to calculate end-time,
|
|---|
| 691 | enabling the integration of time only for electric fields. )
|
|---|
| 692 |
|
|---|
| 693 | Nov 28th, 2001 J. Apostolakis - field-V03-02-06
|
|---|
| 694 | ------------------------------
|
|---|
| 695 | Small fixes only:
|
|---|
| 696 |
|
|---|
| 697 | G4CashKarpRKF45
|
|---|
| 698 | - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
|
|---|
| 699 |
|
|---|
| 700 | G4EqMagElectricField
|
|---|
| 701 | - bug fixed in the formula for inverse velocity (-> V. Grichine)
|
|---|
| 702 |
|
|---|
| 703 | Nov 21st, 2001 G. Cosmo - field-V03-02-05
|
|---|
| 704 | ------------------------
|
|---|
| 705 | - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
|
|---|
| 706 | (V.Grichine).
|
|---|
| 707 | - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
|
|---|
| 708 | - Updates to unit test field02.
|
|---|
| 709 |
|
|---|
| 710 | Nov 13th, 2001 G. Cosmo - field-V03-02-04
|
|---|
| 711 | ------------------------
|
|---|
| 712 | - Removed warnings on gcc-2.95.2.
|
|---|
| 713 | - Included unit tests field01, field02, field03.
|
|---|
| 714 |
|
|---|
| 715 | Nov 9th, 2001 J. Apostolakis - field-V03-02-03
|
|---|
| 716 | -----------------------------
|
|---|
| 717 | Motivated by the use case of an Electric Field,
|
|---|
| 718 | - in order to achieve reasonable accuracy in time integration,
|
|---|
| 719 | - and to enable fields that vary with the global time)
|
|---|
| 720 | we (John Ap. and V. Grichine) changed the following:
|
|---|
| 721 |
|
|---|
| 722 | - Modified G4Field to allow the time in the GetFieldValue method
|
|---|
| 723 | - as 4th component of the "position" array.
|
|---|
| 724 |
|
|---|
| 725 | - Modified EquationOfMotion to provide the time to the GetFieldValue method
|
|---|
| 726 | of G4Field
|
|---|
| 727 | * as the 4th component of a position / time 4-array
|
|---|
| 728 | * in place of only position as a 3-arry
|
|---|
| 729 |
|
|---|
| 730 | - Added the global time as variable to be integrated over in the
|
|---|
| 731 | case of an Electric Field
|
|---|
| 732 |
|
|---|
| 733 | Support for these modifications is required in G4Transportation.
|
|---|
| 734 |
|
|---|
| 735 | (Better support will require either
|
|---|
| 736 | - a modification in G4FieldTrack to indicate whether the time has been
|
|---|
| 737 | integrated or not.
|
|---|
| 738 | - or additionally making the time calculation a property of G4FieldTrack,
|
|---|
| 739 | bring in code to do it in from G4Transportation.)
|
|---|
| 740 |
|
|---|
| 741 |
|
|---|
| 742 | Nov 8th, 2001 J. Apostolakis - field-V03-02-02
|
|---|
| 743 | ------------------------
|
|---|
| 744 | - Introduced several changes in G4MagIntegratorDriver.
|
|---|
| 745 |
|
|---|
| 746 | It now respects its minimum driver step size in AccurateAdvance.
|
|---|
| 747 | * whereas before it did not.
|
|---|
| 748 |
|
|---|
| 749 | Modified maximum number of steps, lowering by factor of 10.
|
|---|
| 750 | -> it should reduce the time spent integrating low energy particles,
|
|---|
| 751 | in some cases where it is unneccessary.
|
|---|
| 752 |
|
|---|
| 753 | Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
|
|---|
| 754 |
|
|---|
| 755 |
|
|---|
| 756 | Nov 05th, 2001 G. Cosmo - field-V03-02-01
|
|---|
| 757 | ------------------------
|
|---|
| 758 | - Fixed trivial warnings on Linux-g++.
|
|---|
| 759 |
|
|---|
| 760 | Aug 27th, 2001 J. Apostolakis - field-V03-02-00
|
|---|
| 761 | ------------------------------
|
|---|
| 762 | Tagged last change.
|
|---|
| 763 | This tag is utilised in transport-V03-02-01 (which requires it).
|
|---|
| 764 |
|
|---|
| 765 | Aug 16th, 2001 J. Apostolakis
|
|---|
| 766 | ------------------------------
|
|---|
| 767 | G4ChordFinder:
|
|---|
| 768 | Added method to erase/reset the state of the StepEstimate.
|
|---|
| 769 | This is unwanted internal state that was carried between tracks and
|
|---|
| 770 | events as a side effect.
|
|---|
| 771 |
|
|---|
| 772 | Calling this at the start of each track, it is now possible to
|
|---|
| 773 | eliminate a non-repeatability that was possible due to this.
|
|---|
| 774 | ( It has been observed in particular in vaccuum. )
|
|---|
| 775 |
|
|---|
| 776 | May 23rd, 2001 J. Apostolakis - field-V03-01-02
|
|---|
| 777 | ------------------------------
|
|---|
| 778 | - Added Exception to G4RKG3Stepper constructor: the class does not work
|
|---|
| 779 |
|
|---|
| 780 | May 23rd, 2001 J. Apostolakis - field-V03-01-01
|
|---|
| 781 | ------------------------------
|
|---|
| 782 | - Fixed G4FieldManager constructors to give default values to delta
|
|---|
| 783 | parameters.
|
|---|
| 784 |
|
|---|
| 785 | - Updated testPropagateSpin (it now compiles),
|
|---|
| 786 | and some outputs of testPropagateMagField (1 to 5)
|
|---|
| 787 |
|
|---|
| 788 |
|
|---|
| 789 | Apr 12th, 2001 P. Gumplinger - field-V03-01-00
|
|---|
| 790 | -----------------------------
|
|---|
| 791 | - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
|
|---|
| 792 | to spin tracking.
|
|---|
| 793 |
|
|---|
| 794 | Apr 04th, 2001 G. Cosmo - field-V03-00-05
|
|---|
| 795 | ------------------------
|
|---|
| 796 | - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
|
|---|
| 797 |
|
|---|
| 798 | Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
|
|---|
| 799 | ------------------------------
|
|---|
| 800 | - Electric Field unit test now works: test runs until completion.
|
|---|
| 801 | Test outputs saved (on Linux).
|
|---|
| 802 |
|
|---|
| 803 | - Fixed src/G4UniformElectricField.cc to set correct field components
|
|---|
| 804 | (compatible with Equation of Motion
|
|---|
| 805 | G4EqMagElectricField )
|
|---|
| 806 |
|
|---|
| 807 | - Tidied G4FieldTrack
|
|---|
| 808 | * deleted obsolete methods Set/Get MomentumModulus() and its data member.
|
|---|
| 809 | * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
|
|---|
| 810 | if pSpin is null. (It was undefined.)
|
|---|
| 811 |
|
|---|
| 812 | Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
|
|---|
| 813 | ------------------------------
|
|---|
| 814 | - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
|
|---|
| 815 |
|
|---|
| 816 | - Modified G4MagIntegratorStepper
|
|---|
| 817 | to use pointer to G4EquationOfMotion
|
|---|
| 818 | instead of G4Mag_EqRhs
|
|---|
| 819 |
|
|---|
| 820 | - Design iteration appears neccessary
|
|---|
| 821 |
|
|---|
| 822 | Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
|
|---|
| 823 | ------------------------------
|
|---|
| 824 | - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
|
|---|
| 825 | the possibility of (correct) use of all Helical Steppers.
|
|---|
| 826 |
|
|---|
| 827 | - test/testProElectroMagField.cc updated for momentum.
|
|---|
| 828 | (Not yet updated: Spin tests)
|
|---|
| 829 |
|
|---|
| 830 |
|
|---|
| 831 | Mar 19th, 2001 J. Apostolakis - field-V03-00-01
|
|---|
| 832 | ------------------------------
|
|---|
| 833 | - Tagging the modification of several classes to integrate in momentum*c_light
|
|---|
| 834 | instead of velocity.
|
|---|
| 835 | Reason for change: Velocity integration can result in superluminar
|
|---|
| 836 | velocities, due to arithmetic inaccuracies.
|
|---|
| 837 | Classes modified:
|
|---|
| 838 | G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
|
|---|
| 839 | G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
|
|---|
| 840 |
|
|---|
| 841 | Feb 20th, 2001 J. Apostolakis
|
|---|
| 842 |
|
|---|
| 843 | - Modified several classes to integrate in momentum instead of velocity.
|
|---|
| 844 |
|
|---|
| 845 | G4FieldTrack:
|
|---|
| 846 | Changed components 3,4,5 of SixVector to Momentum,
|
|---|
| 847 | Modified constructor
|
|---|
| 848 | Added energy calculation to "LoadFromArray" method
|
|---|
| 849 | GetEnergy method is now implemented.
|
|---|
| 850 | Deleted obsolete (old) method names for Curve and Position. New have "Get"
|
|---|
| 851 |
|
|---|
| 852 | G4ChordFinder
|
|---|
| 853 | Renamed old-method names of Field Track to new ones.
|
|---|
| 854 |
|
|---|
| 855 | Jan 29th, 2001 G. Cosmo - field-V03-00-00
|
|---|
| 856 | -------------------------
|
|---|
| 857 |
|
|---|
| 858 | - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
|
|---|
| 859 | copy constructor. Fixes report #205.
|
|---|
| 860 |
|
|---|
| 861 | Nov 20th, 2000 G. Cosmo - field-V02-00-02
|
|---|
| 862 |
|
|---|
| 863 | - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
|
|---|
| 864 | o commented out variables declared and not used.
|
|---|
| 865 | o fixed declaration of variables used before being initialised.
|
|---|
| 866 | o fixed order of initialisation of member data in constructors.
|
|---|
| 867 | o fixed usage of unsigned-int (size_t) for array indeces.
|
|---|
| 868 |
|
|---|
| 869 | Nov 9th, 2000 G. Cosmo - field-V02-00-01
|
|---|
| 870 |
|
|---|
| 871 | - G4FieldManager: added check on existence of allocated fChordFinder
|
|---|
| 872 | in CreateChordFinder(G4MagneticField*) method.
|
|---|
| 873 |
|
|---|
| 874 | Nov 1st, 2000 G. Cosmo - field-V02-00-00
|
|---|
| 875 |
|
|---|
| 876 | - QA code revision and cleanup (+fixes from CodeWizard filtering):
|
|---|
| 877 | o Added (private) declarations of copy constructor and assignment operator
|
|---|
| 878 | where needed.
|
|---|
| 879 | o Added "const" qualifier to accessor methods, wherever needed.
|
|---|
| 880 | o Added equality check on operator= where needed.
|
|---|
| 881 | o Made destructor "virtual" for classes having virtual methods,
|
|---|
| 882 | wherever missing.
|
|---|
| 883 | o Changed virtual functions to non-inline wherever's the case.
|
|---|
| 884 | o Changed return value to be "const" pointer to functions:
|
|---|
| 885 | - G4EquationOfMotion::GetFieldObj()
|
|---|
| 886 | - G4FieldManager::GetDetectorField()
|
|---|
| 887 | - G4MagIntegratorDriver::GetStepper()
|
|---|
| 888 | o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
|
|---|
| 889 | o Added "inline" qualifier to methods' declarations.
|
|---|
| 890 | o General cosmetics
|
|---|
| 891 |
|
|---|
| 892 | Jun 2nd, 2000 J. Apostolakis
|
|---|
| 893 | - G4FieldManager[.hh.icc]
|
|---|
| 894 | o Added DeltaIntersection and DeltaOneStep to FieldManager: added
|
|---|
| 895 | Get/Set methods and SetAccuraciesWithDeltaOneStep().
|
|---|
| 896 |
|
|---|
| 897 | May 31st, 2000 J. Apostolakis - field-V01-01-03
|
|---|
| 898 |
|
|---|
| 899 | include/G4FieldManager.hh,icc
|
|---|
| 900 | o Moved Delta Intersection and Delta One Step to FieldManager
|
|---|
| 901 | (from Propagator in Field), to allow them to differ over the detector.
|
|---|
| 902 |
|
|---|
| 903 | May 11th, 2000 J. Apostolakis - field-V01-01-02
|
|---|
| 904 |
|
|---|
| 905 | - G4ChordFinder[.hh.cc]
|
|---|
| 906 | o Modified method for finding new trial step.
|
|---|
| 907 | New method assumes a quadratic relationship between step-length and d_chord:
|
|---|
| 908 | d_chord proportional to step-lenght ^ 2
|
|---|
| 909 | o Added two small refinement in order to avoid unneccesary extra step due to
|
|---|
| 910 | small numerical inaccuracies in estimation:
|
|---|
| 911 | FindNextChord
|
|---|
| 912 | to first step use (1-0.001) * last-step-estimate
|
|---|
| 913 | New Step:
|
|---|
| 914 | to subsequent step use trial_step = 0.98 * estimate
|
|---|
| 915 |
|
|---|
| 916 | May 10th, 2000 G. Cosmo
|
|---|
| 917 |
|
|---|
| 918 | - G4MagneticField.hh: minor fix to dummy implementation of assignment
|
|---|
| 919 | operator.
|
|---|
| 920 |
|
|---|
| 921 | May 9th, 2000 J. Apostolakis - field-V01-01-01
|
|---|
| 922 |
|
|---|
| 923 | - G4MagErrorStepper:
|
|---|
| 924 | Modified DistChord to check whether the chord endpoint are the same point.
|
|---|
| 925 |
|
|---|
| 926 | - G4RKG3_Stepper:
|
|---|
| 927 | Deleted error message from StepNoErr, as it is used in Stepper.
|
|---|
| 928 |
|
|---|
| 929 | - G4MagIntegratorDriver:
|
|---|
| 930 | Changed the condition for the debug output (~cosmetic)
|
|---|
| 931 |
|
|---|
| 932 |
|
|---|
| 933 | April 27th, 2000 G. Cosmo
|
|---|
| 934 |
|
|---|
| 935 | - Reorganised comments for the Software Reference Manual.
|
|---|
| 936 | - Moved inlined definition to .icc files, where needed.
|
|---|
| 937 | Created: G4ChordFinder.icc and G4FieldManager.icc.
|
|---|
| 938 |
|
|---|
| 939 | April 13th, 2000 J. Apostolakis - field-V01-01-00
|
|---|
| 940 |
|
|---|
| 941 | - Modified signature to function DumbStepper() in classes:
|
|---|
| 942 | G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
|
|---|
| 943 | G4HelixSimpleRunge and G4MagHelicalStepper.
|
|---|
| 944 | - Modified signature and implementation of function MagFieldEvaluate()
|
|---|
| 945 | in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
|
|---|
| 946 | - Made Richardson extrapolation optional (it is unclear if
|
|---|
| 947 | it offers benefit) in G4MagHelicalStepper.
|
|---|
| 948 | - Updated unit test testPropagateMagField and reference output.
|
|---|
| 949 | - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
|
|---|
| 950 | (V.Grichine).
|
|---|
| 951 |
|
|---|
| 952 | January 19th, 2000 G. Cosmo - field-V01-00-00
|
|---|
| 953 |
|
|---|
| 954 | Syncronized versioning of files with HEAD after ISO-C++ migration
|
|---|
| 955 | (essentially CVS header changes).
|
|---|
| 956 |
|
|---|
| 957 | December 7th, 1999 J. Apostolakis - field-V00-01-01a
|
|---|
| 958 |
|
|---|
| 959 | For negative or very small curve lengths (h) we suppress writing an error
|
|---|
| 960 | (about the distance of endpoints being further than the curve length),
|
|---|
| 961 | as it is meaningless.
|
|---|
| 962 |
|
|---|
| 963 | November 23rd, 1999 J. Apostolakis - field-V00-01-01
|
|---|
| 964 |
|
|---|
| 965 | Tagged this sub-category's state in geometry-V00-01-01
|
|---|
| 966 |
|
|---|
| 967 |
|
|---|
| 968 | July 6th, 1999 J. Apostolakis - field-01-00-07
|
|---|
| 969 |
|
|---|
| 970 | These fixes and those in field-01-00-06 and field-01-00-06a all come
|
|---|
| 971 | from the need to cope with the imprecision of the integration, and its
|
|---|
| 972 | interaction with paths that are rather straight.
|
|---|
| 973 |
|
|---|
| 974 | G4MagIntegrationDriver:
|
|---|
| 975 | i) AccurateAdvance now that the chord distance is smaller than the curve len-
|
|---|
| 976 | gth (times 1+epsilon).
|
|---|
| 977 |
|
|---|
| 978 | ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
|
|---|
| 979 | the error of the position - and ensure that both relative errors are within
|
|---|
| 980 | the "eps" maximum given.
|
|---|
| 981 |
|
|---|
| 982 | G4ChordFinder:
|
|---|
| 983 | Having found that the curve_length vs ABdist disrepancy has its basis in
|
|---|
| 984 | the imprecision of the integration:
|
|---|
| 985 | i) Modified the exception in this case to happen only for very large
|
|---|
| 986 | relative disrepancies ( 10 * eps ).
|
|---|
| 987 | ii) Undertaken a default corrective action in all other cases
|
|---|
| 988 | Note that this disrepancy only happens for very straight sections of track -
|
|---|
| 989 | ie step lengths much smaller than the curvature of the track.
|
|---|
| 990 |
|
|---|
| 991 | July 1st, 1999 J. Apostolakis - field-01-00-06a
|
|---|
| 992 |
|
|---|
| 993 | In order to cope with the anomalous condition created by candidate fix
|
|---|
| 994 | in G4PropagatorInField, we ensure that the fraction_AE is always between
|
|---|
| 995 | 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
|
|---|
| 996 | ( in G4ChordFinder::ApproxCurvePointV )
|
|---|
| 997 |
|
|---|
| 998 | June 29th, 1999 J. Apostolakis - field-01-00-06
|
|---|
| 999 |
|
|---|
| 1000 | I re-instated a check on whether the input distance along the curve between
|
|---|
| 1001 | the two input curve points is truly greater than their linear distance.
|
|---|
| 1002 | ( in G4ChordFinder::ApproxCurvePointV )
|
|---|
| 1003 |
|
|---|
| 1004 | The condition that prints out a warning message has been altered to
|
|---|
| 1005 | take into account the case of a very small final interval.
|
|---|
| 1006 | ( in G4MagInt_Driver::AccurateAdvance )
|
|---|
| 1007 |
|
|---|
| 1008 | June ??th, 1999 J. Apostolakis - field-01-00-05
|
|---|
| 1009 |
|
|---|
| 1010 | The condition that prints out a warning message was changed to delete
|
|---|
| 1011 | an incorrect comparison.
|
|---|
| 1012 | ( in G4MagInt_Driver::AccurateAdvance )
|
|---|
| 1013 |
|
|---|
| 1014 | April 19th, 1999 J. Apostolakis - field-01-00-04
|
|---|
| 1015 |
|
|---|
| 1016 | G4MagErrorStepper: Cosmetic changes to name of data members
|
|---|
| 1017 |
|
|---|
| 1018 | March 4th, 1999 J. Apostolakis - field-01-00-03
|
|---|
| 1019 |
|
|---|
| 1020 | Corrected delete statement of arrays to use 'delete[]' instead of simple delete
|
|---|
| 1021 | in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
|
|---|
| 1022 |
|
|---|
| 1023 | February 17th, 1999 J. Apostolakis - field-01-00-02
|
|---|
| 1024 |
|
|---|
| 1025 | Moved G4PropagatorInField files to geometry/volumes.
|
|---|
| 1026 | Updated GNUmakefile not to depend on geometry/volumes anymore.
|
|---|
| 1027 | -> the known circular dependency is removed
|
|---|
| 1028 |
|
|---|
| 1029 |
|
|---|
| 1030 | February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
|
|---|
| 1031 |
|
|---|
| 1032 | A tag that contains the first version that worked with spin (in Peter G.'s
|
|---|
| 1033 | directory). G4PropagateInSpin is still in this version. A small change
|
|---|
| 1034 | in a branch of the header file was needed.
|
|---|
| 1035 |
|
|---|
| 1036 |
|
|---|
| 1037 | February 10th, 1999 J. Apostolakis
|
|---|
| 1038 |
|
|---|
| 1039 | All the following changes are needed for energy integration also:
|
|---|
| 1040 |
|
|---|
| 1041 | G4ChordFinder now passes to the constructed driver the number of variables.
|
|---|
| 1042 | Because of the need for the stepper to know about it in its Abstract interface
|
|---|
| 1043 |
|
|---|
| 1044 | -> Moved theNumberOfVariables from derived class G4MagErrorStepper
|
|---|
| 1045 | to base class G4MagIntegratorStepper
|
|---|
| 1046 |
|
|---|
| 1047 | As a consequense the classes that derived from G4MagIntegratorStepper directly
|
|---|
| 1048 | were changed: G4CashKarpRKF45, G4MagHelicalStepper,
|
|---|
| 1049 |
|
|---|
| 1050 |
|
|---|
| 1051 | February 9th, 1999 J. Apostolakis
|
|---|
| 1052 |
|
|---|
| 1053 | Equation of Motion:
|
|---|
| 1054 | G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
|
|---|
| 1055 | can initialise its constants too.
|
|---|
| 1056 |
|
|---|
| 1057 |
|
|---|
| 1058 | February 9th, 1999 P. Gumplinger
|
|---|
| 1059 |
|
|---|
| 1060 | Added Equation of Motion for Spin in Magnetic Field.
|
|---|
| 1061 |
|
|---|
| 1062 |
|
|---|
| 1063 | February 17th, 1999 J. Apostolakis - field-01-00-01
|
|---|
| 1064 | ---> date is correct, made sure that tag does not include above fixes!
|
|---|
| 1065 |
|
|---|
| 1066 | Moved G4PropagatorInField files to geometry/volumes.
|
|---|
| 1067 | Updated GNUmakefile not to depend on geometry/volumes anymore.
|
|---|
| 1068 | -> the known circular dependency is removed
|
|---|
| 1069 |
|
|---|
| 1070 |
|
|---|
| 1071 | ---------------------------------------------------------------------------
|
|---|
| 1072 | ------ Geant 4 Production Release ------------
|
|---|
| 1073 | --------------------------------------------------------------------------
|
|---|
| 1074 | Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
|
|---|
| 1075 |
|
|---|
| 1076 | G4PropagatorInField files modified:
|
|---|
| 1077 |
|
|---|
| 1078 | - to store the last safety computed and its origin.
|
|---|
| 1079 | - to give them to a requester
|
|---|
| 1080 | ------------------------------------------------------------------
|
|---|
| 1081 |
|
|---|
| 1082 | Nov 19th, 1998 J. Apostolakis - field-00-03-03b
|
|---|
| 1083 |
|
|---|
| 1084 | Subtle fix to interface of G4UniformMagField::GetFieldValue
|
|---|
| 1085 | ( that tripped Visual C++ )
|
|---|
| 1086 |
|
|---|
| 1087 | G4PropagatorInField: added printing method for verboseness.
|
|---|
| 1088 |
|
|---|
| 1089 | Nov 19th, 1998 J. Apostolakis - field-00-03-03a
|
|---|
| 1090 |
|
|---|
| 1091 | Steppers: Fixed instance variables construction (SimpleRunge)
|
|---|
| 1092 | and clash of names in CashKarp::StepWithEstimate
|
|---|
| 1093 |
|
|---|
| 1094 | Added post-const to all Field classes for
|
|---|
| 1095 | void GetFieldValue(const G4double yTrack[] ,
|
|---|
| 1096 | G4double B[] ) const ;
|
|---|
| 1097 |
|
|---|
| 1098 | Added SetFieldValue methods to UniformMagField
|
|---|
| 1099 |
|
|---|
| 1100 | Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
|
|---|
| 1101 |
|
|---|
| 1102 |
|
|---|
| 1103 | Nov 19th, 1998 J. Apostolakis - field-00-03-03
|
|---|
| 1104 |
|
|---|
| 1105 | Fixes to Propagate and Steppers
|
|---|
| 1106 |
|
|---|
| 1107 | Nov 19th, 1998 J. Apostolakis - field-00-03-02
|
|---|
| 1108 |
|
|---|
| 1109 | Minor corrections (???)
|
|---|
| 1110 |
|
|---|
| 1111 | Nov 19th, 1998 J. Apostolakis - field-00-03-02
|
|---|
| 1112 |
|
|---|
| 1113 | Major development to allow Electric Field
|
|---|
| 1114 |
|
|---|
| 1115 |
|
|---|
| 1116 |
|
|---|
| 1117 | June 17th, 1998 J. Apostolakis - magfield-06-03
|
|---|
| 1118 |
|
|---|
| 1119 | Modified Files:
|
|---|
| 1120 | include/G4PropagatorInField.hh
|
|---|
| 1121 | src/G4PropagatorInField.cc
|
|---|
| 1122 | test/testPropagateInField.cc
|
|---|
| 1123 | ----------------------------------------------------------------------
|
|---|
| 1124 |
|
|---|
| 1125 | 1) Added an assertion after each call to LocateGlobalPointAndSetup.
|
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| 1126 | It checks that the located volume is equal to the current volume.
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| 1127 | If this check fails, the Propagator does not know how to continue.
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| 1128 |
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| 1129 | 2) Added an argument to ComputeStep method of G4PropagatorInField.
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| 1130 | The new volume argument is used to check the current volume during the step.
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| 1131 |
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| 1132 | 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
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| 1133 | used to be treated as a failure to intersect. This is incorrect.
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| 1134 |
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| 1135 | stepLength==stepRequested is an intersection,
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| 1136 | so I am now treating it as such in each comparison (of 3).
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| 1137 | Ignoring it causes problems, including volume being skipped.
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| 1138 | --> but treating it as an intersection used to cause problems too ??
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| 1139 |
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| 1140 |
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| 1141 | May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
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| 1142 |
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| 1143 | - Tag includes new version of G4ChordFinder (not used by W.Wander).
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| 1144 |
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| 1145 |
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| 1146 | May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
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| 1147 |
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| 1148 | - New "helical" RK steppers that move in helical segments, not linear.
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| 1149 | * Several changes to add steppers
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| 1150 |
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| 1151 | Modified Files:
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| 1152 | G4MagErrorStepper.hh
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| 1153 | G4MagErrorStepper.cc
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| 1154 | added Helical stepping methods to this general ABC.
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| 1155 |
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| 1156 | G4MagIntegratorStepper.hh
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| 1157 | made RightHandSide virtual (this will be reversed very soon)
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| 1158 |
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| 1159 | testPropagateMagField.cc
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| 1160 | Test of Helical stepping functionality added.
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| 1161 |
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| 1162 | Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
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| 1163 | G4HelixExplicitEuler.cc ( and .hh )
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| 1164 | G4HelixHeum.cc
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| 1165 | G4HelixImplicitEuler.cc
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| 1166 | G4HelixSimpleRunge.cc
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| 1167 |
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| 1168 | Added File for implementation:
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| 1169 | G4MagErrorStepper.icc
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| 1170 |
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| 1171 |
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| 1172 | May 7th, 1998 J. Apostolakis - magfield-06-01
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| 1173 |
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| 1174 | - added small changes to
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| 1175 | * G4ChordFinder: methods to get/set IntegratorDriver
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| 1176 | * G4MagIntegratorDriver: made OneGoodStep method public
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| 1177 | - created the file.
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| 1178 |
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