Geant4 Cross Reference

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Geant4/geometry/magneticfield/History

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Diff markup

Differences between /geometry/magneticfield/History (Version 11.3.0) and /geometry/magneticfield/History (Version 8.3)

  1 # Category field History                       <<   1 $Id: History,v 1.117 2007/05/10 10:11:08 japost Exp $
  2                                                <<   2 -------------------------------------------------------------------
  3 See `CONTRIBUTING.rst` for details of **requir << 
  4 which **must** added in reverse chronological  << 
  5 It must **not** be used as a substitute for wr << 
  6                                                << 
  7 ---------------------------------------------- << 
  8                                                << 
  9 ## 2024-11-26 Ivana Hrivnacova (field-V11-02-0 << 
 10 - Better names for the G4EquationType enum con << 
 11                                                << 
 12 ## 2024-11-04 Philippe Canal (field-V11-02-05) << 
 13 - Improve stability of static initialization f << 
 14   StepperDescription() in G4DormandPrince745.  << 
 15                                                << 
 16 ## 2024-09-10 Ivana Hrivnacova (field-V11-02-0 << 
 17 - Coverity fixes:                              << 
 18   - Use std::move, const auto& instead of auto << 
 19                                                << 
 20 ## 2024-06-20 Ivana Hrivnacova (field-V11-02-0 << 
 21 - Fix in G4FieldBuilder for local fields:      << 
 22   apply the local fields in the order of user  << 
 23                                                << 
 24 ## 2024-04-29 Ivana Hrivnacova (field-V11-02-0 << 
 25 - Added classes for automatic field constructi << 
 26   - G4FieldBuilder[Messenger], G4FieldParamete << 
 27   - No changes in other Geant4 classes         << 
 28                                                << 
 29 ## 2024-04-17 Ben Morgan (field-V11-02-01)     << 
 30 - Fix maybe-uninitialized warnings found in AT << 
 31   - Reported in internal ATLASSIM-6058 ticket. << 
 32                                                << 
 33 ## 2024-04-02 Gabriele Cosmo (field-V11-02-00) << 
 34 - Applied trivial clang-tidy fixes to classes, << 
 35   constructor/destructor, auto and using state << 
 36 - Minor cleanup in QSS classes.                << 
 37                                                << 
 38 ## 2023-11-03 Gabriele Cosmo (field-V11-01-06) << 
 39 - Reinstated default DormandPrince745 stepper. << 
 40                                                << 
 41 ## 2023-10-27 Lucio Santi (field-V11-01-05)    << 
 42 - Improvements on the QSS Stepper              << 
 43   The main QSS integration loop is interrupted << 
 44   exceeds a predefined threshold (set to 1000  << 
 45                                                << 
 46 ## 2023-06-14 Gabriele Cosmo (field-V11-01-04) << 
 47 - Applied clang-tidy fixes (readability, moder << 
 48                                                << 
 49 ## 2023-06-12 John Apostolakis (field-V11-01-0 << 
 50 - Inclusion of QSS integration method.         << 
 51   Most recent changes:                         << 
 52   * Fixes for issue with SetPrecision (used un << 
 53   * Updated values of parameters in G4Propagat << 
 54   * Withdrew interim changes that made QSS the << 
 55                                                << 
 56 ## 2023-05-26 Lucio Santi                      << 
 57 - Fixes for open issues:                       << 
 58   * default values for QSS made stricter dQRel << 
 59     to improve behaviour in full experiment te << 
 60   * implemented missing DistChord method -- ne << 
 61                                                << 
 62 ## 2023-01-31 John Apostolakis                 << 
 63 - Initial inclusion of QSS integration method. << 
 64   Renamed classes to include 'G4' prefix, and  << 
 65   Added Geant4 disclaimer / license to files.  << 
 66   Removed QSSmessenger from RunManager and G4P << 
 67 - Temporarily made QSS the default method for  << 
 68                                                << 
 69 ## 2023-01-30 Rodrigo Castro, Lucio Santi & Le << 
 70 - Included Quantum State Simulation (QSS) inte << 
 71   Alternative method of integration which crea << 
 72   functions for each coordinate (x,p) - changi << 
 73   polynomials when the deviation from exact so << 
 74   a threshold value.                           << 
 75   Offers built-in interpolation capability - e << 
 76   of the intersection of the trajectory with s << 
 77   Currently restricted to using only with a pu << 
 78   Created by Rodrigo Castro and Lucio Santi, w << 
 79   by Leandro A. Gómez Vidal (and others?)     << 
 80                                                << 
 81 ## 2023-03-16 Ben Morgan (field-V11-01-02)     << 
 82 - Fixed compilation warnings on clang-15 for m << 
 83   in input parameters for steppers.            << 
 84                                                << 
 85 ## 2023-01-09 Ben Morgan (field-V11-01-01)     << 
 86 - Use PROJECT_ scoped _SOURCE/BINARY_DIR varia << 
 87   scope version to ease use of Geant4 as a CMa << 
 88   - Fixes [GitHub PR #52](https://github.com/G << 
 89                                                << 
 90 ## 2022-12-09 Laurie Nevay             (field- << 
 91 - Reduced printout for setting any valid value << 
 92   G4FieldManager.                              << 
 93                                                << 
 94 ## 2022-11-28 Gabriele Cosmo           (field- << 
 95 - Fixed restore of stream precision in G4Field << 
 96                                                << 
 97 ## 2022-11-14 John Apostolakis         (field- << 
 98 - Revised G4FieldManager to ensure that epsilo << 
 99   are less than a 'maximum accepted' accuracy  << 
100   behaviour of the integration. Improved their << 
101    - warnings if min > max, with corrective be << 
102    - a fatal exception in case of values outsi << 
103                                                << 
104   To cope with needs of legacy applications or << 
105   the value of the 'ceiling' maximum accepted  << 
106   the new static method                        << 
107        G4FieldManager::SetMaxAcceptedEpsilon(  << 
108   but must remain under or equal to a final ce << 
109        fMaxFinalEpsilon=0.03                   << 
110                                                << 
111 ## 2022-11-10 Gabriele Cosmo (field-V11-00-03) << 
112 - Fixed compilation warnings for implicit type << 
113                                                << 
114 ## 2022-11-05 Divyansh Tiwari, John Apostolaki << 
115                                                << 
116 - Introduced G4BorisScheme and G4BorisDriver,  << 
117   integration method, created as part of GSoC  << 
118                                                << 
119 ## 2022-10-05 Gabriele Cosmo (field-V11-00-01) << 
120 - Fixed compilation warnings on Intel/icx comp << 
121   but not used.                                << 
122                                                << 
123 ## 2021-12-10 Ben Morgan (field-V11-00-00)     << 
124 - Change to new Markdown History format        << 
125                                                << 
126 ---                                            << 
127                                                << 
128 # History entries prior to 11.0                << 
129                                                << 
130 March 30, 2021 B.Morgan                        << 
131 -----------------------                        << 
132 - Migrate sources.cmake to modular build API   << 
133                                                << 
134 November 26, 2020 J.Apostolakis                << 
135 -------------------------------                << 
136 - Fix to enable G4TDormandPrince45 to be used  << 
137                                                << 
138   This fix was needed because G4Interpolation  << 
139   copies of the stepper class.  Due to this it << 
140   with the type of the templated stepper.      << 
141                                                << 
142   For a stepper to be used with 'G4Interpolati << 
143   implement the method                         << 
144      Equation_type  GetSpecificEquation()      << 
145   Templated steppers must ensure that the retu << 
146   is the specific equation type of the templat << 
147                                                << 
148   This method was added to G4DormandPrince745  << 
149                                                << 
150 October 12, 2020 J.Apostolakis                 << 
151 ------------------------------                 << 
152 - Fixes & refinements - mostly in templated cl << 
153   Compilation fixes, e.g. missing include <cas << 
154   Refinements, e.g. int -> unsigned int in tem << 
155                                                << 
156 October 9, 2020 J.Apostolakis                  << 
157 -----------------------------                  << 
158 - Configure G4ChordFinder to use templated G4T << 
159   default stepper for magnetic fields (when on << 
160   explicitly by the application.)              << 
161                                                << 
162 October 9, 2020 J.Apostolakis & J. Xie         << 
163 --------------------------------------         << 
164 - Adapted classes that avoid virtual calls for << 
165   created by Josh Xie (Google Summer of Code 2 << 
166   S. Wenzel & J.A.                             << 
167                                                << 
168   The revised design and implementations inclu << 
169    * equation of motion templated on the field << 
170    * steppers templated on the type of equatio << 
171      variables.                                << 
172   In addition the key methods are marked as 'i << 
173   they judge possible, to embed them and avoid << 
174                                                << 
175   These classes can be combined also with the  << 
176   (G4IntegrationStepper, G4FSALIntegrationStep << 
177   to avoid virtual calls in all the levels up  << 
178   the integration driver. ]                    << 
179                                                << 
180   The types of stepper currently available are << 
181   i) the originally developed intermediate ord << 
182                                                << 
183    - Name (templated) -  original  --   Order/ << 
184                                            / E << 
185    =========================================== << 
186    G4TClassicalRK4:     G4ClassicalRK4   4th / << 
187    G4TCashKarpRKF45:    G4CashKarpRKF45  5th / << 
188                                                << 
189   ii) the original low order steppers (for spe << 
190    G4TSimpleHeum:       G4SimpleHeum     3rd / << 
191    G4TSimpleRunge:      G4SimpleRunge    2nd / << 
192    G4TExplicitEuler:    G4ExplicitEuler  1st / << 
193                                                << 
194   and                                          << 
195   iii) some newly adapted stepper(s) /  ( J.A. << 
196    G4TDormandPrince45  G4DormandPrince745 5th/ << 
197    =========================================== << 
198                                                << 
199   Note: Additional lower-order steppers are no << 
200         'Vector' steppers (using blaze) are no << 
201                                                << 
202   Experimental versions of fields with inline  << 
203      G4TUniformMagField,  G4TQuadrupoleMagFiel << 
204   are included to show how the field evaluatio << 
205                                                << 
206   Note 2:                                      << 
207   Steppers which are not embedded obtain their << 
208   breaking the step into two halves, then comp << 
209   As a result many more field / derivative eva << 
210   embedded steppers of the same order, but the << 
211   estimation has different properties; so it m << 
212                                                << 
213 June 15, 2020 G.Cosmo                          << 
214 ---------------------                          << 
215 - Implemented move constructor and operator fo << 
216                                                << 
217 March 24, 2020 J.Apostolakis                   << 
218 ----------------------------                   << 
219 - New class G4DriverReporter to print progress << 
220    Used for debugging differences between Old  << 
221 - Revisions in testing CMake config file and s << 
222    for magnetic field.                         << 
223                                                << 
224 March 13, 2020 J.Apostolakis                   << 
225 ----------------------------                   << 
226 - G4VIntegrationDriver & dependent driver clas << 
227     Added new virtual StreamInfo() method,     << 
228        & used it to implement operator << for  << 
229     Made (virtual) DoesReIntegrate() const.    << 
230 - G4MagInt_Driver: Fixed max iterations & clar << 
231      ComputeNewStepSize does NOT (yet) respect << 
232   ( Done to enable comparisons with new G4Inte << 
233 - G4OldMagIntDriver maintains all old behaviou << 
234                                                << 
235                                                << 
236 January 22, 2020 G.Cosmo                       << 
237 ------------------------                       << 
238 - Fixed compilation errors and configuration f << 
239                                                << 
240 January 13, 2020 G.Cosmo                       << 
241 ------------------------                       << 
242 - Turn off verbosity flags by default in G4Int << 
243   G4InterpolationDriver and G4MagIntegratorDri << 
244                                                << 
245 December 10, 2019 B.Morgan                     << 
246 --------------------------                     << 
247 - Cleanup CMake build, removing obsolete granu << 
248   explicit include_directories.                << 
249                                                << 
250 November 14, 2019 J.Apostolakis                << 
251 -------------------------------                << 
252 - Added method / attribute to G4VIntegrationDr << 
253    to inform whether the driver recomputes seg << 
254    AccurateAdvance is called.                  << 
255                                                << 
256 October 27, 2019 D.Sorokin                     << 
257 ----------------------------                   << 
258 - Remove statistics printouts from destructor  << 
259                                                << 
260 October 24, 2019 H.Burkhardt                   << 
261 ----------------------------                   << 
262 - Standard sextupole magnet first implementati << 
263                                                << 
264 October 18, 2019 D. Sorokin                    << 
265 -----------------------------------------      << 
266 - Fix floating point exception in G4BFieldInte << 
267                                                << 
268 October 1, 2019 G. Cosmo                       << 
269 -----------------------------------------      << 
270 - Fixed unitialised data in G4EqMagElectricFie << 
271   reported by Coverity.                        << 
272                                                << 
273 September 12, 2019 G. Cosmo                    << 
274 -----------------------------------------      << 
275 - Minor C++11 revision. Code formatting and cl << 
276                                                << 
277 July 8, 2019 D. Sorokin                        << 
278 -----------------------------------------      << 
279 - G4BFieldIntegrationDriver: an attempt to sol << 
280                                                << 
281 July 3, 2019 D. Sorokin                        << 
282 -----------------------------------------      << 
283 - Make G4InterpolationDriver default for perfo << 
284                                                << 
285 June 25, 2019 D. Sorokin                       << 
286 -----------------------------------------      << 
287 - Fix Dormand-Prince 5th order interpolation m << 
288                                                << 
289 June 20, 2019 D. Sorokin                       << 
290 -----------------------------------------      << 
291 - New version of G4InterpolationDriver with mu << 
292                                                << 
293 June 12, 2019 D. Sorokin & J. Apostolakis      << 
294 -----------------------------------------      << 
295 - Revert to use G4IntegrationDriver as default << 
296     ( c-tor for magnetic field. ).             << 
297   Change to use concrete type of Stepper as te << 
298                                                << 
299 June 10, 2019 Dmitry Sorokin                   << 
300 -------------------------                      << 
301 - Remove division in G4DormandPrince745::Inter << 
302                                                << 
303 June 7, 2019 Dmitry Sorokin                    << 
304 -------------------------                      << 
305 - Switch to original chord finding algorithm i << 
306 - Reset step estimate in G4MagInt_Driver only  << 
307 - Change G4VERBOSE to G4FIELD_DEBUG in G4Inter << 
308                                                << 
309 June 4, 2019 Dmitry Sorokin                    << 
310 -------------------------                      << 
311 - Use FSAL property of G4DormandPrince745 in G << 
312                                                << 
313 June 3, 2019 Dmitry Sorokin                    << 
314 -------------------------                      << 
315 - Fix memory churn in G4InterpolationDriver.   << 
316                                                << 
317 May 20, 2019 Dmitry Sorokin                    << 
318 -------------------------                      << 
319 - Make interpolation driver default for immedi << 
320                                                << 
321 April 8, 2019 H.Burkhardt                      << 
322 -------------------------                      << 
323 - Correcting transformation to local system in << 
324                                                << 
325 March 20, 2019 G.Cosmo                         << 
326 ----------------------                         << 
327 - Corrected 'RegularStepperName' in G4ChordFin << 
328   default stepper G4DormandPrince745 rather th << 
329                                                << 
330 November 9, 2018 J.Apostolakis                 << 
331 ------------------------------                 << 
332 - Small fixes for warnings in compilation.     << 
333 - Revisions of descriptions of recent tags (fo << 
334                                                << 
335 September 26, 2018 D.Sorokin                   << 
336 ----------------------------                   << 
337 - Implemented G4InterpolationDriver. This driv << 
338   stepper with interpolation property to integ << 
339   The field evaluations used to calculate the  << 
340   be reused to obtain one or multiple internal << 
341   So in steps in which an intersection is foun << 
342   evaluations are expected to be reduced subst << 
343                                                << 
344 September 13, 2018 D.Sorokin                   << 
345 ----------------------------                   << 
346 - G4NystromRK4 creates G4CachedMagneticField i << 
347 - Removed G4MagIntegratorStepper::ComputeRight << 
348   (all calls now use non-virtual RightHandSide << 
349 - Reversed declaration of final for the class  << 
350   Returned to previous status: only GetFieldVa << 
351   ( This avoid need to change examples/tests a << 
352     users' code. )                             << 
353                                                << 
354 September 12, 2018 D.Sorokin                   << 
355 ----------------------------                   << 
356 - Created new experimental driver G4BFieldInte << 
357   magnetic fields.  In QuickAdvance it uses he << 
358   estimated 'helix' rotation angle is larger t << 
359 - G4NystromRK4 uses G4CachedMagneticField for  << 
360   NOTE: It now the user's responsibility to cr << 
361   ( The alternative is to create G4CachedMagne << 
362     But this would have several disadvantages: << 
363     * It would change the field in the user's  << 
364     * G4NystromRK4 is not able to check whethe << 
365       that changes the equation using SetEquat << 
366                                                << 
367 July 10, 2018 D. Sorokin              - field- << 
368 ------------------------ Tags by J. Apostolaki << 
369 - Corrections in calculation of chord distance << 
370   ( use 4th order interpolation from Shampine  << 
371 - Revised G4FieldUtils: moved copy() method fr << 
372   added 2 new setValue: simple & variadic meth << 
373 - Fixes to copy input time in ModifiedMidpoint << 
374   Bogacki-Shampine 4/5 and 2/3  (note: B-S 2/3 << 
375   Dormand Prince 4/5, 5/6 and 7/8,  and Tsitou << 
376 - Trial revision in G4BulirschStoer to reduce  << 
377   operations (J.A.)                            << 
378 - Fix for unitialised pIntStepper pointer in G << 
379   constructor.  Revision of data member variab << 
380                                                << 
381 June 15, 2018 G.Cosmo                   - fiel << 
382 ---------------------                          << 
383 - Fixed minor Coverity defects in G4BurlischSt << 
384   Code cleanup.                                << 
385                                                << 
386 June 13, 2018 G.Cosmo                   - fiel << 
387 ---------------------                          << 
388 - Leave override final only for clone() method << 
389   not in destructor...                         << 
390                                                << 
391 June 12, 2018 G.Cosmo                   - fiel << 
392 ---------------------                          << 
393 - Use G4Exception warnings instead of streamin << 
394 - Added override final for virtual methods in  << 
395 - Some code cleanup.                           << 
396                                                << 
397 Apr 30, 2018 J. Apostolakis             - fiel << 
398 ---------------------------                    << 
399 - G4VIntegrationDriver and derived classes     << 
400                                                << 
401   Added new virtual method in G4VIntegrationDr << 
402       void RenewStepperAndAdjust(G4MagIntegrat << 
403   which used to exist in G4MagInt_Driver.      << 
404   ( Its absence caused a problem in some exist << 
405                                                << 
406   This method must be defined in those derived << 
407   a Runge Kutta stepper ( i.e. some or any typ << 
408                                                << 
409 - G4IntegrationDriver, G4FSALIntegrationDriver << 
410   Defined default implementation (which throws << 
411   implementations in the templated classes G4I << 
412   G4FSALIntegrationDriver which check the type << 
413   change the stepper if it is appropriate.     << 
414                                                << 
415 Feb 13, 2018 J. Apostolakis             - fiel << 
416 ---------------------------                    << 
417 - Change in G4FieldManager::CreateChordFinder  << 
418   better with case that field argument is null << 
419                                                << 
420 Feb 13, 2018 D. Sorokin                 - fiel << 
421 -----------------------                 - fiel << 
422 - Introduced Bulirsch-Stoer method of integrat << 
423   to Runge-Kutta based on the mid-point method << 
424   Separate driver derived G4VIntegrationDriver << 
425   using specialisation of G4IntegrationDriver  << 
426   Note: this method does not have a RK 'Steppe << 
427                                                << 
428 Jan 31, 2018 J. Apostolakis                    << 
429 ---------------------------                    << 
430 - G4MagneticField no longer inherits from G4El << 
431   This was incorrect, and allowed a user to pr << 
432   field, but obtain the force only from the B- << 
433   the equation created in the G4ChordFinder co << 
434    => potential interface change.              << 
435                                                << 
436   Result: It is no longer possible to use the  << 
437      pure magnetic field for the case of a mix << 
438      This change is desired, and is a *protect << 
439      use led to incorrect results.             << 
440   Instead the full chain of classes for equati << 
441      steppers and driver must be used for the  << 
442                                                << 
443 Feb 9, 2017 G.Cosmo                     - fiel << 
444 -------------------                            << 
445 - Removed static data from G4FSALIntegrationDr << 
446   G4MagIntegratorDriver and moved to base clas << 
447   Fix required for allowing proper symbol expo << 
448                                                << 
449 Nov 17, 2017 J. Apostolakis             - fiel << 
450 ---------------------------                    << 
451 - G4ChordFinder: Reinstated old driver G4MagIn << 
452     with G4DormandPrince745 (5th order) in G4C << 
453     2nd constructor (with magnetic field.)     << 
454   ( Reverses change made in field-V10-03-27 )  << 
455                                                << 
456 Nov 16, 2017 J. Apostolakis             - fiel << 
457 ---------------------------                    << 
458 - Suppressed statistics printing in G4ChordFin << 
459    ( G4IntegrationDriver and G4FSALIntegration << 
460    protecting them by verbosity flags.         << 
461                                                << 
462 - Minor fix to initialise scalar data member i << 
463   G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3.    << 
464   Fixes coverity issues 97886, 97888 and 97889 << 
465                                                << 
466                                                << 
467 Nov 14, 2017 J. Apostolakis             - fiel << 
468 ---------------------------                    << 
469 - Suppressed extra verbosity in G4ChordFinder. << 
470 - Fix in G4FSALDormandPrince745 for unitialise << 
471   Initialise ak8[], ak9[] in constructor. This << 
472   memory allocation, without deletion - i.e. a << 
473 - Initialise fLastStepLength and/or fAuxSteppe << 
474   in constructors of G4DormandPrince745 and G4 << 
475   Coverity issues: 67394 (G4FSALDormandPrince7 << 
476                    67391     (G4DormandPrince7 << 
477                                                << 
478 Nov 14, 2017 J. Apostolakis             - fiel << 
479 ---------------------------             - fiel << 
480 - G4ChordFinder: changes in default stepper &  << 
481   in which only a magnetic field is provided ( << 
482                                                << 
483   * Reinstated G4DormandPrince745 (5th order)  << 
484    (corrected -23, which missed to initialise  << 
485                                                << 
486   * New templated driver G4IntegrationDriver i << 
487     the simple constuctors of G4ChordFinder an << 
488     which only require a (pure) magnetic field << 
489                                                << 
490   Additional information and details:          << 
491   * New optional parameter to constructor of G << 
492     allow to create an FSAL stepper and corres << 
493     This aims to reuse some derivatives, thus  << 
494     of derivatives and thus field evaluations. << 
495                                                << 
496   * The templated 'driver' classes, available  << 
497     G4ChordFinder's 2nd constructor, are used  << 
498     class:                                     << 
499      - G4IntegrationDriver      for non-FSAL   << 
500      - G4FSALIntegrationDriver  for FSAL-capab << 
501     These make non-virtual calls to the steppe << 
502                                                << 
503 - First fix in G4FSALDormandPrince745 for memo << 
504   delete[] fInitialDyDx in destructor. Coverit << 
505                                                << 
506 ---------------------------------------------- << 
507 Multiple tags (below) were to better test step << 
508 Date   Tagger         Tag name        Stepper  << 
509 ============================================== << 
510 Nov 3, D. Sorokin     field-V10-03-25 G4FSALBo << 
511 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDo << 
512 Nov 2, J. Apostolakis field-V10-03-23 G4Dorman << 
513 Nov 2, J. Apostolakis field-V10-03-22 G4RK547F << 
514 ---------------------------------------------- << 
515 Glossary of drivers:                           << 
516    the FSAL driver = using G4FSALIntegrationDr << 
517    the new  driver = using G4IntegrationDriver << 
518 ============================================== << 
519                                                << 
520 Nov  2, 2017 D. Sorokin                 - fiel << 
521 ---------------------------------------        << 
522 - Added new steppers G4RK547FEq{1,2,3} which i << 
523   Runge-Kutta 4,5 pairs with:                  << 
524      - FSAL property (return derivative at end << 
525      - stable equilibrium states ( improved ha << 
526          integration: better stability in choo << 
527   Each one can be used with all existing Runge << 
528      - G4FSALIntegrationDriver, using its FSAL << 
529      - G4IntegrationDriver    without its FSAL << 
530      - the original G4MagInt_Driver, also igno << 
531                                                << 
532 - Reinstated G4DormandPrince745  ( known widel << 
533   the default RK method in G4ChordFinder for p << 
534     ( Withdrew G4BogackiShampine45. )  J. Apos << 
535                                                << 
536 Nov  1, 2017 J. Apostolakis             - fiel << 
537 ---------------------------                    << 
538 - Made G4BogackiShampine45 the default RK meth << 
539    for pure magnetic fields.                   << 
540                                                << 
541 Oct 30, 2017 D. Sorokin/J.Apostolakis   - fiel << 
542 ---------------------------------------        << 
543 - add GetStepper method to G4VIntegrationDrive << 
544                                                << 
545 Oct 20, 2017 D. Sorokin                 - fiel << 
546 ---------------------------------------        << 
547 Introduced base class for any driver algorithm << 
548 New concrete classes added:                    << 
549 - G4IntegrationDriver: implementation of templ << 
550   for non-fsal explicit Runge-Kutta steppers   << 
551 - G4FSALIntegrationDriver: implementation of d << 
552   FSAL explicit Runge-Kutta steppers.          << 
553 Existing class G4MagInt_Drv remains, deriving  << 
554                                                << 
555 - Expanded testing in testProElectroMagField ( << 
556    ( J. Apostolakis)                           << 
557                                                << 
558 Oct 13, 2017 D. Sorokin                 - fiel << 
559 ---------------------------------------        << 
560 - add G4FieldUtils.hh, G4FieldUtils.icc, G4Fie << 
561   utilities to extract data from arrays in con << 
562   magneticfield integration.                   << 
563                                                << 
564 Oct 13, 2017 G. Cosmo                   - fiel << 
565 ---------------------------------------        << 
566 - G4NystromRK4: use consistenly G4 types for d << 
567                                                << 
568 Aug 31, 2017 J. Apostolakis             - fiel << 
569 ---------------------------------------        << 
570 - Made G4DormandPrince457 the default Stepper  << 
571   G4ChordFinder - when a driver/stepper is not << 
572                                                << 
573 Aug 31, 2017 J. Apostolakis             - fiel << 
574 ---------------------------------------        << 
575 - G4NystromRK4: used caching of momentum magni << 
576   to reduce overhead of fix in field-V10-03-10 << 
577                                                << 
578 Aug 25, 2017 J. Apostolakis             - fiel << 
579 ---------------------------------------        << 
580 - G4MagInt_Driver: added GetEquationOfMotion m << 
581   code with future develoment.                 << 
582                                                << 
583 Aug 24, 2017 D.Sorokin & J. Apostolakis - fiel << 
584 ---------------------------------------        << 
585 - G4NystromRK4: correction in call to getField << 
586     ( Spotted by D. Sorokin )                  << 
587   Also small cleanup of testing code into 2 sm << 
588     ( J. Apostolakis )                         << 
589                                                << 
590 Aug 23, 2017 J.Apostolakis              - fiel << 
591 --------------------------                     << 
592 - G4NystromRK4 - Fix the caching of momentum,  << 
593   Fixes issue reported by ALICE ( problem repo << 
594   Thanks to Ruben Shahoyan for identifying and << 
595 - Temporarly made G4NystromRK4 the default Ste << 
596   constructor (to ensure adequate testing).    << 
597                                                << 
598 Jul 04, 2017 J.Apostolakis             - field << 
599 --------------------------                     << 
600 - G4DormandPrinceRK78: initialise fLastStepLen << 
601   members in constructor. Coverity issue: 6739 << 
602   Improved description and reference to origin << 
603 - G4MagIntegratorDriver: initialised fNoCalls  << 
604                                                << 
605 Jul 03, 2017 J.Apostolakis             - field << 
606 --------------------------                     << 
607 - G4FSALBogackiShampline45: initialise 'bi[][] << 
608   in method PrepareConstants() called by const << 
609     ( Similar to G4BogackiShampine => seek con << 
610   Small fix: initialise fAuxStepper to nullptr << 
611     ( Part of Coverity issue 67394 )           << 
612 - G4DormandPrinceRK56: fix for significant mem << 
613   space in SetupInterpolate_low(), apparently  << 
614   because it was initialised in each use, not  << 
615   Improved initialisation of ak10, 11, 12 (mov << 
616   and fixed small memory leak (added deletion  << 
617 - G4MagIntegratorStepper: initialise fNoRHSCal << 
618   ( fIntegrationOrder is not yet used widely - << 
619   Coverity issue 67392.                        << 
620 - G4VFSALIntegrationStepper: initialise counte << 
621 - G4BogackiShampine23: initialised fIsFSAL, fI << 
622   Suppressed obsolete virtual method isFSAL,   << 
623   Deleted duplicate virtual method 'isFSAL()'. << 
624   now exists in base class G4MagIntegratorStep << 
625   Made copy constructor and equal operator pri << 
626   Added explanatory comments in source file; c << 
627   (it calculates derivative @ endpoint. )      << 
628 - Several steppers ( G4DoLoMcPriRK34, G4FSALBo << 
629   G4DormandPrince745, G4BogackiShampine45 ): i << 
630   fAuxStepper data members in constructor.     << 
631   Coverity issues: 67393, 67394, 67391, 67390, << 
632                                                << 
633 Jul 03, 2017 J.Apostolakis             - field << 
634 --------------------------                     << 
635 - fix for memory leak in Stepper() in two step << 
636      G4FSALBogackiShampline45 ( Coverity issue << 
637      G4FSALDormandPrince745   ( Coverity issue << 
638 - G4BogackiShampline23: fix for memory leak in << 
639     ( Coverity issue 67355 )                   << 
640                                                << 
641 May 17, 2017 J.Apostolakis             - field << 
642 --------------------------                     << 
643 - G4FieldManager::SetDetectorField             << 
644   Fixed default of 'fail mode' parameter in    << 
645      to 0 (silent) - not 1 which was used for  << 
646   In case of existing G4ChordFinder, use 'max' << 
647                                                << 
648                                                << 
649 May 11, 2017 J.Apostolakis             - field << 
650 --------------------------                     << 
651 - Reintroduced changes of field-V10-01-05, 06  << 
652   issue recalled by ATLAS.                     << 
653 - New fixes/refinements (since field-V10-01-07 << 
654   o Extra check for missing equation. (Fix)    << 
655   o Renamed G4FieldManager::SetFieldChangesEne << 
656     InitialiseFieldChangesEnergy() to clarify  << 
657 - Original functionality change (copied from f << 
658   o G4FieldManager.cc : Revised behaviour of S << 
659     passes the Field to the Equation, as is th << 
660     The previous behaviour is possible, using  << 
661             Values: 0           = silent ;     << 
662                     1 (default) = warning;     << 
663                     2 or other  = fatal except << 
664                                                << 
665     This change is to ensure that user expecta << 
666     if the field is changed for an existing, w << 
667     be propagated to the equation of motion.   << 
668     Note: this causes potential conflict betwe << 
669           and the field, which will need to be << 
670     Old behaviour (just set our own pointer) i << 
671     ProposeDetectorField(G4Field *detectorFiel << 
672     Note: Error reporting behaviour of SetDete << 
673           complain by default if ChordFinder i << 
674           ( The default values of failMode = 0 << 
675     If a chord-finder exists, it will still wa << 
676     To obtain have noisy extra checks call Set << 
677     or by using the new method for an existing << 
678     ChangeDetectorField(G4Field *detectorField << 
679   OLD: Co-works and requires new tag in geomet << 
680                                                << 
681 Mar  22, 2017 G.Cosmo                   - fiel << 
682 ---------------------                          << 
683 - Revert change made in previous tag and add s << 
684   singleton pointer.                           << 
685                                                << 
686 Mar  17, 2017 G.Cosmo                   - fiel << 
687 ---------------------                          << 
688 - Define G4FieldManagerStore as normal singlet << 
689                                                << 
690 Oct   7, 2016 J.Apostolakis             - fiel << 
691 ---------------------------                    << 
692 - Checked loops for termination for infinite l << 
693    them with "Loop checking" comment           << 
694                                                << 
695 Oct   7, 2016 D.Sorokin                 - fiel << 
696 -----------------------  Commit: J. Apostolaki << 
697 - Protection for multiple inclusion of G4Class << 
698    (thanks to Dmitrii Sorokin, GSoC 2016 stude << 
699                                                << 
700 Aug  16, 2016 J.Apostolakis             - fiel << 
701 ---------------------------                    << 
702 - Added initialization of fAuxStepper in const << 
703   G4DoLoMcPriRK34, G4DormandPrince745 & G4Dorm << 
704                                                << 
705 June 11, 2016 J.Apostolakis             - fiel << 
706 ---------------------------                    << 
707 - Restored G4ClassicalRK4 as default stepper f << 
708   (due to performance issues reported in bench << 
709                                                << 
710 June 10, 2016 G.Cosmo                   - fiel << 
711 ---------------------                          << 
712 - Fixed code indentation in G4HelixMixedSteppe << 
713   fixes compilation warnings on gcc-6.1.       << 
714                                                << 
715 June 1, 2016 J.Apostolakis              - fiel << 
716 --------------------------                     << 
717 - Fix in multiple steppers for the size of two << 
718   intermediate values;  they must be at least  << 
719   'fNumberOfStateVariables' long.              << 
720   Changed: G4CashKarp,                         << 
721            G4BogackiShampine 23 & 34           << 
722            G4DormandPrince 745, RK56 & RK78    << 
723      G4DoLoMcPriRK34                           << 
724            G4FSALBogackiShampine45, G4FSALDorm << 
725 - Made G4CashKarp the default stepper in G4Cho << 
726 - Deleted trial class G4NewChordFinder.        << 
727                                                << 
728 June 1, 2016 J.Apostolakis              - fiel << 
729 --------------------------                     << 
730 - Deleted test code (RkTestRun) due to cmake i << 
731                                                << 
732 June 1, 2016 J.Apostolakis              - fiel << 
733 --------------------------                     << 
734 - Made G4ClassicalRK4 the default stepper agai << 
735 - Fixes in test code (RkTestRun) for new names << 
736                                                << 
737 May 31, 2016 J.Apostolakis              - fiel << 
738 --------------------------                     << 
739 - New class G4NewChordFinder, that uses old G4 << 
740     the newer G4FSALIntegratorDriver -- first  << 
741   Created new test testNewChordFinder.cc to ch << 
742                                                << 
743 - Renamed new Stepper classes to use 'G4' pref << 
744     DormandPrince{745,RK56,RK67} TsitourasRK45 << 
745                                                << 
746 - Renamed FSAL base classes to use 'G4' prefix << 
747      FSALMagIntegratorStepper to G4VFSALIntegr << 
748      FSALIntegratorDriver     to  G4FSALIntegr << 
749   and the experimental FSAL versions of steppe << 
750      FBogackiShampine45.hh  to  G4FSALBogackiS << 
751      FDormandPrince745.hh   to  G4FSALDormandP << 
752 ( Note: FSAL steppers remain 'behind' the impr << 
753                                                << 
754 - Made DormandPrince745 (DP45) the default ste << 
755                                                << 
756 May 26, 2016 J.Apostolakis & Som. Banerjee   - << 
757 ------------------------------------------     << 
758 - First version of FSAL classes (as additional << 
759     FSAL Integrator Driver  : New *concrete*,  << 
760     FSAL Integrator Stepper : New base class ( << 
761     FBogackiShampine45:  FSAL-version of Bogac << 
762     FDormandPrince745:   FSAL-version of FDorm << 
763   Developed by Somnath Banerjee in GSoC 2015   << 
764                                                << 
765 Context:                                       << 
766 * FSAL Stepper's key 'Stepper()' method for St << 
767     argument to return the derivative at the e << 
768     If the step was successful, this estimate  << 
769     accuracy as the stepper (i.e. 5th order fo << 
770                                                << 
771 - FSAL Driver method uses the revised Stepper  << 
772     the final (endpoint) derivative for succes << 
773     as the start derivative for the next step, << 
774     continuing of integration.                 << 
775                                                << 
776 - New test (RkTestRun.cc) covering FSAL method << 
777    Developed by Somnath Banerjee in GSoC 2015  << 
778                                                << 
779 May 26, 2016 J.Apostolakis                   - << 
780 --------------------------                     << 
781 Preparation for addition of FSAL steppers (& d << 
782 - G4MagIntegratorStepper: Added counter for ca << 
783     with Get/Reset methods.                    << 
784 - Cosmetic fixes in sources.cmake (tabs to spa << 
785                                                << 
786 May 25, 2016 J.Apostolakis & Som. Banerjee   - << 
787 ------------------------------------------     << 
788 - Added new stepper classes embedded RK method << 
789   * DoLoMcPriRK34,      6-stage 3/4 RK (interp << 
790   * DormandPrinceRK56,  9-stage 5/6 RK (interp << 
791   * DormandPrinceRK78, 13-stage 7/8 RK (interp << 
792   created by Somnath Banerjee as part of GSoC  << 
793                                                << 
794 May 25, 2016 J.Apostolakis             - field << 
795 --------------------------                     << 
796 - Revised testPropagateMagField, to reduce err << 
797     steps.  An error message is still written  << 
798     but test does not stop.                    << 
799                                                << 
800 - G4HelixMixedStepper: Fixes & added new (5th  << 
801     Included (G4)Bogacki-Shampine 23/45 ,  Dor << 
802     and newest TsitourasRK45.                  << 
803                                                << 
804 May 24, 2016 J.Apostolakis             - field << 
805 --------------------------                     << 
806 - Added TsitourasRK45 stepper.                 << 
807 - Made Cash-Karp the default stepper (in G4Cho << 
808                                                << 
809 May 23, 2016 J.Apostolakis             - field << 
810 --------------------------                     << 
811 - Made DormandPrince745 (DP45) the default ste << 
812                                                << 
813 May 20, 2016 J.Apostolakis             - field << 
814 -------------------------                      << 
815 - Added steppers created by Somnath Banerjee a << 
816     G4BogackiShampine23 (BS23 below), G4Bogack << 
817     DormandPrince745 (DP45).                   << 
818   These implement third order (BS23) and fifth << 
819     embedded RK tableaus.                      << 
820 - DP45 includes interpolation method, to evalu << 
821     ('y') at intermediate points of a successf << 
822   BS45's interpolation method exists, but is n << 
823                                                << 
824  References:                                   << 
825   - BS45 is embedded pair from paper by P. Bog << 
826       “An efficient Runge-Kutta (4,5) pair,â << 
827       Comput. Math. with Appl., vol. 32, no. 6 << 
828   - BS23 is four stage RK method from the pape << 
829       “A 3(2) pair of Runge - Kutta formulas << 
830       Appl. Math. Lett., vol 2, no 4, p.321 (1 << 
831   - DP45 are from Table 2 of  J. R. Dormand an << 
832       “A family of embedded Runge-Kutta form << 
833       Journal of comput. and applied Math., vo << 
834                                                << 
835 May 4, 2016 G.Cosmo                   - field- << 
836 -------------------                            << 
837 - Fixed Clone() signatures in derived Field cl << 
838   More corrections on implementations of opera << 
839                                                << 
840 Apr 29, 2016 G.Cosmo                  - field- << 
841 --------------------                           << 
842 - Corrected implementation of operator=() and  << 
843   G4ElectroMagneticField, G4ElectricField and  << 
844                                                << 
845 Feb 25, 2016 P.Gumplinger             - field- << 
846 -------------------------                      << 
847 - address Problem Report: 1831                 << 
848   change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin << 
849           G4RepleteEofM.cc from g_BMT = (magMo << 
850                            to   g_BMT = (std:: << 
851                                                << 
852                                                << 
853 Dec 11, 2015 A.Dotti          - field-V10-02-0 << 
854 --------------------------                     << 
855 Fixing typo in tests/CMakeList.txt file: subdi << 
856 instead of add_subdirectory()                  << 
857                                                << 
858 Nov  2, 2015 J.Apostolakis             - field << 
859 Oct 22, 2015 J.Apostolakis             - field << 
860 --------------------------                     << 
861 - Reverted changes in G4FieldManager from  tag << 
862    inadvertently reintroduced in tag field-V10 << 
863     (fixed in tag -15: committed new copy from << 
864                                                << 
865 - Added explanation comment in G4MagHelicalSte << 
866                                                << 
867 Oct 13, 2015 J.Apostolakis             - field << 
868 --------------------------                     << 
869 - G4ChordFinder::FindNextChord: Added check ag << 
870   to identify potential issue of lack of conve << 
871 - test: fixed testProElectricMagField.cc       << 
872                                                << 
873 - Note: tag-13 inadvertently reintroduced chan << 
874                                                << 
875 Jun 26, 2015 P.Gumplinger              - field << 
876 -------------------------                      << 
877 - Include 'NumberOfVariables' in G4RepleteEofM << 
878                                                << 
879 Jun 22, 2015 G.Cosmo                   - field << 
880 --------------------                           << 
881 - Withdrawn also changes introduced in tag "fi << 
882   responsible for memory violation errors in V << 
883   Now corresponding to tag "field-V10-01-04".  << 
884                                                << 
885 Jun 18, 2015 G.Cosmo                   - field << 
886 --------------------                           << 
887 - Withdrawn changes introduced from tag "field << 
888   "field-V10-01-07" included, responsible for  << 
889   run-time errors on Valgrind checks.          << 
890                                                << 
891 Jun 10, 2015 P.Gumplinger              - field << 
892 -------------------------                      << 
893 - initialize all elements of dydx[] in G4Reple << 
894   Thanks to Tatsuya Kikawa (Osaka Univ.)       << 
895                                                << 
896 Jun 10, 2015 J.Apostolakis             - field << 
897 --------------------------                     << 
898 - G4FieldManager.cc : Made behaviour of SetDet << 
899    longer complains by default if ChordFinder  << 
900     ( The default values of failMode = 0 i.e.  << 
901    If a chord-finder exists, it will still war << 
902                                                << 
903    It is still possible to have louder/extra c << 
904      SetDetectorField with failMode > 0        << 
905    or by using a new method, which expects an  << 
906      ChangeDetectorField(G4Field *detectorFiel << 
907                                                << 
908 Jun  8, 2015 J.Apostolakis             - field << 
909 --------------------------                     << 
910 - G4FieldManager.cc : Revised behaviour of Set << 
911    passes the Field to the Equation, as is the << 
912    The previous behaviour is possible, using e << 
913       flag. Values: 0           = silent ;     << 
914                     1 (default) = warning;     << 
915                     2 or other  = fatal except << 
916    Or can use alternative (new) suggestion met << 
917                                                << 
918    This change is to ensure that user expectat << 
919       if the field is changed for an existing, << 
920       be propagated to the equation of motion. << 
921    Note: this causes potential conflict betwee << 
922          and the field, which will need to be  << 
923                                                << 
924    Old behaviour (just set our own pointer) is << 
925      ProposeDetectorField(G4Field *detectorFie << 
926                                                << 
927    Co-works and requires new tag in geometry/n << 
928                                                << 
929 Jun 4, 2015 P. Gumplinger              - field << 
930 -------------------------                      << 
931 - change assignment to field instead of Field  << 
932                                                << 
933 Jan 28, 2015 J.Apostolakis             - field << 
934 --------------------------                     << 
935 - Revert unintended inclusion of changes in G4 << 
936                                                << 
937 Jan 15, 2015 J.Apostolakis             - field << 
938 --------------------------                     << 
939 - Small refinements in G4FieldTrack - access r << 
940     Avoid division by zero for Unit direction  << 
941     Added method to get Rest Mass.             << 
942   Needed for fixes related to Problem report 1 << 
943   Thanks to Nathan S. Froemming <nfroemm@uw.ed << 
944    and created dedicated test to demonstrate i << 
945                                                << 
946 Nov 03, 2014 G.Cosmo                   - field << 
947 --------------------                           << 
948 - Moved constructors and simple methods to in  << 
949   G4LineSection for CPU speedup (courtesy of S << 
950                                                << 
951 May 21, 2014 J.Apostolakis             - field << 
952 --------------------------                     << 
953 - G4FieldTrack:                                << 
954   * Fixed SetChargeAndMoments() to use the new << 
955     G4ChargeState::SetChargesAndMoments(); it  << 
956     erroneous change in G4ChargeState::SetChar << 
957     is now renamed SetChargeSpinMoments() to s << 
958   * Added pdg-spin as argument to constructors << 
959   * Renamed 'spin' to 'Polarization' in method << 
960     avoid confusion;                           << 
961   * Revised constructors to add pdg-spin as la << 
962 - G4ChargeState:                               << 
963   - Addressed Coverity issue #56281 'Arguments << 
964     G4ChargeState::SetChargeMoments() when use << 
965     G4FieldTrack::SetChargeMoments() from addi << 
966     without revising name of method to reflect << 
967   - Changed order of arguments in constructor, << 
968     (was 2nd) and making all arguments mandato << 
969   - Renamed SetChargeAndMoments() method with  << 
970     to SetChargeSpinMoments();                 << 
971   - Added new methods including SetChargesAndM << 
972     SetChargeDipoleMoments() (no spin), and al << 
973     SetChargeMdmSpin() (which includes spin) t << 
974     combinations.                              << 
975 - G4MagIntegratorDriver::OneGoodStep():        << 
976   * Trial changes to address Valgrind issue, a << 
977                                                << 
978 Apr 01, 2014 J.Apostolakis                - fi << 
979 --------------------------                     << 
980 - Moved G4FieldTrack::LoadFromArray() to .cc a << 
981   thread-local static data local to the functi << 
982                                                << 
983 Mar 14, 2014 J.Apostolakis                - fi << 
984 --------------------------                     << 
985 - Fix assignment operator for G4FieldTrack. (C << 
986 - Improve printing of G4FieldTrack             << 
987                                                << 
988 Jan 17, 2014 P.Gumplinger                 - fi << 
989 -------------------------                      << 
990 - add G4Mag_EqRhs::SetChargeMomentumMass( part << 
991   to G4Mag_SpinEqRhs::SetChargeMomentumMass, s << 
992   http://hypernews.slac.stanford.edu/HyperNews << 
993                                                << 
994 Nov 18, 2013 P.Gumplinger                 - fi << 
995 -------------------------                      << 
996 - fix Coverity warning in G4RepleteEofM        << 
997                                                << 
998 Nov 17, 2013 J.Apostolakis                     << 
999 --------------------------                     << 
1000 - Fixed and improved HelixMixed Stepper:      << 
1001     Corrected the default stepper for small s << 
1002     Added Angle-threshold parameter. (Default << 
1003     Added more Steppers, including G4NystromR << 
1004     Revised Id numbers of Steppers, to make t << 
1005     More comments in Stepper().               << 
1006                                               << 
1007 Nov 05, 2013 P.Gumplinger                 - f << 
1008 -------------------------                     << 
1009 - remove writing out-of-bounds dydx[8] = 0. i << 
1010                                               << 
1011 Nov 04, 2013 P.Gumplinger                 - f << 
1012 -------------------------                     << 
1013 - add G4RepleteEofM to sources.cmake          << 
1014                                             f << 
1015 Nov 01st, 2013 P.Gumplinger               - f << 
1016 ---------------------------                   << 
1017 - add G4RepleteEofM: EofM that includes force << 
1018   as well as mu*grad(B) and spin tracking.    << 
1019                                               << 
1020 May 10th, 2013 P.Gumplinger/J.Apostolakis - f << 
1021 -----------------------------------------     << 
1022 - Revised number of field components (to allo << 
1023    18 are required for new applications (B, E << 
1024 - Fixes for initialisation errors found by Co << 
1025                                               << 
1026 May 10th, 2013 P.Gumplinger - field-V09-06-06 << 
1027 ---------------------------                   << 
1028 - prevent divided by zero and shortcut spin t << 
1029   particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldW << 
1030   G4EqEMFieldWithEDM.cc                       << 
1031                                             f << 
1032 May 8th,  2013 P.Gumplinger/J.Apostolakis - f << 
1033 -----------------------------------------     << 
1034 - Introduced new class G4ChargeState to hold  << 
1035      (promoted from internal class of G4Field << 
1036 - Changed the signature of EquationOfMotion:: << 
1037  take G4ChargeState in place of G4double (cha << 
1038 - Deleted SetChargeMomentumMass from G4ChordF << 
1039    G4MagInt_Driver                            << 
1040                                               << 
1041 - Migrated testPropagateMagField and testProp << 
1042                                               << 
1043 March 19th, 2013 G.Cosmo - field-V09-06-03, f << 
1044 -------------------------                     << 
1045 - Cleanup of MT changes in G4FieldManagerStor << 
1046                                               << 
1047 February 26th, 2013 A.Dotti - field-V09-06-01 << 
1048 ---------------------------                   << 
1049 - First implementation of Cloning mechanism ( << 
1050                                               << 
1051 February 22nd, 2013 G.Cosmo - field-V09-06-00 << 
1052 ---------------------------                   << 
1053 - Cleanup of unnecessary changes for multi-th << 
1054 - Removed unused private data-members in G4Ma << 
1055                                               << 
1056 November 14th, 2012 P.Mato - field-V09-05-07  << 
1057 --------------------------                    << 
1058 - G4QuadrupoleMagField: allow displaced origi << 
1059 - Added G4SystemOfUnits.hh in unit tests      << 
1060                                               << 
1061 August 30th, 2012 P.Mato - field-V09-05-06    << 
1062 ------------------------                      << 
1063 - Adapted CMakeLists.txt files to new unit te << 
1064                                               << 
1065 June 11th, 2012 G.Cosmo - field-V09-05-05     << 
1066 -----------------------                       << 
1067 - Explicitly use inclusion of headers for sys << 
1068   constants, in plan to remove implicit inclu << 
1069                                               << 
1070 May 14th, 2012 G.Cosmo - field-V09-05-04      << 
1071 ----------------------                        << 
1072 - Fixed spurious case of hidden variable visi << 
1073   detected with '-Wshadow' compilation option << 
1074                                               << 
1075 February 3rd,  2012 J.Apostolakis - field-V09 << 
1076 ---------------------------------             << 
1077 - G4FieldTrack:                               << 
1078     Added new (inline) method to set the Rest << 
1079        reset this - and keep reuse the same G << 
1080        (across tracks.)                       << 
1081     Made SetCurvePnt() method private.        << 
1082     Simplified implementation of constructors << 
1083        1 division per call.                   << 
1084                                               << 
1085 February  3rd,  2012 G.Cosmo - field-V09-05-0 << 
1086 ----------------------------                  << 
1087 - Removed tests in CMakeLists.txt causing cat << 
1088   testing!                                    << 
1089                                               << 
1090 February  2nd,  2012 J.Apostolakis - field-V0 << 
1091 ----------------------------------            << 
1092 - G4Mag_UsualEqRhs: in SetChargeMomentumMass( << 
1093   division by zero; stopped updating 'fInvCur << 
1094   is obsolete).                               << 
1095 - Added tests in CMakeLists.txt               << 
1096                                               << 
1097 December 13th,  2011 G.Cosmo - field-V09-05-0 << 
1098 ----------------------------                  << 
1099 - Fixed Coverity defects in G4SimpleRunge (re << 
1100   data member) and G4FieldTrack (missing G4Ch << 
1101 - Synchronised unit tests to trunk (new test  << 
1102                                               << 
1103 November 11th,  2011 J.Apostolakis - field-V0 << 
1104 ----------------------------------            << 
1105 - Added G4Field.cc to list of files in source << 
1106                                               << 
1107 November  4th,  2011 J.Apostolakis - field-V0 << 
1108 ----------------------------------            << 
1109 - G4Field: revised to improve ability to dete << 
1110   Added new data member to identify gravity f << 
1111   Added new method IsGravityActive() to acces << 
1112   Created new source file: moving constructor << 
1113 - Changed G4UniformGravityField and G4Electro << 
1114   to accomodate this refinement.              << 
1115                                               << 
1116 November 2nd,  2011 P.Gumplinger - field-V09- << 
1117 --------------------------------              << 
1118 - update list of files in sources.cmake       << 
1119                                               << 
1120 October 28th,  2011 P.Gumplinger - field-V09- << 
1121 --------------------------------              << 
1122 - Added (uniform) gravity field capability.   << 
1123   New classes G4EqGravityField, G4UniformGrav << 
1124                                               << 
1125   *Required* for co-working tag in Transporta << 
1126                                               << 
1127 October 12th,  2011 P.Gumplinger - field-V09- << 
1128 --------------------------------              << 
1129 - replaced: omegac = 0.105658387*GeV/mass * 2 << 
1130   with:     omegac = (eplus/particleMass)*c_l << 
1131   in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.c << 
1132   changed calculation:                        << 
1133      std::sqrt(kineticEnergy*kineticEnergy +  << 
1134   to:                                         << 
1135      std::sqrt(kineticEnergy*(kineticEnergy+2 << 
1136   in G4FieldTrack.cc                          << 
1137                                               << 
1138 August 11th,  2011 G.Cosmo - field-V09-04-01  << 
1139 --------------------------                    << 
1140 - Migrated to new G4Exception scheme for warn << 
1141 - Defined scheme for warnings/errors coding:  << 
1142   + 1xxx for warnings, 0xxx for errors.       << 
1143   Code numbering:                             << 
1144   + 0001: not supported or implemented featur << 
1145   + 0002: invalid setup/construct;            << 
1146   + 0003: invalid run condition;              << 
1147   + 1001: incorrect setup; automatically adap << 
1148   + 1002: notification.                       << 
1149                                               << 
1150 May 13th, 2011 J.Apostolakis                  << 
1151 ----------------------------                  << 
1152 - Added new class G4TrialsCounter for keeping << 
1153 - Avoid printing out pointer in G4CachedMagne << 
1154 - Updated unit tests.                         << 
1155                                               << 
1156 May 12th,  2011 G.Cosmo - field-V09-04-00     << 
1157 -----------------------                       << 
1158 - Fixed compilation warnings from gcc-4.6.0 f << 
1159                                               << 
1160 May 5th,  2011 J.Apostolakis                  << 
1161 ----------------------------                  << 
1162 - Reordered data members to group invariants, << 
1163                                               << 
1164 Sep 10th,  2010 J.Apostolakis - field-V09-03- << 
1165 -----------------------------                 << 
1166 - Revised constructor of G4MagErrorStepper to << 
1167 - Corrected MagErrorStepper to copy State Var << 
1168 - Enable G4ConstRK4 to copy remaining State V << 
1169                                               << 
1170 Sep 10th,  2010 J.Apostolakis - field-V09-03- << 
1171 -----------------------------                 << 
1172 - New class G4MonopoleEq for rhs of d(pc)/ds  << 
1173   in SI units (V.Grichine).                   << 
1174 - Fixed passing of time in G4NystromRK4       << 
1175                                               << 
1176 Jul 21st,  2010 T.Nikitina - field-V09-03-01  << 
1177 --------------------------                    << 
1178 - Fixed cases of memory corruption in G4RKG3_ << 
1179 - Fixed case of unused array data member in G << 
1180 - Removed useless code never executed in G4Co << 
1181 - Fixed initialization in G4NystromRK4 constr << 
1182                                               << 
1183 Jul 14th,  2010 G.Cosmo - field-V09-03-00     << 
1184 -----------------------                       << 
1185 - Added dummy initialization of members in co << 
1186   G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMField << 
1187   G4FieldTrack, G4MagHelicalStepper, G4MagInt << 
1188   G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4Nystro << 
1189   G4UniformElectricField, G4UniformElectricFi << 
1190                                               << 
1191 Nov 12th,  2009 J.Apostolakis - field-V09-02- << 
1192 -----------------------------                 << 
1193 - G4MagIntegratorDriver:  activate check on i << 
1194                                               << 
1195 Nov 12th,  2009 J.Apostolakis - field-V09-02- << 
1196 -----------------------------  (fix only)     << 
1197 - G4Nystrom:  Corrected interface method getF << 
1198                 (Problem found by gcc 4.3 - i << 
1199                                               << 
1200 Nov 6th,  2009 P.Gumplinger - field-V09-02-07 << 
1201 ---------------------------                   << 
1202 - bug fix in G4EqEMFieldWithSpin and G4EqEMFi << 
1203   thanks to Hiromi Iinuma (KEK) see:          << 
1204   http://hypernews.slac.stanford.edu/HyperNew << 
1205                                               << 
1206 Nov 5th,  2009 J.Apostolakis - field-V09-02-0 << 
1207 ----------------------------                  << 
1208 - G4MagIntegratorDriver.cc : Enabled call to  << 
1209 - G4NystromRK4.cc          : Disabled auxilia << 
1210                               ComputeRightHan << 
1211                                               << 
1212 Nov 5th,  2009 J.Apostolakis - field-V09-02-0 << 
1213 ----------------------------                  << 
1214 - Added new virtual method CalculateRightHand << 
1215       in caching momentum (and field value) b << 
1216       Default implementation in G4MagIntegrat << 
1217 - G4Nystrom:  New Set/Get method for cache di << 
1218               Changed private data members in << 
1219 - G4MagIntegratorDriver:  alternative call to << 
1220               As a result G4NystromRK4 operat << 
1221                                               << 
1222 Nov 5th,  2009 J.Apostolakis - field-V09-02-0 << 
1223 ----------------------------                  << 
1224 - G4CachedMagneticField: New Simple class to  << 
1225      Speeds up code when calculation of field << 
1226 - G4NystromRK4 :         New Stepper with Nys << 
1227      with analytic estimation of integration  << 
1228      Greatly reduces number of field value pe << 
1229 - Revised testPropagateMagField to use Cached << 
1230      and to cover G4NystromRK4 and G4ConstRK4 << 
1231                                               << 
1232 Nov 4th,  2009 P.Gumplinger - field-V09-02-03 << 
1233 ---------------------------                   << 
1234 - (minor change) remove comment from G4EqEMFi << 
1235   add G4EqEMFieldWithEDM class: this is the R << 
1236   electric and magnetic field, with spin trac << 
1237   Thanks to Kevin Lynch, Phys. Dept. at Bosto << 
1238                                               << 
1239 May 18th, 2009 T.Nikitina - field-V09-02-02   << 
1240 -------------------------                     << 
1241 - Enhanced algorithm G4ChordFinder::ApproxCur << 
1242   BrentLocator.                               << 
1243                                               << 
1244 March 25th, 2009 G.Cosmo - field-V09-02-01    << 
1245 ------------------------                      << 
1246 - Some code cleanup and formatting...         << 
1247                                               << 
1248 March 6th, 2009 P.Gumplinger - field-V09-02-0 << 
1249 ----------------------------                  << 
1250 - Added 3rd term of BMT equation (Spin x Beta << 
1251   addresses emfields forum posting #155 (bug  << 
1252   Phys. Dept. at Boston University.           << 
1253 - Moved renormalization of spin from G4EqEMFi << 
1254   G4ClassicalRK4 and G4SimpleHeum.            << 
1255 - Added Spin propagation errors to the criter << 
1256   G4MagIntegratorDriver but actually don't ad << 
1257                                               << 
1258 November, 19th, 2008  P.Gumplinger - field-V0 << 
1259 ----------------------------------            << 
1260 - Renormalized the spin to 1 in G4EqEMFieldWi << 
1261                                               << 
1262 November, 7th, 2008   P.Gumplinger - field-V0 << 
1263 ----------------------------------            << 
1264 - Added SetAnomaly() and GetAnomaly() accesso << 
1265                                               << 
1266 October, 28th, 2008   T.Nikitina - field-V09- << 
1267 --------------------------------              << 
1268 - Added 'ApproxCurveV' to method G4ChordFinde << 
1269   order to better calculate the curve length. << 
1270 - Some code cleanup.                          << 
1271                                               << 
1272 September, 18th, 2008   T.Nikitina            << 
1273 ----------------------------------            << 
1274 - Added new stepper class G4ConstRK4, perform << 
1275   with error calculation in constant magnetic << 
1276   from G4ClassicalRK4.                        << 
1277                                               << 
1278 July, 15th, 2008   J.Apostolakis - field-V09- << 
1279 --------------------------------              << 
1280 - Revised signature of G4ChordFinder::FinderN << 
1281   argument passed a reference.                << 
1282                                               << 
1283 May, 28th, 2008   T.Nikitina                  << 
1284 ----------------------------                  << 
1285 - G4ChordFinder: added new method ApproxCurve << 
1286   location mechanism.                         << 
1287                                               << 
1288 April 24th, 2008   T.Nikitina - field-V09-01- << 
1289 -----------------------------                 << 
1290 - Fix 'unused' non-initialized values of dydx << 
1291   and G4EqEMFieldWithSpin.                    << 
1292                                               << 
1293 January 17th, 2008   G.Cosmo - field-V09-01-0 << 
1294 ----------------------------                  << 
1295 - G4CashKarpRKF45: deleted un-needed duplicat << 
1296  'fNumberOfVariables', already defined in G4M << 
1297 - Some code cleanup.                          << 
1298                                               << 
1299 December 7th, 2007   J.Apostolakis & T.Nikiti << 
1300 --------------------------------------------- << 
1301 - New class G4FieldManagerStore. It enables r << 
1302   finders' state. Needed to address problem r << 
1303                                               << 
1304 September 9th, 2007  G.Cosmo - field-V09-00-0 << 
1305 ----------------------------                  << 
1306 - Some code cleanup in G4MagHelicalStepper.cc << 
1307                                               << 
1308 August 30th, 2007    P.Gumplinger - field-V09 << 
1309 ---------------------------------             << 
1310 - Add G4EqEMFieldWithSpin class to allow trac << 
1311   G4ElectroMagneticFields                     << 
1312                                               << 
1313 August 21st, 2007    T.Nikitina - field-V09-0 << 
1314 -------------------------------               << 
1315 - Fix to DistChord() method for Helical Stepp << 
1316   also for Ang<2pi not only for Ang<pi; use c << 
1317   improve CPU performance.                    << 
1318 - Improved AdvanceHelix() to be able to make  << 
1319   in one call.                                << 
1320 - In G4HelixMixedStepper added possibility to << 
1321   small steps and add some statistics how off << 
1322 - G4RKG3_Stepper: improved internal algorithm << 
1323   the stepper now gives comparable CPU perfor << 
1324 - Updated unit tests.                         << 
1325                                               << 
1326 August 17th, 2007    G.Cosmo - field-V09-00-0 << 
1327 ----------------------------                  << 
1328 - Changed FatalException to EventMustBeAborte << 
1329   if proposed integration step is negative.   << 
1330                                               << 
1331 June 8th, 2007    T.Nikitina - field-V08-03-0 << 
1332 ----------------------------                  << 
1333 - Relaxed FatalException to Warning in G4MagI << 
1334   for case of step zero and return previous v << 
1335   observed by ATLAS in release 8.3 when requi << 
1336   -- ie using very small values for acceptabl << 
1337                                               << 
1338 May 18th, 2007    T.Nikitina - field-V08-03-0 << 
1339 ----------------------------                  << 
1340 - New class G4HelixMixedStepper, mixing helic << 
1341   G4MagHelicalStepper                         << 
1342 - Keep values of  inverse Radius, ..          << 
1343 - New calculation of DistChord for SteppingAn << 
1344   G4RKG3Stepper                               << 
1345 - New calculation of DistChord for SteppingAn << 
1346                                               << 
1347 May 16th, 2007    G.Cosmo - field-V08-03-01   << 
1348 -------------------------                     << 
1349 - Introduced new class G4ErrorMag_UsualEqRhs  << 
1350   field when propagation is backwards for err << 
1351 - Coworks with tag "global-V08-03-02".        << 
1352                                               << 
1353 May 11th, 2007    G.Cosmo - field-V08-03-00   << 
1354 -------------------------                     << 
1355 - Use call to G4GeometryTolerance instead of  << 
1356   G4MagIntegratorDriver.                      << 
1357 - Requires tag "global-V08-03-00" and related << 
1358                                                    3 
                                                   >>   4      =========================================================
                                                   >>   5      Geant4 - an Object-Oriented Toolkit for Simulation in HEP
                                                   >>   6      =========================================================
                                                   >>   7 
                                                   >>   8                       Category History file
                                                   >>   9                       ---------------------
                                                   >>  10 This file should be used by G4 developers and category coordinators
                                                   >>  11 to briefly summarize all major modifications introduced in the code
                                                   >>  12 and keep track of all category-tags.
                                                   >>  13 It DOES NOT substitute the  CVS log-message one should put at every
                                                   >>  14 committal in the CVS repository !
                                                   >>  15 
                                                   >>  16      ----------------------------------------------------------
                                                   >>  17      * Reverse chronological order (last date on top), please *
                                                   >>  18      ----------------------------------------------------------
1359 May 10th, 2007    J.Apostolakis - field-V08-0     19 May 10th, 2007    J.Apostolakis - field-V08-02-01
1360 -------------------------------                   20 -------------------------------
1361 - G4MagIntegratorDriver:                      <<  21 - G4MagIntegratorDriver: 
1362     * added protections against zero initial      22     * added protections against zero initial or internal step h=0, (exceptions)
1363     * revised (re)calculation of h, and quit  <<  23     * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12) 
1364                                                   24 
1365 April 26th, 2007  T.Nikitina - field-V08-02-0     25 April 26th, 2007  T.Nikitina - field-V08-02-00
1366 ----------------------------                      26 ----------------------------
1367 - Corrected integration constants in G4MagHel     27 - Corrected integration constants in G4MagHelicalStepper
1368 - Added implementation of G4RKG3_Stepper, ste     28 - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
1369 - Updated NTST unit test. New unit test "fiel     29 - Updated NTST unit test. New unit test "field06" for comparison of steppers.
1370                                                   30 
1371 November 14th, 2006  J.Apostolakis - field-V0     31 November 14th, 2006  J.Apostolakis - field-V08-01-02
1372 ----------------------------------                32 ----------------------------------
1373 - G4MagIntegratorDriver                           33 - G4MagIntegratorDriver
1374   * Made first argument of GetDerivatives a r     34   * Made first argument of GetDerivatives a reference - avoid copy
1375 - G4MagIntegratorStepper                          35 - G4MagIntegratorStepper
1376   * Include the SetEquationOfMotion() method  <<  36   * Include the SetEquationOfMotion() method in G4MagIntegratorStepper 
1377     (for Geant4e, as in field-V08-01-00)          37     (for Geant4e, as in field-V08-01-00)
1378   * Update of disclaimers.                        38   * Update of disclaimers.
1379                                                   39 
1380 November 13th, 2006  G.Cosmo - field-V08-01-0     40 November 13th, 2006  G.Cosmo - field-V08-01-01
1381 ----------------------------                      41 ----------------------------
1382 - G4FieldTrack:                                   42 - G4FieldTrack:
1383   o Implemented missing definition for GetCha     43   o Implemented missing definition for GetCharge().
1384   o Corrected 'const' qualifier for accessors     44   o Corrected 'const' qualifier for accessors in the subclass.
1385   o Cleanup ...                                   45   o Cleanup ...
1386 - NOTE: this tag is NOT including the change      46 - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
1387                                                   47 
1388 June 21st, 2006  J.Apostolakis - field-V08-01     48 June 21st, 2006  J.Apostolakis - field-V08-01-00
1389 ------------------------------                    49 ------------------------------
1390 - Including the SetEquationOfMotion() method      50 - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
1391                                                   51 
1392 June 22nd, 2006  J.Apostolakis - field-V08-00     52 June 22nd, 2006  J.Apostolakis - field-V08-00-07
1393 -----------------------------                     53 -----------------------------
1394 - G4ExactHelixStepper: reintroduced corrected <<  54 - G4ExactHelixStepper: reintroduced corrected class 
1395     --> testPropagateMagField now tests it al     55     --> testPropagateMagField now tests it also (added)
1396 - G4MagHelicalStepper: made Stepper virtual ( <<  56 - G4MagHelicalStepper: made Stepper virtual (for now) 
1397              to enable G4ExactHelixStepper to     57              to enable G4ExactHelixStepper to override it
1398                                                   58 
1399 June 21st, 2006  J.Apostolakis - field-V08-00     59 June 21st, 2006  J.Apostolakis - field-V08-00-06
1400 -----------------------------                     60 -----------------------------
1401 - G4ExactHelixStepper: taking out class       <<  61 - G4ExactHelixStepper: taking out class 
1402    (provisional tag in case of difficulties w     62    (provisional tag in case of difficulties with class, revisions)
1403                                                   63 
1404 --- The field-V08-00-0x , x > 6, tags do not      64 --- The field-V08-00-0x , x > 6, tags do not include the change below
1405                                                   65 
1406 May 27th, 2006  J.Apostolakis - field-V08-00-     66 May 27th, 2006  J.Apostolakis - field-V08-00-05
1407 -----------------------------                     67 -----------------------------
1408 - G4FieldTrack: Fix for simple compilation er     68 - G4FieldTrack: Fix for simple compilation error on Sun.
1409                                                   69 
1410 May 23rd, 2006  J.Apostolakis - field-V08-00-     70 May 23rd, 2006  J.Apostolakis - field-V08-00-04
1411 -----------------------------                     71 -----------------------------
1412 - G4FieldTrack: Fix for memory leak for Charg     72 - G4FieldTrack: Fix for memory leak for ChargeState
1413    Made G4ChargeState a data member (has an i     73    Made G4ChargeState a data member (has an instance)
1414                                                   74 
1415 May 18th, 2006  J.Apostolakis - field-V08-00-     75 May 18th, 2006  J.Apostolakis - field-V08-00-03
1416 -----------------------------                     76 -----------------------------
1417 - G4FieldTrack: Fix for issue with gcc 4.0  (     77 - G4FieldTrack: Fix for issue with gcc 4.0  (mac)
1418                                                   78 
1419 May 16th, 2006  J.Apostolakis - field-V08-00-     79 May 16th, 2006  J.Apostolakis - field-V08-00-02
1420 -----------------------------                     80 -----------------------------
1421 - G4ExactHelixStepper                             81 - G4ExactHelixStepper
1422    Taken out alpha version - it was included  <<  82    Taken out alpha version - it was included in error 
1423                                                   83 
1424 May 11th, 2006  J.Apostolakis - field-V08-00-     84 May 11th, 2006  J.Apostolakis - field-V08-00-01
1425 -----------------------------                     85 -----------------------------
1426 - G4FieldTrack                                    86 - G4FieldTrack
1427    Significant, provisional change:               87    Significant, provisional change:
1428      * Added charge and moments to FieldTrack <<  88      * Added charge and moments to FieldTrack 
1429          (SetMethods,  and pointer to embedde     89          (SetMethods,  and pointer to embedded class G4ChargeState)
1430    Technical revisions:                           90    Technical revisions:
1431      * New constructor, with charge and witho     91      * New constructor, with charge and without velocity
1432      * New almost-default constructor (taking     92      * New almost-default constructor (taking a character)
1433    Also:                                      <<  93    Also: 
1434      * New constructor to take const referenc     94      * New constructor to take const reference to Spin
1435      * New implementation method UpdateFourMo     95      * New implementation method UpdateFourMomentum
1436      * Streaming operator takes const referen <<  96      * Streaming operator takes const reference, 
1437          and outputs momentum magnitude & dir     97          and outputs momentum magnitude & direction magn.
1438                                                   98 
1439 - G4ExactHelixStepper                             99 - G4ExactHelixStepper
1440    Included in error                          << 100    Included in error 
1441                                                  101 
1442 Apr 6th, 2006  J.Apostolakis - field-V08-00-0    102 Apr 6th, 2006  J.Apostolakis - field-V08-00-00
1443 ----------------------------                     103 ----------------------------
1444 - In G4FieldManager                              104 - In G4FieldManager
1445  Added missing  const GetChordFinder() method << 105  Added missing  const GetChordFinder() method -- Problem report #847 
1446  Corrected description (at top of include fil    106  Corrected description (at top of include file hh):
1447   - It is possible to set the field manager o    107   - It is possible to set the field manager of a logical volume (since long)
1448                                                  108 
1449                                                  109 
1450 Nov 9th, 2005  G.Cosmo - field-V07-01-00         110 Nov 9th, 2005  G.Cosmo - field-V07-01-00
1451 ----------------------                           111 ----------------------
1452 - Archived source code of field01 unit test,     112 - Archived source code of field01 unit test, now moved to examples/extended.
1453 - Migrated unit test NTST to use <sstream> an    113 - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
1454   with G4VParticleChange new interface.          114   with G4VParticleChange new interface.
1455                                                  115 
1456 Dec 2nd, 2004  G.Cosmo - field-V06-02-02         116 Dec 2nd, 2004  G.Cosmo - field-V06-02-02
1457 ----------------------                           117 ----------------------
1458 - Implemented migration to <cmath> for standa    118 - Implemented migration to <cmath> for standard mathematical functions.
1459                                                  119 
1460 Dec 2nd, 2004  J.Apostolakis - field-V06-02-0    120 Dec 2nd, 2004  J.Apostolakis - field-V06-02-01
1461 ----------------------------                     121 ----------------------------
1462 - Improvements to comments in key Field class    122 - Improvements to comments in key Field classes
1463 - Changes to test/NTST, renaming 'main()' fil    123 - Changes to test/NTST, renaming 'main()' file & modifying input files
1464 - Several improvements to test files             124 - Several improvements to test files
1465    testProElectroMagField.cc                     125    testProElectroMagField.cc
1466      * updating for new Electric Field inheri    126      * updating for new Electric Field inheritance (& need for
1467        different ChordFinder creation )          127        different ChordFinder creation )
1468      * adding columns to print-outs in spin c    128      * adding columns to print-outs in spin case for better diagnosis
1469    testPropagateMagField.cc                      129    testPropagateMagField.cc
1470      * Added verbosity level 1 to field Propa    130      * Added verbosity level 1 to field Propagator, relabelled old method.
1471    testPropagateSpin.cc                          131    testPropagateSpin.cc
1472      * Added more printout of parameters (sta    132      * Added more printout of parameters (state) of G4PropagatorInField
1473        and G4FieldManager before running each    133        and G4FieldManager before running each test.
1474    test/NTST                                     134    test/NTST
1475      * Renamed main() file to testNTST.cc and    135      * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
1476                                                  136 
1477                                                  137 
1478 Oct 20th, 2004  P.Gumplinger - field-V06-02-0    138 Oct 20th, 2004  P.Gumplinger - field-V06-02-00
1479 ----------------------------                     139 ----------------------------
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi    140 - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
1481                                                  141 
1482 Feb 9th, 2004  G.Cosmo - field-V06-00-00         142 Feb 9th, 2004  G.Cosmo - field-V06-00-00
1483 ----------------------                           143 ----------------------
1484 - G4UniformMagField.cc: added missing impleme    144 - G4UniformMagField.cc: added missing implementation for
1485   GetConstantFieldValue(). Fixes bug report #    145   GetConstantFieldValue(). Fixes bug report #575.
1486                                                  146 
1487 Nov 13th, 2003  J.Apostolakis - field-V05-02-    147 Nov 13th, 2003  J.Apostolakis - field-V05-02-08
1488 -----------------------------                    148 -----------------------------
1489 - G4ChordFinder:                              << 149 - G4ChordFinder:  
1490   o extended the arguments of AdvanceChordLim    150   o extended the arguments of AdvanceChordLimited  and  FindNextChord
1491     adding the current safety sphere (origin,    151     adding the current safety sphere (origin, radius), for use in optimising.
1492   o fixed set functions which had side effect    152   o fixed set functions which had side effect (on first fraction.)
1493 - Added new class G4ChordFinderSaf (using abo    153 - Added new class G4ChordFinderSaf (using above)
1494   o which uses safety to create longer chords << 154   o which uses safety to create longer chords, so enabling 
1495       propagation in fewer steps --> performa    155       propagation in fewer steps --> performance optimisation
1496 - G4FieldManager:                             << 156 - G4FieldManager: 
1497     Changed default accuracy parameters to mu    157     Changed default accuracy parameters to much better values:
1498         Epsilon Min Default  to 5.0e-5  from     158         Epsilon Min Default  to 5.0e-5  from 5.0e-7  (too small)
1499         Epsilon Max Default  to 0.001   from     159         Epsilon Max Default  to 0.001   from 0.05    (far too big)
1500                                                  160 
1501 Nov  7th, 2003  J.Apostolakis - field-V05-02-    161 Nov  7th, 2003  J.Apostolakis - field-V05-02-07
1502 -----------------------------                    162 -----------------------------
1503 - G4ChordFinder                               << 163 - G4ChordFinder 
1504   o Made this a base class                       164   o Made this a base class
1505     * to enable specialised implementations      165     * to enable specialised implementations
1506     * virtual methods: FindNextChord, PrintSt    166     * virtual methods: FindNextChord, PrintStatistics)
1507     * new method AccumulateStatistics to aid     167     * new method AccumulateStatistics to aid in this
1508                                                  168 
1509   o New default value of                         169   o New default value of                                      Accuracy!!
1510       Delta Chord        to  0.25 mm    (from    170       Delta Chord        to  0.25 mm    (from 3.00 mm)     <-----
1511                                               << 171                                                                  
1512 - G4FieldManager                                 172 - G4FieldManager
1513   o Changed default values of                    173   o Changed default values of
1514       Delta One Step     to  0.010 mm   (from    174       Delta One Step     to  0.010 mm   (from 0.25 mm)     <-----
1515       Delta Intersection to  0.001 mm   (from    175       Delta Intersection to  0.001 mm   (from 0.10 mm)     <-----
1516     for increased default accuracy               176     for increased default accuracy
1517   o Use field's DoesFieldChangesEnergy method    177   o Use field's DoesFieldChangesEnergy method to set relevant member variable
1518                                                  178 
1519 Nov 7th, 2003  J.Apostolakis - field-V05-02-0    179 Nov 7th, 2003  J.Apostolakis - field-V05-02-06
1520 ----------------------------                     180 ----------------------------
1521 - G4ChordFinder                                  181 - G4ChordFinder
1522    Created new class members for parameters u    182    Created new class members for parameters used in heuristics:
1523        fFirstFraction            for first st    183        fFirstFraction            for first step
1524        fFractionLast             fraction of     184        fFractionLast             fraction of last step, if redoing
1525        fFractionNextEstimate     confidence i    185        fFractionNextEstimate     confidence in step est from chord
1526        fMultipleRadius           for small ra    186        fMultipleRadius           for small radii of curve
1527    New method to Print Statistics.               187    New method to Print Statistics.
1528    Verbosity to enable optional printing of s    188    Verbosity to enable optional printing of stats in destructor.
1529                                                  189 
1530 Nov 7th, 2003  J.Apostolakis - field-V05-02-0    190 Nov 7th, 2003  J.Apostolakis - field-V05-02-05
1531 ----------------------------                     191 ----------------------------
1532 - G4ChordFinder                                  192 - G4ChordFinder
1533   o Added simple statistics (with access meth    193   o Added simple statistics (with access methods)
1534 - test/NTST                                      194 - test/NTST
1535   o Added new test, taken from D. Williams' e    195   o Added new test, taken from D. Williams' exampleNTST
1536      modified and maintained by J. Apostolaki << 196      modified and maintained by J. Apostolakis 
1537                                                  197 
1538 Nov 5th, 2003  J.Apostolakis - field-V05-02-0    198 Nov 5th, 2003  J.Apostolakis - field-V05-02-04
1539 ----------------------------                     199 ----------------------------
1540 - G4FieldManager                                 200 - G4FieldManager
1541   o Added Get/Set Min/Max imumEpsilonStep        201   o Added Get/Set Min/Max imumEpsilonStep
1542   o Added fEpsilonMin fEpsilonMax & default t << 202   o Added fEpsilonMin fEpsilonMax & default to member variables. 
1543    >> Now these can be tailored for different    203    >> Now these can be tailored for different parts of a detector or setup
1544                                                  204 
1545 - G4Field G4ElectroMagneticField G4MagneticFi    205 - G4Field G4ElectroMagneticField G4MagneticField
1546   o Adding the virtual method   DoesFieldChan    206   o Adding the virtual method   DoesFieldChangeEnergy()  [to be used later]
1547   o So that G4ElectroMagneticField derives fr    207   o So that G4ElectroMagneticField derives from G4Field
1548     and G4MagneticField derives from G4Electr    208     and G4MagneticField derives from G4ElectroMagneticField
1549                                                  209 
1550 - G4MagErrorStepper and derived classes          210 - G4MagErrorStepper and derived classes
1551     (G4ClassicalRK4 G4SimpleRunge G4ExplicitE    211     (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
1552   o the constructors take G4EquationOfMotion     212   o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
1553     as it these applicable to all types of eq << 213     as it these applicable to all types of equations 
1554      (not just ones for Magnetic field)          214      (not just ones for Magnetic field)
1555                                                  215 
1556 - G4EqMagElectricField                           216 - G4EqMagElectricField
1557   o derives from G4EquationOfMotion              217   o derives from G4EquationOfMotion
1558                                                  218 
1559 - G4ChordFinder                                  219 - G4ChordFinder
1560   o Moved simple constructor to .cc file (tog    220   o Moved simple constructor to .cc file (together with 'complex' one)
1561   o Changed fDefaultDeltaChord to a constant     221   o Changed fDefaultDeltaChord to a constant member variable (from class var.)
1562                                                  222 
1563 Nov 4th, 2003  G.Cosmo - field-V05-02-03         223 Nov 4th, 2003  G.Cosmo - field-V05-02-03
1564 ----------------------                           224 ----------------------
1565 Undocumented.                                    225 Undocumented.
1566                                                  226 
1567 Nov 4th, 2003  G.Cosmo - field-V05-02-02         227 Nov 4th, 2003  G.Cosmo - field-V05-02-02
1568 ----------------------                           228 ----------------------
1569 - G4ChordFinder.cc:                              229 - G4ChordFinder.cc:
1570   o Fixed compilation problem occuring when G    230   o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
1571                                                  231 
1572 Oct 31st, 2003  G.Cosmo - field-V05-02-01        232 Oct 31st, 2003  G.Cosmo - field-V05-02-01
1573 -----------------------                          233 -----------------------
1574 - Code cleanup and removal of redundant heade    234 - Code cleanup and removal of redundant header includes, replaced
1575   where necessary by forward declarations.       235   where necessary by forward declarations.
1576                                                  236 
1577 Oct 24th, 2003  G.Cosmo - field-V05-02-00        237 Oct 24th, 2003  G.Cosmo - field-V05-02-00
1578 -----------------------                          238 -----------------------
1579 - Migrated to use new G4Exception scheme.        239 - Migrated to use new G4Exception scheme.
1580 - Updated outputs of unit tests.                 240 - Updated outputs of unit tests.
1581                                                  241 
1582 Jun 25th, 2003  J.Apostolakis - field-V05-01-    242 Jun 25th, 2003  J.Apostolakis - field-V05-01-06
1583 -----------------------------                    243 -----------------------------
1584 - Suppressed printing of statistics (by defau    244 - Suppressed printing of statistics (by default) in MagIntegrationDriver.
1585 - Fix for unused variables warning in ChordFi    245 - Fix for unused variables warning in ChordFinder.
1586                                                  246 
1587 Jun 24th, 2003  J.Apostolakis - field-V05-01-    247 Jun 24th, 2003  J.Apostolakis - field-V05-01-05
1588 -----------------------------                    248 -----------------------------
1589 - Fix for problems introduced in field-V05-01    249 - Fix for problems introduced in field-V05-01-03:
1590   o G4ChordFinder:                               250   o G4ChordFinder:
1591     - Fixed unitialised variable for next ste    251     - Fixed unitialised variable for next step (now used for optimisation).
1592     - Protected assignment of 'fLastStepEstim    252     - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
1593       unitialised value.                         253       unitialised value.
1594                                                  254 
1595 Jun 21st, 2003  J.Apostolakis - field-V05-01-    255 Jun 21st, 2003  J.Apostolakis - field-V05-01-04
1596 -----------------------------                    256 -----------------------------
1597 - G4FieldManager:                                257 - G4FieldManager:
1598   o Revised into 'slightly' abstract class wi    258   o Revised into 'slightly' abstract class with one (new) virtual method:
1599       ConfigureForTrack( const G4Track *)        259       ConfigureForTrack( const G4Track *)
1600     to enable the user to configure it with d    260     to enable the user to configure it with different accuracy parameters
1601     depending on energy, particle id, volume,    261     depending on energy, particle id, volume, or other track state.
1602     Currently by default, no such configurati    262     Currently by default, no such configuration action is undertaken.
1603                                                  263 
1604 Jun 21st, 2003  J.Apostolakis - field-V05-01-    264 Jun 21st, 2003  J.Apostolakis - field-V05-01-03
1605 -----------------------------                    265 -----------------------------
1606 - Revised G4ChordFinder:                         266 - Revised G4ChordFinder:
1607   * FindNextChord now provides next Step esti    267   * FindNextChord now provides next Step estimate (for accuracy in Integr.)
1608   * AdvanceChordLimited to use                   268   * AdvanceChordLimited to use
1609     - above extra argument to FindNextChord      269     - above extra argument to FindNextChord
1610     - the next Step argument as initial-step     270     - the next Step argument as initial-step suggested to Accurate Advance
1611 - G4MagIntegratorDriver:                         271 - G4MagIntegratorDriver:
1612   * Added extra argument to Accurate Advance:    272   * Added extra argument to Accurate Advance:
1613     hinitial: suggested initial step size        273     hinitial: suggested initial step size
1614 - Note:                                          274 - Note:
1615   * Purpose:  performance boost with small/li << 275   * Purpose:  performance boost with small/limited changes, 
1616     including minor revisions of interfaces.     276     including minor revisions of interfaces.
1617                                                  277 
1618 Jun 20th, 2003  J.Apostolakis - field-V05-01-    278 Jun 20th, 2003  J.Apostolakis - field-V05-01-02
1619 -----------------------------                    279 -----------------------------
1620 - G4MagIntegratorDriver Quick Advance:           280 - G4MagIntegratorDriver Quick Advance:
1621   o Took out two unneccessary square roots an    281   o Took out two unneccessary square roots and two divisions.
1622 - Notes:                                         282 - Notes:
1623   1) Pure magnetic, electric, spin field test    283   1) Pure magnetic, electric, spin field test are completed.
1624   2) Purpose:  performance boost with small c    284   2) Purpose:  performance boost with small changes.
1625                                                  285 
1626 Jun 20th, 2003  J.Apostolakis - field-V05-01-    286 Jun 20th, 2003  J.Apostolakis - field-V05-01-01
1627 -----------------------------                    287 -----------------------------
1628 - G4MagIntegratorDriver:                         288 - G4MagIntegratorDriver:
1629   o Corrected neglected conversion to <std> f    289   o Corrected neglected conversion to <std> from "G4std".
1630 - Migrated unit tests to <std>.                  290 - Migrated unit tests to <std>.
1631                                                  291 
1632 Jun 19th, 2003  J.Apostolakis - field-V05-01-    292 Jun 19th, 2003  J.Apostolakis - field-V05-01-00
1633 -----------------------------                 << 293 ----------------------------- 
1634 - G4ChordFinder:                                 294 - G4ChordFinder:
1635   o Corrected simple constructor to initialis    295   o Corrected simple constructor to initialise several member variables
1636     including LastStepEstimate_Unconstrained.    296     including LastStepEstimate_Unconstrained.
1637 - G4MagIntegratorDriver:                         297 - G4MagIntegratorDriver:
1638   o Keep simple statistics on number of steps    298   o Keep simple statistics on number of steps, total error and step size.
1639   o Took out an unneccessary square root (in     299   o Took out an unneccessary square root (in loop).
1640 - NOTE:    tests field0X are to be migrated.     300 - NOTE:    tests field0X are to be migrated.
1641   Purpose: fixes, small performance boost, si    301   Purpose: fixes, small performance boost, simple statistics.
1642                                                  302 
1643 Apr 2nd, 2003      G. Cosmo - field-V05-00-01    303 Apr 2nd, 2003      G. Cosmo - field-V05-00-01
1644 ---------------------------                      304 ---------------------------
1645 - Created .cc files for G4MagneticField and G    305 - Created .cc files for G4MagneticField and G4ElecroMagneticField.
1646 - Fixed definition of copy constructors in fi    306 - Fixed definition of copy constructors in fields inheritance chain.
1647 - Moved obsolete method StepWithEst() to priv    307 - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
1648   G4CashKarpRKF45 and G4ClassicalRK4.            308   G4CashKarpRKF45 and G4ClassicalRK4.
1649 - Cleared strict pedantic warnings.              309 - Cleared strict pedantic warnings.
1650                                                  310 
1651 Feb 5th, 2003      G. Cosmo - field-V05-00-00    311 Feb 5th, 2003      G. Cosmo - field-V05-00-00
1652 ---------------------------                      312 ---------------------------
1653 - Removed redundant inclusions of PhysicalCon    313 - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
1654   Now using directly CLHEP's headers.            314   Now using directly CLHEP's headers.
1655                                                  315 
1656 Dec 12th, 2002     G. Cosmo - field-V04-01-06    316 Dec 12th, 2002     G. Cosmo - field-V04-01-06
1657 ---------------------------                      317 ---------------------------
1658 - Moved unused variable 'nStpPr' to debug sec    318 - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
1659   method AccurateAdvance().                      319   method AccurateAdvance().
1660                                                  320 
1661 Dec 06th, 2002     G. Cosmo - field-V04-01-05    321 Dec 06th, 2002     G. Cosmo - field-V04-01-05
1662 ---------------------------                      322 ---------------------------
1663 - Merged changes by Makoto for migration to n    323 - Merged changes by Makoto for migration to new G4ApplicationState in
1664   messengers of unit tests.                      324   messengers of unit tests.
1665                                                  325 
1666 Nov 29th, 2002     J. Apostolakis - field-V04    326 Nov 29th, 2002     J. Apostolakis - field-V04-01-04
1667 ---------------------------------                327 ---------------------------------
1668 Further fixes for unitialised variable - in o    328 Further fixes for unitialised variable - in other steppers:
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE    329 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
1670                                                  330 
1671 Large memory leak fix for G4ImplicitEuler, sm    331 Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
1672 Test accuracy requirements for spin adjusted.    332 Test accuracy requirements for spin adjusted.
1673                                                  333 
1674 Nov 20th, 2002     J. Apostolakis - field-V04    334 Nov 20th, 2002     J. Apostolakis - field-V04-01-03
1675 ---------------------------------                335 ---------------------------------
1676 Further fixes for unitialised variables:         336 Further fixes for unitialised variables:
1677                                                  337 
1678 * G4MagIntegratorStepper                         338 * G4MagIntegratorStepper
1679   -  Created instance variables for number of    339   -  Created instance variables for number of Integration, State variables
1680                                                  340 
1681 * G4MagErrorStepper                              341 * G4MagErrorStepper
1682   -  Utilise number of State variables to ini    342   -  Utilise number of State variables to initialise full state of Output.
1683                                                  343 
1684 * G4Mag_SpinEqRhs                                344 * G4Mag_SpinEqRhs
1685   -  Initialise the values of dydx that we do    345   -  Initialise the values of dydx that we do not update.
1686                                                  346 
1687 Note: Undoing these changes and the ones belo << 347 Note: Undoing these changes and the ones below would enable the user to see 
1688         if undefined values are used in varia << 348         if undefined values are used in variables that he/she expects to 
1689         have integrated.                         349         have integrated.
1690       BUT the fix assists us to find truly un    350       BUT the fix assists us to find truly undefined values elsewhere
1691         -- if they exist -- using valgrind.      351         -- if they exist -- using valgrind.
1692                                                  352 
1693 Nov  9th, 2002     J. Apostolakis - field-V04    353 Nov  9th, 2002     J. Apostolakis - field-V04-01-02
1694 ---------------------------------                354 ---------------------------------
1695 Fixes to address use of uninitialised variabl    355 Fixes to address use of uninitialised variable in seting values of FieldTrack
1696 (this was done by design, but was neither ide    356 (this was done by design, but was neither ideal or always well-behaved.)
1697 Changed:                                         357 Changed:
1698                                                  358 
1699 * G4MagIntegratorDriver                          359 * G4MagIntegratorDriver
1700   - Added instance variables for number of In    360   - Added instance variables for number of Integration, State variables
1701   - Initialise all State variables of Output     361   - Initialise all State variables of Output with values from initial variables.
1702   - Only the Integration variables will be in    362   - Only the Integration variables will be integrated
1703                                                  363 
1704 * G4ClassicalRK4 and G4MagErrorStepper           364 * G4ClassicalRK4 and G4MagErrorStepper
1705   - Copy the initial time to intermediate and << 365   - Copy the initial time to intermediate and output C-vectors, 
1706      in order to provide a zero-eth estimate     366      in order to provide a zero-eth estimate value.
1707   Note1: Should clean-up this fix, making it     367   Note1: Should clean-up this fix, making it similar to Driver (above)
1708   Note2: Should *not* be used for time varyin << 368   Note2: Should *not* be used for time varying field unless created 
1709            with at least 8 integration variab    369            with at least 8 integration variables
1710 ---------------------------------             << 370 ---------------------------------  
1711 G4ChordFinder.cc                                 371 G4ChordFinder.cc
1712   - Correction from zero dChord                  372   - Correction from zero dChord
1713       which is does not update the Unconstrai    373       which is does not update the Unconstrained step estimate (state)
1714   - Added instance variables to store number     374   - Added instance variables to store number of calls and chord-trials
1715       and new print method for 'debugging'       375       and new print method for 'debugging'
1716                                                  376 
1717 G4Mag_UsualEqRhs.cc                              377 G4Mag_UsualEqRhs.cc
1718   - Attempted approximations for speedup  *ov    378   - Attempted approximations for speedup  *overwritten* by full inverse sqrt.
1719                                                  379 
1720                                                  380 
1721 Oct  29th, 2002   J. Apostolakis - test-V04-0    381 Oct  29th, 2002   J. Apostolakis - test-V04-01-02
1722 --------------------------------                 382 --------------------------------
1723 - Changed output of tests for small output ch    383 - Changed output of tests for small output change (GeV->MeV)
1724                                                  384 
1725 Oct  29th, 2002   J. Apostolakis - test-V04-0    385 Oct  29th, 2002   J. Apostolakis - test-V04-01-02
1726 --------------------------------                 386 --------------------------------
1727 - (Only changed and tagged test subdirectory)    387 - (Only changed and tagged test subdirectory)
1728   Changed tests to use the new method SetChar << 388   Changed tests to use the new method SetChargeMomentumMass of 
1729   PropagatorInField in order to be ready for  << 389   PropagatorInField in order to be ready for its full use in 
1730   G4PropagatorInField.                           390   G4PropagatorInField.
1731   (A key problem at end-July was this non-pre    391   (A key problem at end-July was this non-preparedness of the unit tests.)
1732                                                  392 
1733 Jul  24th, 2002   G. Cosmo - field-V04-01-01     393 Jul  24th, 2002   G. Cosmo - field-V04-01-01
1734 --------------------------                       394 --------------------------
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta    395 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736   fDefault_Delta_Intersection_Val normal cons    396   fDefault_Delta_Intersection_Val normal constants (not static) to
1737   resolve initialisation problems. Coworks wi    397   resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738   Fixes problem report #383.                     398   Fixes problem report #383.
1739                                                  399 
1740 Jul  23rd, 2002   G. Cosmo - field-V04-01-00     400 Jul  23rd, 2002   G. Cosmo - field-V04-01-00
1741 --------------------------                       401 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o    402 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743   Protected variable 'nStpPr' with G4DEBUG_FI    403   Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up    404 - Updated reference outputs and some other updates to unit tests.
1745                                                  405 
1746 Jun  25th, 2002   J. Apostolakis - field-V04-    406 Jun  25th, 2002   J. Apostolakis - field-V04-00-05
1747 --------------------------------                 407 --------------------------------
1748 - G4ChordFinder.cc                               408 - G4ChordFinder.cc
1749   In NewStep:  fixed case of stepTrial >> ste    409   In NewStep:  fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750        (it was treated the same as stepTrial     410        (it was treated the same as stepTrial << old)
1751   Added guard for stepTrial==0.0 in FindNextC    411   Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc                       412 - G4MagIntegratorDriver.cc
1753   Added protection against error of 0.0 in Co    413   Added protection against error of 0.0 in ComputeNewStepSize.
1754                                                  414 
1755 - G4EquationOfMotion                             415 - G4EquationOfMotion
1756   Made RightHandSide an inline method         << 416   Made RightHandSide an inline method 
1757   In GetFieldValue signature of Point is doub    417   In GetFieldValue signature of Point is double[4], instead of double[3]
1758   Defined G4maximum_number_of_field_component    418   Defined G4maximum_number_of_field_components as enum
1759                                                  419 
1760 Jun   7th, 2002   J. Apostolakis - field-V04-    420 Jun   7th, 2002   J. Apostolakis - field-V04-00-04
1761 --------------------------------                 421 --------------------------------
1762  - G4Mag_SpinEqRhs.cc                            422  - G4Mag_SpinEqRhs.cc
1763     o Fix to momentum component of Rhs.          423     o Fix to momentum component of Rhs.
1764                                                  424 
1765 May  31st, 2002   J. Apostolakis - field-V04-    425 May  31st, 2002   J. Apostolakis - field-V04-00-03
1766 --------------------------------                 426 --------------------------------
1767  - G4MagHelicalStepper.icc                       427  - G4MagHelicalStepper.icc
1768     o Fix to LinearStep (correcting previous     428     o Fix to LinearStep (correcting previous fix/cosmetic)
1769  - G4ChordFinder.cc                              429  - G4ChordFinder.cc
1770     o Corrective behaviour for very small or     430     o Corrective behaviour for very small or large changes of 'new step'
1771        [observed in complex 3-d fields (purgi    431        [observed in complex 3-d fields (purging magnet),  or
1772                     approximate equations of     432                     approximate equations of motion ]
1773  - G4MagIntegratorDriver                         433  - G4MagIntegratorDriver
1774     o More information in debug printing (tan    434     o More information in debug printing (tangent cosine, norm)
1775                                                  435 
1776 May   7th, 2002   J. Apostolakis                 436 May   7th, 2002   J. Apostolakis
1777 --------------------------------                 437 --------------------------------
1778 - G4MagIntegratorDriver  -  ( on trunk )         438 - G4MagIntegratorDriver  -  ( on trunk )
1779   * Fix to update the field track for steps s << 439   * Fix to update the field track for steps smaller than the chord finder's 
1780 minstep.                                      << 440 minstep. 
1781                                                  441 
1782                                                  442 
1783 April 19th, 2002  J. Apostolakis   (not inclu    443 April 19th, 2002  J. Apostolakis   (not included in tag field-V04-00-02)
1784 --------------------------------                 444 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc     (on trunk)     445 - G4MagIntegratorDriver.hh,cc     (on trunk)
1786   * Bug fix:  last step can now only be trigg    446   * Bug fix:  last step can now only be triggerred if x+h > x2.
1787   * Debugging methods improved.                  447   * Debugging methods improved.
1788                                                  448 
1789 May   7th, 2002   J. Apostolakis - field-V04-    449 May   7th, 2002   J. Apostolakis - field-V04-00-02
1790 --------------------------------                 450 --------------------------------
1791  Tag including only two changes below:           451  Tag including only two changes below:
1792   - Putting aside the other fixes/changes (as << 452   - Putting aside the other fixes/changes (as the one above) to 
1793 G4MagIntegratorDriver, tagging only the fix t << 453 G4MagIntegratorDriver, tagging only the fix to update the field track 
1794 for steps smaller than the chord finder's min    454 for steps smaller than the chord finder's minstep.
1795                                                  455 
1796 May   7th, 2002   J. Apostolakis                 456 May   7th, 2002   J. Apostolakis
1797 --------------------------------                 457 --------------------------------
1798 - G4MagIntegratorDriver  -  **  branch ** on     458 - G4MagIntegratorDriver  -  **  branch ** on 1.20 **
1799   * Fix to update the field track for steps s << 459   * Fix to update the field track for steps smaller than the chord finder's 
1800 minstep.                                      << 460 minstep. 
1801                                                  461 
1802 May   7th, 2002   J. Apostolakis                 462 May   7th, 2002   J. Apostolakis
1803 --------------------------------                 463 --------------------------------
1804 - G4MagIntegratorStepper                         464 - G4MagIntegratorStepper
1805   * Changed RightHandSide from a virtual meth << 465   * Changed RightHandSide from a virtual method to an inline (non-virtual) 
1806       method -- it is not and should not be c    466       method -- it is not and should not be changed by derived classes.
1807                                                  467 
1808 Mar 28th, 2002  J. Apostolakis - field-V04-00    468 Mar 28th, 2002  J. Apostolakis - field-V04-00-01
1809 -----------------------                          469 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex << 470 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction), 
1811     that had not been updated for new integra    471     that had not been updated for new integration variable (momentum).
1812     --> found in testing helical steppers in  << 472     --> found in testing helical steppers in BaBar setup, 
1813          in region of negligible field.          473          in region of negligible field.
1814                                                  474 
1815 - Changed maximum number of steps in driver,  << 475 - Changed maximum number of steps in driver, 
1816     halving from 500/order to 250/order.         476     halving from 500/order to 250/order.
1817                                                  477 
1818 Mar 28th, 2002  J. Apostolakis                   478 Mar 28th, 2002  J. Apostolakis
1819 -----------------------                          479 -----------------------
1820 - Committed directory "OtherField" with examp    480 - Committed directory "OtherField" with examples of fields,
1821     Delphi, Quadropole etc.                      481     Delphi, Quadropole etc.
1822                                                  482 
1823 - Updated outputs of testPropagateMagField fo    483 - Updated outputs of testPropagateMagField for new version of source,
1824     that has 3rd test case.                      484     that has 3rd test case.
1825                                                  485 
1826 - Added new runs and outputs for testProElect << 486 - Added new runs and outputs for testProElectroMagField, with 
1827     several steppers, and modified test scrip    487     several steppers, and modified test script test.sh accordingly.
1828                                                  488 
1829                                                  489 
1830 Feb  2nd, 2002   V. Grichine                     490 Feb  2nd, 2002   V. Grichine
1831 ------------------------                         491 ------------------------
1832 Update of test/field02 to utilise new feature << 492 Update of test/field02 to utilise new features 
1833   - for Electric Field, to signal that a fiel    493   - for Electric Field, to signal that a field modifies the energy;
1834   - updating of time by integration, for time    494   - updating of time by integration, for time dependent fields.
1835                                                  495 
1836 Jan 10th, 2002  G. Cosmo - field-V04-00-00       496 Jan 10th, 2002  G. Cosmo - field-V04-00-00
1837 ------------------------                         497 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile.        498 - Activated G4DEBUG_FIELD in GNUmakefile.
1839                                                  499 
1840 Jan 7th, 2002  J. Apostolakis                    500 Jan 7th, 2002  J. Apostolakis
1841 -----------------------------                    501 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia    502 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843                                                  503 
1844 Dec 4th, 2001  G. Cosmo - field-V03-02-08        504 Dec 4th, 2001  G. Cosmo - field-V03-02-08
1845 -----------------------                          505 -----------------------
1846 - Fixed interface to virtual functions in the    506 - Fixed interface to virtual functions in the inheritance chain.
1847   Added 'virtual' qualifier to destructor and    507   Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848   of G4Field which may act as base class for     508   of G4Field which may act as base class for user-defined fields.
1849   Modified files: G4MagneticField.hh, G4Unifo    509   Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850                   G4UniformMagField.hh.          510                   G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng    511 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852   inside #ifdef G4DEBUG_FIELD. Other #ifdef r    512   inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w    513 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854   is returned (V.Grichine).                      514   is returned (V.Grichine).
1855                                                  515 
1856 Nov 28th, 2001  J. Apostolakis - field-V03-02    516 Nov 28th, 2001  J. Apostolakis - field-V03-02-07
1857 ------------------------------                   517 ------------------------------
1858 G4FieldManager                                   518 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g    519 - Added fFieldChangesEnergy data member and get/set methods
1860  ( required to allow transportation to know h    520  ( required to allow transportation to know how to calculate end-time,
1861    enabling the integration of time only for     521    enabling the integration of time only for electric fields. )
1862                                                  522 
1863 Nov 28th, 2001  J. Apostolakis - field-V03-02    523 Nov 28th, 2001  J. Apostolakis - field-V03-02-06
1864 ------------------------------                   524 ------------------------------
1865 Small fixes only:                                525 Small fixes only:
1866                                                  526 
1867 G4CashKarpRKF45                                  527 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array     528 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869                                                  529 
1870 G4EqMagElectricField                             530 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci    531 - bug fixed in the formula for inverse velocity             (-> V. Grichine)
1872                                                  532 
1873 Nov 21st, 2001  G. Cosmo - field-V03-02-05       533 Nov 21st, 2001  G. Cosmo - field-V03-02-05
1874 ------------------------                         534 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB    535 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876   (V.Grichine).                                  536   (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma    537 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02.                  538 - Updates to unit test field02.
1879                                                  539 
1880 Nov 13th, 2001  G. Cosmo - field-V03-02-04       540 Nov 13th, 2001  G. Cosmo - field-V03-02-04
1881 ------------------------                         541 ------------------------
1882 - Removed warnings on gcc-2.95.2.                542 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field    543 - Included unit tests field01, field02, field03.
1884                                                  544 
1885 Nov 9th, 2001  J. Apostolakis - field-V03-02-    545 Nov 9th, 2001  J. Apostolakis - field-V03-02-03
1886 -----------------------------                    546 -----------------------------
1887 Motivated by the use case of an Electric Fiel    547 Motivated by the use case of an Electric Field,
1888  - in order to achieve reasonable accuracy in    548  - in order to achieve reasonable accuracy in time integration,
1889  - and to enable fields that vary with the gl    549  - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol    550 we (John Ap. and V. Grichine) changed the following:
1891                                                  551 
1892 - Modified G4Field to allow the time in the G << 552 - Modified G4Field to allow the time in the GetFieldValue method 
1893      - as 4th component of the "position" arr    553      - as 4th component of the "position" array.
1894                                                  554 
1895 - Modified EquationOfMotion to provide the ti    555 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896    of G4Field                                    556    of G4Field
1897       * as the 4th component of a position /     557       * as the 4th component of a position / time  4-array
1898       * in place of only position as a 3-arry    558       * in place of only position as a 3-arry
1899                                                  559 
1900 - Added the global time as variable to be int << 560 - Added the global time as variable to be integrated over in the 
1901    case of an Electric Field                     561    case of an Electric Field
1902                                                  562 
1903 Support for these modifications is required i    563 Support for these modifications is required in G4Transportation.
1904                                                  564 
1905 (Better support will require either              565 (Better support will require either
1906  - a modification in G4FieldTrack to indicate    566  - a modification in G4FieldTrack to indicate whether the time has been
1907     integrated or not.                        << 567     integrated or not.  
1908  - or additionally making the time calculatio    568  - or additionally making the time calculation a property of G4FieldTrack,
1909     bring in code to do it in from G4Transpor    569     bring in code to do it in from G4Transportation.)
1910                                                  570 
1911                                                  571 
1912 Nov  8th, 2001  J. Apostolakis - field-V03-02    572 Nov  8th, 2001  J. Apostolakis - field-V03-02-02
1913 ------------------------                         573 ------------------------
1914 - Introduced several changes in G4MagIntegrat    574 - Introduced several changes in G4MagIntegratorDriver.
1915                                                  575 
1916    It now respects its minimum driver step si    576    It now respects its minimum driver step size in AccurateAdvance.
1917      * whereas before it did not.                577      * whereas before it did not.
1918                                                  578 
1919    Modified maximum number of steps, lowering    579    Modified maximum number of steps, lowering by factor of 10.
1920      -> it should reduce the time spent integ    580      -> it should reduce the time spent integrating low energy particles,
1921    in some cases where it is unneccessary.       581    in some cases where it is unneccessary.
1922                                                  582 
1923    Protected printing of (nearly?) all warnin    583    Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD  #ifdef.
1924                                                  584 
1925                                                  585 
1926 Nov 05th, 2001  G. Cosmo - field-V03-02-01       586 Nov 05th, 2001  G. Cosmo - field-V03-02-01
1927 ------------------------                         587 ------------------------
1928 - Fixed trivial warnings on Linux-g++.           588 - Fixed trivial warnings on Linux-g++.
1929                                                  589 
1930 Aug 27th, 2001  J. Apostolakis - field-V03-02    590 Aug 27th, 2001  J. Apostolakis - field-V03-02-00
1931 ------------------------------                   591 ------------------------------
1932 Tagged last change.                              592 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 (    593 This tag is utilised in transport-V03-02-01 (which requires it).
1934                                                  594 
1935 Aug 16th, 2001  J. Apostolakis                   595 Aug 16th, 2001  J. Apostolakis
1936 ------------------------------                   596 ------------------------------
1937 G4ChordFinder:                                   597 G4ChordFinder:
1938  Added method to erase/reset the state of the    598  Added method to erase/reset the state of the StepEstimate.
1939  This is unwanted internal state that was car    599  This is unwanted internal state that was carried between tracks and
1940      events as a side effect.                    600      events as a side effect.
1941                                                  601 
1942  Calling this at the start of each track, it     602  Calling this at the start of each track, it is now possible to
1943  eliminate a non-repeatability that was possi    603  eliminate a non-repeatability that was possible due to this.
1944     ( It has been observed in particular in v    604     ( It has been observed in particular in vaccuum. )
1945                                                  605 
1946 May 23rd, 2001  J. Apostolakis - field-V03-01    606 May 23rd, 2001  J. Apostolakis - field-V03-01-02
1947 ------------------------------                   607 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo    608 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949                                                  609 
1950 May 23rd, 2001  J. Apostolakis - field-V03-01    610 May 23rd, 2001  J. Apostolakis - field-V03-01-01
1951 ------------------------------                   611 ------------------------------
1952 - Fixed G4FieldManager constructors to give d    612 - Fixed G4FieldManager constructors to give default values to delta
1953   parameters.                                    613   parameters.
1954                                                  614 
1955 - Updated testPropagateSpin (it now compiles) << 615 - Updated testPropagateSpin (it now compiles), 
1956    and some outputs of testPropagateMagField     616    and some outputs of testPropagateMagField (1 to 5)
1957                                                  617 
1958                                                  618 
1959 Apr 12th, 2001  P. Gumplinger - field-V03-01-    619 Apr 12th, 2001  P. Gumplinger - field-V03-01-00
1960 -----------------------------                    620 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq    621 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962   to spin tracking.                              622   to spin tracking.
1963                                                  623 
1964 Apr 04th, 2001  G. Cosmo - field-V03-00-05       624 Apr 04th, 2001  G. Cosmo - field-V03-00-05
1965 ------------------------                         625 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o    626 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967                                                  627 
1968 Mar 23rd, 2001  J. Apostolakis - field-V03-00    628 Mar 23rd, 2001  J. Apostolakis - field-V03-00-04
1969 ------------------------------                   629 ------------------------------
1970 - Electric Field unit test now works: test ru    630 - Electric Field unit test now works: test runs until completion.
1971    Test outputs saved (on Linux).                631    Test outputs saved (on Linux).
1972                                                  632 
1973 - Fixed src/G4UniformElectricField.cc to set     633 - Fixed src/G4UniformElectricField.cc to set correct field components
1974                                       (compat    634                                       (compatible with Equation of Motion
1975                                        G4EqMa    635                                        G4EqMagElectricField )
1976                                                  636 
1977 - Tidied G4FieldTrack                            637 - Tidied G4FieldTrack
1978    * deleted obsolete methods Set/Get Momentu    638    * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979    * in constructor to set the value of the s << 639    * in constructor to set the value of the spin to (0.0, 0.0, 0.0) 
1980           if pSpin is null.  (It was undefine    640           if pSpin is null.  (It was undefined.)
1981                                                  641 
1982 Mar 23rd, 2001  J. Apostolakis - field-V03-00    642 Mar 23rd, 2001  J. Apostolakis - field-V03-00-03
1983 ------------------------------                   643 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil << 644 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.   
1985                                                  645 
1986 - Modified G4MagIntegratorStepper             << 646 - Modified G4MagIntegratorStepper 
1987      to use pointer to G4EquationOfMotion        647      to use pointer to G4EquationOfMotion
1988             instead of G4Mag_EqRhs               648             instead of G4Mag_EqRhs
1989                                                  649 
1990 - Design iteration appears neccessary            650 - Design iteration appears neccessary
1991                                                  651 
1992 Mar 23rd, 2001  J. Apostolakis - field-V03-00    652 Mar 23rd, 2001  J. Apostolakis - field-V03-00-02
1993 ------------------------------                   653 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for    654 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995     the possibility of (correct) use of all H << 655     the possibility of (correct) use of all Helical Steppers. 
1996                                                  656 
1997 - test/testProElectroMagField.cc updated for     657 - test/testProElectroMagField.cc updated for momentum.
1998     (Not yet updated: Spin tests)                658     (Not yet updated: Spin tests)
1999                                                  659 
2000                                                  660 
2001 Mar 19th, 2001  J. Apostolakis - field-V03-00    661 Mar 19th, 2001  J. Apostolakis - field-V03-00-01
2002 ------------------------------                   662 ------------------------------
2003 - Tagging the modification of several classes    663 - Tagging the modification of several classes to integrate in momentum*c_light
2004     instead of velocity.                      << 664     instead of velocity.  
2005   Reason for change:  Velocity integration ca    665   Reason for change:  Velocity integration can result in superluminar
2006     velocities,  due to arithmetic inaccuraci    666     velocities,  due to arithmetic inaccuracies.
2007   Classes modified:                           << 667   Classes modified: 
2008     G4FieldTrack,   (Changed components 3,4,5    668     G4FieldTrack,   (Changed components 3,4,5 of SixVector to Momentum,
2009     G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle    669     G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010                                                  670 
2011 Feb 20th, 2001  J. Apostolakis                << 671 Feb 20th, 2001  J. Apostolakis 
2012                                                  672 
2013 - Modified several classes to integrate in mo    673 - Modified several classes to integrate in momentum instead of velocity.
2014                                                  674 
2015  G4FieldTrack:                                   675  G4FieldTrack:
2016      Changed components 3,4,5 of SixVector to    676      Changed components 3,4,5 of SixVector to Momentum,
2017      Modified constructor                        677      Modified constructor
2018      Added energy calculation to "LoadFromArr    678      Added energy calculation to "LoadFromArray" method
2019      GetEnergy method is now implemented.     << 679      GetEnergy method is now implemented. 
2020      Deleted obsolete (old) method names for     680      Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021                                                  681 
2022  G4ChordFinder                                   682  G4ChordFinder
2023      Renamed old-method names of Field Track  << 683      Renamed old-method names of Field Track to new ones. 
2024                                                  684 
2025 Jan 29th, 2001  G. Cosmo - field-V03-00-00       685 Jan 29th, 2001  G. Cosmo - field-V03-00-00
2026 -------------------------                        686 -------------------------
2027                                                  687 
2028 - Minor fix to G4MagneticField.hh: added expl    688 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029   copy constructor. Fixes report #205.           689   copy constructor. Fixes report #205.
2030                                                  690 
2031 Nov 20th, 2000  G. Cosmo - field-V02-00-02       691 Nov 20th, 2000  G. Cosmo - field-V02-00-02
2032                                                  692 
2033 - Fixes to remove warnings from "-Wall -ansi     693 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034   o commented out variables declared and not     694   o commented out variables declared and not used.
2035   o fixed declaration of variables used befor    695   o fixed declaration of variables used before being initialised.
2036   o fixed order of initialisation of member d    696   o fixed order of initialisation of member data in constructors.
2037   o fixed usage of unsigned-int (size_t) for     697   o fixed usage of unsigned-int (size_t) for array indeces.
2038                                                  698 
2039 Nov 9th, 2000  G. Cosmo - field-V02-00-01        699 Nov 9th, 2000  G. Cosmo - field-V02-00-01
2040                                                  700 
2041 - G4FieldManager: added check on existence of    701 - G4FieldManager: added check on existence of allocated fChordFinder
2042   in CreateChordFinder(G4MagneticField*) meth    702   in CreateChordFinder(G4MagneticField*) method.
2043                                                  703 
2044 Nov 1st, 2000  G. Cosmo - field-V02-00-00        704 Nov 1st, 2000  G. Cosmo - field-V02-00-00
2045                                                  705 
2046 - QA code revision and cleanup (+fixes from C    706 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047   o Added (private) declarations of copy cons    707   o Added (private) declarations of copy constructor and assignment operator
2048     where needed.                                708     where needed.
2049   o Added "const" qualifier to accessor metho    709   o Added "const" qualifier to accessor methods, wherever needed.
2050   o Added equality check on operator= where n    710   o Added equality check on operator= where needed.
2051   o Made destructor "virtual" for classes hav    711   o Made destructor "virtual" for classes having virtual methods,
2052     wherever missing.                            712     wherever missing.
2053   o Changed virtual functions to non-inline w    713   o Changed virtual functions to non-inline wherever's the case.
2054   o Changed return value to be "const" pointe    714   o Changed return value to be "const" pointer to functions:
2055     - G4EquationOfMotion::GetFieldObj()          715     - G4EquationOfMotion::GetFieldObj()
2056     - G4FieldManager::GetDetectorField()         716     - G4FieldManager::GetDetectorField()
2057     - G4MagIntegratorDriver::GetStepper()        717     - G4MagIntegratorDriver::GetStepper()
2058   o Fixed and corrected signature to G4MagInt    718   o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059   o Added "inline" qualifier to methods' decl    719   o Added "inline" qualifier to methods' declarations.
2060   o General cosmetics                            720   o General cosmetics
2061                                                  721 
2062 Jun 2nd, 2000  J. Apostolakis                    722 Jun 2nd, 2000  J. Apostolakis
2063 - G4FieldManager[.hh.icc]                        723 - G4FieldManager[.hh.icc]
2064   o Added DeltaIntersection and DeltaOneStep     724   o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065     Get/Set methods and SetAccuraciesWithDelt    725     Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066                                                  726 
2067 May 31st, 2000  J. Apostolakis - field-V01-01    727 May 31st, 2000  J. Apostolakis - field-V01-01-03
2068                                                  728 
2069 include/G4FieldManager.hh,icc                    729 include/G4FieldManager.hh,icc
2070   o Moved Delta Intersection and Delta One St    730   o Moved Delta Intersection and Delta One Step to FieldManager
2071      (from Propagator in Field),  to allow th    731      (from Propagator in Field),  to allow them to differ over the detector.
2072                                                  732 
2073 May 11th, 2000  J. Apostolakis - field-V01-01    733 May 11th, 2000  J. Apostolakis - field-V01-01-02
2074                                                  734 
2075 - G4ChordFinder[.hh.cc]                          735 - G4ChordFinder[.hh.cc]
2076   o Modified method for finding new trial ste    736   o Modified method for finding new trial step.
2077     New method assumes a quadratic relationsh    737     New method assumes a quadratic relationship between step-length and d_chord:
2078             d_chord  proportional  to  step-l    738             d_chord  proportional  to  step-lenght ^ 2
2079   o Added two small refinement in order to av    739   o Added two small refinement in order to avoid unneccesary extra step due to
2080     small numerical inaccuracies in estimatio    740     small numerical inaccuracies in estimation:
2081       FindNextChord                              741       FindNextChord
2082           to first step       use  (1-0.001)     742           to first step       use  (1-0.001) * last-step-estimate
2083       New Step:                                  743       New Step:
2084           to subsequent step  use    trial_st    744           to subsequent step  use    trial_step = 0.98 * estimate
2085                                                  745 
2086 May 10th, 2000  G. Cosmo                         746 May 10th, 2000  G. Cosmo
2087                                                  747 
2088 - G4MagneticField.hh: minor fix to dummy impl    748 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089   operator.                                      749   operator.
2090                                                  750 
2091 May    9th, 2000   J. Apostolakis - field-V01    751 May    9th, 2000   J. Apostolakis - field-V01-01-01
2092                                                  752 
2093 - G4MagErrorStepper:                          << 753 - G4MagErrorStepper: 
2094     Modified DistChord to check whether the c    754     Modified DistChord to check whether the chord endpoint are the same point.
2095                                                  755 
2096 - G4RKG3_Stepper:                                756 - G4RKG3_Stepper:
2097     Deleted error message from StepNoErr, as     757     Deleted error message from StepNoErr, as it is used in Stepper.
2098                                                  758 
2099 - G4MagIntegratorDriver:                         759 - G4MagIntegratorDriver:
2100     Changed the condition for the debug outpu    760     Changed the condition for the debug output  (~cosmetic)
2101                                                  761 
2102                                                  762 
2103 April 27th, 2000   G. Cosmo                      763 April 27th, 2000   G. Cosmo
2104                                                  764 
2105 - Reorganised comments for the Software Refer    765 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe    766 - Moved inlined definition to .icc files, where needed.
2107   Created: G4ChordFinder.icc and G4FieldManag    767   Created: G4ChordFinder.icc and G4FieldManager.icc.
2108                                                  768 
2109 April 13th, 2000   J. Apostolakis - field-V01    769 April 13th, 2000   J. Apostolakis - field-V01-01-00
2110                                                  770 
2111 - Modified signature to function DumbStepper(    771 - Modified signature to function DumbStepper() in classes:
2112   G4HelixExplicitEuler, G4HelixHeum, G4HelixI    772   G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113   G4HelixSimpleRunge and G4MagHelicalStepper.    773   G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu    774 - Modified signature and implementation of function MagFieldEvaluate()
2115   in G4MagHelicalStepper, to use Field (as Th    775   in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it     776 - Made Richardson extrapolation optional (it is unclear if
2117   it offers benefit) in G4MagHelicalStepper.     777   it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and    778 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b    779 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120   (V.Grichine).                                  780   (V.Grichine).
2121                                                  781 
2122 January  19th, 2000   G. Cosmo - field-V01-00    782 January  19th, 2000   G. Cosmo - field-V01-00-00
2123                                                  783 
2124 Syncronized versioning of files with HEAD aft    784 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes).                785 (essentially CVS header changes).
2126                                                  786 
2127 December  7th, 1999   J. Apostolakis - field-    787 December  7th, 1999   J. Apostolakis - field-V00-01-01a
2128                                                  788 
2129 For negative or very small curve lengths (h)     789 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe    790 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless.                            791 as it is meaningless.
2132                                                  792 
2133 November 23rd, 1999   J. Apostolakis - field-    793 November 23rd, 1999   J. Apostolakis - field-V00-01-01
2134                                                  794 
2135 Tagged this sub-category's state in geometry-    795 Tagged this sub-category's state in geometry-V00-01-01
2136                                                  796 
2137                                                  797 
2138 July      6th, 1999   J. Apostolakis - field-    798 July      6th, 1999   J. Apostolakis - field-01-00-07
2139                                                  799 
2140 These fixes and those in field-01-00-06 and f    800 These fixes and those in field-01-00-06 and field-01-00-06a all come
2141 from the need to cope with the imprecision of    801 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig << 802 interaction with paths that are rather straight. 
2143                                                  803 
2144 G4MagIntegrationDriver:                       << 804 G4MagIntegrationDriver: 
2145  i) AccurateAdvance now that the chord distan    805  i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon).                           806 gth (times 1+epsilon).
2147                                                  807 
2148 ii) OneGoodStep and QuickAdvance considers th    808 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b    809 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given.                         810 the "eps" maximum given.
2151                                                  811 
2152 G4ChordFinder:                                   812 G4ChordFinder:
2153   Having found that the curve_length vs ABdis    813   Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration:              814 the imprecision of the integration:
2155   i) Modified the exception in this case to h    815   i) Modified the exception in this case to happen only for very large
2156    relative disrepancies ( 10 * eps ).           816    relative disrepancies ( 10 * eps ).
2157  ii) Undertaken a default corrective action i    817  ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve    818 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu    819 ie step lengths much smaller than the curvature of the track.
2160                                                  820 
2161 July      1st, 1999   J. Apostolakis - field-    821 July      1st, 1999   J. Apostolakis - field-01-00-06a
2162                                                  822 
2163 In order to cope with the anomalous condition    823 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField,  we ensure that the f    824 in G4PropagatorInField,  we ensure that the fraction_AE is always between
2165 0 and 1.0.  (giving it a default value of 0.5    825 0 and 1.0.  (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV )          826 ( in G4ChordFinder::ApproxCurvePointV )
2167                                                  827 
2168 June     29th, 1999   J. Apostolakis - field-    828 June     29th, 1999   J. Apostolakis - field-01-00-06
2169                                                  829 
2170   I re-instated a check on whether the input     830   I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t    831 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV )          832 ( in G4ChordFinder::ApproxCurvePointV )
2173                                                  833 
2174 The condition that prints out a warning messa    834 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi << 835 take into account the case of a very small final interval. 
2176 ( in G4MagInt_Driver::AccurateAdvance )          836 ( in G4MagInt_Driver::AccurateAdvance )
2177                                                  837 
2178 June     ??th, 1999   J. Apostolakis - field-    838 June     ??th, 1999   J. Apostolakis - field-01-00-05
2179                                                  839 
2180 The condition that prints out a warning messa << 840 The condition that prints out a warning message was changed to delete 
2181 an incorrect comparison.                      << 841 an incorrect comparison. 
2182 ( in G4MagInt_Driver::AccurateAdvance )          842 ( in G4MagInt_Driver::AccurateAdvance )
2183                                                  843 
2184 April    19th, 1999   J. Apostolakis - field-    844 April    19th, 1999   J. Apostolakis - field-01-00-04
2185                                                  845 
2186 G4MagErrorStepper: Cosmetic changes to name o    846 G4MagErrorStepper: Cosmetic changes to name of data members
2187                                                  847 
2188 March     4th, 1999   J. Apostolakis - field-    848 March     4th, 1999   J. Apostolakis - field-01-00-03
2189                                                  849 
2190 Corrected delete statement of arrays to use '    850 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45    851 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192                                                  852 
2193 February 17th, 1999   J. Apostolakis -  field    853 February 17th, 1999   J. Apostolakis -  field-01-00-02
2194                                                  854 
2195  Moved G4PropagatorInField files to geometry/ << 855  Moved G4PropagatorInField files to geometry/volumes. 
2196  Updated GNUmakefile not to depend on geometr    856  Updated GNUmakefile not to depend on geometry/volumes anymore.
2197    -> the known circular dependency is remove    857    -> the known circular dependency is removed
2198                                                  858 
2199                                                  859 
2200 February 12th, 1999   J. Apostolakis -  field    860 February 12th, 1999   J. Apostolakis -  field-spin1-works1     (act Feb17)
2201                                                  861 
2202   A tag that contains the first version that     862   A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory).   G4PropagateInSpin is still in t    863 directory).   G4PropagateInSpin is still in this version.  A small change
2204 in a branch of the header file was needed.    << 864 in a branch of the header file was needed. 
2205                                                  865 
2206                                                  866 
2207 February 10th, 1999   J. Apostolakis          << 867 February 10th, 1999   J. Apostolakis 
2208                                                  868 
2209 All the following changes are needed for ener    869 All the following changes are needed for energy integration also:
2210                                                  870 
2211 G4ChordFinder now passes to the constructed d    871 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a    872 Because of the need for the stepper to know about it in its Abstract interface
2213                                                  873 
2214 -> Moved theNumberOfVariables  from derived c    874 -> Moved theNumberOfVariables  from derived class G4MagErrorStepper
2215                                to base class     875                                to base class G4MagIntegratorStepper
2216                                                  876 
2217 As a consequense the classes that derived fro    877 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt << 878 were changed: G4CashKarpRKF45, G4MagHelicalStepper, 
2219                                                  879 
2220                                                  880 
2221 February  9th, 1999    J. Apostolakis            881 February  9th, 1999    J. Apostolakis
2222                                                  882 
2223 Equation of Motion:                              883 Equation of Motion:
2224 G4MagEqRhs.hh  Made SetChargeMomentumMass vir    884 G4MagEqRhs.hh  Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225                  can initialise its constants << 885                  can initialise its constants too. 
2226                                                  886 
2227                                                  887 
2228 February  9th, 1999   P. Gumplinger              888 February  9th, 1999   P. Gumplinger
2229                                                  889 
2230 Added Equation of Motion for Spin in Magnetic    890 Added Equation of Motion for Spin in Magnetic Field.
2231                                                  891 
2232                                                  892 
2233 February 17th, 1999   J. Apostolakis  -  fiel    893 February 17th, 1999   J. Apostolakis  -  field-01-00-01
2234   --->  date is correct, made sure that tag d    894   --->  date is correct, made sure that tag does not include above fixes!
2235                                               << 895   
2236  Moved G4PropagatorInField files to geometry/ << 896  Moved G4PropagatorInField files to geometry/volumes. 
2237  Updated GNUmakefile not to depend on geometr    897  Updated GNUmakefile not to depend on geometry/volumes anymore.
2238    -> the known circular dependency is remove    898    -> the known circular dependency is removed
2239                                                  899 
2240                                                  900 
2241 ---------------------------------------------    901 ---------------------------------------------------------------------------
2242     ------    Geant 4  Production Release   -    902     ------    Geant 4  Production Release   ------------
2243 ---------------------------------------------    903 --------------------------------------------------------------------------
2244 Nov   19th, 1998   J. Apostolakis  -  field-0    904 Nov   19th, 1998   J. Apostolakis  -  field-00-04-01head ===> R+D version only
2245                                                  905 
2246  G4PropagatorInField files modified:             906  G4PropagatorInField files modified:
2247                                                  907 
2248    - to store the last safety computed and it    908    - to store the last safety computed and its origin.
2249    - to give them to a requester                 909    - to give them to a requester
2250 ---------------------------------------------    910 ------------------------------------------------------------------
2251                                                  911 
2252 Nov   19th, 1998   J. Apostolakis  -  field-0    912 Nov   19th, 1998   J. Apostolakis  -  field-00-03-03b
2253                                                  913 
2254  Subtle fix to interface of G4UniformMagField << 914  Subtle fix to interface of G4UniformMagField::GetFieldValue  
2255          ( that tripped Visual C++ )             915          ( that tripped Visual C++ )
2256                                                  916 
2257  G4PropagatorInField:  added printing method     917  G4PropagatorInField:  added printing method for verboseness.
2258                                                  918 
2259 Nov   19th, 1998   J. Apostolakis  -  field-0    919 Nov   19th, 1998   J. Apostolakis  -  field-00-03-03a
2260                                                  920 
2261    Steppers:  Fixed instance variables constr    921    Steppers:  Fixed instance variables construction (SimpleRunge)
2262               and clash of names in CashKarp:    922               and clash of names in CashKarp::StepWithEstimate
2263                                                  923 
2264    Added post-const to all Field classes for     924    Added post-const to all Field classes for
2265            void GetFieldValue(const G4double     925            void GetFieldValue(const G4double yTrack[] ,
2266                                  G4double B[]    926                                  G4double B[]      ) const ;
2267                                                  927 
2268    Added SetFieldValue methods to UniformMagF    928    Added SetFieldValue methods to UniformMagField
2269                                                  929 
2270    Added GetConstantFieldValue() methods to U    930    Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271                                                  931 
2272                                                  932 
2273 Nov   19th, 1998   J. Apostolakis  -  field-0    933 Nov   19th, 1998   J. Apostolakis  -  field-00-03-03
2274                                                  934 
2275    Fixes to Propagate and Steppers               935    Fixes to Propagate and Steppers
2276                                                  936 
2277 Nov   19th, 1998   J. Apostolakis  -  field-0    937 Nov   19th, 1998   J. Apostolakis  -  field-00-03-02
2278                                                  938 
2279    Minor corrections  (???)                      939    Minor corrections  (???)
2280                                                  940 
2281 Nov   19th, 1998   J. Apostolakis  -  field-0    941 Nov   19th, 1998   J. Apostolakis  -  field-00-03-02
2282                                               << 942  
2283    Major development to allow Electric Field     943    Major development to allow Electric Field
2284                                               << 944    
2285                                                  945 
2286                                                  946 
2287 June  17th, 1998   J. Apostolakis  -  magfiel    947 June  17th, 1998   J. Apostolakis  -  magfield-06-03
2288                                                  948 
2289  Modified Files:                                 949  Modified Files:
2290         include/G4PropagatorInField.hh           950         include/G4PropagatorInField.hh
2291             src/G4PropagatorInField.cc           951             src/G4PropagatorInField.cc
2292            test/testPropagateInField.cc          952            test/testPropagateInField.cc
2293 ---------------------------------------------    953 ----------------------------------------------------------------------
2294                                                  954 
2295  1)  Added an assertion after each call to Lo << 955  1)  Added an assertion after each call to LocateGlobalPointAndSetup. 
2296      It checks that the located volume is equ    956      It checks that the located volume is equal to the current volume.
2297      If this check fails, the Propagator does    957      If this check fails, the Propagator does not know how to continue.
2298                                                  958 
2299  2)  Added an argument  to ComputeStep method    959  2)  Added an argument  to ComputeStep method of G4PropagatorInField.
2300   The new volume argument is used to check th    960   The new volume argument is used to check the current volume during the step.
2301                                                  961 
2302  3)  When G4Navigator's ComputeStep returned     962  3)  When G4Navigator's ComputeStep returned  stepLength==stepRequested,  this
2303 used to be treated as a failure to intersect.    963 used to be treated as a failure to intersect.  This is incorrect.
2304                                                  964 
2305     stepLength==stepRequested is an intersect    965     stepLength==stepRequested is an intersection,
2306       so I am now treating it as such in each    966       so I am now treating it as such in each comparison (of 3).
2307       Ignoring it causes problems, including     967       Ignoring it causes problems, including volume being skipped.
2308       --> but treating it as an intersection     968       --> but treating it as an intersection used to cause problems too ??
2309                                                  969 
2310                                                  970 
2311 May    7th, 1998    J. Apostolakis  -  magfie    971 May    7th, 1998    J. Apostolakis  -  magfield-06-02-helix01
2312                                                  972 
2313 - Tag includes new version of G4ChordFinder (    973 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314                                                  974 
2315                                                  975 
2316 May    7th, 1998    W. Wander     (recorded/c    976 May    7th, 1998    W. Wander     (recorded/commited by  J. Apostolakis)
2317                                                  977 
2318 - New "helical" RK steppers that move in heli    978 - New "helical" RK steppers that move in helical segments, not linear.
2319     * Several changes to add steppers         << 979     * Several changes to add steppers 
2320                                                  980 
2321  Modified Files:                                 981  Modified Files:
2322         G4MagErrorStepper.hh                  << 982         G4MagErrorStepper.hh 
2323         G4MagErrorStepper.cc                  << 983         G4MagErrorStepper.cc 
2324            added Helical stepping methods to     984            added Helical stepping methods to this general ABC.
2325                                               << 985         
2326         G4MagIntegratorStepper.hh                986         G4MagIntegratorStepper.hh
2327            made RightHandSide virtual   (this    987            made RightHandSide virtual   (this will be reversed very soon)
2328                                                  988 
2329         testPropagateMagField.cc                 989         testPropagateMagField.cc
2330            Test of Helical stepping functiona    990            Test of Helical stepping functionality added.
2331                                               << 991            
2332  Added Files for new Helical RK steppers, der    992  Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333         G4HelixExplicitEuler.cc  ( and .hh )     993         G4HelixExplicitEuler.cc  ( and .hh )
2334         G4HelixHeum.cc                           994         G4HelixHeum.cc
2335         G4HelixImplicitEuler.cc                  995         G4HelixImplicitEuler.cc
2336         G4HelixSimpleRunge.cc                 << 996         G4HelixSimpleRunge.cc  
2337                                                  997 
2338  Added File for implementation:                  998  Added File for implementation:
2339         G4MagErrorStepper.icc                    999         G4MagErrorStepper.icc
2340                                                  1000 
2341                                                  1001 
2342 May    7th, 1998    J. Apostolakis   -  magfi    1002 May    7th, 1998    J. Apostolakis   -  magfield-06-01
2343                                                  1003 
2344 - added small changes to                      << 1004 - added small changes to 
2345     * G4ChordFinder:           methods to get    1005     * G4ChordFinder:           methods to get/set IntegratorDriver
2346     * G4MagIntegratorDriver:   made OneGoodSt    1006     * G4MagIntegratorDriver:   made OneGoodStep method public
2347 - created the file.                              1007 - created the file.
                                                   >> 1008