| Geant4 Cross Reference |
1 # Category field History << 1 $Id: History,v 1.63 2002/07/24 10:43:22 gcosmo Exp $
>> 2 -------------------------------------------------------------------
2 3
3 See `CONTRIBUTING.rst` for details of **requir << 4 =========================================================
4 which **must** added in reverse chronological << 5 Geant4 - an Object-Oriented Toolkit for Simulation in HEP
5 It must **not** be used as a substitute for wr << 6 =========================================================
6 << 7
7 ---------------------------------------------- << 8 Category History file
8 << 9 ---------------------
9 ## 2024-11-26 Ivana Hrivnacova (field-V11-02-0 << 10 This file should be used by G4 developers and category coordinators
10 - Better names for the G4EquationType enum con << 11 to briefly summarize all major modifications introduced in the code
11 << 12 and keep track of all category-tags.
12 ## 2024-11-04 Philippe Canal (field-V11-02-05) << 13 It DOES NOT substitute the CVS log-message one should put at every
13 - Improve stability of static initialization f << 14 committal in the CVS repository !
14 StepperDescription() in G4DormandPrince745. << 15
15 << 16 ----------------------------------------------------------
16 ## 2024-09-10 Ivana Hrivnacova (field-V11-02-0 << 17 * Reverse chronological order (last date on top), please *
17 - Coverity fixes: << 18 ----------------------------------------------------------
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 <<
1359 May 10th, 2007 J.Apostolakis - field-V08-0 <<
1360 ------------------------------- <<
1361 - G4MagIntegratorDriver: <<
1362 * added protections against zero initial <<
1363 * revised (re)calculation of h, and quit <<
1364 <<
1365 April 26th, 2007 T.Nikitina - field-V08-02-0 <<
1366 ---------------------------- <<
1367 - Corrected integration constants in G4MagHel <<
1368 - Added implementation of G4RKG3_Stepper, ste <<
1369 - Updated NTST unit test. New unit test "fiel <<
1370 <<
1371 November 14th, 2006 J.Apostolakis - field-V0 <<
1372 ---------------------------------- <<
1373 - G4MagIntegratorDriver <<
1374 * Made first argument of GetDerivatives a r <<
1375 - G4MagIntegratorStepper <<
1376 * Include the SetEquationOfMotion() method <<
1377 (for Geant4e, as in field-V08-01-00) <<
1378 * Update of disclaimers. <<
1379 <<
1380 November 13th, 2006 G.Cosmo - field-V08-01-0 <<
1381 ---------------------------- <<
1382 - G4FieldTrack: <<
1383 o Implemented missing definition for GetCha <<
1384 o Corrected 'const' qualifier for accessors <<
1385 o Cleanup ... <<
1386 - NOTE: this tag is NOT including the change <<
1387 <<
1388 June 21st, 2006 J.Apostolakis - field-V08-01 <<
1389 ------------------------------ <<
1390 - Including the SetEquationOfMotion() method <<
1391 <<
1392 June 22nd, 2006 J.Apostolakis - field-V08-00 <<
1393 ----------------------------- <<
1394 - G4ExactHelixStepper: reintroduced corrected <<
1395 --> testPropagateMagField now tests it al <<
1396 - G4MagHelicalStepper: made Stepper virtual ( <<
1397 to enable G4ExactHelixStepper to <<
1398 <<
1399 June 21st, 2006 J.Apostolakis - field-V08-00 <<
1400 ----------------------------- <<
1401 - G4ExactHelixStepper: taking out class <<
1402 (provisional tag in case of difficulties w <<
1403 <<
1404 --- The field-V08-00-0x , x > 6, tags do not <<
1405 <<
1406 May 27th, 2006 J.Apostolakis - field-V08-00- <<
1407 ----------------------------- <<
1408 - G4FieldTrack: Fix for simple compilation er <<
1409 <<
1410 May 23rd, 2006 J.Apostolakis - field-V08-00- <<
1411 ----------------------------- <<
1412 - G4FieldTrack: Fix for memory leak for Charg <<
1413 Made G4ChargeState a data member (has an i <<
1414 <<
1415 May 18th, 2006 J.Apostolakis - field-V08-00- <<
1416 ----------------------------- <<
1417 - G4FieldTrack: Fix for issue with gcc 4.0 ( <<
1418 <<
1419 May 16th, 2006 J.Apostolakis - field-V08-00- <<
1420 ----------------------------- <<
1421 - G4ExactHelixStepper <<
1422 Taken out alpha version - it was included <<
1423 <<
1424 May 11th, 2006 J.Apostolakis - field-V08-00- <<
1425 ----------------------------- <<
1426 - G4FieldTrack <<
1427 Significant, provisional change: <<
1428 * Added charge and moments to FieldTrack <<
1429 (SetMethods, and pointer to embedde <<
1430 Technical revisions: <<
1431 * New constructor, with charge and witho <<
1432 * New almost-default constructor (taking <<
1433 Also: <<
1434 * New constructor to take const referenc <<
1435 * New implementation method UpdateFourMo <<
1436 * Streaming operator takes const referen <<
1437 and outputs momentum magnitude & dir <<
1438 <<
1439 - G4ExactHelixStepper <<
1440 Included in error <<
1441 <<
1442 Apr 6th, 2006 J.Apostolakis - field-V08-00-0 <<
1443 ---------------------------- <<
1444 - In G4FieldManager <<
1445 Added missing const GetChordFinder() method <<
1446 Corrected description (at top of include fil <<
1447 - It is possible to set the field manager o <<
1448 <<
1449 <<
1450 Nov 9th, 2005 G.Cosmo - field-V07-01-00 <<
1451 ---------------------- <<
1452 - Archived source code of field01 unit test, <<
1453 - Migrated unit test NTST to use <sstream> an <<
1454 with G4VParticleChange new interface. <<
1455 <<
1456 Dec 2nd, 2004 G.Cosmo - field-V06-02-02 <<
1457 ---------------------- <<
1458 - Implemented migration to <cmath> for standa <<
1459 <<
1460 Dec 2nd, 2004 J.Apostolakis - field-V06-02-0 <<
1461 ---------------------------- <<
1462 - Improvements to comments in key Field class <<
1463 - Changes to test/NTST, renaming 'main()' fil <<
1464 - Several improvements to test files <<
1465 testProElectroMagField.cc <<
1466 * updating for new Electric Field inheri <<
1467 different ChordFinder creation ) <<
1468 * adding columns to print-outs in spin c <<
1469 testPropagateMagField.cc <<
1470 * Added verbosity level 1 to field Propa <<
1471 testPropagateSpin.cc <<
1472 * Added more printout of parameters (sta <<
1473 and G4FieldManager before running each <<
1474 test/NTST <<
1475 * Renamed main() file to testNTST.cc and <<
1476 <<
1477 <<
1478 Oct 20th, 2004 P.Gumplinger - field-V06-02-0 <<
1479 ---------------------------- <<
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi <<
1481 <<
1482 Feb 9th, 2004 G.Cosmo - field-V06-00-00 <<
1483 ---------------------- <<
1484 - G4UniformMagField.cc: added missing impleme <<
1485 GetConstantFieldValue(). Fixes bug report # <<
1486 <<
1487 Nov 13th, 2003 J.Apostolakis - field-V05-02- <<
1488 ----------------------------- <<
1489 - G4ChordFinder: <<
1490 o extended the arguments of AdvanceChordLim <<
1491 adding the current safety sphere (origin, <<
1492 o fixed set functions which had side effect <<
1493 - Added new class G4ChordFinderSaf (using abo <<
1494 o which uses safety to create longer chords <<
1495 propagation in fewer steps --> performa <<
1496 - G4FieldManager: <<
1497 Changed default accuracy parameters to mu <<
1498 Epsilon Min Default to 5.0e-5 from <<
1499 Epsilon Max Default to 0.001 from <<
1500 <<
1501 Nov 7th, 2003 J.Apostolakis - field-V05-02- <<
1502 ----------------------------- <<
1503 - G4ChordFinder <<
1504 o Made this a base class <<
1505 * to enable specialised implementations <<
1506 * virtual methods: FindNextChord, PrintSt <<
1507 * new method AccumulateStatistics to aid <<
1508 <<
1509 o New default value of <<
1510 Delta Chord to 0.25 mm (from <<
1511 <<
1512 - G4FieldManager <<
1513 o Changed default values of <<
1514 Delta One Step to 0.010 mm (from <<
1515 Delta Intersection to 0.001 mm (from <<
1516 for increased default accuracy <<
1517 o Use field's DoesFieldChangesEnergy method <<
1518 <<
1519 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 <<
1520 ---------------------------- <<
1521 - G4ChordFinder <<
1522 Created new class members for parameters u <<
1523 fFirstFraction for first st <<
1524 fFractionLast fraction of <<
1525 fFractionNextEstimate confidence i <<
1526 fMultipleRadius for small ra <<
1527 New method to Print Statistics. <<
1528 Verbosity to enable optional printing of s <<
1529 <<
1530 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 <<
1531 ---------------------------- <<
1532 - G4ChordFinder <<
1533 o Added simple statistics (with access meth <<
1534 - test/NTST <<
1535 o Added new test, taken from D. Williams' e <<
1536 modified and maintained by J. Apostolaki <<
1537 <<
1538 Nov 5th, 2003 J.Apostolakis - field-V05-02-0 <<
1539 ---------------------------- <<
1540 - G4FieldManager <<
1541 o Added Get/Set Min/Max imumEpsilonStep <<
1542 o Added fEpsilonMin fEpsilonMax & default t <<
1543 >> Now these can be tailored for different <<
1544 <<
1545 - G4Field G4ElectroMagneticField G4MagneticFi <<
1546 o Adding the virtual method DoesFieldChan <<
1547 o So that G4ElectroMagneticField derives fr <<
1548 and G4MagneticField derives from G4Electr <<
1549 <<
1550 - G4MagErrorStepper and derived classes <<
1551 (G4ClassicalRK4 G4SimpleRunge G4ExplicitE <<
1552 o the constructors take G4EquationOfMotion <<
1553 as it these applicable to all types of eq <<
1554 (not just ones for Magnetic field) <<
1555 <<
1556 - G4EqMagElectricField <<
1557 o derives from G4EquationOfMotion <<
1558 <<
1559 - G4ChordFinder <<
1560 o Moved simple constructor to .cc file (tog <<
1561 o Changed fDefaultDeltaChord to a constant <<
1562 <<
1563 Nov 4th, 2003 G.Cosmo - field-V05-02-03 <<
1564 ---------------------- <<
1565 Undocumented. <<
1566 <<
1567 Nov 4th, 2003 G.Cosmo - field-V05-02-02 <<
1568 ---------------------- <<
1569 - G4ChordFinder.cc: <<
1570 o Fixed compilation problem occuring when G <<
1571 <<
1572 Oct 31st, 2003 G.Cosmo - field-V05-02-01 <<
1573 ----------------------- <<
1574 - Code cleanup and removal of redundant heade <<
1575 where necessary by forward declarations. <<
1576 <<
1577 Oct 24th, 2003 G.Cosmo - field-V05-02-00 <<
1578 ----------------------- <<
1579 - Migrated to use new G4Exception scheme. <<
1580 - Updated outputs of unit tests. <<
1581 <<
1582 Jun 25th, 2003 J.Apostolakis - field-V05-01- <<
1583 ----------------------------- <<
1584 - Suppressed printing of statistics (by defau <<
1585 - Fix for unused variables warning in ChordFi <<
1586 <<
1587 Jun 24th, 2003 J.Apostolakis - field-V05-01- <<
1588 ----------------------------- <<
1589 - Fix for problems introduced in field-V05-01 <<
1590 o G4ChordFinder: <<
1591 - Fixed unitialised variable for next ste <<
1592 - Protected assignment of 'fLastStepEstim <<
1593 unitialised value. <<
1594 <<
1595 Jun 21st, 2003 J.Apostolakis - field-V05-01- <<
1596 ----------------------------- <<
1597 - G4FieldManager: <<
1598 o Revised into 'slightly' abstract class wi <<
1599 ConfigureForTrack( const G4Track *) <<
1600 to enable the user to configure it with d <<
1601 depending on energy, particle id, volume, <<
1602 Currently by default, no such configurati <<
1603 <<
1604 Jun 21st, 2003 J.Apostolakis - field-V05-01- <<
1605 ----------------------------- <<
1606 - Revised G4ChordFinder: <<
1607 * FindNextChord now provides next Step esti <<
1608 * AdvanceChordLimited to use <<
1609 - above extra argument to FindNextChord <<
1610 - the next Step argument as initial-step <<
1611 - G4MagIntegratorDriver: <<
1612 * Added extra argument to Accurate Advance: <<
1613 hinitial: suggested initial step size <<
1614 - Note: <<
1615 * Purpose: performance boost with small/li <<
1616 including minor revisions of interfaces. <<
1617 <<
1618 Jun 20th, 2003 J.Apostolakis - field-V05-01- <<
1619 ----------------------------- <<
1620 - G4MagIntegratorDriver Quick Advance: <<
1621 o Took out two unneccessary square roots an <<
1622 - Notes: <<
1623 1) Pure magnetic, electric, spin field test <<
1624 2) Purpose: performance boost with small c <<
1625 <<
1626 Jun 20th, 2003 J.Apostolakis - field-V05-01- <<
1627 ----------------------------- <<
1628 - G4MagIntegratorDriver: <<
1629 o Corrected neglected conversion to <std> f <<
1630 - Migrated unit tests to <std>. <<
1631 <<
1632 Jun 19th, 2003 J.Apostolakis - field-V05-01- <<
1633 ----------------------------- <<
1634 - G4ChordFinder: <<
1635 o Corrected simple constructor to initialis <<
1636 including LastStepEstimate_Unconstrained. <<
1637 - G4MagIntegratorDriver: <<
1638 o Keep simple statistics on number of steps <<
1639 o Took out an unneccessary square root (in <<
1640 - NOTE: tests field0X are to be migrated. <<
1641 Purpose: fixes, small performance boost, si <<
1642 <<
1643 Apr 2nd, 2003 G. Cosmo - field-V05-00-01 <<
1644 --------------------------- <<
1645 - Created .cc files for G4MagneticField and G <<
1646 - Fixed definition of copy constructors in fi <<
1647 - Moved obsolete method StepWithEst() to priv <<
1648 G4CashKarpRKF45 and G4ClassicalRK4. <<
1649 - Cleared strict pedantic warnings. <<
1650 <<
1651 Feb 5th, 2003 G. Cosmo - field-V05-00-00 <<
1652 --------------------------- <<
1653 - Removed redundant inclusions of PhysicalCon <<
1654 Now using directly CLHEP's headers. <<
1655 <<
1656 Dec 12th, 2002 G. Cosmo - field-V04-01-06 <<
1657 --------------------------- <<
1658 - Moved unused variable 'nStpPr' to debug sec <<
1659 method AccurateAdvance(). <<
1660 <<
1661 Dec 06th, 2002 G. Cosmo - field-V04-01-05 <<
1662 --------------------------- <<
1663 - Merged changes by Makoto for migration to n <<
1664 messengers of unit tests. <<
1665 <<
1666 Nov 29th, 2002 J. Apostolakis - field-V04 <<
1667 --------------------------------- <<
1668 Further fixes for unitialised variable - in o <<
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE <<
1670 <<
1671 Large memory leak fix for G4ImplicitEuler, sm <<
1672 Test accuracy requirements for spin adjusted. <<
1673 <<
1674 Nov 20th, 2002 J. Apostolakis - field-V04 <<
1675 --------------------------------- <<
1676 Further fixes for unitialised variables: <<
1677 <<
1678 * G4MagIntegratorStepper <<
1679 - Created instance variables for number of <<
1680 <<
1681 * G4MagErrorStepper <<
1682 - Utilise number of State variables to ini <<
1683 <<
1684 * G4Mag_SpinEqRhs <<
1685 - Initialise the values of dydx that we do <<
1686 <<
1687 Note: Undoing these changes and the ones belo <<
1688 if undefined values are used in varia <<
1689 have integrated. <<
1690 BUT the fix assists us to find truly un <<
1691 -- if they exist -- using valgrind. <<
1692 <<
1693 Nov 9th, 2002 J. Apostolakis - field-V04 <<
1694 --------------------------------- <<
1695 Fixes to address use of uninitialised variabl <<
1696 (this was done by design, but was neither ide <<
1697 Changed: <<
1698 <<
1699 * G4MagIntegratorDriver <<
1700 - Added instance variables for number of In <<
1701 - Initialise all State variables of Output <<
1702 - Only the Integration variables will be in <<
1703 <<
1704 * G4ClassicalRK4 and G4MagErrorStepper <<
1705 - Copy the initial time to intermediate and <<
1706 in order to provide a zero-eth estimate <<
1707 Note1: Should clean-up this fix, making it <<
1708 Note2: Should *not* be used for time varyin <<
1709 with at least 8 integration variab <<
1710 --------------------------------- <<
1711 G4ChordFinder.cc <<
1712 - Correction from zero dChord <<
1713 which is does not update the Unconstrai <<
1714 - Added instance variables to store number <<
1715 and new print method for 'debugging' <<
1716 <<
1717 G4Mag_UsualEqRhs.cc <<
1718 - Attempted approximations for speedup *ov <<
1719 <<
1720 <<
1721 Oct 29th, 2002 J. Apostolakis - test-V04-0 <<
1722 -------------------------------- <<
1723 - Changed output of tests for small output ch <<
1724 <<
1725 Oct 29th, 2002 J. Apostolakis - test-V04-0 <<
1726 -------------------------------- <<
1727 - (Only changed and tagged test subdirectory) <<
1728 Changed tests to use the new method SetChar <<
1729 PropagatorInField in order to be ready for <<
1730 G4PropagatorInField. <<
1731 (A key problem at end-July was this non-pre <<
1732 19
1733 Jul 24th, 2002 G. Cosmo - field-V04-01-01 20 Jul 24th, 2002 G. Cosmo - field-V04-01-01
1734 -------------------------- <<
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta 21 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736 fDefault_Delta_Intersection_Val normal cons 22 fDefault_Delta_Intersection_Val normal constants (not static) to
1737 resolve initialisation problems. Coworks wi 23 resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738 Fixes problem report #383. 24 Fixes problem report #383.
1739 25
1740 Jul 23rd, 2002 G. Cosmo - field-V04-01-00 26 Jul 23rd, 2002 G. Cosmo - field-V04-01-00
1741 -------------------------- 27 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o 28 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743 Protected variable 'nStpPr' with G4DEBUG_FI 29 Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up 30 - Updated reference outputs and some other updates to unit tests.
1745 31
1746 Jun 25th, 2002 J. Apostolakis - field-V04- 32 Jun 25th, 2002 J. Apostolakis - field-V04-00-05
1747 -------------------------------- 33 --------------------------------
1748 - G4ChordFinder.cc 34 - G4ChordFinder.cc
1749 In NewStep: fixed case of stepTrial >> ste 35 In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750 (it was treated the same as stepTrial 36 (it was treated the same as stepTrial << old)
1751 Added guard for stepTrial==0.0 in FindNextC 37 Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc 38 - G4MagIntegratorDriver.cc
1753 Added protection against error of 0.0 in Co 39 Added protection against error of 0.0 in ComputeNewStepSize.
1754 40
1755 - G4EquationOfMotion 41 - G4EquationOfMotion
1756 Made RightHandSide an inline method << 42 Made RightHandSide an inline method
1757 In GetFieldValue signature of Point is doub 43 In GetFieldValue signature of Point is double[4], instead of double[3]
1758 Defined G4maximum_number_of_field_component 44 Defined G4maximum_number_of_field_components as enum
1759 45
1760 Jun 7th, 2002 J. Apostolakis - field-V04- 46 Jun 7th, 2002 J. Apostolakis - field-V04-00-04
1761 -------------------------------- 47 --------------------------------
1762 - G4Mag_SpinEqRhs.cc 48 - G4Mag_SpinEqRhs.cc
1763 o Fix to momentum component of Rhs. 49 o Fix to momentum component of Rhs.
1764 50
1765 May 31st, 2002 J. Apostolakis - field-V04- 51 May 31st, 2002 J. Apostolakis - field-V04-00-03
1766 -------------------------------- 52 --------------------------------
1767 - G4MagHelicalStepper.icc 53 - G4MagHelicalStepper.icc
1768 o Fix to LinearStep (correcting previous 54 o Fix to LinearStep (correcting previous fix/cosmetic)
1769 - G4ChordFinder.cc 55 - G4ChordFinder.cc
1770 o Corrective behaviour for very small or 56 o Corrective behaviour for very small or large changes of 'new step'
1771 [observed in complex 3-d fields (purgi 57 [observed in complex 3-d fields (purging magnet), or
1772 approximate equations of 58 approximate equations of motion ]
1773 - G4MagIntegratorDriver 59 - G4MagIntegratorDriver
1774 o More information in debug printing (tan 60 o More information in debug printing (tangent cosine, norm)
1775 61
1776 May 7th, 2002 J. Apostolakis 62 May 7th, 2002 J. Apostolakis
1777 -------------------------------- 63 --------------------------------
1778 - G4MagIntegratorDriver - ( on trunk ) 64 - G4MagIntegratorDriver - ( on trunk )
1779 * Fix to update the field track for steps s << 65 * Fix to update the field track for steps smaller than the chord finder's
1780 minstep. << 66 minstep.
1781 67
1782 68
1783 April 19th, 2002 J. Apostolakis (not inclu 69 April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
1784 -------------------------------- 70 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc (on trunk) 71 - G4MagIntegratorDriver.hh,cc (on trunk)
1786 * Bug fix: last step can now only be trigg 72 * Bug fix: last step can now only be triggerred if x+h > x2.
1787 * Debugging methods improved. 73 * Debugging methods improved.
1788 74
1789 May 7th, 2002 J. Apostolakis - field-V04- 75 May 7th, 2002 J. Apostolakis - field-V04-00-02
1790 -------------------------------- 76 --------------------------------
1791 Tag including only two changes below: 77 Tag including only two changes below:
1792 - Putting aside the other fixes/changes (as << 78 - Putting aside the other fixes/changes (as the one above) to
1793 G4MagIntegratorDriver, tagging only the fix t << 79 G4MagIntegratorDriver, tagging only the fix to update the field track
1794 for steps smaller than the chord finder's min 80 for steps smaller than the chord finder's minstep.
1795 81
1796 May 7th, 2002 J. Apostolakis 82 May 7th, 2002 J. Apostolakis
1797 -------------------------------- 83 --------------------------------
1798 - G4MagIntegratorDriver - ** branch ** on 84 - G4MagIntegratorDriver - ** branch ** on 1.20 **
1799 * Fix to update the field track for steps s << 85 * Fix to update the field track for steps smaller than the chord finder's
1800 minstep. << 86 minstep.
1801 87
1802 May 7th, 2002 J. Apostolakis 88 May 7th, 2002 J. Apostolakis
1803 -------------------------------- 89 --------------------------------
1804 - G4MagIntegratorStepper 90 - G4MagIntegratorStepper
1805 * Changed RightHandSide from a virtual meth << 91 * Changed RightHandSide from a virtual method to an inline (non-virtual)
1806 method -- it is not and should not be c 92 method -- it is not and should not be changed by derived classes.
1807 93
1808 Mar 28th, 2002 J. Apostolakis - field-V04-00 94 Mar 28th, 2002 J. Apostolakis - field-V04-00-01
1809 ----------------------- 95 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex << 96 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
1811 that had not been updated for new integra 97 that had not been updated for new integration variable (momentum).
1812 --> found in testing helical steppers in << 98 --> found in testing helical steppers in BaBar setup,
1813 in region of negligible field. 99 in region of negligible field.
1814 100
1815 - Changed maximum number of steps in driver, << 101 - Changed maximum number of steps in driver,
1816 halving from 500/order to 250/order. 102 halving from 500/order to 250/order.
1817 103
1818 Mar 28th, 2002 J. Apostolakis 104 Mar 28th, 2002 J. Apostolakis
1819 ----------------------- 105 -----------------------
1820 - Committed directory "OtherField" with examp 106 - Committed directory "OtherField" with examples of fields,
1821 Delphi, Quadropole etc. 107 Delphi, Quadropole etc.
1822 108
1823 - Updated outputs of testPropagateMagField fo 109 - Updated outputs of testPropagateMagField for new version of source,
1824 that has 3rd test case. 110 that has 3rd test case.
1825 111
1826 - Added new runs and outputs for testProElect << 112 - Added new runs and outputs for testProElectroMagField, with
1827 several steppers, and modified test scrip 113 several steppers, and modified test script test.sh accordingly.
1828 114
1829 115
1830 Feb 2nd, 2002 V. Grichine 116 Feb 2nd, 2002 V. Grichine
1831 ------------------------ 117 ------------------------
1832 Update of test/field02 to utilise new feature << 118 Update of test/field02 to utilise new features
1833 - for Electric Field, to signal that a fiel 119 - for Electric Field, to signal that a field modifies the energy;
1834 - updating of time by integration, for time 120 - updating of time by integration, for time dependent fields.
1835 121
1836 Jan 10th, 2002 G. Cosmo - field-V04-00-00 122 Jan 10th, 2002 G. Cosmo - field-V04-00-00
1837 ------------------------ 123 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile. 124 - Activated G4DEBUG_FIELD in GNUmakefile.
1839 125
1840 Jan 7th, 2002 J. Apostolakis 126 Jan 7th, 2002 J. Apostolakis
1841 ----------------------------- 127 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia 128 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843 129
1844 Dec 4th, 2001 G. Cosmo - field-V03-02-08 130 Dec 4th, 2001 G. Cosmo - field-V03-02-08
1845 ----------------------- 131 -----------------------
1846 - Fixed interface to virtual functions in the 132 - Fixed interface to virtual functions in the inheritance chain.
1847 Added 'virtual' qualifier to destructor and 133 Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848 of G4Field which may act as base class for 134 of G4Field which may act as base class for user-defined fields.
1849 Modified files: G4MagneticField.hh, G4Unifo 135 Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850 G4UniformMagField.hh. 136 G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng 137 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852 inside #ifdef G4DEBUG_FIELD. Other #ifdef r 138 inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w 139 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854 is returned (V.Grichine). 140 is returned (V.Grichine).
1855 141
1856 Nov 28th, 2001 J. Apostolakis - field-V03-02 142 Nov 28th, 2001 J. Apostolakis - field-V03-02-07
1857 ------------------------------ 143 ------------------------------
1858 G4FieldManager 144 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g 145 - Added fFieldChangesEnergy data member and get/set methods
1860 ( required to allow transportation to know h 146 ( required to allow transportation to know how to calculate end-time,
1861 enabling the integration of time only for 147 enabling the integration of time only for electric fields. )
1862 148
1863 Nov 28th, 2001 J. Apostolakis - field-V03-02 149 Nov 28th, 2001 J. Apostolakis - field-V03-02-06
1864 ------------------------------ 150 ------------------------------
1865 Small fixes only: 151 Small fixes only:
1866 152
1867 G4CashKarpRKF45 153 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array 154 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869 155
1870 G4EqMagElectricField 156 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci 157 - bug fixed in the formula for inverse velocity (-> V. Grichine)
1872 158
1873 Nov 21st, 2001 G. Cosmo - field-V03-02-05 159 Nov 21st, 2001 G. Cosmo - field-V03-02-05
1874 ------------------------ 160 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB 161 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876 (V.Grichine). 162 (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma 163 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02. 164 - Updates to unit test field02.
1879 165
1880 Nov 13th, 2001 G. Cosmo - field-V03-02-04 166 Nov 13th, 2001 G. Cosmo - field-V03-02-04
1881 ------------------------ 167 ------------------------
1882 - Removed warnings on gcc-2.95.2. 168 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field 169 - Included unit tests field01, field02, field03.
1884 170
1885 Nov 9th, 2001 J. Apostolakis - field-V03-02- 171 Nov 9th, 2001 J. Apostolakis - field-V03-02-03
1886 ----------------------------- 172 -----------------------------
1887 Motivated by the use case of an Electric Fiel 173 Motivated by the use case of an Electric Field,
1888 - in order to achieve reasonable accuracy in 174 - in order to achieve reasonable accuracy in time integration,
1889 - and to enable fields that vary with the gl 175 - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol 176 we (John Ap. and V. Grichine) changed the following:
1891 177
1892 - Modified G4Field to allow the time in the G << 178 - Modified G4Field to allow the time in the GetFieldValue method
1893 - as 4th component of the "position" arr 179 - as 4th component of the "position" array.
1894 180
1895 - Modified EquationOfMotion to provide the ti 181 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896 of G4Field 182 of G4Field
1897 * as the 4th component of a position / 183 * as the 4th component of a position / time 4-array
1898 * in place of only position as a 3-arry 184 * in place of only position as a 3-arry
1899 185
1900 - Added the global time as variable to be int << 186 - Added the global time as variable to be integrated over in the
1901 case of an Electric Field 187 case of an Electric Field
1902 188
1903 Support for these modifications is required i 189 Support for these modifications is required in G4Transportation.
1904 190
1905 (Better support will require either 191 (Better support will require either
1906 - a modification in G4FieldTrack to indicate 192 - a modification in G4FieldTrack to indicate whether the time has been
1907 integrated or not. << 193 integrated or not.
1908 - or additionally making the time calculatio 194 - or additionally making the time calculation a property of G4FieldTrack,
1909 bring in code to do it in from G4Transpor 195 bring in code to do it in from G4Transportation.)
1910 196
1911 197
1912 Nov 8th, 2001 J. Apostolakis - field-V03-02 198 Nov 8th, 2001 J. Apostolakis - field-V03-02-02
1913 ------------------------ 199 ------------------------
1914 - Introduced several changes in G4MagIntegrat 200 - Introduced several changes in G4MagIntegratorDriver.
1915 201
1916 It now respects its minimum driver step si 202 It now respects its minimum driver step size in AccurateAdvance.
1917 * whereas before it did not. 203 * whereas before it did not.
1918 204
1919 Modified maximum number of steps, lowering 205 Modified maximum number of steps, lowering by factor of 10.
1920 -> it should reduce the time spent integ 206 -> it should reduce the time spent integrating low energy particles,
1921 in some cases where it is unneccessary. 207 in some cases where it is unneccessary.
1922 208
1923 Protected printing of (nearly?) all warnin 209 Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
1924 210
1925 211
1926 Nov 05th, 2001 G. Cosmo - field-V03-02-01 212 Nov 05th, 2001 G. Cosmo - field-V03-02-01
1927 ------------------------ 213 ------------------------
1928 - Fixed trivial warnings on Linux-g++. 214 - Fixed trivial warnings on Linux-g++.
1929 215
1930 Aug 27th, 2001 J. Apostolakis - field-V03-02 216 Aug 27th, 2001 J. Apostolakis - field-V03-02-00
1931 ------------------------------ 217 ------------------------------
1932 Tagged last change. 218 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 ( 219 This tag is utilised in transport-V03-02-01 (which requires it).
1934 220
1935 Aug 16th, 2001 J. Apostolakis 221 Aug 16th, 2001 J. Apostolakis
1936 ------------------------------ 222 ------------------------------
1937 G4ChordFinder: 223 G4ChordFinder:
1938 Added method to erase/reset the state of the 224 Added method to erase/reset the state of the StepEstimate.
1939 This is unwanted internal state that was car 225 This is unwanted internal state that was carried between tracks and
1940 events as a side effect. 226 events as a side effect.
1941 227
1942 Calling this at the start of each track, it 228 Calling this at the start of each track, it is now possible to
1943 eliminate a non-repeatability that was possi 229 eliminate a non-repeatability that was possible due to this.
1944 ( It has been observed in particular in v 230 ( It has been observed in particular in vaccuum. )
1945 231
1946 May 23rd, 2001 J. Apostolakis - field-V03-01 232 May 23rd, 2001 J. Apostolakis - field-V03-01-02
1947 ------------------------------ 233 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo 234 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949 235
1950 May 23rd, 2001 J. Apostolakis - field-V03-01 236 May 23rd, 2001 J. Apostolakis - field-V03-01-01
1951 ------------------------------ 237 ------------------------------
1952 - Fixed G4FieldManager constructors to give d 238 - Fixed G4FieldManager constructors to give default values to delta
1953 parameters. 239 parameters.
1954 240
1955 - Updated testPropagateSpin (it now compiles) << 241 - Updated testPropagateSpin (it now compiles),
1956 and some outputs of testPropagateMagField 242 and some outputs of testPropagateMagField (1 to 5)
1957 243
1958 244
1959 Apr 12th, 2001 P. Gumplinger - field-V03-01- 245 Apr 12th, 2001 P. Gumplinger - field-V03-01-00
1960 ----------------------------- 246 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq 247 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962 to spin tracking. 248 to spin tracking.
1963 249
1964 Apr 04th, 2001 G. Cosmo - field-V03-00-05 250 Apr 04th, 2001 G. Cosmo - field-V03-00-05
1965 ------------------------ 251 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o 252 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967 253
1968 Mar 23rd, 2001 J. Apostolakis - field-V03-00 254 Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
1969 ------------------------------ 255 ------------------------------
1970 - Electric Field unit test now works: test ru 256 - Electric Field unit test now works: test runs until completion.
1971 Test outputs saved (on Linux). 257 Test outputs saved (on Linux).
1972 258
1973 - Fixed src/G4UniformElectricField.cc to set 259 - Fixed src/G4UniformElectricField.cc to set correct field components
1974 (compat 260 (compatible with Equation of Motion
1975 G4EqMa 261 G4EqMagElectricField )
1976 262
1977 - Tidied G4FieldTrack 263 - Tidied G4FieldTrack
1978 * deleted obsolete methods Set/Get Momentu 264 * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979 * in constructor to set the value of the s << 265 * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
1980 if pSpin is null. (It was undefine 266 if pSpin is null. (It was undefined.)
1981 267
1982 Mar 23rd, 2001 J. Apostolakis - field-V03-00 268 Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
1983 ------------------------------ 269 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil << 270 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
1985 271
1986 - Modified G4MagIntegratorStepper << 272 - Modified G4MagIntegratorStepper
1987 to use pointer to G4EquationOfMotion 273 to use pointer to G4EquationOfMotion
1988 instead of G4Mag_EqRhs 274 instead of G4Mag_EqRhs
1989 275
1990 - Design iteration appears neccessary 276 - Design iteration appears neccessary
1991 277
1992 Mar 23rd, 2001 J. Apostolakis - field-V03-00 278 Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
1993 ------------------------------ 279 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for 280 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995 the possibility of (correct) use of all H << 281 the possibility of (correct) use of all Helical Steppers.
1996 282
1997 - test/testProElectroMagField.cc updated for 283 - test/testProElectroMagField.cc updated for momentum.
1998 (Not yet updated: Spin tests) 284 (Not yet updated: Spin tests)
1999 285
2000 286
2001 Mar 19th, 2001 J. Apostolakis - field-V03-00 287 Mar 19th, 2001 J. Apostolakis - field-V03-00-01
2002 ------------------------------ 288 ------------------------------
2003 - Tagging the modification of several classes 289 - Tagging the modification of several classes to integrate in momentum*c_light
2004 instead of velocity. << 290 instead of velocity.
2005 Reason for change: Velocity integration ca 291 Reason for change: Velocity integration can result in superluminar
2006 velocities, due to arithmetic inaccuraci 292 velocities, due to arithmetic inaccuracies.
2007 Classes modified: << 293 Classes modified:
2008 G4FieldTrack, (Changed components 3,4,5 294 G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
2009 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle 295 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010 296
2011 Feb 20th, 2001 J. Apostolakis << 297 Feb 20th, 2001 J. Apostolakis
2012 298
2013 - Modified several classes to integrate in mo 299 - Modified several classes to integrate in momentum instead of velocity.
2014 300
2015 G4FieldTrack: 301 G4FieldTrack:
2016 Changed components 3,4,5 of SixVector to 302 Changed components 3,4,5 of SixVector to Momentum,
2017 Modified constructor 303 Modified constructor
2018 Added energy calculation to "LoadFromArr 304 Added energy calculation to "LoadFromArray" method
2019 GetEnergy method is now implemented. << 305 GetEnergy method is now implemented.
2020 Deleted obsolete (old) method names for 306 Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021 307
2022 G4ChordFinder 308 G4ChordFinder
2023 Renamed old-method names of Field Track << 309 Renamed old-method names of Field Track to new ones.
2024 310
2025 Jan 29th, 2001 G. Cosmo - field-V03-00-00 311 Jan 29th, 2001 G. Cosmo - field-V03-00-00
2026 ------------------------- 312 -------------------------
2027 313
2028 - Minor fix to G4MagneticField.hh: added expl 314 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029 copy constructor. Fixes report #205. 315 copy constructor. Fixes report #205.
2030 316
2031 Nov 20th, 2000 G. Cosmo - field-V02-00-02 317 Nov 20th, 2000 G. Cosmo - field-V02-00-02
2032 318
2033 - Fixes to remove warnings from "-Wall -ansi 319 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034 o commented out variables declared and not 320 o commented out variables declared and not used.
2035 o fixed declaration of variables used befor 321 o fixed declaration of variables used before being initialised.
2036 o fixed order of initialisation of member d 322 o fixed order of initialisation of member data in constructors.
2037 o fixed usage of unsigned-int (size_t) for 323 o fixed usage of unsigned-int (size_t) for array indeces.
2038 324
2039 Nov 9th, 2000 G. Cosmo - field-V02-00-01 325 Nov 9th, 2000 G. Cosmo - field-V02-00-01
2040 326
2041 - G4FieldManager: added check on existence of 327 - G4FieldManager: added check on existence of allocated fChordFinder
2042 in CreateChordFinder(G4MagneticField*) meth 328 in CreateChordFinder(G4MagneticField*) method.
2043 329
2044 Nov 1st, 2000 G. Cosmo - field-V02-00-00 330 Nov 1st, 2000 G. Cosmo - field-V02-00-00
2045 331
2046 - QA code revision and cleanup (+fixes from C 332 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047 o Added (private) declarations of copy cons 333 o Added (private) declarations of copy constructor and assignment operator
2048 where needed. 334 where needed.
2049 o Added "const" qualifier to accessor metho 335 o Added "const" qualifier to accessor methods, wherever needed.
2050 o Added equality check on operator= where n 336 o Added equality check on operator= where needed.
2051 o Made destructor "virtual" for classes hav 337 o Made destructor "virtual" for classes having virtual methods,
2052 wherever missing. 338 wherever missing.
2053 o Changed virtual functions to non-inline w 339 o Changed virtual functions to non-inline wherever's the case.
2054 o Changed return value to be "const" pointe 340 o Changed return value to be "const" pointer to functions:
2055 - G4EquationOfMotion::GetFieldObj() 341 - G4EquationOfMotion::GetFieldObj()
2056 - G4FieldManager::GetDetectorField() 342 - G4FieldManager::GetDetectorField()
2057 - G4MagIntegratorDriver::GetStepper() 343 - G4MagIntegratorDriver::GetStepper()
2058 o Fixed and corrected signature to G4MagInt 344 o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059 o Added "inline" qualifier to methods' decl 345 o Added "inline" qualifier to methods' declarations.
2060 o General cosmetics 346 o General cosmetics
2061 347
2062 Jun 2nd, 2000 J. Apostolakis 348 Jun 2nd, 2000 J. Apostolakis
2063 - G4FieldManager[.hh.icc] 349 - G4FieldManager[.hh.icc]
2064 o Added DeltaIntersection and DeltaOneStep 350 o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065 Get/Set methods and SetAccuraciesWithDelt 351 Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066 352
2067 May 31st, 2000 J. Apostolakis - field-V01-01 353 May 31st, 2000 J. Apostolakis - field-V01-01-03
2068 354
2069 include/G4FieldManager.hh,icc 355 include/G4FieldManager.hh,icc
2070 o Moved Delta Intersection and Delta One St 356 o Moved Delta Intersection and Delta One Step to FieldManager
2071 (from Propagator in Field), to allow th 357 (from Propagator in Field), to allow them to differ over the detector.
2072 358
2073 May 11th, 2000 J. Apostolakis - field-V01-01 359 May 11th, 2000 J. Apostolakis - field-V01-01-02
2074 360
2075 - G4ChordFinder[.hh.cc] 361 - G4ChordFinder[.hh.cc]
2076 o Modified method for finding new trial ste 362 o Modified method for finding new trial step.
2077 New method assumes a quadratic relationsh 363 New method assumes a quadratic relationship between step-length and d_chord:
2078 d_chord proportional to step-l 364 d_chord proportional to step-lenght ^ 2
2079 o Added two small refinement in order to av 365 o Added two small refinement in order to avoid unneccesary extra step due to
2080 small numerical inaccuracies in estimatio 366 small numerical inaccuracies in estimation:
2081 FindNextChord 367 FindNextChord
2082 to first step use (1-0.001) 368 to first step use (1-0.001) * last-step-estimate
2083 New Step: 369 New Step:
2084 to subsequent step use trial_st 370 to subsequent step use trial_step = 0.98 * estimate
2085 371
2086 May 10th, 2000 G. Cosmo 372 May 10th, 2000 G. Cosmo
2087 373
2088 - G4MagneticField.hh: minor fix to dummy impl 374 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089 operator. 375 operator.
2090 376
2091 May 9th, 2000 J. Apostolakis - field-V01 377 May 9th, 2000 J. Apostolakis - field-V01-01-01
2092 378
2093 - G4MagErrorStepper: << 379 - G4MagErrorStepper:
2094 Modified DistChord to check whether the c 380 Modified DistChord to check whether the chord endpoint are the same point.
2095 381
2096 - G4RKG3_Stepper: 382 - G4RKG3_Stepper:
2097 Deleted error message from StepNoErr, as 383 Deleted error message from StepNoErr, as it is used in Stepper.
2098 384
2099 - G4MagIntegratorDriver: 385 - G4MagIntegratorDriver:
2100 Changed the condition for the debug outpu 386 Changed the condition for the debug output (~cosmetic)
2101 387
2102 388
2103 April 27th, 2000 G. Cosmo 389 April 27th, 2000 G. Cosmo
2104 390
2105 - Reorganised comments for the Software Refer 391 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe 392 - Moved inlined definition to .icc files, where needed.
2107 Created: G4ChordFinder.icc and G4FieldManag 393 Created: G4ChordFinder.icc and G4FieldManager.icc.
2108 394
2109 April 13th, 2000 J. Apostolakis - field-V01 395 April 13th, 2000 J. Apostolakis - field-V01-01-00
2110 396
2111 - Modified signature to function DumbStepper( 397 - Modified signature to function DumbStepper() in classes:
2112 G4HelixExplicitEuler, G4HelixHeum, G4HelixI 398 G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113 G4HelixSimpleRunge and G4MagHelicalStepper. 399 G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu 400 - Modified signature and implementation of function MagFieldEvaluate()
2115 in G4MagHelicalStepper, to use Field (as Th 401 in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it 402 - Made Richardson extrapolation optional (it is unclear if
2117 it offers benefit) in G4MagHelicalStepper. 403 it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and 404 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b 405 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120 (V.Grichine). 406 (V.Grichine).
2121 407
2122 January 19th, 2000 G. Cosmo - field-V01-00 408 January 19th, 2000 G. Cosmo - field-V01-00-00
2123 409
2124 Syncronized versioning of files with HEAD aft 410 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes). 411 (essentially CVS header changes).
2126 412
2127 December 7th, 1999 J. Apostolakis - field- 413 December 7th, 1999 J. Apostolakis - field-V00-01-01a
2128 414
2129 For negative or very small curve lengths (h) 415 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe 416 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless. 417 as it is meaningless.
2132 418
2133 November 23rd, 1999 J. Apostolakis - field- 419 November 23rd, 1999 J. Apostolakis - field-V00-01-01
2134 420
2135 Tagged this sub-category's state in geometry- 421 Tagged this sub-category's state in geometry-V00-01-01
2136 422
2137 423
2138 July 6th, 1999 J. Apostolakis - field- 424 July 6th, 1999 J. Apostolakis - field-01-00-07
2139 425
2140 These fixes and those in field-01-00-06 and f 426 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 427 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig << 428 interaction with paths that are rather straight.
2143 429
2144 G4MagIntegrationDriver: << 430 G4MagIntegrationDriver:
2145 i) AccurateAdvance now that the chord distan 431 i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon). 432 gth (times 1+epsilon).
2147 433
2148 ii) OneGoodStep and QuickAdvance considers th 434 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b 435 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given. 436 the "eps" maximum given.
2151 437
2152 G4ChordFinder: 438 G4ChordFinder:
2153 Having found that the curve_length vs ABdis 439 Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration: 440 the imprecision of the integration:
2155 i) Modified the exception in this case to h 441 i) Modified the exception in this case to happen only for very large
2156 relative disrepancies ( 10 * eps ). 442 relative disrepancies ( 10 * eps ).
2157 ii) Undertaken a default corrective action i 443 ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve 444 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu 445 ie step lengths much smaller than the curvature of the track.
2160 446
2161 July 1st, 1999 J. Apostolakis - field- 447 July 1st, 1999 J. Apostolakis - field-01-00-06a
2162 448
2163 In order to cope with the anomalous condition 449 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField, we ensure that the f 450 in G4PropagatorInField, we ensure that the fraction_AE is always between
2165 0 and 1.0. (giving it a default value of 0.5 451 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV ) 452 ( in G4ChordFinder::ApproxCurvePointV )
2167 453
2168 June 29th, 1999 J. Apostolakis - field- 454 June 29th, 1999 J. Apostolakis - field-01-00-06
2169 455
2170 I re-instated a check on whether the input 456 I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t 457 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV ) 458 ( in G4ChordFinder::ApproxCurvePointV )
2173 459
2174 The condition that prints out a warning messa 460 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi << 461 take into account the case of a very small final interval.
2176 ( in G4MagInt_Driver::AccurateAdvance ) 462 ( in G4MagInt_Driver::AccurateAdvance )
2177 463
2178 June ??th, 1999 J. Apostolakis - field- 464 June ??th, 1999 J. Apostolakis - field-01-00-05
2179 465
2180 The condition that prints out a warning messa << 466 The condition that prints out a warning message was changed to delete
2181 an incorrect comparison. << 467 an incorrect comparison.
2182 ( in G4MagInt_Driver::AccurateAdvance ) 468 ( in G4MagInt_Driver::AccurateAdvance )
2183 469
2184 April 19th, 1999 J. Apostolakis - field- 470 April 19th, 1999 J. Apostolakis - field-01-00-04
2185 471
2186 G4MagErrorStepper: Cosmetic changes to name o 472 G4MagErrorStepper: Cosmetic changes to name of data members
2187 473
2188 March 4th, 1999 J. Apostolakis - field- 474 March 4th, 1999 J. Apostolakis - field-01-00-03
2189 475
2190 Corrected delete statement of arrays to use ' 476 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45 477 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192 478
2193 February 17th, 1999 J. Apostolakis - field 479 February 17th, 1999 J. Apostolakis - field-01-00-02
2194 480
2195 Moved G4PropagatorInField files to geometry/ << 481 Moved G4PropagatorInField files to geometry/volumes.
2196 Updated GNUmakefile not to depend on geometr 482 Updated GNUmakefile not to depend on geometry/volumes anymore.
2197 -> the known circular dependency is remove 483 -> the known circular dependency is removed
2198 484
2199 485
2200 February 12th, 1999 J. Apostolakis - field 486 February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
2201 487
2202 A tag that contains the first version that 488 A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory). G4PropagateInSpin is still in t 489 directory). G4PropagateInSpin is still in this version. A small change
2204 in a branch of the header file was needed. << 490 in a branch of the header file was needed.
2205 491
2206 492
2207 February 10th, 1999 J. Apostolakis << 493 February 10th, 1999 J. Apostolakis
2208 494
2209 All the following changes are needed for ener 495 All the following changes are needed for energy integration also:
2210 496
2211 G4ChordFinder now passes to the constructed d 497 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a 498 Because of the need for the stepper to know about it in its Abstract interface
2213 499
2214 -> Moved theNumberOfVariables from derived c 500 -> Moved theNumberOfVariables from derived class G4MagErrorStepper
2215 to base class 501 to base class G4MagIntegratorStepper
2216 502
2217 As a consequense the classes that derived fro 503 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt << 504 were changed: G4CashKarpRKF45, G4MagHelicalStepper,
2219 505
2220 506
2221 February 9th, 1999 J. Apostolakis 507 February 9th, 1999 J. Apostolakis
2222 508
2223 Equation of Motion: 509 Equation of Motion:
2224 G4MagEqRhs.hh Made SetChargeMomentumMass vir 510 G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225 can initialise its constants << 511 can initialise its constants too.
2226 512
2227 513
2228 February 9th, 1999 P. Gumplinger 514 February 9th, 1999 P. Gumplinger
2229 515
2230 Added Equation of Motion for Spin in Magnetic 516 Added Equation of Motion for Spin in Magnetic Field.
2231 517
2232 518
2233 February 17th, 1999 J. Apostolakis - fiel 519 February 17th, 1999 J. Apostolakis - field-01-00-01
2234 ---> date is correct, made sure that tag d 520 ---> date is correct, made sure that tag does not include above fixes!
2235 << 521
2236 Moved G4PropagatorInField files to geometry/ << 522 Moved G4PropagatorInField files to geometry/volumes.
2237 Updated GNUmakefile not to depend on geometr 523 Updated GNUmakefile not to depend on geometry/volumes anymore.
2238 -> the known circular dependency is remove 524 -> the known circular dependency is removed
2239 525
2240 526
2241 --------------------------------------------- 527 ---------------------------------------------------------------------------
2242 ------ Geant 4 Production Release - 528 ------ Geant 4 Production Release ------------
2243 --------------------------------------------- 529 --------------------------------------------------------------------------
2244 Nov 19th, 1998 J. Apostolakis - field-0 530 Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
2245 531
2246 G4PropagatorInField files modified: 532 G4PropagatorInField files modified:
2247 533
2248 - to store the last safety computed and it 534 - to store the last safety computed and its origin.
2249 - to give them to a requester 535 - to give them to a requester
2250 --------------------------------------------- 536 ------------------------------------------------------------------
2251 537
2252 Nov 19th, 1998 J. Apostolakis - field-0 538 Nov 19th, 1998 J. Apostolakis - field-00-03-03b
2253 539
2254 Subtle fix to interface of G4UniformMagField << 540 Subtle fix to interface of G4UniformMagField::GetFieldValue
2255 ( that tripped Visual C++ ) 541 ( that tripped Visual C++ )
2256 542
2257 G4PropagatorInField: added printing method 543 G4PropagatorInField: added printing method for verboseness.
2258 544
2259 Nov 19th, 1998 J. Apostolakis - field-0 545 Nov 19th, 1998 J. Apostolakis - field-00-03-03a
2260 546
2261 Steppers: Fixed instance variables constr 547 Steppers: Fixed instance variables construction (SimpleRunge)
2262 and clash of names in CashKarp: 548 and clash of names in CashKarp::StepWithEstimate
2263 549
2264 Added post-const to all Field classes for 550 Added post-const to all Field classes for
2265 void GetFieldValue(const G4double 551 void GetFieldValue(const G4double yTrack[] ,
2266 G4double B[] 552 G4double B[] ) const ;
2267 553
2268 Added SetFieldValue methods to UniformMagF 554 Added SetFieldValue methods to UniformMagField
2269 555
2270 Added GetConstantFieldValue() methods to U 556 Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271 557
2272 558
2273 Nov 19th, 1998 J. Apostolakis - field-0 559 Nov 19th, 1998 J. Apostolakis - field-00-03-03
2274 560
2275 Fixes to Propagate and Steppers 561 Fixes to Propagate and Steppers
2276 562
2277 Nov 19th, 1998 J. Apostolakis - field-0 563 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2278 564
2279 Minor corrections (???) 565 Minor corrections (???)
2280 566
2281 Nov 19th, 1998 J. Apostolakis - field-0 567 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2282 << 568
2283 Major development to allow Electric Field 569 Major development to allow Electric Field
2284 << 570
2285 571
2286 572
2287 June 17th, 1998 J. Apostolakis - magfiel 573 June 17th, 1998 J. Apostolakis - magfield-06-03
2288 574
2289 Modified Files: 575 Modified Files:
2290 include/G4PropagatorInField.hh 576 include/G4PropagatorInField.hh
2291 src/G4PropagatorInField.cc 577 src/G4PropagatorInField.cc
2292 test/testPropagateInField.cc 578 test/testPropagateInField.cc
2293 --------------------------------------------- 579 ----------------------------------------------------------------------
2294 580
2295 1) Added an assertion after each call to Lo << 581 1) Added an assertion after each call to LocateGlobalPointAndSetup.
2296 It checks that the located volume is equ 582 It checks that the located volume is equal to the current volume.
2297 If this check fails, the Propagator does 583 If this check fails, the Propagator does not know how to continue.
2298 584
2299 2) Added an argument to ComputeStep method 585 2) Added an argument to ComputeStep method of G4PropagatorInField.
2300 The new volume argument is used to check th 586 The new volume argument is used to check the current volume during the step.
2301 587
2302 3) When G4Navigator's ComputeStep returned 588 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
2303 used to be treated as a failure to intersect. 589 used to be treated as a failure to intersect. This is incorrect.
2304 590
2305 stepLength==stepRequested is an intersect 591 stepLength==stepRequested is an intersection,
2306 so I am now treating it as such in each 592 so I am now treating it as such in each comparison (of 3).
2307 Ignoring it causes problems, including 593 Ignoring it causes problems, including volume being skipped.
2308 --> but treating it as an intersection 594 --> but treating it as an intersection used to cause problems too ??
2309 595
2310 596
2311 May 7th, 1998 J. Apostolakis - magfie 597 May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
2312 598
2313 - Tag includes new version of G4ChordFinder ( 599 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314 600
2315 601
2316 May 7th, 1998 W. Wander (recorded/c 602 May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
2317 603
2318 - New "helical" RK steppers that move in heli 604 - New "helical" RK steppers that move in helical segments, not linear.
2319 * Several changes to add steppers << 605 * Several changes to add steppers
2320 606
2321 Modified Files: 607 Modified Files:
2322 G4MagErrorStepper.hh << 608 G4MagErrorStepper.hh
2323 G4MagErrorStepper.cc << 609 G4MagErrorStepper.cc
2324 added Helical stepping methods to 610 added Helical stepping methods to this general ABC.
2325 << 611
2326 G4MagIntegratorStepper.hh 612 G4MagIntegratorStepper.hh
2327 made RightHandSide virtual (this 613 made RightHandSide virtual (this will be reversed very soon)
2328 614
2329 testPropagateMagField.cc 615 testPropagateMagField.cc
2330 Test of Helical stepping functiona 616 Test of Helical stepping functionality added.
2331 << 617
2332 Added Files for new Helical RK steppers, der 618 Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333 G4HelixExplicitEuler.cc ( and .hh ) 619 G4HelixExplicitEuler.cc ( and .hh )
2334 G4HelixHeum.cc 620 G4HelixHeum.cc
2335 G4HelixImplicitEuler.cc 621 G4HelixImplicitEuler.cc
2336 G4HelixSimpleRunge.cc << 622 G4HelixSimpleRunge.cc
2337 623
2338 Added File for implementation: 624 Added File for implementation:
2339 G4MagErrorStepper.icc 625 G4MagErrorStepper.icc
2340 626
2341 627
2342 May 7th, 1998 J. Apostolakis - magfi 628 May 7th, 1998 J. Apostolakis - magfield-06-01
2343 629
2344 - added small changes to << 630 - added small changes to
2345 * G4ChordFinder: methods to get 631 * G4ChordFinder: methods to get/set IntegratorDriver
2346 * G4MagIntegratorDriver: made OneGoodSt 632 * G4MagIntegratorDriver: made OneGoodStep method public
2347 - created the file. 633 - created the file.
>> 634