| Geant4 Cross Reference |
1 # Category field History << 1 $Id: History 81686 2014-06-04 14:44:57Z gcosmo $
>> 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
19 << 20 May 21, 2014 J.Apostolakis - field-V09-06-16
20 ## 2024-06-20 Ivana Hrivnacova (field-V11-02-0 << 21 --------------------------
21 - Fix in G4FieldBuilder for local fields: << 22 G4FieldTrack
22 apply the local fields in the order of user << 23 * Fixed SetChargeAndMoments to use the new method G4ChargeState::SetChargesAndMoments
23 << 24 ( it was changing spin - because of erroneous change in
24 ## 2024-04-29 Ivana Hrivnacova (field-V11-02-0 << 25 G4ChargeState::SetChargesAndMoments - that method is now renamed
25 - Added classes for automatic field constructi << 26 SetChargeSpinMoments to show what it does. )
26 - G4FieldBuilder[Messenger], G4FieldParamete << 27 * Added pdg-spin as argument to constructors (needed to track polarization)
27 - No changes in other Geant4 classes << 28 * Renamed 'spin' to 'Polarization' in method, arguments, data member (avoid confusion)
28 << 29 * Revised constructors to add pdg-spin as last argument (with default -1)
29 ## 2024-04-17 Ben Morgan (field-V11-02-01) << 30
30 - Fix maybe-uninitialized warnings found in AT << 31 G4ChargeState
31 - Reported in internal ATLASSIM-6058 ticket. << 32 - Addressed Coverity issue 56281 'Arguments in wrong order'
32 << 33 G4ChargeState::SetChargeMoments when used in G4FieldTrack::SetChargeMoments
33 ## 2024-04-02 Gabriele Cosmo (field-V11-02-00) << 34 from addition of spin to arguments ( without revising name of method to reflect it.
34 - Applied trivial clang-tidy fixes to classes, << 35 - Constructor: changed order of arguments, making spin 3rd argument (was 2nd)
35 constructor/destructor, auto and using state << 36 and making all arguments mandatory.
36 - Minor cleanup in QSS classes. << 37 - Renamed SetChargeAndMoments method with 5 arguments including spin (2nd)
37 << 38 to SetChargeSpinMoments
38 ## 2023-11-03 Gabriele Cosmo (field-V11-01-06) << 39 - Added new methods including SetChargesAndMoments, SetChargeMdm, SetChargeDipoleMoments (no spin),
39 - Reinstated default DormandPrince745 stepper. << 40 and also SetChargeSpin, SetChargeMdmSpin (which include spin) to provide most/all potential
40 << 41 combinations.
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 42
541 Oct 30, 2017 D. Sorokin/J.Apostolakis - fiel << 43 G4MagIntegratorDriver::OneGoodStep
542 --------------------------------------- << 44 * Trial changes to address valgrind issue, about value used before being set
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 45
590 Aug 23, 2017 J.Apostolakis - fiel << 46 Apr 01, 2014 J.Apostolakis - field-V09-06-15
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 -------------------------- 47 --------------------------
980 - Moved G4FieldTrack::LoadFromArray() to .cc a 48 - Moved G4FieldTrack::LoadFromArray() to .cc and removed non-necessary
981 thread-local static data local to the functi 49 thread-local static data local to the function.
982 50
983 Mar 14, 2014 J.Apostolakis - fi << 51 Mar 14, 2014 J.Apostolakis
984 -------------------------- 52 --------------------------
985 - Fix assignment operator for G4FieldTrack. (C 53 - Fix assignment operator for G4FieldTrack. (Copied Rest Mass)
986 - Improve printing of G4FieldTrack 54 - Improve printing of G4FieldTrack
987 55
988 Jan 17, 2014 P.Gumplinger - fi << 56 Jan 17, 2014 P.Gumplinger - field-V09-06-14
989 ------------------------- 57 -------------------------
990 - add G4Mag_EqRhs::SetChargeMomentumMass( part 58 - add G4Mag_EqRhs::SetChargeMomentumMass( particleCharge, MomentumXc, mass)
991 to G4Mag_SpinEqRhs::SetChargeMomentumMass, s 59 to G4Mag_SpinEqRhs::SetChargeMomentumMass, see bug reported at:
992 http://hypernews.slac.stanford.edu/HyperNews 60 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/210.html
993 61
994 Nov 18, 2013 P.Gumplinger - fi 62 Nov 18, 2013 P.Gumplinger - field-V09-06-13/12
995 ------------------------- 63 -------------------------
996 - fix Coverity warning in G4RepleteEofM 64 - fix Coverity warning in G4RepleteEofM
997 65
998 Nov 17, 2013 J.Apostolakis << 66 Nov 17, 2013 J.Apostolakis
999 -------------------------- 67 --------------------------
1000 - Fixed and improved HelixMixed Stepper: 68 - Fixed and improved HelixMixed Stepper:
1001 Corrected the default stepper for small s 69 Corrected the default stepper for small steps to be ClassicalRK4.
1002 Added Angle-threshold parameter. (Default 70 Added Angle-threshold parameter. (Default remains 0.33 radians.)
1003 Added more Steppers, including G4NystromR 71 Added more Steppers, including G4NystromRK4.
1004 Revised Id numbers of Steppers, to make t 72 Revised Id numbers of Steppers, to make the best more visible.
1005 More comments in Stepper(). 73 More comments in Stepper().
1006 74
1007 Nov 05, 2013 P.Gumplinger - f 75 Nov 05, 2013 P.Gumplinger - field-V09-06-11
1008 ------------------------- 76 -------------------------
1009 - remove writing out-of-bounds dydx[8] = 0. i 77 - remove writing out-of-bounds dydx[8] = 0. in G4RepleteEofM.cc
1010 78
1011 Nov 04, 2013 P.Gumplinger - f 79 Nov 04, 2013 P.Gumplinger - field-V09-06-10
1012 ------------------------- 80 -------------------------
1013 - add G4RepleteEofM to sources.cmake 81 - add G4RepleteEofM to sources.cmake
1014 f 82 field-V09-06-09 - same as
1015 Nov 01st, 2013 P.Gumplinger - f 83 Nov 01st, 2013 P.Gumplinger - field-V09-06-08
1016 --------------------------- 84 ---------------------------
1017 - add G4RepleteEofM: EofM that includes force 85 - add G4RepleteEofM: EofM that includes force due to B, E, and gravity field
1018 as well as mu*grad(B) and spin tracking. 86 as well as mu*grad(B) and spin tracking.
1019 87
1020 May 10th, 2013 P.Gumplinger/J.Apostolakis - f 88 May 10th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-07
1021 ----------------------------------------- 89 -----------------------------------------
1022 - Revised number of field components (to allo 90 - Revised number of field components (to allow up to 24).
1023 18 are required for new applications (B, E 91 18 are required for new applications (B, E, Gravity, B-gradients)
1024 - Fixes for initialisation errors found by Co 92 - Fixes for initialisation errors found by Coverity.
1025 93
1026 May 10th, 2013 P.Gumplinger - field-V09-06-06 94 May 10th, 2013 P.Gumplinger - field-V09-06-06
1027 --------------------------- 95 ---------------------------
1028 - prevent divided by zero and shortcut spin t 96 - prevent divided by zero and shortcut spin tracking for spin == 0
1029 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldW 97 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc and
1030 G4EqEMFieldWithEDM.cc 98 G4EqEMFieldWithEDM.cc
1031 f << 99 field-V09-06-05 - same
1032 May 8th, 2013 P.Gumplinger/J.Apostolakis - f 100 May 8th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-04
1033 ----------------------------------------- 101 -----------------------------------------
1034 - Introduced new class G4ChargeState to hold 102 - Introduced new class G4ChargeState to hold charge, spin, magnetic moment
1035 (promoted from internal class of G4Field 103 (promoted from internal class of G4FieldTrack).
1036 - Changed the signature of EquationOfMotion:: 104 - Changed the signature of EquationOfMotion::SetChargeMomentumMass to
1037 take G4ChargeState in place of G4double (cha 105 take G4ChargeState in place of G4double (charge) as first argument.
1038 - Deleted SetChargeMomentumMass from G4ChordF 106 - Deleted SetChargeMomentumMass from G4ChordFinder, G4PropagatorInField,
1039 G4MagInt_Driver 107 G4MagInt_Driver
1040 108
1041 - Migrated testPropagateMagField and testProp 109 - Migrated testPropagateMagField and testPropagateSpin.
1042 110
1043 March 19th, 2013 G.Cosmo - field-V09-06-03, f 111 March 19th, 2013 G.Cosmo - field-V09-06-03, field-V09-06-02
1044 ------------------------- 112 -------------------------
1045 - Cleanup of MT changes in G4FieldManagerStor 113 - Cleanup of MT changes in G4FieldManagerStore.
1046 114
1047 February 26th, 2013 A.Dotti - field-V09-06-01 115 February 26th, 2013 A.Dotti - field-V09-06-01
1048 --------------------------- 116 ---------------------------
1049 - First implementation of Cloning mechanism ( 117 - First implementation of Cloning mechanism (needed for MT)
1050 118
1051 February 22nd, 2013 G.Cosmo - field-V09-06-00 119 February 22nd, 2013 G.Cosmo - field-V09-06-00
1052 --------------------------- 120 ---------------------------
1053 - Cleanup of unnecessary changes for multi-th 121 - Cleanup of unnecessary changes for multi-threading in G4QuadrupoleMagField.
1054 - Removed unused private data-members in G4Ma 122 - Removed unused private data-members in G4Mag_UsualEqRhs and G4RKG3_Stepper.
1055 123
1056 November 14th, 2012 P.Mato - field-V09-05-07 124 November 14th, 2012 P.Mato - field-V09-05-07
1057 -------------------------- 125 --------------------------
1058 - G4QuadrupoleMagField: allow displaced origi 126 - G4QuadrupoleMagField: allow displaced origin and rotation (Björn Riese)
1059 - Added G4SystemOfUnits.hh in unit tests 127 - Added G4SystemOfUnits.hh in unit tests
1060 128
1061 August 30th, 2012 P.Mato - field-V09-05-06 129 August 30th, 2012 P.Mato - field-V09-05-06
1062 ------------------------ 130 ------------------------
1063 - Adapted CMakeLists.txt files to new unit te 131 - Adapted CMakeLists.txt files to new unit tests
1064 132
1065 June 11th, 2012 G.Cosmo - field-V09-05-05 133 June 11th, 2012 G.Cosmo - field-V09-05-05
1066 ----------------------- 134 -----------------------
1067 - Explicitly use inclusion of headers for sys 135 - Explicitly use inclusion of headers for system of units and physical
1068 constants, in plan to remove implicit inclu 136 constants, in plan to remove implicit inclusion from globals.hh.
1069 137
1070 May 14th, 2012 G.Cosmo - field-V09-05-04 138 May 14th, 2012 G.Cosmo - field-V09-05-04
1071 ---------------------- 139 ----------------------
1072 - Fixed spurious case of hidden variable visi 140 - Fixed spurious case of hidden variable visibility in G4NystromRK4,
1073 detected with '-Wshadow' compilation option 141 detected with '-Wshadow' compilation option on gcc compiler.
1074 142
1075 February 3rd, 2012 J.Apostolakis - field-V09 143 February 3rd, 2012 J.Apostolakis - field-V09-05-03
1076 --------------------------------- 144 ---------------------------------
1077 - G4FieldTrack: << 145 - G4FieldTrack:
1078 Added new (inline) method to set the Rest << 146 Added new (inline) method to set the Rest Mass. Needed in order to
1079 reset this - and keep reuse the same G 147 reset this - and keep reuse the same G4FieldTrack in a client
1080 (across tracks.) 148 (across tracks.)
1081 Made SetCurvePnt() method private. 149 Made SetCurvePnt() method private.
1082 Simplified implementation of constructors << 150 Simplified implementation of constructors. Gain of 1 square root and
1083 1 division per call. 151 1 division per call.
1084 152
1085 February 3rd, 2012 G.Cosmo - field-V09-05-0 153 February 3rd, 2012 G.Cosmo - field-V09-05-02
1086 ---------------------------- 154 ----------------------------
1087 - Removed tests in CMakeLists.txt causing cat 155 - Removed tests in CMakeLists.txt causing catastrophic failure in system
1088 testing! 156 testing!
1089 157
1090 February 2nd, 2012 J.Apostolakis - field-V0 158 February 2nd, 2012 J.Apostolakis - field-V09-05-01
1091 ---------------------------------- 159 ----------------------------------
1092 - G4Mag_UsualEqRhs: in SetChargeMomentumMass( 160 - G4Mag_UsualEqRhs: in SetChargeMomentumMass() method, fixed problem with
1093 division by zero; stopped updating 'fInvCur 161 division by zero; stopped updating 'fInvCurrentMomentumXc' (data member
1094 is obsolete). 162 is obsolete).
1095 - Added tests in CMakeLists.txt 163 - Added tests in CMakeLists.txt
1096 164
1097 December 13th, 2011 G.Cosmo - field-V09-05-0 165 December 13th, 2011 G.Cosmo - field-V09-05-00
1098 ---------------------------- 166 ----------------------------
1099 - Fixed Coverity defects in G4SimpleRunge (re 167 - Fixed Coverity defects in G4SimpleRunge (removed spurious pointer
1100 data member) and G4FieldTrack (missing G4Ch 168 data member) and G4FieldTrack (missing G4ChargeState::operator=()).
1101 - Synchronised unit tests to trunk (new test 169 - Synchronised unit tests to trunk (new test field07 and minor updates).
1102 170
1103 November 11th, 2011 J.Apostolakis - field-V0 171 November 11th, 2011 J.Apostolakis - field-V09-04-06
1104 ---------------------------------- 172 ----------------------------------
1105 - Added G4Field.cc to list of files in source 173 - Added G4Field.cc to list of files in sources.cmake
1106 174
1107 November 4th, 2011 J.Apostolakis - field-V0 175 November 4th, 2011 J.Apostolakis - field-V09-04-05
1108 ---------------------------------- 176 ----------------------------------
1109 - G4Field: revised to improve ability to dete 177 - G4Field: revised to improve ability to detect gravity field:
1110 Added new data member to identify gravity f 178 Added new data member to identify gravity field;
1111 Added new method IsGravityActive() to acces 179 Added new method IsGravityActive() to access this data member;
1112 Created new source file: moving constructor 180 Created new source file: moving constructors to it.
1113 - Changed G4UniformGravityField and G4Electro << 181 - Changed G4UniformGravityField and G4ElectroMagneticField
1114 to accomodate this refinement. 182 to accomodate this refinement.
1115 183
1116 November 2nd, 2011 P.Gumplinger - field-V09- 184 November 2nd, 2011 P.Gumplinger - field-V09-04-04
1117 -------------------------------- 185 --------------------------------
1118 - update list of files in sources.cmake 186 - update list of files in sources.cmake
1119 187
1120 October 28th, 2011 P.Gumplinger - field-V09- 188 October 28th, 2011 P.Gumplinger - field-V09-04-03
1121 -------------------------------- 189 --------------------------------
1122 - Added (uniform) gravity field capability. << 190 - Added (uniform) gravity field capability.
1123 New classes G4EqGravityField, G4UniformGrav 191 New classes G4EqGravityField, G4UniformGravityField.
1124 192
1125 *Required* for co-working tag in Transporta 193 *Required* for co-working tag in Transportation
1126 194
1127 October 12th, 2011 P.Gumplinger - field-V09- 195 October 12th, 2011 P.Gumplinger - field-V09-04-02
1128 -------------------------------- 196 --------------------------------
1129 - replaced: omegac = 0.105658387*GeV/mass * 2 197 - replaced: omegac = 0.105658387*GeV/mass * 2.837374841e-3*(rad/cm/kilogauss)
1130 with: omegac = (eplus/particleMass)*c_l 198 with: omegac = (eplus/particleMass)*c_light
1131 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.c 199 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc
1132 changed calculation: << 200 changed calculation:
1133 std::sqrt(kineticEnergy*kineticEnergy + 201 std::sqrt(kineticEnergy*kineticEnergy + 2.0*restMass_c2*kineticEnergy);
1134 to: 202 to:
1135 std::sqrt(kineticEnergy*(kineticEnergy+2 203 std::sqrt(kineticEnergy*(kineticEnergy+2.0*restMass_c2))
1136 in G4FieldTrack.cc 204 in G4FieldTrack.cc
1137 205
1138 August 11th, 2011 G.Cosmo - field-V09-04-01 206 August 11th, 2011 G.Cosmo - field-V09-04-01
1139 -------------------------- 207 --------------------------
1140 - Migrated to new G4Exception scheme for warn 208 - Migrated to new G4Exception scheme for warnings and errors.
1141 - Defined scheme for warnings/errors coding: 209 - Defined scheme for warnings/errors coding:
1142 + 1xxx for warnings, 0xxx for errors. 210 + 1xxx for warnings, 0xxx for errors.
1143 Code numbering: 211 Code numbering:
1144 + 0001: not supported or implemented featur 212 + 0001: not supported or implemented features;
1145 + 0002: invalid setup/construct; 213 + 0002: invalid setup/construct;
1146 + 0003: invalid run condition; 214 + 0003: invalid run condition;
1147 + 1001: incorrect setup; automatically adap 215 + 1001: incorrect setup; automatically adapted.
1148 + 1002: notification. 216 + 1002: notification.
1149 217
1150 May 13th, 2011 J.Apostolakis 218 May 13th, 2011 J.Apostolakis
1151 ---------------------------- 219 ----------------------------
1152 - Added new class G4TrialsCounter for keeping 220 - Added new class G4TrialsCounter for keeping statistics of trials.
1153 - Avoid printing out pointer in G4CachedMagne 221 - Avoid printing out pointer in G4CachedMagneticField::ReportStatistics().
1154 - Updated unit tests. 222 - Updated unit tests.
1155 223
1156 May 12th, 2011 G.Cosmo - field-V09-04-00 224 May 12th, 2011 G.Cosmo - field-V09-04-00
1157 ----------------------- 225 -----------------------
1158 - Fixed compilation warnings from gcc-4.6.0 f 226 - Fixed compilation warnings from gcc-4.6.0 for variables set but not used.
1159 227
1160 May 5th, 2011 J.Apostolakis 228 May 5th, 2011 J.Apostolakis
1161 ---------------------------- 229 ----------------------------
1162 - Reordered data members to group invariants, 230 - Reordered data members to group invariants, field parameters, etc...
1163 231
1164 Sep 10th, 2010 J.Apostolakis - field-V09-03- 232 Sep 10th, 2010 J.Apostolakis - field-V09-03-03
1165 ----------------------------- 233 -----------------------------
1166 - Revised constructor of G4MagErrorStepper to 234 - Revised constructor of G4MagErrorStepper to add number of State variables
1167 - Corrected MagErrorStepper to copy State Var 235 - Corrected MagErrorStepper to copy State Variable to output
1168 - Enable G4ConstRK4 to copy remaining State V 236 - Enable G4ConstRK4 to copy remaining State Variables (must integrate 6)
1169 237
1170 Sep 10th, 2010 J.Apostolakis - field-V09-03- 238 Sep 10th, 2010 J.Apostolakis - field-V09-03-02
1171 ----------------------------- 239 -----------------------------
1172 - New class G4MonopoleEq for rhs of d(pc)/ds 240 - New class G4MonopoleEq for rhs of d(pc)/ds propagation in field
1173 in SI units (V.Grichine). 241 in SI units (V.Grichine).
1174 - Fixed passing of time in G4NystromRK4 242 - Fixed passing of time in G4NystromRK4
1175 243
1176 Jul 21st, 2010 T.Nikitina - field-V09-03-01 244 Jul 21st, 2010 T.Nikitina - field-V09-03-01
1177 -------------------------- 245 --------------------------
1178 - Fixed cases of memory corruption in G4RKG3_ 246 - Fixed cases of memory corruption in G4RKG3_Stepper.
1179 - Fixed case of unused array data member in G 247 - Fixed case of unused array data member in G4ExactHelixStepper.
1180 - Removed useless code never executed in G4Co 248 - Removed useless code never executed in G4ConstRK4::Stepper().
1181 - Fixed initialization in G4NystromRK4 constr 249 - Fixed initialization in G4NystromRK4 constructor.
1182 250
1183 Jul 14th, 2010 G.Cosmo - field-V09-03-00 251 Jul 14th, 2010 G.Cosmo - field-V09-03-00
1184 ----------------------- 252 -----------------------
1185 - Added dummy initialization of members in co 253 - Added dummy initialization of members in constructors for G4CashKarpRKF45,
1186 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMField 254 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMFieldWithSpin, G4ExactHelixStepper,
1187 G4FieldTrack, G4MagHelicalStepper, G4MagInt 255 G4FieldTrack, G4MagHelicalStepper, G4MagInt_Driver, G4Mag_EqRhs,
1188 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4Nystro 256 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4NystromRK4, G4RKG3_Stepper,
1189 G4UniformElectricField, G4UniformElectricFi 257 G4UniformElectricField, G4UniformElectricField.
1190 258
1191 Nov 12th, 2009 J.Apostolakis - field-V09-02- 259 Nov 12th, 2009 J.Apostolakis - field-V09-02-09
1192 ----------------------------- 260 -----------------------------
1193 - G4MagIntegratorDriver: activate check on i 261 - G4MagIntegratorDriver: activate check on integration error for spin.
1194 262
1195 Nov 12th, 2009 J.Apostolakis - field-V09-02- 263 Nov 12th, 2009 J.Apostolakis - field-V09-02-08
1196 ----------------------------- (fix only) 264 ----------------------------- (fix only)
1197 - G4Nystrom: Corrected interface method getF 265 - G4Nystrom: Corrected interface method getField: array now has explicit dimension[4]
1198 (Problem found by gcc 4.3 - i 266 (Problem found by gcc 4.3 - it checked indices used in inline method! )
1199 267
1200 Nov 6th, 2009 P.Gumplinger - field-V09-02-07 268 Nov 6th, 2009 P.Gumplinger - field-V09-02-07
1201 --------------------------- 269 ---------------------------
1202 - bug fix in G4EqEMFieldWithSpin and G4EqEMFi 270 - bug fix in G4EqEMFieldWithSpin and G4EqEMFieldWithEDM
1203 thanks to Hiromi Iinuma (KEK) see: 271 thanks to Hiromi Iinuma (KEK) see:
1204 http://hypernews.slac.stanford.edu/HyperNew 272 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/161.html
1205 273
1206 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 274 Nov 5th, 2009 J.Apostolakis - field-V09-02-06
1207 ---------------------------- 275 ----------------------------
1208 - G4MagIntegratorDriver.cc : Enabled call to 276 - G4MagIntegratorDriver.cc : Enabled call to ComputeRightHandSide
1209 - G4NystromRK4.cc : Disabled auxilia 277 - G4NystromRK4.cc : Disabled auxiliary code in Stepper (needed if
1210 ComputeRightHan 278 ComputeRightHandSide is not called.)
1211 279
1212 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 280 Nov 5th, 2009 J.Apostolakis - field-V09-02-05
1213 ---------------------------- 281 ----------------------------
1214 - Added new virtual method CalculateRightHand 282 - Added new virtual method CalculateRightHandSide to G4MagIntegratorStepper for use
1215 in caching momentum (and field value) b 283 in caching momentum (and field value) by G4NystromRK4
1216 Default implementation in G4MagIntegrat 284 Default implementation in G4MagIntegratorStepper calls RightHandSide inline method.
1217 - G4Nystrom: New Set/Get method for cache di 285 - G4Nystrom: New Set/Get method for cache distance.
1218 Changed private data members in 286 Changed private data members in G4NystromRK4.
1219 - G4MagIntegratorDriver: alternative call to 287 - G4MagIntegratorDriver: alternative call to ComputeRightHandSide is not used (in comment)
1220 As a result G4NystromRK4 operat << 288 As a result G4NystromRK4 operates without reusing
1221 289
1222 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 290 Nov 5th, 2009 J.Apostolakis - field-V09-02-04
1223 ---------------------------- 291 ----------------------------
1224 - G4CachedMagneticField: New Simple class to << 292 - G4CachedMagneticField: New Simple class to cache value of Magnetic Field.
1225 Speeds up code when calculation of field 293 Speeds up code when calculation of field value is complex.
1226 - G4NystromRK4 : New Stepper with Nys 294 - G4NystromRK4 : New Stepper with Nystrom for magnetic field
1227 with analytic estimation of integration << 295 with analytic estimation of integration error.
1228 Greatly reduces number of field value pe 296 Greatly reduces number of field value per step.
1229 - Revised testPropagateMagField to use Cached 297 - Revised testPropagateMagField to use Cached Quadrupole field,
1230 and to cover G4NystromRK4 and G4ConstRK4 298 and to cover G4NystromRK4 and G4ConstRK4.
1231 299
1232 Nov 4th, 2009 P.Gumplinger - field-V09-02-03 300 Nov 4th, 2009 P.Gumplinger - field-V09-02-03
1233 --------------------------- 301 ---------------------------
1234 - (minor change) remove comment from G4EqEMFi 302 - (minor change) remove comment from G4EqEMFieldWithSpin.cc
1235 add G4EqEMFieldWithEDM class: this is the R 303 add G4EqEMFieldWithEDM class: this is the RHS of EofM in a combined
1236 electric and magnetic field, with spin trac 304 electric and magnetic field, with spin tracking for both MDM and EDM terms.
1237 Thanks to Kevin Lynch, Phys. Dept. at Bosto 305 Thanks to Kevin Lynch, Phys. Dept. at Boston University.
1238 306
1239 May 18th, 2009 T.Nikitina - field-V09-02-02 307 May 18th, 2009 T.Nikitina - field-V09-02-02
1240 ------------------------- 308 -------------------------
1241 - Enhanced algorithm G4ChordFinder::ApproxCur 309 - Enhanced algorithm G4ChordFinder::ApproxCurvePointS() in order to speedup
1242 BrentLocator. 310 BrentLocator.
1243 311
1244 March 25th, 2009 G.Cosmo - field-V09-02-01 312 March 25th, 2009 G.Cosmo - field-V09-02-01
1245 ------------------------ 313 ------------------------
1246 - Some code cleanup and formatting... 314 - Some code cleanup and formatting...
1247 315
1248 March 6th, 2009 P.Gumplinger - field-V09-02-0 316 March 6th, 2009 P.Gumplinger - field-V09-02-00
1249 ---------------------------- 317 ----------------------------
1250 - Added 3rd term of BMT equation (Spin x Beta 318 - Added 3rd term of BMT equation (Spin x Beta x Efield) to G4EqEMFieldWithSpin,
1251 addresses emfields forum posting #155 (bug 319 addresses emfields forum posting #155 (bug report). Thanks to Kevin Lynch,
1252 Phys. Dept. at Boston University. 320 Phys. Dept. at Boston University.
1253 - Moved renormalization of spin from G4EqEMFi 321 - Moved renormalization of spin from G4EqEMFieldWithSpin and G4Mag_SpinEqRhs to
1254 G4ClassicalRK4 and G4SimpleHeum. 322 G4ClassicalRK4 and G4SimpleHeum.
1255 - Added Spin propagation errors to the criter 323 - Added Spin propagation errors to the criteria for 'OneGoodStep' in
1256 G4MagIntegratorDriver but actually don't ad 324 G4MagIntegratorDriver but actually don't add it (yet) to the decision logic.
1257 325
1258 November, 19th, 2008 P.Gumplinger - field-V0 326 November, 19th, 2008 P.Gumplinger - field-V09-01-05
1259 ---------------------------------- 327 ----------------------------------
1260 - Renormalized the spin to 1 in G4EqEMFieldWi 328 - Renormalized the spin to 1 in G4EqEMFieldWithSpin and G4Mag_SpinEqRhs.
1261 329
1262 November, 7th, 2008 P.Gumplinger - field-V0 330 November, 7th, 2008 P.Gumplinger - field-V09-01-04
1263 ---------------------------------- 331 ----------------------------------
1264 - Added SetAnomaly() and GetAnomaly() accesso 332 - Added SetAnomaly() and GetAnomaly() accessors to G4EqEMFieldWithSpin.
1265 333
1266 October, 28th, 2008 T.Nikitina - field-V09- 334 October, 28th, 2008 T.Nikitina - field-V09-01-03
1267 -------------------------------- 335 --------------------------------
1268 - Added 'ApproxCurveV' to method G4ChordFinde << 336 - Added 'ApproxCurveV' to method G4ChordFinder::ApproxCurvePointS() in
1269 order to better calculate the curve length. 337 order to better calculate the curve length.
1270 - Some code cleanup. 338 - Some code cleanup.
1271 339
1272 September, 18th, 2008 T.Nikitina 340 September, 18th, 2008 T.Nikitina
1273 ---------------------------------- 341 ----------------------------------
1274 - Added new stepper class G4ConstRK4, perform 342 - Added new stepper class G4ConstRK4, performing integration of one step
1275 with error calculation in constant magnetic 343 with error calculation in constant magnetic field; implementation derived
1276 from G4ClassicalRK4. 344 from G4ClassicalRK4.
1277 345
1278 July, 15th, 2008 J.Apostolakis - field-V09- 346 July, 15th, 2008 J.Apostolakis - field-V09-01-02
1279 -------------------------------- 347 --------------------------------
1280 - Revised signature of G4ChordFinder::FinderN 348 - Revised signature of G4ChordFinder::FinderNextChord(), making 'FieldTrack'
1281 argument passed a reference. 349 argument passed a reference.
1282 350
1283 May, 28th, 2008 T.Nikitina 351 May, 28th, 2008 T.Nikitina
1284 ---------------------------- 352 ----------------------------
1285 - G4ChordFinder: added new method ApproxCurve 353 - G4ChordFinder: added new method ApproxCurvePointS() using Brent second order
1286 location mechanism. 354 location mechanism.
1287 355
1288 April 24th, 2008 T.Nikitina - field-V09-01- 356 April 24th, 2008 T.Nikitina - field-V09-01-01
1289 ----------------------------- 357 -----------------------------
1290 - Fix 'unused' non-initialized values of dydx 358 - Fix 'unused' non-initialized values of dydx in G4EqMagElectricField
1291 and G4EqEMFieldWithSpin. 359 and G4EqEMFieldWithSpin.
1292 360
1293 January 17th, 2008 G.Cosmo - field-V09-01-0 361 January 17th, 2008 G.Cosmo - field-V09-01-00
1294 ---------------------------- 362 ----------------------------
1295 - G4CashKarpRKF45: deleted un-needed duplicat 363 - G4CashKarpRKF45: deleted un-needed duplicate (and unused) instance variable
1296 'fNumberOfVariables', already defined in G4M 364 'fNumberOfVariables', already defined in G4MagIntegratorStepper. (J.Ap.)
1297 - Some code cleanup. 365 - Some code cleanup.
1298 366
1299 December 7th, 2007 J.Apostolakis & T.Nikiti 367 December 7th, 2007 J.Apostolakis & T.Nikitina - field-V09-00-03
1300 --------------------------------------------- 368 -----------------------------------------------
1301 - New class G4FieldManagerStore. It enables r 369 - New class G4FieldManagerStore. It enables resetting of all chord
1302 finders' state. Needed to address problem r 370 finders' state. Needed to address problem reported by user.
1303 371
1304 September 9th, 2007 G.Cosmo - field-V09-00-0 372 September 9th, 2007 G.Cosmo - field-V09-00-02a
1305 ---------------------------- 373 ----------------------------
1306 - Some code cleanup in G4MagHelicalStepper.cc 374 - Some code cleanup in G4MagHelicalStepper.cc.
1307 375
1308 August 30th, 2007 P.Gumplinger - field-V09 376 August 30th, 2007 P.Gumplinger - field-V09-00-02
1309 --------------------------------- 377 ---------------------------------
1310 - Add G4EqEMFieldWithSpin class to allow trac 378 - Add G4EqEMFieldWithSpin class to allow tracking of spin also in
1311 G4ElectroMagneticFields 379 G4ElectroMagneticFields
1312 380
1313 August 21st, 2007 T.Nikitina - field-V09-0 381 August 21st, 2007 T.Nikitina - field-V09-00-01
1314 ------------------------------- 382 -------------------------------
1315 - Fix to DistChord() method for Helical Stepp 383 - Fix to DistChord() method for Helical Steppers: adopt 'special' case
1316 also for Ang<2pi not only for Ang<pi; use c 384 also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
1317 improve CPU performance. 385 improve CPU performance.
1318 - Improved AdvanceHelix() to be able to make 386 - Improved AdvanceHelix() to be able to make half step and full step
1319 in one call. 387 in one call.
1320 - In G4HelixMixedStepper added possibility to 388 - In G4HelixMixedStepper added possibility to call different steppers for
1321 small steps and add some statistics how off 389 small steps and add some statistics how offen different steppers are called.
1322 - G4RKG3_Stepper: improved internal algorithm 390 - G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
1323 the stepper now gives comparable CPU perfor << 391 the stepper now gives comparable CPU performance as ClassicalRK4.
1324 - Updated unit tests. 392 - Updated unit tests.
1325 393
1326 August 17th, 2007 G.Cosmo - field-V09-00-0 394 August 17th, 2007 G.Cosmo - field-V09-00-00
1327 ---------------------------- 395 ----------------------------
1328 - Changed FatalException to EventMustBeAborte 396 - Changed FatalException to EventMustBeAborted in AccurateAdvance()
1329 if proposed integration step is negative. 397 if proposed integration step is negative.
1330 398
1331 June 8th, 2007 T.Nikitina - field-V08-03-0 399 June 8th, 2007 T.Nikitina - field-V08-03-03
1332 ---------------------------- 400 ----------------------------
1333 - Relaxed FatalException to Warning in G4MagI << 401 - Relaxed FatalException to Warning in G4MagIntegratorDriver::AccurateAdvance()
1334 for case of step zero and return previous v << 402 for case of step zero and return previous value. This fixes problem
1335 observed by ATLAS in release 8.3 when requi 403 observed by ATLAS in release 8.3 when requiring very accurate propagation
1336 -- ie using very small values for acceptabl 404 -- ie using very small values for acceptable integration error.
1337 405
1338 May 18th, 2007 T.Nikitina - field-V08-03-0 406 May 18th, 2007 T.Nikitina - field-V08-03-02
1339 ---------------------------- 407 ----------------------------
1340 - New class G4HelixMixedStepper, mixing helic 408 - New class G4HelixMixedStepper, mixing helical stepper and RK
1341 G4MagHelicalStepper 409 G4MagHelicalStepper
1342 - Keep values of inverse Radius, .. 410 - Keep values of inverse Radius, ..
1343 - New calculation of DistChord for SteppingAn 411 - New calculation of DistChord for SteppingAngle > pi
1344 G4RKG3Stepper 412 G4RKG3Stepper
1345 - New calculation of DistChord for SteppingAn 413 - New calculation of DistChord for SteppingAngle > pi
1346 414
1347 May 16th, 2007 G.Cosmo - field-V08-03-01 415 May 16th, 2007 G.Cosmo - field-V08-03-01
1348 ------------------------- 416 -------------------------
1349 - Introduced new class G4ErrorMag_UsualEqRhs 417 - Introduced new class G4ErrorMag_UsualEqRhs used to reverse the magnetic
1350 field when propagation is backwards for err 418 field when propagation is backwards for error propagation (by P.Arce).
1351 - Coworks with tag "global-V08-03-02". 419 - Coworks with tag "global-V08-03-02".
1352 420
1353 May 11th, 2007 G.Cosmo - field-V08-03-00 421 May 11th, 2007 G.Cosmo - field-V08-03-00
1354 ------------------------- 422 -------------------------
1355 - Use call to G4GeometryTolerance instead of 423 - Use call to G4GeometryTolerance instead of kCarTolerance constant in
1356 G4MagIntegratorDriver. 424 G4MagIntegratorDriver.
1357 - Requires tag "global-V08-03-00" and related 425 - Requires tag "global-V08-03-00" and related tag set.
1358 426
1359 May 10th, 2007 J.Apostolakis - field-V08-0 427 May 10th, 2007 J.Apostolakis - field-V08-02-01
1360 ------------------------------- 428 -------------------------------
1361 - G4MagIntegratorDriver: << 429 - G4MagIntegratorDriver:
1362 * added protections against zero initial 430 * added protections against zero initial or internal step h=0, (exceptions)
1363 * revised (re)calculation of h, and quit << 431 * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12)
1364 432
1365 April 26th, 2007 T.Nikitina - field-V08-02-0 433 April 26th, 2007 T.Nikitina - field-V08-02-00
1366 ---------------------------- 434 ----------------------------
1367 - Corrected integration constants in G4MagHel 435 - Corrected integration constants in G4MagHelicalStepper
1368 - Added implementation of G4RKG3_Stepper, ste 436 - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
1369 - Updated NTST unit test. New unit test "fiel 437 - Updated NTST unit test. New unit test "field06" for comparison of steppers.
1370 438
1371 November 14th, 2006 J.Apostolakis - field-V0 439 November 14th, 2006 J.Apostolakis - field-V08-01-02
1372 ---------------------------------- 440 ----------------------------------
1373 - G4MagIntegratorDriver 441 - G4MagIntegratorDriver
1374 * Made first argument of GetDerivatives a r 442 * Made first argument of GetDerivatives a reference - avoid copy
1375 - G4MagIntegratorStepper 443 - G4MagIntegratorStepper
1376 * Include the SetEquationOfMotion() method << 444 * Include the SetEquationOfMotion() method in G4MagIntegratorStepper
1377 (for Geant4e, as in field-V08-01-00) 445 (for Geant4e, as in field-V08-01-00)
1378 * Update of disclaimers. 446 * Update of disclaimers.
1379 447
1380 November 13th, 2006 G.Cosmo - field-V08-01-0 448 November 13th, 2006 G.Cosmo - field-V08-01-01
1381 ---------------------------- 449 ----------------------------
1382 - G4FieldTrack: 450 - G4FieldTrack:
1383 o Implemented missing definition for GetCha 451 o Implemented missing definition for GetCharge().
1384 o Corrected 'const' qualifier for accessors 452 o Corrected 'const' qualifier for accessors in the subclass.
1385 o Cleanup ... 453 o Cleanup ...
1386 - NOTE: this tag is NOT including the change 454 - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
1387 455
1388 June 21st, 2006 J.Apostolakis - field-V08-01 456 June 21st, 2006 J.Apostolakis - field-V08-01-00
1389 ------------------------------ 457 ------------------------------
1390 - Including the SetEquationOfMotion() method 458 - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
1391 459
1392 June 22nd, 2006 J.Apostolakis - field-V08-00 460 June 22nd, 2006 J.Apostolakis - field-V08-00-07
1393 ----------------------------- 461 -----------------------------
1394 - G4ExactHelixStepper: reintroduced corrected << 462 - G4ExactHelixStepper: reintroduced corrected class
1395 --> testPropagateMagField now tests it al 463 --> testPropagateMagField now tests it also (added)
1396 - G4MagHelicalStepper: made Stepper virtual ( << 464 - G4MagHelicalStepper: made Stepper virtual (for now)
1397 to enable G4ExactHelixStepper to 465 to enable G4ExactHelixStepper to override it
1398 466
1399 June 21st, 2006 J.Apostolakis - field-V08-00 467 June 21st, 2006 J.Apostolakis - field-V08-00-06
1400 ----------------------------- 468 -----------------------------
1401 - G4ExactHelixStepper: taking out class << 469 - G4ExactHelixStepper: taking out class
1402 (provisional tag in case of difficulties w 470 (provisional tag in case of difficulties with class, revisions)
1403 471
1404 --- The field-V08-00-0x , x > 6, tags do not 472 --- The field-V08-00-0x , x > 6, tags do not include the change below
1405 473
1406 May 27th, 2006 J.Apostolakis - field-V08-00- 474 May 27th, 2006 J.Apostolakis - field-V08-00-05
1407 ----------------------------- 475 -----------------------------
1408 - G4FieldTrack: Fix for simple compilation er 476 - G4FieldTrack: Fix for simple compilation error on Sun.
1409 477
1410 May 23rd, 2006 J.Apostolakis - field-V08-00- 478 May 23rd, 2006 J.Apostolakis - field-V08-00-04
1411 ----------------------------- 479 -----------------------------
1412 - G4FieldTrack: Fix for memory leak for Charg 480 - G4FieldTrack: Fix for memory leak for ChargeState
1413 Made G4ChargeState a data member (has an i 481 Made G4ChargeState a data member (has an instance)
1414 482
1415 May 18th, 2006 J.Apostolakis - field-V08-00- 483 May 18th, 2006 J.Apostolakis - field-V08-00-03
1416 ----------------------------- 484 -----------------------------
1417 - G4FieldTrack: Fix for issue with gcc 4.0 ( 485 - G4FieldTrack: Fix for issue with gcc 4.0 (mac)
1418 486
1419 May 16th, 2006 J.Apostolakis - field-V08-00- 487 May 16th, 2006 J.Apostolakis - field-V08-00-02
1420 ----------------------------- 488 -----------------------------
1421 - G4ExactHelixStepper 489 - G4ExactHelixStepper
1422 Taken out alpha version - it was included << 490 Taken out alpha version - it was included in error
1423 491
1424 May 11th, 2006 J.Apostolakis - field-V08-00- 492 May 11th, 2006 J.Apostolakis - field-V08-00-01
1425 ----------------------------- 493 -----------------------------
1426 - G4FieldTrack 494 - G4FieldTrack
1427 Significant, provisional change: 495 Significant, provisional change:
1428 * Added charge and moments to FieldTrack << 496 * Added charge and moments to FieldTrack
1429 (SetMethods, and pointer to embedde 497 (SetMethods, and pointer to embedded class G4ChargeState)
1430 Technical revisions: 498 Technical revisions:
1431 * New constructor, with charge and witho 499 * New constructor, with charge and without velocity
1432 * New almost-default constructor (taking 500 * New almost-default constructor (taking a character)
1433 Also: << 501 Also:
1434 * New constructor to take const referenc 502 * New constructor to take const reference to Spin
1435 * New implementation method UpdateFourMo 503 * New implementation method UpdateFourMomentum
1436 * Streaming operator takes const referen << 504 * Streaming operator takes const reference,
1437 and outputs momentum magnitude & dir 505 and outputs momentum magnitude & direction magn.
1438 506
1439 - G4ExactHelixStepper 507 - G4ExactHelixStepper
1440 Included in error << 508 Included in error
1441 509
1442 Apr 6th, 2006 J.Apostolakis - field-V08-00-0 510 Apr 6th, 2006 J.Apostolakis - field-V08-00-00
1443 ---------------------------- 511 ----------------------------
1444 - In G4FieldManager 512 - In G4FieldManager
1445 Added missing const GetChordFinder() method << 513 Added missing const GetChordFinder() method -- Problem report #847
1446 Corrected description (at top of include fil 514 Corrected description (at top of include file hh):
1447 - It is possible to set the field manager o 515 - It is possible to set the field manager of a logical volume (since long)
1448 516
1449 517
1450 Nov 9th, 2005 G.Cosmo - field-V07-01-00 518 Nov 9th, 2005 G.Cosmo - field-V07-01-00
1451 ---------------------- 519 ----------------------
1452 - Archived source code of field01 unit test, 520 - Archived source code of field01 unit test, now moved to examples/extended.
1453 - Migrated unit test NTST to use <sstream> an 521 - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
1454 with G4VParticleChange new interface. 522 with G4VParticleChange new interface.
1455 523
1456 Dec 2nd, 2004 G.Cosmo - field-V06-02-02 524 Dec 2nd, 2004 G.Cosmo - field-V06-02-02
1457 ---------------------- 525 ----------------------
1458 - Implemented migration to <cmath> for standa 526 - Implemented migration to <cmath> for standard mathematical functions.
1459 527
1460 Dec 2nd, 2004 J.Apostolakis - field-V06-02-0 528 Dec 2nd, 2004 J.Apostolakis - field-V06-02-01
1461 ---------------------------- 529 ----------------------------
1462 - Improvements to comments in key Field class 530 - Improvements to comments in key Field classes
1463 - Changes to test/NTST, renaming 'main()' fil 531 - Changes to test/NTST, renaming 'main()' file & modifying input files
1464 - Several improvements to test files 532 - Several improvements to test files
1465 testProElectroMagField.cc 533 testProElectroMagField.cc
1466 * updating for new Electric Field inheri 534 * updating for new Electric Field inheritance (& need for
1467 different ChordFinder creation ) 535 different ChordFinder creation )
1468 * adding columns to print-outs in spin c 536 * adding columns to print-outs in spin case for better diagnosis
1469 testPropagateMagField.cc 537 testPropagateMagField.cc
1470 * Added verbosity level 1 to field Propa 538 * Added verbosity level 1 to field Propagator, relabelled old method.
1471 testPropagateSpin.cc 539 testPropagateSpin.cc
1472 * Added more printout of parameters (sta 540 * Added more printout of parameters (state) of G4PropagatorInField
1473 and G4FieldManager before running each 541 and G4FieldManager before running each test.
1474 test/NTST 542 test/NTST
1475 * Renamed main() file to testNTST.cc and 543 * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
1476 544
1477 545
1478 Oct 20th, 2004 P.Gumplinger - field-V06-02-0 546 Oct 20th, 2004 P.Gumplinger - field-V06-02-00
1479 ---------------------------- 547 ----------------------------
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi 548 - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
1481 549
1482 Feb 9th, 2004 G.Cosmo - field-V06-00-00 550 Feb 9th, 2004 G.Cosmo - field-V06-00-00
1483 ---------------------- 551 ----------------------
1484 - G4UniformMagField.cc: added missing impleme 552 - G4UniformMagField.cc: added missing implementation for
1485 GetConstantFieldValue(). Fixes bug report # 553 GetConstantFieldValue(). Fixes bug report #575.
1486 554
1487 Nov 13th, 2003 J.Apostolakis - field-V05-02- 555 Nov 13th, 2003 J.Apostolakis - field-V05-02-08
1488 ----------------------------- 556 -----------------------------
1489 - G4ChordFinder: << 557 - G4ChordFinder:
1490 o extended the arguments of AdvanceChordLim 558 o extended the arguments of AdvanceChordLimited and FindNextChord
1491 adding the current safety sphere (origin, 559 adding the current safety sphere (origin, radius), for use in optimising.
1492 o fixed set functions which had side effect 560 o fixed set functions which had side effect (on first fraction.)
1493 - Added new class G4ChordFinderSaf (using abo 561 - Added new class G4ChordFinderSaf (using above)
1494 o which uses safety to create longer chords << 562 o which uses safety to create longer chords, so enabling
1495 propagation in fewer steps --> performa 563 propagation in fewer steps --> performance optimisation
1496 - G4FieldManager: << 564 - G4FieldManager:
1497 Changed default accuracy parameters to mu 565 Changed default accuracy parameters to much better values:
1498 Epsilon Min Default to 5.0e-5 from 566 Epsilon Min Default to 5.0e-5 from 5.0e-7 (too small)
1499 Epsilon Max Default to 0.001 from 567 Epsilon Max Default to 0.001 from 0.05 (far too big)
1500 568
1501 Nov 7th, 2003 J.Apostolakis - field-V05-02- 569 Nov 7th, 2003 J.Apostolakis - field-V05-02-07
1502 ----------------------------- 570 -----------------------------
1503 - G4ChordFinder << 571 - G4ChordFinder
1504 o Made this a base class 572 o Made this a base class
1505 * to enable specialised implementations 573 * to enable specialised implementations
1506 * virtual methods: FindNextChord, PrintSt 574 * virtual methods: FindNextChord, PrintStatistics)
1507 * new method AccumulateStatistics to aid 575 * new method AccumulateStatistics to aid in this
1508 576
1509 o New default value of 577 o New default value of Accuracy!!
1510 Delta Chord to 0.25 mm (from 578 Delta Chord to 0.25 mm (from 3.00 mm) <-----
1511 << 579
1512 - G4FieldManager 580 - G4FieldManager
1513 o Changed default values of 581 o Changed default values of
1514 Delta One Step to 0.010 mm (from 582 Delta One Step to 0.010 mm (from 0.25 mm) <-----
1515 Delta Intersection to 0.001 mm (from 583 Delta Intersection to 0.001 mm (from 0.10 mm) <-----
1516 for increased default accuracy 584 for increased default accuracy
1517 o Use field's DoesFieldChangesEnergy method 585 o Use field's DoesFieldChangesEnergy method to set relevant member variable
1518 586
1519 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 587 Nov 7th, 2003 J.Apostolakis - field-V05-02-06
1520 ---------------------------- 588 ----------------------------
1521 - G4ChordFinder 589 - G4ChordFinder
1522 Created new class members for parameters u 590 Created new class members for parameters used in heuristics:
1523 fFirstFraction for first st 591 fFirstFraction for first step
1524 fFractionLast fraction of 592 fFractionLast fraction of last step, if redoing
1525 fFractionNextEstimate confidence i 593 fFractionNextEstimate confidence in step est from chord
1526 fMultipleRadius for small ra 594 fMultipleRadius for small radii of curve
1527 New method to Print Statistics. 595 New method to Print Statistics.
1528 Verbosity to enable optional printing of s 596 Verbosity to enable optional printing of stats in destructor.
1529 597
1530 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 598 Nov 7th, 2003 J.Apostolakis - field-V05-02-05
1531 ---------------------------- 599 ----------------------------
1532 - G4ChordFinder 600 - G4ChordFinder
1533 o Added simple statistics (with access meth 601 o Added simple statistics (with access methods)
1534 - test/NTST 602 - test/NTST
1535 o Added new test, taken from D. Williams' e 603 o Added new test, taken from D. Williams' exampleNTST
1536 modified and maintained by J. Apostolaki << 604 modified and maintained by J. Apostolakis
1537 605
1538 Nov 5th, 2003 J.Apostolakis - field-V05-02-0 606 Nov 5th, 2003 J.Apostolakis - field-V05-02-04
1539 ---------------------------- 607 ----------------------------
1540 - G4FieldManager 608 - G4FieldManager
1541 o Added Get/Set Min/Max imumEpsilonStep 609 o Added Get/Set Min/Max imumEpsilonStep
1542 o Added fEpsilonMin fEpsilonMax & default t << 610 o Added fEpsilonMin fEpsilonMax & default to member variables.
1543 >> Now these can be tailored for different 611 >> Now these can be tailored for different parts of a detector or setup
1544 612
1545 - G4Field G4ElectroMagneticField G4MagneticFi 613 - G4Field G4ElectroMagneticField G4MagneticField
1546 o Adding the virtual method DoesFieldChan 614 o Adding the virtual method DoesFieldChangeEnergy() [to be used later]
1547 o So that G4ElectroMagneticField derives fr 615 o So that G4ElectroMagneticField derives from G4Field
1548 and G4MagneticField derives from G4Electr 616 and G4MagneticField derives from G4ElectroMagneticField
1549 617
1550 - G4MagErrorStepper and derived classes 618 - G4MagErrorStepper and derived classes
1551 (G4ClassicalRK4 G4SimpleRunge G4ExplicitE 619 (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
1552 o the constructors take G4EquationOfMotion 620 o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
1553 as it these applicable to all types of eq << 621 as it these applicable to all types of equations
1554 (not just ones for Magnetic field) 622 (not just ones for Magnetic field)
1555 623
1556 - G4EqMagElectricField 624 - G4EqMagElectricField
1557 o derives from G4EquationOfMotion 625 o derives from G4EquationOfMotion
1558 626
1559 - G4ChordFinder 627 - G4ChordFinder
1560 o Moved simple constructor to .cc file (tog 628 o Moved simple constructor to .cc file (together with 'complex' one)
1561 o Changed fDefaultDeltaChord to a constant 629 o Changed fDefaultDeltaChord to a constant member variable (from class var.)
1562 630
1563 Nov 4th, 2003 G.Cosmo - field-V05-02-03 631 Nov 4th, 2003 G.Cosmo - field-V05-02-03
1564 ---------------------- 632 ----------------------
1565 Undocumented. 633 Undocumented.
1566 634
1567 Nov 4th, 2003 G.Cosmo - field-V05-02-02 635 Nov 4th, 2003 G.Cosmo - field-V05-02-02
1568 ---------------------- 636 ----------------------
1569 - G4ChordFinder.cc: 637 - G4ChordFinder.cc:
1570 o Fixed compilation problem occuring when G 638 o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
1571 639
1572 Oct 31st, 2003 G.Cosmo - field-V05-02-01 640 Oct 31st, 2003 G.Cosmo - field-V05-02-01
1573 ----------------------- 641 -----------------------
1574 - Code cleanup and removal of redundant heade 642 - Code cleanup and removal of redundant header includes, replaced
1575 where necessary by forward declarations. 643 where necessary by forward declarations.
1576 644
1577 Oct 24th, 2003 G.Cosmo - field-V05-02-00 645 Oct 24th, 2003 G.Cosmo - field-V05-02-00
1578 ----------------------- 646 -----------------------
1579 - Migrated to use new G4Exception scheme. 647 - Migrated to use new G4Exception scheme.
1580 - Updated outputs of unit tests. 648 - Updated outputs of unit tests.
1581 649
1582 Jun 25th, 2003 J.Apostolakis - field-V05-01- 650 Jun 25th, 2003 J.Apostolakis - field-V05-01-06
1583 ----------------------------- 651 -----------------------------
1584 - Suppressed printing of statistics (by defau 652 - Suppressed printing of statistics (by default) in MagIntegrationDriver.
1585 - Fix for unused variables warning in ChordFi 653 - Fix for unused variables warning in ChordFinder.
1586 654
1587 Jun 24th, 2003 J.Apostolakis - field-V05-01- 655 Jun 24th, 2003 J.Apostolakis - field-V05-01-05
1588 ----------------------------- 656 -----------------------------
1589 - Fix for problems introduced in field-V05-01 657 - Fix for problems introduced in field-V05-01-03:
1590 o G4ChordFinder: 658 o G4ChordFinder:
1591 - Fixed unitialised variable for next ste 659 - Fixed unitialised variable for next step (now used for optimisation).
1592 - Protected assignment of 'fLastStepEstim 660 - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
1593 unitialised value. 661 unitialised value.
1594 662
1595 Jun 21st, 2003 J.Apostolakis - field-V05-01- 663 Jun 21st, 2003 J.Apostolakis - field-V05-01-04
1596 ----------------------------- 664 -----------------------------
1597 - G4FieldManager: 665 - G4FieldManager:
1598 o Revised into 'slightly' abstract class wi 666 o Revised into 'slightly' abstract class with one (new) virtual method:
1599 ConfigureForTrack( const G4Track *) 667 ConfigureForTrack( const G4Track *)
1600 to enable the user to configure it with d 668 to enable the user to configure it with different accuracy parameters
1601 depending on energy, particle id, volume, 669 depending on energy, particle id, volume, or other track state.
1602 Currently by default, no such configurati 670 Currently by default, no such configuration action is undertaken.
1603 671
1604 Jun 21st, 2003 J.Apostolakis - field-V05-01- 672 Jun 21st, 2003 J.Apostolakis - field-V05-01-03
1605 ----------------------------- 673 -----------------------------
1606 - Revised G4ChordFinder: 674 - Revised G4ChordFinder:
1607 * FindNextChord now provides next Step esti 675 * FindNextChord now provides next Step estimate (for accuracy in Integr.)
1608 * AdvanceChordLimited to use 676 * AdvanceChordLimited to use
1609 - above extra argument to FindNextChord 677 - above extra argument to FindNextChord
1610 - the next Step argument as initial-step 678 - the next Step argument as initial-step suggested to Accurate Advance
1611 - G4MagIntegratorDriver: 679 - G4MagIntegratorDriver:
1612 * Added extra argument to Accurate Advance: 680 * Added extra argument to Accurate Advance:
1613 hinitial: suggested initial step size 681 hinitial: suggested initial step size
1614 - Note: 682 - Note:
1615 * Purpose: performance boost with small/li << 683 * Purpose: performance boost with small/limited changes,
1616 including minor revisions of interfaces. 684 including minor revisions of interfaces.
1617 685
1618 Jun 20th, 2003 J.Apostolakis - field-V05-01- 686 Jun 20th, 2003 J.Apostolakis - field-V05-01-02
1619 ----------------------------- 687 -----------------------------
1620 - G4MagIntegratorDriver Quick Advance: 688 - G4MagIntegratorDriver Quick Advance:
1621 o Took out two unneccessary square roots an 689 o Took out two unneccessary square roots and two divisions.
1622 - Notes: 690 - Notes:
1623 1) Pure magnetic, electric, spin field test 691 1) Pure magnetic, electric, spin field test are completed.
1624 2) Purpose: performance boost with small c 692 2) Purpose: performance boost with small changes.
1625 693
1626 Jun 20th, 2003 J.Apostolakis - field-V05-01- 694 Jun 20th, 2003 J.Apostolakis - field-V05-01-01
1627 ----------------------------- 695 -----------------------------
1628 - G4MagIntegratorDriver: 696 - G4MagIntegratorDriver:
1629 o Corrected neglected conversion to <std> f 697 o Corrected neglected conversion to <std> from "G4std".
1630 - Migrated unit tests to <std>. 698 - Migrated unit tests to <std>.
1631 699
1632 Jun 19th, 2003 J.Apostolakis - field-V05-01- 700 Jun 19th, 2003 J.Apostolakis - field-V05-01-00
1633 ----------------------------- << 701 -----------------------------
1634 - G4ChordFinder: 702 - G4ChordFinder:
1635 o Corrected simple constructor to initialis 703 o Corrected simple constructor to initialise several member variables
1636 including LastStepEstimate_Unconstrained. 704 including LastStepEstimate_Unconstrained.
1637 - G4MagIntegratorDriver: 705 - G4MagIntegratorDriver:
1638 o Keep simple statistics on number of steps 706 o Keep simple statistics on number of steps, total error and step size.
1639 o Took out an unneccessary square root (in 707 o Took out an unneccessary square root (in loop).
1640 - NOTE: tests field0X are to be migrated. 708 - NOTE: tests field0X are to be migrated.
1641 Purpose: fixes, small performance boost, si 709 Purpose: fixes, small performance boost, simple statistics.
1642 710
1643 Apr 2nd, 2003 G. Cosmo - field-V05-00-01 711 Apr 2nd, 2003 G. Cosmo - field-V05-00-01
1644 --------------------------- 712 ---------------------------
1645 - Created .cc files for G4MagneticField and G 713 - Created .cc files for G4MagneticField and G4ElecroMagneticField.
1646 - Fixed definition of copy constructors in fi 714 - Fixed definition of copy constructors in fields inheritance chain.
1647 - Moved obsolete method StepWithEst() to priv 715 - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
1648 G4CashKarpRKF45 and G4ClassicalRK4. 716 G4CashKarpRKF45 and G4ClassicalRK4.
1649 - Cleared strict pedantic warnings. 717 - Cleared strict pedantic warnings.
1650 718
1651 Feb 5th, 2003 G. Cosmo - field-V05-00-00 719 Feb 5th, 2003 G. Cosmo - field-V05-00-00
1652 --------------------------- 720 ---------------------------
1653 - Removed redundant inclusions of PhysicalCon 721 - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
1654 Now using directly CLHEP's headers. 722 Now using directly CLHEP's headers.
1655 723
1656 Dec 12th, 2002 G. Cosmo - field-V04-01-06 724 Dec 12th, 2002 G. Cosmo - field-V04-01-06
1657 --------------------------- 725 ---------------------------
1658 - Moved unused variable 'nStpPr' to debug sec 726 - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
1659 method AccurateAdvance(). 727 method AccurateAdvance().
1660 728
1661 Dec 06th, 2002 G. Cosmo - field-V04-01-05 729 Dec 06th, 2002 G. Cosmo - field-V04-01-05
1662 --------------------------- 730 ---------------------------
1663 - Merged changes by Makoto for migration to n 731 - Merged changes by Makoto for migration to new G4ApplicationState in
1664 messengers of unit tests. 732 messengers of unit tests.
1665 733
1666 Nov 29th, 2002 J. Apostolakis - field-V04 734 Nov 29th, 2002 J. Apostolakis - field-V04-01-04
1667 --------------------------------- 735 ---------------------------------
1668 Further fixes for unitialised variable - in o 736 Further fixes for unitialised variable - in other steppers:
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE 737 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
1670 738
1671 Large memory leak fix for G4ImplicitEuler, sm 739 Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
1672 Test accuracy requirements for spin adjusted. 740 Test accuracy requirements for spin adjusted.
1673 741
1674 Nov 20th, 2002 J. Apostolakis - field-V04 742 Nov 20th, 2002 J. Apostolakis - field-V04-01-03
1675 --------------------------------- 743 ---------------------------------
1676 Further fixes for unitialised variables: 744 Further fixes for unitialised variables:
1677 745
1678 * G4MagIntegratorStepper 746 * G4MagIntegratorStepper
1679 - Created instance variables for number of 747 - Created instance variables for number of Integration, State variables
1680 748
1681 * G4MagErrorStepper 749 * G4MagErrorStepper
1682 - Utilise number of State variables to ini 750 - Utilise number of State variables to initialise full state of Output.
1683 751
1684 * G4Mag_SpinEqRhs 752 * G4Mag_SpinEqRhs
1685 - Initialise the values of dydx that we do 753 - Initialise the values of dydx that we do not update.
1686 754
1687 Note: Undoing these changes and the ones belo << 755 Note: Undoing these changes and the ones below would enable the user to see
1688 if undefined values are used in varia << 756 if undefined values are used in variables that he/she expects to
1689 have integrated. 757 have integrated.
1690 BUT the fix assists us to find truly un 758 BUT the fix assists us to find truly undefined values elsewhere
1691 -- if they exist -- using valgrind. 759 -- if they exist -- using valgrind.
1692 760
1693 Nov 9th, 2002 J. Apostolakis - field-V04 761 Nov 9th, 2002 J. Apostolakis - field-V04-01-02
1694 --------------------------------- 762 ---------------------------------
1695 Fixes to address use of uninitialised variabl 763 Fixes to address use of uninitialised variable in seting values of FieldTrack
1696 (this was done by design, but was neither ide 764 (this was done by design, but was neither ideal or always well-behaved.)
1697 Changed: 765 Changed:
1698 766
1699 * G4MagIntegratorDriver 767 * G4MagIntegratorDriver
1700 - Added instance variables for number of In 768 - Added instance variables for number of Integration, State variables
1701 - Initialise all State variables of Output 769 - Initialise all State variables of Output with values from initial variables.
1702 - Only the Integration variables will be in 770 - Only the Integration variables will be integrated
1703 771
1704 * G4ClassicalRK4 and G4MagErrorStepper 772 * G4ClassicalRK4 and G4MagErrorStepper
1705 - Copy the initial time to intermediate and << 773 - Copy the initial time to intermediate and output C-vectors,
1706 in order to provide a zero-eth estimate 774 in order to provide a zero-eth estimate value.
1707 Note1: Should clean-up this fix, making it 775 Note1: Should clean-up this fix, making it similar to Driver (above)
1708 Note2: Should *not* be used for time varyin << 776 Note2: Should *not* be used for time varying field unless created
1709 with at least 8 integration variab 777 with at least 8 integration variables
1710 --------------------------------- << 778 ---------------------------------
1711 G4ChordFinder.cc 779 G4ChordFinder.cc
1712 - Correction from zero dChord 780 - Correction from zero dChord
1713 which is does not update the Unconstrai 781 which is does not update the Unconstrained step estimate (state)
1714 - Added instance variables to store number 782 - Added instance variables to store number of calls and chord-trials
1715 and new print method for 'debugging' 783 and new print method for 'debugging'
1716 784
1717 G4Mag_UsualEqRhs.cc 785 G4Mag_UsualEqRhs.cc
1718 - Attempted approximations for speedup *ov 786 - Attempted approximations for speedup *overwritten* by full inverse sqrt.
1719 787
1720 788
1721 Oct 29th, 2002 J. Apostolakis - test-V04-0 789 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1722 -------------------------------- 790 --------------------------------
1723 - Changed output of tests for small output ch 791 - Changed output of tests for small output change (GeV->MeV)
1724 792
1725 Oct 29th, 2002 J. Apostolakis - test-V04-0 793 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1726 -------------------------------- 794 --------------------------------
1727 - (Only changed and tagged test subdirectory) 795 - (Only changed and tagged test subdirectory)
1728 Changed tests to use the new method SetChar << 796 Changed tests to use the new method SetChargeMomentumMass of
1729 PropagatorInField in order to be ready for << 797 PropagatorInField in order to be ready for its full use in
1730 G4PropagatorInField. 798 G4PropagatorInField.
1731 (A key problem at end-July was this non-pre 799 (A key problem at end-July was this non-preparedness of the unit tests.)
1732 800
1733 Jul 24th, 2002 G. Cosmo - field-V04-01-01 801 Jul 24th, 2002 G. Cosmo - field-V04-01-01
1734 -------------------------- 802 --------------------------
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta 803 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736 fDefault_Delta_Intersection_Val normal cons 804 fDefault_Delta_Intersection_Val normal constants (not static) to
1737 resolve initialisation problems. Coworks wi 805 resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738 Fixes problem report #383. 806 Fixes problem report #383.
1739 807
1740 Jul 23rd, 2002 G. Cosmo - field-V04-01-00 808 Jul 23rd, 2002 G. Cosmo - field-V04-01-00
1741 -------------------------- 809 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o 810 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743 Protected variable 'nStpPr' with G4DEBUG_FI 811 Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up 812 - Updated reference outputs and some other updates to unit tests.
1745 813
1746 Jun 25th, 2002 J. Apostolakis - field-V04- 814 Jun 25th, 2002 J. Apostolakis - field-V04-00-05
1747 -------------------------------- 815 --------------------------------
1748 - G4ChordFinder.cc 816 - G4ChordFinder.cc
1749 In NewStep: fixed case of stepTrial >> ste 817 In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750 (it was treated the same as stepTrial 818 (it was treated the same as stepTrial << old)
1751 Added guard for stepTrial==0.0 in FindNextC 819 Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc 820 - G4MagIntegratorDriver.cc
1753 Added protection against error of 0.0 in Co 821 Added protection against error of 0.0 in ComputeNewStepSize.
1754 822
1755 - G4EquationOfMotion 823 - G4EquationOfMotion
1756 Made RightHandSide an inline method << 824 Made RightHandSide an inline method
1757 In GetFieldValue signature of Point is doub 825 In GetFieldValue signature of Point is double[4], instead of double[3]
1758 Defined G4maximum_number_of_field_component 826 Defined G4maximum_number_of_field_components as enum
1759 827
1760 Jun 7th, 2002 J. Apostolakis - field-V04- 828 Jun 7th, 2002 J. Apostolakis - field-V04-00-04
1761 -------------------------------- 829 --------------------------------
1762 - G4Mag_SpinEqRhs.cc 830 - G4Mag_SpinEqRhs.cc
1763 o Fix to momentum component of Rhs. 831 o Fix to momentum component of Rhs.
1764 832
1765 May 31st, 2002 J. Apostolakis - field-V04- 833 May 31st, 2002 J. Apostolakis - field-V04-00-03
1766 -------------------------------- 834 --------------------------------
1767 - G4MagHelicalStepper.icc 835 - G4MagHelicalStepper.icc
1768 o Fix to LinearStep (correcting previous 836 o Fix to LinearStep (correcting previous fix/cosmetic)
1769 - G4ChordFinder.cc 837 - G4ChordFinder.cc
1770 o Corrective behaviour for very small or 838 o Corrective behaviour for very small or large changes of 'new step'
1771 [observed in complex 3-d fields (purgi 839 [observed in complex 3-d fields (purging magnet), or
1772 approximate equations of 840 approximate equations of motion ]
1773 - G4MagIntegratorDriver 841 - G4MagIntegratorDriver
1774 o More information in debug printing (tan 842 o More information in debug printing (tangent cosine, norm)
1775 843
1776 May 7th, 2002 J. Apostolakis 844 May 7th, 2002 J. Apostolakis
1777 -------------------------------- 845 --------------------------------
1778 - G4MagIntegratorDriver - ( on trunk ) 846 - G4MagIntegratorDriver - ( on trunk )
1779 * Fix to update the field track for steps s << 847 * Fix to update the field track for steps smaller than the chord finder's
1780 minstep. << 848 minstep.
1781 849
1782 850
1783 April 19th, 2002 J. Apostolakis (not inclu 851 April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
1784 -------------------------------- 852 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc (on trunk) 853 - G4MagIntegratorDriver.hh,cc (on trunk)
1786 * Bug fix: last step can now only be trigg 854 * Bug fix: last step can now only be triggerred if x+h > x2.
1787 * Debugging methods improved. 855 * Debugging methods improved.
1788 856
1789 May 7th, 2002 J. Apostolakis - field-V04- 857 May 7th, 2002 J. Apostolakis - field-V04-00-02
1790 -------------------------------- 858 --------------------------------
1791 Tag including only two changes below: 859 Tag including only two changes below:
1792 - Putting aside the other fixes/changes (as << 860 - Putting aside the other fixes/changes (as the one above) to
1793 G4MagIntegratorDriver, tagging only the fix t << 861 G4MagIntegratorDriver, tagging only the fix to update the field track
1794 for steps smaller than the chord finder's min 862 for steps smaller than the chord finder's minstep.
1795 863
1796 May 7th, 2002 J. Apostolakis 864 May 7th, 2002 J. Apostolakis
1797 -------------------------------- 865 --------------------------------
1798 - G4MagIntegratorDriver - ** branch ** on 866 - G4MagIntegratorDriver - ** branch ** on 1.20 **
1799 * Fix to update the field track for steps s << 867 * Fix to update the field track for steps smaller than the chord finder's
1800 minstep. << 868 minstep.
1801 869
1802 May 7th, 2002 J. Apostolakis 870 May 7th, 2002 J. Apostolakis
1803 -------------------------------- 871 --------------------------------
1804 - G4MagIntegratorStepper 872 - G4MagIntegratorStepper
1805 * Changed RightHandSide from a virtual meth << 873 * Changed RightHandSide from a virtual method to an inline (non-virtual)
1806 method -- it is not and should not be c 874 method -- it is not and should not be changed by derived classes.
1807 875
1808 Mar 28th, 2002 J. Apostolakis - field-V04-00 876 Mar 28th, 2002 J. Apostolakis - field-V04-00-01
1809 ----------------------- 877 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex << 878 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
1811 that had not been updated for new integra 879 that had not been updated for new integration variable (momentum).
1812 --> found in testing helical steppers in << 880 --> found in testing helical steppers in BaBar setup,
1813 in region of negligible field. 881 in region of negligible field.
1814 882
1815 - Changed maximum number of steps in driver, << 883 - Changed maximum number of steps in driver,
1816 halving from 500/order to 250/order. 884 halving from 500/order to 250/order.
1817 885
1818 Mar 28th, 2002 J. Apostolakis 886 Mar 28th, 2002 J. Apostolakis
1819 ----------------------- 887 -----------------------
1820 - Committed directory "OtherField" with examp 888 - Committed directory "OtherField" with examples of fields,
1821 Delphi, Quadropole etc. 889 Delphi, Quadropole etc.
1822 890
1823 - Updated outputs of testPropagateMagField fo 891 - Updated outputs of testPropagateMagField for new version of source,
1824 that has 3rd test case. 892 that has 3rd test case.
1825 893
1826 - Added new runs and outputs for testProElect << 894 - Added new runs and outputs for testProElectroMagField, with
1827 several steppers, and modified test scrip 895 several steppers, and modified test script test.sh accordingly.
1828 896
1829 897
1830 Feb 2nd, 2002 V. Grichine 898 Feb 2nd, 2002 V. Grichine
1831 ------------------------ 899 ------------------------
1832 Update of test/field02 to utilise new feature << 900 Update of test/field02 to utilise new features
1833 - for Electric Field, to signal that a fiel 901 - for Electric Field, to signal that a field modifies the energy;
1834 - updating of time by integration, for time 902 - updating of time by integration, for time dependent fields.
1835 903
1836 Jan 10th, 2002 G. Cosmo - field-V04-00-00 904 Jan 10th, 2002 G. Cosmo - field-V04-00-00
1837 ------------------------ 905 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile. 906 - Activated G4DEBUG_FIELD in GNUmakefile.
1839 907
1840 Jan 7th, 2002 J. Apostolakis 908 Jan 7th, 2002 J. Apostolakis
1841 ----------------------------- 909 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia 910 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843 911
1844 Dec 4th, 2001 G. Cosmo - field-V03-02-08 912 Dec 4th, 2001 G. Cosmo - field-V03-02-08
1845 ----------------------- 913 -----------------------
1846 - Fixed interface to virtual functions in the 914 - Fixed interface to virtual functions in the inheritance chain.
1847 Added 'virtual' qualifier to destructor and 915 Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848 of G4Field which may act as base class for 916 of G4Field which may act as base class for user-defined fields.
1849 Modified files: G4MagneticField.hh, G4Unifo 917 Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850 G4UniformMagField.hh. 918 G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng 919 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852 inside #ifdef G4DEBUG_FIELD. Other #ifdef r 920 inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w 921 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854 is returned (V.Grichine). 922 is returned (V.Grichine).
1855 923
1856 Nov 28th, 2001 J. Apostolakis - field-V03-02 924 Nov 28th, 2001 J. Apostolakis - field-V03-02-07
1857 ------------------------------ 925 ------------------------------
1858 G4FieldManager 926 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g 927 - Added fFieldChangesEnergy data member and get/set methods
1860 ( required to allow transportation to know h 928 ( required to allow transportation to know how to calculate end-time,
1861 enabling the integration of time only for 929 enabling the integration of time only for electric fields. )
1862 930
1863 Nov 28th, 2001 J. Apostolakis - field-V03-02 931 Nov 28th, 2001 J. Apostolakis - field-V03-02-06
1864 ------------------------------ 932 ------------------------------
1865 Small fixes only: 933 Small fixes only:
1866 934
1867 G4CashKarpRKF45 935 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array 936 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869 937
1870 G4EqMagElectricField 938 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci 939 - bug fixed in the formula for inverse velocity (-> V. Grichine)
1872 940
1873 Nov 21st, 2001 G. Cosmo - field-V03-02-05 941 Nov 21st, 2001 G. Cosmo - field-V03-02-05
1874 ------------------------ 942 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB 943 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876 (V.Grichine). 944 (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma 945 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02. 946 - Updates to unit test field02.
1879 947
1880 Nov 13th, 2001 G. Cosmo - field-V03-02-04 948 Nov 13th, 2001 G. Cosmo - field-V03-02-04
1881 ------------------------ 949 ------------------------
1882 - Removed warnings on gcc-2.95.2. 950 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field 951 - Included unit tests field01, field02, field03.
1884 952
1885 Nov 9th, 2001 J. Apostolakis - field-V03-02- 953 Nov 9th, 2001 J. Apostolakis - field-V03-02-03
1886 ----------------------------- 954 -----------------------------
1887 Motivated by the use case of an Electric Fiel 955 Motivated by the use case of an Electric Field,
1888 - in order to achieve reasonable accuracy in 956 - in order to achieve reasonable accuracy in time integration,
1889 - and to enable fields that vary with the gl 957 - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol 958 we (John Ap. and V. Grichine) changed the following:
1891 959
1892 - Modified G4Field to allow the time in the G << 960 - Modified G4Field to allow the time in the GetFieldValue method
1893 - as 4th component of the "position" arr 961 - as 4th component of the "position" array.
1894 962
1895 - Modified EquationOfMotion to provide the ti 963 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896 of G4Field 964 of G4Field
1897 * as the 4th component of a position / 965 * as the 4th component of a position / time 4-array
1898 * in place of only position as a 3-arry 966 * in place of only position as a 3-arry
1899 967
1900 - Added the global time as variable to be int << 968 - Added the global time as variable to be integrated over in the
1901 case of an Electric Field 969 case of an Electric Field
1902 970
1903 Support for these modifications is required i 971 Support for these modifications is required in G4Transportation.
1904 972
1905 (Better support will require either 973 (Better support will require either
1906 - a modification in G4FieldTrack to indicate 974 - a modification in G4FieldTrack to indicate whether the time has been
1907 integrated or not. << 975 integrated or not.
1908 - or additionally making the time calculatio 976 - or additionally making the time calculation a property of G4FieldTrack,
1909 bring in code to do it in from G4Transpor 977 bring in code to do it in from G4Transportation.)
1910 978
1911 979
1912 Nov 8th, 2001 J. Apostolakis - field-V03-02 980 Nov 8th, 2001 J. Apostolakis - field-V03-02-02
1913 ------------------------ 981 ------------------------
1914 - Introduced several changes in G4MagIntegrat 982 - Introduced several changes in G4MagIntegratorDriver.
1915 983
1916 It now respects its minimum driver step si 984 It now respects its minimum driver step size in AccurateAdvance.
1917 * whereas before it did not. 985 * whereas before it did not.
1918 986
1919 Modified maximum number of steps, lowering 987 Modified maximum number of steps, lowering by factor of 10.
1920 -> it should reduce the time spent integ 988 -> it should reduce the time spent integrating low energy particles,
1921 in some cases where it is unneccessary. 989 in some cases where it is unneccessary.
1922 990
1923 Protected printing of (nearly?) all warnin 991 Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
1924 992
1925 993
1926 Nov 05th, 2001 G. Cosmo - field-V03-02-01 994 Nov 05th, 2001 G. Cosmo - field-V03-02-01
1927 ------------------------ 995 ------------------------
1928 - Fixed trivial warnings on Linux-g++. 996 - Fixed trivial warnings on Linux-g++.
1929 997
1930 Aug 27th, 2001 J. Apostolakis - field-V03-02 998 Aug 27th, 2001 J. Apostolakis - field-V03-02-00
1931 ------------------------------ 999 ------------------------------
1932 Tagged last change. 1000 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 ( 1001 This tag is utilised in transport-V03-02-01 (which requires it).
1934 1002
1935 Aug 16th, 2001 J. Apostolakis 1003 Aug 16th, 2001 J. Apostolakis
1936 ------------------------------ 1004 ------------------------------
1937 G4ChordFinder: 1005 G4ChordFinder:
1938 Added method to erase/reset the state of the 1006 Added method to erase/reset the state of the StepEstimate.
1939 This is unwanted internal state that was car 1007 This is unwanted internal state that was carried between tracks and
1940 events as a side effect. 1008 events as a side effect.
1941 1009
1942 Calling this at the start of each track, it 1010 Calling this at the start of each track, it is now possible to
1943 eliminate a non-repeatability that was possi 1011 eliminate a non-repeatability that was possible due to this.
1944 ( It has been observed in particular in v 1012 ( It has been observed in particular in vaccuum. )
1945 1013
1946 May 23rd, 2001 J. Apostolakis - field-V03-01 1014 May 23rd, 2001 J. Apostolakis - field-V03-01-02
1947 ------------------------------ 1015 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo 1016 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949 1017
1950 May 23rd, 2001 J. Apostolakis - field-V03-01 1018 May 23rd, 2001 J. Apostolakis - field-V03-01-01
1951 ------------------------------ 1019 ------------------------------
1952 - Fixed G4FieldManager constructors to give d 1020 - Fixed G4FieldManager constructors to give default values to delta
1953 parameters. 1021 parameters.
1954 1022
1955 - Updated testPropagateSpin (it now compiles) << 1023 - Updated testPropagateSpin (it now compiles),
1956 and some outputs of testPropagateMagField 1024 and some outputs of testPropagateMagField (1 to 5)
1957 1025
1958 1026
1959 Apr 12th, 2001 P. Gumplinger - field-V03-01- 1027 Apr 12th, 2001 P. Gumplinger - field-V03-01-00
1960 ----------------------------- 1028 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq 1029 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962 to spin tracking. 1030 to spin tracking.
1963 1031
1964 Apr 04th, 2001 G. Cosmo - field-V03-00-05 1032 Apr 04th, 2001 G. Cosmo - field-V03-00-05
1965 ------------------------ 1033 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o 1034 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967 1035
1968 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1036 Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
1969 ------------------------------ 1037 ------------------------------
1970 - Electric Field unit test now works: test ru 1038 - Electric Field unit test now works: test runs until completion.
1971 Test outputs saved (on Linux). 1039 Test outputs saved (on Linux).
1972 1040
1973 - Fixed src/G4UniformElectricField.cc to set 1041 - Fixed src/G4UniformElectricField.cc to set correct field components
1974 (compat 1042 (compatible with Equation of Motion
1975 G4EqMa 1043 G4EqMagElectricField )
1976 1044
1977 - Tidied G4FieldTrack 1045 - Tidied G4FieldTrack
1978 * deleted obsolete methods Set/Get Momentu 1046 * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979 * in constructor to set the value of the s << 1047 * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
1980 if pSpin is null. (It was undefine 1048 if pSpin is null. (It was undefined.)
1981 1049
1982 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1050 Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
1983 ------------------------------ 1051 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil << 1052 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
1985 1053
1986 - Modified G4MagIntegratorStepper << 1054 - Modified G4MagIntegratorStepper
1987 to use pointer to G4EquationOfMotion 1055 to use pointer to G4EquationOfMotion
1988 instead of G4Mag_EqRhs 1056 instead of G4Mag_EqRhs
1989 1057
1990 - Design iteration appears neccessary 1058 - Design iteration appears neccessary
1991 1059
1992 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1060 Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
1993 ------------------------------ 1061 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for 1062 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995 the possibility of (correct) use of all H << 1063 the possibility of (correct) use of all Helical Steppers.
1996 1064
1997 - test/testProElectroMagField.cc updated for 1065 - test/testProElectroMagField.cc updated for momentum.
1998 (Not yet updated: Spin tests) 1066 (Not yet updated: Spin tests)
1999 1067
2000 1068
2001 Mar 19th, 2001 J. Apostolakis - field-V03-00 1069 Mar 19th, 2001 J. Apostolakis - field-V03-00-01
2002 ------------------------------ 1070 ------------------------------
2003 - Tagging the modification of several classes 1071 - Tagging the modification of several classes to integrate in momentum*c_light
2004 instead of velocity. << 1072 instead of velocity.
2005 Reason for change: Velocity integration ca 1073 Reason for change: Velocity integration can result in superluminar
2006 velocities, due to arithmetic inaccuraci 1074 velocities, due to arithmetic inaccuracies.
2007 Classes modified: << 1075 Classes modified:
2008 G4FieldTrack, (Changed components 3,4,5 1076 G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
2009 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle 1077 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010 1078
2011 Feb 20th, 2001 J. Apostolakis << 1079 Feb 20th, 2001 J. Apostolakis
2012 1080
2013 - Modified several classes to integrate in mo 1081 - Modified several classes to integrate in momentum instead of velocity.
2014 1082
2015 G4FieldTrack: 1083 G4FieldTrack:
2016 Changed components 3,4,5 of SixVector to 1084 Changed components 3,4,5 of SixVector to Momentum,
2017 Modified constructor 1085 Modified constructor
2018 Added energy calculation to "LoadFromArr 1086 Added energy calculation to "LoadFromArray" method
2019 GetEnergy method is now implemented. << 1087 GetEnergy method is now implemented.
2020 Deleted obsolete (old) method names for 1088 Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021 1089
2022 G4ChordFinder 1090 G4ChordFinder
2023 Renamed old-method names of Field Track << 1091 Renamed old-method names of Field Track to new ones.
2024 1092
2025 Jan 29th, 2001 G. Cosmo - field-V03-00-00 1093 Jan 29th, 2001 G. Cosmo - field-V03-00-00
2026 ------------------------- 1094 -------------------------
2027 1095
2028 - Minor fix to G4MagneticField.hh: added expl 1096 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029 copy constructor. Fixes report #205. 1097 copy constructor. Fixes report #205.
2030 1098
2031 Nov 20th, 2000 G. Cosmo - field-V02-00-02 1099 Nov 20th, 2000 G. Cosmo - field-V02-00-02
2032 1100
2033 - Fixes to remove warnings from "-Wall -ansi 1101 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034 o commented out variables declared and not 1102 o commented out variables declared and not used.
2035 o fixed declaration of variables used befor 1103 o fixed declaration of variables used before being initialised.
2036 o fixed order of initialisation of member d 1104 o fixed order of initialisation of member data in constructors.
2037 o fixed usage of unsigned-int (size_t) for 1105 o fixed usage of unsigned-int (size_t) for array indeces.
2038 1106
2039 Nov 9th, 2000 G. Cosmo - field-V02-00-01 1107 Nov 9th, 2000 G. Cosmo - field-V02-00-01
2040 1108
2041 - G4FieldManager: added check on existence of 1109 - G4FieldManager: added check on existence of allocated fChordFinder
2042 in CreateChordFinder(G4MagneticField*) meth 1110 in CreateChordFinder(G4MagneticField*) method.
2043 1111
2044 Nov 1st, 2000 G. Cosmo - field-V02-00-00 1112 Nov 1st, 2000 G. Cosmo - field-V02-00-00
2045 1113
2046 - QA code revision and cleanup (+fixes from C 1114 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047 o Added (private) declarations of copy cons 1115 o Added (private) declarations of copy constructor and assignment operator
2048 where needed. 1116 where needed.
2049 o Added "const" qualifier to accessor metho 1117 o Added "const" qualifier to accessor methods, wherever needed.
2050 o Added equality check on operator= where n 1118 o Added equality check on operator= where needed.
2051 o Made destructor "virtual" for classes hav 1119 o Made destructor "virtual" for classes having virtual methods,
2052 wherever missing. 1120 wherever missing.
2053 o Changed virtual functions to non-inline w 1121 o Changed virtual functions to non-inline wherever's the case.
2054 o Changed return value to be "const" pointe 1122 o Changed return value to be "const" pointer to functions:
2055 - G4EquationOfMotion::GetFieldObj() 1123 - G4EquationOfMotion::GetFieldObj()
2056 - G4FieldManager::GetDetectorField() 1124 - G4FieldManager::GetDetectorField()
2057 - G4MagIntegratorDriver::GetStepper() 1125 - G4MagIntegratorDriver::GetStepper()
2058 o Fixed and corrected signature to G4MagInt 1126 o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059 o Added "inline" qualifier to methods' decl 1127 o Added "inline" qualifier to methods' declarations.
2060 o General cosmetics 1128 o General cosmetics
2061 1129
2062 Jun 2nd, 2000 J. Apostolakis 1130 Jun 2nd, 2000 J. Apostolakis
2063 - G4FieldManager[.hh.icc] 1131 - G4FieldManager[.hh.icc]
2064 o Added DeltaIntersection and DeltaOneStep 1132 o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065 Get/Set methods and SetAccuraciesWithDelt 1133 Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066 1134
2067 May 31st, 2000 J. Apostolakis - field-V01-01 1135 May 31st, 2000 J. Apostolakis - field-V01-01-03
2068 1136
2069 include/G4FieldManager.hh,icc 1137 include/G4FieldManager.hh,icc
2070 o Moved Delta Intersection and Delta One St 1138 o Moved Delta Intersection and Delta One Step to FieldManager
2071 (from Propagator in Field), to allow th 1139 (from Propagator in Field), to allow them to differ over the detector.
2072 1140
2073 May 11th, 2000 J. Apostolakis - field-V01-01 1141 May 11th, 2000 J. Apostolakis - field-V01-01-02
2074 1142
2075 - G4ChordFinder[.hh.cc] 1143 - G4ChordFinder[.hh.cc]
2076 o Modified method for finding new trial ste 1144 o Modified method for finding new trial step.
2077 New method assumes a quadratic relationsh 1145 New method assumes a quadratic relationship between step-length and d_chord:
2078 d_chord proportional to step-l 1146 d_chord proportional to step-lenght ^ 2
2079 o Added two small refinement in order to av 1147 o Added two small refinement in order to avoid unneccesary extra step due to
2080 small numerical inaccuracies in estimatio 1148 small numerical inaccuracies in estimation:
2081 FindNextChord 1149 FindNextChord
2082 to first step use (1-0.001) 1150 to first step use (1-0.001) * last-step-estimate
2083 New Step: 1151 New Step:
2084 to subsequent step use trial_st 1152 to subsequent step use trial_step = 0.98 * estimate
2085 1153
2086 May 10th, 2000 G. Cosmo 1154 May 10th, 2000 G. Cosmo
2087 1155
2088 - G4MagneticField.hh: minor fix to dummy impl 1156 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089 operator. 1157 operator.
2090 1158
2091 May 9th, 2000 J. Apostolakis - field-V01 1159 May 9th, 2000 J. Apostolakis - field-V01-01-01
2092 1160
2093 - G4MagErrorStepper: << 1161 - G4MagErrorStepper:
2094 Modified DistChord to check whether the c 1162 Modified DistChord to check whether the chord endpoint are the same point.
2095 1163
2096 - G4RKG3_Stepper: 1164 - G4RKG3_Stepper:
2097 Deleted error message from StepNoErr, as 1165 Deleted error message from StepNoErr, as it is used in Stepper.
2098 1166
2099 - G4MagIntegratorDriver: 1167 - G4MagIntegratorDriver:
2100 Changed the condition for the debug outpu 1168 Changed the condition for the debug output (~cosmetic)
2101 1169
2102 1170
2103 April 27th, 2000 G. Cosmo 1171 April 27th, 2000 G. Cosmo
2104 1172
2105 - Reorganised comments for the Software Refer 1173 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe 1174 - Moved inlined definition to .icc files, where needed.
2107 Created: G4ChordFinder.icc and G4FieldManag 1175 Created: G4ChordFinder.icc and G4FieldManager.icc.
2108 1176
2109 April 13th, 2000 J. Apostolakis - field-V01 1177 April 13th, 2000 J. Apostolakis - field-V01-01-00
2110 1178
2111 - Modified signature to function DumbStepper( 1179 - Modified signature to function DumbStepper() in classes:
2112 G4HelixExplicitEuler, G4HelixHeum, G4HelixI 1180 G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113 G4HelixSimpleRunge and G4MagHelicalStepper. 1181 G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu 1182 - Modified signature and implementation of function MagFieldEvaluate()
2115 in G4MagHelicalStepper, to use Field (as Th 1183 in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it 1184 - Made Richardson extrapolation optional (it is unclear if
2117 it offers benefit) in G4MagHelicalStepper. 1185 it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and 1186 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b 1187 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120 (V.Grichine). 1188 (V.Grichine).
2121 1189
2122 January 19th, 2000 G. Cosmo - field-V01-00 1190 January 19th, 2000 G. Cosmo - field-V01-00-00
2123 1191
2124 Syncronized versioning of files with HEAD aft 1192 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes). 1193 (essentially CVS header changes).
2126 1194
2127 December 7th, 1999 J. Apostolakis - field- 1195 December 7th, 1999 J. Apostolakis - field-V00-01-01a
2128 1196
2129 For negative or very small curve lengths (h) 1197 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe 1198 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless. 1199 as it is meaningless.
2132 1200
2133 November 23rd, 1999 J. Apostolakis - field- 1201 November 23rd, 1999 J. Apostolakis - field-V00-01-01
2134 1202
2135 Tagged this sub-category's state in geometry- 1203 Tagged this sub-category's state in geometry-V00-01-01
2136 1204
2137 1205
2138 July 6th, 1999 J. Apostolakis - field- 1206 July 6th, 1999 J. Apostolakis - field-01-00-07
2139 1207
2140 These fixes and those in field-01-00-06 and f 1208 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 1209 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig << 1210 interaction with paths that are rather straight.
2143 1211
2144 G4MagIntegrationDriver: << 1212 G4MagIntegrationDriver:
2145 i) AccurateAdvance now that the chord distan 1213 i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon). 1214 gth (times 1+epsilon).
2147 1215
2148 ii) OneGoodStep and QuickAdvance considers th 1216 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b 1217 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given. 1218 the "eps" maximum given.
2151 1219
2152 G4ChordFinder: 1220 G4ChordFinder:
2153 Having found that the curve_length vs ABdis 1221 Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration: 1222 the imprecision of the integration:
2155 i) Modified the exception in this case to h 1223 i) Modified the exception in this case to happen only for very large
2156 relative disrepancies ( 10 * eps ). 1224 relative disrepancies ( 10 * eps ).
2157 ii) Undertaken a default corrective action i 1225 ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve 1226 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu 1227 ie step lengths much smaller than the curvature of the track.
2160 1228
2161 July 1st, 1999 J. Apostolakis - field- 1229 July 1st, 1999 J. Apostolakis - field-01-00-06a
2162 1230
2163 In order to cope with the anomalous condition 1231 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField, we ensure that the f 1232 in G4PropagatorInField, we ensure that the fraction_AE is always between
2165 0 and 1.0. (giving it a default value of 0.5 1233 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV ) 1234 ( in G4ChordFinder::ApproxCurvePointV )
2167 1235
2168 June 29th, 1999 J. Apostolakis - field- 1236 June 29th, 1999 J. Apostolakis - field-01-00-06
2169 1237
2170 I re-instated a check on whether the input 1238 I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t 1239 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV ) 1240 ( in G4ChordFinder::ApproxCurvePointV )
2173 1241
2174 The condition that prints out a warning messa 1242 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi << 1243 take into account the case of a very small final interval.
2176 ( in G4MagInt_Driver::AccurateAdvance ) 1244 ( in G4MagInt_Driver::AccurateAdvance )
2177 1245
2178 June ??th, 1999 J. Apostolakis - field- 1246 June ??th, 1999 J. Apostolakis - field-01-00-05
2179 1247
2180 The condition that prints out a warning messa << 1248 The condition that prints out a warning message was changed to delete
2181 an incorrect comparison. << 1249 an incorrect comparison.
2182 ( in G4MagInt_Driver::AccurateAdvance ) 1250 ( in G4MagInt_Driver::AccurateAdvance )
2183 1251
2184 April 19th, 1999 J. Apostolakis - field- 1252 April 19th, 1999 J. Apostolakis - field-01-00-04
2185 1253
2186 G4MagErrorStepper: Cosmetic changes to name o 1254 G4MagErrorStepper: Cosmetic changes to name of data members
2187 1255
2188 March 4th, 1999 J. Apostolakis - field- 1256 March 4th, 1999 J. Apostolakis - field-01-00-03
2189 1257
2190 Corrected delete statement of arrays to use ' 1258 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45 1259 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192 1260
2193 February 17th, 1999 J. Apostolakis - field 1261 February 17th, 1999 J. Apostolakis - field-01-00-02
2194 1262
2195 Moved G4PropagatorInField files to geometry/ << 1263 Moved G4PropagatorInField files to geometry/volumes.
2196 Updated GNUmakefile not to depend on geometr 1264 Updated GNUmakefile not to depend on geometry/volumes anymore.
2197 -> the known circular dependency is remove 1265 -> the known circular dependency is removed
2198 1266
2199 1267
2200 February 12th, 1999 J. Apostolakis - field 1268 February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
2201 1269
2202 A tag that contains the first version that 1270 A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory). G4PropagateInSpin is still in t 1271 directory). G4PropagateInSpin is still in this version. A small change
2204 in a branch of the header file was needed. << 1272 in a branch of the header file was needed.
2205 1273
2206 1274
2207 February 10th, 1999 J. Apostolakis << 1275 February 10th, 1999 J. Apostolakis
2208 1276
2209 All the following changes are needed for ener 1277 All the following changes are needed for energy integration also:
2210 1278
2211 G4ChordFinder now passes to the constructed d 1279 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a 1280 Because of the need for the stepper to know about it in its Abstract interface
2213 1281
2214 -> Moved theNumberOfVariables from derived c 1282 -> Moved theNumberOfVariables from derived class G4MagErrorStepper
2215 to base class 1283 to base class G4MagIntegratorStepper
2216 1284
2217 As a consequense the classes that derived fro 1285 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt << 1286 were changed: G4CashKarpRKF45, G4MagHelicalStepper,
2219 1287
2220 1288
2221 February 9th, 1999 J. Apostolakis 1289 February 9th, 1999 J. Apostolakis
2222 1290
2223 Equation of Motion: 1291 Equation of Motion:
2224 G4MagEqRhs.hh Made SetChargeMomentumMass vir 1292 G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225 can initialise its constants << 1293 can initialise its constants too.
2226 1294
2227 1295
2228 February 9th, 1999 P. Gumplinger 1296 February 9th, 1999 P. Gumplinger
2229 1297
2230 Added Equation of Motion for Spin in Magnetic 1298 Added Equation of Motion for Spin in Magnetic Field.
2231 1299
2232 1300
2233 February 17th, 1999 J. Apostolakis - fiel 1301 February 17th, 1999 J. Apostolakis - field-01-00-01
2234 ---> date is correct, made sure that tag d 1302 ---> date is correct, made sure that tag does not include above fixes!
2235 << 1303
2236 Moved G4PropagatorInField files to geometry/ << 1304 Moved G4PropagatorInField files to geometry/volumes.
2237 Updated GNUmakefile not to depend on geometr 1305 Updated GNUmakefile not to depend on geometry/volumes anymore.
2238 -> the known circular dependency is remove 1306 -> the known circular dependency is removed
2239 1307
2240 1308
2241 --------------------------------------------- 1309 ---------------------------------------------------------------------------
2242 ------ Geant 4 Production Release - 1310 ------ Geant 4 Production Release ------------
2243 --------------------------------------------- 1311 --------------------------------------------------------------------------
2244 Nov 19th, 1998 J. Apostolakis - field-0 1312 Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
2245 1313
2246 G4PropagatorInField files modified: 1314 G4PropagatorInField files modified:
2247 1315
2248 - to store the last safety computed and it 1316 - to store the last safety computed and its origin.
2249 - to give them to a requester 1317 - to give them to a requester
2250 --------------------------------------------- 1318 ------------------------------------------------------------------
2251 1319
2252 Nov 19th, 1998 J. Apostolakis - field-0 1320 Nov 19th, 1998 J. Apostolakis - field-00-03-03b
2253 1321
2254 Subtle fix to interface of G4UniformMagField << 1322 Subtle fix to interface of G4UniformMagField::GetFieldValue
2255 ( that tripped Visual C++ ) 1323 ( that tripped Visual C++ )
2256 1324
2257 G4PropagatorInField: added printing method 1325 G4PropagatorInField: added printing method for verboseness.
2258 1326
2259 Nov 19th, 1998 J. Apostolakis - field-0 1327 Nov 19th, 1998 J. Apostolakis - field-00-03-03a
2260 1328
2261 Steppers: Fixed instance variables constr 1329 Steppers: Fixed instance variables construction (SimpleRunge)
2262 and clash of names in CashKarp: 1330 and clash of names in CashKarp::StepWithEstimate
2263 1331
2264 Added post-const to all Field classes for 1332 Added post-const to all Field classes for
2265 void GetFieldValue(const G4double 1333 void GetFieldValue(const G4double yTrack[] ,
2266 G4double B[] 1334 G4double B[] ) const ;
2267 1335
2268 Added SetFieldValue methods to UniformMagF 1336 Added SetFieldValue methods to UniformMagField
2269 1337
2270 Added GetConstantFieldValue() methods to U 1338 Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271 1339
2272 1340
2273 Nov 19th, 1998 J. Apostolakis - field-0 1341 Nov 19th, 1998 J. Apostolakis - field-00-03-03
2274 1342
2275 Fixes to Propagate and Steppers 1343 Fixes to Propagate and Steppers
2276 1344
2277 Nov 19th, 1998 J. Apostolakis - field-0 1345 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2278 1346
2279 Minor corrections (???) 1347 Minor corrections (???)
2280 1348
2281 Nov 19th, 1998 J. Apostolakis - field-0 1349 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2282 << 1350
2283 Major development to allow Electric Field 1351 Major development to allow Electric Field
2284 << 1352
2285 1353
2286 1354
2287 June 17th, 1998 J. Apostolakis - magfiel 1355 June 17th, 1998 J. Apostolakis - magfield-06-03
2288 1356
2289 Modified Files: 1357 Modified Files:
2290 include/G4PropagatorInField.hh 1358 include/G4PropagatorInField.hh
2291 src/G4PropagatorInField.cc 1359 src/G4PropagatorInField.cc
2292 test/testPropagateInField.cc 1360 test/testPropagateInField.cc
2293 --------------------------------------------- 1361 ----------------------------------------------------------------------
2294 1362
2295 1) Added an assertion after each call to Lo << 1363 1) Added an assertion after each call to LocateGlobalPointAndSetup.
2296 It checks that the located volume is equ 1364 It checks that the located volume is equal to the current volume.
2297 If this check fails, the Propagator does 1365 If this check fails, the Propagator does not know how to continue.
2298 1366
2299 2) Added an argument to ComputeStep method 1367 2) Added an argument to ComputeStep method of G4PropagatorInField.
2300 The new volume argument is used to check th 1368 The new volume argument is used to check the current volume during the step.
2301 1369
2302 3) When G4Navigator's ComputeStep returned 1370 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
2303 used to be treated as a failure to intersect. 1371 used to be treated as a failure to intersect. This is incorrect.
2304 1372
2305 stepLength==stepRequested is an intersect 1373 stepLength==stepRequested is an intersection,
2306 so I am now treating it as such in each 1374 so I am now treating it as such in each comparison (of 3).
2307 Ignoring it causes problems, including 1375 Ignoring it causes problems, including volume being skipped.
2308 --> but treating it as an intersection 1376 --> but treating it as an intersection used to cause problems too ??
2309 1377
2310 1378
2311 May 7th, 1998 J. Apostolakis - magfie 1379 May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
2312 1380
2313 - Tag includes new version of G4ChordFinder ( 1381 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314 1382
2315 1383
2316 May 7th, 1998 W. Wander (recorded/c 1384 May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
2317 1385
2318 - New "helical" RK steppers that move in heli 1386 - New "helical" RK steppers that move in helical segments, not linear.
2319 * Several changes to add steppers << 1387 * Several changes to add steppers
2320 1388
2321 Modified Files: 1389 Modified Files:
2322 G4MagErrorStepper.hh << 1390 G4MagErrorStepper.hh
2323 G4MagErrorStepper.cc << 1391 G4MagErrorStepper.cc
2324 added Helical stepping methods to 1392 added Helical stepping methods to this general ABC.
2325 << 1393
2326 G4MagIntegratorStepper.hh 1394 G4MagIntegratorStepper.hh
2327 made RightHandSide virtual (this 1395 made RightHandSide virtual (this will be reversed very soon)
2328 1396
2329 testPropagateMagField.cc 1397 testPropagateMagField.cc
2330 Test of Helical stepping functiona 1398 Test of Helical stepping functionality added.
2331 << 1399
2332 Added Files for new Helical RK steppers, der 1400 Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333 G4HelixExplicitEuler.cc ( and .hh ) 1401 G4HelixExplicitEuler.cc ( and .hh )
2334 G4HelixHeum.cc 1402 G4HelixHeum.cc
2335 G4HelixImplicitEuler.cc 1403 G4HelixImplicitEuler.cc
2336 G4HelixSimpleRunge.cc << 1404 G4HelixSimpleRunge.cc
2337 1405
2338 Added File for implementation: 1406 Added File for implementation:
2339 G4MagErrorStepper.icc 1407 G4MagErrorStepper.icc
2340 1408
2341 1409
2342 May 7th, 1998 J. Apostolakis - magfi 1410 May 7th, 1998 J. Apostolakis - magfield-06-01
2343 1411
2344 - added small changes to << 1412 - added small changes to
2345 * G4ChordFinder: methods to get 1413 * G4ChordFinder: methods to get/set IntegratorDriver
2346 * G4MagIntegratorDriver: made OneGoodSt 1414 * G4MagIntegratorDriver: made OneGoodStep method public
2347 - created the file. 1415 - created the file.
>> 1416