| Geant4 Cross Reference |
1 # Category field History << 1 $Id: History,v 1.136.2.1 2009/08/11 13:44:36 gcosmo Exp $
>> 2 -------------------------------------------------------------------
2 3
3 See `CONTRIBUTING.rst` for details of **requir << 4 =========================================================
4 which **must** added in reverse chronological << 5 Geant4 - an Object-Oriented Toolkit for Simulation in HEP
5 It must **not** be used as a substitute for wr << 6 =========================================================
6 << 7
7 ---------------------------------------------- << 8 Category History file
8 << 9 ---------------------
9 ## 2024-11-26 Ivana Hrivnacova (field-V11-02-0 << 10 This file should be used by G4 developers and category coordinators
10 - Better names for the G4EquationType enum con << 11 to briefly summarize all major modifications introduced in the code
11 << 12 and keep track of all category-tags.
12 ## 2024-11-04 Philippe Canal (field-V11-02-05) << 13 It DOES NOT substitute the CVS log-message one should put at every
13 - Improve stability of static initialization f << 14 committal in the CVS repository !
14 StepperDescription() in G4DormandPrince745. << 15
15 << 16 ----------------------------------------------------------
16 ## 2024-09-10 Ivana Hrivnacova (field-V11-02-0 << 17 * Reverse chronological order (last date on top), please *
17 - Coverity fixes: << 18 ----------------------------------------------------------
18 - Use std::move, const auto& instead of auto <<
19 <<
20 ## 2024-06-20 Ivana Hrivnacova (field-V11-02-0 <<
21 - Fix in G4FieldBuilder for local fields: <<
22 apply the local fields in the order of user <<
23 <<
24 ## 2024-04-29 Ivana Hrivnacova (field-V11-02-0 <<
25 - Added classes for automatic field constructi <<
26 - G4FieldBuilder[Messenger], G4FieldParamete <<
27 - No changes in other Geant4 classes <<
28 <<
29 ## 2024-04-17 Ben Morgan (field-V11-02-01) <<
30 - Fix maybe-uninitialized warnings found in AT <<
31 - Reported in internal ATLASSIM-6058 ticket. <<
32 <<
33 ## 2024-04-02 Gabriele Cosmo (field-V11-02-00) <<
34 - Applied trivial clang-tidy fixes to classes, <<
35 constructor/destructor, auto and using state <<
36 - Minor cleanup in QSS classes. <<
37 <<
38 ## 2023-11-03 Gabriele Cosmo (field-V11-01-06) <<
39 - Reinstated default DormandPrince745 stepper. <<
40 <<
41 ## 2023-10-27 Lucio Santi (field-V11-01-05) <<
42 - Improvements on the QSS Stepper <<
43 The main QSS integration loop is interrupted <<
44 exceeds a predefined threshold (set to 1000 <<
45 <<
46 ## 2023-06-14 Gabriele Cosmo (field-V11-01-04) <<
47 - Applied clang-tidy fixes (readability, moder <<
48 <<
49 ## 2023-06-12 John Apostolakis (field-V11-01-0 <<
50 - Inclusion of QSS integration method. <<
51 Most recent changes: <<
52 * Fixes for issue with SetPrecision (used un <<
53 * Updated values of parameters in G4Propagat <<
54 * Withdrew interim changes that made QSS the <<
55 <<
56 ## 2023-05-26 Lucio Santi <<
57 - Fixes for open issues: <<
58 * default values for QSS made stricter dQRel <<
59 to improve behaviour in full experiment te <<
60 * implemented missing DistChord method -- ne <<
61 <<
62 ## 2023-01-31 John Apostolakis <<
63 - Initial inclusion of QSS integration method. <<
64 Renamed classes to include 'G4' prefix, and <<
65 Added Geant4 disclaimer / license to files. <<
66 Removed QSSmessenger from RunManager and G4P <<
67 - Temporarily made QSS the default method for <<
68 <<
69 ## 2023-01-30 Rodrigo Castro, Lucio Santi & Le <<
70 - Included Quantum State Simulation (QSS) inte <<
71 Alternative method of integration which crea <<
72 functions for each coordinate (x,p) - changi <<
73 polynomials when the deviation from exact so <<
74 a threshold value. <<
75 Offers built-in interpolation capability - e <<
76 of the intersection of the trajectory with s <<
77 Currently restricted to using only with a pu <<
78 Created by Rodrigo Castro and Lucio Santi, w <<
79 by Leandro A. Gómez Vidal (and others?) <<
80 <<
81 ## 2023-03-16 Ben Morgan (field-V11-01-02) <<
82 - Fixed compilation warnings on clang-15 for m <<
83 in input parameters for steppers. <<
84 <<
85 ## 2023-01-09 Ben Morgan (field-V11-01-01) <<
86 - Use PROJECT_ scoped _SOURCE/BINARY_DIR varia <<
87 scope version to ease use of Geant4 as a CMa <<
88 - Fixes [GitHub PR #52](https://github.com/G <<
89 <<
90 ## 2022-12-09 Laurie Nevay (field- <<
91 - Reduced printout for setting any valid value <<
92 G4FieldManager. <<
93 <<
94 ## 2022-11-28 Gabriele Cosmo (field- <<
95 - Fixed restore of stream precision in G4Field <<
96 <<
97 ## 2022-11-14 John Apostolakis (field- <<
98 - Revised G4FieldManager to ensure that epsilo <<
99 are less than a 'maximum accepted' accuracy <<
100 behaviour of the integration. Improved their <<
101 - warnings if min > max, with corrective be <<
102 - a fatal exception in case of values outsi <<
103 <<
104 To cope with needs of legacy applications or <<
105 the value of the 'ceiling' maximum accepted <<
106 the new static method <<
107 G4FieldManager::SetMaxAcceptedEpsilon( <<
108 but must remain under or equal to a final ce <<
109 fMaxFinalEpsilon=0.03 <<
110 <<
111 ## 2022-11-10 Gabriele Cosmo (field-V11-00-03) <<
112 - Fixed compilation warnings for implicit type <<
113 <<
114 ## 2022-11-05 Divyansh Tiwari, John Apostolaki <<
115 <<
116 - Introduced G4BorisScheme and G4BorisDriver, <<
117 integration method, created as part of GSoC <<
118 <<
119 ## 2022-10-05 Gabriele Cosmo (field-V11-00-01) <<
120 - Fixed compilation warnings on Intel/icx comp <<
121 but not used. <<
122 <<
123 ## 2021-12-10 Ben Morgan (field-V11-00-00) <<
124 - Change to new Markdown History format <<
125 <<
126 --- <<
127 <<
128 # History entries prior to 11.0 <<
129 <<
130 March 30, 2021 B.Morgan <<
131 ----------------------- <<
132 - Migrate sources.cmake to modular build API <<
133 <<
134 November 26, 2020 J.Apostolakis <<
135 ------------------------------- <<
136 - Fix to enable G4TDormandPrince45 to be used <<
137 <<
138 This fix was needed because G4Interpolation <<
139 copies of the stepper class. Due to this it <<
140 with the type of the templated stepper. <<
141 <<
142 For a stepper to be used with 'G4Interpolati <<
143 implement the method <<
144 Equation_type GetSpecificEquation() <<
145 Templated steppers must ensure that the retu <<
146 is the specific equation type of the templat <<
147 <<
148 This method was added to G4DormandPrince745 <<
149 <<
150 October 12, 2020 J.Apostolakis <<
151 ------------------------------ <<
152 - Fixes & refinements - mostly in templated cl <<
153 Compilation fixes, e.g. missing include <cas <<
154 Refinements, e.g. int -> unsigned int in tem <<
155 <<
156 October 9, 2020 J.Apostolakis <<
157 ----------------------------- <<
158 - Configure G4ChordFinder to use templated G4T <<
159 default stepper for magnetic fields (when on <<
160 explicitly by the application.) <<
161 <<
162 October 9, 2020 J.Apostolakis & J. Xie <<
163 -------------------------------------- <<
164 - Adapted classes that avoid virtual calls for <<
165 created by Josh Xie (Google Summer of Code 2 <<
166 S. Wenzel & J.A. <<
167 <<
168 The revised design and implementations inclu <<
169 * equation of motion templated on the field <<
170 * steppers templated on the type of equatio <<
171 variables. <<
172 In addition the key methods are marked as 'i <<
173 they judge possible, to embed them and avoid <<
174 <<
175 These classes can be combined also with the <<
176 (G4IntegrationStepper, G4FSALIntegrationStep <<
177 to avoid virtual calls in all the levels up <<
178 the integration driver. ] <<
179 <<
180 The types of stepper currently available are <<
181 i) the originally developed intermediate ord <<
182 <<
183 - Name (templated) - original -- Order/ <<
184 / E <<
185 =========================================== <<
186 G4TClassicalRK4: G4ClassicalRK4 4th / <<
187 G4TCashKarpRKF45: G4CashKarpRKF45 5th / <<
188 <<
189 ii) the original low order steppers (for spe <<
190 G4TSimpleHeum: G4SimpleHeum 3rd / <<
191 G4TSimpleRunge: G4SimpleRunge 2nd / <<
192 G4TExplicitEuler: G4ExplicitEuler 1st / <<
193 <<
194 and <<
195 iii) some newly adapted stepper(s) / ( J.A. <<
196 G4TDormandPrince45 G4DormandPrince745 5th/ <<
197 =========================================== <<
198 <<
199 Note: Additional lower-order steppers are no <<
200 'Vector' steppers (using blaze) are no <<
201 <<
202 Experimental versions of fields with inline <<
203 G4TUniformMagField, G4TQuadrupoleMagFiel <<
204 are included to show how the field evaluatio <<
205 <<
206 Note 2: <<
207 Steppers which are not embedded obtain their <<
208 breaking the step into two halves, then comp <<
209 As a result many more field / derivative eva <<
210 embedded steppers of the same order, but the <<
211 estimation has different properties; so it m <<
212 <<
213 June 15, 2020 G.Cosmo <<
214 --------------------- <<
215 - Implemented move constructor and operator fo <<
216 <<
217 March 24, 2020 J.Apostolakis <<
218 ---------------------------- <<
219 - New class G4DriverReporter to print progress <<
220 Used for debugging differences between Old <<
221 - Revisions in testing CMake config file and s <<
222 for magnetic field. <<
223 <<
224 March 13, 2020 J.Apostolakis <<
225 ---------------------------- <<
226 - G4VIntegrationDriver & dependent driver clas <<
227 Added new virtual StreamInfo() method, <<
228 & used it to implement operator << for <<
229 Made (virtual) DoesReIntegrate() const. <<
230 - G4MagInt_Driver: Fixed max iterations & clar <<
231 ComputeNewStepSize does NOT (yet) respect <<
232 ( Done to enable comparisons with new G4Inte <<
233 - G4OldMagIntDriver maintains all old behaviou <<
234 <<
235 <<
236 January 22, 2020 G.Cosmo <<
237 ------------------------ <<
238 - Fixed compilation errors and configuration f <<
239 <<
240 January 13, 2020 G.Cosmo <<
241 ------------------------ <<
242 - Turn off verbosity flags by default in G4Int <<
243 G4InterpolationDriver and G4MagIntegratorDri <<
244 <<
245 December 10, 2019 B.Morgan <<
246 -------------------------- <<
247 - Cleanup CMake build, removing obsolete granu <<
248 explicit include_directories. <<
249 <<
250 November 14, 2019 J.Apostolakis <<
251 ------------------------------- <<
252 - Added method / attribute to G4VIntegrationDr <<
253 to inform whether the driver recomputes seg <<
254 AccurateAdvance is called. <<
255 <<
256 October 27, 2019 D.Sorokin <<
257 ---------------------------- <<
258 - Remove statistics printouts from destructor <<
259 <<
260 October 24, 2019 H.Burkhardt <<
261 ---------------------------- <<
262 - Standard sextupole magnet first implementati <<
263 <<
264 October 18, 2019 D. Sorokin <<
265 ----------------------------------------- <<
266 - Fix floating point exception in G4BFieldInte <<
267 <<
268 October 1, 2019 G. Cosmo <<
269 ----------------------------------------- <<
270 - Fixed unitialised data in G4EqMagElectricFie <<
271 reported by Coverity. <<
272 <<
273 September 12, 2019 G. Cosmo <<
274 ----------------------------------------- <<
275 - Minor C++11 revision. Code formatting and cl <<
276 <<
277 July 8, 2019 D. Sorokin <<
278 ----------------------------------------- <<
279 - G4BFieldIntegrationDriver: an attempt to sol <<
280 <<
281 July 3, 2019 D. Sorokin <<
282 ----------------------------------------- <<
283 - Make G4InterpolationDriver default for perfo <<
284 <<
285 June 25, 2019 D. Sorokin <<
286 ----------------------------------------- <<
287 - Fix Dormand-Prince 5th order interpolation m <<
288 <<
289 June 20, 2019 D. Sorokin <<
290 ----------------------------------------- <<
291 - New version of G4InterpolationDriver with mu <<
292 <<
293 June 12, 2019 D. Sorokin & J. Apostolakis <<
294 ----------------------------------------- <<
295 - Revert to use G4IntegrationDriver as default <<
296 ( c-tor for magnetic field. ). <<
297 Change to use concrete type of Stepper as te <<
298 <<
299 June 10, 2019 Dmitry Sorokin <<
300 ------------------------- <<
301 - Remove division in G4DormandPrince745::Inter <<
302 <<
303 June 7, 2019 Dmitry Sorokin <<
304 ------------------------- <<
305 - Switch to original chord finding algorithm i <<
306 - Reset step estimate in G4MagInt_Driver only <<
307 - Change G4VERBOSE to G4FIELD_DEBUG in G4Inter <<
308 <<
309 June 4, 2019 Dmitry Sorokin <<
310 ------------------------- <<
311 - Use FSAL property of G4DormandPrince745 in G <<
312 <<
313 June 3, 2019 Dmitry Sorokin <<
314 ------------------------- <<
315 - Fix memory churn in G4InterpolationDriver. <<
316 <<
317 May 20, 2019 Dmitry Sorokin <<
318 ------------------------- <<
319 - Make interpolation driver default for immedi <<
320 <<
321 April 8, 2019 H.Burkhardt <<
322 ------------------------- <<
323 - Correcting transformation to local system in <<
324 <<
325 March 20, 2019 G.Cosmo <<
326 ---------------------- <<
327 - Corrected 'RegularStepperName' in G4ChordFin <<
328 default stepper G4DormandPrince745 rather th <<
329 <<
330 November 9, 2018 J.Apostolakis <<
331 ------------------------------ <<
332 - Small fixes for warnings in compilation. <<
333 - Revisions of descriptions of recent tags (fo <<
334 <<
335 September 26, 2018 D.Sorokin <<
336 ---------------------------- <<
337 - Implemented G4InterpolationDriver. This driv <<
338 stepper with interpolation property to integ <<
339 The field evaluations used to calculate the <<
340 be reused to obtain one or multiple internal <<
341 So in steps in which an intersection is foun <<
342 evaluations are expected to be reduced subst <<
343 <<
344 September 13, 2018 D.Sorokin <<
345 ---------------------------- <<
346 - G4NystromRK4 creates G4CachedMagneticField i <<
347 - Removed G4MagIntegratorStepper::ComputeRight <<
348 (all calls now use non-virtual RightHandSide <<
349 - Reversed declaration of final for the class <<
350 Returned to previous status: only GetFieldVa <<
351 ( This avoid need to change examples/tests a <<
352 users' code. ) <<
353 <<
354 September 12, 2018 D.Sorokin <<
355 ---------------------------- <<
356 - Created new experimental driver G4BFieldInte <<
357 magnetic fields. In QuickAdvance it uses he <<
358 estimated 'helix' rotation angle is larger t <<
359 - G4NystromRK4 uses G4CachedMagneticField for <<
360 NOTE: It now the user's responsibility to cr <<
361 ( The alternative is to create G4CachedMagne <<
362 But this would have several disadvantages: <<
363 * It would change the field in the user's <<
364 * G4NystromRK4 is not able to check whethe <<
365 that changes the equation using SetEquat <<
366 <<
367 July 10, 2018 D. Sorokin - field- <<
368 ------------------------ Tags by J. Apostolaki <<
369 - Corrections in calculation of chord distance <<
370 ( use 4th order interpolation from Shampine <<
371 - Revised G4FieldUtils: moved copy() method fr <<
372 added 2 new setValue: simple & variadic meth <<
373 - Fixes to copy input time in ModifiedMidpoint <<
374 Bogacki-Shampine 4/5 and 2/3 (note: B-S 2/3 <<
375 Dormand Prince 4/5, 5/6 and 7/8, and Tsitou <<
376 - Trial revision in G4BulirschStoer to reduce <<
377 operations (J.A.) <<
378 - Fix for unitialised pIntStepper pointer in G <<
379 constructor. Revision of data member variab <<
380 <<
381 June 15, 2018 G.Cosmo - fiel <<
382 --------------------- <<
383 - Fixed minor Coverity defects in G4BurlischSt <<
384 Code cleanup. <<
385 <<
386 June 13, 2018 G.Cosmo - fiel <<
387 --------------------- <<
388 - Leave override final only for clone() method <<
389 not in destructor... <<
390 <<
391 June 12, 2018 G.Cosmo - fiel <<
392 --------------------- <<
393 - Use G4Exception warnings instead of streamin <<
394 - Added override final for virtual methods in <<
395 - Some code cleanup. <<
396 <<
397 Apr 30, 2018 J. Apostolakis - fiel <<
398 --------------------------- <<
399 - G4VIntegrationDriver and derived classes <<
400 <<
401 Added new virtual method in G4VIntegrationDr <<
402 void RenewStepperAndAdjust(G4MagIntegrat <<
403 which used to exist in G4MagInt_Driver. <<
404 ( Its absence caused a problem in some exist <<
405 <<
406 This method must be defined in those derived <<
407 a Runge Kutta stepper ( i.e. some or any typ <<
408 <<
409 - G4IntegrationDriver, G4FSALIntegrationDriver <<
410 Defined default implementation (which throws <<
411 implementations in the templated classes G4I <<
412 G4FSALIntegrationDriver which check the type <<
413 change the stepper if it is appropriate. <<
414 19
415 Feb 13, 2018 J. Apostolakis - fiel << 20 May 18th, 2009 T.Nikitina - field-V09-01-06
416 --------------------------- <<
417 - Change in G4FieldManager::CreateChordFinder <<
418 better with case that field argument is null <<
419 <<
420 Feb 13, 2018 D. Sorokin - fiel <<
421 ----------------------- - fiel <<
422 - Introduced Bulirsch-Stoer method of integrat <<
423 to Runge-Kutta based on the mid-point method <<
424 Separate driver derived G4VIntegrationDriver <<
425 using specialisation of G4IntegrationDriver <<
426 Note: this method does not have a RK 'Steppe <<
427 <<
428 Jan 31, 2018 J. Apostolakis <<
429 --------------------------- <<
430 - G4MagneticField no longer inherits from G4El <<
431 This was incorrect, and allowed a user to pr <<
432 field, but obtain the force only from the B- <<
433 the equation created in the G4ChordFinder co <<
434 => potential interface change. <<
435 <<
436 Result: It is no longer possible to use the <<
437 pure magnetic field for the case of a mix <<
438 This change is desired, and is a *protect <<
439 use led to incorrect results. <<
440 Instead the full chain of classes for equati <<
441 steppers and driver must be used for the <<
442 <<
443 Feb 9, 2017 G.Cosmo - fiel <<
444 ------------------- <<
445 - Removed static data from G4FSALIntegrationDr <<
446 G4MagIntegratorDriver and moved to base clas <<
447 Fix required for allowing proper symbol expo <<
448 <<
449 Nov 17, 2017 J. Apostolakis - fiel <<
450 --------------------------- <<
451 - G4ChordFinder: Reinstated old driver G4MagIn <<
452 with G4DormandPrince745 (5th order) in G4C <<
453 2nd constructor (with magnetic field.) <<
454 ( Reverses change made in field-V10-03-27 ) <<
455 <<
456 Nov 16, 2017 J. Apostolakis - fiel <<
457 --------------------------- <<
458 - Suppressed statistics printing in G4ChordFin <<
459 ( G4IntegrationDriver and G4FSALIntegration <<
460 protecting them by verbosity flags. <<
461 <<
462 - Minor fix to initialise scalar data member i <<
463 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3. <<
464 Fixes coverity issues 97886, 97888 and 97889 <<
465 <<
466 <<
467 Nov 14, 2017 J. Apostolakis - fiel <<
468 --------------------------- <<
469 - Suppressed extra verbosity in G4ChordFinder. <<
470 - Fix in G4FSALDormandPrince745 for unitialise <<
471 Initialise ak8[], ak9[] in constructor. This <<
472 memory allocation, without deletion - i.e. a <<
473 - Initialise fLastStepLength and/or fAuxSteppe <<
474 in constructors of G4DormandPrince745 and G4 <<
475 Coverity issues: 67394 (G4FSALDormandPrince7 <<
476 67391 (G4DormandPrince7 <<
477 <<
478 Nov 14, 2017 J. Apostolakis - fiel <<
479 --------------------------- - fiel <<
480 - G4ChordFinder: changes in default stepper & <<
481 in which only a magnetic field is provided ( <<
482 <<
483 * Reinstated G4DormandPrince745 (5th order) <<
484 (corrected -23, which missed to initialise <<
485 <<
486 * New templated driver G4IntegrationDriver i <<
487 the simple constuctors of G4ChordFinder an <<
488 which only require a (pure) magnetic field <<
489 <<
490 Additional information and details: <<
491 * New optional parameter to constructor of G <<
492 allow to create an FSAL stepper and corres <<
493 This aims to reuse some derivatives, thus <<
494 of derivatives and thus field evaluations. <<
495 <<
496 * The templated 'driver' classes, available <<
497 G4ChordFinder's 2nd constructor, are used <<
498 class: <<
499 - G4IntegrationDriver for non-FSAL <<
500 - G4FSALIntegrationDriver for FSAL-capab <<
501 These make non-virtual calls to the steppe <<
502 <<
503 - First fix in G4FSALDormandPrince745 for memo <<
504 delete[] fInitialDyDx in destructor. Coverit <<
505 <<
506 ---------------------------------------------- <<
507 Multiple tags (below) were to better test step <<
508 Date Tagger Tag name Stepper <<
509 ============================================== <<
510 Nov 3, D. Sorokin field-V10-03-25 G4FSALBo <<
511 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDo <<
512 Nov 2, J. Apostolakis field-V10-03-23 G4Dorman <<
513 Nov 2, J. Apostolakis field-V10-03-22 G4RK547F <<
514 ---------------------------------------------- <<
515 Glossary of drivers: <<
516 the FSAL driver = using G4FSALIntegrationDr <<
517 the new driver = using G4IntegrationDriver <<
518 ============================================== <<
519 <<
520 Nov 2, 2017 D. Sorokin - fiel <<
521 --------------------------------------- <<
522 - Added new steppers G4RK547FEq{1,2,3} which i <<
523 Runge-Kutta 4,5 pairs with: <<
524 - FSAL property (return derivative at end <<
525 - stable equilibrium states ( improved ha <<
526 integration: better stability in choo <<
527 Each one can be used with all existing Runge <<
528 - G4FSALIntegrationDriver, using its FSAL <<
529 - G4IntegrationDriver without its FSAL <<
530 - the original G4MagInt_Driver, also igno <<
531 <<
532 - Reinstated G4DormandPrince745 ( known widel <<
533 the default RK method in G4ChordFinder for p <<
534 ( Withdrew G4BogackiShampine45. ) J. Apos <<
535 <<
536 Nov 1, 2017 J. Apostolakis - fiel <<
537 --------------------------- <<
538 - Made G4BogackiShampine45 the default RK meth <<
539 for pure magnetic fields. <<
540 <<
541 Oct 30, 2017 D. Sorokin/J.Apostolakis - fiel <<
542 --------------------------------------- <<
543 - add GetStepper method to G4VIntegrationDrive <<
544 <<
545 Oct 20, 2017 D. Sorokin - fiel <<
546 --------------------------------------- <<
547 Introduced base class for any driver algorithm <<
548 New concrete classes added: <<
549 - G4IntegrationDriver: implementation of templ <<
550 for non-fsal explicit Runge-Kutta steppers <<
551 - G4FSALIntegrationDriver: implementation of d <<
552 FSAL explicit Runge-Kutta steppers. <<
553 Existing class G4MagInt_Drv remains, deriving <<
554 <<
555 - Expanded testing in testProElectroMagField ( <<
556 ( J. Apostolakis) <<
557 <<
558 Oct 13, 2017 D. Sorokin - fiel <<
559 --------------------------------------- <<
560 - add G4FieldUtils.hh, G4FieldUtils.icc, G4Fie <<
561 utilities to extract data from arrays in con <<
562 magneticfield integration. <<
563 <<
564 Oct 13, 2017 G. Cosmo - fiel <<
565 --------------------------------------- <<
566 - G4NystromRK4: use consistenly G4 types for d <<
567 <<
568 Aug 31, 2017 J. Apostolakis - fiel <<
569 --------------------------------------- <<
570 - Made G4DormandPrince457 the default Stepper <<
571 G4ChordFinder - when a driver/stepper is not <<
572 <<
573 Aug 31, 2017 J. Apostolakis - fiel <<
574 --------------------------------------- <<
575 - G4NystromRK4: used caching of momentum magni <<
576 to reduce overhead of fix in field-V10-03-10 <<
577 <<
578 Aug 25, 2017 J. Apostolakis - fiel <<
579 --------------------------------------- <<
580 - G4MagInt_Driver: added GetEquationOfMotion m <<
581 code with future develoment. <<
582 <<
583 Aug 24, 2017 D.Sorokin & J. Apostolakis - fiel <<
584 --------------------------------------- <<
585 - G4NystromRK4: correction in call to getField <<
586 ( Spotted by D. Sorokin ) <<
587 Also small cleanup of testing code into 2 sm <<
588 ( J. Apostolakis ) <<
589 <<
590 Aug 23, 2017 J.Apostolakis - fiel <<
591 -------------------------- <<
592 - G4NystromRK4 - Fix the caching of momentum, <<
593 Fixes issue reported by ALICE ( problem repo <<
594 Thanks to Ruben Shahoyan for identifying and <<
595 - Temporarly made G4NystromRK4 the default Ste <<
596 constructor (to ensure adequate testing). <<
597 <<
598 Jul 04, 2017 J.Apostolakis - field <<
599 -------------------------- <<
600 - G4DormandPrinceRK78: initialise fLastStepLen <<
601 members in constructor. Coverity issue: 6739 <<
602 Improved description and reference to origin <<
603 - G4MagIntegratorDriver: initialised fNoCalls <<
604 <<
605 Jul 03, 2017 J.Apostolakis - field <<
606 -------------------------- <<
607 - G4FSALBogackiShampline45: initialise 'bi[][] <<
608 in method PrepareConstants() called by const <<
609 ( Similar to G4BogackiShampine => seek con <<
610 Small fix: initialise fAuxStepper to nullptr <<
611 ( Part of Coverity issue 67394 ) <<
612 - G4DormandPrinceRK56: fix for significant mem <<
613 space in SetupInterpolate_low(), apparently <<
614 because it was initialised in each use, not <<
615 Improved initialisation of ak10, 11, 12 (mov <<
616 and fixed small memory leak (added deletion <<
617 - G4MagIntegratorStepper: initialise fNoRHSCal <<
618 ( fIntegrationOrder is not yet used widely - <<
619 Coverity issue 67392. <<
620 - G4VFSALIntegrationStepper: initialise counte <<
621 - G4BogackiShampine23: initialised fIsFSAL, fI <<
622 Suppressed obsolete virtual method isFSAL, <<
623 Deleted duplicate virtual method 'isFSAL()'. <<
624 now exists in base class G4MagIntegratorStep <<
625 Made copy constructor and equal operator pri <<
626 Added explanatory comments in source file; c <<
627 (it calculates derivative @ endpoint. ) <<
628 - Several steppers ( G4DoLoMcPriRK34, G4FSALBo <<
629 G4DormandPrince745, G4BogackiShampine45 ): i <<
630 fAuxStepper data members in constructor. <<
631 Coverity issues: 67393, 67394, 67391, 67390, <<
632 <<
633 Jul 03, 2017 J.Apostolakis - field <<
634 -------------------------- <<
635 - fix for memory leak in Stepper() in two step <<
636 G4FSALBogackiShampline45 ( Coverity issue <<
637 G4FSALDormandPrince745 ( Coverity issue <<
638 - G4BogackiShampline23: fix for memory leak in <<
639 ( Coverity issue 67355 ) <<
640 <<
641 May 17, 2017 J.Apostolakis - field <<
642 -------------------------- <<
643 - G4FieldManager::SetDetectorField <<
644 Fixed default of 'fail mode' parameter in <<
645 to 0 (silent) - not 1 which was used for <<
646 In case of existing G4ChordFinder, use 'max' <<
647 <<
648 <<
649 May 11, 2017 J.Apostolakis - field <<
650 -------------------------- <<
651 - Reintroduced changes of field-V10-01-05, 06 <<
652 issue recalled by ATLAS. <<
653 - New fixes/refinements (since field-V10-01-07 <<
654 o Extra check for missing equation. (Fix) <<
655 o Renamed G4FieldManager::SetFieldChangesEne <<
656 InitialiseFieldChangesEnergy() to clarify <<
657 - Original functionality change (copied from f <<
658 o G4FieldManager.cc : Revised behaviour of S <<
659 passes the Field to the Equation, as is th <<
660 The previous behaviour is possible, using <<
661 Values: 0 = silent ; <<
662 1 (default) = warning; <<
663 2 or other = fatal except <<
664 <<
665 This change is to ensure that user expecta <<
666 if the field is changed for an existing, w <<
667 be propagated to the equation of motion. <<
668 Note: this causes potential conflict betwe <<
669 and the field, which will need to be <<
670 Old behaviour (just set our own pointer) i <<
671 ProposeDetectorField(G4Field *detectorFiel <<
672 Note: Error reporting behaviour of SetDete <<
673 complain by default if ChordFinder i <<
674 ( The default values of failMode = 0 <<
675 If a chord-finder exists, it will still wa <<
676 To obtain have noisy extra checks call Set <<
677 or by using the new method for an existing <<
678 ChangeDetectorField(G4Field *detectorField <<
679 OLD: Co-works and requires new tag in geomet <<
680 <<
681 Mar 22, 2017 G.Cosmo - fiel <<
682 --------------------- <<
683 - Revert change made in previous tag and add s <<
684 singleton pointer. <<
685 <<
686 Mar 17, 2017 G.Cosmo - fiel <<
687 --------------------- <<
688 - Define G4FieldManagerStore as normal singlet <<
689 <<
690 Oct 7, 2016 J.Apostolakis - fiel <<
691 --------------------------- <<
692 - Checked loops for termination for infinite l <<
693 them with "Loop checking" comment <<
694 <<
695 Oct 7, 2016 D.Sorokin - fiel <<
696 ----------------------- Commit: J. Apostolaki <<
697 - Protection for multiple inclusion of G4Class <<
698 (thanks to Dmitrii Sorokin, GSoC 2016 stude <<
699 <<
700 Aug 16, 2016 J.Apostolakis - fiel <<
701 --------------------------- <<
702 - Added initialization of fAuxStepper in const <<
703 G4DoLoMcPriRK34, G4DormandPrince745 & G4Dorm <<
704 <<
705 June 11, 2016 J.Apostolakis - fiel <<
706 --------------------------- <<
707 - Restored G4ClassicalRK4 as default stepper f <<
708 (due to performance issues reported in bench <<
709 <<
710 June 10, 2016 G.Cosmo - fiel <<
711 --------------------- <<
712 - Fixed code indentation in G4HelixMixedSteppe <<
713 fixes compilation warnings on gcc-6.1. <<
714 <<
715 June 1, 2016 J.Apostolakis - fiel <<
716 -------------------------- <<
717 - Fix in multiple steppers for the size of two <<
718 intermediate values; they must be at least <<
719 'fNumberOfStateVariables' long. <<
720 Changed: G4CashKarp, <<
721 G4BogackiShampine 23 & 34 <<
722 G4DormandPrince 745, RK56 & RK78 <<
723 G4DoLoMcPriRK34 <<
724 G4FSALBogackiShampine45, G4FSALDorm <<
725 - Made G4CashKarp the default stepper in G4Cho <<
726 - Deleted trial class G4NewChordFinder. <<
727 <<
728 June 1, 2016 J.Apostolakis - fiel <<
729 -------------------------- <<
730 - Deleted test code (RkTestRun) due to cmake i <<
731 <<
732 June 1, 2016 J.Apostolakis - fiel <<
733 -------------------------- <<
734 - Made G4ClassicalRK4 the default stepper agai <<
735 - Fixes in test code (RkTestRun) for new names <<
736 <<
737 May 31, 2016 J.Apostolakis - fiel <<
738 -------------------------- <<
739 - New class G4NewChordFinder, that uses old G4 <<
740 the newer G4FSALIntegratorDriver -- first <<
741 Created new test testNewChordFinder.cc to ch <<
742 <<
743 - Renamed new Stepper classes to use 'G4' pref <<
744 DormandPrince{745,RK56,RK67} TsitourasRK45 <<
745 <<
746 - Renamed FSAL base classes to use 'G4' prefix <<
747 FSALMagIntegratorStepper to G4VFSALIntegr <<
748 FSALIntegratorDriver to G4FSALIntegr <<
749 and the experimental FSAL versions of steppe <<
750 FBogackiShampine45.hh to G4FSALBogackiS <<
751 FDormandPrince745.hh to G4FSALDormandP <<
752 ( Note: FSAL steppers remain 'behind' the impr <<
753 <<
754 - Made DormandPrince745 (DP45) the default ste <<
755 <<
756 May 26, 2016 J.Apostolakis & Som. Banerjee - <<
757 ------------------------------------------ <<
758 - First version of FSAL classes (as additional <<
759 FSAL Integrator Driver : New *concrete*, <<
760 FSAL Integrator Stepper : New base class ( <<
761 FBogackiShampine45: FSAL-version of Bogac <<
762 FDormandPrince745: FSAL-version of FDorm <<
763 Developed by Somnath Banerjee in GSoC 2015 <<
764 <<
765 Context: <<
766 * FSAL Stepper's key 'Stepper()' method for St <<
767 argument to return the derivative at the e <<
768 If the step was successful, this estimate <<
769 accuracy as the stepper (i.e. 5th order fo <<
770 <<
771 - FSAL Driver method uses the revised Stepper <<
772 the final (endpoint) derivative for succes <<
773 as the start derivative for the next step, <<
774 continuing of integration. <<
775 <<
776 - New test (RkTestRun.cc) covering FSAL method <<
777 Developed by Somnath Banerjee in GSoC 2015 <<
778 <<
779 May 26, 2016 J.Apostolakis - <<
780 -------------------------- <<
781 Preparation for addition of FSAL steppers (& d <<
782 - G4MagIntegratorStepper: Added counter for ca <<
783 with Get/Reset methods. <<
784 - Cosmetic fixes in sources.cmake (tabs to spa <<
785 <<
786 May 25, 2016 J.Apostolakis & Som. Banerjee - <<
787 ------------------------------------------ <<
788 - Added new stepper classes embedded RK method <<
789 * DoLoMcPriRK34, 6-stage 3/4 RK (interp <<
790 * DormandPrinceRK56, 9-stage 5/6 RK (interp <<
791 * DormandPrinceRK78, 13-stage 7/8 RK (interp <<
792 created by Somnath Banerjee as part of GSoC <<
793 <<
794 May 25, 2016 J.Apostolakis - field <<
795 -------------------------- <<
796 - Revised testPropagateMagField, to reduce err <<
797 steps. An error message is still written <<
798 but test does not stop. <<
799 <<
800 - G4HelixMixedStepper: Fixes & added new (5th <<
801 Included (G4)Bogacki-Shampine 23/45 , Dor <<
802 and newest TsitourasRK45. <<
803 <<
804 May 24, 2016 J.Apostolakis - field <<
805 -------------------------- <<
806 - Added TsitourasRK45 stepper. <<
807 - Made Cash-Karp the default stepper (in G4Cho <<
808 <<
809 May 23, 2016 J.Apostolakis - field <<
810 -------------------------- <<
811 - Made DormandPrince745 (DP45) the default ste <<
812 <<
813 May 20, 2016 J.Apostolakis - field <<
814 ------------------------- <<
815 - Added steppers created by Somnath Banerjee a <<
816 G4BogackiShampine23 (BS23 below), G4Bogack <<
817 DormandPrince745 (DP45). <<
818 These implement third order (BS23) and fifth <<
819 embedded RK tableaus. <<
820 - DP45 includes interpolation method, to evalu <<
821 ('y') at intermediate points of a successf <<
822 BS45's interpolation method exists, but is n <<
823 <<
824 References: <<
825 - BS45 is embedded pair from paper by P. Bog <<
826 “An efficient Runge-Kutta (4,5) pair,â <<
827 Comput. Math. with Appl., vol. 32, no. 6 <<
828 - BS23 is four stage RK method from the pape <<
829 “A 3(2) pair of Runge - Kutta formulas <<
830 Appl. Math. Lett., vol 2, no 4, p.321 (1 <<
831 - DP45 are from Table 2 of J. R. Dormand an <<
832 “A family of embedded Runge-Kutta form <<
833 Journal of comput. and applied Math., vo <<
834 <<
835 May 4, 2016 G.Cosmo - field- <<
836 ------------------- <<
837 - Fixed Clone() signatures in derived Field cl <<
838 More corrections on implementations of opera <<
839 <<
840 Apr 29, 2016 G.Cosmo - field- <<
841 -------------------- <<
842 - Corrected implementation of operator=() and <<
843 G4ElectroMagneticField, G4ElectricField and <<
844 <<
845 Feb 25, 2016 P.Gumplinger - field- <<
846 ------------------------- <<
847 - address Problem Report: 1831 <<
848 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin <<
849 G4RepleteEofM.cc from g_BMT = (magMo <<
850 to g_BMT = (std:: <<
851 <<
852 <<
853 Dec 11, 2015 A.Dotti - field-V10-02-0 <<
854 -------------------------- <<
855 Fixing typo in tests/CMakeList.txt file: subdi <<
856 instead of add_subdirectory() <<
857 <<
858 Nov 2, 2015 J.Apostolakis - field <<
859 Oct 22, 2015 J.Apostolakis - field <<
860 -------------------------- <<
861 - Reverted changes in G4FieldManager from tag <<
862 inadvertently reintroduced in tag field-V10 <<
863 (fixed in tag -15: committed new copy from <<
864 <<
865 - Added explanation comment in G4MagHelicalSte <<
866 <<
867 Oct 13, 2015 J.Apostolakis - field <<
868 -------------------------- <<
869 - G4ChordFinder::FindNextChord: Added check ag <<
870 to identify potential issue of lack of conve <<
871 - test: fixed testProElectricMagField.cc <<
872 <<
873 - Note: tag-13 inadvertently reintroduced chan <<
874 <<
875 Jun 26, 2015 P.Gumplinger - field <<
876 ------------------------- <<
877 - Include 'NumberOfVariables' in G4RepleteEofM <<
878 <<
879 Jun 22, 2015 G.Cosmo - field <<
880 -------------------- <<
881 - Withdrawn also changes introduced in tag "fi <<
882 responsible for memory violation errors in V <<
883 Now corresponding to tag "field-V10-01-04". <<
884 <<
885 Jun 18, 2015 G.Cosmo - field <<
886 -------------------- <<
887 - Withdrawn changes introduced from tag "field <<
888 "field-V10-01-07" included, responsible for <<
889 run-time errors on Valgrind checks. <<
890 <<
891 Jun 10, 2015 P.Gumplinger - field <<
892 ------------------------- <<
893 - initialize all elements of dydx[] in G4Reple <<
894 Thanks to Tatsuya Kikawa (Osaka Univ.) <<
895 <<
896 Jun 10, 2015 J.Apostolakis - field <<
897 -------------------------- <<
898 - G4FieldManager.cc : Made behaviour of SetDet <<
899 longer complains by default if ChordFinder <<
900 ( The default values of failMode = 0 i.e. <<
901 If a chord-finder exists, it will still war <<
902 <<
903 It is still possible to have louder/extra c <<
904 SetDetectorField with failMode > 0 <<
905 or by using a new method, which expects an <<
906 ChangeDetectorField(G4Field *detectorFiel <<
907 <<
908 Jun 8, 2015 J.Apostolakis - field <<
909 -------------------------- <<
910 - G4FieldManager.cc : Revised behaviour of Set <<
911 passes the Field to the Equation, as is the <<
912 The previous behaviour is possible, using e <<
913 flag. Values: 0 = silent ; <<
914 1 (default) = warning; <<
915 2 or other = fatal except <<
916 Or can use alternative (new) suggestion met <<
917 <<
918 This change is to ensure that user expectat <<
919 if the field is changed for an existing, <<
920 be propagated to the equation of motion. <<
921 Note: this causes potential conflict betwee <<
922 and the field, which will need to be <<
923 <<
924 Old behaviour (just set our own pointer) is <<
925 ProposeDetectorField(G4Field *detectorFie <<
926 <<
927 Co-works and requires new tag in geometry/n <<
928 <<
929 Jun 4, 2015 P. Gumplinger - field <<
930 ------------------------- <<
931 - change assignment to field instead of Field <<
932 <<
933 Jan 28, 2015 J.Apostolakis - field <<
934 -------------------------- <<
935 - Revert unintended inclusion of changes in G4 <<
936 <<
937 Jan 15, 2015 J.Apostolakis - field <<
938 -------------------------- <<
939 - Small refinements in G4FieldTrack - access r <<
940 Avoid division by zero for Unit direction <<
941 Added method to get Rest Mass. <<
942 Needed for fixes related to Problem report 1 <<
943 Thanks to Nathan S. Froemming <nfroemm@uw.ed <<
944 and created dedicated test to demonstrate i <<
945 <<
946 Nov 03, 2014 G.Cosmo - field <<
947 -------------------- <<
948 - Moved constructors and simple methods to in <<
949 G4LineSection for CPU speedup (courtesy of S <<
950 <<
951 May 21, 2014 J.Apostolakis - field <<
952 -------------------------- <<
953 - G4FieldTrack: <<
954 * Fixed SetChargeAndMoments() to use the new <<
955 G4ChargeState::SetChargesAndMoments(); it <<
956 erroneous change in G4ChargeState::SetChar <<
957 is now renamed SetChargeSpinMoments() to s <<
958 * Added pdg-spin as argument to constructors <<
959 * Renamed 'spin' to 'Polarization' in method <<
960 avoid confusion; <<
961 * Revised constructors to add pdg-spin as la <<
962 - G4ChargeState: <<
963 - Addressed Coverity issue #56281 'Arguments <<
964 G4ChargeState::SetChargeMoments() when use <<
965 G4FieldTrack::SetChargeMoments() from addi <<
966 without revising name of method to reflect <<
967 - Changed order of arguments in constructor, <<
968 (was 2nd) and making all arguments mandato <<
969 - Renamed SetChargeAndMoments() method with <<
970 to SetChargeSpinMoments(); <<
971 - Added new methods including SetChargesAndM <<
972 SetChargeDipoleMoments() (no spin), and al <<
973 SetChargeMdmSpin() (which includes spin) t <<
974 combinations. <<
975 - G4MagIntegratorDriver::OneGoodStep(): <<
976 * Trial changes to address Valgrind issue, a <<
977 <<
978 Apr 01, 2014 J.Apostolakis - fi <<
979 -------------------------- <<
980 - Moved G4FieldTrack::LoadFromArray() to .cc a <<
981 thread-local static data local to the functi <<
982 <<
983 Mar 14, 2014 J.Apostolakis - fi <<
984 -------------------------- <<
985 - Fix assignment operator for G4FieldTrack. (C <<
986 - Improve printing of G4FieldTrack <<
987 <<
988 Jan 17, 2014 P.Gumplinger - fi <<
989 ------------------------- <<
990 - add G4Mag_EqRhs::SetChargeMomentumMass( part <<
991 to G4Mag_SpinEqRhs::SetChargeMomentumMass, s <<
992 http://hypernews.slac.stanford.edu/HyperNews <<
993 <<
994 Nov 18, 2013 P.Gumplinger - fi <<
995 ------------------------- <<
996 - fix Coverity warning in G4RepleteEofM <<
997 <<
998 Nov 17, 2013 J.Apostolakis <<
999 -------------------------- <<
1000 - Fixed and improved HelixMixed Stepper: <<
1001 Corrected the default stepper for small s <<
1002 Added Angle-threshold parameter. (Default <<
1003 Added more Steppers, including G4NystromR <<
1004 Revised Id numbers of Steppers, to make t <<
1005 More comments in Stepper(). <<
1006 <<
1007 Nov 05, 2013 P.Gumplinger - f <<
1008 ------------------------- <<
1009 - remove writing out-of-bounds dydx[8] = 0. i <<
1010 <<
1011 Nov 04, 2013 P.Gumplinger - f <<
1012 ------------------------- <<
1013 - add G4RepleteEofM to sources.cmake <<
1014 f <<
1015 Nov 01st, 2013 P.Gumplinger - f <<
1016 --------------------------- <<
1017 - add G4RepleteEofM: EofM that includes force <<
1018 as well as mu*grad(B) and spin tracking. <<
1019 <<
1020 May 10th, 2013 P.Gumplinger/J.Apostolakis - f <<
1021 ----------------------------------------- <<
1022 - Revised number of field components (to allo <<
1023 18 are required for new applications (B, E <<
1024 - Fixes for initialisation errors found by Co <<
1025 <<
1026 May 10th, 2013 P.Gumplinger - field-V09-06-06 <<
1027 --------------------------- <<
1028 - prevent divided by zero and shortcut spin t <<
1029 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldW <<
1030 G4EqEMFieldWithEDM.cc <<
1031 f <<
1032 May 8th, 2013 P.Gumplinger/J.Apostolakis - f <<
1033 ----------------------------------------- <<
1034 - Introduced new class G4ChargeState to hold <<
1035 (promoted from internal class of G4Field <<
1036 - Changed the signature of EquationOfMotion:: <<
1037 take G4ChargeState in place of G4double (cha <<
1038 - Deleted SetChargeMomentumMass from G4ChordF <<
1039 G4MagInt_Driver <<
1040 <<
1041 - Migrated testPropagateMagField and testProp <<
1042 <<
1043 March 19th, 2013 G.Cosmo - field-V09-06-03, f <<
1044 ------------------------- <<
1045 - Cleanup of MT changes in G4FieldManagerStor <<
1046 <<
1047 February 26th, 2013 A.Dotti - field-V09-06-01 <<
1048 --------------------------- <<
1049 - First implementation of Cloning mechanism ( <<
1050 <<
1051 February 22nd, 2013 G.Cosmo - field-V09-06-00 <<
1052 --------------------------- <<
1053 - Cleanup of unnecessary changes for multi-th <<
1054 - Removed unused private data-members in G4Ma <<
1055 <<
1056 November 14th, 2012 P.Mato - field-V09-05-07 <<
1057 -------------------------- <<
1058 - G4QuadrupoleMagField: allow displaced origi <<
1059 - Added G4SystemOfUnits.hh in unit tests <<
1060 <<
1061 August 30th, 2012 P.Mato - field-V09-05-06 <<
1062 ------------------------ <<
1063 - Adapted CMakeLists.txt files to new unit te <<
1064 <<
1065 June 11th, 2012 G.Cosmo - field-V09-05-05 <<
1066 ----------------------- <<
1067 - Explicitly use inclusion of headers for sys <<
1068 constants, in plan to remove implicit inclu <<
1069 <<
1070 May 14th, 2012 G.Cosmo - field-V09-05-04 <<
1071 ---------------------- <<
1072 - Fixed spurious case of hidden variable visi <<
1073 detected with '-Wshadow' compilation option <<
1074 <<
1075 February 3rd, 2012 J.Apostolakis - field-V09 <<
1076 --------------------------------- <<
1077 - G4FieldTrack: <<
1078 Added new (inline) method to set the Rest <<
1079 reset this - and keep reuse the same G <<
1080 (across tracks.) <<
1081 Made SetCurvePnt() method private. <<
1082 Simplified implementation of constructors <<
1083 1 division per call. <<
1084 <<
1085 February 3rd, 2012 G.Cosmo - field-V09-05-0 <<
1086 ---------------------------- <<
1087 - Removed tests in CMakeLists.txt causing cat <<
1088 testing! <<
1089 <<
1090 February 2nd, 2012 J.Apostolakis - field-V0 <<
1091 ---------------------------------- <<
1092 - G4Mag_UsualEqRhs: in SetChargeMomentumMass( <<
1093 division by zero; stopped updating 'fInvCur <<
1094 is obsolete). <<
1095 - Added tests in CMakeLists.txt <<
1096 <<
1097 December 13th, 2011 G.Cosmo - field-V09-05-0 <<
1098 ---------------------------- <<
1099 - Fixed Coverity defects in G4SimpleRunge (re <<
1100 data member) and G4FieldTrack (missing G4Ch <<
1101 - Synchronised unit tests to trunk (new test <<
1102 <<
1103 November 11th, 2011 J.Apostolakis - field-V0 <<
1104 ---------------------------------- <<
1105 - Added G4Field.cc to list of files in source <<
1106 <<
1107 November 4th, 2011 J.Apostolakis - field-V0 <<
1108 ---------------------------------- <<
1109 - G4Field: revised to improve ability to dete <<
1110 Added new data member to identify gravity f <<
1111 Added new method IsGravityActive() to acces <<
1112 Created new source file: moving constructor <<
1113 - Changed G4UniformGravityField and G4Electro <<
1114 to accomodate this refinement. <<
1115 <<
1116 November 2nd, 2011 P.Gumplinger - field-V09- <<
1117 -------------------------------- <<
1118 - update list of files in sources.cmake <<
1119 <<
1120 October 28th, 2011 P.Gumplinger - field-V09- <<
1121 -------------------------------- <<
1122 - Added (uniform) gravity field capability. <<
1123 New classes G4EqGravityField, G4UniformGrav <<
1124 <<
1125 *Required* for co-working tag in Transporta <<
1126 <<
1127 October 12th, 2011 P.Gumplinger - field-V09- <<
1128 -------------------------------- <<
1129 - replaced: omegac = 0.105658387*GeV/mass * 2 <<
1130 with: omegac = (eplus/particleMass)*c_l <<
1131 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.c <<
1132 changed calculation: <<
1133 std::sqrt(kineticEnergy*kineticEnergy + <<
1134 to: <<
1135 std::sqrt(kineticEnergy*(kineticEnergy+2 <<
1136 in G4FieldTrack.cc <<
1137 <<
1138 August 11th, 2011 G.Cosmo - field-V09-04-01 <<
1139 -------------------------- <<
1140 - Migrated to new G4Exception scheme for warn <<
1141 - Defined scheme for warnings/errors coding: <<
1142 + 1xxx for warnings, 0xxx for errors. <<
1143 Code numbering: <<
1144 + 0001: not supported or implemented featur <<
1145 + 0002: invalid setup/construct; <<
1146 + 0003: invalid run condition; <<
1147 + 1001: incorrect setup; automatically adap <<
1148 + 1002: notification. <<
1149 <<
1150 May 13th, 2011 J.Apostolakis <<
1151 ---------------------------- <<
1152 - Added new class G4TrialsCounter for keeping <<
1153 - Avoid printing out pointer in G4CachedMagne <<
1154 - Updated unit tests. <<
1155 <<
1156 May 12th, 2011 G.Cosmo - field-V09-04-00 <<
1157 ----------------------- <<
1158 - Fixed compilation warnings from gcc-4.6.0 f <<
1159 <<
1160 May 5th, 2011 J.Apostolakis <<
1161 ---------------------------- <<
1162 - Reordered data members to group invariants, <<
1163 <<
1164 Sep 10th, 2010 J.Apostolakis - field-V09-03- <<
1165 ----------------------------- <<
1166 - Revised constructor of G4MagErrorStepper to <<
1167 - Corrected MagErrorStepper to copy State Var <<
1168 - Enable G4ConstRK4 to copy remaining State V <<
1169 <<
1170 Sep 10th, 2010 J.Apostolakis - field-V09-03- <<
1171 ----------------------------- <<
1172 - New class G4MonopoleEq for rhs of d(pc)/ds <<
1173 in SI units (V.Grichine). <<
1174 - Fixed passing of time in G4NystromRK4 <<
1175 <<
1176 Jul 21st, 2010 T.Nikitina - field-V09-03-01 <<
1177 -------------------------- <<
1178 - Fixed cases of memory corruption in G4RKG3_ <<
1179 - Fixed case of unused array data member in G <<
1180 - Removed useless code never executed in G4Co <<
1181 - Fixed initialization in G4NystromRK4 constr <<
1182 <<
1183 Jul 14th, 2010 G.Cosmo - field-V09-03-00 <<
1184 ----------------------- <<
1185 - Added dummy initialization of members in co <<
1186 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMField <<
1187 G4FieldTrack, G4MagHelicalStepper, G4MagInt <<
1188 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4Nystro <<
1189 G4UniformElectricField, G4UniformElectricFi <<
1190 <<
1191 Nov 12th, 2009 J.Apostolakis - field-V09-02- <<
1192 ----------------------------- <<
1193 - G4MagIntegratorDriver: activate check on i <<
1194 <<
1195 Nov 12th, 2009 J.Apostolakis - field-V09-02- <<
1196 ----------------------------- (fix only) <<
1197 - G4Nystrom: Corrected interface method getF <<
1198 (Problem found by gcc 4.3 - i <<
1199 <<
1200 Nov 6th, 2009 P.Gumplinger - field-V09-02-07 <<
1201 --------------------------- <<
1202 - bug fix in G4EqEMFieldWithSpin and G4EqEMFi <<
1203 thanks to Hiromi Iinuma (KEK) see: <<
1204 http://hypernews.slac.stanford.edu/HyperNew <<
1205 <<
1206 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 <<
1207 ---------------------------- <<
1208 - G4MagIntegratorDriver.cc : Enabled call to <<
1209 - G4NystromRK4.cc : Disabled auxilia <<
1210 ComputeRightHan <<
1211 <<
1212 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 <<
1213 ---------------------------- <<
1214 - Added new virtual method CalculateRightHand <<
1215 in caching momentum (and field value) b <<
1216 Default implementation in G4MagIntegrat <<
1217 - G4Nystrom: New Set/Get method for cache di <<
1218 Changed private data members in <<
1219 - G4MagIntegratorDriver: alternative call to <<
1220 As a result G4NystromRK4 operat <<
1221 <<
1222 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 <<
1223 ---------------------------- <<
1224 - G4CachedMagneticField: New Simple class to <<
1225 Speeds up code when calculation of field <<
1226 - G4NystromRK4 : New Stepper with Nys <<
1227 with analytic estimation of integration <<
1228 Greatly reduces number of field value pe <<
1229 - Revised testPropagateMagField to use Cached <<
1230 and to cover G4NystromRK4 and G4ConstRK4 <<
1231 <<
1232 Nov 4th, 2009 P.Gumplinger - field-V09-02-03 <<
1233 --------------------------- <<
1234 - (minor change) remove comment from G4EqEMFi <<
1235 add G4EqEMFieldWithEDM class: this is the R <<
1236 electric and magnetic field, with spin trac <<
1237 Thanks to Kevin Lynch, Phys. Dept. at Bosto <<
1238 <<
1239 May 18th, 2009 T.Nikitina - field-V09-02-02 <<
1240 ------------------------- 21 -------------------------
1241 - Enhanced algorithm G4ChordFinder::ApproxCur 22 - Enhanced algorithm G4ChordFinder::ApproxCurvePointS() in order to speedup
1242 BrentLocator. 23 BrentLocator.
1243 24
1244 March 25th, 2009 G.Cosmo - field-V09-02-01 << 25 March 25th, 2009 G.Cosmo
1245 ------------------------ 26 ------------------------
1246 - Some code cleanup and formatting... 27 - Some code cleanup and formatting...
1247 28
1248 March 6th, 2009 P.Gumplinger - field-V09-02-0 << 29 March 6th, 2009 P.Gumplinger
1249 ---------------------------- 30 ----------------------------
1250 - Added 3rd term of BMT equation (Spin x Beta 31 - Added 3rd term of BMT equation (Spin x Beta x Efield) to G4EqEMFieldWithSpin,
1251 addresses emfields forum posting #155 (bug 32 addresses emfields forum posting #155 (bug report). Thanks to Kevin Lynch,
1252 Phys. Dept. at Boston University. 33 Phys. Dept. at Boston University.
1253 - Moved renormalization of spin from G4EqEMFi 34 - Moved renormalization of spin from G4EqEMFieldWithSpin and G4Mag_SpinEqRhs to
1254 G4ClassicalRK4 and G4SimpleHeum. 35 G4ClassicalRK4 and G4SimpleHeum.
1255 - Added Spin propagation errors to the criter 36 - Added Spin propagation errors to the criteria for 'OneGoodStep' in
1256 G4MagIntegratorDriver but actually don't ad 37 G4MagIntegratorDriver but actually don't add it (yet) to the decision logic.
1257 38
1258 November, 19th, 2008 P.Gumplinger - field-V0 39 November, 19th, 2008 P.Gumplinger - field-V09-01-05
1259 ---------------------------------- 40 ----------------------------------
1260 - Renormalized the spin to 1 in G4EqEMFieldWi 41 - Renormalized the spin to 1 in G4EqEMFieldWithSpin and G4Mag_SpinEqRhs.
1261 42
1262 November, 7th, 2008 P.Gumplinger - field-V0 43 November, 7th, 2008 P.Gumplinger - field-V09-01-04
1263 ---------------------------------- 44 ----------------------------------
1264 - Added SetAnomaly() and GetAnomaly() accesso 45 - Added SetAnomaly() and GetAnomaly() accessors to G4EqEMFieldWithSpin.
1265 46
1266 October, 28th, 2008 T.Nikitina - field-V09- 47 October, 28th, 2008 T.Nikitina - field-V09-01-03
1267 -------------------------------- 48 --------------------------------
1268 - Added 'ApproxCurveV' to method G4ChordFinde << 49 - Added 'ApproxCurveV' to method G4ChordFinder::ApproxCurvePointS() in
1269 order to better calculate the curve length. 50 order to better calculate the curve length.
1270 - Some code cleanup. 51 - Some code cleanup.
1271 52
1272 September, 18th, 2008 T.Nikitina 53 September, 18th, 2008 T.Nikitina
1273 ---------------------------------- 54 ----------------------------------
1274 - Added new stepper class G4ConstRK4, perform 55 - Added new stepper class G4ConstRK4, performing integration of one step
1275 with error calculation in constant magnetic 56 with error calculation in constant magnetic field; implementation derived
1276 from G4ClassicalRK4. 57 from G4ClassicalRK4.
1277 58
1278 July, 15th, 2008 J.Apostolakis - field-V09- 59 July, 15th, 2008 J.Apostolakis - field-V09-01-02
1279 -------------------------------- 60 --------------------------------
1280 - Revised signature of G4ChordFinder::FinderN 61 - Revised signature of G4ChordFinder::FinderNextChord(), making 'FieldTrack'
1281 argument passed a reference. 62 argument passed a reference.
1282 63
1283 May, 28th, 2008 T.Nikitina 64 May, 28th, 2008 T.Nikitina
1284 ---------------------------- 65 ----------------------------
1285 - G4ChordFinder: added new method ApproxCurve 66 - G4ChordFinder: added new method ApproxCurvePointS() using Brent second order
1286 location mechanism. 67 location mechanism.
1287 68
1288 April 24th, 2008 T.Nikitina - field-V09-01- 69 April 24th, 2008 T.Nikitina - field-V09-01-01
1289 ----------------------------- 70 -----------------------------
1290 - Fix 'unused' non-initialized values of dydx 71 - Fix 'unused' non-initialized values of dydx in G4EqMagElectricField
1291 and G4EqEMFieldWithSpin. 72 and G4EqEMFieldWithSpin.
1292 73
1293 January 17th, 2008 G.Cosmo - field-V09-01-0 74 January 17th, 2008 G.Cosmo - field-V09-01-00
1294 ---------------------------- 75 ----------------------------
1295 - G4CashKarpRKF45: deleted un-needed duplicat 76 - G4CashKarpRKF45: deleted un-needed duplicate (and unused) instance variable
1296 'fNumberOfVariables', already defined in G4M 77 'fNumberOfVariables', already defined in G4MagIntegratorStepper. (J.Ap.)
1297 - Some code cleanup. 78 - Some code cleanup.
1298 79
1299 December 7th, 2007 J.Apostolakis & T.Nikiti 80 December 7th, 2007 J.Apostolakis & T.Nikitina - field-V09-00-03
1300 --------------------------------------------- 81 -----------------------------------------------
1301 - New class G4FieldManagerStore. It enables r 82 - New class G4FieldManagerStore. It enables resetting of all chord
1302 finders' state. Needed to address problem r 83 finders' state. Needed to address problem reported by user.
1303 84
1304 September 9th, 2007 G.Cosmo - field-V09-00-0 85 September 9th, 2007 G.Cosmo - field-V09-00-02a
1305 ---------------------------- 86 ----------------------------
1306 - Some code cleanup in G4MagHelicalStepper.cc 87 - Some code cleanup in G4MagHelicalStepper.cc.
1307 88
1308 August 30th, 2007 P.Gumplinger - field-V09 89 August 30th, 2007 P.Gumplinger - field-V09-00-02
1309 --------------------------------- 90 ---------------------------------
1310 - Add G4EqEMFieldWithSpin class to allow trac 91 - Add G4EqEMFieldWithSpin class to allow tracking of spin also in
1311 G4ElectroMagneticFields 92 G4ElectroMagneticFields
1312 93
1313 August 21st, 2007 T.Nikitina - field-V09-0 94 August 21st, 2007 T.Nikitina - field-V09-00-01
1314 ------------------------------- 95 -------------------------------
1315 - Fix to DistChord() method for Helical Stepp 96 - Fix to DistChord() method for Helical Steppers: adopt 'special' case
1316 also for Ang<2pi not only for Ang<pi; use c 97 also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
1317 improve CPU performance. 98 improve CPU performance.
1318 - Improved AdvanceHelix() to be able to make 99 - Improved AdvanceHelix() to be able to make half step and full step
1319 in one call. 100 in one call.
1320 - In G4HelixMixedStepper added possibility to 101 - In G4HelixMixedStepper added possibility to call different steppers for
1321 small steps and add some statistics how off 102 small steps and add some statistics how offen different steppers are called.
1322 - G4RKG3_Stepper: improved internal algorithm 103 - G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
1323 the stepper now gives comparable CPU perfor << 104 the stepper now gives comparable CPU performance as ClassicalRK4.
1324 - Updated unit tests. 105 - Updated unit tests.
1325 106
1326 August 17th, 2007 G.Cosmo - field-V09-00-0 107 August 17th, 2007 G.Cosmo - field-V09-00-00
1327 ---------------------------- 108 ----------------------------
1328 - Changed FatalException to EventMustBeAborte 109 - Changed FatalException to EventMustBeAborted in AccurateAdvance()
1329 if proposed integration step is negative. 110 if proposed integration step is negative.
1330 111
1331 June 8th, 2007 T.Nikitina - field-V08-03-0 112 June 8th, 2007 T.Nikitina - field-V08-03-03
1332 ---------------------------- 113 ----------------------------
1333 - Relaxed FatalException to Warning in G4MagI << 114 - Relaxed FatalException to Warning in G4MagIntegratorDriver::AccurateAdvance()
1334 for case of step zero and return previous v << 115 for case of step zero and return previous value. This fixes problem
1335 observed by ATLAS in release 8.3 when requi 116 observed by ATLAS in release 8.3 when requiring very accurate propagation
1336 -- ie using very small values for acceptabl 117 -- ie using very small values for acceptable integration error.
1337 118
1338 May 18th, 2007 T.Nikitina - field-V08-03-0 119 May 18th, 2007 T.Nikitina - field-V08-03-02
1339 ---------------------------- 120 ----------------------------
1340 - New class G4HelixMixedStepper, mixing helic 121 - New class G4HelixMixedStepper, mixing helical stepper and RK
1341 G4MagHelicalStepper 122 G4MagHelicalStepper
1342 - Keep values of inverse Radius, .. 123 - Keep values of inverse Radius, ..
1343 - New calculation of DistChord for SteppingAn 124 - New calculation of DistChord for SteppingAngle > pi
1344 G4RKG3Stepper 125 G4RKG3Stepper
1345 - New calculation of DistChord for SteppingAn 126 - New calculation of DistChord for SteppingAngle > pi
1346 127
1347 May 16th, 2007 G.Cosmo - field-V08-03-01 128 May 16th, 2007 G.Cosmo - field-V08-03-01
1348 ------------------------- 129 -------------------------
1349 - Introduced new class G4ErrorMag_UsualEqRhs 130 - Introduced new class G4ErrorMag_UsualEqRhs used to reverse the magnetic
1350 field when propagation is backwards for err 131 field when propagation is backwards for error propagation (by P.Arce).
1351 - Coworks with tag "global-V08-03-02". 132 - Coworks with tag "global-V08-03-02".
1352 133
1353 May 11th, 2007 G.Cosmo - field-V08-03-00 134 May 11th, 2007 G.Cosmo - field-V08-03-00
1354 ------------------------- 135 -------------------------
1355 - Use call to G4GeometryTolerance instead of 136 - Use call to G4GeometryTolerance instead of kCarTolerance constant in
1356 G4MagIntegratorDriver. 137 G4MagIntegratorDriver.
1357 - Requires tag "global-V08-03-00" and related 138 - Requires tag "global-V08-03-00" and related tag set.
1358 139
1359 May 10th, 2007 J.Apostolakis - field-V08-0 140 May 10th, 2007 J.Apostolakis - field-V08-02-01
1360 ------------------------------- 141 -------------------------------
1361 - G4MagIntegratorDriver: << 142 - G4MagIntegratorDriver:
1362 * added protections against zero initial 143 * added protections against zero initial or internal step h=0, (exceptions)
1363 * revised (re)calculation of h, and quit << 144 * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12)
1364 145
1365 April 26th, 2007 T.Nikitina - field-V08-02-0 146 April 26th, 2007 T.Nikitina - field-V08-02-00
1366 ---------------------------- 147 ----------------------------
1367 - Corrected integration constants in G4MagHel 148 - Corrected integration constants in G4MagHelicalStepper
1368 - Added implementation of G4RKG3_Stepper, ste 149 - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
1369 - Updated NTST unit test. New unit test "fiel 150 - Updated NTST unit test. New unit test "field06" for comparison of steppers.
1370 151
1371 November 14th, 2006 J.Apostolakis - field-V0 152 November 14th, 2006 J.Apostolakis - field-V08-01-02
1372 ---------------------------------- 153 ----------------------------------
1373 - G4MagIntegratorDriver 154 - G4MagIntegratorDriver
1374 * Made first argument of GetDerivatives a r 155 * Made first argument of GetDerivatives a reference - avoid copy
1375 - G4MagIntegratorStepper 156 - G4MagIntegratorStepper
1376 * Include the SetEquationOfMotion() method << 157 * Include the SetEquationOfMotion() method in G4MagIntegratorStepper
1377 (for Geant4e, as in field-V08-01-00) 158 (for Geant4e, as in field-V08-01-00)
1378 * Update of disclaimers. 159 * Update of disclaimers.
1379 160
1380 November 13th, 2006 G.Cosmo - field-V08-01-0 161 November 13th, 2006 G.Cosmo - field-V08-01-01
1381 ---------------------------- 162 ----------------------------
1382 - G4FieldTrack: 163 - G4FieldTrack:
1383 o Implemented missing definition for GetCha 164 o Implemented missing definition for GetCharge().
1384 o Corrected 'const' qualifier for accessors 165 o Corrected 'const' qualifier for accessors in the subclass.
1385 o Cleanup ... 166 o Cleanup ...
1386 - NOTE: this tag is NOT including the change 167 - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
1387 168
1388 June 21st, 2006 J.Apostolakis - field-V08-01 169 June 21st, 2006 J.Apostolakis - field-V08-01-00
1389 ------------------------------ 170 ------------------------------
1390 - Including the SetEquationOfMotion() method 171 - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
1391 172
1392 June 22nd, 2006 J.Apostolakis - field-V08-00 173 June 22nd, 2006 J.Apostolakis - field-V08-00-07
1393 ----------------------------- 174 -----------------------------
1394 - G4ExactHelixStepper: reintroduced corrected << 175 - G4ExactHelixStepper: reintroduced corrected class
1395 --> testPropagateMagField now tests it al 176 --> testPropagateMagField now tests it also (added)
1396 - G4MagHelicalStepper: made Stepper virtual ( << 177 - G4MagHelicalStepper: made Stepper virtual (for now)
1397 to enable G4ExactHelixStepper to 178 to enable G4ExactHelixStepper to override it
1398 179
1399 June 21st, 2006 J.Apostolakis - field-V08-00 180 June 21st, 2006 J.Apostolakis - field-V08-00-06
1400 ----------------------------- 181 -----------------------------
1401 - G4ExactHelixStepper: taking out class << 182 - G4ExactHelixStepper: taking out class
1402 (provisional tag in case of difficulties w 183 (provisional tag in case of difficulties with class, revisions)
1403 184
1404 --- The field-V08-00-0x , x > 6, tags do not 185 --- The field-V08-00-0x , x > 6, tags do not include the change below
1405 186
1406 May 27th, 2006 J.Apostolakis - field-V08-00- 187 May 27th, 2006 J.Apostolakis - field-V08-00-05
1407 ----------------------------- 188 -----------------------------
1408 - G4FieldTrack: Fix for simple compilation er 189 - G4FieldTrack: Fix for simple compilation error on Sun.
1409 190
1410 May 23rd, 2006 J.Apostolakis - field-V08-00- 191 May 23rd, 2006 J.Apostolakis - field-V08-00-04
1411 ----------------------------- 192 -----------------------------
1412 - G4FieldTrack: Fix for memory leak for Charg 193 - G4FieldTrack: Fix for memory leak for ChargeState
1413 Made G4ChargeState a data member (has an i 194 Made G4ChargeState a data member (has an instance)
1414 195
1415 May 18th, 2006 J.Apostolakis - field-V08-00- 196 May 18th, 2006 J.Apostolakis - field-V08-00-03
1416 ----------------------------- 197 -----------------------------
1417 - G4FieldTrack: Fix for issue with gcc 4.0 ( 198 - G4FieldTrack: Fix for issue with gcc 4.0 (mac)
1418 199
1419 May 16th, 2006 J.Apostolakis - field-V08-00- 200 May 16th, 2006 J.Apostolakis - field-V08-00-02
1420 ----------------------------- 201 -----------------------------
1421 - G4ExactHelixStepper 202 - G4ExactHelixStepper
1422 Taken out alpha version - it was included << 203 Taken out alpha version - it was included in error
1423 204
1424 May 11th, 2006 J.Apostolakis - field-V08-00- 205 May 11th, 2006 J.Apostolakis - field-V08-00-01
1425 ----------------------------- 206 -----------------------------
1426 - G4FieldTrack 207 - G4FieldTrack
1427 Significant, provisional change: 208 Significant, provisional change:
1428 * Added charge and moments to FieldTrack << 209 * Added charge and moments to FieldTrack
1429 (SetMethods, and pointer to embedde 210 (SetMethods, and pointer to embedded class G4ChargeState)
1430 Technical revisions: 211 Technical revisions:
1431 * New constructor, with charge and witho 212 * New constructor, with charge and without velocity
1432 * New almost-default constructor (taking 213 * New almost-default constructor (taking a character)
1433 Also: << 214 Also:
1434 * New constructor to take const referenc 215 * New constructor to take const reference to Spin
1435 * New implementation method UpdateFourMo 216 * New implementation method UpdateFourMomentum
1436 * Streaming operator takes const referen << 217 * Streaming operator takes const reference,
1437 and outputs momentum magnitude & dir 218 and outputs momentum magnitude & direction magn.
1438 219
1439 - G4ExactHelixStepper 220 - G4ExactHelixStepper
1440 Included in error << 221 Included in error
1441 222
1442 Apr 6th, 2006 J.Apostolakis - field-V08-00-0 223 Apr 6th, 2006 J.Apostolakis - field-V08-00-00
1443 ---------------------------- 224 ----------------------------
1444 - In G4FieldManager 225 - In G4FieldManager
1445 Added missing const GetChordFinder() method << 226 Added missing const GetChordFinder() method -- Problem report #847
1446 Corrected description (at top of include fil 227 Corrected description (at top of include file hh):
1447 - It is possible to set the field manager o 228 - It is possible to set the field manager of a logical volume (since long)
1448 229
1449 230
1450 Nov 9th, 2005 G.Cosmo - field-V07-01-00 231 Nov 9th, 2005 G.Cosmo - field-V07-01-00
1451 ---------------------- 232 ----------------------
1452 - Archived source code of field01 unit test, 233 - Archived source code of field01 unit test, now moved to examples/extended.
1453 - Migrated unit test NTST to use <sstream> an 234 - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
1454 with G4VParticleChange new interface. 235 with G4VParticleChange new interface.
1455 236
1456 Dec 2nd, 2004 G.Cosmo - field-V06-02-02 237 Dec 2nd, 2004 G.Cosmo - field-V06-02-02
1457 ---------------------- 238 ----------------------
1458 - Implemented migration to <cmath> for standa 239 - Implemented migration to <cmath> for standard mathematical functions.
1459 240
1460 Dec 2nd, 2004 J.Apostolakis - field-V06-02-0 241 Dec 2nd, 2004 J.Apostolakis - field-V06-02-01
1461 ---------------------------- 242 ----------------------------
1462 - Improvements to comments in key Field class 243 - Improvements to comments in key Field classes
1463 - Changes to test/NTST, renaming 'main()' fil 244 - Changes to test/NTST, renaming 'main()' file & modifying input files
1464 - Several improvements to test files 245 - Several improvements to test files
1465 testProElectroMagField.cc 246 testProElectroMagField.cc
1466 * updating for new Electric Field inheri 247 * updating for new Electric Field inheritance (& need for
1467 different ChordFinder creation ) 248 different ChordFinder creation )
1468 * adding columns to print-outs in spin c 249 * adding columns to print-outs in spin case for better diagnosis
1469 testPropagateMagField.cc 250 testPropagateMagField.cc
1470 * Added verbosity level 1 to field Propa 251 * Added verbosity level 1 to field Propagator, relabelled old method.
1471 testPropagateSpin.cc 252 testPropagateSpin.cc
1472 * Added more printout of parameters (sta 253 * Added more printout of parameters (state) of G4PropagatorInField
1473 and G4FieldManager before running each 254 and G4FieldManager before running each test.
1474 test/NTST 255 test/NTST
1475 * Renamed main() file to testNTST.cc and 256 * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
1476 257
1477 258
1478 Oct 20th, 2004 P.Gumplinger - field-V06-02-0 259 Oct 20th, 2004 P.Gumplinger - field-V06-02-00
1479 ---------------------------- 260 ----------------------------
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi 261 - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
1481 262
1482 Feb 9th, 2004 G.Cosmo - field-V06-00-00 263 Feb 9th, 2004 G.Cosmo - field-V06-00-00
1483 ---------------------- 264 ----------------------
1484 - G4UniformMagField.cc: added missing impleme 265 - G4UniformMagField.cc: added missing implementation for
1485 GetConstantFieldValue(). Fixes bug report # 266 GetConstantFieldValue(). Fixes bug report #575.
1486 267
1487 Nov 13th, 2003 J.Apostolakis - field-V05-02- 268 Nov 13th, 2003 J.Apostolakis - field-V05-02-08
1488 ----------------------------- 269 -----------------------------
1489 - G4ChordFinder: << 270 - G4ChordFinder:
1490 o extended the arguments of AdvanceChordLim 271 o extended the arguments of AdvanceChordLimited and FindNextChord
1491 adding the current safety sphere (origin, 272 adding the current safety sphere (origin, radius), for use in optimising.
1492 o fixed set functions which had side effect 273 o fixed set functions which had side effect (on first fraction.)
1493 - Added new class G4ChordFinderSaf (using abo 274 - Added new class G4ChordFinderSaf (using above)
1494 o which uses safety to create longer chords << 275 o which uses safety to create longer chords, so enabling
1495 propagation in fewer steps --> performa 276 propagation in fewer steps --> performance optimisation
1496 - G4FieldManager: << 277 - G4FieldManager:
1497 Changed default accuracy parameters to mu 278 Changed default accuracy parameters to much better values:
1498 Epsilon Min Default to 5.0e-5 from 279 Epsilon Min Default to 5.0e-5 from 5.0e-7 (too small)
1499 Epsilon Max Default to 0.001 from 280 Epsilon Max Default to 0.001 from 0.05 (far too big)
1500 281
1501 Nov 7th, 2003 J.Apostolakis - field-V05-02- 282 Nov 7th, 2003 J.Apostolakis - field-V05-02-07
1502 ----------------------------- 283 -----------------------------
1503 - G4ChordFinder << 284 - G4ChordFinder
1504 o Made this a base class 285 o Made this a base class
1505 * to enable specialised implementations 286 * to enable specialised implementations
1506 * virtual methods: FindNextChord, PrintSt 287 * virtual methods: FindNextChord, PrintStatistics)
1507 * new method AccumulateStatistics to aid 288 * new method AccumulateStatistics to aid in this
1508 289
1509 o New default value of 290 o New default value of Accuracy!!
1510 Delta Chord to 0.25 mm (from 291 Delta Chord to 0.25 mm (from 3.00 mm) <-----
1511 << 292
1512 - G4FieldManager 293 - G4FieldManager
1513 o Changed default values of 294 o Changed default values of
1514 Delta One Step to 0.010 mm (from 295 Delta One Step to 0.010 mm (from 0.25 mm) <-----
1515 Delta Intersection to 0.001 mm (from 296 Delta Intersection to 0.001 mm (from 0.10 mm) <-----
1516 for increased default accuracy 297 for increased default accuracy
1517 o Use field's DoesFieldChangesEnergy method 298 o Use field's DoesFieldChangesEnergy method to set relevant member variable
1518 299
1519 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 300 Nov 7th, 2003 J.Apostolakis - field-V05-02-06
1520 ---------------------------- 301 ----------------------------
1521 - G4ChordFinder 302 - G4ChordFinder
1522 Created new class members for parameters u 303 Created new class members for parameters used in heuristics:
1523 fFirstFraction for first st 304 fFirstFraction for first step
1524 fFractionLast fraction of 305 fFractionLast fraction of last step, if redoing
1525 fFractionNextEstimate confidence i 306 fFractionNextEstimate confidence in step est from chord
1526 fMultipleRadius for small ra 307 fMultipleRadius for small radii of curve
1527 New method to Print Statistics. 308 New method to Print Statistics.
1528 Verbosity to enable optional printing of s 309 Verbosity to enable optional printing of stats in destructor.
1529 310
1530 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 311 Nov 7th, 2003 J.Apostolakis - field-V05-02-05
1531 ---------------------------- 312 ----------------------------
1532 - G4ChordFinder 313 - G4ChordFinder
1533 o Added simple statistics (with access meth 314 o Added simple statistics (with access methods)
1534 - test/NTST 315 - test/NTST
1535 o Added new test, taken from D. Williams' e 316 o Added new test, taken from D. Williams' exampleNTST
1536 modified and maintained by J. Apostolaki << 317 modified and maintained by J. Apostolakis
1537 318
1538 Nov 5th, 2003 J.Apostolakis - field-V05-02-0 319 Nov 5th, 2003 J.Apostolakis - field-V05-02-04
1539 ---------------------------- 320 ----------------------------
1540 - G4FieldManager 321 - G4FieldManager
1541 o Added Get/Set Min/Max imumEpsilonStep 322 o Added Get/Set Min/Max imumEpsilonStep
1542 o Added fEpsilonMin fEpsilonMax & default t << 323 o Added fEpsilonMin fEpsilonMax & default to member variables.
1543 >> Now these can be tailored for different 324 >> Now these can be tailored for different parts of a detector or setup
1544 325
1545 - G4Field G4ElectroMagneticField G4MagneticFi 326 - G4Field G4ElectroMagneticField G4MagneticField
1546 o Adding the virtual method DoesFieldChan 327 o Adding the virtual method DoesFieldChangeEnergy() [to be used later]
1547 o So that G4ElectroMagneticField derives fr 328 o So that G4ElectroMagneticField derives from G4Field
1548 and G4MagneticField derives from G4Electr 329 and G4MagneticField derives from G4ElectroMagneticField
1549 330
1550 - G4MagErrorStepper and derived classes 331 - G4MagErrorStepper and derived classes
1551 (G4ClassicalRK4 G4SimpleRunge G4ExplicitE 332 (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
1552 o the constructors take G4EquationOfMotion 333 o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
1553 as it these applicable to all types of eq << 334 as it these applicable to all types of equations
1554 (not just ones for Magnetic field) 335 (not just ones for Magnetic field)
1555 336
1556 - G4EqMagElectricField 337 - G4EqMagElectricField
1557 o derives from G4EquationOfMotion 338 o derives from G4EquationOfMotion
1558 339
1559 - G4ChordFinder 340 - G4ChordFinder
1560 o Moved simple constructor to .cc file (tog 341 o Moved simple constructor to .cc file (together with 'complex' one)
1561 o Changed fDefaultDeltaChord to a constant 342 o Changed fDefaultDeltaChord to a constant member variable (from class var.)
1562 343
1563 Nov 4th, 2003 G.Cosmo - field-V05-02-03 344 Nov 4th, 2003 G.Cosmo - field-V05-02-03
1564 ---------------------- 345 ----------------------
1565 Undocumented. 346 Undocumented.
1566 347
1567 Nov 4th, 2003 G.Cosmo - field-V05-02-02 348 Nov 4th, 2003 G.Cosmo - field-V05-02-02
1568 ---------------------- 349 ----------------------
1569 - G4ChordFinder.cc: 350 - G4ChordFinder.cc:
1570 o Fixed compilation problem occuring when G 351 o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
1571 352
1572 Oct 31st, 2003 G.Cosmo - field-V05-02-01 353 Oct 31st, 2003 G.Cosmo - field-V05-02-01
1573 ----------------------- 354 -----------------------
1574 - Code cleanup and removal of redundant heade 355 - Code cleanup and removal of redundant header includes, replaced
1575 where necessary by forward declarations. 356 where necessary by forward declarations.
1576 357
1577 Oct 24th, 2003 G.Cosmo - field-V05-02-00 358 Oct 24th, 2003 G.Cosmo - field-V05-02-00
1578 ----------------------- 359 -----------------------
1579 - Migrated to use new G4Exception scheme. 360 - Migrated to use new G4Exception scheme.
1580 - Updated outputs of unit tests. 361 - Updated outputs of unit tests.
1581 362
1582 Jun 25th, 2003 J.Apostolakis - field-V05-01- 363 Jun 25th, 2003 J.Apostolakis - field-V05-01-06
1583 ----------------------------- 364 -----------------------------
1584 - Suppressed printing of statistics (by defau 365 - Suppressed printing of statistics (by default) in MagIntegrationDriver.
1585 - Fix for unused variables warning in ChordFi 366 - Fix for unused variables warning in ChordFinder.
1586 367
1587 Jun 24th, 2003 J.Apostolakis - field-V05-01- 368 Jun 24th, 2003 J.Apostolakis - field-V05-01-05
1588 ----------------------------- 369 -----------------------------
1589 - Fix for problems introduced in field-V05-01 370 - Fix for problems introduced in field-V05-01-03:
1590 o G4ChordFinder: 371 o G4ChordFinder:
1591 - Fixed unitialised variable for next ste 372 - Fixed unitialised variable for next step (now used for optimisation).
1592 - Protected assignment of 'fLastStepEstim 373 - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
1593 unitialised value. 374 unitialised value.
1594 375
1595 Jun 21st, 2003 J.Apostolakis - field-V05-01- 376 Jun 21st, 2003 J.Apostolakis - field-V05-01-04
1596 ----------------------------- 377 -----------------------------
1597 - G4FieldManager: 378 - G4FieldManager:
1598 o Revised into 'slightly' abstract class wi 379 o Revised into 'slightly' abstract class with one (new) virtual method:
1599 ConfigureForTrack( const G4Track *) 380 ConfigureForTrack( const G4Track *)
1600 to enable the user to configure it with d 381 to enable the user to configure it with different accuracy parameters
1601 depending on energy, particle id, volume, 382 depending on energy, particle id, volume, or other track state.
1602 Currently by default, no such configurati 383 Currently by default, no such configuration action is undertaken.
1603 384
1604 Jun 21st, 2003 J.Apostolakis - field-V05-01- 385 Jun 21st, 2003 J.Apostolakis - field-V05-01-03
1605 ----------------------------- 386 -----------------------------
1606 - Revised G4ChordFinder: 387 - Revised G4ChordFinder:
1607 * FindNextChord now provides next Step esti 388 * FindNextChord now provides next Step estimate (for accuracy in Integr.)
1608 * AdvanceChordLimited to use 389 * AdvanceChordLimited to use
1609 - above extra argument to FindNextChord 390 - above extra argument to FindNextChord
1610 - the next Step argument as initial-step 391 - the next Step argument as initial-step suggested to Accurate Advance
1611 - G4MagIntegratorDriver: 392 - G4MagIntegratorDriver:
1612 * Added extra argument to Accurate Advance: 393 * Added extra argument to Accurate Advance:
1613 hinitial: suggested initial step size 394 hinitial: suggested initial step size
1614 - Note: 395 - Note:
1615 * Purpose: performance boost with small/li << 396 * Purpose: performance boost with small/limited changes,
1616 including minor revisions of interfaces. 397 including minor revisions of interfaces.
1617 398
1618 Jun 20th, 2003 J.Apostolakis - field-V05-01- 399 Jun 20th, 2003 J.Apostolakis - field-V05-01-02
1619 ----------------------------- 400 -----------------------------
1620 - G4MagIntegratorDriver Quick Advance: 401 - G4MagIntegratorDriver Quick Advance:
1621 o Took out two unneccessary square roots an 402 o Took out two unneccessary square roots and two divisions.
1622 - Notes: 403 - Notes:
1623 1) Pure magnetic, electric, spin field test 404 1) Pure magnetic, electric, spin field test are completed.
1624 2) Purpose: performance boost with small c 405 2) Purpose: performance boost with small changes.
1625 406
1626 Jun 20th, 2003 J.Apostolakis - field-V05-01- 407 Jun 20th, 2003 J.Apostolakis - field-V05-01-01
1627 ----------------------------- 408 -----------------------------
1628 - G4MagIntegratorDriver: 409 - G4MagIntegratorDriver:
1629 o Corrected neglected conversion to <std> f 410 o Corrected neglected conversion to <std> from "G4std".
1630 - Migrated unit tests to <std>. 411 - Migrated unit tests to <std>.
1631 412
1632 Jun 19th, 2003 J.Apostolakis - field-V05-01- 413 Jun 19th, 2003 J.Apostolakis - field-V05-01-00
1633 ----------------------------- << 414 -----------------------------
1634 - G4ChordFinder: 415 - G4ChordFinder:
1635 o Corrected simple constructor to initialis 416 o Corrected simple constructor to initialise several member variables
1636 including LastStepEstimate_Unconstrained. 417 including LastStepEstimate_Unconstrained.
1637 - G4MagIntegratorDriver: 418 - G4MagIntegratorDriver:
1638 o Keep simple statistics on number of steps 419 o Keep simple statistics on number of steps, total error and step size.
1639 o Took out an unneccessary square root (in 420 o Took out an unneccessary square root (in loop).
1640 - NOTE: tests field0X are to be migrated. 421 - NOTE: tests field0X are to be migrated.
1641 Purpose: fixes, small performance boost, si 422 Purpose: fixes, small performance boost, simple statistics.
1642 423
1643 Apr 2nd, 2003 G. Cosmo - field-V05-00-01 424 Apr 2nd, 2003 G. Cosmo - field-V05-00-01
1644 --------------------------- 425 ---------------------------
1645 - Created .cc files for G4MagneticField and G 426 - Created .cc files for G4MagneticField and G4ElecroMagneticField.
1646 - Fixed definition of copy constructors in fi 427 - Fixed definition of copy constructors in fields inheritance chain.
1647 - Moved obsolete method StepWithEst() to priv 428 - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
1648 G4CashKarpRKF45 and G4ClassicalRK4. 429 G4CashKarpRKF45 and G4ClassicalRK4.
1649 - Cleared strict pedantic warnings. 430 - Cleared strict pedantic warnings.
1650 431
1651 Feb 5th, 2003 G. Cosmo - field-V05-00-00 432 Feb 5th, 2003 G. Cosmo - field-V05-00-00
1652 --------------------------- 433 ---------------------------
1653 - Removed redundant inclusions of PhysicalCon 434 - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
1654 Now using directly CLHEP's headers. 435 Now using directly CLHEP's headers.
1655 436
1656 Dec 12th, 2002 G. Cosmo - field-V04-01-06 437 Dec 12th, 2002 G. Cosmo - field-V04-01-06
1657 --------------------------- 438 ---------------------------
1658 - Moved unused variable 'nStpPr' to debug sec 439 - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
1659 method AccurateAdvance(). 440 method AccurateAdvance().
1660 441
1661 Dec 06th, 2002 G. Cosmo - field-V04-01-05 442 Dec 06th, 2002 G. Cosmo - field-V04-01-05
1662 --------------------------- 443 ---------------------------
1663 - Merged changes by Makoto for migration to n 444 - Merged changes by Makoto for migration to new G4ApplicationState in
1664 messengers of unit tests. 445 messengers of unit tests.
1665 446
1666 Nov 29th, 2002 J. Apostolakis - field-V04 447 Nov 29th, 2002 J. Apostolakis - field-V04-01-04
1667 --------------------------------- 448 ---------------------------------
1668 Further fixes for unitialised variable - in o 449 Further fixes for unitialised variable - in other steppers:
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE 450 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
1670 451
1671 Large memory leak fix for G4ImplicitEuler, sm 452 Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
1672 Test accuracy requirements for spin adjusted. 453 Test accuracy requirements for spin adjusted.
1673 454
1674 Nov 20th, 2002 J. Apostolakis - field-V04 455 Nov 20th, 2002 J. Apostolakis - field-V04-01-03
1675 --------------------------------- 456 ---------------------------------
1676 Further fixes for unitialised variables: 457 Further fixes for unitialised variables:
1677 458
1678 * G4MagIntegratorStepper 459 * G4MagIntegratorStepper
1679 - Created instance variables for number of 460 - Created instance variables for number of Integration, State variables
1680 461
1681 * G4MagErrorStepper 462 * G4MagErrorStepper
1682 - Utilise number of State variables to ini 463 - Utilise number of State variables to initialise full state of Output.
1683 464
1684 * G4Mag_SpinEqRhs 465 * G4Mag_SpinEqRhs
1685 - Initialise the values of dydx that we do 466 - Initialise the values of dydx that we do not update.
1686 467
1687 Note: Undoing these changes and the ones belo << 468 Note: Undoing these changes and the ones below would enable the user to see
1688 if undefined values are used in varia << 469 if undefined values are used in variables that he/she expects to
1689 have integrated. 470 have integrated.
1690 BUT the fix assists us to find truly un 471 BUT the fix assists us to find truly undefined values elsewhere
1691 -- if they exist -- using valgrind. 472 -- if they exist -- using valgrind.
1692 473
1693 Nov 9th, 2002 J. Apostolakis - field-V04 474 Nov 9th, 2002 J. Apostolakis - field-V04-01-02
1694 --------------------------------- 475 ---------------------------------
1695 Fixes to address use of uninitialised variabl 476 Fixes to address use of uninitialised variable in seting values of FieldTrack
1696 (this was done by design, but was neither ide 477 (this was done by design, but was neither ideal or always well-behaved.)
1697 Changed: 478 Changed:
1698 479
1699 * G4MagIntegratorDriver 480 * G4MagIntegratorDriver
1700 - Added instance variables for number of In 481 - Added instance variables for number of Integration, State variables
1701 - Initialise all State variables of Output 482 - Initialise all State variables of Output with values from initial variables.
1702 - Only the Integration variables will be in 483 - Only the Integration variables will be integrated
1703 484
1704 * G4ClassicalRK4 and G4MagErrorStepper 485 * G4ClassicalRK4 and G4MagErrorStepper
1705 - Copy the initial time to intermediate and << 486 - Copy the initial time to intermediate and output C-vectors,
1706 in order to provide a zero-eth estimate 487 in order to provide a zero-eth estimate value.
1707 Note1: Should clean-up this fix, making it 488 Note1: Should clean-up this fix, making it similar to Driver (above)
1708 Note2: Should *not* be used for time varyin << 489 Note2: Should *not* be used for time varying field unless created
1709 with at least 8 integration variab 490 with at least 8 integration variables
1710 --------------------------------- << 491 ---------------------------------
1711 G4ChordFinder.cc 492 G4ChordFinder.cc
1712 - Correction from zero dChord 493 - Correction from zero dChord
1713 which is does not update the Unconstrai 494 which is does not update the Unconstrained step estimate (state)
1714 - Added instance variables to store number 495 - Added instance variables to store number of calls and chord-trials
1715 and new print method for 'debugging' 496 and new print method for 'debugging'
1716 497
1717 G4Mag_UsualEqRhs.cc 498 G4Mag_UsualEqRhs.cc
1718 - Attempted approximations for speedup *ov 499 - Attempted approximations for speedup *overwritten* by full inverse sqrt.
1719 500
1720 501
1721 Oct 29th, 2002 J. Apostolakis - test-V04-0 502 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1722 -------------------------------- 503 --------------------------------
1723 - Changed output of tests for small output ch 504 - Changed output of tests for small output change (GeV->MeV)
1724 505
1725 Oct 29th, 2002 J. Apostolakis - test-V04-0 506 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1726 -------------------------------- 507 --------------------------------
1727 - (Only changed and tagged test subdirectory) 508 - (Only changed and tagged test subdirectory)
1728 Changed tests to use the new method SetChar << 509 Changed tests to use the new method SetChargeMomentumMass of
1729 PropagatorInField in order to be ready for << 510 PropagatorInField in order to be ready for its full use in
1730 G4PropagatorInField. 511 G4PropagatorInField.
1731 (A key problem at end-July was this non-pre 512 (A key problem at end-July was this non-preparedness of the unit tests.)
1732 513
1733 Jul 24th, 2002 G. Cosmo - field-V04-01-01 514 Jul 24th, 2002 G. Cosmo - field-V04-01-01
1734 -------------------------- 515 --------------------------
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta 516 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736 fDefault_Delta_Intersection_Val normal cons 517 fDefault_Delta_Intersection_Val normal constants (not static) to
1737 resolve initialisation problems. Coworks wi 518 resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738 Fixes problem report #383. 519 Fixes problem report #383.
1739 520
1740 Jul 23rd, 2002 G. Cosmo - field-V04-01-00 521 Jul 23rd, 2002 G. Cosmo - field-V04-01-00
1741 -------------------------- 522 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o 523 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743 Protected variable 'nStpPr' with G4DEBUG_FI 524 Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up 525 - Updated reference outputs and some other updates to unit tests.
1745 526
1746 Jun 25th, 2002 J. Apostolakis - field-V04- 527 Jun 25th, 2002 J. Apostolakis - field-V04-00-05
1747 -------------------------------- 528 --------------------------------
1748 - G4ChordFinder.cc 529 - G4ChordFinder.cc
1749 In NewStep: fixed case of stepTrial >> ste 530 In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750 (it was treated the same as stepTrial 531 (it was treated the same as stepTrial << old)
1751 Added guard for stepTrial==0.0 in FindNextC 532 Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc 533 - G4MagIntegratorDriver.cc
1753 Added protection against error of 0.0 in Co 534 Added protection against error of 0.0 in ComputeNewStepSize.
1754 535
1755 - G4EquationOfMotion 536 - G4EquationOfMotion
1756 Made RightHandSide an inline method << 537 Made RightHandSide an inline method
1757 In GetFieldValue signature of Point is doub 538 In GetFieldValue signature of Point is double[4], instead of double[3]
1758 Defined G4maximum_number_of_field_component 539 Defined G4maximum_number_of_field_components as enum
1759 540
1760 Jun 7th, 2002 J. Apostolakis - field-V04- 541 Jun 7th, 2002 J. Apostolakis - field-V04-00-04
1761 -------------------------------- 542 --------------------------------
1762 - G4Mag_SpinEqRhs.cc 543 - G4Mag_SpinEqRhs.cc
1763 o Fix to momentum component of Rhs. 544 o Fix to momentum component of Rhs.
1764 545
1765 May 31st, 2002 J. Apostolakis - field-V04- 546 May 31st, 2002 J. Apostolakis - field-V04-00-03
1766 -------------------------------- 547 --------------------------------
1767 - G4MagHelicalStepper.icc 548 - G4MagHelicalStepper.icc
1768 o Fix to LinearStep (correcting previous 549 o Fix to LinearStep (correcting previous fix/cosmetic)
1769 - G4ChordFinder.cc 550 - G4ChordFinder.cc
1770 o Corrective behaviour for very small or 551 o Corrective behaviour for very small or large changes of 'new step'
1771 [observed in complex 3-d fields (purgi 552 [observed in complex 3-d fields (purging magnet), or
1772 approximate equations of 553 approximate equations of motion ]
1773 - G4MagIntegratorDriver 554 - G4MagIntegratorDriver
1774 o More information in debug printing (tan 555 o More information in debug printing (tangent cosine, norm)
1775 556
1776 May 7th, 2002 J. Apostolakis 557 May 7th, 2002 J. Apostolakis
1777 -------------------------------- 558 --------------------------------
1778 - G4MagIntegratorDriver - ( on trunk ) 559 - G4MagIntegratorDriver - ( on trunk )
1779 * Fix to update the field track for steps s << 560 * Fix to update the field track for steps smaller than the chord finder's
1780 minstep. << 561 minstep.
1781 562
1782 563
1783 April 19th, 2002 J. Apostolakis (not inclu 564 April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
1784 -------------------------------- 565 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc (on trunk) 566 - G4MagIntegratorDriver.hh,cc (on trunk)
1786 * Bug fix: last step can now only be trigg 567 * Bug fix: last step can now only be triggerred if x+h > x2.
1787 * Debugging methods improved. 568 * Debugging methods improved.
1788 569
1789 May 7th, 2002 J. Apostolakis - field-V04- 570 May 7th, 2002 J. Apostolakis - field-V04-00-02
1790 -------------------------------- 571 --------------------------------
1791 Tag including only two changes below: 572 Tag including only two changes below:
1792 - Putting aside the other fixes/changes (as << 573 - Putting aside the other fixes/changes (as the one above) to
1793 G4MagIntegratorDriver, tagging only the fix t << 574 G4MagIntegratorDriver, tagging only the fix to update the field track
1794 for steps smaller than the chord finder's min 575 for steps smaller than the chord finder's minstep.
1795 576
1796 May 7th, 2002 J. Apostolakis 577 May 7th, 2002 J. Apostolakis
1797 -------------------------------- 578 --------------------------------
1798 - G4MagIntegratorDriver - ** branch ** on 579 - G4MagIntegratorDriver - ** branch ** on 1.20 **
1799 * Fix to update the field track for steps s << 580 * Fix to update the field track for steps smaller than the chord finder's
1800 minstep. << 581 minstep.
1801 582
1802 May 7th, 2002 J. Apostolakis 583 May 7th, 2002 J. Apostolakis
1803 -------------------------------- 584 --------------------------------
1804 - G4MagIntegratorStepper 585 - G4MagIntegratorStepper
1805 * Changed RightHandSide from a virtual meth << 586 * Changed RightHandSide from a virtual method to an inline (non-virtual)
1806 method -- it is not and should not be c 587 method -- it is not and should not be changed by derived classes.
1807 588
1808 Mar 28th, 2002 J. Apostolakis - field-V04-00 589 Mar 28th, 2002 J. Apostolakis - field-V04-00-01
1809 ----------------------- 590 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex << 591 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
1811 that had not been updated for new integra 592 that had not been updated for new integration variable (momentum).
1812 --> found in testing helical steppers in << 593 --> found in testing helical steppers in BaBar setup,
1813 in region of negligible field. 594 in region of negligible field.
1814 595
1815 - Changed maximum number of steps in driver, << 596 - Changed maximum number of steps in driver,
1816 halving from 500/order to 250/order. 597 halving from 500/order to 250/order.
1817 598
1818 Mar 28th, 2002 J. Apostolakis 599 Mar 28th, 2002 J. Apostolakis
1819 ----------------------- 600 -----------------------
1820 - Committed directory "OtherField" with examp 601 - Committed directory "OtherField" with examples of fields,
1821 Delphi, Quadropole etc. 602 Delphi, Quadropole etc.
1822 603
1823 - Updated outputs of testPropagateMagField fo 604 - Updated outputs of testPropagateMagField for new version of source,
1824 that has 3rd test case. 605 that has 3rd test case.
1825 606
1826 - Added new runs and outputs for testProElect << 607 - Added new runs and outputs for testProElectroMagField, with
1827 several steppers, and modified test scrip 608 several steppers, and modified test script test.sh accordingly.
1828 609
1829 610
1830 Feb 2nd, 2002 V. Grichine 611 Feb 2nd, 2002 V. Grichine
1831 ------------------------ 612 ------------------------
1832 Update of test/field02 to utilise new feature << 613 Update of test/field02 to utilise new features
1833 - for Electric Field, to signal that a fiel 614 - for Electric Field, to signal that a field modifies the energy;
1834 - updating of time by integration, for time 615 - updating of time by integration, for time dependent fields.
1835 616
1836 Jan 10th, 2002 G. Cosmo - field-V04-00-00 617 Jan 10th, 2002 G. Cosmo - field-V04-00-00
1837 ------------------------ 618 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile. 619 - Activated G4DEBUG_FIELD in GNUmakefile.
1839 620
1840 Jan 7th, 2002 J. Apostolakis 621 Jan 7th, 2002 J. Apostolakis
1841 ----------------------------- 622 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia 623 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843 624
1844 Dec 4th, 2001 G. Cosmo - field-V03-02-08 625 Dec 4th, 2001 G. Cosmo - field-V03-02-08
1845 ----------------------- 626 -----------------------
1846 - Fixed interface to virtual functions in the 627 - Fixed interface to virtual functions in the inheritance chain.
1847 Added 'virtual' qualifier to destructor and 628 Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848 of G4Field which may act as base class for 629 of G4Field which may act as base class for user-defined fields.
1849 Modified files: G4MagneticField.hh, G4Unifo 630 Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850 G4UniformMagField.hh. 631 G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng 632 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852 inside #ifdef G4DEBUG_FIELD. Other #ifdef r 633 inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w 634 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854 is returned (V.Grichine). 635 is returned (V.Grichine).
1855 636
1856 Nov 28th, 2001 J. Apostolakis - field-V03-02 637 Nov 28th, 2001 J. Apostolakis - field-V03-02-07
1857 ------------------------------ 638 ------------------------------
1858 G4FieldManager 639 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g 640 - Added fFieldChangesEnergy data member and get/set methods
1860 ( required to allow transportation to know h 641 ( required to allow transportation to know how to calculate end-time,
1861 enabling the integration of time only for 642 enabling the integration of time only for electric fields. )
1862 643
1863 Nov 28th, 2001 J. Apostolakis - field-V03-02 644 Nov 28th, 2001 J. Apostolakis - field-V03-02-06
1864 ------------------------------ 645 ------------------------------
1865 Small fixes only: 646 Small fixes only:
1866 647
1867 G4CashKarpRKF45 648 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array 649 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869 650
1870 G4EqMagElectricField 651 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci 652 - bug fixed in the formula for inverse velocity (-> V. Grichine)
1872 653
1873 Nov 21st, 2001 G. Cosmo - field-V03-02-05 654 Nov 21st, 2001 G. Cosmo - field-V03-02-05
1874 ------------------------ 655 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB 656 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876 (V.Grichine). 657 (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma 658 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02. 659 - Updates to unit test field02.
1879 660
1880 Nov 13th, 2001 G. Cosmo - field-V03-02-04 661 Nov 13th, 2001 G. Cosmo - field-V03-02-04
1881 ------------------------ 662 ------------------------
1882 - Removed warnings on gcc-2.95.2. 663 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field 664 - Included unit tests field01, field02, field03.
1884 665
1885 Nov 9th, 2001 J. Apostolakis - field-V03-02- 666 Nov 9th, 2001 J. Apostolakis - field-V03-02-03
1886 ----------------------------- 667 -----------------------------
1887 Motivated by the use case of an Electric Fiel 668 Motivated by the use case of an Electric Field,
1888 - in order to achieve reasonable accuracy in 669 - in order to achieve reasonable accuracy in time integration,
1889 - and to enable fields that vary with the gl 670 - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol 671 we (John Ap. and V. Grichine) changed the following:
1891 672
1892 - Modified G4Field to allow the time in the G << 673 - Modified G4Field to allow the time in the GetFieldValue method
1893 - as 4th component of the "position" arr 674 - as 4th component of the "position" array.
1894 675
1895 - Modified EquationOfMotion to provide the ti 676 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896 of G4Field 677 of G4Field
1897 * as the 4th component of a position / 678 * as the 4th component of a position / time 4-array
1898 * in place of only position as a 3-arry 679 * in place of only position as a 3-arry
1899 680
1900 - Added the global time as variable to be int << 681 - Added the global time as variable to be integrated over in the
1901 case of an Electric Field 682 case of an Electric Field
1902 683
1903 Support for these modifications is required i 684 Support for these modifications is required in G4Transportation.
1904 685
1905 (Better support will require either 686 (Better support will require either
1906 - a modification in G4FieldTrack to indicate 687 - a modification in G4FieldTrack to indicate whether the time has been
1907 integrated or not. << 688 integrated or not.
1908 - or additionally making the time calculatio 689 - or additionally making the time calculation a property of G4FieldTrack,
1909 bring in code to do it in from G4Transpor 690 bring in code to do it in from G4Transportation.)
1910 691
1911 692
1912 Nov 8th, 2001 J. Apostolakis - field-V03-02 693 Nov 8th, 2001 J. Apostolakis - field-V03-02-02
1913 ------------------------ 694 ------------------------
1914 - Introduced several changes in G4MagIntegrat 695 - Introduced several changes in G4MagIntegratorDriver.
1915 696
1916 It now respects its minimum driver step si 697 It now respects its minimum driver step size in AccurateAdvance.
1917 * whereas before it did not. 698 * whereas before it did not.
1918 699
1919 Modified maximum number of steps, lowering 700 Modified maximum number of steps, lowering by factor of 10.
1920 -> it should reduce the time spent integ 701 -> it should reduce the time spent integrating low energy particles,
1921 in some cases where it is unneccessary. 702 in some cases where it is unneccessary.
1922 703
1923 Protected printing of (nearly?) all warnin 704 Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
1924 705
1925 706
1926 Nov 05th, 2001 G. Cosmo - field-V03-02-01 707 Nov 05th, 2001 G. Cosmo - field-V03-02-01
1927 ------------------------ 708 ------------------------
1928 - Fixed trivial warnings on Linux-g++. 709 - Fixed trivial warnings on Linux-g++.
1929 710
1930 Aug 27th, 2001 J. Apostolakis - field-V03-02 711 Aug 27th, 2001 J. Apostolakis - field-V03-02-00
1931 ------------------------------ 712 ------------------------------
1932 Tagged last change. 713 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 ( 714 This tag is utilised in transport-V03-02-01 (which requires it).
1934 715
1935 Aug 16th, 2001 J. Apostolakis 716 Aug 16th, 2001 J. Apostolakis
1936 ------------------------------ 717 ------------------------------
1937 G4ChordFinder: 718 G4ChordFinder:
1938 Added method to erase/reset the state of the 719 Added method to erase/reset the state of the StepEstimate.
1939 This is unwanted internal state that was car 720 This is unwanted internal state that was carried between tracks and
1940 events as a side effect. 721 events as a side effect.
1941 722
1942 Calling this at the start of each track, it 723 Calling this at the start of each track, it is now possible to
1943 eliminate a non-repeatability that was possi 724 eliminate a non-repeatability that was possible due to this.
1944 ( It has been observed in particular in v 725 ( It has been observed in particular in vaccuum. )
1945 726
1946 May 23rd, 2001 J. Apostolakis - field-V03-01 727 May 23rd, 2001 J. Apostolakis - field-V03-01-02
1947 ------------------------------ 728 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo 729 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949 730
1950 May 23rd, 2001 J. Apostolakis - field-V03-01 731 May 23rd, 2001 J. Apostolakis - field-V03-01-01
1951 ------------------------------ 732 ------------------------------
1952 - Fixed G4FieldManager constructors to give d 733 - Fixed G4FieldManager constructors to give default values to delta
1953 parameters. 734 parameters.
1954 735
1955 - Updated testPropagateSpin (it now compiles) << 736 - Updated testPropagateSpin (it now compiles),
1956 and some outputs of testPropagateMagField 737 and some outputs of testPropagateMagField (1 to 5)
1957 738
1958 739
1959 Apr 12th, 2001 P. Gumplinger - field-V03-01- 740 Apr 12th, 2001 P. Gumplinger - field-V03-01-00
1960 ----------------------------- 741 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq 742 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962 to spin tracking. 743 to spin tracking.
1963 744
1964 Apr 04th, 2001 G. Cosmo - field-V03-00-05 745 Apr 04th, 2001 G. Cosmo - field-V03-00-05
1965 ------------------------ 746 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o 747 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967 748
1968 Mar 23rd, 2001 J. Apostolakis - field-V03-00 749 Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
1969 ------------------------------ 750 ------------------------------
1970 - Electric Field unit test now works: test ru 751 - Electric Field unit test now works: test runs until completion.
1971 Test outputs saved (on Linux). 752 Test outputs saved (on Linux).
1972 753
1973 - Fixed src/G4UniformElectricField.cc to set 754 - Fixed src/G4UniformElectricField.cc to set correct field components
1974 (compat 755 (compatible with Equation of Motion
1975 G4EqMa 756 G4EqMagElectricField )
1976 757
1977 - Tidied G4FieldTrack 758 - Tidied G4FieldTrack
1978 * deleted obsolete methods Set/Get Momentu 759 * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979 * in constructor to set the value of the s << 760 * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
1980 if pSpin is null. (It was undefine 761 if pSpin is null. (It was undefined.)
1981 762
1982 Mar 23rd, 2001 J. Apostolakis - field-V03-00 763 Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
1983 ------------------------------ 764 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil << 765 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
1985 766
1986 - Modified G4MagIntegratorStepper << 767 - Modified G4MagIntegratorStepper
1987 to use pointer to G4EquationOfMotion 768 to use pointer to G4EquationOfMotion
1988 instead of G4Mag_EqRhs 769 instead of G4Mag_EqRhs
1989 770
1990 - Design iteration appears neccessary 771 - Design iteration appears neccessary
1991 772
1992 Mar 23rd, 2001 J. Apostolakis - field-V03-00 773 Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
1993 ------------------------------ 774 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for 775 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995 the possibility of (correct) use of all H << 776 the possibility of (correct) use of all Helical Steppers.
1996 777
1997 - test/testProElectroMagField.cc updated for 778 - test/testProElectroMagField.cc updated for momentum.
1998 (Not yet updated: Spin tests) 779 (Not yet updated: Spin tests)
1999 780
2000 781
2001 Mar 19th, 2001 J. Apostolakis - field-V03-00 782 Mar 19th, 2001 J. Apostolakis - field-V03-00-01
2002 ------------------------------ 783 ------------------------------
2003 - Tagging the modification of several classes 784 - Tagging the modification of several classes to integrate in momentum*c_light
2004 instead of velocity. << 785 instead of velocity.
2005 Reason for change: Velocity integration ca 786 Reason for change: Velocity integration can result in superluminar
2006 velocities, due to arithmetic inaccuraci 787 velocities, due to arithmetic inaccuracies.
2007 Classes modified: << 788 Classes modified:
2008 G4FieldTrack, (Changed components 3,4,5 789 G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
2009 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle 790 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010 791
2011 Feb 20th, 2001 J. Apostolakis << 792 Feb 20th, 2001 J. Apostolakis
2012 793
2013 - Modified several classes to integrate in mo 794 - Modified several classes to integrate in momentum instead of velocity.
2014 795
2015 G4FieldTrack: 796 G4FieldTrack:
2016 Changed components 3,4,5 of SixVector to 797 Changed components 3,4,5 of SixVector to Momentum,
2017 Modified constructor 798 Modified constructor
2018 Added energy calculation to "LoadFromArr 799 Added energy calculation to "LoadFromArray" method
2019 GetEnergy method is now implemented. << 800 GetEnergy method is now implemented.
2020 Deleted obsolete (old) method names for 801 Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021 802
2022 G4ChordFinder 803 G4ChordFinder
2023 Renamed old-method names of Field Track << 804 Renamed old-method names of Field Track to new ones.
2024 805
2025 Jan 29th, 2001 G. Cosmo - field-V03-00-00 806 Jan 29th, 2001 G. Cosmo - field-V03-00-00
2026 ------------------------- 807 -------------------------
2027 808
2028 - Minor fix to G4MagneticField.hh: added expl 809 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029 copy constructor. Fixes report #205. 810 copy constructor. Fixes report #205.
2030 811
2031 Nov 20th, 2000 G. Cosmo - field-V02-00-02 812 Nov 20th, 2000 G. Cosmo - field-V02-00-02
2032 813
2033 - Fixes to remove warnings from "-Wall -ansi 814 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034 o commented out variables declared and not 815 o commented out variables declared and not used.
2035 o fixed declaration of variables used befor 816 o fixed declaration of variables used before being initialised.
2036 o fixed order of initialisation of member d 817 o fixed order of initialisation of member data in constructors.
2037 o fixed usage of unsigned-int (size_t) for 818 o fixed usage of unsigned-int (size_t) for array indeces.
2038 819
2039 Nov 9th, 2000 G. Cosmo - field-V02-00-01 820 Nov 9th, 2000 G. Cosmo - field-V02-00-01
2040 821
2041 - G4FieldManager: added check on existence of 822 - G4FieldManager: added check on existence of allocated fChordFinder
2042 in CreateChordFinder(G4MagneticField*) meth 823 in CreateChordFinder(G4MagneticField*) method.
2043 824
2044 Nov 1st, 2000 G. Cosmo - field-V02-00-00 825 Nov 1st, 2000 G. Cosmo - field-V02-00-00
2045 826
2046 - QA code revision and cleanup (+fixes from C 827 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047 o Added (private) declarations of copy cons 828 o Added (private) declarations of copy constructor and assignment operator
2048 where needed. 829 where needed.
2049 o Added "const" qualifier to accessor metho 830 o Added "const" qualifier to accessor methods, wherever needed.
2050 o Added equality check on operator= where n 831 o Added equality check on operator= where needed.
2051 o Made destructor "virtual" for classes hav 832 o Made destructor "virtual" for classes having virtual methods,
2052 wherever missing. 833 wherever missing.
2053 o Changed virtual functions to non-inline w 834 o Changed virtual functions to non-inline wherever's the case.
2054 o Changed return value to be "const" pointe 835 o Changed return value to be "const" pointer to functions:
2055 - G4EquationOfMotion::GetFieldObj() 836 - G4EquationOfMotion::GetFieldObj()
2056 - G4FieldManager::GetDetectorField() 837 - G4FieldManager::GetDetectorField()
2057 - G4MagIntegratorDriver::GetStepper() 838 - G4MagIntegratorDriver::GetStepper()
2058 o Fixed and corrected signature to G4MagInt 839 o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059 o Added "inline" qualifier to methods' decl 840 o Added "inline" qualifier to methods' declarations.
2060 o General cosmetics 841 o General cosmetics
2061 842
2062 Jun 2nd, 2000 J. Apostolakis 843 Jun 2nd, 2000 J. Apostolakis
2063 - G4FieldManager[.hh.icc] 844 - G4FieldManager[.hh.icc]
2064 o Added DeltaIntersection and DeltaOneStep 845 o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065 Get/Set methods and SetAccuraciesWithDelt 846 Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066 847
2067 May 31st, 2000 J. Apostolakis - field-V01-01 848 May 31st, 2000 J. Apostolakis - field-V01-01-03
2068 849
2069 include/G4FieldManager.hh,icc 850 include/G4FieldManager.hh,icc
2070 o Moved Delta Intersection and Delta One St 851 o Moved Delta Intersection and Delta One Step to FieldManager
2071 (from Propagator in Field), to allow th 852 (from Propagator in Field), to allow them to differ over the detector.
2072 853
2073 May 11th, 2000 J. Apostolakis - field-V01-01 854 May 11th, 2000 J. Apostolakis - field-V01-01-02
2074 855
2075 - G4ChordFinder[.hh.cc] 856 - G4ChordFinder[.hh.cc]
2076 o Modified method for finding new trial ste 857 o Modified method for finding new trial step.
2077 New method assumes a quadratic relationsh 858 New method assumes a quadratic relationship between step-length and d_chord:
2078 d_chord proportional to step-l 859 d_chord proportional to step-lenght ^ 2
2079 o Added two small refinement in order to av 860 o Added two small refinement in order to avoid unneccesary extra step due to
2080 small numerical inaccuracies in estimatio 861 small numerical inaccuracies in estimation:
2081 FindNextChord 862 FindNextChord
2082 to first step use (1-0.001) 863 to first step use (1-0.001) * last-step-estimate
2083 New Step: 864 New Step:
2084 to subsequent step use trial_st 865 to subsequent step use trial_step = 0.98 * estimate
2085 866
2086 May 10th, 2000 G. Cosmo 867 May 10th, 2000 G. Cosmo
2087 868
2088 - G4MagneticField.hh: minor fix to dummy impl 869 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089 operator. 870 operator.
2090 871
2091 May 9th, 2000 J. Apostolakis - field-V01 872 May 9th, 2000 J. Apostolakis - field-V01-01-01
2092 873
2093 - G4MagErrorStepper: << 874 - G4MagErrorStepper:
2094 Modified DistChord to check whether the c 875 Modified DistChord to check whether the chord endpoint are the same point.
2095 876
2096 - G4RKG3_Stepper: 877 - G4RKG3_Stepper:
2097 Deleted error message from StepNoErr, as 878 Deleted error message from StepNoErr, as it is used in Stepper.
2098 879
2099 - G4MagIntegratorDriver: 880 - G4MagIntegratorDriver:
2100 Changed the condition for the debug outpu 881 Changed the condition for the debug output (~cosmetic)
2101 882
2102 883
2103 April 27th, 2000 G. Cosmo 884 April 27th, 2000 G. Cosmo
2104 885
2105 - Reorganised comments for the Software Refer 886 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe 887 - Moved inlined definition to .icc files, where needed.
2107 Created: G4ChordFinder.icc and G4FieldManag 888 Created: G4ChordFinder.icc and G4FieldManager.icc.
2108 889
2109 April 13th, 2000 J. Apostolakis - field-V01 890 April 13th, 2000 J. Apostolakis - field-V01-01-00
2110 891
2111 - Modified signature to function DumbStepper( 892 - Modified signature to function DumbStepper() in classes:
2112 G4HelixExplicitEuler, G4HelixHeum, G4HelixI 893 G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113 G4HelixSimpleRunge and G4MagHelicalStepper. 894 G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu 895 - Modified signature and implementation of function MagFieldEvaluate()
2115 in G4MagHelicalStepper, to use Field (as Th 896 in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it 897 - Made Richardson extrapolation optional (it is unclear if
2117 it offers benefit) in G4MagHelicalStepper. 898 it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and 899 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b 900 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120 (V.Grichine). 901 (V.Grichine).
2121 902
2122 January 19th, 2000 G. Cosmo - field-V01-00 903 January 19th, 2000 G. Cosmo - field-V01-00-00
2123 904
2124 Syncronized versioning of files with HEAD aft 905 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes). 906 (essentially CVS header changes).
2126 907
2127 December 7th, 1999 J. Apostolakis - field- 908 December 7th, 1999 J. Apostolakis - field-V00-01-01a
2128 909
2129 For negative or very small curve lengths (h) 910 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe 911 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless. 912 as it is meaningless.
2132 913
2133 November 23rd, 1999 J. Apostolakis - field- 914 November 23rd, 1999 J. Apostolakis - field-V00-01-01
2134 915
2135 Tagged this sub-category's state in geometry- 916 Tagged this sub-category's state in geometry-V00-01-01
2136 917
2137 918
2138 July 6th, 1999 J. Apostolakis - field- 919 July 6th, 1999 J. Apostolakis - field-01-00-07
2139 920
2140 These fixes and those in field-01-00-06 and f 921 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 922 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig << 923 interaction with paths that are rather straight.
2143 924
2144 G4MagIntegrationDriver: << 925 G4MagIntegrationDriver:
2145 i) AccurateAdvance now that the chord distan 926 i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon). 927 gth (times 1+epsilon).
2147 928
2148 ii) OneGoodStep and QuickAdvance considers th 929 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b 930 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given. 931 the "eps" maximum given.
2151 932
2152 G4ChordFinder: 933 G4ChordFinder:
2153 Having found that the curve_length vs ABdis 934 Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration: 935 the imprecision of the integration:
2155 i) Modified the exception in this case to h 936 i) Modified the exception in this case to happen only for very large
2156 relative disrepancies ( 10 * eps ). 937 relative disrepancies ( 10 * eps ).
2157 ii) Undertaken a default corrective action i 938 ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve 939 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu 940 ie step lengths much smaller than the curvature of the track.
2160 941
2161 July 1st, 1999 J. Apostolakis - field- 942 July 1st, 1999 J. Apostolakis - field-01-00-06a
2162 943
2163 In order to cope with the anomalous condition 944 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField, we ensure that the f 945 in G4PropagatorInField, we ensure that the fraction_AE is always between
2165 0 and 1.0. (giving it a default value of 0.5 946 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV ) 947 ( in G4ChordFinder::ApproxCurvePointV )
2167 948
2168 June 29th, 1999 J. Apostolakis - field- 949 June 29th, 1999 J. Apostolakis - field-01-00-06
2169 950
2170 I re-instated a check on whether the input 951 I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t 952 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV ) 953 ( in G4ChordFinder::ApproxCurvePointV )
2173 954
2174 The condition that prints out a warning messa 955 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi << 956 take into account the case of a very small final interval.
2176 ( in G4MagInt_Driver::AccurateAdvance ) 957 ( in G4MagInt_Driver::AccurateAdvance )
2177 958
2178 June ??th, 1999 J. Apostolakis - field- 959 June ??th, 1999 J. Apostolakis - field-01-00-05
2179 960
2180 The condition that prints out a warning messa << 961 The condition that prints out a warning message was changed to delete
2181 an incorrect comparison. << 962 an incorrect comparison.
2182 ( in G4MagInt_Driver::AccurateAdvance ) 963 ( in G4MagInt_Driver::AccurateAdvance )
2183 964
2184 April 19th, 1999 J. Apostolakis - field- 965 April 19th, 1999 J. Apostolakis - field-01-00-04
2185 966
2186 G4MagErrorStepper: Cosmetic changes to name o 967 G4MagErrorStepper: Cosmetic changes to name of data members
2187 968
2188 March 4th, 1999 J. Apostolakis - field- 969 March 4th, 1999 J. Apostolakis - field-01-00-03
2189 970
2190 Corrected delete statement of arrays to use ' 971 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45 972 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192 973
2193 February 17th, 1999 J. Apostolakis - field 974 February 17th, 1999 J. Apostolakis - field-01-00-02
2194 975
2195 Moved G4PropagatorInField files to geometry/ << 976 Moved G4PropagatorInField files to geometry/volumes.
2196 Updated GNUmakefile not to depend on geometr 977 Updated GNUmakefile not to depend on geometry/volumes anymore.
2197 -> the known circular dependency is remove 978 -> the known circular dependency is removed
2198 979
2199 980
2200 February 12th, 1999 J. Apostolakis - field 981 February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
2201 982
2202 A tag that contains the first version that 983 A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory). G4PropagateInSpin is still in t 984 directory). G4PropagateInSpin is still in this version. A small change
2204 in a branch of the header file was needed. << 985 in a branch of the header file was needed.
2205 986
2206 987
2207 February 10th, 1999 J. Apostolakis << 988 February 10th, 1999 J. Apostolakis
2208 989
2209 All the following changes are needed for ener 990 All the following changes are needed for energy integration also:
2210 991
2211 G4ChordFinder now passes to the constructed d 992 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a 993 Because of the need for the stepper to know about it in its Abstract interface
2213 994
2214 -> Moved theNumberOfVariables from derived c 995 -> Moved theNumberOfVariables from derived class G4MagErrorStepper
2215 to base class 996 to base class G4MagIntegratorStepper
2216 997
2217 As a consequense the classes that derived fro 998 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt << 999 were changed: G4CashKarpRKF45, G4MagHelicalStepper,
2219 1000
2220 1001
2221 February 9th, 1999 J. Apostolakis 1002 February 9th, 1999 J. Apostolakis
2222 1003
2223 Equation of Motion: 1004 Equation of Motion:
2224 G4MagEqRhs.hh Made SetChargeMomentumMass vir 1005 G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225 can initialise its constants << 1006 can initialise its constants too.
2226 1007
2227 1008
2228 February 9th, 1999 P. Gumplinger 1009 February 9th, 1999 P. Gumplinger
2229 1010
2230 Added Equation of Motion for Spin in Magnetic 1011 Added Equation of Motion for Spin in Magnetic Field.
2231 1012
2232 1013
2233 February 17th, 1999 J. Apostolakis - fiel 1014 February 17th, 1999 J. Apostolakis - field-01-00-01
2234 ---> date is correct, made sure that tag d 1015 ---> date is correct, made sure that tag does not include above fixes!
2235 << 1016
2236 Moved G4PropagatorInField files to geometry/ << 1017 Moved G4PropagatorInField files to geometry/volumes.
2237 Updated GNUmakefile not to depend on geometr 1018 Updated GNUmakefile not to depend on geometry/volumes anymore.
2238 -> the known circular dependency is remove 1019 -> the known circular dependency is removed
2239 1020
2240 1021
2241 --------------------------------------------- 1022 ---------------------------------------------------------------------------
2242 ------ Geant 4 Production Release - 1023 ------ Geant 4 Production Release ------------
2243 --------------------------------------------- 1024 --------------------------------------------------------------------------
2244 Nov 19th, 1998 J. Apostolakis - field-0 1025 Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
2245 1026
2246 G4PropagatorInField files modified: 1027 G4PropagatorInField files modified:
2247 1028
2248 - to store the last safety computed and it 1029 - to store the last safety computed and its origin.
2249 - to give them to a requester 1030 - to give them to a requester
2250 --------------------------------------------- 1031 ------------------------------------------------------------------
2251 1032
2252 Nov 19th, 1998 J. Apostolakis - field-0 1033 Nov 19th, 1998 J. Apostolakis - field-00-03-03b
2253 1034
2254 Subtle fix to interface of G4UniformMagField << 1035 Subtle fix to interface of G4UniformMagField::GetFieldValue
2255 ( that tripped Visual C++ ) 1036 ( that tripped Visual C++ )
2256 1037
2257 G4PropagatorInField: added printing method 1038 G4PropagatorInField: added printing method for verboseness.
2258 1039
2259 Nov 19th, 1998 J. Apostolakis - field-0 1040 Nov 19th, 1998 J. Apostolakis - field-00-03-03a
2260 1041
2261 Steppers: Fixed instance variables constr 1042 Steppers: Fixed instance variables construction (SimpleRunge)
2262 and clash of names in CashKarp: 1043 and clash of names in CashKarp::StepWithEstimate
2263 1044
2264 Added post-const to all Field classes for 1045 Added post-const to all Field classes for
2265 void GetFieldValue(const G4double 1046 void GetFieldValue(const G4double yTrack[] ,
2266 G4double B[] 1047 G4double B[] ) const ;
2267 1048
2268 Added SetFieldValue methods to UniformMagF 1049 Added SetFieldValue methods to UniformMagField
2269 1050
2270 Added GetConstantFieldValue() methods to U 1051 Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271 1052
2272 1053
2273 Nov 19th, 1998 J. Apostolakis - field-0 1054 Nov 19th, 1998 J. Apostolakis - field-00-03-03
2274 1055
2275 Fixes to Propagate and Steppers 1056 Fixes to Propagate and Steppers
2276 1057
2277 Nov 19th, 1998 J. Apostolakis - field-0 1058 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2278 1059
2279 Minor corrections (???) 1060 Minor corrections (???)
2280 1061
2281 Nov 19th, 1998 J. Apostolakis - field-0 1062 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2282 << 1063
2283 Major development to allow Electric Field 1064 Major development to allow Electric Field
2284 << 1065
2285 1066
2286 1067
2287 June 17th, 1998 J. Apostolakis - magfiel 1068 June 17th, 1998 J. Apostolakis - magfield-06-03
2288 1069
2289 Modified Files: 1070 Modified Files:
2290 include/G4PropagatorInField.hh 1071 include/G4PropagatorInField.hh
2291 src/G4PropagatorInField.cc 1072 src/G4PropagatorInField.cc
2292 test/testPropagateInField.cc 1073 test/testPropagateInField.cc
2293 --------------------------------------------- 1074 ----------------------------------------------------------------------
2294 1075
2295 1) Added an assertion after each call to Lo << 1076 1) Added an assertion after each call to LocateGlobalPointAndSetup.
2296 It checks that the located volume is equ 1077 It checks that the located volume is equal to the current volume.
2297 If this check fails, the Propagator does 1078 If this check fails, the Propagator does not know how to continue.
2298 1079
2299 2) Added an argument to ComputeStep method 1080 2) Added an argument to ComputeStep method of G4PropagatorInField.
2300 The new volume argument is used to check th 1081 The new volume argument is used to check the current volume during the step.
2301 1082
2302 3) When G4Navigator's ComputeStep returned 1083 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
2303 used to be treated as a failure to intersect. 1084 used to be treated as a failure to intersect. This is incorrect.
2304 1085
2305 stepLength==stepRequested is an intersect 1086 stepLength==stepRequested is an intersection,
2306 so I am now treating it as such in each 1087 so I am now treating it as such in each comparison (of 3).
2307 Ignoring it causes problems, including 1088 Ignoring it causes problems, including volume being skipped.
2308 --> but treating it as an intersection 1089 --> but treating it as an intersection used to cause problems too ??
2309 1090
2310 1091
2311 May 7th, 1998 J. Apostolakis - magfie 1092 May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
2312 1093
2313 - Tag includes new version of G4ChordFinder ( 1094 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314 1095
2315 1096
2316 May 7th, 1998 W. Wander (recorded/c 1097 May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
2317 1098
2318 - New "helical" RK steppers that move in heli 1099 - New "helical" RK steppers that move in helical segments, not linear.
2319 * Several changes to add steppers << 1100 * Several changes to add steppers
2320 1101
2321 Modified Files: 1102 Modified Files:
2322 G4MagErrorStepper.hh << 1103 G4MagErrorStepper.hh
2323 G4MagErrorStepper.cc << 1104 G4MagErrorStepper.cc
2324 added Helical stepping methods to 1105 added Helical stepping methods to this general ABC.
2325 << 1106
2326 G4MagIntegratorStepper.hh 1107 G4MagIntegratorStepper.hh
2327 made RightHandSide virtual (this 1108 made RightHandSide virtual (this will be reversed very soon)
2328 1109
2329 testPropagateMagField.cc 1110 testPropagateMagField.cc
2330 Test of Helical stepping functiona 1111 Test of Helical stepping functionality added.
2331 << 1112
2332 Added Files for new Helical RK steppers, der 1113 Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333 G4HelixExplicitEuler.cc ( and .hh ) 1114 G4HelixExplicitEuler.cc ( and .hh )
2334 G4HelixHeum.cc 1115 G4HelixHeum.cc
2335 G4HelixImplicitEuler.cc 1116 G4HelixImplicitEuler.cc
2336 G4HelixSimpleRunge.cc << 1117 G4HelixSimpleRunge.cc
2337 1118
2338 Added File for implementation: 1119 Added File for implementation:
2339 G4MagErrorStepper.icc 1120 G4MagErrorStepper.icc
2340 1121
2341 1122
2342 May 7th, 1998 J. Apostolakis - magfi 1123 May 7th, 1998 J. Apostolakis - magfield-06-01
2343 1124
2344 - added small changes to << 1125 - added small changes to
2345 * G4ChordFinder: methods to get 1126 * G4ChordFinder: methods to get/set IntegratorDriver
2346 * G4MagIntegratorDriver: made OneGoodSt 1127 * G4MagIntegratorDriver: made OneGoodStep method public
2347 - created the file. 1128 - created the file.
>> 1129