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