| Geant4 Cross Reference |
1 # Category field History << 1 -------------------------------------------------------------------
2 2
3 See `CONTRIBUTING.rst` for details of **requir << 3 =========================================================
4 which **must** added in reverse chronological << 4 Geant4 - an Object-Oriented Toolkit for Simulation in HEP
5 It must **not** be used as a substitute for wr << 5 =========================================================
6 << 6
7 ---------------------------------------------- << 7 Category History file
8 << 8 ---------------------
9 ## 2024-11-26 Ivana Hrivnacova (field-V11-02-0 << 9 This file should be used by G4 developers and category coordinators
10 - Better names for the G4EquationType enum con << 10 to briefly summarize all major modifications introduced in the code
11 << 11 and keep track of all category-tags.
12 ## 2024-11-04 Philippe Canal (field-V11-02-05) << 12 It DOES NOT substitute the CVS log-message one should put at every
13 - Improve stability of static initialization f << 13 committal in the CVS repository !
14 StepperDescription() in G4DormandPrince745. << 14
15 << 15 ----------------------------------------------------------
16 ## 2024-09-10 Ivana Hrivnacova (field-V11-02-0 << 16 * Reverse chronological order (last date on top), please *
17 - Coverity fixes: << 17 ----------------------------------------------------------
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 18
330 November 9, 2018 J.Apostolakis 19 November 9, 2018 J.Apostolakis - field-V10-04-17
331 ------------------------------ 20 ------------------------------
332 - Small fixes for warnings in compilation. 21 - Small fixes for warnings in compilation.
333 - Revisions of descriptions of recent tags (fo 22 - Revisions of descriptions of recent tags (for clarification.)
334 23
335 September 26, 2018 D.Sorokin 24 September 26, 2018 D.Sorokin - field-V10-04-15, -16
336 ---------------------------- 25 ----------------------------
337 - Implemented G4InterpolationDriver. This driv << 26 - Implement G4InterpolationDrvier. This driver uses a Runge-Kutta
338 stepper with interpolation property to integ 27 stepper with interpolation property to integrate EoM with error control.
339 The field evaluations used to calculate the << 28 The field evaluations used to calculate the enpoint of an 'advance' can
340 be reused to obtain one or multiple internal << 29 be reused to obtain one or multiple internal points on the curve (x,p).
341 So in steps in which an intersection is foun << 30 So in steps in which an intersection is found, the number of field
342 evaluations are expected to be reduced subst << 31 evaluations are expected to be reduced substantially.
343 32
344 September 13, 2018 D.Sorokin 33 September 13, 2018 D.Sorokin - field-V10-04-13, -14
345 ---------------------------- 34 ----------------------------
346 - G4NystromRK4 creates G4CachedMagneticField i 35 - G4NystromRK4 creates G4CachedMagneticField if it was not provided.
347 - Removed G4MagIntegratorStepper::ComputeRight 36 - Removed G4MagIntegratorStepper::ComputeRightHandSide() method
348 (all calls now use non-virtual RightHandSide << 37 (all calls now use non-virtual RightHandSide() method instead).
349 - Reversed declaration of final for the class 38 - Reversed declaration of final for the class G4UniformMagField.
350 Returned to previous status: only GetFieldVa << 39 Returned to previous status: only GetFieldValue method is final.
351 ( This avoid need to change examples/tests a << 40 ( This avoid need to change examples/tests and potentially migrate
352 users' code. ) << 41 users' code. )
353 42
354 September 12, 2018 D.Sorokin 43 September 12, 2018 D.Sorokin - field-V10-04-11, -12
355 ---------------------------- 44 ----------------------------
356 - Created new experimental driver G4BFieldInte 45 - Created new experimental driver G4BFieldIntegrationDriver for pure
357 magnetic fields. In QuickAdvance it uses he << 46 magnetic fields. In QuickAdvance it uses helix stepper when the
358 estimated 'helix' rotation angle is larger t << 47 estimated 'helix' rotation angle is larger than pi/3.
359 - G4NystromRK4 uses G4CachedMagneticField for 48 - G4NystromRK4 uses G4CachedMagneticField for caching values.
360 NOTE: It now the user's responsibility to cr << 49 NOTE: It now the user's responsibility to create G4CachedMagneticField.
361 ( The alternative is to create G4CachedMagne 50 ( The alternative is to create G4CachedMagneticField inside G4NystromRK4.
362 But this would have several disadvantages: 51 But this would have several disadvantages:
363 * It would change the field in the user's 52 * It would change the field in the user's equation of motion;
364 * G4NystromRK4 is not able to check whethe 53 * G4NystromRK4 is not able to check whether the user calls the method
365 that changes the equation using SetEquat 54 that changes the equation using SetEquationOfMotion method. )
366 55
367 July 10, 2018 D. Sorokin - field- 56 July 10, 2018 D. Sorokin - field-V10-04-08, -09, -10
368 ------------------------ Tags by J. Apostolaki 57 ------------------------ Tags by J. Apostolakis
369 - Corrections in calculation of chord distance 58 - Corrections in calculation of chord distance in G4DormandPrince745
370 ( use 4th order interpolation from Shampine << 59 ( use 4th order interpolation from Shampine 1986 for mid-point. )
371 - Revised G4FieldUtils: moved copy() method fr 60 - Revised G4FieldUtils: moved copy() method from steppers,
372 added 2 new setValue: simple & variadic meth << 61 added 2 new setValue: simple & variadic methods.
373 - Fixes to copy input time in ModifiedMidpoint 62 - Fixes to copy input time in ModifiedMidpoint, CashKarp, G4RK547FEq1/2/3
374 Bogacki-Shampine 4/5 and 2/3 (note: B-S 2/3 << 63 Bogacki-Shampine 4/5 and 2/3 (note: B-S 2/3 largely rewritten )
375 Dormand Prince 4/5, 5/6 and 7/8, and Tsitou << 64 Dormand Prince 4/5, 5/6 and 7/8, and Tsitouras steppers.
376 - Trial revision in G4BulirschStoer to reduce 65 - Trial revision in G4BulirschStoer to reduce number of division
377 operations (J.A.) 66 operations (J.A.)
378 - Fix for unitialised pIntStepper pointer in G 67 - Fix for unitialised pIntStepper pointer in G4FSALIntegrationDriver
379 constructor. Revision of data member variab 68 constructor. Revision of data member variable names. ( J.A. )
>> 69
380 70
381 June 15, 2018 G.Cosmo - fiel 71 June 15, 2018 G.Cosmo - field-V10-04-07
382 --------------------- 72 ---------------------
383 - Fixed minor Coverity defects in G4BurlischSt 73 - Fixed minor Coverity defects in G4BurlischStoer and G4ModifiedMidPoint.
384 Code cleanup. 74 Code cleanup.
385 75
386 June 13, 2018 G.Cosmo - fiel 76 June 13, 2018 G.Cosmo - field-V10-04-06
387 --------------------- 77 ---------------------
388 - Leave override final only for clone() method 78 - Leave override final only for clone() method in G4UniformMagField,
389 not in destructor... 79 not in destructor...
390 80
391 June 12, 2018 G.Cosmo - fiel 81 June 12, 2018 G.Cosmo - field-V10-04-05
392 --------------------- 82 ---------------------
393 - Use G4Exception warnings instead of streamin 83 - Use G4Exception warnings instead of streaming to cerr.
394 - Added override final for virtual methods in 84 - Added override final for virtual methods in G4UniformMagField (J.Apostolakis).
395 - Some code cleanup. 85 - Some code cleanup.
396 86
397 Apr 30, 2018 J. Apostolakis - fiel 87 Apr 30, 2018 J. Apostolakis - field-V10-04-04
398 --------------------------- 88 ---------------------------
399 - G4VIntegrationDriver and derived classes 89 - G4VIntegrationDriver and derived classes
400 90
401 Added new virtual method in G4VIntegrationDr 91 Added new virtual method in G4VIntegrationDriver :
402 void RenewStepperAndAdjust(G4MagIntegrat 92 void RenewStepperAndAdjust(G4MagIntegratorStepper *pItsStepper)
403 which used to exist in G4MagInt_Driver. << 93 which used to exist in G4MagInt_Driver.
404 ( Its absence caused a problem in some exist 94 ( Its absence caused a problem in some existing user code since 10.4. )
405 95
406 This method must be defined in those derived 96 This method must be defined in those derived driver classes which accept
407 a Runge Kutta stepper ( i.e. some or any typ 97 a Runge Kutta stepper ( i.e. some or any type of G4MagIntegratorStepper )
408 98
409 - G4IntegrationDriver, G4FSALIntegrationDriver 99 - G4IntegrationDriver, G4FSALIntegrationDriver
410 Defined default implementation (which throws << 100 Defined default implementation (which throws a Fatal G4Exception), and
411 implementations in the templated classes G4I 101 implementations in the templated classes G4IntegrationDriver and
412 G4FSALIntegrationDriver which check the type 102 G4FSALIntegrationDriver which check the type (via dynamic cast) and
413 change the stepper if it is appropriate. 103 change the stepper if it is appropriate.
414 104
415 Feb 13, 2018 J. Apostolakis - fiel 105 Feb 13, 2018 J. Apostolakis - field-V10-04-03
416 --------------------------- 106 ---------------------------
417 - Change in G4FieldManager::CreateChordFinder << 107 - Change in G4FieldManager::CreateChordFinder to cope
418 better with case that field argument is null 108 better with case that field argument is null.
419 109
420 Feb 13, 2018 D. Sorokin - fiel 110 Feb 13, 2018 D. Sorokin - field-V10-04-01
421 ----------------------- - fiel 111 ----------------------- - field-V10-04-02 (comp. fix)
422 - Introduced Bulirsch-Stoer method of integrat 112 - Introduced Bulirsch-Stoer method of integration, an alternative
423 to Runge-Kutta based on the mid-point method 113 to Runge-Kutta based on the mid-point method.
424 Separate driver derived G4VIntegrationDriver 114 Separate driver derived G4VIntegrationDriver and implemented
425 using specialisation of G4IntegrationDriver 115 using specialisation of G4IntegrationDriver template class.
426 Note: this method does not have a RK 'Steppe 116 Note: this method does not have a RK 'Stepper' !
427 117
428 Jan 31, 2018 J. Apostolakis 118 Jan 31, 2018 J. Apostolakis
429 --------------------------- 119 ---------------------------
430 - G4MagneticField no longer inherits from G4El 120 - G4MagneticField no longer inherits from G4ElectroMagneticField
431 This was incorrect, and allowed a user to pr << 121 This was incorrect, and allowed a user to provide a full EM
432 field, but obtain the force only from the B- 122 field, but obtain the force only from the B-field when using
433 the equation created in the G4ChordFinder co 123 the equation created in the G4ChordFinder constructor.
434 => potential interface change. 124 => potential interface change.
435 125
436 Result: It is no longer possible to use the << 126 Result: It is no longer possible to use the equation of motion for a
437 pure magnetic field for the case of a mix 127 pure magnetic field for the case of a mixed electromagnetic field.
438 This change is desired, and is a *protect 128 This change is desired, and is a *protection* as that inadvertent
439 use led to incorrect results. << 129 use led to incorrect results.
440 Instead the full chain of classes for equati 130 Instead the full chain of classes for equation of full EM field,
441 steppers and driver must be used for the 131 steppers and driver must be used for the case of the 'full' EM field.
442 132
443 Feb 9, 2017 G.Cosmo - fiel 133 Feb 9, 2017 G.Cosmo - field-V10-04-00
444 ------------------- 134 -------------------
445 - Removed static data from G4FSALIntegrationDr 135 - Removed static data from G4FSALIntegrationDriver, G4IntegrationDriver and
446 G4MagIntegratorDriver and moved to base clas 136 G4MagIntegratorDriver and moved to base class as normal data members.
447 Fix required for allowing proper symbol expo 137 Fix required for allowing proper symbol exporting on Windows DLLs.
448 138
449 Nov 17, 2017 J. Apostolakis - fiel 139 Nov 17, 2017 J. Apostolakis - field-V10-03-30
450 --------------------------- 140 ---------------------------
451 - G4ChordFinder: Reinstated old driver G4MagIn << 141 - G4ChordFinder: Reinstated old driver G4MagInt_Drv, for use
452 with G4DormandPrince745 (5th order) in G4C 142 with G4DormandPrince745 (5th order) in G4ChordFinder's
453 2nd constructor (with magnetic field.) 143 2nd constructor (with magnetic field.)
454 ( Reverses change made in field-V10-03-27 ) 144 ( Reverses change made in field-V10-03-27 )
455 145
456 Nov 16, 2017 J. Apostolakis - fiel 146 Nov 16, 2017 J. Apostolakis - field-V10-03-29
457 --------------------------- 147 ---------------------------
458 - Suppressed statistics printing in G4ChordFin 148 - Suppressed statistics printing in G4ChordFinder and new drivers
459 ( G4IntegrationDriver and G4FSALIntegration 149 ( G4IntegrationDriver and G4FSALIntegrationDriver )
460 protecting them by verbosity flags. 150 protecting them by verbosity flags.
461 << 151
462 - Minor fix to initialise scalar data member i 152 - Minor fix to initialise scalar data member in new steppers
463 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3. << 153 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3.
464 Fixes coverity issues 97886, 97888 and 97889 154 Fixes coverity issues 97886, 97888 and 97889.
465 155
466 156
467 Nov 14, 2017 J. Apostolakis - fiel 157 Nov 14, 2017 J. Apostolakis - field-V10-03-28
468 --------------------------- 158 ---------------------------
469 - Suppressed extra verbosity in G4ChordFinder. 159 - Suppressed extra verbosity in G4ChordFinder.
470 - Fix in G4FSALDormandPrince745 for unitialise 160 - Fix in G4FSALDormandPrince745 for unitialised variables.
471 Initialise ak8[], ak9[] in constructor. This 161 Initialise ak8[], ak9[] in constructor. This avoids repeated
472 memory allocation, without deletion - i.e. a 162 memory allocation, without deletion - i.e. a memory leak.
473 - Initialise fLastStepLength and/or fAuxSteppe << 163 - Initialise fLastStepLength and/or fAuxStepper data members in
474 in constructors of G4DormandPrince745 and G4 164 in constructors of G4DormandPrince745 and G4FSALDormandPrince745.
475 Coverity issues: 67394 (G4FSALDormandPrince7 165 Coverity issues: 67394 (G4FSALDormandPrince745)
476 67391 (G4DormandPrince7 166 67391 (G4DormandPrince745)
477 167
478 Nov 14, 2017 J. Apostolakis - fiel 168 Nov 14, 2017 J. Apostolakis - field-V10-03-27 (fixed)
479 --------------------------- - fiel 169 --------------------------- - field-V10-03-26
480 - G4ChordFinder: changes in default stepper & 170 - G4ChordFinder: changes in default stepper & driver in 2nd constructor.
481 in which only a magnetic field is provided ( 171 in which only a magnetic field is provided (used widely) :
482 << 172
483 * Reinstated G4DormandPrince745 (5th order) 173 * Reinstated G4DormandPrince745 (5th order) as default in G4ChordFinder.
484 (corrected -23, which missed to initialise 174 (corrected -23, which missed to initialise driver.)
485 175
486 * New templated driver G4IntegrationDriver i << 176 * New templated driver G4IntegrationDriver is chosen for the
487 the simple constuctors of G4ChordFinder an 177 the simple constuctors of G4ChordFinder and G4FieldManager
488 which only require a (pure) magnetic field 178 which only require a (pure) magnetic field. ( Details below.)
489 179
490 Additional information and details: 180 Additional information and details:
491 * New optional parameter to constructor of G 181 * New optional parameter to constructor of G4ChordFinder which
492 allow to create an FSAL stepper and corres 182 allow to create an FSAL stepper and corresponding driver instead.
493 This aims to reuse some derivatives, thus 183 This aims to reuse some derivatives, thus reducing computations
494 of derivatives and thus field evaluations. 184 of derivatives and thus field evaluations. )
495 185
496 * The templated 'driver' classes, available << 186 * The templated 'driver' classes, available and now chosen in
497 G4ChordFinder's 2nd constructor, are used 187 G4ChordFinder's 2nd constructor, are used per type of stepper
498 class: 188 class:
499 - G4IntegrationDriver for non-FSAL 189 - G4IntegrationDriver for non-FSAL steppers
500 - G4FSALIntegrationDriver for FSAL-capab 190 - G4FSALIntegrationDriver for FSAL-capable steppers
501 These make non-virtual calls to the steppe 191 These make non-virtual calls to the stepper, as they know its type.
502 192
503 - First fix in G4FSALDormandPrince745 for memo << 193 - First fix in G4FSALDormandPrince745 for memory leak, missing
504 delete[] fInitialDyDx in destructor. Coverit 194 delete[] fInitialDyDx in destructor. Coverity issue: 96383.
505 195
506 ---------------------------------------------- 196 ----------------------------------------------------------------------
507 Multiple tags (below) were to better test step 197 Multiple tags (below) were to better test stepper/driver combinations:
508 Date Tagger Tag name Stepper 198 Date Tagger Tag name Stepper Driver
509 ============================================== 199 ======================================================================
510 Nov 3, D. Sorokin field-V10-03-25 G4FSALBo << 200 Nov 3, D. Sorokin field-V10-03-25 G4FSALBogackiShampine45 FSAL
511 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDo 201 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDormandPrince745 FSAL ok
512 Nov 2, J. Apostolakis field-V10-03-23 G4Dorman << 202 Nov 2, J. Apostolakis field-V10-03-23 G4DormandPrince745 new
513 Nov 2, J. Apostolakis field-V10-03-22 G4RK547F 203 Nov 2, J. Apostolakis field-V10-03-22 G4RK547FEq1 FSAL ok
514 ---------------------------------------------- 204 ----------------------------------------------------------------------
515 Glossary of drivers: 205 Glossary of drivers:
516 the FSAL driver = using G4FSALIntegrationDr 206 the FSAL driver = using G4FSALIntegrationDriver (templated)
517 the new driver = using G4IntegrationDriver 207 the new driver = using G4IntegrationDriver (templated)
518 ============================================== 208 ===================================================================
519 209
520 Nov 2, 2017 D. Sorokin - fiel 210 Nov 2, 2017 D. Sorokin - field-V10-03-21
521 --------------------------------------- 211 ---------------------------------------
522 - Added new steppers G4RK547FEq{1,2,3} which i << 212 - Added new steppers G4RK547FEq{1,2,3} which implement 7 stage embedded
523 Runge-Kutta 4,5 pairs with: 213 Runge-Kutta 4,5 pairs with:
524 - FSAL property (return derivative at end 214 - FSAL property (return derivative at endpoint for use in next step),
525 - stable equilibrium states ( improved ha 215 - stable equilibrium states ( improved handling of difficulties in
526 integration: better stability in choo 216 integration: better stability in choosing step size. )
527 Each one can be used with all existing Runge 217 Each one can be used with all existing Runge-Kutta drivers:
528 - G4FSALIntegrationDriver, using its FSAL 218 - G4FSALIntegrationDriver, using its FSAL property;
529 - G4IntegrationDriver without its FSAL 219 - G4IntegrationDriver without its FSAL property.
530 - the original G4MagInt_Driver, also igno 220 - the original G4MagInt_Driver, also ignoring FSAL.
531 221
532 - Reinstated G4DormandPrince745 ( known widel 222 - Reinstated G4DormandPrince745 ( known widely as DOPRI5 ) as
533 the default RK method in G4ChordFinder for p 223 the default RK method in G4ChordFinder for pure magnetic fields.
534 ( Withdrew G4BogackiShampine45. ) J. Apos 224 ( Withdrew G4BogackiShampine45. ) J. Apostolakis
535 << 225
536 Nov 1, 2017 J. Apostolakis - fiel 226 Nov 1, 2017 J. Apostolakis - field-V10-03-20
537 --------------------------- 227 ---------------------------
538 - Made G4BogackiShampine45 the default RK meth 228 - Made G4BogackiShampine45 the default RK method in G4ChordFinder
539 for pure magnetic fields. 229 for pure magnetic fields.
540 230
541 Oct 30, 2017 D. Sorokin/J.Apostolakis - fiel 231 Oct 30, 2017 D. Sorokin/J.Apostolakis - field-V10-03-19
542 --------------------------------------- 232 ---------------------------------------
543 - add GetStepper method to G4VIntegrationDrive 233 - add GetStepper method to G4VIntegrationDriver for backward compatibility
544 234
545 Oct 20, 2017 D. Sorokin - fiel 235 Oct 20, 2017 D. Sorokin - field-V10-03-18
546 --------------------------------------- 236 ---------------------------------------
547 Introduced base class for any driver algorithm 237 Introduced base class for any driver algorithm (G4VIntegrationDriver)
548 New concrete classes added: 238 New concrete classes added:
549 - G4IntegrationDriver: implementation of templ 239 - G4IntegrationDriver: implementation of templated driver algorithm
550 for non-fsal explicit Runge-Kutta steppers 240 for non-fsal explicit Runge-Kutta steppers
551 - G4FSALIntegrationDriver: implementation of d 241 - G4FSALIntegrationDriver: implementation of driver algorithm for
552 FSAL explicit Runge-Kutta steppers. 242 FSAL explicit Runge-Kutta steppers.
553 Existing class G4MagInt_Drv remains, deriving 243 Existing class G4MagInt_Drv remains, deriving from base class.
554 244
555 - Expanded testing in testProElectroMagField ( 245 - Expanded testing in testProElectroMagField (higher precision, new driver)
556 ( J. Apostolakis) 246 ( J. Apostolakis)
557 247
558 Oct 13, 2017 D. Sorokin - fiel 248 Oct 13, 2017 D. Sorokin - field-V10-03-17
559 --------------------------------------- 249 ---------------------------------------
560 - add G4FieldUtils.hh, G4FieldUtils.icc, G4Fie << 250 - add G4FieldUtils.hh, G4FieldUtils.icc, G4FieldUtils.cc:
561 utilities to extract data from arrays in con << 251 utilities to extract data from arrays in conventions of the
562 magneticfield integration. 252 magneticfield integration.
563 253
564 Oct 13, 2017 G. Cosmo - fiel 254 Oct 13, 2017 G. Cosmo - field-V10-03-16
565 --------------------------------------- 255 ---------------------------------------
566 - G4NystromRK4: use consistenly G4 types for d 256 - G4NystromRK4: use consistenly G4 types for double and bool in G4NystromRK4.
567 257
568 Aug 31, 2017 J. Apostolakis - fiel 258 Aug 31, 2017 J. Apostolakis - field-V10-03-15
569 --------------------------------------- 259 ---------------------------------------
570 - Made G4DormandPrince457 the default Stepper 260 - Made G4DormandPrince457 the default Stepper for magnetic fields in
571 G4ChordFinder - when a driver/stepper is not 261 G4ChordFinder - when a driver/stepper is not specified.
572 262
573 Aug 31, 2017 J. Apostolakis - fiel 263 Aug 31, 2017 J. Apostolakis - field-V10-03-14
574 --------------------------------------- 264 ---------------------------------------
575 - G4NystromRK4: used caching of momentum magni 265 - G4NystromRK4: used caching of momentum magnitude ( & its inverse)
576 to reduce overhead of fix in field-V10-03-10 266 to reduce overhead of fix in field-V10-03-10.
577 267
578 Aug 25, 2017 J. Apostolakis - fiel 268 Aug 25, 2017 J. Apostolakis - field-V10-03-12, 13
579 --------------------------------------- 269 ---------------------------------------
580 - G4MagInt_Driver: added GetEquationOfMotion m 270 - G4MagInt_Driver: added GetEquationOfMotion method for enabling common
581 code with future develoment. 271 code with future develoment.
582 272
583 Aug 24, 2017 D.Sorokin & J. Apostolakis - fiel 273 Aug 24, 2017 D.Sorokin & J. Apostolakis - field-V10-03-11
584 --------------------------------------- 274 ---------------------------------------
585 - G4NystromRK4: correction in call to getField 275 - G4NystromRK4: correction in call to getField: needs p[4], not p[3]
586 ( Spotted by D. Sorokin ) 276 ( Spotted by D. Sorokin )
587 Also small cleanup of testing code into 2 sm 277 Also small cleanup of testing code into 2 small new methods.
588 ( J. Apostolakis ) 278 ( J. Apostolakis )
589 279
590 Aug 23, 2017 J.Apostolakis - fiel 280 Aug 23, 2017 J.Apostolakis - field-V10-03-10
591 -------------------------- 281 --------------------------
592 - G4NystromRK4 - Fix the caching of momentum, 282 - G4NystromRK4 - Fix the caching of momentum, field location & value.
593 Fixes issue reported by ALICE ( problem repo 283 Fixes issue reported by ALICE ( problem report #1996 ).
594 Thanks to Ruben Shahoyan for identifying and 284 Thanks to Ruben Shahoyan for identifying and reporting the issue!
595 - Temporarly made G4NystromRK4 the default Ste 285 - Temporarly made G4NystromRK4 the default Stepper in G4ChordFinder's 2nd
596 constructor (to ensure adequate testing). 286 constructor (to ensure adequate testing).
597 287
598 Jul 04, 2017 J.Apostolakis - field 288 Jul 04, 2017 J.Apostolakis - field-V10-03-09
599 -------------------------- 289 --------------------------
600 - G4DormandPrinceRK78: initialise fLastStepLen 290 - G4DormandPrinceRK78: initialise fLastStepLength and/or fAuxStepper data
601 members in constructor. Coverity issue: 6739 291 members in constructor. Coverity issue: 67398,
602 Improved description and reference to origin 292 Improved description and reference to original 1981 DP paper.
603 - G4MagIntegratorDriver: initialised fNoCalls 293 - G4MagIntegratorDriver: initialised fNoCalls in c-tor. Coverity #15158.
604 294
605 Jul 03, 2017 J.Apostolakis - field 295 Jul 03, 2017 J.Apostolakis - field-V10-03-08
606 -------------------------- 296 --------------------------
607 - G4FSALBogackiShampline45: initialise 'bi[][] 297 - G4FSALBogackiShampline45: initialise 'bi[][]' const coefficients only 1 time
608 in method PrepareConstants() called by const 298 in method PrepareConstants() called by constructor.
609 ( Similar to G4BogackiShampine => seek con 299 ( Similar to G4BogackiShampine => seek consolidation )
610 Small fix: initialise fAuxStepper to nullptr 300 Small fix: initialise fAuxStepper to nullptr, if not primary.
611 ( Part of Coverity issue 67394 ) 301 ( Part of Coverity issue 67394 )
612 - G4DormandPrinceRK56: fix for significant mem 302 - G4DormandPrinceRK56: fix for significant memory leak of ak10_low buffer
613 space in SetupInterpolate_low(), apparently 303 space in SetupInterpolate_low(), apparently not seen by Coverity
614 because it was initialised in each use, not 304 because it was initialised in each use, not in constructor!
615 Improved initialisation of ak10, 11, 12 (mov 305 Improved initialisation of ak10, 11, 12 (moved to constructor)
616 and fixed small memory leak (added deletion 306 and fixed small memory leak (added deletion in destructor).
617 - G4MagIntegratorStepper: initialise fNoRHSCal 307 - G4MagIntegratorStepper: initialise fNoRHSCalls & fIntegrationOrder in c-tor.
618 ( fIntegrationOrder is not yet used widely - 308 ( fIntegrationOrder is not yet used widely - future migration )
619 Coverity issue 67392. 309 Coverity issue 67392.
620 - G4VFSALIntegrationStepper: initialise counte 310 - G4VFSALIntegrationStepper: initialise counter in c-tor. Coverity issue 67396.
621 - G4BogackiShampine23: initialised fIsFSAL, fI 311 - G4BogackiShampine23: initialised fIsFSAL, fIntegrationOrder in c-tor.
622 Suppressed obsolete virtual method isFSAL, 312 Suppressed obsolete virtual method isFSAL,
623 Deleted duplicate virtual method 'isFSAL()'. 313 Deleted duplicate virtual method 'isFSAL()'. Non-virtual method IsFSAL()
624 now exists in base class G4MagIntegratorStep 314 now exists in base class G4MagIntegratorStepper.
625 Made copy constructor and equal operator pri 315 Made copy constructor and equal operator private and not unimplemented.
626 Added explanatory comments in source file; c 316 Added explanatory comments in source file; can make this method FSAL easily
627 (it calculates derivative @ endpoint. ) 317 (it calculates derivative @ endpoint. )
628 - Several steppers ( G4DoLoMcPriRK34, G4FSALBo 318 - Several steppers ( G4DoLoMcPriRK34, G4FSALBogackiShampine45,
629 G4DormandPrince745, G4BogackiShampine45 ): i 319 G4DormandPrince745, G4BogackiShampine45 ): initialise fLastStepLength and/or
630 fAuxStepper data members in constructor. 320 fAuxStepper data members in constructor.
631 Coverity issues: 67393, 67394, 67391, 67390, 321 Coverity issues: 67393, 67394, 67391, 67390, 67363
632 322
633 Jul 03, 2017 J.Apostolakis - field << 323 Jul 03, 2017 J.Apostolakis - field-V10-03-05, -06, -07
634 -------------------------- 324 --------------------------
635 - fix for memory leak in Stepper() in two step 325 - fix for memory leak in Stepper() in two steppers:
636 G4FSALBogackiShampline45 ( Coverity issue 326 G4FSALBogackiShampline45 ( Coverity issue 67389 )
637 G4FSALDormandPrince745 ( Coverity issue 327 G4FSALDormandPrince745 ( Coverity issue 67397 )
638 - G4BogackiShampline23: fix for memory leak in 328 - G4BogackiShampline23: fix for memory leak in destructor
639 ( Coverity issue 67355 ) 329 ( Coverity issue 67355 )
640 330
641 May 17, 2017 J.Apostolakis - field 331 May 17, 2017 J.Apostolakis - field-V10-03-03, -04 (resubmit)
642 -------------------------- 332 --------------------------
643 - G4FieldManager::SetDetectorField 333 - G4FieldManager::SetDetectorField
644 Fixed default of 'fail mode' parameter in << 334 Fixed default of 'fail mode' parameter in
645 to 0 (silent) - not 1 which was used for 335 to 0 (silent) - not 1 which was used for debugging.
646 In case of existing G4ChordFinder, use 'max' 336 In case of existing G4ChordFinder, use 'max' (1, failMode) not min.
647 337
648 338
649 May 11, 2017 J.Apostolakis - field 339 May 11, 2017 J.Apostolakis - field-V10-03-02
650 -------------------------- << 340 --------------------------
651 - Reintroduced changes of field-V10-01-05, 06 341 - Reintroduced changes of field-V10-01-05, 06 and 07 to address
652 issue recalled by ATLAS. 342 issue recalled by ATLAS.
653 - New fixes/refinements (since field-V10-01-07 343 - New fixes/refinements (since field-V10-01-07)
654 o Extra check for missing equation. (Fix) 344 o Extra check for missing equation. (Fix)
655 o Renamed G4FieldManager::SetFieldChangesEne 345 o Renamed G4FieldManager::SetFieldChangesEnergy() method to
656 InitialiseFieldChangesEnergy() to clarify 346 InitialiseFieldChangesEnergy() to clarify its utility.
657 - Original functionality change (copied from f 347 - Original functionality change (copied from field-V10-01-05, & -07) :
658 o G4FieldManager.cc : Revised behaviour of S 348 o G4FieldManager.cc : Revised behaviour of SetDetector - it now
659 passes the Field to the Equation, as is th 349 passes the Field to the Equation, as is the natural user expectation
660 The previous behaviour is possible, using 350 The previous behaviour is possible, using extra argument 'failMode' flag.
661 Values: 0 = silent ; << 351 Values: 0 = silent ;
662 1 (default) = warning; << 352 1 (default) = warning;
663 2 or other = fatal except 353 2 or other = fatal exception.
664 354
665 This change is to ensure that user expecta << 355 This change is to ensure that user expectation is met:
666 if the field is changed for an existing, w << 356 if the field is changed for an existing, working stepper it must
667 be propagated to the equation of motion. 357 be propagated to the equation of motion.
668 Note: this causes potential conflict betwe 358 Note: this causes potential conflict between the type of the equation
669 and the field, which will need to be 359 and the field, which will need to be solved in the future.
670 Old behaviour (just set our own pointer) i 360 Old behaviour (just set our own pointer) is still available in new method:
671 ProposeDetectorField(G4Field *detectorFiel << 361 ProposeDetectorField(G4Field *detectorField)
672 Note: Error reporting behaviour of SetDete << 362 Note: Error reporting behaviour of SetDetector is 'soft'. It does not
673 complain by default if ChordFinder i 363 complain by default if ChordFinder is not (yet) set.
674 ( The default values of failMode = 0 364 ( The default values of failMode = 0 i.e. quiet. )
675 If a chord-finder exists, it will still wa 365 If a chord-finder exists, it will still warn for other errors.
676 To obtain have noisy extra checks call Set 366 To obtain have noisy extra checks call SetDetectorField with failMode > 0
677 or by using the new method for an existing 367 or by using the new method for an existing field:
678 ChangeDetectorField(G4Field *detectorField << 368 ChangeDetectorField(G4Field *detectorField)
679 OLD: Co-works and requires new tag in geomet 369 OLD: Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
680 370
681 Mar 22, 2017 G.Cosmo - fiel 371 Mar 22, 2017 G.Cosmo - field-V10-03-01
682 --------------------- 372 ---------------------
683 - Revert change made in previous tag and add s 373 - Revert change made in previous tag and add simple accessor to return
684 singleton pointer. 374 singleton pointer.
685 375
686 Mar 17, 2017 G.Cosmo - fiel 376 Mar 17, 2017 G.Cosmo - field-V10-03-00
687 --------------------- 377 ---------------------
688 - Define G4FieldManagerStore as normal singlet 378 - Define G4FieldManagerStore as normal singleton and corrected destructor.
689 379
690 Oct 7, 2016 J.Apostolakis - fiel 380 Oct 7, 2016 J.Apostolakis - field-V10-02-24, 25
691 --------------------------- 381 ---------------------------
692 - Checked loops for termination for infinite l << 382 - Checked loops for termination for infinite loops and annotated
693 them with "Loop checking" comment 383 them with "Loop checking" comment
694 384
695 Oct 7, 2016 D.Sorokin - fiel 385 Oct 7, 2016 D.Sorokin - field-V10-02-23
696 ----------------------- Commit: J. Apostolaki 386 ----------------------- Commit: J. Apostolakis
697 - Protection for multiple inclusion of G4Class << 387 - Protection for multiple inclusion of G4ClassicalRK4
698 (thanks to Dmitrii Sorokin, GSoC 2016 stude 388 (thanks to Dmitrii Sorokin, GSoC 2016 student. )
699 389
700 Aug 16, 2016 J.Apostolakis - fiel 390 Aug 16, 2016 J.Apostolakis - field-V10-02-22
701 --------------------------- 391 ---------------------------
702 - Added initialization of fAuxStepper in const << 392 - Added initialization of fAuxStepper in constructor of
703 G4DoLoMcPriRK34, G4DormandPrince745 & G4Dorm 393 G4DoLoMcPriRK34, G4DormandPrince745 & G4DormandPrinceRK56.
704 394
705 June 11, 2016 J.Apostolakis - fiel 395 June 11, 2016 J.Apostolakis - field-V10-02-21
706 --------------------------- 396 ---------------------------
707 - Restored G4ClassicalRK4 as default stepper f 397 - Restored G4ClassicalRK4 as default stepper for B-field,
708 (due to performance issues reported in bench 398 (due to performance issues reported in benchmarking.)
709 << 399
710 June 10, 2016 G.Cosmo - fiel 400 June 10, 2016 G.Cosmo - field-V10-02-20
711 --------------------- 401 ---------------------
712 - Fixed code indentation in G4HelixMixedSteppe 402 - Fixed code indentation in G4HelixMixedStepper;
713 fixes compilation warnings on gcc-6.1. 403 fixes compilation warnings on gcc-6.1.
714 404
715 June 1, 2016 J.Apostolakis - fiel 405 June 1, 2016 J.Apostolakis - field-V10-02-19, 18, 17
716 -------------------------- 406 --------------------------
717 - Fix in multiple steppers for the size of two 407 - Fix in multiple steppers for the size of two C-arrays which hold
718 intermediate values; they must be at least 408 intermediate values; they must be at least 8 and at least
719 'fNumberOfStateVariables' long. << 409 'fNumberOfStateVariables' long.
720 Changed: G4CashKarp, << 410 Changed: G4CashKarp,
721 G4BogackiShampine 23 & 34 411 G4BogackiShampine 23 & 34
722 G4DormandPrince 745, RK56 & RK78 412 G4DormandPrince 745, RK56 & RK78
723 G4DoLoMcPriRK34 413 G4DoLoMcPriRK34
724 G4FSALBogackiShampine45, G4FSALDorm 414 G4FSALBogackiShampine45, G4FSALDormandPrince745
725 - Made G4CashKarp the default stepper in G4Cho 415 - Made G4CashKarp the default stepper in G4ChordFinder.
726 - Deleted trial class G4NewChordFinder. 416 - Deleted trial class G4NewChordFinder.
727 417
728 June 1, 2016 J.Apostolakis - fiel 418 June 1, 2016 J.Apostolakis - field-V10-02-16
729 -------------------------- 419 --------------------------
730 - Deleted test code (RkTestRun) due to cmake i 420 - Deleted test code (RkTestRun) due to cmake issues
731 421
732 June 1, 2016 J.Apostolakis - fiel 422 June 1, 2016 J.Apostolakis - field-V10-02-15 (also -14)
733 -------------------------- 423 --------------------------
734 - Made G4ClassicalRK4 the default stepper agai 424 - Made G4ClassicalRK4 the default stepper again in G4ChordFinder
735 - Fixes in test code (RkTestRun) for new names 425 - Fixes in test code (RkTestRun) for new names of classes.
736 << 426
737 May 31, 2016 J.Apostolakis - fiel 427 May 31, 2016 J.Apostolakis - field-V10-02-13 (also -12)
738 -------------------------- 428 --------------------------
739 - New class G4NewChordFinder, that uses old G4 429 - New class G4NewChordFinder, that uses old G4MagIntegratorDriver or
740 the newer G4FSALIntegratorDriver -- first 430 the newer G4FSALIntegratorDriver -- first try, for testing FSAL.
741 Created new test testNewChordFinder.cc to ch 431 Created new test testNewChordFinder.cc to checks this.
742 432
743 - Renamed new Stepper classes to use 'G4' pref 433 - Renamed new Stepper classes to use 'G4' prefix, including
744 DormandPrince{745,RK56,RK67} TsitourasRK45 434 DormandPrince{745,RK56,RK67} TsitourasRK45 and DoLoMcPriRK34
745 435
746 - Renamed FSAL base classes to use 'G4' prefix 436 - Renamed FSAL base classes to use 'G4' prefix & 'Integrat-ion'
747 FSALMagIntegratorStepper to G4VFSALIntegr 437 FSALMagIntegratorStepper to G4VFSALIntegrationStepper
748 FSALIntegratorDriver to G4FSALIntegr 438 FSALIntegratorDriver to G4FSALIntegrationDriver
749 and the experimental FSAL versions of steppe 439 and the experimental FSAL versions of steppers,
750 FBogackiShampine45.hh to G4FSALBogackiS 440 FBogackiShampine45.hh to G4FSALBogackiShampine45.hh
751 FDormandPrince745.hh to G4FSALDormandP 441 FDormandPrince745.hh to G4FSALDormandPrince745.hh
752 ( Note: FSAL steppers remain 'behind' the impr 442 ( Note: FSAL steppers remain 'behind' the improved non-FSAL versions.)
753 443
754 - Made DormandPrince745 (DP45) the default ste 444 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
755 << 445
756 May 26, 2016 J.Apostolakis & Som. Banerjee - 446 May 26, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-11
757 ------------------------------------------ 447 ------------------------------------------
758 - First version of FSAL classes (as additional 448 - First version of FSAL classes (as additional classes)
759 FSAL Integrator Driver : New *concrete*, << 449 FSAL Integrator Driver : New *concrete*, stand-alone driver
760 FSAL Integrator Stepper : New base class ( 450 FSAL Integrator Stepper : New base class (separate from G4MagIntegratorStepper)
761 FBogackiShampine45: FSAL-version of Bogac 451 FBogackiShampine45: FSAL-version of BogackiShampine45 stepper
762 FDormandPrince745: FSAL-version of FDorm 452 FDormandPrince745: FSAL-version of FDormandPrince745 stepper
763 Developed by Somnath Banerjee in GSoC 2015 453 Developed by Somnath Banerjee in GSoC 2015
764 454
765 Context: 455 Context:
766 * FSAL Stepper's key 'Stepper()' method for St 456 * FSAL Stepper's key 'Stepper()' method for Stepping has additional
767 argument to return the derivative at the e 457 argument to return the derivative at the end of a step.
768 If the step was successful, this estimate 458 If the step was successful, this estimate has the same order of
769 accuracy as the stepper (i.e. 5th order fo 459 accuracy as the stepper (i.e. 5th order for a 5th order stepper.)
770 460
771 - FSAL Driver method uses the revised Stepper 461 - FSAL Driver method uses the revised Stepper interface, using
772 the final (endpoint) derivative for succes 462 the final (endpoint) derivative for successful steps
773 as the start derivative for the next step, 463 as the start derivative for the next step, in case of
774 continuing of integration. 464 continuing of integration.
775 465
776 - New test (RkTestRun.cc) covering FSAL method 466 - New test (RkTestRun.cc) covering FSAL methods, integration
777 Developed by Somnath Banerjee in GSoC 2015 467 Developed by Somnath Banerjee in GSoC 2015
778 468
779 May 26, 2016 J.Apostolakis - 469 May 26, 2016 J.Apostolakis - field-V10-02-10
780 -------------------------- 470 --------------------------
781 Preparation for addition of FSAL steppers (& d 471 Preparation for addition of FSAL steppers (& driver)
782 - G4MagIntegratorStepper: Added counter for ca << 472 - G4MagIntegratorStepper: Added counter for calls to equation RHS,
783 with Get/Reset methods. 473 with Get/Reset methods.
784 - Cosmetic fixes in sources.cmake (tabs to spa 474 - Cosmetic fixes in sources.cmake (tabs to spaces)
785 475
786 May 25, 2016 J.Apostolakis & Som. Banerjee - 476 May 25, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-09
787 ------------------------------------------ 477 ------------------------------------------
788 - Added new stepper classes embedded RK method 478 - Added new stepper classes embedded RK method:
789 * DoLoMcPriRK34, 6-stage 3/4 RK (interp 479 * DoLoMcPriRK34, 6-stage 3/4 RK (interpolation)
790 * DormandPrinceRK56, 9-stage 5/6 RK (interp 480 * DormandPrinceRK56, 9-stage 5/6 RK (interpolation, FSAL-able) "6(5)"
791 * DormandPrinceRK78, 13-stage 7/8 RK (interp 481 * DormandPrinceRK78, 13-stage 7/8 RK (interpolation) "8(7) 13M"
792 created by Somnath Banerjee as part of GSoC 482 created by Somnath Banerjee as part of GSoC 2015.
793 483
794 May 25, 2016 J.Apostolakis - field 484 May 25, 2016 J.Apostolakis - field-V10-02-08
795 -------------------------- 485 --------------------------
796 - Revised testPropagateMagField, to reduce err 486 - Revised testPropagateMagField, to reduce error severity for over-long
797 steps. An error message is still written 487 steps. An error message is still written if move > (1.+1.0e-9) * step,
798 but test does not stop. 488 but test does not stop.
799 489
800 - G4HelixMixedStepper: Fixes & added new (5th 490 - G4HelixMixedStepper: Fixes & added new (5th order) stepper choices.
801 Included (G4)Bogacki-Shampine 23/45 , Dor 491 Included (G4)Bogacki-Shampine 23/45 , DormandPrince745,
802 and newest TsitourasRK45. 492 and newest TsitourasRK45.
803 493
804 May 24, 2016 J.Apostolakis - field 494 May 24, 2016 J.Apostolakis - field-V10-02-06, 07
805 -------------------------- 495 --------------------------
806 - Added TsitourasRK45 stepper. 496 - Added TsitourasRK45 stepper.
807 - Made Cash-Karp the default stepper (in G4Cho 497 - Made Cash-Karp the default stepper (in G4ChordFinder).
808 << 498
809 May 23, 2016 J.Apostolakis - field 499 May 23, 2016 J.Apostolakis - field-V10-02-05
810 -------------------------- 500 --------------------------
811 - Made DormandPrince745 (DP45) the default ste 501 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
812 << 502
813 May 20, 2016 J.Apostolakis - field 503 May 20, 2016 J.Apostolakis - field-V10-02-04
814 ------------------------- 504 -------------------------
815 - Added steppers created by Somnath Banerjee a 505 - Added steppers created by Somnath Banerjee as part of GSoC 2015,
816 G4BogackiShampine23 (BS23 below), G4Bogack 506 G4BogackiShampine23 (BS23 below), G4BogackiShampine45 (BS45) and
817 DormandPrince745 (DP45). 507 DormandPrince745 (DP45).
818 These implement third order (BS23) and fifth 508 These implement third order (BS23) and fifth order (BS45, DP45)
819 embedded RK tableaus. 509 embedded RK tableaus.
820 - DP45 includes interpolation method, to evalu 510 - DP45 includes interpolation method, to evaluate the interpolant
821 ('y') at intermediate points of a successf 511 ('y') at intermediate points of a successful step.
822 BS45's interpolation method exists, but is n 512 BS45's interpolation method exists, but is not validated (fails).
823 513
824 References: 514 References:
825 - BS45 is embedded pair from paper by P. Bog 515 - BS45 is embedded pair from paper by P. Bogacki and L. F. Shampine:
826 “An efficient Runge-Kutta (4,5) pair, 516 “An efficient Runge-Kutta (4,5) pair,”
827 Comput. Math. with Appl., vol. 32, no. 6 517 Comput. Math. with Appl., vol. 32, no. 6, pp. 15–28, Sep. 1996.
828 - BS23 is four stage RK method from the pape 518 - BS23 is four stage RK method from the paper of P. Bogacki and L. F. Shampine,
829 “A 3(2) pair of Runge - Kutta formulas << 519 “A 3(2) pair of Runge - Kutta formulas,”
830 Appl. Math. Lett., vol 2, no 4, p.321 (1 520 Appl. Math. Lett., vol 2, no 4, p.321 (1989).
831 - DP45 are from Table 2 of J. R. Dormand an << 521 - DP45 are from Table 2 of J. R. Dormand and P. J. Prince's
832 “A family of embedded Runge-Kutta form 522 “A family of embedded Runge-Kutta formulae,”
833 Journal of comput. and applied Math., vo << 523 Journal of comput. and applied Math., vol. 6, no. 1, pp. 19–26, 1980.
834 524
835 May 4, 2016 G.Cosmo - field- 525 May 4, 2016 G.Cosmo - field-V10-02-03
836 ------------------- 526 -------------------
837 - Fixed Clone() signatures in derived Field cl 527 - Fixed Clone() signatures in derived Field classes.
838 More corrections on implementations of opera 528 More corrections on implementations of operator=() and copy-ctors.
839 529
840 Apr 29, 2016 G.Cosmo - field- 530 Apr 29, 2016 G.Cosmo - field-V10-02-02
841 -------------------- 531 --------------------
842 - Corrected implementation of operator=() and 532 - Corrected implementation of operator=() and copy-ctor for G4Field,
843 G4ElectroMagneticField, G4ElectricField and 533 G4ElectroMagneticField, G4ElectricField and G4CachedMagneticField.
844 534
845 Feb 25, 2016 P.Gumplinger - field- 535 Feb 25, 2016 P.Gumplinger - field-V10-02-01
846 ------------------------- 536 -------------------------
847 - address Problem Report: 1831 537 - address Problem Report: 1831
848 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin 538 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin, G4EqEMFieldWithEDM and
849 G4RepleteEofM.cc from g_BMT = (magMo 539 G4RepleteEofM.cc from g_BMT = (magMoment/muB)/spin
850 to g_BMT = (std:: 540 to g_BMT = (std::abs(magMoment)/muB)/spin
851 541
852 542
853 Dec 11, 2015 A.Dotti - field-V10-02-0 543 Dec 11, 2015 A.Dotti - field-V10-02-00
854 -------------------------- 544 --------------------------
855 Fixing typo in tests/CMakeList.txt file: subdi << 545 Fixing typo in tests/CMakeList.txt file: subdirecotry()
856 instead of add_subdirectory() 546 instead of add_subdirectory()
857 547
858 Nov 2, 2015 J.Apostolakis - field 548 Nov 2, 2015 J.Apostolakis - field-V10-01-15 (fixed)
859 Oct 22, 2015 J.Apostolakis - field 549 Oct 22, 2015 J.Apostolakis - field-V10-01-14
860 -------------------------- 550 --------------------------
861 - Reverted changes in G4FieldManager from tag 551 - Reverted changes in G4FieldManager from tags field-V10-01-05 to -07
862 inadvertently reintroduced in tag field-V10 552 inadvertently reintroduced in tag field-V10-01-13
863 (fixed in tag -15: committed new copy from 553 (fixed in tag -15: committed new copy from tag -04 'on top')
864 << 554
865 - Added explanation comment in G4MagHelicalSte 555 - Added explanation comment in G4MagHelicalSteper.
866 << 556
867 Oct 13, 2015 J.Apostolakis - field 557 Oct 13, 2015 J.Apostolakis - field-V10-01-13
868 -------------------------- 558 --------------------------
869 - G4ChordFinder::FindNextChord: Added check ag << 559 - G4ChordFinder::FindNextChord: Added check against number of iterations,
870 to identify potential issue of lack of conve 560 to identify potential issue of lack of convergence.
871 - test: fixed testProElectricMagField.cc 561 - test: fixed testProElectricMagField.cc
872 562
873 - Note: tag-13 inadvertently reintroduced chan 563 - Note: tag-13 inadvertently reintroduced changes from tags field-V10-01-05 to -07
874 564
875 Jun 26, 2015 P.Gumplinger - field 565 Jun 26, 2015 P.Gumplinger - field-V10-01-12, 11
876 ------------------------- 566 -------------------------
877 - Include 'NumberOfVariables' in G4RepleteEofM 567 - Include 'NumberOfVariables' in G4RepleteEofM constructor argument list.
878 568
879 Jun 22, 2015 G.Cosmo - field 569 Jun 22, 2015 G.Cosmo - field-V10-01-10
880 -------------------- 570 --------------------
881 - Withdrawn also changes introduced in tag "fi 571 - Withdrawn also changes introduced in tag "field-V10-01-08", as
882 responsible for memory violation errors in V 572 responsible for memory violation errors in Valgrind.
883 Now corresponding to tag "field-V10-01-04". 573 Now corresponding to tag "field-V10-01-04".
884 574
885 Jun 18, 2015 G.Cosmo - field 575 Jun 18, 2015 G.Cosmo - field-V10-01-09
886 -------------------- 576 --------------------
887 - Withdrawn changes introduced from tag "field 577 - Withdrawn changes introduced from tag "field-V10-01-05" to tag
888 "field-V10-01-07" included, responsible for 578 "field-V10-01-07" included, responsible for failures on SLC6 and
889 run-time errors on Valgrind checks. 579 run-time errors on Valgrind checks.
890 580
891 Jun 10, 2015 P.Gumplinger - field 581 Jun 10, 2015 P.Gumplinger - field-V10-01-08
892 ------------------------- 582 -------------------------
893 - initialize all elements of dydx[] in G4Reple 583 - initialize all elements of dydx[] in G4RepleteEofM::EvaluateRhsGivenB
894 Thanks to Tatsuya Kikawa (Osaka Univ.) 584 Thanks to Tatsuya Kikawa (Osaka Univ.)
895 585
896 Jun 10, 2015 J.Apostolakis - field 586 Jun 10, 2015 J.Apostolakis - field-V10-01-07
897 -------------------------- 587 --------------------------
898 - G4FieldManager.cc : Made behaviour of SetDet 588 - G4FieldManager.cc : Made behaviour of SetDetector 'softer'. No
899 longer complains by default if ChordFinder 589 longer complains by default if ChordFinder is not (yet) set.
900 ( The default values of failMode = 0 i.e. 590 ( The default values of failMode = 0 i.e. quiet. )
901 If a chord-finder exists, it will still war 591 If a chord-finder exists, it will still warn for other errors.
902 << 592
903 It is still possible to have louder/extra c 593 It is still possible to have louder/extra checks done calling
904 SetDetectorField with failMode > 0 594 SetDetectorField with failMode > 0
905 or by using a new method, which expects an 595 or by using a new method, which expects an existing field:
906 ChangeDetectorField(G4Field *detectorFiel << 596 ChangeDetectorField(G4Field *detectorField)
907 597
908 Jun 8, 2015 J.Apostolakis - field 598 Jun 8, 2015 J.Apostolakis - field-V10-01-05, (-06 fixed)
909 -------------------------- 599 --------------------------
910 - G4FieldManager.cc : Revised behaviour of Set 600 - G4FieldManager.cc : Revised behaviour of SetDetector - it now
911 passes the Field to the Equation, as is the 601 passes the Field to the Equation, as is the natural user expectation
912 The previous behaviour is possible, using e << 602 The previous behaviour is possible, using extra argument 'failMode'
913 flag. Values: 0 = silent ; << 603 flag. Values: 0 = silent ;
914 1 (default) = warning; << 604 1 (default) = warning;
915 2 or other = fatal except 605 2 or other = fatal exception.
916 Or can use alternative (new) suggestion met 606 Or can use alternative (new) suggestion method ProposeDetectorField();
917 607
918 This change is to ensure that user expectat << 608 This change is to ensure that user expectation is met:
919 if the field is changed for an existing, << 609 if the field is changed for an existing, working stepper it must
920 be propagated to the equation of motion. 610 be propagated to the equation of motion.
921 Note: this causes potential conflict betwee 611 Note: this causes potential conflict between the type of the equation
922 and the field, which will need to be 612 and the field, which will need to be solved in the future.
923 613
924 Old behaviour (just set our own pointer) is 614 Old behaviour (just set our own pointer) is still available in new method:
925 ProposeDetectorField(G4Field *detectorFie << 615 ProposeDetectorField(G4Field *detectorField)
926 616
927 Co-works and requires new tag in geometry/n 617 Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
928 618
929 Jun 4, 2015 P. Gumplinger - field 619 Jun 4, 2015 P. Gumplinger - field-V10-01-04
930 ------------------------- 620 -------------------------
931 - change assignment to field instead of Field 621 - change assignment to field instead of Field array in G4RepleteEofM.cc
932 622
933 Jan 28, 2015 J.Apostolakis - field 623 Jan 28, 2015 J.Apostolakis - field-V10-01-01 (-02,03 fixed)
934 -------------------------- 624 -------------------------- ( History )
935 - Revert unintended inclusion of changes in G4 625 - Revert unintended inclusion of changes in G4MagIntegratorDriver
936 626
937 Jan 15, 2015 J.Apostolakis - field << 627 Jan 15, 2015 J.Apostolakis - field-V10-01-00
938 -------------------------- 628 --------------------------
939 - Small refinements in G4FieldTrack - access r 629 - Small refinements in G4FieldTrack - access rest mass, avoid div by 0
940 Avoid division by zero for Unit direction << 630 Avoid division by zero for Unit direction in FieldTrack
941 Added method to get Rest Mass. 631 Added method to get Rest Mass.
942 Needed for fixes related to Problem report 1 632 Needed for fixes related to Problem report 1696.
943 Thanks to Nathan S. Froemming <nfroemm@uw.ed 633 Thanks to Nathan S. Froemming <nfroemm@uw.edu> who reported the issue
944 and created dedicated test to demonstrate i 634 and created dedicated test to demonstrate it.
945 635
946 Nov 03, 2014 G.Cosmo - field 636 Nov 03, 2014 G.Cosmo - field-V10-00-04
947 -------------------- 637 --------------------
948 - Moved constructors and simple methods to in 638 - Moved constructors and simple methods to in line in G4ChargeState and
949 G4LineSection for CPU speedup (courtesy of S 639 G4LineSection for CPU speedup (courtesy of S.Wenzel).
950 640
951 May 21, 2014 J.Apostolakis - field 641 May 21, 2014 J.Apostolakis - field-V10-00-03
952 -------------------------- 642 --------------------------
953 - G4FieldTrack: 643 - G4FieldTrack:
954 * Fixed SetChargeAndMoments() to use the new 644 * Fixed SetChargeAndMoments() to use the new method
955 G4ChargeState::SetChargesAndMoments(); it 645 G4ChargeState::SetChargesAndMoments(); it was changing spin, because of
956 erroneous change in G4ChargeState::SetChar 646 erroneous change in G4ChargeState::SetChargesAndMoments(), that method
957 is now renamed SetChargeSpinMoments() to s 647 is now renamed SetChargeSpinMoments() to show what it does;
958 * Added pdg-spin as argument to constructors 648 * Added pdg-spin as argument to constructors (needed to track polarization);
959 * Renamed 'spin' to 'Polarization' in method 649 * Renamed 'spin' to 'Polarization' in method, arguments, data member to
960 avoid confusion; 650 avoid confusion;
961 * Revised constructors to add pdg-spin as la 651 * Revised constructors to add pdg-spin as last argument (with default -1).
962 - G4ChargeState: 652 - G4ChargeState:
963 - Addressed Coverity issue #56281 'Arguments << 653 - Addressed Coverity issue #56281 'Arguments in wrong order'
964 G4ChargeState::SetChargeMoments() when use 654 G4ChargeState::SetChargeMoments() when used in
965 G4FieldTrack::SetChargeMoments() from addi 655 G4FieldTrack::SetChargeMoments() from addition of spin to arguments,
966 without revising name of method to reflect 656 without revising name of method to reflect it;
967 - Changed order of arguments in constructor, 657 - Changed order of arguments in constructor, making spin 3rd argument
968 (was 2nd) and making all arguments mandato 658 (was 2nd) and making all arguments mandatory;
969 - Renamed SetChargeAndMoments() method with 659 - Renamed SetChargeAndMoments() method with 5 arguments including spin (2nd)
970 to SetChargeSpinMoments(); 660 to SetChargeSpinMoments();
971 - Added new methods including SetChargesAndM 661 - Added new methods including SetChargesAndMoments(), SetChargeMdm(),
972 SetChargeDipoleMoments() (no spin), and al 662 SetChargeDipoleMoments() (no spin), and also SetChargeSpin(),
973 SetChargeMdmSpin() (which includes spin) t << 663 SetChargeMdmSpin() (which includes spin) to provide most/all potential
974 combinations. 664 combinations.
975 - G4MagIntegratorDriver::OneGoodStep(): 665 - G4MagIntegratorDriver::OneGoodStep():
976 * Trial changes to address Valgrind issue, a 666 * Trial changes to address Valgrind issue, about value used before being set.
977 667
978 Apr 01, 2014 J.Apostolakis - fi 668 Apr 01, 2014 J.Apostolakis - field-V10-00-02
979 -------------------------- 669 --------------------------
980 - Moved G4FieldTrack::LoadFromArray() to .cc a 670 - Moved G4FieldTrack::LoadFromArray() to .cc and removed non-necessary
981 thread-local static data local to the functi 671 thread-local static data local to the function.
982 672
983 Mar 14, 2014 J.Apostolakis - fi 673 Mar 14, 2014 J.Apostolakis - field-V10-00-01
984 -------------------------- 674 --------------------------
985 - Fix assignment operator for G4FieldTrack. (C 675 - Fix assignment operator for G4FieldTrack. (Copied Rest Mass)
986 - Improve printing of G4FieldTrack 676 - Improve printing of G4FieldTrack
987 677
988 Jan 17, 2014 P.Gumplinger - fi 678 Jan 17, 2014 P.Gumplinger - field-V10-00-00
989 ------------------------- 679 -------------------------
990 - add G4Mag_EqRhs::SetChargeMomentumMass( part 680 - add G4Mag_EqRhs::SetChargeMomentumMass( particleCharge, MomentumXc, mass)
991 to G4Mag_SpinEqRhs::SetChargeMomentumMass, s 681 to G4Mag_SpinEqRhs::SetChargeMomentumMass, see bug reported at:
992 http://hypernews.slac.stanford.edu/HyperNews 682 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/210.html
993 683
994 Nov 18, 2013 P.Gumplinger - fi 684 Nov 18, 2013 P.Gumplinger - field-V09-06-13/12
995 ------------------------- 685 -------------------------
996 - fix Coverity warning in G4RepleteEofM 686 - fix Coverity warning in G4RepleteEofM
997 687
998 Nov 17, 2013 J.Apostolakis << 688 Nov 17, 2013 J.Apostolakis
999 -------------------------- 689 --------------------------
1000 - Fixed and improved HelixMixed Stepper: 690 - Fixed and improved HelixMixed Stepper:
1001 Corrected the default stepper for small s 691 Corrected the default stepper for small steps to be ClassicalRK4.
1002 Added Angle-threshold parameter. (Default 692 Added Angle-threshold parameter. (Default remains 0.33 radians.)
1003 Added more Steppers, including G4NystromR 693 Added more Steppers, including G4NystromRK4.
1004 Revised Id numbers of Steppers, to make t 694 Revised Id numbers of Steppers, to make the best more visible.
1005 More comments in Stepper(). 695 More comments in Stepper().
1006 696
1007 Nov 05, 2013 P.Gumplinger - f 697 Nov 05, 2013 P.Gumplinger - field-V09-06-11
1008 ------------------------- 698 -------------------------
1009 - remove writing out-of-bounds dydx[8] = 0. i 699 - remove writing out-of-bounds dydx[8] = 0. in G4RepleteEofM.cc
1010 700
1011 Nov 04, 2013 P.Gumplinger - f 701 Nov 04, 2013 P.Gumplinger - field-V09-06-10
1012 ------------------------- 702 -------------------------
1013 - add G4RepleteEofM to sources.cmake 703 - add G4RepleteEofM to sources.cmake
1014 f 704 field-V09-06-09 - same as
1015 Nov 01st, 2013 P.Gumplinger - f 705 Nov 01st, 2013 P.Gumplinger - field-V09-06-08
1016 --------------------------- 706 ---------------------------
1017 - add G4RepleteEofM: EofM that includes force 707 - add G4RepleteEofM: EofM that includes force due to B, E, and gravity field
1018 as well as mu*grad(B) and spin tracking. 708 as well as mu*grad(B) and spin tracking.
1019 709
1020 May 10th, 2013 P.Gumplinger/J.Apostolakis - f 710 May 10th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-07
1021 ----------------------------------------- 711 -----------------------------------------
1022 - Revised number of field components (to allo 712 - Revised number of field components (to allow up to 24).
1023 18 are required for new applications (B, E 713 18 are required for new applications (B, E, Gravity, B-gradients)
1024 - Fixes for initialisation errors found by Co 714 - Fixes for initialisation errors found by Coverity.
1025 715
1026 May 10th, 2013 P.Gumplinger - field-V09-06-06 716 May 10th, 2013 P.Gumplinger - field-V09-06-06
1027 --------------------------- 717 ---------------------------
1028 - prevent divided by zero and shortcut spin t 718 - prevent divided by zero and shortcut spin tracking for spin == 0
1029 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldW 719 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc and
1030 G4EqEMFieldWithEDM.cc 720 G4EqEMFieldWithEDM.cc
1031 f << 721 field-V09-06-05 - same
1032 May 8th, 2013 P.Gumplinger/J.Apostolakis - f 722 May 8th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-04
1033 ----------------------------------------- 723 -----------------------------------------
1034 - Introduced new class G4ChargeState to hold 724 - Introduced new class G4ChargeState to hold charge, spin, magnetic moment
1035 (promoted from internal class of G4Field 725 (promoted from internal class of G4FieldTrack).
1036 - Changed the signature of EquationOfMotion:: 726 - Changed the signature of EquationOfMotion::SetChargeMomentumMass to
1037 take G4ChargeState in place of G4double (cha 727 take G4ChargeState in place of G4double (charge) as first argument.
1038 - Deleted SetChargeMomentumMass from G4ChordF 728 - Deleted SetChargeMomentumMass from G4ChordFinder, G4PropagatorInField,
1039 G4MagInt_Driver 729 G4MagInt_Driver
1040 730
1041 - Migrated testPropagateMagField and testProp 731 - Migrated testPropagateMagField and testPropagateSpin.
1042 732
1043 March 19th, 2013 G.Cosmo - field-V09-06-03, f 733 March 19th, 2013 G.Cosmo - field-V09-06-03, field-V09-06-02
1044 ------------------------- 734 -------------------------
1045 - Cleanup of MT changes in G4FieldManagerStor 735 - Cleanup of MT changes in G4FieldManagerStore.
1046 736
1047 February 26th, 2013 A.Dotti - field-V09-06-01 737 February 26th, 2013 A.Dotti - field-V09-06-01
1048 --------------------------- 738 ---------------------------
1049 - First implementation of Cloning mechanism ( 739 - First implementation of Cloning mechanism (needed for MT)
1050 740
1051 February 22nd, 2013 G.Cosmo - field-V09-06-00 741 February 22nd, 2013 G.Cosmo - field-V09-06-00
1052 --------------------------- 742 ---------------------------
1053 - Cleanup of unnecessary changes for multi-th 743 - Cleanup of unnecessary changes for multi-threading in G4QuadrupoleMagField.
1054 - Removed unused private data-members in G4Ma 744 - Removed unused private data-members in G4Mag_UsualEqRhs and G4RKG3_Stepper.
1055 745
1056 November 14th, 2012 P.Mato - field-V09-05-07 746 November 14th, 2012 P.Mato - field-V09-05-07
1057 -------------------------- 747 --------------------------
1058 - G4QuadrupoleMagField: allow displaced origi 748 - G4QuadrupoleMagField: allow displaced origin and rotation (Björn Riese)
1059 - Added G4SystemOfUnits.hh in unit tests 749 - Added G4SystemOfUnits.hh in unit tests
1060 750
1061 August 30th, 2012 P.Mato - field-V09-05-06 751 August 30th, 2012 P.Mato - field-V09-05-06
1062 ------------------------ 752 ------------------------
1063 - Adapted CMakeLists.txt files to new unit te 753 - Adapted CMakeLists.txt files to new unit tests
1064 754
1065 June 11th, 2012 G.Cosmo - field-V09-05-05 755 June 11th, 2012 G.Cosmo - field-V09-05-05
1066 ----------------------- 756 -----------------------
1067 - Explicitly use inclusion of headers for sys 757 - Explicitly use inclusion of headers for system of units and physical
1068 constants, in plan to remove implicit inclu 758 constants, in plan to remove implicit inclusion from globals.hh.
1069 759
1070 May 14th, 2012 G.Cosmo - field-V09-05-04 760 May 14th, 2012 G.Cosmo - field-V09-05-04
1071 ---------------------- 761 ----------------------
1072 - Fixed spurious case of hidden variable visi 762 - Fixed spurious case of hidden variable visibility in G4NystromRK4,
1073 detected with '-Wshadow' compilation option 763 detected with '-Wshadow' compilation option on gcc compiler.
1074 764
1075 February 3rd, 2012 J.Apostolakis - field-V09 765 February 3rd, 2012 J.Apostolakis - field-V09-05-03
1076 --------------------------------- 766 ---------------------------------
1077 - G4FieldTrack: << 767 - G4FieldTrack:
1078 Added new (inline) method to set the Rest << 768 Added new (inline) method to set the Rest Mass. Needed in order to
1079 reset this - and keep reuse the same G 769 reset this - and keep reuse the same G4FieldTrack in a client
1080 (across tracks.) 770 (across tracks.)
1081 Made SetCurvePnt() method private. 771 Made SetCurvePnt() method private.
1082 Simplified implementation of constructors << 772 Simplified implementation of constructors. Gain of 1 square root and
1083 1 division per call. 773 1 division per call.
1084 774
1085 February 3rd, 2012 G.Cosmo - field-V09-05-0 775 February 3rd, 2012 G.Cosmo - field-V09-05-02
1086 ---------------------------- 776 ----------------------------
1087 - Removed tests in CMakeLists.txt causing cat 777 - Removed tests in CMakeLists.txt causing catastrophic failure in system
1088 testing! 778 testing!
1089 779
1090 February 2nd, 2012 J.Apostolakis - field-V0 780 February 2nd, 2012 J.Apostolakis - field-V09-05-01
1091 ---------------------------------- 781 ----------------------------------
1092 - G4Mag_UsualEqRhs: in SetChargeMomentumMass( 782 - G4Mag_UsualEqRhs: in SetChargeMomentumMass() method, fixed problem with
1093 division by zero; stopped updating 'fInvCur 783 division by zero; stopped updating 'fInvCurrentMomentumXc' (data member
1094 is obsolete). 784 is obsolete).
1095 - Added tests in CMakeLists.txt 785 - Added tests in CMakeLists.txt
1096 786
1097 December 13th, 2011 G.Cosmo - field-V09-05-0 787 December 13th, 2011 G.Cosmo - field-V09-05-00
1098 ---------------------------- 788 ----------------------------
1099 - Fixed Coverity defects in G4SimpleRunge (re 789 - Fixed Coverity defects in G4SimpleRunge (removed spurious pointer
1100 data member) and G4FieldTrack (missing G4Ch 790 data member) and G4FieldTrack (missing G4ChargeState::operator=()).
1101 - Synchronised unit tests to trunk (new test 791 - Synchronised unit tests to trunk (new test field07 and minor updates).
1102 792
1103 November 11th, 2011 J.Apostolakis - field-V0 793 November 11th, 2011 J.Apostolakis - field-V09-04-06
1104 ---------------------------------- 794 ----------------------------------
1105 - Added G4Field.cc to list of files in source 795 - Added G4Field.cc to list of files in sources.cmake
1106 796
1107 November 4th, 2011 J.Apostolakis - field-V0 797 November 4th, 2011 J.Apostolakis - field-V09-04-05
1108 ---------------------------------- 798 ----------------------------------
1109 - G4Field: revised to improve ability to dete 799 - G4Field: revised to improve ability to detect gravity field:
1110 Added new data member to identify gravity f 800 Added new data member to identify gravity field;
1111 Added new method IsGravityActive() to acces 801 Added new method IsGravityActive() to access this data member;
1112 Created new source file: moving constructor 802 Created new source file: moving constructors to it.
1113 - Changed G4UniformGravityField and G4Electro << 803 - Changed G4UniformGravityField and G4ElectroMagneticField
1114 to accomodate this refinement. 804 to accomodate this refinement.
1115 805
1116 November 2nd, 2011 P.Gumplinger - field-V09- 806 November 2nd, 2011 P.Gumplinger - field-V09-04-04
1117 -------------------------------- 807 --------------------------------
1118 - update list of files in sources.cmake 808 - update list of files in sources.cmake
1119 809
1120 October 28th, 2011 P.Gumplinger - field-V09- 810 October 28th, 2011 P.Gumplinger - field-V09-04-03
1121 -------------------------------- 811 --------------------------------
1122 - Added (uniform) gravity field capability. << 812 - Added (uniform) gravity field capability.
1123 New classes G4EqGravityField, G4UniformGrav 813 New classes G4EqGravityField, G4UniformGravityField.
1124 814
1125 *Required* for co-working tag in Transporta 815 *Required* for co-working tag in Transportation
1126 816
1127 October 12th, 2011 P.Gumplinger - field-V09- 817 October 12th, 2011 P.Gumplinger - field-V09-04-02
1128 -------------------------------- 818 --------------------------------
1129 - replaced: omegac = 0.105658387*GeV/mass * 2 819 - replaced: omegac = 0.105658387*GeV/mass * 2.837374841e-3*(rad/cm/kilogauss)
1130 with: omegac = (eplus/particleMass)*c_l 820 with: omegac = (eplus/particleMass)*c_light
1131 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.c 821 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc
1132 changed calculation: << 822 changed calculation:
1133 std::sqrt(kineticEnergy*kineticEnergy + 823 std::sqrt(kineticEnergy*kineticEnergy + 2.0*restMass_c2*kineticEnergy);
1134 to: 824 to:
1135 std::sqrt(kineticEnergy*(kineticEnergy+2 825 std::sqrt(kineticEnergy*(kineticEnergy+2.0*restMass_c2))
1136 in G4FieldTrack.cc 826 in G4FieldTrack.cc
1137 827
1138 August 11th, 2011 G.Cosmo - field-V09-04-01 828 August 11th, 2011 G.Cosmo - field-V09-04-01
1139 -------------------------- 829 --------------------------
1140 - Migrated to new G4Exception scheme for warn 830 - Migrated to new G4Exception scheme for warnings and errors.
1141 - Defined scheme for warnings/errors coding: 831 - Defined scheme for warnings/errors coding:
1142 + 1xxx for warnings, 0xxx for errors. 832 + 1xxx for warnings, 0xxx for errors.
1143 Code numbering: 833 Code numbering:
1144 + 0001: not supported or implemented featur 834 + 0001: not supported or implemented features;
1145 + 0002: invalid setup/construct; 835 + 0002: invalid setup/construct;
1146 + 0003: invalid run condition; 836 + 0003: invalid run condition;
1147 + 1001: incorrect setup; automatically adap 837 + 1001: incorrect setup; automatically adapted.
1148 + 1002: notification. 838 + 1002: notification.
1149 839
1150 May 13th, 2011 J.Apostolakis 840 May 13th, 2011 J.Apostolakis
1151 ---------------------------- 841 ----------------------------
1152 - Added new class G4TrialsCounter for keeping 842 - Added new class G4TrialsCounter for keeping statistics of trials.
1153 - Avoid printing out pointer in G4CachedMagne 843 - Avoid printing out pointer in G4CachedMagneticField::ReportStatistics().
1154 - Updated unit tests. 844 - Updated unit tests.
1155 845
1156 May 12th, 2011 G.Cosmo - field-V09-04-00 846 May 12th, 2011 G.Cosmo - field-V09-04-00
1157 ----------------------- 847 -----------------------
1158 - Fixed compilation warnings from gcc-4.6.0 f 848 - Fixed compilation warnings from gcc-4.6.0 for variables set but not used.
1159 849
1160 May 5th, 2011 J.Apostolakis 850 May 5th, 2011 J.Apostolakis
1161 ---------------------------- 851 ----------------------------
1162 - Reordered data members to group invariants, 852 - Reordered data members to group invariants, field parameters, etc...
1163 853
1164 Sep 10th, 2010 J.Apostolakis - field-V09-03- 854 Sep 10th, 2010 J.Apostolakis - field-V09-03-03
1165 ----------------------------- 855 -----------------------------
1166 - Revised constructor of G4MagErrorStepper to 856 - Revised constructor of G4MagErrorStepper to add number of State variables
1167 - Corrected MagErrorStepper to copy State Var 857 - Corrected MagErrorStepper to copy State Variable to output
1168 - Enable G4ConstRK4 to copy remaining State V 858 - Enable G4ConstRK4 to copy remaining State Variables (must integrate 6)
1169 859
1170 Sep 10th, 2010 J.Apostolakis - field-V09-03- 860 Sep 10th, 2010 J.Apostolakis - field-V09-03-02
1171 ----------------------------- 861 -----------------------------
1172 - New class G4MonopoleEq for rhs of d(pc)/ds 862 - New class G4MonopoleEq for rhs of d(pc)/ds propagation in field
1173 in SI units (V.Grichine). 863 in SI units (V.Grichine).
1174 - Fixed passing of time in G4NystromRK4 864 - Fixed passing of time in G4NystromRK4
1175 865
1176 Jul 21st, 2010 T.Nikitina - field-V09-03-01 866 Jul 21st, 2010 T.Nikitina - field-V09-03-01
1177 -------------------------- 867 --------------------------
1178 - Fixed cases of memory corruption in G4RKG3_ 868 - Fixed cases of memory corruption in G4RKG3_Stepper.
1179 - Fixed case of unused array data member in G 869 - Fixed case of unused array data member in G4ExactHelixStepper.
1180 - Removed useless code never executed in G4Co 870 - Removed useless code never executed in G4ConstRK4::Stepper().
1181 - Fixed initialization in G4NystromRK4 constr 871 - Fixed initialization in G4NystromRK4 constructor.
1182 872
1183 Jul 14th, 2010 G.Cosmo - field-V09-03-00 873 Jul 14th, 2010 G.Cosmo - field-V09-03-00
1184 ----------------------- 874 -----------------------
1185 - Added dummy initialization of members in co 875 - Added dummy initialization of members in constructors for G4CashKarpRKF45,
1186 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMField 876 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMFieldWithSpin, G4ExactHelixStepper,
1187 G4FieldTrack, G4MagHelicalStepper, G4MagInt 877 G4FieldTrack, G4MagHelicalStepper, G4MagInt_Driver, G4Mag_EqRhs,
1188 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4Nystro 878 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4NystromRK4, G4RKG3_Stepper,
1189 G4UniformElectricField, G4UniformElectricFi 879 G4UniformElectricField, G4UniformElectricField.
1190 880
1191 Nov 12th, 2009 J.Apostolakis - field-V09-02- 881 Nov 12th, 2009 J.Apostolakis - field-V09-02-09
1192 ----------------------------- 882 -----------------------------
1193 - G4MagIntegratorDriver: activate check on i 883 - G4MagIntegratorDriver: activate check on integration error for spin.
1194 884
1195 Nov 12th, 2009 J.Apostolakis - field-V09-02- 885 Nov 12th, 2009 J.Apostolakis - field-V09-02-08
1196 ----------------------------- (fix only) 886 ----------------------------- (fix only)
1197 - G4Nystrom: Corrected interface method getF 887 - G4Nystrom: Corrected interface method getField: array now has explicit dimension[4]
1198 (Problem found by gcc 4.3 - i 888 (Problem found by gcc 4.3 - it checked indices used in inline method! )
1199 889
1200 Nov 6th, 2009 P.Gumplinger - field-V09-02-07 890 Nov 6th, 2009 P.Gumplinger - field-V09-02-07
1201 --------------------------- 891 ---------------------------
1202 - bug fix in G4EqEMFieldWithSpin and G4EqEMFi 892 - bug fix in G4EqEMFieldWithSpin and G4EqEMFieldWithEDM
1203 thanks to Hiromi Iinuma (KEK) see: 893 thanks to Hiromi Iinuma (KEK) see:
1204 http://hypernews.slac.stanford.edu/HyperNew 894 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/161.html
1205 895
1206 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 896 Nov 5th, 2009 J.Apostolakis - field-V09-02-06
1207 ---------------------------- 897 ----------------------------
1208 - G4MagIntegratorDriver.cc : Enabled call to 898 - G4MagIntegratorDriver.cc : Enabled call to ComputeRightHandSide
1209 - G4NystromRK4.cc : Disabled auxilia 899 - G4NystromRK4.cc : Disabled auxiliary code in Stepper (needed if
1210 ComputeRightHan 900 ComputeRightHandSide is not called.)
1211 901
1212 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 902 Nov 5th, 2009 J.Apostolakis - field-V09-02-05
1213 ---------------------------- 903 ----------------------------
1214 - Added new virtual method CalculateRightHand 904 - Added new virtual method CalculateRightHandSide to G4MagIntegratorStepper for use
1215 in caching momentum (and field value) b 905 in caching momentum (and field value) by G4NystromRK4
1216 Default implementation in G4MagIntegrat 906 Default implementation in G4MagIntegratorStepper calls RightHandSide inline method.
1217 - G4Nystrom: New Set/Get method for cache di 907 - G4Nystrom: New Set/Get method for cache distance.
1218 Changed private data members in 908 Changed private data members in G4NystromRK4.
1219 - G4MagIntegratorDriver: alternative call to 909 - G4MagIntegratorDriver: alternative call to ComputeRightHandSide is not used (in comment)
1220 As a result G4NystromRK4 operat << 910 As a result G4NystromRK4 operates without reusing
1221 911
1222 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 912 Nov 5th, 2009 J.Apostolakis - field-V09-02-04
1223 ---------------------------- 913 ----------------------------
1224 - G4CachedMagneticField: New Simple class to << 914 - G4CachedMagneticField: New Simple class to cache value of Magnetic Field.
1225 Speeds up code when calculation of field 915 Speeds up code when calculation of field value is complex.
1226 - G4NystromRK4 : New Stepper with Nys 916 - G4NystromRK4 : New Stepper with Nystrom for magnetic field
1227 with analytic estimation of integration << 917 with analytic estimation of integration error.
1228 Greatly reduces number of field value pe 918 Greatly reduces number of field value per step.
1229 - Revised testPropagateMagField to use Cached 919 - Revised testPropagateMagField to use Cached Quadrupole field,
1230 and to cover G4NystromRK4 and G4ConstRK4 920 and to cover G4NystromRK4 and G4ConstRK4.
1231 921
1232 Nov 4th, 2009 P.Gumplinger - field-V09-02-03 922 Nov 4th, 2009 P.Gumplinger - field-V09-02-03
1233 --------------------------- 923 ---------------------------
1234 - (minor change) remove comment from G4EqEMFi 924 - (minor change) remove comment from G4EqEMFieldWithSpin.cc
1235 add G4EqEMFieldWithEDM class: this is the R 925 add G4EqEMFieldWithEDM class: this is the RHS of EofM in a combined
1236 electric and magnetic field, with spin trac 926 electric and magnetic field, with spin tracking for both MDM and EDM terms.
1237 Thanks to Kevin Lynch, Phys. Dept. at Bosto 927 Thanks to Kevin Lynch, Phys. Dept. at Boston University.
1238 928
1239 May 18th, 2009 T.Nikitina - field-V09-02-02 929 May 18th, 2009 T.Nikitina - field-V09-02-02
1240 ------------------------- 930 -------------------------
1241 - Enhanced algorithm G4ChordFinder::ApproxCur 931 - Enhanced algorithm G4ChordFinder::ApproxCurvePointS() in order to speedup
1242 BrentLocator. 932 BrentLocator.
1243 933
1244 March 25th, 2009 G.Cosmo - field-V09-02-01 934 March 25th, 2009 G.Cosmo - field-V09-02-01
1245 ------------------------ 935 ------------------------
1246 - Some code cleanup and formatting... 936 - Some code cleanup and formatting...
1247 937
1248 March 6th, 2009 P.Gumplinger - field-V09-02-0 938 March 6th, 2009 P.Gumplinger - field-V09-02-00
1249 ---------------------------- 939 ----------------------------
1250 - Added 3rd term of BMT equation (Spin x Beta 940 - Added 3rd term of BMT equation (Spin x Beta x Efield) to G4EqEMFieldWithSpin,
1251 addresses emfields forum posting #155 (bug 941 addresses emfields forum posting #155 (bug report). Thanks to Kevin Lynch,
1252 Phys. Dept. at Boston University. 942 Phys. Dept. at Boston University.
1253 - Moved renormalization of spin from G4EqEMFi 943 - Moved renormalization of spin from G4EqEMFieldWithSpin and G4Mag_SpinEqRhs to
1254 G4ClassicalRK4 and G4SimpleHeum. 944 G4ClassicalRK4 and G4SimpleHeum.
1255 - Added Spin propagation errors to the criter 945 - Added Spin propagation errors to the criteria for 'OneGoodStep' in
1256 G4MagIntegratorDriver but actually don't ad 946 G4MagIntegratorDriver but actually don't add it (yet) to the decision logic.
1257 947
1258 November, 19th, 2008 P.Gumplinger - field-V0 948 November, 19th, 2008 P.Gumplinger - field-V09-01-05
1259 ---------------------------------- 949 ----------------------------------
1260 - Renormalized the spin to 1 in G4EqEMFieldWi 950 - Renormalized the spin to 1 in G4EqEMFieldWithSpin and G4Mag_SpinEqRhs.
1261 951
1262 November, 7th, 2008 P.Gumplinger - field-V0 952 November, 7th, 2008 P.Gumplinger - field-V09-01-04
1263 ---------------------------------- 953 ----------------------------------
1264 - Added SetAnomaly() and GetAnomaly() accesso 954 - Added SetAnomaly() and GetAnomaly() accessors to G4EqEMFieldWithSpin.
1265 955
1266 October, 28th, 2008 T.Nikitina - field-V09- 956 October, 28th, 2008 T.Nikitina - field-V09-01-03
1267 -------------------------------- 957 --------------------------------
1268 - Added 'ApproxCurveV' to method G4ChordFinde << 958 - Added 'ApproxCurveV' to method G4ChordFinder::ApproxCurvePointS() in
1269 order to better calculate the curve length. 959 order to better calculate the curve length.
1270 - Some code cleanup. 960 - Some code cleanup.
1271 961
1272 September, 18th, 2008 T.Nikitina 962 September, 18th, 2008 T.Nikitina
1273 ---------------------------------- 963 ----------------------------------
1274 - Added new stepper class G4ConstRK4, perform 964 - Added new stepper class G4ConstRK4, performing integration of one step
1275 with error calculation in constant magnetic 965 with error calculation in constant magnetic field; implementation derived
1276 from G4ClassicalRK4. 966 from G4ClassicalRK4.
1277 967
1278 July, 15th, 2008 J.Apostolakis - field-V09- 968 July, 15th, 2008 J.Apostolakis - field-V09-01-02
1279 -------------------------------- 969 --------------------------------
1280 - Revised signature of G4ChordFinder::FinderN 970 - Revised signature of G4ChordFinder::FinderNextChord(), making 'FieldTrack'
1281 argument passed a reference. 971 argument passed a reference.
1282 972
1283 May, 28th, 2008 T.Nikitina 973 May, 28th, 2008 T.Nikitina
1284 ---------------------------- 974 ----------------------------
1285 - G4ChordFinder: added new method ApproxCurve 975 - G4ChordFinder: added new method ApproxCurvePointS() using Brent second order
1286 location mechanism. 976 location mechanism.
1287 977
1288 April 24th, 2008 T.Nikitina - field-V09-01- 978 April 24th, 2008 T.Nikitina - field-V09-01-01
1289 ----------------------------- 979 -----------------------------
1290 - Fix 'unused' non-initialized values of dydx 980 - Fix 'unused' non-initialized values of dydx in G4EqMagElectricField
1291 and G4EqEMFieldWithSpin. 981 and G4EqEMFieldWithSpin.
1292 982
1293 January 17th, 2008 G.Cosmo - field-V09-01-0 983 January 17th, 2008 G.Cosmo - field-V09-01-00
1294 ---------------------------- 984 ----------------------------
1295 - G4CashKarpRKF45: deleted un-needed duplicat 985 - G4CashKarpRKF45: deleted un-needed duplicate (and unused) instance variable
1296 'fNumberOfVariables', already defined in G4M 986 'fNumberOfVariables', already defined in G4MagIntegratorStepper. (J.Ap.)
1297 - Some code cleanup. 987 - Some code cleanup.
1298 988
1299 December 7th, 2007 J.Apostolakis & T.Nikiti 989 December 7th, 2007 J.Apostolakis & T.Nikitina - field-V09-00-03
1300 --------------------------------------------- 990 -----------------------------------------------
1301 - New class G4FieldManagerStore. It enables r 991 - New class G4FieldManagerStore. It enables resetting of all chord
1302 finders' state. Needed to address problem r 992 finders' state. Needed to address problem reported by user.
1303 993
1304 September 9th, 2007 G.Cosmo - field-V09-00-0 994 September 9th, 2007 G.Cosmo - field-V09-00-02a
1305 ---------------------------- 995 ----------------------------
1306 - Some code cleanup in G4MagHelicalStepper.cc 996 - Some code cleanup in G4MagHelicalStepper.cc.
1307 997
1308 August 30th, 2007 P.Gumplinger - field-V09 998 August 30th, 2007 P.Gumplinger - field-V09-00-02
1309 --------------------------------- 999 ---------------------------------
1310 - Add G4EqEMFieldWithSpin class to allow trac 1000 - Add G4EqEMFieldWithSpin class to allow tracking of spin also in
1311 G4ElectroMagneticFields 1001 G4ElectroMagneticFields
1312 1002
1313 August 21st, 2007 T.Nikitina - field-V09-0 1003 August 21st, 2007 T.Nikitina - field-V09-00-01
1314 ------------------------------- 1004 -------------------------------
1315 - Fix to DistChord() method for Helical Stepp 1005 - Fix to DistChord() method for Helical Steppers: adopt 'special' case
1316 also for Ang<2pi not only for Ang<pi; use c 1006 also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
1317 improve CPU performance. 1007 improve CPU performance.
1318 - Improved AdvanceHelix() to be able to make 1008 - Improved AdvanceHelix() to be able to make half step and full step
1319 in one call. 1009 in one call.
1320 - In G4HelixMixedStepper added possibility to 1010 - In G4HelixMixedStepper added possibility to call different steppers for
1321 small steps and add some statistics how off 1011 small steps and add some statistics how offen different steppers are called.
1322 - G4RKG3_Stepper: improved internal algorithm 1012 - G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
1323 the stepper now gives comparable CPU perfor << 1013 the stepper now gives comparable CPU performance as ClassicalRK4.
1324 - Updated unit tests. 1014 - Updated unit tests.
1325 1015
1326 August 17th, 2007 G.Cosmo - field-V09-00-0 1016 August 17th, 2007 G.Cosmo - field-V09-00-00
1327 ---------------------------- 1017 ----------------------------
1328 - Changed FatalException to EventMustBeAborte 1018 - Changed FatalException to EventMustBeAborted in AccurateAdvance()
1329 if proposed integration step is negative. 1019 if proposed integration step is negative.
1330 1020
1331 June 8th, 2007 T.Nikitina - field-V08-03-0 1021 June 8th, 2007 T.Nikitina - field-V08-03-03
1332 ---------------------------- 1022 ----------------------------
1333 - Relaxed FatalException to Warning in G4MagI << 1023 - Relaxed FatalException to Warning in G4MagIntegratorDriver::AccurateAdvance()
1334 for case of step zero and return previous v << 1024 for case of step zero and return previous value. This fixes problem
1335 observed by ATLAS in release 8.3 when requi 1025 observed by ATLAS in release 8.3 when requiring very accurate propagation
1336 -- ie using very small values for acceptabl 1026 -- ie using very small values for acceptable integration error.
1337 1027
1338 May 18th, 2007 T.Nikitina - field-V08-03-0 1028 May 18th, 2007 T.Nikitina - field-V08-03-02
1339 ---------------------------- 1029 ----------------------------
1340 - New class G4HelixMixedStepper, mixing helic 1030 - New class G4HelixMixedStepper, mixing helical stepper and RK
1341 G4MagHelicalStepper 1031 G4MagHelicalStepper
1342 - Keep values of inverse Radius, .. 1032 - Keep values of inverse Radius, ..
1343 - New calculation of DistChord for SteppingAn 1033 - New calculation of DistChord for SteppingAngle > pi
1344 G4RKG3Stepper 1034 G4RKG3Stepper
1345 - New calculation of DistChord for SteppingAn 1035 - New calculation of DistChord for SteppingAngle > pi
1346 1036
1347 May 16th, 2007 G.Cosmo - field-V08-03-01 1037 May 16th, 2007 G.Cosmo - field-V08-03-01
1348 ------------------------- 1038 -------------------------
1349 - Introduced new class G4ErrorMag_UsualEqRhs 1039 - Introduced new class G4ErrorMag_UsualEqRhs used to reverse the magnetic
1350 field when propagation is backwards for err 1040 field when propagation is backwards for error propagation (by P.Arce).
1351 - Coworks with tag "global-V08-03-02". 1041 - Coworks with tag "global-V08-03-02".
1352 1042
1353 May 11th, 2007 G.Cosmo - field-V08-03-00 1043 May 11th, 2007 G.Cosmo - field-V08-03-00
1354 ------------------------- 1044 -------------------------
1355 - Use call to G4GeometryTolerance instead of 1045 - Use call to G4GeometryTolerance instead of kCarTolerance constant in
1356 G4MagIntegratorDriver. 1046 G4MagIntegratorDriver.
1357 - Requires tag "global-V08-03-00" and related 1047 - Requires tag "global-V08-03-00" and related tag set.
1358 1048
1359 May 10th, 2007 J.Apostolakis - field-V08-0 1049 May 10th, 2007 J.Apostolakis - field-V08-02-01
1360 ------------------------------- 1050 -------------------------------
1361 - G4MagIntegratorDriver: << 1051 - G4MagIntegratorDriver:
1362 * added protections against zero initial 1052 * added protections against zero initial or internal step h=0, (exceptions)
1363 * revised (re)calculation of h, and quit << 1053 * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12)
1364 1054
1365 April 26th, 2007 T.Nikitina - field-V08-02-0 1055 April 26th, 2007 T.Nikitina - field-V08-02-00
1366 ---------------------------- 1056 ----------------------------
1367 - Corrected integration constants in G4MagHel 1057 - Corrected integration constants in G4MagHelicalStepper
1368 - Added implementation of G4RKG3_Stepper, ste 1058 - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
1369 - Updated NTST unit test. New unit test "fiel 1059 - Updated NTST unit test. New unit test "field06" for comparison of steppers.
1370 1060
1371 November 14th, 2006 J.Apostolakis - field-V0 1061 November 14th, 2006 J.Apostolakis - field-V08-01-02
1372 ---------------------------------- 1062 ----------------------------------
1373 - G4MagIntegratorDriver 1063 - G4MagIntegratorDriver
1374 * Made first argument of GetDerivatives a r 1064 * Made first argument of GetDerivatives a reference - avoid copy
1375 - G4MagIntegratorStepper 1065 - G4MagIntegratorStepper
1376 * Include the SetEquationOfMotion() method << 1066 * Include the SetEquationOfMotion() method in G4MagIntegratorStepper
1377 (for Geant4e, as in field-V08-01-00) 1067 (for Geant4e, as in field-V08-01-00)
1378 * Update of disclaimers. 1068 * Update of disclaimers.
1379 1069
1380 November 13th, 2006 G.Cosmo - field-V08-01-0 1070 November 13th, 2006 G.Cosmo - field-V08-01-01
1381 ---------------------------- 1071 ----------------------------
1382 - G4FieldTrack: 1072 - G4FieldTrack:
1383 o Implemented missing definition for GetCha 1073 o Implemented missing definition for GetCharge().
1384 o Corrected 'const' qualifier for accessors 1074 o Corrected 'const' qualifier for accessors in the subclass.
1385 o Cleanup ... 1075 o Cleanup ...
1386 - NOTE: this tag is NOT including the change 1076 - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
1387 1077
1388 June 21st, 2006 J.Apostolakis - field-V08-01 1078 June 21st, 2006 J.Apostolakis - field-V08-01-00
1389 ------------------------------ 1079 ------------------------------
1390 - Including the SetEquationOfMotion() method 1080 - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
1391 1081
1392 June 22nd, 2006 J.Apostolakis - field-V08-00 1082 June 22nd, 2006 J.Apostolakis - field-V08-00-07
1393 ----------------------------- 1083 -----------------------------
1394 - G4ExactHelixStepper: reintroduced corrected << 1084 - G4ExactHelixStepper: reintroduced corrected class
1395 --> testPropagateMagField now tests it al 1085 --> testPropagateMagField now tests it also (added)
1396 - G4MagHelicalStepper: made Stepper virtual ( << 1086 - G4MagHelicalStepper: made Stepper virtual (for now)
1397 to enable G4ExactHelixStepper to 1087 to enable G4ExactHelixStepper to override it
1398 1088
1399 June 21st, 2006 J.Apostolakis - field-V08-00 1089 June 21st, 2006 J.Apostolakis - field-V08-00-06
1400 ----------------------------- 1090 -----------------------------
1401 - G4ExactHelixStepper: taking out class << 1091 - G4ExactHelixStepper: taking out class
1402 (provisional tag in case of difficulties w 1092 (provisional tag in case of difficulties with class, revisions)
1403 1093
1404 --- The field-V08-00-0x , x > 6, tags do not 1094 --- The field-V08-00-0x , x > 6, tags do not include the change below
1405 1095
1406 May 27th, 2006 J.Apostolakis - field-V08-00- 1096 May 27th, 2006 J.Apostolakis - field-V08-00-05
1407 ----------------------------- 1097 -----------------------------
1408 - G4FieldTrack: Fix for simple compilation er 1098 - G4FieldTrack: Fix for simple compilation error on Sun.
1409 1099
1410 May 23rd, 2006 J.Apostolakis - field-V08-00- 1100 May 23rd, 2006 J.Apostolakis - field-V08-00-04
1411 ----------------------------- 1101 -----------------------------
1412 - G4FieldTrack: Fix for memory leak for Charg 1102 - G4FieldTrack: Fix for memory leak for ChargeState
1413 Made G4ChargeState a data member (has an i 1103 Made G4ChargeState a data member (has an instance)
1414 1104
1415 May 18th, 2006 J.Apostolakis - field-V08-00- 1105 May 18th, 2006 J.Apostolakis - field-V08-00-03
1416 ----------------------------- 1106 -----------------------------
1417 - G4FieldTrack: Fix for issue with gcc 4.0 ( 1107 - G4FieldTrack: Fix for issue with gcc 4.0 (mac)
1418 1108
1419 May 16th, 2006 J.Apostolakis - field-V08-00- 1109 May 16th, 2006 J.Apostolakis - field-V08-00-02
1420 ----------------------------- 1110 -----------------------------
1421 - G4ExactHelixStepper 1111 - G4ExactHelixStepper
1422 Taken out alpha version - it was included << 1112 Taken out alpha version - it was included in error
1423 1113
1424 May 11th, 2006 J.Apostolakis - field-V08-00- 1114 May 11th, 2006 J.Apostolakis - field-V08-00-01
1425 ----------------------------- 1115 -----------------------------
1426 - G4FieldTrack 1116 - G4FieldTrack
1427 Significant, provisional change: 1117 Significant, provisional change:
1428 * Added charge and moments to FieldTrack << 1118 * Added charge and moments to FieldTrack
1429 (SetMethods, and pointer to embedde 1119 (SetMethods, and pointer to embedded class G4ChargeState)
1430 Technical revisions: 1120 Technical revisions:
1431 * New constructor, with charge and witho 1121 * New constructor, with charge and without velocity
1432 * New almost-default constructor (taking 1122 * New almost-default constructor (taking a character)
1433 Also: << 1123 Also:
1434 * New constructor to take const referenc 1124 * New constructor to take const reference to Spin
1435 * New implementation method UpdateFourMo 1125 * New implementation method UpdateFourMomentum
1436 * Streaming operator takes const referen << 1126 * Streaming operator takes const reference,
1437 and outputs momentum magnitude & dir 1127 and outputs momentum magnitude & direction magn.
1438 1128
1439 - G4ExactHelixStepper 1129 - G4ExactHelixStepper
1440 Included in error << 1130 Included in error
1441 1131
1442 Apr 6th, 2006 J.Apostolakis - field-V08-00-0 1132 Apr 6th, 2006 J.Apostolakis - field-V08-00-00
1443 ---------------------------- 1133 ----------------------------
1444 - In G4FieldManager 1134 - In G4FieldManager
1445 Added missing const GetChordFinder() method << 1135 Added missing const GetChordFinder() method -- Problem report #847
1446 Corrected description (at top of include fil 1136 Corrected description (at top of include file hh):
1447 - It is possible to set the field manager o 1137 - It is possible to set the field manager of a logical volume (since long)
1448 1138
1449 1139
1450 Nov 9th, 2005 G.Cosmo - field-V07-01-00 1140 Nov 9th, 2005 G.Cosmo - field-V07-01-00
1451 ---------------------- 1141 ----------------------
1452 - Archived source code of field01 unit test, 1142 - Archived source code of field01 unit test, now moved to examples/extended.
1453 - Migrated unit test NTST to use <sstream> an 1143 - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
1454 with G4VParticleChange new interface. 1144 with G4VParticleChange new interface.
1455 1145
1456 Dec 2nd, 2004 G.Cosmo - field-V06-02-02 1146 Dec 2nd, 2004 G.Cosmo - field-V06-02-02
1457 ---------------------- 1147 ----------------------
1458 - Implemented migration to <cmath> for standa 1148 - Implemented migration to <cmath> for standard mathematical functions.
1459 1149
1460 Dec 2nd, 2004 J.Apostolakis - field-V06-02-0 1150 Dec 2nd, 2004 J.Apostolakis - field-V06-02-01
1461 ---------------------------- 1151 ----------------------------
1462 - Improvements to comments in key Field class 1152 - Improvements to comments in key Field classes
1463 - Changes to test/NTST, renaming 'main()' fil 1153 - Changes to test/NTST, renaming 'main()' file & modifying input files
1464 - Several improvements to test files 1154 - Several improvements to test files
1465 testProElectroMagField.cc 1155 testProElectroMagField.cc
1466 * updating for new Electric Field inheri 1156 * updating for new Electric Field inheritance (& need for
1467 different ChordFinder creation ) 1157 different ChordFinder creation )
1468 * adding columns to print-outs in spin c 1158 * adding columns to print-outs in spin case for better diagnosis
1469 testPropagateMagField.cc 1159 testPropagateMagField.cc
1470 * Added verbosity level 1 to field Propa 1160 * Added verbosity level 1 to field Propagator, relabelled old method.
1471 testPropagateSpin.cc 1161 testPropagateSpin.cc
1472 * Added more printout of parameters (sta 1162 * Added more printout of parameters (state) of G4PropagatorInField
1473 and G4FieldManager before running each 1163 and G4FieldManager before running each test.
1474 test/NTST 1164 test/NTST
1475 * Renamed main() file to testNTST.cc and 1165 * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
1476 1166
1477 1167
1478 Oct 20th, 2004 P.Gumplinger - field-V06-02-0 1168 Oct 20th, 2004 P.Gumplinger - field-V06-02-00
1479 ---------------------------- 1169 ----------------------------
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi 1170 - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
1481 1171
1482 Feb 9th, 2004 G.Cosmo - field-V06-00-00 1172 Feb 9th, 2004 G.Cosmo - field-V06-00-00
1483 ---------------------- 1173 ----------------------
1484 - G4UniformMagField.cc: added missing impleme 1174 - G4UniformMagField.cc: added missing implementation for
1485 GetConstantFieldValue(). Fixes bug report # 1175 GetConstantFieldValue(). Fixes bug report #575.
1486 1176
1487 Nov 13th, 2003 J.Apostolakis - field-V05-02- 1177 Nov 13th, 2003 J.Apostolakis - field-V05-02-08
1488 ----------------------------- 1178 -----------------------------
1489 - G4ChordFinder: << 1179 - G4ChordFinder:
1490 o extended the arguments of AdvanceChordLim 1180 o extended the arguments of AdvanceChordLimited and FindNextChord
1491 adding the current safety sphere (origin, 1181 adding the current safety sphere (origin, radius), for use in optimising.
1492 o fixed set functions which had side effect 1182 o fixed set functions which had side effect (on first fraction.)
1493 - Added new class G4ChordFinderSaf (using abo 1183 - Added new class G4ChordFinderSaf (using above)
1494 o which uses safety to create longer chords << 1184 o which uses safety to create longer chords, so enabling
1495 propagation in fewer steps --> performa 1185 propagation in fewer steps --> performance optimisation
1496 - G4FieldManager: << 1186 - G4FieldManager:
1497 Changed default accuracy parameters to mu 1187 Changed default accuracy parameters to much better values:
1498 Epsilon Min Default to 5.0e-5 from 1188 Epsilon Min Default to 5.0e-5 from 5.0e-7 (too small)
1499 Epsilon Max Default to 0.001 from 1189 Epsilon Max Default to 0.001 from 0.05 (far too big)
1500 1190
1501 Nov 7th, 2003 J.Apostolakis - field-V05-02- 1191 Nov 7th, 2003 J.Apostolakis - field-V05-02-07
1502 ----------------------------- 1192 -----------------------------
1503 - G4ChordFinder << 1193 - G4ChordFinder
1504 o Made this a base class 1194 o Made this a base class
1505 * to enable specialised implementations 1195 * to enable specialised implementations
1506 * virtual methods: FindNextChord, PrintSt 1196 * virtual methods: FindNextChord, PrintStatistics)
1507 * new method AccumulateStatistics to aid 1197 * new method AccumulateStatistics to aid in this
1508 1198
1509 o New default value of 1199 o New default value of Accuracy!!
1510 Delta Chord to 0.25 mm (from 1200 Delta Chord to 0.25 mm (from 3.00 mm) <-----
1511 << 1201
1512 - G4FieldManager 1202 - G4FieldManager
1513 o Changed default values of 1203 o Changed default values of
1514 Delta One Step to 0.010 mm (from 1204 Delta One Step to 0.010 mm (from 0.25 mm) <-----
1515 Delta Intersection to 0.001 mm (from 1205 Delta Intersection to 0.001 mm (from 0.10 mm) <-----
1516 for increased default accuracy 1206 for increased default accuracy
1517 o Use field's DoesFieldChangesEnergy method 1207 o Use field's DoesFieldChangesEnergy method to set relevant member variable
1518 1208
1519 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1209 Nov 7th, 2003 J.Apostolakis - field-V05-02-06
1520 ---------------------------- 1210 ----------------------------
1521 - G4ChordFinder 1211 - G4ChordFinder
1522 Created new class members for parameters u 1212 Created new class members for parameters used in heuristics:
1523 fFirstFraction for first st 1213 fFirstFraction for first step
1524 fFractionLast fraction of 1214 fFractionLast fraction of last step, if redoing
1525 fFractionNextEstimate confidence i 1215 fFractionNextEstimate confidence in step est from chord
1526 fMultipleRadius for small ra 1216 fMultipleRadius for small radii of curve
1527 New method to Print Statistics. 1217 New method to Print Statistics.
1528 Verbosity to enable optional printing of s 1218 Verbosity to enable optional printing of stats in destructor.
1529 1219
1530 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1220 Nov 7th, 2003 J.Apostolakis - field-V05-02-05
1531 ---------------------------- 1221 ----------------------------
1532 - G4ChordFinder 1222 - G4ChordFinder
1533 o Added simple statistics (with access meth 1223 o Added simple statistics (with access methods)
1534 - test/NTST 1224 - test/NTST
1535 o Added new test, taken from D. Williams' e 1225 o Added new test, taken from D. Williams' exampleNTST
1536 modified and maintained by J. Apostolaki << 1226 modified and maintained by J. Apostolakis
1537 1227
1538 Nov 5th, 2003 J.Apostolakis - field-V05-02-0 1228 Nov 5th, 2003 J.Apostolakis - field-V05-02-04
1539 ---------------------------- 1229 ----------------------------
1540 - G4FieldManager 1230 - G4FieldManager
1541 o Added Get/Set Min/Max imumEpsilonStep 1231 o Added Get/Set Min/Max imumEpsilonStep
1542 o Added fEpsilonMin fEpsilonMax & default t << 1232 o Added fEpsilonMin fEpsilonMax & default to member variables.
1543 >> Now these can be tailored for different 1233 >> Now these can be tailored for different parts of a detector or setup
1544 1234
1545 - G4Field G4ElectroMagneticField G4MagneticFi 1235 - G4Field G4ElectroMagneticField G4MagneticField
1546 o Adding the virtual method DoesFieldChan 1236 o Adding the virtual method DoesFieldChangeEnergy() [to be used later]
1547 o So that G4ElectroMagneticField derives fr 1237 o So that G4ElectroMagneticField derives from G4Field
1548 and G4MagneticField derives from G4Electr 1238 and G4MagneticField derives from G4ElectroMagneticField
1549 1239
1550 - G4MagErrorStepper and derived classes 1240 - G4MagErrorStepper and derived classes
1551 (G4ClassicalRK4 G4SimpleRunge G4ExplicitE 1241 (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
1552 o the constructors take G4EquationOfMotion 1242 o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
1553 as it these applicable to all types of eq << 1243 as it these applicable to all types of equations
1554 (not just ones for Magnetic field) 1244 (not just ones for Magnetic field)
1555 1245
1556 - G4EqMagElectricField 1246 - G4EqMagElectricField
1557 o derives from G4EquationOfMotion 1247 o derives from G4EquationOfMotion
1558 1248
1559 - G4ChordFinder 1249 - G4ChordFinder
1560 o Moved simple constructor to .cc file (tog 1250 o Moved simple constructor to .cc file (together with 'complex' one)
1561 o Changed fDefaultDeltaChord to a constant 1251 o Changed fDefaultDeltaChord to a constant member variable (from class var.)
1562 1252
1563 Nov 4th, 2003 G.Cosmo - field-V05-02-03 1253 Nov 4th, 2003 G.Cosmo - field-V05-02-03
1564 ---------------------- 1254 ----------------------
1565 Undocumented. 1255 Undocumented.
1566 1256
1567 Nov 4th, 2003 G.Cosmo - field-V05-02-02 1257 Nov 4th, 2003 G.Cosmo - field-V05-02-02
1568 ---------------------- 1258 ----------------------
1569 - G4ChordFinder.cc: 1259 - G4ChordFinder.cc:
1570 o Fixed compilation problem occuring when G 1260 o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
1571 1261
1572 Oct 31st, 2003 G.Cosmo - field-V05-02-01 1262 Oct 31st, 2003 G.Cosmo - field-V05-02-01
1573 ----------------------- 1263 -----------------------
1574 - Code cleanup and removal of redundant heade 1264 - Code cleanup and removal of redundant header includes, replaced
1575 where necessary by forward declarations. 1265 where necessary by forward declarations.
1576 1266
1577 Oct 24th, 2003 G.Cosmo - field-V05-02-00 1267 Oct 24th, 2003 G.Cosmo - field-V05-02-00
1578 ----------------------- 1268 -----------------------
1579 - Migrated to use new G4Exception scheme. 1269 - Migrated to use new G4Exception scheme.
1580 - Updated outputs of unit tests. 1270 - Updated outputs of unit tests.
1581 1271
1582 Jun 25th, 2003 J.Apostolakis - field-V05-01- 1272 Jun 25th, 2003 J.Apostolakis - field-V05-01-06
1583 ----------------------------- 1273 -----------------------------
1584 - Suppressed printing of statistics (by defau 1274 - Suppressed printing of statistics (by default) in MagIntegrationDriver.
1585 - Fix for unused variables warning in ChordFi 1275 - Fix for unused variables warning in ChordFinder.
1586 1276
1587 Jun 24th, 2003 J.Apostolakis - field-V05-01- 1277 Jun 24th, 2003 J.Apostolakis - field-V05-01-05
1588 ----------------------------- 1278 -----------------------------
1589 - Fix for problems introduced in field-V05-01 1279 - Fix for problems introduced in field-V05-01-03:
1590 o G4ChordFinder: 1280 o G4ChordFinder:
1591 - Fixed unitialised variable for next ste 1281 - Fixed unitialised variable for next step (now used for optimisation).
1592 - Protected assignment of 'fLastStepEstim 1282 - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
1593 unitialised value. 1283 unitialised value.
1594 1284
1595 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1285 Jun 21st, 2003 J.Apostolakis - field-V05-01-04
1596 ----------------------------- 1286 -----------------------------
1597 - G4FieldManager: 1287 - G4FieldManager:
1598 o Revised into 'slightly' abstract class wi 1288 o Revised into 'slightly' abstract class with one (new) virtual method:
1599 ConfigureForTrack( const G4Track *) 1289 ConfigureForTrack( const G4Track *)
1600 to enable the user to configure it with d 1290 to enable the user to configure it with different accuracy parameters
1601 depending on energy, particle id, volume, 1291 depending on energy, particle id, volume, or other track state.
1602 Currently by default, no such configurati 1292 Currently by default, no such configuration action is undertaken.
1603 1293
1604 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1294 Jun 21st, 2003 J.Apostolakis - field-V05-01-03
1605 ----------------------------- 1295 -----------------------------
1606 - Revised G4ChordFinder: 1296 - Revised G4ChordFinder:
1607 * FindNextChord now provides next Step esti 1297 * FindNextChord now provides next Step estimate (for accuracy in Integr.)
1608 * AdvanceChordLimited to use 1298 * AdvanceChordLimited to use
1609 - above extra argument to FindNextChord 1299 - above extra argument to FindNextChord
1610 - the next Step argument as initial-step 1300 - the next Step argument as initial-step suggested to Accurate Advance
1611 - G4MagIntegratorDriver: 1301 - G4MagIntegratorDriver:
1612 * Added extra argument to Accurate Advance: 1302 * Added extra argument to Accurate Advance:
1613 hinitial: suggested initial step size 1303 hinitial: suggested initial step size
1614 - Note: 1304 - Note:
1615 * Purpose: performance boost with small/li << 1305 * Purpose: performance boost with small/limited changes,
1616 including minor revisions of interfaces. 1306 including minor revisions of interfaces.
1617 1307
1618 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1308 Jun 20th, 2003 J.Apostolakis - field-V05-01-02
1619 ----------------------------- 1309 -----------------------------
1620 - G4MagIntegratorDriver Quick Advance: 1310 - G4MagIntegratorDriver Quick Advance:
1621 o Took out two unneccessary square roots an 1311 o Took out two unneccessary square roots and two divisions.
1622 - Notes: 1312 - Notes:
1623 1) Pure magnetic, electric, spin field test 1313 1) Pure magnetic, electric, spin field test are completed.
1624 2) Purpose: performance boost with small c 1314 2) Purpose: performance boost with small changes.
1625 1315
1626 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1316 Jun 20th, 2003 J.Apostolakis - field-V05-01-01
1627 ----------------------------- 1317 -----------------------------
1628 - G4MagIntegratorDriver: 1318 - G4MagIntegratorDriver:
1629 o Corrected neglected conversion to <std> f 1319 o Corrected neglected conversion to <std> from "G4std".
1630 - Migrated unit tests to <std>. 1320 - Migrated unit tests to <std>.
1631 1321
1632 Jun 19th, 2003 J.Apostolakis - field-V05-01- 1322 Jun 19th, 2003 J.Apostolakis - field-V05-01-00
1633 ----------------------------- << 1323 -----------------------------
1634 - G4ChordFinder: 1324 - G4ChordFinder:
1635 o Corrected simple constructor to initialis 1325 o Corrected simple constructor to initialise several member variables
1636 including LastStepEstimate_Unconstrained. 1326 including LastStepEstimate_Unconstrained.
1637 - G4MagIntegratorDriver: 1327 - G4MagIntegratorDriver:
1638 o Keep simple statistics on number of steps 1328 o Keep simple statistics on number of steps, total error and step size.
1639 o Took out an unneccessary square root (in 1329 o Took out an unneccessary square root (in loop).
1640 - NOTE: tests field0X are to be migrated. 1330 - NOTE: tests field0X are to be migrated.
1641 Purpose: fixes, small performance boost, si 1331 Purpose: fixes, small performance boost, simple statistics.
1642 1332
1643 Apr 2nd, 2003 G. Cosmo - field-V05-00-01 1333 Apr 2nd, 2003 G. Cosmo - field-V05-00-01
1644 --------------------------- 1334 ---------------------------
1645 - Created .cc files for G4MagneticField and G 1335 - Created .cc files for G4MagneticField and G4ElecroMagneticField.
1646 - Fixed definition of copy constructors in fi 1336 - Fixed definition of copy constructors in fields inheritance chain.
1647 - Moved obsolete method StepWithEst() to priv 1337 - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
1648 G4CashKarpRKF45 and G4ClassicalRK4. 1338 G4CashKarpRKF45 and G4ClassicalRK4.
1649 - Cleared strict pedantic warnings. 1339 - Cleared strict pedantic warnings.
1650 1340
1651 Feb 5th, 2003 G. Cosmo - field-V05-00-00 1341 Feb 5th, 2003 G. Cosmo - field-V05-00-00
1652 --------------------------- 1342 ---------------------------
1653 - Removed redundant inclusions of PhysicalCon 1343 - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
1654 Now using directly CLHEP's headers. 1344 Now using directly CLHEP's headers.
1655 1345
1656 Dec 12th, 2002 G. Cosmo - field-V04-01-06 1346 Dec 12th, 2002 G. Cosmo - field-V04-01-06
1657 --------------------------- 1347 ---------------------------
1658 - Moved unused variable 'nStpPr' to debug sec 1348 - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
1659 method AccurateAdvance(). 1349 method AccurateAdvance().
1660 1350
1661 Dec 06th, 2002 G. Cosmo - field-V04-01-05 1351 Dec 06th, 2002 G. Cosmo - field-V04-01-05
1662 --------------------------- 1352 ---------------------------
1663 - Merged changes by Makoto for migration to n 1353 - Merged changes by Makoto for migration to new G4ApplicationState in
1664 messengers of unit tests. 1354 messengers of unit tests.
1665 1355
1666 Nov 29th, 2002 J. Apostolakis - field-V04 1356 Nov 29th, 2002 J. Apostolakis - field-V04-01-04
1667 --------------------------------- 1357 ---------------------------------
1668 Further fixes for unitialised variable - in o 1358 Further fixes for unitialised variable - in other steppers:
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE 1359 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
1670 1360
1671 Large memory leak fix for G4ImplicitEuler, sm 1361 Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
1672 Test accuracy requirements for spin adjusted. 1362 Test accuracy requirements for spin adjusted.
1673 1363
1674 Nov 20th, 2002 J. Apostolakis - field-V04 1364 Nov 20th, 2002 J. Apostolakis - field-V04-01-03
1675 --------------------------------- 1365 ---------------------------------
1676 Further fixes for unitialised variables: 1366 Further fixes for unitialised variables:
1677 1367
1678 * G4MagIntegratorStepper 1368 * G4MagIntegratorStepper
1679 - Created instance variables for number of 1369 - Created instance variables for number of Integration, State variables
1680 1370
1681 * G4MagErrorStepper 1371 * G4MagErrorStepper
1682 - Utilise number of State variables to ini 1372 - Utilise number of State variables to initialise full state of Output.
1683 1373
1684 * G4Mag_SpinEqRhs 1374 * G4Mag_SpinEqRhs
1685 - Initialise the values of dydx that we do 1375 - Initialise the values of dydx that we do not update.
1686 1376
1687 Note: Undoing these changes and the ones belo << 1377 Note: Undoing these changes and the ones below would enable the user to see
1688 if undefined values are used in varia << 1378 if undefined values are used in variables that he/she expects to
1689 have integrated. 1379 have integrated.
1690 BUT the fix assists us to find truly un 1380 BUT the fix assists us to find truly undefined values elsewhere
1691 -- if they exist -- using valgrind. 1381 -- if they exist -- using valgrind.
1692 1382
1693 Nov 9th, 2002 J. Apostolakis - field-V04 1383 Nov 9th, 2002 J. Apostolakis - field-V04-01-02
1694 --------------------------------- 1384 ---------------------------------
1695 Fixes to address use of uninitialised variabl 1385 Fixes to address use of uninitialised variable in seting values of FieldTrack
1696 (this was done by design, but was neither ide 1386 (this was done by design, but was neither ideal or always well-behaved.)
1697 Changed: 1387 Changed:
1698 1388
1699 * G4MagIntegratorDriver 1389 * G4MagIntegratorDriver
1700 - Added instance variables for number of In 1390 - Added instance variables for number of Integration, State variables
1701 - Initialise all State variables of Output 1391 - Initialise all State variables of Output with values from initial variables.
1702 - Only the Integration variables will be in 1392 - Only the Integration variables will be integrated
1703 1393
1704 * G4ClassicalRK4 and G4MagErrorStepper 1394 * G4ClassicalRK4 and G4MagErrorStepper
1705 - Copy the initial time to intermediate and << 1395 - Copy the initial time to intermediate and output C-vectors,
1706 in order to provide a zero-eth estimate 1396 in order to provide a zero-eth estimate value.
1707 Note1: Should clean-up this fix, making it 1397 Note1: Should clean-up this fix, making it similar to Driver (above)
1708 Note2: Should *not* be used for time varyin << 1398 Note2: Should *not* be used for time varying field unless created
1709 with at least 8 integration variab 1399 with at least 8 integration variables
1710 --------------------------------- << 1400 ---------------------------------
1711 G4ChordFinder.cc 1401 G4ChordFinder.cc
1712 - Correction from zero dChord 1402 - Correction from zero dChord
1713 which is does not update the Unconstrai 1403 which is does not update the Unconstrained step estimate (state)
1714 - Added instance variables to store number 1404 - Added instance variables to store number of calls and chord-trials
1715 and new print method for 'debugging' 1405 and new print method for 'debugging'
1716 1406
1717 G4Mag_UsualEqRhs.cc 1407 G4Mag_UsualEqRhs.cc
1718 - Attempted approximations for speedup *ov 1408 - Attempted approximations for speedup *overwritten* by full inverse sqrt.
1719 1409
1720 1410
1721 Oct 29th, 2002 J. Apostolakis - test-V04-0 1411 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1722 -------------------------------- 1412 --------------------------------
1723 - Changed output of tests for small output ch 1413 - Changed output of tests for small output change (GeV->MeV)
1724 1414
1725 Oct 29th, 2002 J. Apostolakis - test-V04-0 1415 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1726 -------------------------------- 1416 --------------------------------
1727 - (Only changed and tagged test subdirectory) 1417 - (Only changed and tagged test subdirectory)
1728 Changed tests to use the new method SetChar << 1418 Changed tests to use the new method SetChargeMomentumMass of
1729 PropagatorInField in order to be ready for << 1419 PropagatorInField in order to be ready for its full use in
1730 G4PropagatorInField. 1420 G4PropagatorInField.
1731 (A key problem at end-July was this non-pre 1421 (A key problem at end-July was this non-preparedness of the unit tests.)
1732 1422
1733 Jul 24th, 2002 G. Cosmo - field-V04-01-01 1423 Jul 24th, 2002 G. Cosmo - field-V04-01-01
1734 -------------------------- 1424 --------------------------
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta 1425 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736 fDefault_Delta_Intersection_Val normal cons 1426 fDefault_Delta_Intersection_Val normal constants (not static) to
1737 resolve initialisation problems. Coworks wi 1427 resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738 Fixes problem report #383. 1428 Fixes problem report #383.
1739 1429
1740 Jul 23rd, 2002 G. Cosmo - field-V04-01-00 1430 Jul 23rd, 2002 G. Cosmo - field-V04-01-00
1741 -------------------------- 1431 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o 1432 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743 Protected variable 'nStpPr' with G4DEBUG_FI 1433 Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up 1434 - Updated reference outputs and some other updates to unit tests.
1745 1435
1746 Jun 25th, 2002 J. Apostolakis - field-V04- 1436 Jun 25th, 2002 J. Apostolakis - field-V04-00-05
1747 -------------------------------- 1437 --------------------------------
1748 - G4ChordFinder.cc 1438 - G4ChordFinder.cc
1749 In NewStep: fixed case of stepTrial >> ste 1439 In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750 (it was treated the same as stepTrial 1440 (it was treated the same as stepTrial << old)
1751 Added guard for stepTrial==0.0 in FindNextC 1441 Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc 1442 - G4MagIntegratorDriver.cc
1753 Added protection against error of 0.0 in Co 1443 Added protection against error of 0.0 in ComputeNewStepSize.
1754 1444
1755 - G4EquationOfMotion 1445 - G4EquationOfMotion
1756 Made RightHandSide an inline method << 1446 Made RightHandSide an inline method
1757 In GetFieldValue signature of Point is doub 1447 In GetFieldValue signature of Point is double[4], instead of double[3]
1758 Defined G4maximum_number_of_field_component 1448 Defined G4maximum_number_of_field_components as enum
1759 1449
1760 Jun 7th, 2002 J. Apostolakis - field-V04- 1450 Jun 7th, 2002 J. Apostolakis - field-V04-00-04
1761 -------------------------------- 1451 --------------------------------
1762 - G4Mag_SpinEqRhs.cc 1452 - G4Mag_SpinEqRhs.cc
1763 o Fix to momentum component of Rhs. 1453 o Fix to momentum component of Rhs.
1764 1454
1765 May 31st, 2002 J. Apostolakis - field-V04- 1455 May 31st, 2002 J. Apostolakis - field-V04-00-03
1766 -------------------------------- 1456 --------------------------------
1767 - G4MagHelicalStepper.icc 1457 - G4MagHelicalStepper.icc
1768 o Fix to LinearStep (correcting previous 1458 o Fix to LinearStep (correcting previous fix/cosmetic)
1769 - G4ChordFinder.cc 1459 - G4ChordFinder.cc
1770 o Corrective behaviour for very small or 1460 o Corrective behaviour for very small or large changes of 'new step'
1771 [observed in complex 3-d fields (purgi 1461 [observed in complex 3-d fields (purging magnet), or
1772 approximate equations of 1462 approximate equations of motion ]
1773 - G4MagIntegratorDriver 1463 - G4MagIntegratorDriver
1774 o More information in debug printing (tan 1464 o More information in debug printing (tangent cosine, norm)
1775 1465
1776 May 7th, 2002 J. Apostolakis 1466 May 7th, 2002 J. Apostolakis
1777 -------------------------------- 1467 --------------------------------
1778 - G4MagIntegratorDriver - ( on trunk ) 1468 - G4MagIntegratorDriver - ( on trunk )
1779 * Fix to update the field track for steps s << 1469 * Fix to update the field track for steps smaller than the chord finder's
1780 minstep. << 1470 minstep.
1781 1471
1782 1472
1783 April 19th, 2002 J. Apostolakis (not inclu 1473 April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
1784 -------------------------------- 1474 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc (on trunk) 1475 - G4MagIntegratorDriver.hh,cc (on trunk)
1786 * Bug fix: last step can now only be trigg 1476 * Bug fix: last step can now only be triggerred if x+h > x2.
1787 * Debugging methods improved. 1477 * Debugging methods improved.
1788 1478
1789 May 7th, 2002 J. Apostolakis - field-V04- 1479 May 7th, 2002 J. Apostolakis - field-V04-00-02
1790 -------------------------------- 1480 --------------------------------
1791 Tag including only two changes below: 1481 Tag including only two changes below:
1792 - Putting aside the other fixes/changes (as << 1482 - Putting aside the other fixes/changes (as the one above) to
1793 G4MagIntegratorDriver, tagging only the fix t << 1483 G4MagIntegratorDriver, tagging only the fix to update the field track
1794 for steps smaller than the chord finder's min 1484 for steps smaller than the chord finder's minstep.
1795 1485
1796 May 7th, 2002 J. Apostolakis 1486 May 7th, 2002 J. Apostolakis
1797 -------------------------------- 1487 --------------------------------
1798 - G4MagIntegratorDriver - ** branch ** on 1488 - G4MagIntegratorDriver - ** branch ** on 1.20 **
1799 * Fix to update the field track for steps s << 1489 * Fix to update the field track for steps smaller than the chord finder's
1800 minstep. << 1490 minstep.
1801 1491
1802 May 7th, 2002 J. Apostolakis 1492 May 7th, 2002 J. Apostolakis
1803 -------------------------------- 1493 --------------------------------
1804 - G4MagIntegratorStepper 1494 - G4MagIntegratorStepper
1805 * Changed RightHandSide from a virtual meth << 1495 * Changed RightHandSide from a virtual method to an inline (non-virtual)
1806 method -- it is not and should not be c 1496 method -- it is not and should not be changed by derived classes.
1807 1497
1808 Mar 28th, 2002 J. Apostolakis - field-V04-00 1498 Mar 28th, 2002 J. Apostolakis - field-V04-00-01
1809 ----------------------- 1499 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex << 1500 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
1811 that had not been updated for new integra 1501 that had not been updated for new integration variable (momentum).
1812 --> found in testing helical steppers in << 1502 --> found in testing helical steppers in BaBar setup,
1813 in region of negligible field. 1503 in region of negligible field.
1814 1504
1815 - Changed maximum number of steps in driver, << 1505 - Changed maximum number of steps in driver,
1816 halving from 500/order to 250/order. 1506 halving from 500/order to 250/order.
1817 1507
1818 Mar 28th, 2002 J. Apostolakis 1508 Mar 28th, 2002 J. Apostolakis
1819 ----------------------- 1509 -----------------------
1820 - Committed directory "OtherField" with examp 1510 - Committed directory "OtherField" with examples of fields,
1821 Delphi, Quadropole etc. 1511 Delphi, Quadropole etc.
1822 1512
1823 - Updated outputs of testPropagateMagField fo 1513 - Updated outputs of testPropagateMagField for new version of source,
1824 that has 3rd test case. 1514 that has 3rd test case.
1825 1515
1826 - Added new runs and outputs for testProElect << 1516 - Added new runs and outputs for testProElectroMagField, with
1827 several steppers, and modified test scrip 1517 several steppers, and modified test script test.sh accordingly.
1828 1518
1829 1519
1830 Feb 2nd, 2002 V. Grichine 1520 Feb 2nd, 2002 V. Grichine
1831 ------------------------ 1521 ------------------------
1832 Update of test/field02 to utilise new feature << 1522 Update of test/field02 to utilise new features
1833 - for Electric Field, to signal that a fiel 1523 - for Electric Field, to signal that a field modifies the energy;
1834 - updating of time by integration, for time 1524 - updating of time by integration, for time dependent fields.
1835 1525
1836 Jan 10th, 2002 G. Cosmo - field-V04-00-00 1526 Jan 10th, 2002 G. Cosmo - field-V04-00-00
1837 ------------------------ 1527 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile. 1528 - Activated G4DEBUG_FIELD in GNUmakefile.
1839 1529
1840 Jan 7th, 2002 J. Apostolakis 1530 Jan 7th, 2002 J. Apostolakis
1841 ----------------------------- 1531 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia 1532 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843 1533
1844 Dec 4th, 2001 G. Cosmo - field-V03-02-08 1534 Dec 4th, 2001 G. Cosmo - field-V03-02-08
1845 ----------------------- 1535 -----------------------
1846 - Fixed interface to virtual functions in the 1536 - Fixed interface to virtual functions in the inheritance chain.
1847 Added 'virtual' qualifier to destructor and 1537 Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848 of G4Field which may act as base class for 1538 of G4Field which may act as base class for user-defined fields.
1849 Modified files: G4MagneticField.hh, G4Unifo 1539 Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850 G4UniformMagField.hh. 1540 G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng 1541 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852 inside #ifdef G4DEBUG_FIELD. Other #ifdef r 1542 inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w 1543 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854 is returned (V.Grichine). 1544 is returned (V.Grichine).
1855 1545
1856 Nov 28th, 2001 J. Apostolakis - field-V03-02 1546 Nov 28th, 2001 J. Apostolakis - field-V03-02-07
1857 ------------------------------ 1547 ------------------------------
1858 G4FieldManager 1548 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g 1549 - Added fFieldChangesEnergy data member and get/set methods
1860 ( required to allow transportation to know h 1550 ( required to allow transportation to know how to calculate end-time,
1861 enabling the integration of time only for 1551 enabling the integration of time only for electric fields. )
1862 1552
1863 Nov 28th, 2001 J. Apostolakis - field-V03-02 1553 Nov 28th, 2001 J. Apostolakis - field-V03-02-06
1864 ------------------------------ 1554 ------------------------------
1865 Small fixes only: 1555 Small fixes only:
1866 1556
1867 G4CashKarpRKF45 1557 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array 1558 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869 1559
1870 G4EqMagElectricField 1560 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci 1561 - bug fixed in the formula for inverse velocity (-> V. Grichine)
1872 1562
1873 Nov 21st, 2001 G. Cosmo - field-V03-02-05 1563 Nov 21st, 2001 G. Cosmo - field-V03-02-05
1874 ------------------------ 1564 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB 1565 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876 (V.Grichine). 1566 (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma 1567 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02. 1568 - Updates to unit test field02.
1879 1569
1880 Nov 13th, 2001 G. Cosmo - field-V03-02-04 1570 Nov 13th, 2001 G. Cosmo - field-V03-02-04
1881 ------------------------ 1571 ------------------------
1882 - Removed warnings on gcc-2.95.2. 1572 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field 1573 - Included unit tests field01, field02, field03.
1884 1574
1885 Nov 9th, 2001 J. Apostolakis - field-V03-02- 1575 Nov 9th, 2001 J. Apostolakis - field-V03-02-03
1886 ----------------------------- 1576 -----------------------------
1887 Motivated by the use case of an Electric Fiel 1577 Motivated by the use case of an Electric Field,
1888 - in order to achieve reasonable accuracy in 1578 - in order to achieve reasonable accuracy in time integration,
1889 - and to enable fields that vary with the gl 1579 - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol 1580 we (John Ap. and V. Grichine) changed the following:
1891 1581
1892 - Modified G4Field to allow the time in the G << 1582 - Modified G4Field to allow the time in the GetFieldValue method
1893 - as 4th component of the "position" arr 1583 - as 4th component of the "position" array.
1894 1584
1895 - Modified EquationOfMotion to provide the ti 1585 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896 of G4Field 1586 of G4Field
1897 * as the 4th component of a position / 1587 * as the 4th component of a position / time 4-array
1898 * in place of only position as a 3-arry 1588 * in place of only position as a 3-arry
1899 1589
1900 - Added the global time as variable to be int << 1590 - Added the global time as variable to be integrated over in the
1901 case of an Electric Field 1591 case of an Electric Field
1902 1592
1903 Support for these modifications is required i 1593 Support for these modifications is required in G4Transportation.
1904 1594
1905 (Better support will require either 1595 (Better support will require either
1906 - a modification in G4FieldTrack to indicate 1596 - a modification in G4FieldTrack to indicate whether the time has been
1907 integrated or not. << 1597 integrated or not.
1908 - or additionally making the time calculatio 1598 - or additionally making the time calculation a property of G4FieldTrack,
1909 bring in code to do it in from G4Transpor 1599 bring in code to do it in from G4Transportation.)
1910 1600
1911 1601
1912 Nov 8th, 2001 J. Apostolakis - field-V03-02 1602 Nov 8th, 2001 J. Apostolakis - field-V03-02-02
1913 ------------------------ 1603 ------------------------
1914 - Introduced several changes in G4MagIntegrat 1604 - Introduced several changes in G4MagIntegratorDriver.
1915 1605
1916 It now respects its minimum driver step si 1606 It now respects its minimum driver step size in AccurateAdvance.
1917 * whereas before it did not. 1607 * whereas before it did not.
1918 1608
1919 Modified maximum number of steps, lowering 1609 Modified maximum number of steps, lowering by factor of 10.
1920 -> it should reduce the time spent integ 1610 -> it should reduce the time spent integrating low energy particles,
1921 in some cases where it is unneccessary. 1611 in some cases where it is unneccessary.
1922 1612
1923 Protected printing of (nearly?) all warnin 1613 Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
1924 1614
1925 1615
1926 Nov 05th, 2001 G. Cosmo - field-V03-02-01 1616 Nov 05th, 2001 G. Cosmo - field-V03-02-01
1927 ------------------------ 1617 ------------------------
1928 - Fixed trivial warnings on Linux-g++. 1618 - Fixed trivial warnings on Linux-g++.
1929 1619
1930 Aug 27th, 2001 J. Apostolakis - field-V03-02 1620 Aug 27th, 2001 J. Apostolakis - field-V03-02-00
1931 ------------------------------ 1621 ------------------------------
1932 Tagged last change. 1622 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 ( 1623 This tag is utilised in transport-V03-02-01 (which requires it).
1934 1624
1935 Aug 16th, 2001 J. Apostolakis 1625 Aug 16th, 2001 J. Apostolakis
1936 ------------------------------ 1626 ------------------------------
1937 G4ChordFinder: 1627 G4ChordFinder:
1938 Added method to erase/reset the state of the 1628 Added method to erase/reset the state of the StepEstimate.
1939 This is unwanted internal state that was car 1629 This is unwanted internal state that was carried between tracks and
1940 events as a side effect. 1630 events as a side effect.
1941 1631
1942 Calling this at the start of each track, it 1632 Calling this at the start of each track, it is now possible to
1943 eliminate a non-repeatability that was possi 1633 eliminate a non-repeatability that was possible due to this.
1944 ( It has been observed in particular in v 1634 ( It has been observed in particular in vaccuum. )
1945 1635
1946 May 23rd, 2001 J. Apostolakis - field-V03-01 1636 May 23rd, 2001 J. Apostolakis - field-V03-01-02
1947 ------------------------------ 1637 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo 1638 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949 1639
1950 May 23rd, 2001 J. Apostolakis - field-V03-01 1640 May 23rd, 2001 J. Apostolakis - field-V03-01-01
1951 ------------------------------ 1641 ------------------------------
1952 - Fixed G4FieldManager constructors to give d 1642 - Fixed G4FieldManager constructors to give default values to delta
1953 parameters. 1643 parameters.
1954 1644
1955 - Updated testPropagateSpin (it now compiles) << 1645 - Updated testPropagateSpin (it now compiles),
1956 and some outputs of testPropagateMagField 1646 and some outputs of testPropagateMagField (1 to 5)
1957 1647
1958 1648
1959 Apr 12th, 2001 P. Gumplinger - field-V03-01- 1649 Apr 12th, 2001 P. Gumplinger - field-V03-01-00
1960 ----------------------------- 1650 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq 1651 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962 to spin tracking. 1652 to spin tracking.
1963 1653
1964 Apr 04th, 2001 G. Cosmo - field-V03-00-05 1654 Apr 04th, 2001 G. Cosmo - field-V03-00-05
1965 ------------------------ 1655 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o 1656 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967 1657
1968 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1658 Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
1969 ------------------------------ 1659 ------------------------------
1970 - Electric Field unit test now works: test ru 1660 - Electric Field unit test now works: test runs until completion.
1971 Test outputs saved (on Linux). 1661 Test outputs saved (on Linux).
1972 1662
1973 - Fixed src/G4UniformElectricField.cc to set 1663 - Fixed src/G4UniformElectricField.cc to set correct field components
1974 (compat 1664 (compatible with Equation of Motion
1975 G4EqMa 1665 G4EqMagElectricField )
1976 1666
1977 - Tidied G4FieldTrack 1667 - Tidied G4FieldTrack
1978 * deleted obsolete methods Set/Get Momentu 1668 * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979 * in constructor to set the value of the s << 1669 * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
1980 if pSpin is null. (It was undefine 1670 if pSpin is null. (It was undefined.)
1981 1671
1982 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1672 Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
1983 ------------------------------ 1673 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil << 1674 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
1985 1675
1986 - Modified G4MagIntegratorStepper << 1676 - Modified G4MagIntegratorStepper
1987 to use pointer to G4EquationOfMotion 1677 to use pointer to G4EquationOfMotion
1988 instead of G4Mag_EqRhs 1678 instead of G4Mag_EqRhs
1989 1679
1990 - Design iteration appears neccessary 1680 - Design iteration appears neccessary
1991 1681
1992 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1682 Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
1993 ------------------------------ 1683 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for 1684 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995 the possibility of (correct) use of all H << 1685 the possibility of (correct) use of all Helical Steppers.
1996 1686
1997 - test/testProElectroMagField.cc updated for 1687 - test/testProElectroMagField.cc updated for momentum.
1998 (Not yet updated: Spin tests) 1688 (Not yet updated: Spin tests)
1999 1689
2000 1690
2001 Mar 19th, 2001 J. Apostolakis - field-V03-00 1691 Mar 19th, 2001 J. Apostolakis - field-V03-00-01
2002 ------------------------------ 1692 ------------------------------
2003 - Tagging the modification of several classes 1693 - Tagging the modification of several classes to integrate in momentum*c_light
2004 instead of velocity. << 1694 instead of velocity.
2005 Reason for change: Velocity integration ca 1695 Reason for change: Velocity integration can result in superluminar
2006 velocities, due to arithmetic inaccuraci 1696 velocities, due to arithmetic inaccuracies.
2007 Classes modified: << 1697 Classes modified:
2008 G4FieldTrack, (Changed components 3,4,5 1698 G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
2009 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle 1699 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010 1700
2011 Feb 20th, 2001 J. Apostolakis << 1701 Feb 20th, 2001 J. Apostolakis
2012 1702
2013 - Modified several classes to integrate in mo 1703 - Modified several classes to integrate in momentum instead of velocity.
2014 1704
2015 G4FieldTrack: 1705 G4FieldTrack:
2016 Changed components 3,4,5 of SixVector to 1706 Changed components 3,4,5 of SixVector to Momentum,
2017 Modified constructor 1707 Modified constructor
2018 Added energy calculation to "LoadFromArr 1708 Added energy calculation to "LoadFromArray" method
2019 GetEnergy method is now implemented. << 1709 GetEnergy method is now implemented.
2020 Deleted obsolete (old) method names for 1710 Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021 1711
2022 G4ChordFinder 1712 G4ChordFinder
2023 Renamed old-method names of Field Track << 1713 Renamed old-method names of Field Track to new ones.
2024 1714
2025 Jan 29th, 2001 G. Cosmo - field-V03-00-00 1715 Jan 29th, 2001 G. Cosmo - field-V03-00-00
2026 ------------------------- 1716 -------------------------
2027 1717
2028 - Minor fix to G4MagneticField.hh: added expl 1718 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029 copy constructor. Fixes report #205. 1719 copy constructor. Fixes report #205.
2030 1720
2031 Nov 20th, 2000 G. Cosmo - field-V02-00-02 1721 Nov 20th, 2000 G. Cosmo - field-V02-00-02
2032 1722
2033 - Fixes to remove warnings from "-Wall -ansi 1723 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034 o commented out variables declared and not 1724 o commented out variables declared and not used.
2035 o fixed declaration of variables used befor 1725 o fixed declaration of variables used before being initialised.
2036 o fixed order of initialisation of member d 1726 o fixed order of initialisation of member data in constructors.
2037 o fixed usage of unsigned-int (size_t) for 1727 o fixed usage of unsigned-int (size_t) for array indeces.
2038 1728
2039 Nov 9th, 2000 G. Cosmo - field-V02-00-01 1729 Nov 9th, 2000 G. Cosmo - field-V02-00-01
2040 1730
2041 - G4FieldManager: added check on existence of 1731 - G4FieldManager: added check on existence of allocated fChordFinder
2042 in CreateChordFinder(G4MagneticField*) meth 1732 in CreateChordFinder(G4MagneticField*) method.
2043 1733
2044 Nov 1st, 2000 G. Cosmo - field-V02-00-00 1734 Nov 1st, 2000 G. Cosmo - field-V02-00-00
2045 1735
2046 - QA code revision and cleanup (+fixes from C 1736 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047 o Added (private) declarations of copy cons 1737 o Added (private) declarations of copy constructor and assignment operator
2048 where needed. 1738 where needed.
2049 o Added "const" qualifier to accessor metho 1739 o Added "const" qualifier to accessor methods, wherever needed.
2050 o Added equality check on operator= where n 1740 o Added equality check on operator= where needed.
2051 o Made destructor "virtual" for classes hav 1741 o Made destructor "virtual" for classes having virtual methods,
2052 wherever missing. 1742 wherever missing.
2053 o Changed virtual functions to non-inline w 1743 o Changed virtual functions to non-inline wherever's the case.
2054 o Changed return value to be "const" pointe 1744 o Changed return value to be "const" pointer to functions:
2055 - G4EquationOfMotion::GetFieldObj() 1745 - G4EquationOfMotion::GetFieldObj()
2056 - G4FieldManager::GetDetectorField() 1746 - G4FieldManager::GetDetectorField()
2057 - G4MagIntegratorDriver::GetStepper() 1747 - G4MagIntegratorDriver::GetStepper()
2058 o Fixed and corrected signature to G4MagInt 1748 o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059 o Added "inline" qualifier to methods' decl 1749 o Added "inline" qualifier to methods' declarations.
2060 o General cosmetics 1750 o General cosmetics
2061 1751
2062 Jun 2nd, 2000 J. Apostolakis 1752 Jun 2nd, 2000 J. Apostolakis
2063 - G4FieldManager[.hh.icc] 1753 - G4FieldManager[.hh.icc]
2064 o Added DeltaIntersection and DeltaOneStep 1754 o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065 Get/Set methods and SetAccuraciesWithDelt 1755 Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066 1756
2067 May 31st, 2000 J. Apostolakis - field-V01-01 1757 May 31st, 2000 J. Apostolakis - field-V01-01-03
2068 1758
2069 include/G4FieldManager.hh,icc 1759 include/G4FieldManager.hh,icc
2070 o Moved Delta Intersection and Delta One St 1760 o Moved Delta Intersection and Delta One Step to FieldManager
2071 (from Propagator in Field), to allow th 1761 (from Propagator in Field), to allow them to differ over the detector.
2072 1762
2073 May 11th, 2000 J. Apostolakis - field-V01-01 1763 May 11th, 2000 J. Apostolakis - field-V01-01-02
2074 1764
2075 - G4ChordFinder[.hh.cc] 1765 - G4ChordFinder[.hh.cc]
2076 o Modified method for finding new trial ste 1766 o Modified method for finding new trial step.
2077 New method assumes a quadratic relationsh 1767 New method assumes a quadratic relationship between step-length and d_chord:
2078 d_chord proportional to step-l 1768 d_chord proportional to step-lenght ^ 2
2079 o Added two small refinement in order to av 1769 o Added two small refinement in order to avoid unneccesary extra step due to
2080 small numerical inaccuracies in estimatio 1770 small numerical inaccuracies in estimation:
2081 FindNextChord 1771 FindNextChord
2082 to first step use (1-0.001) 1772 to first step use (1-0.001) * last-step-estimate
2083 New Step: 1773 New Step:
2084 to subsequent step use trial_st 1774 to subsequent step use trial_step = 0.98 * estimate
2085 1775
2086 May 10th, 2000 G. Cosmo 1776 May 10th, 2000 G. Cosmo
2087 1777
2088 - G4MagneticField.hh: minor fix to dummy impl 1778 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089 operator. 1779 operator.
2090 1780
2091 May 9th, 2000 J. Apostolakis - field-V01 1781 May 9th, 2000 J. Apostolakis - field-V01-01-01
2092 1782
2093 - G4MagErrorStepper: << 1783 - G4MagErrorStepper:
2094 Modified DistChord to check whether the c 1784 Modified DistChord to check whether the chord endpoint are the same point.
2095 1785
2096 - G4RKG3_Stepper: 1786 - G4RKG3_Stepper:
2097 Deleted error message from StepNoErr, as 1787 Deleted error message from StepNoErr, as it is used in Stepper.
2098 1788
2099 - G4MagIntegratorDriver: 1789 - G4MagIntegratorDriver:
2100 Changed the condition for the debug outpu 1790 Changed the condition for the debug output (~cosmetic)
2101 1791
2102 1792
2103 April 27th, 2000 G. Cosmo 1793 April 27th, 2000 G. Cosmo
2104 1794
2105 - Reorganised comments for the Software Refer 1795 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe 1796 - Moved inlined definition to .icc files, where needed.
2107 Created: G4ChordFinder.icc and G4FieldManag 1797 Created: G4ChordFinder.icc and G4FieldManager.icc.
2108 1798
2109 April 13th, 2000 J. Apostolakis - field-V01 1799 April 13th, 2000 J. Apostolakis - field-V01-01-00
2110 1800
2111 - Modified signature to function DumbStepper( 1801 - Modified signature to function DumbStepper() in classes:
2112 G4HelixExplicitEuler, G4HelixHeum, G4HelixI 1802 G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113 G4HelixSimpleRunge and G4MagHelicalStepper. 1803 G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu 1804 - Modified signature and implementation of function MagFieldEvaluate()
2115 in G4MagHelicalStepper, to use Field (as Th 1805 in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it 1806 - Made Richardson extrapolation optional (it is unclear if
2117 it offers benefit) in G4MagHelicalStepper. 1807 it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and 1808 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b 1809 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120 (V.Grichine). 1810 (V.Grichine).
2121 1811
2122 January 19th, 2000 G. Cosmo - field-V01-00 1812 January 19th, 2000 G. Cosmo - field-V01-00-00
2123 1813
2124 Syncronized versioning of files with HEAD aft 1814 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes). 1815 (essentially CVS header changes).
2126 1816
2127 December 7th, 1999 J. Apostolakis - field- 1817 December 7th, 1999 J. Apostolakis - field-V00-01-01a
2128 1818
2129 For negative or very small curve lengths (h) 1819 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe 1820 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless. 1821 as it is meaningless.
2132 1822
2133 November 23rd, 1999 J. Apostolakis - field- 1823 November 23rd, 1999 J. Apostolakis - field-V00-01-01
2134 1824
2135 Tagged this sub-category's state in geometry- 1825 Tagged this sub-category's state in geometry-V00-01-01
2136 1826
2137 1827
2138 July 6th, 1999 J. Apostolakis - field- 1828 July 6th, 1999 J. Apostolakis - field-01-00-07
2139 1829
2140 These fixes and those in field-01-00-06 and f 1830 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 1831 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig << 1832 interaction with paths that are rather straight.
2143 1833
2144 G4MagIntegrationDriver: << 1834 G4MagIntegrationDriver:
2145 i) AccurateAdvance now that the chord distan 1835 i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon). 1836 gth (times 1+epsilon).
2147 1837
2148 ii) OneGoodStep and QuickAdvance considers th 1838 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b 1839 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given. 1840 the "eps" maximum given.
2151 1841
2152 G4ChordFinder: 1842 G4ChordFinder:
2153 Having found that the curve_length vs ABdis 1843 Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration: 1844 the imprecision of the integration:
2155 i) Modified the exception in this case to h 1845 i) Modified the exception in this case to happen only for very large
2156 relative disrepancies ( 10 * eps ). 1846 relative disrepancies ( 10 * eps ).
2157 ii) Undertaken a default corrective action i 1847 ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve 1848 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu 1849 ie step lengths much smaller than the curvature of the track.
2160 1850
2161 July 1st, 1999 J. Apostolakis - field- 1851 July 1st, 1999 J. Apostolakis - field-01-00-06a
2162 1852
2163 In order to cope with the anomalous condition 1853 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField, we ensure that the f 1854 in G4PropagatorInField, we ensure that the fraction_AE is always between
2165 0 and 1.0. (giving it a default value of 0.5 1855 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV ) 1856 ( in G4ChordFinder::ApproxCurvePointV )
2167 1857
2168 June 29th, 1999 J. Apostolakis - field- 1858 June 29th, 1999 J. Apostolakis - field-01-00-06
2169 1859
2170 I re-instated a check on whether the input 1860 I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t 1861 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV ) 1862 ( in G4ChordFinder::ApproxCurvePointV )
2173 1863
2174 The condition that prints out a warning messa 1864 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi << 1865 take into account the case of a very small final interval.
2176 ( in G4MagInt_Driver::AccurateAdvance ) 1866 ( in G4MagInt_Driver::AccurateAdvance )
2177 1867
2178 June ??th, 1999 J. Apostolakis - field- 1868 June ??th, 1999 J. Apostolakis - field-01-00-05
2179 1869
2180 The condition that prints out a warning messa << 1870 The condition that prints out a warning message was changed to delete
2181 an incorrect comparison. << 1871 an incorrect comparison.
2182 ( in G4MagInt_Driver::AccurateAdvance ) 1872 ( in G4MagInt_Driver::AccurateAdvance )
2183 1873
2184 April 19th, 1999 J. Apostolakis - field- 1874 April 19th, 1999 J. Apostolakis - field-01-00-04
2185 1875
2186 G4MagErrorStepper: Cosmetic changes to name o 1876 G4MagErrorStepper: Cosmetic changes to name of data members
2187 1877
2188 March 4th, 1999 J. Apostolakis - field- 1878 March 4th, 1999 J. Apostolakis - field-01-00-03
2189 1879
2190 Corrected delete statement of arrays to use ' 1880 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45 1881 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192 1882
2193 February 17th, 1999 J. Apostolakis - field 1883 February 17th, 1999 J. Apostolakis - field-01-00-02
2194 1884
2195 Moved G4PropagatorInField files to geometry/ << 1885 Moved G4PropagatorInField files to geometry/volumes.
2196 Updated GNUmakefile not to depend on geometr 1886 Updated GNUmakefile not to depend on geometry/volumes anymore.
2197 -> the known circular dependency is remove 1887 -> the known circular dependency is removed
2198 1888
2199 1889
2200 February 12th, 1999 J. Apostolakis - field 1890 February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
2201 1891
2202 A tag that contains the first version that 1892 A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory). G4PropagateInSpin is still in t 1893 directory). G4PropagateInSpin is still in this version. A small change
2204 in a branch of the header file was needed. << 1894 in a branch of the header file was needed.
2205 1895
2206 1896
2207 February 10th, 1999 J. Apostolakis << 1897 February 10th, 1999 J. Apostolakis
2208 1898
2209 All the following changes are needed for ener 1899 All the following changes are needed for energy integration also:
2210 1900
2211 G4ChordFinder now passes to the constructed d 1901 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a 1902 Because of the need for the stepper to know about it in its Abstract interface
2213 1903
2214 -> Moved theNumberOfVariables from derived c 1904 -> Moved theNumberOfVariables from derived class G4MagErrorStepper
2215 to base class 1905 to base class G4MagIntegratorStepper
2216 1906
2217 As a consequense the classes that derived fro 1907 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt << 1908 were changed: G4CashKarpRKF45, G4MagHelicalStepper,
2219 1909
2220 1910
2221 February 9th, 1999 J. Apostolakis 1911 February 9th, 1999 J. Apostolakis
2222 1912
2223 Equation of Motion: 1913 Equation of Motion:
2224 G4MagEqRhs.hh Made SetChargeMomentumMass vir 1914 G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225 can initialise its constants << 1915 can initialise its constants too.
2226 1916
2227 1917
2228 February 9th, 1999 P. Gumplinger 1918 February 9th, 1999 P. Gumplinger
2229 1919
2230 Added Equation of Motion for Spin in Magnetic 1920 Added Equation of Motion for Spin in Magnetic Field.
2231 1921
2232 1922
2233 February 17th, 1999 J. Apostolakis - fiel 1923 February 17th, 1999 J. Apostolakis - field-01-00-01
2234 ---> date is correct, made sure that tag d 1924 ---> date is correct, made sure that tag does not include above fixes!
2235 << 1925
2236 Moved G4PropagatorInField files to geometry/ << 1926 Moved G4PropagatorInField files to geometry/volumes.
2237 Updated GNUmakefile not to depend on geometr 1927 Updated GNUmakefile not to depend on geometry/volumes anymore.
2238 -> the known circular dependency is remove 1928 -> the known circular dependency is removed
2239 1929
2240 1930
2241 --------------------------------------------- 1931 ---------------------------------------------------------------------------
2242 ------ Geant 4 Production Release - 1932 ------ Geant 4 Production Release ------------
2243 --------------------------------------------- 1933 --------------------------------------------------------------------------
2244 Nov 19th, 1998 J. Apostolakis - field-0 1934 Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
2245 1935
2246 G4PropagatorInField files modified: 1936 G4PropagatorInField files modified:
2247 1937
2248 - to store the last safety computed and it 1938 - to store the last safety computed and its origin.
2249 - to give them to a requester 1939 - to give them to a requester
2250 --------------------------------------------- 1940 ------------------------------------------------------------------
2251 1941
2252 Nov 19th, 1998 J. Apostolakis - field-0 1942 Nov 19th, 1998 J. Apostolakis - field-00-03-03b
2253 1943
2254 Subtle fix to interface of G4UniformMagField << 1944 Subtle fix to interface of G4UniformMagField::GetFieldValue
2255 ( that tripped Visual C++ ) 1945 ( that tripped Visual C++ )
2256 1946
2257 G4PropagatorInField: added printing method 1947 G4PropagatorInField: added printing method for verboseness.
2258 1948
2259 Nov 19th, 1998 J. Apostolakis - field-0 1949 Nov 19th, 1998 J. Apostolakis - field-00-03-03a
2260 1950
2261 Steppers: Fixed instance variables constr 1951 Steppers: Fixed instance variables construction (SimpleRunge)
2262 and clash of names in CashKarp: 1952 and clash of names in CashKarp::StepWithEstimate
2263 1953
2264 Added post-const to all Field classes for 1954 Added post-const to all Field classes for
2265 void GetFieldValue(const G4double 1955 void GetFieldValue(const G4double yTrack[] ,
2266 G4double B[] 1956 G4double B[] ) const ;
2267 1957
2268 Added SetFieldValue methods to UniformMagF 1958 Added SetFieldValue methods to UniformMagField
2269 1959
2270 Added GetConstantFieldValue() methods to U 1960 Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271 1961
2272 1962
2273 Nov 19th, 1998 J. Apostolakis - field-0 1963 Nov 19th, 1998 J. Apostolakis - field-00-03-03
2274 1964
2275 Fixes to Propagate and Steppers 1965 Fixes to Propagate and Steppers
2276 1966
2277 Nov 19th, 1998 J. Apostolakis - field-0 1967 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2278 1968
2279 Minor corrections (???) 1969 Minor corrections (???)
2280 1970
2281 Nov 19th, 1998 J. Apostolakis - field-0 1971 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2282 << 1972
2283 Major development to allow Electric Field 1973 Major development to allow Electric Field
2284 << 1974
2285 1975
2286 1976
2287 June 17th, 1998 J. Apostolakis - magfiel 1977 June 17th, 1998 J. Apostolakis - magfield-06-03
2288 1978
2289 Modified Files: 1979 Modified Files:
2290 include/G4PropagatorInField.hh 1980 include/G4PropagatorInField.hh
2291 src/G4PropagatorInField.cc 1981 src/G4PropagatorInField.cc
2292 test/testPropagateInField.cc 1982 test/testPropagateInField.cc
2293 --------------------------------------------- 1983 ----------------------------------------------------------------------
2294 1984
2295 1) Added an assertion after each call to Lo << 1985 1) Added an assertion after each call to LocateGlobalPointAndSetup.
2296 It checks that the located volume is equ 1986 It checks that the located volume is equal to the current volume.
2297 If this check fails, the Propagator does 1987 If this check fails, the Propagator does not know how to continue.
2298 1988
2299 2) Added an argument to ComputeStep method 1989 2) Added an argument to ComputeStep method of G4PropagatorInField.
2300 The new volume argument is used to check th 1990 The new volume argument is used to check the current volume during the step.
2301 1991
2302 3) When G4Navigator's ComputeStep returned 1992 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
2303 used to be treated as a failure to intersect. 1993 used to be treated as a failure to intersect. This is incorrect.
2304 1994
2305 stepLength==stepRequested is an intersect 1995 stepLength==stepRequested is an intersection,
2306 so I am now treating it as such in each 1996 so I am now treating it as such in each comparison (of 3).
2307 Ignoring it causes problems, including 1997 Ignoring it causes problems, including volume being skipped.
2308 --> but treating it as an intersection 1998 --> but treating it as an intersection used to cause problems too ??
2309 1999
2310 2000
2311 May 7th, 1998 J. Apostolakis - magfie 2001 May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
2312 2002
2313 - Tag includes new version of G4ChordFinder ( 2003 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314 2004
2315 2005
2316 May 7th, 1998 W. Wander (recorded/c 2006 May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
2317 2007
2318 - New "helical" RK steppers that move in heli 2008 - New "helical" RK steppers that move in helical segments, not linear.
2319 * Several changes to add steppers << 2009 * Several changes to add steppers
2320 2010
2321 Modified Files: 2011 Modified Files:
2322 G4MagErrorStepper.hh << 2012 G4MagErrorStepper.hh
2323 G4MagErrorStepper.cc << 2013 G4MagErrorStepper.cc
2324 added Helical stepping methods to 2014 added Helical stepping methods to this general ABC.
2325 << 2015
2326 G4MagIntegratorStepper.hh 2016 G4MagIntegratorStepper.hh
2327 made RightHandSide virtual (this 2017 made RightHandSide virtual (this will be reversed very soon)
2328 2018
2329 testPropagateMagField.cc 2019 testPropagateMagField.cc
2330 Test of Helical stepping functiona 2020 Test of Helical stepping functionality added.
2331 << 2021
2332 Added Files for new Helical RK steppers, der 2022 Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333 G4HelixExplicitEuler.cc ( and .hh ) 2023 G4HelixExplicitEuler.cc ( and .hh )
2334 G4HelixHeum.cc 2024 G4HelixHeum.cc
2335 G4HelixImplicitEuler.cc 2025 G4HelixImplicitEuler.cc
2336 G4HelixSimpleRunge.cc << 2026 G4HelixSimpleRunge.cc
2337 2027
2338 Added File for implementation: 2028 Added File for implementation:
2339 G4MagErrorStepper.icc 2029 G4MagErrorStepper.icc
2340 2030
2341 2031
2342 May 7th, 1998 J. Apostolakis - magfi 2032 May 7th, 1998 J. Apostolakis - magfield-06-01
2343 2033
2344 - added small changes to << 2034 - added small changes to
2345 * G4ChordFinder: methods to get 2035 * G4ChordFinder: methods to get/set IntegratorDriver
2346 * G4MagIntegratorDriver: made OneGoodSt 2036 * G4MagIntegratorDriver: made OneGoodStep method public
2347 - created the file. 2037 - created the file.
>> 2038