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