| 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 18
150 October 12, 2020 J.Apostolakis << 19 January 13, 2020 G.Cosmo - field-V10-05-18
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 ------------------------ 20 ------------------------
242 - Turn off verbosity flags by default in G4Int 21 - Turn off verbosity flags by default in G4IntegratorDriver,
243 G4InterpolationDriver and G4MagIntegratorDri 22 G4InterpolationDriver and G4MagIntegratorDriver.
244 23
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 24 November 14, 2019 J.Apostolakis - field-V10-05-17
251 ------------------------------- 25 -------------------------------
252 - Added method / attribute to G4VIntegrationDr 26 - Added method / attribute to G4VIntegrationDriver DoesReIntegrate()
253 to inform whether the driver recomputes seg 27 to inform whether the driver recomputes segment when
254 AccurateAdvance is called. 28 AccurateAdvance is called.
255 29
256 October 27, 2019 D.Sorokin 30 October 27, 2019 D.Sorokin - field-V10-05-16
257 ---------------------------- 31 ----------------------------
258 - Remove statistics printouts from destructor 32 - Remove statistics printouts from destructor of G4BFieldIntegrationDriver
259 33
260 October 24, 2019 H.Burkhardt 34 October 24, 2019 H.Burkhardt - field-V10-05-15
261 ---------------------------- 35 ----------------------------
262 - Standard sextupole magnet first implementati 36 - Standard sextupole magnet first implementation G4SextupoleMagField.cc,.hh
263 37
264 October 18, 2019 D. Sorokin 38 October 18, 2019 D. Sorokin - field-V10-05-14
265 ----------------------------------------- 39 -----------------------------------------
266 - Fix floating point exception in G4BFieldInte 40 - Fix floating point exception in G4BFieldIntegrationDriver.
267 41
268 October 1, 2019 G. Cosmo 42 October 1, 2019 G. Cosmo - field-V10-05-13
269 ----------------------------------------- 43 -----------------------------------------
270 - Fixed unitialised data in G4EqMagElectricFie 44 - Fixed unitialised data in G4EqMagElectricField and G4EqGravityField,
271 reported by Coverity. 45 reported by Coverity.
272 46
273 September 12, 2019 G. Cosmo 47 September 12, 2019 G. Cosmo - field-V10-05-12
274 ----------------------------------------- 48 -----------------------------------------
275 - Minor C++11 revision. Code formatting and cl 49 - Minor C++11 revision. Code formatting and cleanup.
276 50
277 July 8, 2019 D. Sorokin 51 July 8, 2019 D. Sorokin - field-V10-05-11
278 ----------------------------------------- 52 -----------------------------------------
279 - G4BFieldIntegrationDriver: an attempt to sol << 53 - G4BFieldIntegrationDriver: an attempt to solve looping particle issue.
280 54
281 July 3, 2019 D. Sorokin 55 July 3, 2019 D. Sorokin - field-V10-05-10
282 ----------------------------------------- 56 -----------------------------------------
283 - Make G4InterpolationDriver default for perfo 57 - Make G4InterpolationDriver default for performance assessments.
284 58
285 June 25, 2019 D. Sorokin 59 June 25, 2019 D. Sorokin - field-V10-05-09
286 ----------------------------------------- 60 -----------------------------------------
287 - Fix Dormand-Prince 5th order interpolation m 61 - Fix Dormand-Prince 5th order interpolation method
288 62
289 June 20, 2019 D. Sorokin 63 June 20, 2019 D. Sorokin - field-V10-05-08
290 ----------------------------------------- 64 -----------------------------------------
291 - New version of G4InterpolationDriver with mu 65 - New version of G4InterpolationDriver with multiple steppers for each substep.
292 66
293 June 12, 2019 D. Sorokin & J. Apostolakis 67 June 12, 2019 D. Sorokin & J. Apostolakis - field-V10-05-07
294 ----------------------------------------- 68 -----------------------------------------
295 - Revert to use G4IntegrationDriver as default << 69 - Revert to use G4IntegrationDriver as default in G4ChordFinder
296 ( c-tor for magnetic field. ). 70 ( c-tor for magnetic field. ).
297 Change to use concrete type of Stepper as te 71 Change to use concrete type of Stepper as template parameter
298 72
299 June 10, 2019 Dmitry Sorokin 73 June 10, 2019 Dmitry Sorokin - field-V10-05-06
300 ------------------------- 74 -------------------------
301 - Remove division in G4DormandPrince745::Inter 75 - Remove division in G4DormandPrince745::Interpolate4thOrder.
302 76
303 June 7, 2019 Dmitry Sorokin 77 June 7, 2019 Dmitry Sorokin - field-V10-05-05
304 ------------------------- 78 -------------------------
305 - Switch to original chord finding algorithm i 79 - Switch to original chord finding algorithm in G4InterpolationDriver
306 - Reset step estimate in G4MagInt_Driver only 80 - Reset step estimate in G4MagInt_Driver only at the beginning of a track
307 - Change G4VERBOSE to G4FIELD_DEBUG in G4Inter 81 - Change G4VERBOSE to G4FIELD_DEBUG in G4InterpolationDriver to speed-up
308 82
309 June 4, 2019 Dmitry Sorokin 83 June 4, 2019 Dmitry Sorokin - field-V10-05-04
310 ------------------------- 84 -------------------------
311 - Use FSAL property of G4DormandPrince745 in G 85 - Use FSAL property of G4DormandPrince745 in G4InterpolationDriver.
312 86
313 June 3, 2019 Dmitry Sorokin 87 June 3, 2019 Dmitry Sorokin - field-V10-05-03
314 ------------------------- 88 -------------------------
315 - Fix memory churn in G4InterpolationDriver. 89 - Fix memory churn in G4InterpolationDriver.
316 90
317 May 20, 2019 Dmitry Sorokin 91 May 20, 2019 Dmitry Sorokin - field-V10-05-02
318 ------------------------- 92 -------------------------
319 - Make interpolation driver default for immedi 93 - Make interpolation driver default for immediate testing.
320 94
321 April 8, 2019 H.Burkhardt 95 April 8, 2019 H.Burkhardt - field-V10-05-01
322 ------------------------- 96 -------------------------
323 - Correcting transformation to local system in 97 - Correcting transformation to local system in G4QuadrupoleMagField.cc
324 98
325 March 20, 2019 G.Cosmo 99 March 20, 2019 G.Cosmo - field-V10-05-00
326 ---------------------- 100 ----------------------
327 - Corrected 'RegularStepperName' in G4ChordFin 101 - Corrected 'RegularStepperName' in G4ChordFinder to refer to the actual
328 default stepper G4DormandPrince745 rather th 102 default stepper G4DormandPrince745 rather than G4NystromRK4...
329 103
330 November 9, 2018 J.Apostolakis 104 November 9, 2018 J.Apostolakis - field-V10-04-17
331 ------------------------------ 105 ------------------------------
332 - Small fixes for warnings in compilation. 106 - Small fixes for warnings in compilation.
333 - Revisions of descriptions of recent tags (fo 107 - Revisions of descriptions of recent tags (for clarification.)
334 108
335 September 26, 2018 D.Sorokin 109 September 26, 2018 D.Sorokin - field-V10-04-15, -16
336 ---------------------------- 110 ----------------------------
337 - Implemented G4InterpolationDriver. This driv 111 - Implemented G4InterpolationDriver. This driver uses a Runge-Kutta
338 stepper with interpolation property to integ 112 stepper with interpolation property to integrate EoM with error control.
339 The field evaluations used to calculate the 113 The field evaluations used to calculate the enpoint of an 'advance' can
340 be reused to obtain one or multiple internal 114 be reused to obtain one or multiple internal points on the curve (x,p).
341 So in steps in which an intersection is foun 115 So in steps in which an intersection is found, the number of field
342 evaluations are expected to be reduced subst 116 evaluations are expected to be reduced substantially.
343 117
344 September 13, 2018 D.Sorokin 118 September 13, 2018 D.Sorokin - field-V10-04-13, -14
345 ---------------------------- 119 ----------------------------
346 - G4NystromRK4 creates G4CachedMagneticField i 120 - G4NystromRK4 creates G4CachedMagneticField if it was not provided.
347 - Removed G4MagIntegratorStepper::ComputeRight 121 - Removed G4MagIntegratorStepper::ComputeRightHandSide() method
348 (all calls now use non-virtual RightHandSide 122 (all calls now use non-virtual RightHandSide() method instead).
349 - Reversed declaration of final for the class 123 - Reversed declaration of final for the class G4UniformMagField.
350 Returned to previous status: only GetFieldVa 124 Returned to previous status: only GetFieldValue method is final.
351 ( This avoid need to change examples/tests a << 125 ( This avoid need to change examples/tests and potentially migrate
352 users' code. ) << 126 users' code. )
353 127
354 September 12, 2018 D.Sorokin 128 September 12, 2018 D.Sorokin - field-V10-04-11, -12
355 ---------------------------- 129 ----------------------------
356 - Created new experimental driver G4BFieldInte 130 - Created new experimental driver G4BFieldIntegrationDriver for pure
357 magnetic fields. In QuickAdvance it uses he 131 magnetic fields. In QuickAdvance it uses helix stepper when the
358 estimated 'helix' rotation angle is larger t 132 estimated 'helix' rotation angle is larger than pi/3.
359 - G4NystromRK4 uses G4CachedMagneticField for 133 - G4NystromRK4 uses G4CachedMagneticField for caching values.
360 NOTE: It now the user's responsibility to cr << 134 NOTE: It now the user's responsibility to create G4CachedMagneticField.
361 ( The alternative is to create G4CachedMagne 135 ( The alternative is to create G4CachedMagneticField inside G4NystromRK4.
362 But this would have several disadvantages: 136 But this would have several disadvantages:
363 * It would change the field in the user's 137 * It would change the field in the user's equation of motion;
364 * G4NystromRK4 is not able to check whethe 138 * G4NystromRK4 is not able to check whether the user calls the method
365 that changes the equation using SetEquat 139 that changes the equation using SetEquationOfMotion method. )
366 140
367 July 10, 2018 D. Sorokin - field- 141 July 10, 2018 D. Sorokin - field-V10-04-08, -09, -10
368 ------------------------ Tags by J. Apostolaki 142 ------------------------ Tags by J. Apostolakis
369 - Corrections in calculation of chord distance 143 - Corrections in calculation of chord distance in G4DormandPrince745
370 ( use 4th order interpolation from Shampine 144 ( use 4th order interpolation from Shampine 1986 for mid-point. )
371 - Revised G4FieldUtils: moved copy() method fr 145 - Revised G4FieldUtils: moved copy() method from steppers,
372 added 2 new setValue: simple & variadic meth 146 added 2 new setValue: simple & variadic methods.
373 - Fixes to copy input time in ModifiedMidpoint 147 - Fixes to copy input time in ModifiedMidpoint, CashKarp, G4RK547FEq1/2/3
374 Bogacki-Shampine 4/5 and 2/3 (note: B-S 2/3 148 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 149 Dormand Prince 4/5, 5/6 and 7/8, and Tsitouras steppers.
376 - Trial revision in G4BulirschStoer to reduce 150 - Trial revision in G4BulirschStoer to reduce number of division
377 operations (J.A.) 151 operations (J.A.)
378 - Fix for unitialised pIntStepper pointer in G 152 - Fix for unitialised pIntStepper pointer in G4FSALIntegrationDriver
379 constructor. Revision of data member variab 153 constructor. Revision of data member variable names. ( J.A. )
380 << 154
381 June 15, 2018 G.Cosmo - fiel 155 June 15, 2018 G.Cosmo - field-V10-04-07
382 --------------------- 156 ---------------------
383 - Fixed minor Coverity defects in G4BurlischSt 157 - Fixed minor Coverity defects in G4BurlischStoer and G4ModifiedMidPoint.
384 Code cleanup. 158 Code cleanup.
385 159
386 June 13, 2018 G.Cosmo - fiel 160 June 13, 2018 G.Cosmo - field-V10-04-06
387 --------------------- 161 ---------------------
388 - Leave override final only for clone() method 162 - Leave override final only for clone() method in G4UniformMagField,
389 not in destructor... 163 not in destructor...
390 164
391 June 12, 2018 G.Cosmo - fiel 165 June 12, 2018 G.Cosmo - field-V10-04-05
392 --------------------- 166 ---------------------
393 - Use G4Exception warnings instead of streamin 167 - Use G4Exception warnings instead of streaming to cerr.
394 - Added override final for virtual methods in 168 - Added override final for virtual methods in G4UniformMagField (J.Apostolakis).
395 - Some code cleanup. 169 - Some code cleanup.
396 170
397 Apr 30, 2018 J. Apostolakis - fiel 171 Apr 30, 2018 J. Apostolakis - field-V10-04-04
398 --------------------------- 172 ---------------------------
399 - G4VIntegrationDriver and derived classes 173 - G4VIntegrationDriver and derived classes
400 174
401 Added new virtual method in G4VIntegrationDr 175 Added new virtual method in G4VIntegrationDriver :
402 void RenewStepperAndAdjust(G4MagIntegrat 176 void RenewStepperAndAdjust(G4MagIntegratorStepper *pItsStepper)
403 which used to exist in G4MagInt_Driver. << 177 which used to exist in G4MagInt_Driver.
404 ( Its absence caused a problem in some exist 178 ( Its absence caused a problem in some existing user code since 10.4. )
405 179
406 This method must be defined in those derived 180 This method must be defined in those derived driver classes which accept
407 a Runge Kutta stepper ( i.e. some or any typ 181 a Runge Kutta stepper ( i.e. some or any type of G4MagIntegratorStepper )
408 182
409 - G4IntegrationDriver, G4FSALIntegrationDriver 183 - G4IntegrationDriver, G4FSALIntegrationDriver
410 Defined default implementation (which throws << 184 Defined default implementation (which throws a Fatal G4Exception), and
411 implementations in the templated classes G4I 185 implementations in the templated classes G4IntegrationDriver and
412 G4FSALIntegrationDriver which check the type 186 G4FSALIntegrationDriver which check the type (via dynamic cast) and
413 change the stepper if it is appropriate. 187 change the stepper if it is appropriate.
414 188
415 Feb 13, 2018 J. Apostolakis - fiel 189 Feb 13, 2018 J. Apostolakis - field-V10-04-03
416 --------------------------- 190 ---------------------------
417 - Change in G4FieldManager::CreateChordFinder << 191 - Change in G4FieldManager::CreateChordFinder to cope
418 better with case that field argument is null 192 better with case that field argument is null.
419 193
420 Feb 13, 2018 D. Sorokin - fiel 194 Feb 13, 2018 D. Sorokin - field-V10-04-01
421 ----------------------- - fiel 195 ----------------------- - field-V10-04-02 (comp. fix)
422 - Introduced Bulirsch-Stoer method of integrat 196 - Introduced Bulirsch-Stoer method of integration, an alternative
423 to Runge-Kutta based on the mid-point method 197 to Runge-Kutta based on the mid-point method.
424 Separate driver derived G4VIntegrationDriver 198 Separate driver derived G4VIntegrationDriver and implemented
425 using specialisation of G4IntegrationDriver 199 using specialisation of G4IntegrationDriver template class.
426 Note: this method does not have a RK 'Steppe 200 Note: this method does not have a RK 'Stepper' !
427 201
428 Jan 31, 2018 J. Apostolakis 202 Jan 31, 2018 J. Apostolakis
429 --------------------------- 203 ---------------------------
430 - G4MagneticField no longer inherits from G4El 204 - G4MagneticField no longer inherits from G4ElectroMagneticField
431 This was incorrect, and allowed a user to pr << 205 This was incorrect, and allowed a user to provide a full EM
432 field, but obtain the force only from the B- 206 field, but obtain the force only from the B-field when using
433 the equation created in the G4ChordFinder co 207 the equation created in the G4ChordFinder constructor.
434 => potential interface change. 208 => potential interface change.
435 209
436 Result: It is no longer possible to use the << 210 Result: It is no longer possible to use the equation of motion for a
437 pure magnetic field for the case of a mix 211 pure magnetic field for the case of a mixed electromagnetic field.
438 This change is desired, and is a *protect 212 This change is desired, and is a *protection* as that inadvertent
439 use led to incorrect results. << 213 use led to incorrect results.
440 Instead the full chain of classes for equati 214 Instead the full chain of classes for equation of full EM field,
441 steppers and driver must be used for the 215 steppers and driver must be used for the case of the 'full' EM field.
442 216
443 Feb 9, 2017 G.Cosmo - fiel 217 Feb 9, 2017 G.Cosmo - field-V10-04-00
444 ------------------- 218 -------------------
445 - Removed static data from G4FSALIntegrationDr 219 - Removed static data from G4FSALIntegrationDriver, G4IntegrationDriver and
446 G4MagIntegratorDriver and moved to base clas 220 G4MagIntegratorDriver and moved to base class as normal data members.
447 Fix required for allowing proper symbol expo 221 Fix required for allowing proper symbol exporting on Windows DLLs.
448 222
449 Nov 17, 2017 J. Apostolakis - fiel 223 Nov 17, 2017 J. Apostolakis - field-V10-03-30
450 --------------------------- 224 ---------------------------
451 - G4ChordFinder: Reinstated old driver G4MagIn << 225 - G4ChordFinder: Reinstated old driver G4MagInt_Drv, for use
452 with G4DormandPrince745 (5th order) in G4C 226 with G4DormandPrince745 (5th order) in G4ChordFinder's
453 2nd constructor (with magnetic field.) 227 2nd constructor (with magnetic field.)
454 ( Reverses change made in field-V10-03-27 ) 228 ( Reverses change made in field-V10-03-27 )
455 229
456 Nov 16, 2017 J. Apostolakis - fiel 230 Nov 16, 2017 J. Apostolakis - field-V10-03-29
457 --------------------------- 231 ---------------------------
458 - Suppressed statistics printing in G4ChordFin 232 - Suppressed statistics printing in G4ChordFinder and new drivers
459 ( G4IntegrationDriver and G4FSALIntegration 233 ( G4IntegrationDriver and G4FSALIntegrationDriver )
460 protecting them by verbosity flags. 234 protecting them by verbosity flags.
461 << 235
462 - Minor fix to initialise scalar data member i 236 - Minor fix to initialise scalar data member in new steppers
463 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3. << 237 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3.
464 Fixes coverity issues 97886, 97888 and 97889 238 Fixes coverity issues 97886, 97888 and 97889.
465 239
466 240
467 Nov 14, 2017 J. Apostolakis - fiel 241 Nov 14, 2017 J. Apostolakis - field-V10-03-28
468 --------------------------- 242 ---------------------------
469 - Suppressed extra verbosity in G4ChordFinder. 243 - Suppressed extra verbosity in G4ChordFinder.
470 - Fix in G4FSALDormandPrince745 for unitialise 244 - Fix in G4FSALDormandPrince745 for unitialised variables.
471 Initialise ak8[], ak9[] in constructor. This 245 Initialise ak8[], ak9[] in constructor. This avoids repeated
472 memory allocation, without deletion - i.e. a 246 memory allocation, without deletion - i.e. a memory leak.
473 - Initialise fLastStepLength and/or fAuxSteppe << 247 - Initialise fLastStepLength and/or fAuxStepper data members in
474 in constructors of G4DormandPrince745 and G4 248 in constructors of G4DormandPrince745 and G4FSALDormandPrince745.
475 Coverity issues: 67394 (G4FSALDormandPrince7 249 Coverity issues: 67394 (G4FSALDormandPrince745)
476 67391 (G4DormandPrince7 250 67391 (G4DormandPrince745)
477 251
478 Nov 14, 2017 J. Apostolakis - fiel 252 Nov 14, 2017 J. Apostolakis - field-V10-03-27 (fixed)
479 --------------------------- - fiel 253 --------------------------- - field-V10-03-26
480 - G4ChordFinder: changes in default stepper & 254 - G4ChordFinder: changes in default stepper & driver in 2nd constructor.
481 in which only a magnetic field is provided ( 255 in which only a magnetic field is provided (used widely) :
482 << 256
483 * Reinstated G4DormandPrince745 (5th order) 257 * Reinstated G4DormandPrince745 (5th order) as default in G4ChordFinder.
484 (corrected -23, which missed to initialise 258 (corrected -23, which missed to initialise driver.)
485 259
486 * New templated driver G4IntegrationDriver i << 260 * New templated driver G4IntegrationDriver is chosen for the
487 the simple constuctors of G4ChordFinder an 261 the simple constuctors of G4ChordFinder and G4FieldManager
488 which only require a (pure) magnetic field 262 which only require a (pure) magnetic field. ( Details below.)
489 263
490 Additional information and details: 264 Additional information and details:
491 * New optional parameter to constructor of G 265 * New optional parameter to constructor of G4ChordFinder which
492 allow to create an FSAL stepper and corres 266 allow to create an FSAL stepper and corresponding driver instead.
493 This aims to reuse some derivatives, thus 267 This aims to reuse some derivatives, thus reducing computations
494 of derivatives and thus field evaluations. 268 of derivatives and thus field evaluations. )
495 269
496 * The templated 'driver' classes, available << 270 * The templated 'driver' classes, available and now chosen in
497 G4ChordFinder's 2nd constructor, are used 271 G4ChordFinder's 2nd constructor, are used per type of stepper
498 class: 272 class:
499 - G4IntegrationDriver for non-FSAL 273 - G4IntegrationDriver for non-FSAL steppers
500 - G4FSALIntegrationDriver for FSAL-capab 274 - G4FSALIntegrationDriver for FSAL-capable steppers
501 These make non-virtual calls to the steppe 275 These make non-virtual calls to the stepper, as they know its type.
502 276
503 - First fix in G4FSALDormandPrince745 for memo << 277 - First fix in G4FSALDormandPrince745 for memory leak, missing
504 delete[] fInitialDyDx in destructor. Coverit 278 delete[] fInitialDyDx in destructor. Coverity issue: 96383.
505 279
506 ---------------------------------------------- 280 ----------------------------------------------------------------------
507 Multiple tags (below) were to better test step 281 Multiple tags (below) were to better test stepper/driver combinations:
508 Date Tagger Tag name Stepper 282 Date Tagger Tag name Stepper Driver
509 ============================================== 283 ======================================================================
510 Nov 3, D. Sorokin field-V10-03-25 G4FSALBo << 284 Nov 3, D. Sorokin field-V10-03-25 G4FSALBogackiShampine45 FSAL
511 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDo 285 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDormandPrince745 FSAL ok
512 Nov 2, J. Apostolakis field-V10-03-23 G4Dorman << 286 Nov 2, J. Apostolakis field-V10-03-23 G4DormandPrince745 new
513 Nov 2, J. Apostolakis field-V10-03-22 G4RK547F 287 Nov 2, J. Apostolakis field-V10-03-22 G4RK547FEq1 FSAL ok
514 ---------------------------------------------- 288 ----------------------------------------------------------------------
515 Glossary of drivers: 289 Glossary of drivers:
516 the FSAL driver = using G4FSALIntegrationDr 290 the FSAL driver = using G4FSALIntegrationDriver (templated)
517 the new driver = using G4IntegrationDriver 291 the new driver = using G4IntegrationDriver (templated)
518 ============================================== 292 ===================================================================
519 293
520 Nov 2, 2017 D. Sorokin - fiel 294 Nov 2, 2017 D. Sorokin - field-V10-03-21
521 --------------------------------------- 295 ---------------------------------------
522 - Added new steppers G4RK547FEq{1,2,3} which i << 296 - Added new steppers G4RK547FEq{1,2,3} which implement 7 stage embedded
523 Runge-Kutta 4,5 pairs with: 297 Runge-Kutta 4,5 pairs with:
524 - FSAL property (return derivative at end 298 - FSAL property (return derivative at endpoint for use in next step),
525 - stable equilibrium states ( improved ha 299 - stable equilibrium states ( improved handling of difficulties in
526 integration: better stability in choo 300 integration: better stability in choosing step size. )
527 Each one can be used with all existing Runge 301 Each one can be used with all existing Runge-Kutta drivers:
528 - G4FSALIntegrationDriver, using its FSAL 302 - G4FSALIntegrationDriver, using its FSAL property;
529 - G4IntegrationDriver without its FSAL 303 - G4IntegrationDriver without its FSAL property.
530 - the original G4MagInt_Driver, also igno 304 - the original G4MagInt_Driver, also ignoring FSAL.
531 305
532 - Reinstated G4DormandPrince745 ( known widel 306 - Reinstated G4DormandPrince745 ( known widely as DOPRI5 ) as
533 the default RK method in G4ChordFinder for p 307 the default RK method in G4ChordFinder for pure magnetic fields.
534 ( Withdrew G4BogackiShampine45. ) J. Apos 308 ( Withdrew G4BogackiShampine45. ) J. Apostolakis
535 << 309
536 Nov 1, 2017 J. Apostolakis - fiel 310 Nov 1, 2017 J. Apostolakis - field-V10-03-20
537 --------------------------- 311 ---------------------------
538 - Made G4BogackiShampine45 the default RK meth 312 - Made G4BogackiShampine45 the default RK method in G4ChordFinder
539 for pure magnetic fields. 313 for pure magnetic fields.
540 314
541 Oct 30, 2017 D. Sorokin/J.Apostolakis - fiel 315 Oct 30, 2017 D. Sorokin/J.Apostolakis - field-V10-03-19
542 --------------------------------------- 316 ---------------------------------------
543 - add GetStepper method to G4VIntegrationDrive 317 - add GetStepper method to G4VIntegrationDriver for backward compatibility
544 318
545 Oct 20, 2017 D. Sorokin - fiel 319 Oct 20, 2017 D. Sorokin - field-V10-03-18
546 --------------------------------------- 320 ---------------------------------------
547 Introduced base class for any driver algorithm 321 Introduced base class for any driver algorithm (G4VIntegrationDriver)
548 New concrete classes added: 322 New concrete classes added:
549 - G4IntegrationDriver: implementation of templ 323 - G4IntegrationDriver: implementation of templated driver algorithm
550 for non-fsal explicit Runge-Kutta steppers 324 for non-fsal explicit Runge-Kutta steppers
551 - G4FSALIntegrationDriver: implementation of d 325 - G4FSALIntegrationDriver: implementation of driver algorithm for
552 FSAL explicit Runge-Kutta steppers. 326 FSAL explicit Runge-Kutta steppers.
553 Existing class G4MagInt_Drv remains, deriving 327 Existing class G4MagInt_Drv remains, deriving from base class.
554 328
555 - Expanded testing in testProElectroMagField ( 329 - Expanded testing in testProElectroMagField (higher precision, new driver)
556 ( J. Apostolakis) 330 ( J. Apostolakis)
557 331
558 Oct 13, 2017 D. Sorokin - fiel 332 Oct 13, 2017 D. Sorokin - field-V10-03-17
559 --------------------------------------- 333 ---------------------------------------
560 - add G4FieldUtils.hh, G4FieldUtils.icc, G4Fie << 334 - add G4FieldUtils.hh, G4FieldUtils.icc, G4FieldUtils.cc:
561 utilities to extract data from arrays in con << 335 utilities to extract data from arrays in conventions of the
562 magneticfield integration. 336 magneticfield integration.
563 337
564 Oct 13, 2017 G. Cosmo - fiel 338 Oct 13, 2017 G. Cosmo - field-V10-03-16
565 --------------------------------------- 339 ---------------------------------------
566 - G4NystromRK4: use consistenly G4 types for d 340 - G4NystromRK4: use consistenly G4 types for double and bool in G4NystromRK4.
567 341
568 Aug 31, 2017 J. Apostolakis - fiel 342 Aug 31, 2017 J. Apostolakis - field-V10-03-15
569 --------------------------------------- 343 ---------------------------------------
570 - Made G4DormandPrince457 the default Stepper 344 - Made G4DormandPrince457 the default Stepper for magnetic fields in
571 G4ChordFinder - when a driver/stepper is not 345 G4ChordFinder - when a driver/stepper is not specified.
572 346
573 Aug 31, 2017 J. Apostolakis - fiel 347 Aug 31, 2017 J. Apostolakis - field-V10-03-14
574 --------------------------------------- 348 ---------------------------------------
575 - G4NystromRK4: used caching of momentum magni 349 - G4NystromRK4: used caching of momentum magnitude ( & its inverse)
576 to reduce overhead of fix in field-V10-03-10 350 to reduce overhead of fix in field-V10-03-10.
577 351
578 Aug 25, 2017 J. Apostolakis - fiel 352 Aug 25, 2017 J. Apostolakis - field-V10-03-12, 13
579 --------------------------------------- 353 ---------------------------------------
580 - G4MagInt_Driver: added GetEquationOfMotion m 354 - G4MagInt_Driver: added GetEquationOfMotion method for enabling common
581 code with future develoment. 355 code with future develoment.
582 356
583 Aug 24, 2017 D.Sorokin & J. Apostolakis - fiel 357 Aug 24, 2017 D.Sorokin & J. Apostolakis - field-V10-03-11
584 --------------------------------------- 358 ---------------------------------------
585 - G4NystromRK4: correction in call to getField 359 - G4NystromRK4: correction in call to getField: needs p[4], not p[3]
586 ( Spotted by D. Sorokin ) 360 ( Spotted by D. Sorokin )
587 Also small cleanup of testing code into 2 sm 361 Also small cleanup of testing code into 2 small new methods.
588 ( J. Apostolakis ) 362 ( J. Apostolakis )
589 363
590 Aug 23, 2017 J.Apostolakis - fiel 364 Aug 23, 2017 J.Apostolakis - field-V10-03-10
591 -------------------------- 365 --------------------------
592 - G4NystromRK4 - Fix the caching of momentum, 366 - G4NystromRK4 - Fix the caching of momentum, field location & value.
593 Fixes issue reported by ALICE ( problem repo 367 Fixes issue reported by ALICE ( problem report #1996 ).
594 Thanks to Ruben Shahoyan for identifying and 368 Thanks to Ruben Shahoyan for identifying and reporting the issue!
595 - Temporarly made G4NystromRK4 the default Ste 369 - Temporarly made G4NystromRK4 the default Stepper in G4ChordFinder's 2nd
596 constructor (to ensure adequate testing). 370 constructor (to ensure adequate testing).
597 371
598 Jul 04, 2017 J.Apostolakis - field 372 Jul 04, 2017 J.Apostolakis - field-V10-03-09
599 -------------------------- 373 --------------------------
600 - G4DormandPrinceRK78: initialise fLastStepLen 374 - G4DormandPrinceRK78: initialise fLastStepLength and/or fAuxStepper data
601 members in constructor. Coverity issue: 6739 375 members in constructor. Coverity issue: 67398,
602 Improved description and reference to origin 376 Improved description and reference to original 1981 DP paper.
603 - G4MagIntegratorDriver: initialised fNoCalls 377 - G4MagIntegratorDriver: initialised fNoCalls in c-tor. Coverity #15158.
604 378
605 Jul 03, 2017 J.Apostolakis - field 379 Jul 03, 2017 J.Apostolakis - field-V10-03-08
606 -------------------------- 380 --------------------------
607 - G4FSALBogackiShampline45: initialise 'bi[][] 381 - G4FSALBogackiShampline45: initialise 'bi[][]' const coefficients only 1 time
608 in method PrepareConstants() called by const 382 in method PrepareConstants() called by constructor.
609 ( Similar to G4BogackiShampine => seek con 383 ( Similar to G4BogackiShampine => seek consolidation )
610 Small fix: initialise fAuxStepper to nullptr 384 Small fix: initialise fAuxStepper to nullptr, if not primary.
611 ( Part of Coverity issue 67394 ) 385 ( Part of Coverity issue 67394 )
612 - G4DormandPrinceRK56: fix for significant mem 386 - G4DormandPrinceRK56: fix for significant memory leak of ak10_low buffer
613 space in SetupInterpolate_low(), apparently 387 space in SetupInterpolate_low(), apparently not seen by Coverity
614 because it was initialised in each use, not 388 because it was initialised in each use, not in constructor!
615 Improved initialisation of ak10, 11, 12 (mov 389 Improved initialisation of ak10, 11, 12 (moved to constructor)
616 and fixed small memory leak (added deletion 390 and fixed small memory leak (added deletion in destructor).
617 - G4MagIntegratorStepper: initialise fNoRHSCal 391 - G4MagIntegratorStepper: initialise fNoRHSCalls & fIntegrationOrder in c-tor.
618 ( fIntegrationOrder is not yet used widely - 392 ( fIntegrationOrder is not yet used widely - future migration )
619 Coverity issue 67392. 393 Coverity issue 67392.
620 - G4VFSALIntegrationStepper: initialise counte 394 - G4VFSALIntegrationStepper: initialise counter in c-tor. Coverity issue 67396.
621 - G4BogackiShampine23: initialised fIsFSAL, fI 395 - G4BogackiShampine23: initialised fIsFSAL, fIntegrationOrder in c-tor.
622 Suppressed obsolete virtual method isFSAL, 396 Suppressed obsolete virtual method isFSAL,
623 Deleted duplicate virtual method 'isFSAL()'. 397 Deleted duplicate virtual method 'isFSAL()'. Non-virtual method IsFSAL()
624 now exists in base class G4MagIntegratorStep 398 now exists in base class G4MagIntegratorStepper.
625 Made copy constructor and equal operator pri 399 Made copy constructor and equal operator private and not unimplemented.
626 Added explanatory comments in source file; c 400 Added explanatory comments in source file; can make this method FSAL easily
627 (it calculates derivative @ endpoint. ) 401 (it calculates derivative @ endpoint. )
628 - Several steppers ( G4DoLoMcPriRK34, G4FSALBo 402 - Several steppers ( G4DoLoMcPriRK34, G4FSALBogackiShampine45,
629 G4DormandPrince745, G4BogackiShampine45 ): i 403 G4DormandPrince745, G4BogackiShampine45 ): initialise fLastStepLength and/or
630 fAuxStepper data members in constructor. 404 fAuxStepper data members in constructor.
631 Coverity issues: 67393, 67394, 67391, 67390, 405 Coverity issues: 67393, 67394, 67391, 67390, 67363
632 406
633 Jul 03, 2017 J.Apostolakis - field << 407 Jul 03, 2017 J.Apostolakis - field-V10-03-05, -06, -07
634 -------------------------- 408 --------------------------
635 - fix for memory leak in Stepper() in two step 409 - fix for memory leak in Stepper() in two steppers:
636 G4FSALBogackiShampline45 ( Coverity issue 410 G4FSALBogackiShampline45 ( Coverity issue 67389 )
637 G4FSALDormandPrince745 ( Coverity issue 411 G4FSALDormandPrince745 ( Coverity issue 67397 )
638 - G4BogackiShampline23: fix for memory leak in 412 - G4BogackiShampline23: fix for memory leak in destructor
639 ( Coverity issue 67355 ) 413 ( Coverity issue 67355 )
640 414
641 May 17, 2017 J.Apostolakis - field 415 May 17, 2017 J.Apostolakis - field-V10-03-03, -04 (resubmit)
642 -------------------------- 416 --------------------------
643 - G4FieldManager::SetDetectorField 417 - G4FieldManager::SetDetectorField
644 Fixed default of 'fail mode' parameter in << 418 Fixed default of 'fail mode' parameter in
645 to 0 (silent) - not 1 which was used for 419 to 0 (silent) - not 1 which was used for debugging.
646 In case of existing G4ChordFinder, use 'max' 420 In case of existing G4ChordFinder, use 'max' (1, failMode) not min.
647 421
648 422
649 May 11, 2017 J.Apostolakis - field 423 May 11, 2017 J.Apostolakis - field-V10-03-02
650 -------------------------- << 424 --------------------------
651 - Reintroduced changes of field-V10-01-05, 06 425 - Reintroduced changes of field-V10-01-05, 06 and 07 to address
652 issue recalled by ATLAS. 426 issue recalled by ATLAS.
653 - New fixes/refinements (since field-V10-01-07 427 - New fixes/refinements (since field-V10-01-07)
654 o Extra check for missing equation. (Fix) 428 o Extra check for missing equation. (Fix)
655 o Renamed G4FieldManager::SetFieldChangesEne 429 o Renamed G4FieldManager::SetFieldChangesEnergy() method to
656 InitialiseFieldChangesEnergy() to clarify 430 InitialiseFieldChangesEnergy() to clarify its utility.
657 - Original functionality change (copied from f 431 - Original functionality change (copied from field-V10-01-05, & -07) :
658 o G4FieldManager.cc : Revised behaviour of S 432 o G4FieldManager.cc : Revised behaviour of SetDetector - it now
659 passes the Field to the Equation, as is th 433 passes the Field to the Equation, as is the natural user expectation
660 The previous behaviour is possible, using 434 The previous behaviour is possible, using extra argument 'failMode' flag.
661 Values: 0 = silent ; << 435 Values: 0 = silent ;
662 1 (default) = warning; << 436 1 (default) = warning;
663 2 or other = fatal except 437 2 or other = fatal exception.
664 438
665 This change is to ensure that user expecta << 439 This change is to ensure that user expectation is met:
666 if the field is changed for an existing, w << 440 if the field is changed for an existing, working stepper it must
667 be propagated to the equation of motion. 441 be propagated to the equation of motion.
668 Note: this causes potential conflict betwe 442 Note: this causes potential conflict between the type of the equation
669 and the field, which will need to be 443 and the field, which will need to be solved in the future.
670 Old behaviour (just set our own pointer) i 444 Old behaviour (just set our own pointer) is still available in new method:
671 ProposeDetectorField(G4Field *detectorFiel << 445 ProposeDetectorField(G4Field *detectorField)
672 Note: Error reporting behaviour of SetDete << 446 Note: Error reporting behaviour of SetDetector is 'soft'. It does not
673 complain by default if ChordFinder i 447 complain by default if ChordFinder is not (yet) set.
674 ( The default values of failMode = 0 448 ( The default values of failMode = 0 i.e. quiet. )
675 If a chord-finder exists, it will still wa 449 If a chord-finder exists, it will still warn for other errors.
676 To obtain have noisy extra checks call Set 450 To obtain have noisy extra checks call SetDetectorField with failMode > 0
677 or by using the new method for an existing 451 or by using the new method for an existing field:
678 ChangeDetectorField(G4Field *detectorField << 452 ChangeDetectorField(G4Field *detectorField)
679 OLD: Co-works and requires new tag in geomet 453 OLD: Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
680 454
681 Mar 22, 2017 G.Cosmo - fiel 455 Mar 22, 2017 G.Cosmo - field-V10-03-01
682 --------------------- 456 ---------------------
683 - Revert change made in previous tag and add s 457 - Revert change made in previous tag and add simple accessor to return
684 singleton pointer. 458 singleton pointer.
685 459
686 Mar 17, 2017 G.Cosmo - fiel 460 Mar 17, 2017 G.Cosmo - field-V10-03-00
687 --------------------- 461 ---------------------
688 - Define G4FieldManagerStore as normal singlet 462 - Define G4FieldManagerStore as normal singleton and corrected destructor.
689 463
690 Oct 7, 2016 J.Apostolakis - fiel 464 Oct 7, 2016 J.Apostolakis - field-V10-02-24, 25
691 --------------------------- 465 ---------------------------
692 - Checked loops for termination for infinite l << 466 - Checked loops for termination for infinite loops and annotated
693 them with "Loop checking" comment 467 them with "Loop checking" comment
694 468
695 Oct 7, 2016 D.Sorokin - fiel 469 Oct 7, 2016 D.Sorokin - field-V10-02-23
696 ----------------------- Commit: J. Apostolaki 470 ----------------------- Commit: J. Apostolakis
697 - Protection for multiple inclusion of G4Class << 471 - Protection for multiple inclusion of G4ClassicalRK4
698 (thanks to Dmitrii Sorokin, GSoC 2016 stude 472 (thanks to Dmitrii Sorokin, GSoC 2016 student. )
699 473
700 Aug 16, 2016 J.Apostolakis - fiel 474 Aug 16, 2016 J.Apostolakis - field-V10-02-22
701 --------------------------- 475 ---------------------------
702 - Added initialization of fAuxStepper in const << 476 - Added initialization of fAuxStepper in constructor of
703 G4DoLoMcPriRK34, G4DormandPrince745 & G4Dorm 477 G4DoLoMcPriRK34, G4DormandPrince745 & G4DormandPrinceRK56.
704 478
705 June 11, 2016 J.Apostolakis - fiel 479 June 11, 2016 J.Apostolakis - field-V10-02-21
706 --------------------------- 480 ---------------------------
707 - Restored G4ClassicalRK4 as default stepper f 481 - Restored G4ClassicalRK4 as default stepper for B-field,
708 (due to performance issues reported in bench 482 (due to performance issues reported in benchmarking.)
709 << 483
710 June 10, 2016 G.Cosmo - fiel 484 June 10, 2016 G.Cosmo - field-V10-02-20
711 --------------------- 485 ---------------------
712 - Fixed code indentation in G4HelixMixedSteppe 486 - Fixed code indentation in G4HelixMixedStepper;
713 fixes compilation warnings on gcc-6.1. 487 fixes compilation warnings on gcc-6.1.
714 488
715 June 1, 2016 J.Apostolakis - fiel 489 June 1, 2016 J.Apostolakis - field-V10-02-19, 18, 17
716 -------------------------- 490 --------------------------
717 - Fix in multiple steppers for the size of two 491 - Fix in multiple steppers for the size of two C-arrays which hold
718 intermediate values; they must be at least 492 intermediate values; they must be at least 8 and at least
719 'fNumberOfStateVariables' long. << 493 'fNumberOfStateVariables' long.
720 Changed: G4CashKarp, << 494 Changed: G4CashKarp,
721 G4BogackiShampine 23 & 34 495 G4BogackiShampine 23 & 34
722 G4DormandPrince 745, RK56 & RK78 496 G4DormandPrince 745, RK56 & RK78
723 G4DoLoMcPriRK34 497 G4DoLoMcPriRK34
724 G4FSALBogackiShampine45, G4FSALDorm 498 G4FSALBogackiShampine45, G4FSALDormandPrince745
725 - Made G4CashKarp the default stepper in G4Cho 499 - Made G4CashKarp the default stepper in G4ChordFinder.
726 - Deleted trial class G4NewChordFinder. 500 - Deleted trial class G4NewChordFinder.
727 501
728 June 1, 2016 J.Apostolakis - fiel 502 June 1, 2016 J.Apostolakis - field-V10-02-16
729 -------------------------- 503 --------------------------
730 - Deleted test code (RkTestRun) due to cmake i 504 - Deleted test code (RkTestRun) due to cmake issues
731 505
732 June 1, 2016 J.Apostolakis - fiel 506 June 1, 2016 J.Apostolakis - field-V10-02-15 (also -14)
733 -------------------------- 507 --------------------------
734 - Made G4ClassicalRK4 the default stepper agai 508 - Made G4ClassicalRK4 the default stepper again in G4ChordFinder
735 - Fixes in test code (RkTestRun) for new names 509 - Fixes in test code (RkTestRun) for new names of classes.
736 << 510
737 May 31, 2016 J.Apostolakis - fiel 511 May 31, 2016 J.Apostolakis - field-V10-02-13 (also -12)
738 -------------------------- 512 --------------------------
739 - New class G4NewChordFinder, that uses old G4 513 - New class G4NewChordFinder, that uses old G4MagIntegratorDriver or
740 the newer G4FSALIntegratorDriver -- first 514 the newer G4FSALIntegratorDriver -- first try, for testing FSAL.
741 Created new test testNewChordFinder.cc to ch 515 Created new test testNewChordFinder.cc to checks this.
742 516
743 - Renamed new Stepper classes to use 'G4' pref 517 - Renamed new Stepper classes to use 'G4' prefix, including
744 DormandPrince{745,RK56,RK67} TsitourasRK45 518 DormandPrince{745,RK56,RK67} TsitourasRK45 and DoLoMcPriRK34
745 519
746 - Renamed FSAL base classes to use 'G4' prefix 520 - Renamed FSAL base classes to use 'G4' prefix & 'Integrat-ion'
747 FSALMagIntegratorStepper to G4VFSALIntegr 521 FSALMagIntegratorStepper to G4VFSALIntegrationStepper
748 FSALIntegratorDriver to G4FSALIntegr 522 FSALIntegratorDriver to G4FSALIntegrationDriver
749 and the experimental FSAL versions of steppe 523 and the experimental FSAL versions of steppers,
750 FBogackiShampine45.hh to G4FSALBogackiS 524 FBogackiShampine45.hh to G4FSALBogackiShampine45.hh
751 FDormandPrince745.hh to G4FSALDormandP 525 FDormandPrince745.hh to G4FSALDormandPrince745.hh
752 ( Note: FSAL steppers remain 'behind' the impr 526 ( Note: FSAL steppers remain 'behind' the improved non-FSAL versions.)
753 527
754 - Made DormandPrince745 (DP45) the default ste 528 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
755 << 529
756 May 26, 2016 J.Apostolakis & Som. Banerjee - 530 May 26, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-11
757 ------------------------------------------ 531 ------------------------------------------
758 - First version of FSAL classes (as additional 532 - First version of FSAL classes (as additional classes)
759 FSAL Integrator Driver : New *concrete*, << 533 FSAL Integrator Driver : New *concrete*, stand-alone driver
760 FSAL Integrator Stepper : New base class ( 534 FSAL Integrator Stepper : New base class (separate from G4MagIntegratorStepper)
761 FBogackiShampine45: FSAL-version of Bogac 535 FBogackiShampine45: FSAL-version of BogackiShampine45 stepper
762 FDormandPrince745: FSAL-version of FDorm 536 FDormandPrince745: FSAL-version of FDormandPrince745 stepper
763 Developed by Somnath Banerjee in GSoC 2015 537 Developed by Somnath Banerjee in GSoC 2015
764 538
765 Context: 539 Context:
766 * FSAL Stepper's key 'Stepper()' method for St 540 * FSAL Stepper's key 'Stepper()' method for Stepping has additional
767 argument to return the derivative at the e 541 argument to return the derivative at the end of a step.
768 If the step was successful, this estimate 542 If the step was successful, this estimate has the same order of
769 accuracy as the stepper (i.e. 5th order fo 543 accuracy as the stepper (i.e. 5th order for a 5th order stepper.)
770 544
771 - FSAL Driver method uses the revised Stepper 545 - FSAL Driver method uses the revised Stepper interface, using
772 the final (endpoint) derivative for succes 546 the final (endpoint) derivative for successful steps
773 as the start derivative for the next step, 547 as the start derivative for the next step, in case of
774 continuing of integration. 548 continuing of integration.
775 549
776 - New test (RkTestRun.cc) covering FSAL method 550 - New test (RkTestRun.cc) covering FSAL methods, integration
777 Developed by Somnath Banerjee in GSoC 2015 551 Developed by Somnath Banerjee in GSoC 2015
778 552
779 May 26, 2016 J.Apostolakis - 553 May 26, 2016 J.Apostolakis - field-V10-02-10
780 -------------------------- 554 --------------------------
781 Preparation for addition of FSAL steppers (& d 555 Preparation for addition of FSAL steppers (& driver)
782 - G4MagIntegratorStepper: Added counter for ca << 556 - G4MagIntegratorStepper: Added counter for calls to equation RHS,
783 with Get/Reset methods. 557 with Get/Reset methods.
784 - Cosmetic fixes in sources.cmake (tabs to spa 558 - Cosmetic fixes in sources.cmake (tabs to spaces)
785 559
786 May 25, 2016 J.Apostolakis & Som. Banerjee - 560 May 25, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-09
787 ------------------------------------------ 561 ------------------------------------------
788 - Added new stepper classes embedded RK method 562 - Added new stepper classes embedded RK method:
789 * DoLoMcPriRK34, 6-stage 3/4 RK (interp 563 * DoLoMcPriRK34, 6-stage 3/4 RK (interpolation)
790 * DormandPrinceRK56, 9-stage 5/6 RK (interp 564 * DormandPrinceRK56, 9-stage 5/6 RK (interpolation, FSAL-able) "6(5)"
791 * DormandPrinceRK78, 13-stage 7/8 RK (interp 565 * DormandPrinceRK78, 13-stage 7/8 RK (interpolation) "8(7) 13M"
792 created by Somnath Banerjee as part of GSoC 566 created by Somnath Banerjee as part of GSoC 2015.
793 567
794 May 25, 2016 J.Apostolakis - field 568 May 25, 2016 J.Apostolakis - field-V10-02-08
795 -------------------------- 569 --------------------------
796 - Revised testPropagateMagField, to reduce err 570 - Revised testPropagateMagField, to reduce error severity for over-long
797 steps. An error message is still written 571 steps. An error message is still written if move > (1.+1.0e-9) * step,
798 but test does not stop. 572 but test does not stop.
799 573
800 - G4HelixMixedStepper: Fixes & added new (5th 574 - G4HelixMixedStepper: Fixes & added new (5th order) stepper choices.
801 Included (G4)Bogacki-Shampine 23/45 , Dor 575 Included (G4)Bogacki-Shampine 23/45 , DormandPrince745,
802 and newest TsitourasRK45. 576 and newest TsitourasRK45.
803 577
804 May 24, 2016 J.Apostolakis - field 578 May 24, 2016 J.Apostolakis - field-V10-02-06, 07
805 -------------------------- 579 --------------------------
806 - Added TsitourasRK45 stepper. 580 - Added TsitourasRK45 stepper.
807 - Made Cash-Karp the default stepper (in G4Cho 581 - Made Cash-Karp the default stepper (in G4ChordFinder).
808 << 582
809 May 23, 2016 J.Apostolakis - field 583 May 23, 2016 J.Apostolakis - field-V10-02-05
810 -------------------------- 584 --------------------------
811 - Made DormandPrince745 (DP45) the default ste 585 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
812 << 586
813 May 20, 2016 J.Apostolakis - field 587 May 20, 2016 J.Apostolakis - field-V10-02-04
814 ------------------------- 588 -------------------------
815 - Added steppers created by Somnath Banerjee a 589 - Added steppers created by Somnath Banerjee as part of GSoC 2015,
816 G4BogackiShampine23 (BS23 below), G4Bogack 590 G4BogackiShampine23 (BS23 below), G4BogackiShampine45 (BS45) and
817 DormandPrince745 (DP45). 591 DormandPrince745 (DP45).
818 These implement third order (BS23) and fifth 592 These implement third order (BS23) and fifth order (BS45, DP45)
819 embedded RK tableaus. 593 embedded RK tableaus.
820 - DP45 includes interpolation method, to evalu 594 - DP45 includes interpolation method, to evaluate the interpolant
821 ('y') at intermediate points of a successf 595 ('y') at intermediate points of a successful step.
822 BS45's interpolation method exists, but is n 596 BS45's interpolation method exists, but is not validated (fails).
823 597
824 References: 598 References:
825 - BS45 is embedded pair from paper by P. Bog 599 - BS45 is embedded pair from paper by P. Bogacki and L. F. Shampine:
826 “An efficient Runge-Kutta (4,5) pair, 600 “An efficient Runge-Kutta (4,5) pair,”
827 Comput. Math. with Appl., vol. 32, no. 6 601 Comput. Math. with Appl., vol. 32, no. 6, pp. 15–28, Sep. 1996.
828 - BS23 is four stage RK method from the pape 602 - 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 << 603 “A 3(2) pair of Runge - Kutta formulas,”
830 Appl. Math. Lett., vol 2, no 4, p.321 (1 604 Appl. Math. Lett., vol 2, no 4, p.321 (1989).
831 - DP45 are from Table 2 of J. R. Dormand an << 605 - DP45 are from Table 2 of J. R. Dormand and P. J. Prince's
832 “A family of embedded Runge-Kutta form 606 “A family of embedded Runge-Kutta formulae,”
833 Journal of comput. and applied Math., vo << 607 Journal of comput. and applied Math., vol. 6, no. 1, pp. 19–26, 1980.
834 608
835 May 4, 2016 G.Cosmo - field- 609 May 4, 2016 G.Cosmo - field-V10-02-03
836 ------------------- 610 -------------------
837 - Fixed Clone() signatures in derived Field cl 611 - Fixed Clone() signatures in derived Field classes.
838 More corrections on implementations of opera 612 More corrections on implementations of operator=() and copy-ctors.
839 613
840 Apr 29, 2016 G.Cosmo - field- 614 Apr 29, 2016 G.Cosmo - field-V10-02-02
841 -------------------- 615 --------------------
842 - Corrected implementation of operator=() and 616 - Corrected implementation of operator=() and copy-ctor for G4Field,
843 G4ElectroMagneticField, G4ElectricField and 617 G4ElectroMagneticField, G4ElectricField and G4CachedMagneticField.
844 618
845 Feb 25, 2016 P.Gumplinger - field- 619 Feb 25, 2016 P.Gumplinger - field-V10-02-01
846 ------------------------- 620 -------------------------
847 - address Problem Report: 1831 621 - address Problem Report: 1831
848 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin 622 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin, G4EqEMFieldWithEDM and
849 G4RepleteEofM.cc from g_BMT = (magMo 623 G4RepleteEofM.cc from g_BMT = (magMoment/muB)/spin
850 to g_BMT = (std:: 624 to g_BMT = (std::abs(magMoment)/muB)/spin
851 625
852 626
853 Dec 11, 2015 A.Dotti - field-V10-02-0 627 Dec 11, 2015 A.Dotti - field-V10-02-00
854 -------------------------- 628 --------------------------
855 Fixing typo in tests/CMakeList.txt file: subdi << 629 Fixing typo in tests/CMakeList.txt file: subdirecotry()
856 instead of add_subdirectory() 630 instead of add_subdirectory()
857 631
858 Nov 2, 2015 J.Apostolakis - field 632 Nov 2, 2015 J.Apostolakis - field-V10-01-15 (fixed)
859 Oct 22, 2015 J.Apostolakis - field 633 Oct 22, 2015 J.Apostolakis - field-V10-01-14
860 -------------------------- 634 --------------------------
861 - Reverted changes in G4FieldManager from tag 635 - Reverted changes in G4FieldManager from tags field-V10-01-05 to -07
862 inadvertently reintroduced in tag field-V10 636 inadvertently reintroduced in tag field-V10-01-13
863 (fixed in tag -15: committed new copy from 637 (fixed in tag -15: committed new copy from tag -04 'on top')
864 << 638
865 - Added explanation comment in G4MagHelicalSte 639 - Added explanation comment in G4MagHelicalSteper.
866 << 640
867 Oct 13, 2015 J.Apostolakis - field 641 Oct 13, 2015 J.Apostolakis - field-V10-01-13
868 -------------------------- 642 --------------------------
869 - G4ChordFinder::FindNextChord: Added check ag << 643 - G4ChordFinder::FindNextChord: Added check against number of iterations,
870 to identify potential issue of lack of conve 644 to identify potential issue of lack of convergence.
871 - test: fixed testProElectricMagField.cc 645 - test: fixed testProElectricMagField.cc
872 646
873 - Note: tag-13 inadvertently reintroduced chan 647 - Note: tag-13 inadvertently reintroduced changes from tags field-V10-01-05 to -07
874 648
875 Jun 26, 2015 P.Gumplinger - field 649 Jun 26, 2015 P.Gumplinger - field-V10-01-12, 11
876 ------------------------- 650 -------------------------
877 - Include 'NumberOfVariables' in G4RepleteEofM 651 - Include 'NumberOfVariables' in G4RepleteEofM constructor argument list.
878 652
879 Jun 22, 2015 G.Cosmo - field 653 Jun 22, 2015 G.Cosmo - field-V10-01-10
880 -------------------- 654 --------------------
881 - Withdrawn also changes introduced in tag "fi 655 - Withdrawn also changes introduced in tag "field-V10-01-08", as
882 responsible for memory violation errors in V 656 responsible for memory violation errors in Valgrind.
883 Now corresponding to tag "field-V10-01-04". 657 Now corresponding to tag "field-V10-01-04".
884 658
885 Jun 18, 2015 G.Cosmo - field 659 Jun 18, 2015 G.Cosmo - field-V10-01-09
886 -------------------- 660 --------------------
887 - Withdrawn changes introduced from tag "field 661 - Withdrawn changes introduced from tag "field-V10-01-05" to tag
888 "field-V10-01-07" included, responsible for 662 "field-V10-01-07" included, responsible for failures on SLC6 and
889 run-time errors on Valgrind checks. 663 run-time errors on Valgrind checks.
890 664
891 Jun 10, 2015 P.Gumplinger - field 665 Jun 10, 2015 P.Gumplinger - field-V10-01-08
892 ------------------------- 666 -------------------------
893 - initialize all elements of dydx[] in G4Reple 667 - initialize all elements of dydx[] in G4RepleteEofM::EvaluateRhsGivenB
894 Thanks to Tatsuya Kikawa (Osaka Univ.) 668 Thanks to Tatsuya Kikawa (Osaka Univ.)
895 669
896 Jun 10, 2015 J.Apostolakis - field 670 Jun 10, 2015 J.Apostolakis - field-V10-01-07
897 -------------------------- 671 --------------------------
898 - G4FieldManager.cc : Made behaviour of SetDet 672 - G4FieldManager.cc : Made behaviour of SetDetector 'softer'. No
899 longer complains by default if ChordFinder 673 longer complains by default if ChordFinder is not (yet) set.
900 ( The default values of failMode = 0 i.e. 674 ( The default values of failMode = 0 i.e. quiet. )
901 If a chord-finder exists, it will still war 675 If a chord-finder exists, it will still warn for other errors.
902 << 676
903 It is still possible to have louder/extra c 677 It is still possible to have louder/extra checks done calling
904 SetDetectorField with failMode > 0 678 SetDetectorField with failMode > 0
905 or by using a new method, which expects an 679 or by using a new method, which expects an existing field:
906 ChangeDetectorField(G4Field *detectorFiel << 680 ChangeDetectorField(G4Field *detectorField)
907 681
908 Jun 8, 2015 J.Apostolakis - field 682 Jun 8, 2015 J.Apostolakis - field-V10-01-05, (-06 fixed)
909 -------------------------- 683 --------------------------
910 - G4FieldManager.cc : Revised behaviour of Set 684 - G4FieldManager.cc : Revised behaviour of SetDetector - it now
911 passes the Field to the Equation, as is the 685 passes the Field to the Equation, as is the natural user expectation
912 The previous behaviour is possible, using e << 686 The previous behaviour is possible, using extra argument 'failMode'
913 flag. Values: 0 = silent ; << 687 flag. Values: 0 = silent ;
914 1 (default) = warning; << 688 1 (default) = warning;
915 2 or other = fatal except 689 2 or other = fatal exception.
916 Or can use alternative (new) suggestion met 690 Or can use alternative (new) suggestion method ProposeDetectorField();
917 691
918 This change is to ensure that user expectat << 692 This change is to ensure that user expectation is met:
919 if the field is changed for an existing, << 693 if the field is changed for an existing, working stepper it must
920 be propagated to the equation of motion. 694 be propagated to the equation of motion.
921 Note: this causes potential conflict betwee 695 Note: this causes potential conflict between the type of the equation
922 and the field, which will need to be 696 and the field, which will need to be solved in the future.
923 697
924 Old behaviour (just set our own pointer) is 698 Old behaviour (just set our own pointer) is still available in new method:
925 ProposeDetectorField(G4Field *detectorFie << 699 ProposeDetectorField(G4Field *detectorField)
926 700
927 Co-works and requires new tag in geometry/n 701 Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
928 702
929 Jun 4, 2015 P. Gumplinger - field 703 Jun 4, 2015 P. Gumplinger - field-V10-01-04
930 ------------------------- 704 -------------------------
931 - change assignment to field instead of Field 705 - change assignment to field instead of Field array in G4RepleteEofM.cc
932 706
933 Jan 28, 2015 J.Apostolakis - field 707 Jan 28, 2015 J.Apostolakis - field-V10-01-01 (-02,03 fixed)
934 -------------------------- 708 -------------------------- ( History )
935 - Revert unintended inclusion of changes in G4 709 - Revert unintended inclusion of changes in G4MagIntegratorDriver
936 710
937 Jan 15, 2015 J.Apostolakis - field << 711 Jan 15, 2015 J.Apostolakis - field-V10-01-00
938 -------------------------- 712 --------------------------
939 - Small refinements in G4FieldTrack - access r 713 - Small refinements in G4FieldTrack - access rest mass, avoid div by 0
940 Avoid division by zero for Unit direction << 714 Avoid division by zero for Unit direction in FieldTrack
941 Added method to get Rest Mass. 715 Added method to get Rest Mass.
942 Needed for fixes related to Problem report 1 716 Needed for fixes related to Problem report 1696.
943 Thanks to Nathan S. Froemming <nfroemm@uw.ed 717 Thanks to Nathan S. Froemming <nfroemm@uw.edu> who reported the issue
944 and created dedicated test to demonstrate i 718 and created dedicated test to demonstrate it.
945 719
946 Nov 03, 2014 G.Cosmo - field 720 Nov 03, 2014 G.Cosmo - field-V10-00-04
947 -------------------- 721 --------------------
948 - Moved constructors and simple methods to in 722 - Moved constructors and simple methods to in line in G4ChargeState and
949 G4LineSection for CPU speedup (courtesy of S 723 G4LineSection for CPU speedup (courtesy of S.Wenzel).
950 724
951 May 21, 2014 J.Apostolakis - field 725 May 21, 2014 J.Apostolakis - field-V10-00-03
952 -------------------------- 726 --------------------------
953 - G4FieldTrack: 727 - G4FieldTrack:
954 * Fixed SetChargeAndMoments() to use the new 728 * Fixed SetChargeAndMoments() to use the new method
955 G4ChargeState::SetChargesAndMoments(); it 729 G4ChargeState::SetChargesAndMoments(); it was changing spin, because of
956 erroneous change in G4ChargeState::SetChar 730 erroneous change in G4ChargeState::SetChargesAndMoments(), that method
957 is now renamed SetChargeSpinMoments() to s 731 is now renamed SetChargeSpinMoments() to show what it does;
958 * Added pdg-spin as argument to constructors 732 * Added pdg-spin as argument to constructors (needed to track polarization);
959 * Renamed 'spin' to 'Polarization' in method 733 * Renamed 'spin' to 'Polarization' in method, arguments, data member to
960 avoid confusion; 734 avoid confusion;
961 * Revised constructors to add pdg-spin as la 735 * Revised constructors to add pdg-spin as last argument (with default -1).
962 - G4ChargeState: 736 - G4ChargeState:
963 - Addressed Coverity issue #56281 'Arguments << 737 - Addressed Coverity issue #56281 'Arguments in wrong order'
964 G4ChargeState::SetChargeMoments() when use 738 G4ChargeState::SetChargeMoments() when used in
965 G4FieldTrack::SetChargeMoments() from addi 739 G4FieldTrack::SetChargeMoments() from addition of spin to arguments,
966 without revising name of method to reflect 740 without revising name of method to reflect it;
967 - Changed order of arguments in constructor, 741 - Changed order of arguments in constructor, making spin 3rd argument
968 (was 2nd) and making all arguments mandato 742 (was 2nd) and making all arguments mandatory;
969 - Renamed SetChargeAndMoments() method with 743 - Renamed SetChargeAndMoments() method with 5 arguments including spin (2nd)
970 to SetChargeSpinMoments(); 744 to SetChargeSpinMoments();
971 - Added new methods including SetChargesAndM 745 - Added new methods including SetChargesAndMoments(), SetChargeMdm(),
972 SetChargeDipoleMoments() (no spin), and al 746 SetChargeDipoleMoments() (no spin), and also SetChargeSpin(),
973 SetChargeMdmSpin() (which includes spin) t << 747 SetChargeMdmSpin() (which includes spin) to provide most/all potential
974 combinations. 748 combinations.
975 - G4MagIntegratorDriver::OneGoodStep(): 749 - G4MagIntegratorDriver::OneGoodStep():
976 * Trial changes to address Valgrind issue, a 750 * Trial changes to address Valgrind issue, about value used before being set.
977 751
978 Apr 01, 2014 J.Apostolakis - fi 752 Apr 01, 2014 J.Apostolakis - field-V10-00-02
979 -------------------------- 753 --------------------------
980 - Moved G4FieldTrack::LoadFromArray() to .cc a 754 - Moved G4FieldTrack::LoadFromArray() to .cc and removed non-necessary
981 thread-local static data local to the functi 755 thread-local static data local to the function.
982 756
983 Mar 14, 2014 J.Apostolakis - fi 757 Mar 14, 2014 J.Apostolakis - field-V10-00-01
984 -------------------------- 758 --------------------------
985 - Fix assignment operator for G4FieldTrack. (C 759 - Fix assignment operator for G4FieldTrack. (Copied Rest Mass)
986 - Improve printing of G4FieldTrack 760 - Improve printing of G4FieldTrack
987 761
988 Jan 17, 2014 P.Gumplinger - fi 762 Jan 17, 2014 P.Gumplinger - field-V10-00-00
989 ------------------------- 763 -------------------------
990 - add G4Mag_EqRhs::SetChargeMomentumMass( part 764 - add G4Mag_EqRhs::SetChargeMomentumMass( particleCharge, MomentumXc, mass)
991 to G4Mag_SpinEqRhs::SetChargeMomentumMass, s 765 to G4Mag_SpinEqRhs::SetChargeMomentumMass, see bug reported at:
992 http://hypernews.slac.stanford.edu/HyperNews 766 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/210.html
993 767
994 Nov 18, 2013 P.Gumplinger - fi 768 Nov 18, 2013 P.Gumplinger - field-V09-06-13/12
995 ------------------------- 769 -------------------------
996 - fix Coverity warning in G4RepleteEofM 770 - fix Coverity warning in G4RepleteEofM
997 771
998 Nov 17, 2013 J.Apostolakis << 772 Nov 17, 2013 J.Apostolakis
999 -------------------------- 773 --------------------------
1000 - Fixed and improved HelixMixed Stepper: 774 - Fixed and improved HelixMixed Stepper:
1001 Corrected the default stepper for small s 775 Corrected the default stepper for small steps to be ClassicalRK4.
1002 Added Angle-threshold parameter. (Default 776 Added Angle-threshold parameter. (Default remains 0.33 radians.)
1003 Added more Steppers, including G4NystromR 777 Added more Steppers, including G4NystromRK4.
1004 Revised Id numbers of Steppers, to make t 778 Revised Id numbers of Steppers, to make the best more visible.
1005 More comments in Stepper(). 779 More comments in Stepper().
1006 780
1007 Nov 05, 2013 P.Gumplinger - f 781 Nov 05, 2013 P.Gumplinger - field-V09-06-11
1008 ------------------------- 782 -------------------------
1009 - remove writing out-of-bounds dydx[8] = 0. i 783 - remove writing out-of-bounds dydx[8] = 0. in G4RepleteEofM.cc
1010 784
1011 Nov 04, 2013 P.Gumplinger - f 785 Nov 04, 2013 P.Gumplinger - field-V09-06-10
1012 ------------------------- 786 -------------------------
1013 - add G4RepleteEofM to sources.cmake 787 - add G4RepleteEofM to sources.cmake
1014 f 788 field-V09-06-09 - same as
1015 Nov 01st, 2013 P.Gumplinger - f 789 Nov 01st, 2013 P.Gumplinger - field-V09-06-08
1016 --------------------------- 790 ---------------------------
1017 - add G4RepleteEofM: EofM that includes force 791 - add G4RepleteEofM: EofM that includes force due to B, E, and gravity field
1018 as well as mu*grad(B) and spin tracking. 792 as well as mu*grad(B) and spin tracking.
1019 793
1020 May 10th, 2013 P.Gumplinger/J.Apostolakis - f 794 May 10th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-07
1021 ----------------------------------------- 795 -----------------------------------------
1022 - Revised number of field components (to allo 796 - Revised number of field components (to allow up to 24).
1023 18 are required for new applications (B, E 797 18 are required for new applications (B, E, Gravity, B-gradients)
1024 - Fixes for initialisation errors found by Co 798 - Fixes for initialisation errors found by Coverity.
1025 799
1026 May 10th, 2013 P.Gumplinger - field-V09-06-06 800 May 10th, 2013 P.Gumplinger - field-V09-06-06
1027 --------------------------- 801 ---------------------------
1028 - prevent divided by zero and shortcut spin t 802 - prevent divided by zero and shortcut spin tracking for spin == 0
1029 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldW 803 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc and
1030 G4EqEMFieldWithEDM.cc 804 G4EqEMFieldWithEDM.cc
1031 f << 805 field-V09-06-05 - same
1032 May 8th, 2013 P.Gumplinger/J.Apostolakis - f 806 May 8th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-04
1033 ----------------------------------------- 807 -----------------------------------------
1034 - Introduced new class G4ChargeState to hold 808 - Introduced new class G4ChargeState to hold charge, spin, magnetic moment
1035 (promoted from internal class of G4Field 809 (promoted from internal class of G4FieldTrack).
1036 - Changed the signature of EquationOfMotion:: 810 - Changed the signature of EquationOfMotion::SetChargeMomentumMass to
1037 take G4ChargeState in place of G4double (cha 811 take G4ChargeState in place of G4double (charge) as first argument.
1038 - Deleted SetChargeMomentumMass from G4ChordF 812 - Deleted SetChargeMomentumMass from G4ChordFinder, G4PropagatorInField,
1039 G4MagInt_Driver 813 G4MagInt_Driver
1040 814
1041 - Migrated testPropagateMagField and testProp 815 - Migrated testPropagateMagField and testPropagateSpin.
1042 816
1043 March 19th, 2013 G.Cosmo - field-V09-06-03, f 817 March 19th, 2013 G.Cosmo - field-V09-06-03, field-V09-06-02
1044 ------------------------- 818 -------------------------
1045 - Cleanup of MT changes in G4FieldManagerStor 819 - Cleanup of MT changes in G4FieldManagerStore.
1046 820
1047 February 26th, 2013 A.Dotti - field-V09-06-01 821 February 26th, 2013 A.Dotti - field-V09-06-01
1048 --------------------------- 822 ---------------------------
1049 - First implementation of Cloning mechanism ( 823 - First implementation of Cloning mechanism (needed for MT)
1050 824
1051 February 22nd, 2013 G.Cosmo - field-V09-06-00 825 February 22nd, 2013 G.Cosmo - field-V09-06-00
1052 --------------------------- 826 ---------------------------
1053 - Cleanup of unnecessary changes for multi-th 827 - Cleanup of unnecessary changes for multi-threading in G4QuadrupoleMagField.
1054 - Removed unused private data-members in G4Ma 828 - Removed unused private data-members in G4Mag_UsualEqRhs and G4RKG3_Stepper.
1055 829
1056 November 14th, 2012 P.Mato - field-V09-05-07 830 November 14th, 2012 P.Mato - field-V09-05-07
1057 -------------------------- 831 --------------------------
1058 - G4QuadrupoleMagField: allow displaced origi 832 - G4QuadrupoleMagField: allow displaced origin and rotation (Björn Riese)
1059 - Added G4SystemOfUnits.hh in unit tests 833 - Added G4SystemOfUnits.hh in unit tests
1060 834
1061 August 30th, 2012 P.Mato - field-V09-05-06 835 August 30th, 2012 P.Mato - field-V09-05-06
1062 ------------------------ 836 ------------------------
1063 - Adapted CMakeLists.txt files to new unit te 837 - Adapted CMakeLists.txt files to new unit tests
1064 838
1065 June 11th, 2012 G.Cosmo - field-V09-05-05 839 June 11th, 2012 G.Cosmo - field-V09-05-05
1066 ----------------------- 840 -----------------------
1067 - Explicitly use inclusion of headers for sys 841 - Explicitly use inclusion of headers for system of units and physical
1068 constants, in plan to remove implicit inclu 842 constants, in plan to remove implicit inclusion from globals.hh.
1069 843
1070 May 14th, 2012 G.Cosmo - field-V09-05-04 844 May 14th, 2012 G.Cosmo - field-V09-05-04
1071 ---------------------- 845 ----------------------
1072 - Fixed spurious case of hidden variable visi 846 - Fixed spurious case of hidden variable visibility in G4NystromRK4,
1073 detected with '-Wshadow' compilation option 847 detected with '-Wshadow' compilation option on gcc compiler.
1074 848
1075 February 3rd, 2012 J.Apostolakis - field-V09 849 February 3rd, 2012 J.Apostolakis - field-V09-05-03
1076 --------------------------------- 850 ---------------------------------
1077 - G4FieldTrack: << 851 - G4FieldTrack:
1078 Added new (inline) method to set the Rest << 852 Added new (inline) method to set the Rest Mass. Needed in order to
1079 reset this - and keep reuse the same G 853 reset this - and keep reuse the same G4FieldTrack in a client
1080 (across tracks.) 854 (across tracks.)
1081 Made SetCurvePnt() method private. 855 Made SetCurvePnt() method private.
1082 Simplified implementation of constructors << 856 Simplified implementation of constructors. Gain of 1 square root and
1083 1 division per call. 857 1 division per call.
1084 858
1085 February 3rd, 2012 G.Cosmo - field-V09-05-0 859 February 3rd, 2012 G.Cosmo - field-V09-05-02
1086 ---------------------------- 860 ----------------------------
1087 - Removed tests in CMakeLists.txt causing cat 861 - Removed tests in CMakeLists.txt causing catastrophic failure in system
1088 testing! 862 testing!
1089 863
1090 February 2nd, 2012 J.Apostolakis - field-V0 864 February 2nd, 2012 J.Apostolakis - field-V09-05-01
1091 ---------------------------------- 865 ----------------------------------
1092 - G4Mag_UsualEqRhs: in SetChargeMomentumMass( 866 - G4Mag_UsualEqRhs: in SetChargeMomentumMass() method, fixed problem with
1093 division by zero; stopped updating 'fInvCur 867 division by zero; stopped updating 'fInvCurrentMomentumXc' (data member
1094 is obsolete). 868 is obsolete).
1095 - Added tests in CMakeLists.txt 869 - Added tests in CMakeLists.txt
1096 870
1097 December 13th, 2011 G.Cosmo - field-V09-05-0 871 December 13th, 2011 G.Cosmo - field-V09-05-00
1098 ---------------------------- 872 ----------------------------
1099 - Fixed Coverity defects in G4SimpleRunge (re 873 - Fixed Coverity defects in G4SimpleRunge (removed spurious pointer
1100 data member) and G4FieldTrack (missing G4Ch 874 data member) and G4FieldTrack (missing G4ChargeState::operator=()).
1101 - Synchronised unit tests to trunk (new test 875 - Synchronised unit tests to trunk (new test field07 and minor updates).
1102 876
1103 November 11th, 2011 J.Apostolakis - field-V0 877 November 11th, 2011 J.Apostolakis - field-V09-04-06
1104 ---------------------------------- 878 ----------------------------------
1105 - Added G4Field.cc to list of files in source 879 - Added G4Field.cc to list of files in sources.cmake
1106 880
1107 November 4th, 2011 J.Apostolakis - field-V0 881 November 4th, 2011 J.Apostolakis - field-V09-04-05
1108 ---------------------------------- 882 ----------------------------------
1109 - G4Field: revised to improve ability to dete 883 - G4Field: revised to improve ability to detect gravity field:
1110 Added new data member to identify gravity f 884 Added new data member to identify gravity field;
1111 Added new method IsGravityActive() to acces 885 Added new method IsGravityActive() to access this data member;
1112 Created new source file: moving constructor 886 Created new source file: moving constructors to it.
1113 - Changed G4UniformGravityField and G4Electro << 887 - Changed G4UniformGravityField and G4ElectroMagneticField
1114 to accomodate this refinement. 888 to accomodate this refinement.
1115 889
1116 November 2nd, 2011 P.Gumplinger - field-V09- 890 November 2nd, 2011 P.Gumplinger - field-V09-04-04
1117 -------------------------------- 891 --------------------------------
1118 - update list of files in sources.cmake 892 - update list of files in sources.cmake
1119 893
1120 October 28th, 2011 P.Gumplinger - field-V09- 894 October 28th, 2011 P.Gumplinger - field-V09-04-03
1121 -------------------------------- 895 --------------------------------
1122 - Added (uniform) gravity field capability. << 896 - Added (uniform) gravity field capability.
1123 New classes G4EqGravityField, G4UniformGrav 897 New classes G4EqGravityField, G4UniformGravityField.
1124 898
1125 *Required* for co-working tag in Transporta 899 *Required* for co-working tag in Transportation
1126 900
1127 October 12th, 2011 P.Gumplinger - field-V09- 901 October 12th, 2011 P.Gumplinger - field-V09-04-02
1128 -------------------------------- 902 --------------------------------
1129 - replaced: omegac = 0.105658387*GeV/mass * 2 903 - replaced: omegac = 0.105658387*GeV/mass * 2.837374841e-3*(rad/cm/kilogauss)
1130 with: omegac = (eplus/particleMass)*c_l 904 with: omegac = (eplus/particleMass)*c_light
1131 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.c 905 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc
1132 changed calculation: << 906 changed calculation:
1133 std::sqrt(kineticEnergy*kineticEnergy + 907 std::sqrt(kineticEnergy*kineticEnergy + 2.0*restMass_c2*kineticEnergy);
1134 to: 908 to:
1135 std::sqrt(kineticEnergy*(kineticEnergy+2 909 std::sqrt(kineticEnergy*(kineticEnergy+2.0*restMass_c2))
1136 in G4FieldTrack.cc 910 in G4FieldTrack.cc
1137 911
1138 August 11th, 2011 G.Cosmo - field-V09-04-01 912 August 11th, 2011 G.Cosmo - field-V09-04-01
1139 -------------------------- 913 --------------------------
1140 - Migrated to new G4Exception scheme for warn 914 - Migrated to new G4Exception scheme for warnings and errors.
1141 - Defined scheme for warnings/errors coding: 915 - Defined scheme for warnings/errors coding:
1142 + 1xxx for warnings, 0xxx for errors. 916 + 1xxx for warnings, 0xxx for errors.
1143 Code numbering: 917 Code numbering:
1144 + 0001: not supported or implemented featur 918 + 0001: not supported or implemented features;
1145 + 0002: invalid setup/construct; 919 + 0002: invalid setup/construct;
1146 + 0003: invalid run condition; 920 + 0003: invalid run condition;
1147 + 1001: incorrect setup; automatically adap 921 + 1001: incorrect setup; automatically adapted.
1148 + 1002: notification. 922 + 1002: notification.
1149 923
1150 May 13th, 2011 J.Apostolakis 924 May 13th, 2011 J.Apostolakis
1151 ---------------------------- 925 ----------------------------
1152 - Added new class G4TrialsCounter for keeping 926 - Added new class G4TrialsCounter for keeping statistics of trials.
1153 - Avoid printing out pointer in G4CachedMagne 927 - Avoid printing out pointer in G4CachedMagneticField::ReportStatistics().
1154 - Updated unit tests. 928 - Updated unit tests.
1155 929
1156 May 12th, 2011 G.Cosmo - field-V09-04-00 930 May 12th, 2011 G.Cosmo - field-V09-04-00
1157 ----------------------- 931 -----------------------
1158 - Fixed compilation warnings from gcc-4.6.0 f 932 - Fixed compilation warnings from gcc-4.6.0 for variables set but not used.
1159 933
1160 May 5th, 2011 J.Apostolakis 934 May 5th, 2011 J.Apostolakis
1161 ---------------------------- 935 ----------------------------
1162 - Reordered data members to group invariants, 936 - Reordered data members to group invariants, field parameters, etc...
1163 937
1164 Sep 10th, 2010 J.Apostolakis - field-V09-03- 938 Sep 10th, 2010 J.Apostolakis - field-V09-03-03
1165 ----------------------------- 939 -----------------------------
1166 - Revised constructor of G4MagErrorStepper to 940 - Revised constructor of G4MagErrorStepper to add number of State variables
1167 - Corrected MagErrorStepper to copy State Var 941 - Corrected MagErrorStepper to copy State Variable to output
1168 - Enable G4ConstRK4 to copy remaining State V 942 - Enable G4ConstRK4 to copy remaining State Variables (must integrate 6)
1169 943
1170 Sep 10th, 2010 J.Apostolakis - field-V09-03- 944 Sep 10th, 2010 J.Apostolakis - field-V09-03-02
1171 ----------------------------- 945 -----------------------------
1172 - New class G4MonopoleEq for rhs of d(pc)/ds 946 - New class G4MonopoleEq for rhs of d(pc)/ds propagation in field
1173 in SI units (V.Grichine). 947 in SI units (V.Grichine).
1174 - Fixed passing of time in G4NystromRK4 948 - Fixed passing of time in G4NystromRK4
1175 949
1176 Jul 21st, 2010 T.Nikitina - field-V09-03-01 950 Jul 21st, 2010 T.Nikitina - field-V09-03-01
1177 -------------------------- 951 --------------------------
1178 - Fixed cases of memory corruption in G4RKG3_ 952 - Fixed cases of memory corruption in G4RKG3_Stepper.
1179 - Fixed case of unused array data member in G 953 - Fixed case of unused array data member in G4ExactHelixStepper.
1180 - Removed useless code never executed in G4Co 954 - Removed useless code never executed in G4ConstRK4::Stepper().
1181 - Fixed initialization in G4NystromRK4 constr 955 - Fixed initialization in G4NystromRK4 constructor.
1182 956
1183 Jul 14th, 2010 G.Cosmo - field-V09-03-00 957 Jul 14th, 2010 G.Cosmo - field-V09-03-00
1184 ----------------------- 958 -----------------------
1185 - Added dummy initialization of members in co 959 - Added dummy initialization of members in constructors for G4CashKarpRKF45,
1186 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMField 960 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMFieldWithSpin, G4ExactHelixStepper,
1187 G4FieldTrack, G4MagHelicalStepper, G4MagInt 961 G4FieldTrack, G4MagHelicalStepper, G4MagInt_Driver, G4Mag_EqRhs,
1188 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4Nystro 962 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4NystromRK4, G4RKG3_Stepper,
1189 G4UniformElectricField, G4UniformElectricFi 963 G4UniformElectricField, G4UniformElectricField.
1190 964
1191 Nov 12th, 2009 J.Apostolakis - field-V09-02- 965 Nov 12th, 2009 J.Apostolakis - field-V09-02-09
1192 ----------------------------- 966 -----------------------------
1193 - G4MagIntegratorDriver: activate check on i 967 - G4MagIntegratorDriver: activate check on integration error for spin.
1194 968
1195 Nov 12th, 2009 J.Apostolakis - field-V09-02- 969 Nov 12th, 2009 J.Apostolakis - field-V09-02-08
1196 ----------------------------- (fix only) 970 ----------------------------- (fix only)
1197 - G4Nystrom: Corrected interface method getF 971 - G4Nystrom: Corrected interface method getField: array now has explicit dimension[4]
1198 (Problem found by gcc 4.3 - i 972 (Problem found by gcc 4.3 - it checked indices used in inline method! )
1199 973
1200 Nov 6th, 2009 P.Gumplinger - field-V09-02-07 974 Nov 6th, 2009 P.Gumplinger - field-V09-02-07
1201 --------------------------- 975 ---------------------------
1202 - bug fix in G4EqEMFieldWithSpin and G4EqEMFi 976 - bug fix in G4EqEMFieldWithSpin and G4EqEMFieldWithEDM
1203 thanks to Hiromi Iinuma (KEK) see: 977 thanks to Hiromi Iinuma (KEK) see:
1204 http://hypernews.slac.stanford.edu/HyperNew 978 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/161.html
1205 979
1206 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 980 Nov 5th, 2009 J.Apostolakis - field-V09-02-06
1207 ---------------------------- 981 ----------------------------
1208 - G4MagIntegratorDriver.cc : Enabled call to 982 - G4MagIntegratorDriver.cc : Enabled call to ComputeRightHandSide
1209 - G4NystromRK4.cc : Disabled auxilia 983 - G4NystromRK4.cc : Disabled auxiliary code in Stepper (needed if
1210 ComputeRightHan 984 ComputeRightHandSide is not called.)
1211 985
1212 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 986 Nov 5th, 2009 J.Apostolakis - field-V09-02-05
1213 ---------------------------- 987 ----------------------------
1214 - Added new virtual method CalculateRightHand 988 - Added new virtual method CalculateRightHandSide to G4MagIntegratorStepper for use
1215 in caching momentum (and field value) b 989 in caching momentum (and field value) by G4NystromRK4
1216 Default implementation in G4MagIntegrat 990 Default implementation in G4MagIntegratorStepper calls RightHandSide inline method.
1217 - G4Nystrom: New Set/Get method for cache di 991 - G4Nystrom: New Set/Get method for cache distance.
1218 Changed private data members in 992 Changed private data members in G4NystromRK4.
1219 - G4MagIntegratorDriver: alternative call to 993 - G4MagIntegratorDriver: alternative call to ComputeRightHandSide is not used (in comment)
1220 As a result G4NystromRK4 operat << 994 As a result G4NystromRK4 operates without reusing
1221 995
1222 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 996 Nov 5th, 2009 J.Apostolakis - field-V09-02-04
1223 ---------------------------- 997 ----------------------------
1224 - G4CachedMagneticField: New Simple class to << 998 - G4CachedMagneticField: New Simple class to cache value of Magnetic Field.
1225 Speeds up code when calculation of field 999 Speeds up code when calculation of field value is complex.
1226 - G4NystromRK4 : New Stepper with Nys 1000 - G4NystromRK4 : New Stepper with Nystrom for magnetic field
1227 with analytic estimation of integration << 1001 with analytic estimation of integration error.
1228 Greatly reduces number of field value pe 1002 Greatly reduces number of field value per step.
1229 - Revised testPropagateMagField to use Cached 1003 - Revised testPropagateMagField to use Cached Quadrupole field,
1230 and to cover G4NystromRK4 and G4ConstRK4 1004 and to cover G4NystromRK4 and G4ConstRK4.
1231 1005
1232 Nov 4th, 2009 P.Gumplinger - field-V09-02-03 1006 Nov 4th, 2009 P.Gumplinger - field-V09-02-03
1233 --------------------------- 1007 ---------------------------
1234 - (minor change) remove comment from G4EqEMFi 1008 - (minor change) remove comment from G4EqEMFieldWithSpin.cc
1235 add G4EqEMFieldWithEDM class: this is the R 1009 add G4EqEMFieldWithEDM class: this is the RHS of EofM in a combined
1236 electric and magnetic field, with spin trac 1010 electric and magnetic field, with spin tracking for both MDM and EDM terms.
1237 Thanks to Kevin Lynch, Phys. Dept. at Bosto 1011 Thanks to Kevin Lynch, Phys. Dept. at Boston University.
1238 1012
1239 May 18th, 2009 T.Nikitina - field-V09-02-02 1013 May 18th, 2009 T.Nikitina - field-V09-02-02
1240 ------------------------- 1014 -------------------------
1241 - Enhanced algorithm G4ChordFinder::ApproxCur 1015 - Enhanced algorithm G4ChordFinder::ApproxCurvePointS() in order to speedup
1242 BrentLocator. 1016 BrentLocator.
1243 1017
1244 March 25th, 2009 G.Cosmo - field-V09-02-01 1018 March 25th, 2009 G.Cosmo - field-V09-02-01
1245 ------------------------ 1019 ------------------------
1246 - Some code cleanup and formatting... 1020 - Some code cleanup and formatting...
1247 1021
1248 March 6th, 2009 P.Gumplinger - field-V09-02-0 1022 March 6th, 2009 P.Gumplinger - field-V09-02-00
1249 ---------------------------- 1023 ----------------------------
1250 - Added 3rd term of BMT equation (Spin x Beta 1024 - Added 3rd term of BMT equation (Spin x Beta x Efield) to G4EqEMFieldWithSpin,
1251 addresses emfields forum posting #155 (bug 1025 addresses emfields forum posting #155 (bug report). Thanks to Kevin Lynch,
1252 Phys. Dept. at Boston University. 1026 Phys. Dept. at Boston University.
1253 - Moved renormalization of spin from G4EqEMFi 1027 - Moved renormalization of spin from G4EqEMFieldWithSpin and G4Mag_SpinEqRhs to
1254 G4ClassicalRK4 and G4SimpleHeum. 1028 G4ClassicalRK4 and G4SimpleHeum.
1255 - Added Spin propagation errors to the criter 1029 - Added Spin propagation errors to the criteria for 'OneGoodStep' in
1256 G4MagIntegratorDriver but actually don't ad 1030 G4MagIntegratorDriver but actually don't add it (yet) to the decision logic.
1257 1031
1258 November, 19th, 2008 P.Gumplinger - field-V0 1032 November, 19th, 2008 P.Gumplinger - field-V09-01-05
1259 ---------------------------------- 1033 ----------------------------------
1260 - Renormalized the spin to 1 in G4EqEMFieldWi 1034 - Renormalized the spin to 1 in G4EqEMFieldWithSpin and G4Mag_SpinEqRhs.
1261 1035
1262 November, 7th, 2008 P.Gumplinger - field-V0 1036 November, 7th, 2008 P.Gumplinger - field-V09-01-04
1263 ---------------------------------- 1037 ----------------------------------
1264 - Added SetAnomaly() and GetAnomaly() accesso 1038 - Added SetAnomaly() and GetAnomaly() accessors to G4EqEMFieldWithSpin.
1265 1039
1266 October, 28th, 2008 T.Nikitina - field-V09- 1040 October, 28th, 2008 T.Nikitina - field-V09-01-03
1267 -------------------------------- 1041 --------------------------------
1268 - Added 'ApproxCurveV' to method G4ChordFinde << 1042 - Added 'ApproxCurveV' to method G4ChordFinder::ApproxCurvePointS() in
1269 order to better calculate the curve length. 1043 order to better calculate the curve length.
1270 - Some code cleanup. 1044 - Some code cleanup.
1271 1045
1272 September, 18th, 2008 T.Nikitina 1046 September, 18th, 2008 T.Nikitina
1273 ---------------------------------- 1047 ----------------------------------
1274 - Added new stepper class G4ConstRK4, perform 1048 - Added new stepper class G4ConstRK4, performing integration of one step
1275 with error calculation in constant magnetic 1049 with error calculation in constant magnetic field; implementation derived
1276 from G4ClassicalRK4. 1050 from G4ClassicalRK4.
1277 1051
1278 July, 15th, 2008 J.Apostolakis - field-V09- 1052 July, 15th, 2008 J.Apostolakis - field-V09-01-02
1279 -------------------------------- 1053 --------------------------------
1280 - Revised signature of G4ChordFinder::FinderN 1054 - Revised signature of G4ChordFinder::FinderNextChord(), making 'FieldTrack'
1281 argument passed a reference. 1055 argument passed a reference.
1282 1056
1283 May, 28th, 2008 T.Nikitina 1057 May, 28th, 2008 T.Nikitina
1284 ---------------------------- 1058 ----------------------------
1285 - G4ChordFinder: added new method ApproxCurve 1059 - G4ChordFinder: added new method ApproxCurvePointS() using Brent second order
1286 location mechanism. 1060 location mechanism.
1287 1061
1288 April 24th, 2008 T.Nikitina - field-V09-01- 1062 April 24th, 2008 T.Nikitina - field-V09-01-01
1289 ----------------------------- 1063 -----------------------------
1290 - Fix 'unused' non-initialized values of dydx 1064 - Fix 'unused' non-initialized values of dydx in G4EqMagElectricField
1291 and G4EqEMFieldWithSpin. 1065 and G4EqEMFieldWithSpin.
1292 1066
1293 January 17th, 2008 G.Cosmo - field-V09-01-0 1067 January 17th, 2008 G.Cosmo - field-V09-01-00
1294 ---------------------------- 1068 ----------------------------
1295 - G4CashKarpRKF45: deleted un-needed duplicat 1069 - G4CashKarpRKF45: deleted un-needed duplicate (and unused) instance variable
1296 'fNumberOfVariables', already defined in G4M 1070 'fNumberOfVariables', already defined in G4MagIntegratorStepper. (J.Ap.)
1297 - Some code cleanup. 1071 - Some code cleanup.
1298 1072
1299 December 7th, 2007 J.Apostolakis & T.Nikiti 1073 December 7th, 2007 J.Apostolakis & T.Nikitina - field-V09-00-03
1300 --------------------------------------------- 1074 -----------------------------------------------
1301 - New class G4FieldManagerStore. It enables r 1075 - New class G4FieldManagerStore. It enables resetting of all chord
1302 finders' state. Needed to address problem r 1076 finders' state. Needed to address problem reported by user.
1303 1077
1304 September 9th, 2007 G.Cosmo - field-V09-00-0 1078 September 9th, 2007 G.Cosmo - field-V09-00-02a
1305 ---------------------------- 1079 ----------------------------
1306 - Some code cleanup in G4MagHelicalStepper.cc 1080 - Some code cleanup in G4MagHelicalStepper.cc.
1307 1081
1308 August 30th, 2007 P.Gumplinger - field-V09 1082 August 30th, 2007 P.Gumplinger - field-V09-00-02
1309 --------------------------------- 1083 ---------------------------------
1310 - Add G4EqEMFieldWithSpin class to allow trac 1084 - Add G4EqEMFieldWithSpin class to allow tracking of spin also in
1311 G4ElectroMagneticFields 1085 G4ElectroMagneticFields
1312 1086
1313 August 21st, 2007 T.Nikitina - field-V09-0 1087 August 21st, 2007 T.Nikitina - field-V09-00-01
1314 ------------------------------- 1088 -------------------------------
1315 - Fix to DistChord() method for Helical Stepp 1089 - Fix to DistChord() method for Helical Steppers: adopt 'special' case
1316 also for Ang<2pi not only for Ang<pi; use c 1090 also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
1317 improve CPU performance. 1091 improve CPU performance.
1318 - Improved AdvanceHelix() to be able to make 1092 - Improved AdvanceHelix() to be able to make half step and full step
1319 in one call. 1093 in one call.
1320 - In G4HelixMixedStepper added possibility to 1094 - In G4HelixMixedStepper added possibility to call different steppers for
1321 small steps and add some statistics how off 1095 small steps and add some statistics how offen different steppers are called.
1322 - G4RKG3_Stepper: improved internal algorithm 1096 - G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
1323 the stepper now gives comparable CPU perfor << 1097 the stepper now gives comparable CPU performance as ClassicalRK4.
1324 - Updated unit tests. 1098 - Updated unit tests.
1325 1099
1326 August 17th, 2007 G.Cosmo - field-V09-00-0 1100 August 17th, 2007 G.Cosmo - field-V09-00-00
1327 ---------------------------- 1101 ----------------------------
1328 - Changed FatalException to EventMustBeAborte 1102 - Changed FatalException to EventMustBeAborted in AccurateAdvance()
1329 if proposed integration step is negative. 1103 if proposed integration step is negative.
1330 1104
1331 June 8th, 2007 T.Nikitina - field-V08-03-0 1105 June 8th, 2007 T.Nikitina - field-V08-03-03
1332 ---------------------------- 1106 ----------------------------
1333 - Relaxed FatalException to Warning in G4MagI << 1107 - Relaxed FatalException to Warning in G4MagIntegratorDriver::AccurateAdvance()
1334 for case of step zero and return previous v << 1108 for case of step zero and return previous value. This fixes problem
1335 observed by ATLAS in release 8.3 when requi 1109 observed by ATLAS in release 8.3 when requiring very accurate propagation
1336 -- ie using very small values for acceptabl 1110 -- ie using very small values for acceptable integration error.
1337 1111
1338 May 18th, 2007 T.Nikitina - field-V08-03-0 1112 May 18th, 2007 T.Nikitina - field-V08-03-02
1339 ---------------------------- 1113 ----------------------------
1340 - New class G4HelixMixedStepper, mixing helic 1114 - New class G4HelixMixedStepper, mixing helical stepper and RK
1341 G4MagHelicalStepper 1115 G4MagHelicalStepper
1342 - Keep values of inverse Radius, .. 1116 - Keep values of inverse Radius, ..
1343 - New calculation of DistChord for SteppingAn 1117 - New calculation of DistChord for SteppingAngle > pi
1344 G4RKG3Stepper 1118 G4RKG3Stepper
1345 - New calculation of DistChord for SteppingAn 1119 - New calculation of DistChord for SteppingAngle > pi
1346 1120
1347 May 16th, 2007 G.Cosmo - field-V08-03-01 1121 May 16th, 2007 G.Cosmo - field-V08-03-01
1348 ------------------------- 1122 -------------------------
1349 - Introduced new class G4ErrorMag_UsualEqRhs 1123 - Introduced new class G4ErrorMag_UsualEqRhs used to reverse the magnetic
1350 field when propagation is backwards for err 1124 field when propagation is backwards for error propagation (by P.Arce).
1351 - Coworks with tag "global-V08-03-02". 1125 - Coworks with tag "global-V08-03-02".
1352 1126
1353 May 11th, 2007 G.Cosmo - field-V08-03-00 1127 May 11th, 2007 G.Cosmo - field-V08-03-00
1354 ------------------------- 1128 -------------------------
1355 - Use call to G4GeometryTolerance instead of 1129 - Use call to G4GeometryTolerance instead of kCarTolerance constant in
1356 G4MagIntegratorDriver. 1130 G4MagIntegratorDriver.
1357 - Requires tag "global-V08-03-00" and related 1131 - Requires tag "global-V08-03-00" and related tag set.
1358 1132
1359 May 10th, 2007 J.Apostolakis - field-V08-0 1133 May 10th, 2007 J.Apostolakis - field-V08-02-01
1360 ------------------------------- 1134 -------------------------------
1361 - G4MagIntegratorDriver: << 1135 - G4MagIntegratorDriver:
1362 * added protections against zero initial 1136 * added protections against zero initial or internal step h=0, (exceptions)
1363 * revised (re)calculation of h, and quit << 1137 * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12)
1364 1138
1365 April 26th, 2007 T.Nikitina - field-V08-02-0 1139 April 26th, 2007 T.Nikitina - field-V08-02-00
1366 ---------------------------- 1140 ----------------------------
1367 - Corrected integration constants in G4MagHel 1141 - Corrected integration constants in G4MagHelicalStepper
1368 - Added implementation of G4RKG3_Stepper, ste 1142 - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
1369 - Updated NTST unit test. New unit test "fiel 1143 - Updated NTST unit test. New unit test "field06" for comparison of steppers.
1370 1144
1371 November 14th, 2006 J.Apostolakis - field-V0 1145 November 14th, 2006 J.Apostolakis - field-V08-01-02
1372 ---------------------------------- 1146 ----------------------------------
1373 - G4MagIntegratorDriver 1147 - G4MagIntegratorDriver
1374 * Made first argument of GetDerivatives a r 1148 * Made first argument of GetDerivatives a reference - avoid copy
1375 - G4MagIntegratorStepper 1149 - G4MagIntegratorStepper
1376 * Include the SetEquationOfMotion() method << 1150 * Include the SetEquationOfMotion() method in G4MagIntegratorStepper
1377 (for Geant4e, as in field-V08-01-00) 1151 (for Geant4e, as in field-V08-01-00)
1378 * Update of disclaimers. 1152 * Update of disclaimers.
1379 1153
1380 November 13th, 2006 G.Cosmo - field-V08-01-0 1154 November 13th, 2006 G.Cosmo - field-V08-01-01
1381 ---------------------------- 1155 ----------------------------
1382 - G4FieldTrack: 1156 - G4FieldTrack:
1383 o Implemented missing definition for GetCha 1157 o Implemented missing definition for GetCharge().
1384 o Corrected 'const' qualifier for accessors 1158 o Corrected 'const' qualifier for accessors in the subclass.
1385 o Cleanup ... 1159 o Cleanup ...
1386 - NOTE: this tag is NOT including the change 1160 - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
1387 1161
1388 June 21st, 2006 J.Apostolakis - field-V08-01 1162 June 21st, 2006 J.Apostolakis - field-V08-01-00
1389 ------------------------------ 1163 ------------------------------
1390 - Including the SetEquationOfMotion() method 1164 - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
1391 1165
1392 June 22nd, 2006 J.Apostolakis - field-V08-00 1166 June 22nd, 2006 J.Apostolakis - field-V08-00-07
1393 ----------------------------- 1167 -----------------------------
1394 - G4ExactHelixStepper: reintroduced corrected << 1168 - G4ExactHelixStepper: reintroduced corrected class
1395 --> testPropagateMagField now tests it al 1169 --> testPropagateMagField now tests it also (added)
1396 - G4MagHelicalStepper: made Stepper virtual ( << 1170 - G4MagHelicalStepper: made Stepper virtual (for now)
1397 to enable G4ExactHelixStepper to 1171 to enable G4ExactHelixStepper to override it
1398 1172
1399 June 21st, 2006 J.Apostolakis - field-V08-00 1173 June 21st, 2006 J.Apostolakis - field-V08-00-06
1400 ----------------------------- 1174 -----------------------------
1401 - G4ExactHelixStepper: taking out class << 1175 - G4ExactHelixStepper: taking out class
1402 (provisional tag in case of difficulties w 1176 (provisional tag in case of difficulties with class, revisions)
1403 1177
1404 --- The field-V08-00-0x , x > 6, tags do not 1178 --- The field-V08-00-0x , x > 6, tags do not include the change below
1405 1179
1406 May 27th, 2006 J.Apostolakis - field-V08-00- 1180 May 27th, 2006 J.Apostolakis - field-V08-00-05
1407 ----------------------------- 1181 -----------------------------
1408 - G4FieldTrack: Fix for simple compilation er 1182 - G4FieldTrack: Fix for simple compilation error on Sun.
1409 1183
1410 May 23rd, 2006 J.Apostolakis - field-V08-00- 1184 May 23rd, 2006 J.Apostolakis - field-V08-00-04
1411 ----------------------------- 1185 -----------------------------
1412 - G4FieldTrack: Fix for memory leak for Charg 1186 - G4FieldTrack: Fix for memory leak for ChargeState
1413 Made G4ChargeState a data member (has an i 1187 Made G4ChargeState a data member (has an instance)
1414 1188
1415 May 18th, 2006 J.Apostolakis - field-V08-00- 1189 May 18th, 2006 J.Apostolakis - field-V08-00-03
1416 ----------------------------- 1190 -----------------------------
1417 - G4FieldTrack: Fix for issue with gcc 4.0 ( 1191 - G4FieldTrack: Fix for issue with gcc 4.0 (mac)
1418 1192
1419 May 16th, 2006 J.Apostolakis - field-V08-00- 1193 May 16th, 2006 J.Apostolakis - field-V08-00-02
1420 ----------------------------- 1194 -----------------------------
1421 - G4ExactHelixStepper 1195 - G4ExactHelixStepper
1422 Taken out alpha version - it was included << 1196 Taken out alpha version - it was included in error
1423 1197
1424 May 11th, 2006 J.Apostolakis - field-V08-00- 1198 May 11th, 2006 J.Apostolakis - field-V08-00-01
1425 ----------------------------- 1199 -----------------------------
1426 - G4FieldTrack 1200 - G4FieldTrack
1427 Significant, provisional change: 1201 Significant, provisional change:
1428 * Added charge and moments to FieldTrack << 1202 * Added charge and moments to FieldTrack
1429 (SetMethods, and pointer to embedde 1203 (SetMethods, and pointer to embedded class G4ChargeState)
1430 Technical revisions: 1204 Technical revisions:
1431 * New constructor, with charge and witho 1205 * New constructor, with charge and without velocity
1432 * New almost-default constructor (taking 1206 * New almost-default constructor (taking a character)
1433 Also: << 1207 Also:
1434 * New constructor to take const referenc 1208 * New constructor to take const reference to Spin
1435 * New implementation method UpdateFourMo 1209 * New implementation method UpdateFourMomentum
1436 * Streaming operator takes const referen << 1210 * Streaming operator takes const reference,
1437 and outputs momentum magnitude & dir 1211 and outputs momentum magnitude & direction magn.
1438 1212
1439 - G4ExactHelixStepper 1213 - G4ExactHelixStepper
1440 Included in error << 1214 Included in error
1441 1215
1442 Apr 6th, 2006 J.Apostolakis - field-V08-00-0 1216 Apr 6th, 2006 J.Apostolakis - field-V08-00-00
1443 ---------------------------- 1217 ----------------------------
1444 - In G4FieldManager 1218 - In G4FieldManager
1445 Added missing const GetChordFinder() method << 1219 Added missing const GetChordFinder() method -- Problem report #847
1446 Corrected description (at top of include fil 1220 Corrected description (at top of include file hh):
1447 - It is possible to set the field manager o 1221 - It is possible to set the field manager of a logical volume (since long)
1448 1222
1449 1223
1450 Nov 9th, 2005 G.Cosmo - field-V07-01-00 1224 Nov 9th, 2005 G.Cosmo - field-V07-01-00
1451 ---------------------- 1225 ----------------------
1452 - Archived source code of field01 unit test, 1226 - Archived source code of field01 unit test, now moved to examples/extended.
1453 - Migrated unit test NTST to use <sstream> an 1227 - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
1454 with G4VParticleChange new interface. 1228 with G4VParticleChange new interface.
1455 1229
1456 Dec 2nd, 2004 G.Cosmo - field-V06-02-02 1230 Dec 2nd, 2004 G.Cosmo - field-V06-02-02
1457 ---------------------- 1231 ----------------------
1458 - Implemented migration to <cmath> for standa 1232 - Implemented migration to <cmath> for standard mathematical functions.
1459 1233
1460 Dec 2nd, 2004 J.Apostolakis - field-V06-02-0 1234 Dec 2nd, 2004 J.Apostolakis - field-V06-02-01
1461 ---------------------------- 1235 ----------------------------
1462 - Improvements to comments in key Field class 1236 - Improvements to comments in key Field classes
1463 - Changes to test/NTST, renaming 'main()' fil 1237 - Changes to test/NTST, renaming 'main()' file & modifying input files
1464 - Several improvements to test files 1238 - Several improvements to test files
1465 testProElectroMagField.cc 1239 testProElectroMagField.cc
1466 * updating for new Electric Field inheri 1240 * updating for new Electric Field inheritance (& need for
1467 different ChordFinder creation ) 1241 different ChordFinder creation )
1468 * adding columns to print-outs in spin c 1242 * adding columns to print-outs in spin case for better diagnosis
1469 testPropagateMagField.cc 1243 testPropagateMagField.cc
1470 * Added verbosity level 1 to field Propa 1244 * Added verbosity level 1 to field Propagator, relabelled old method.
1471 testPropagateSpin.cc 1245 testPropagateSpin.cc
1472 * Added more printout of parameters (sta 1246 * Added more printout of parameters (state) of G4PropagatorInField
1473 and G4FieldManager before running each 1247 and G4FieldManager before running each test.
1474 test/NTST 1248 test/NTST
1475 * Renamed main() file to testNTST.cc and 1249 * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
1476 1250
1477 1251
1478 Oct 20th, 2004 P.Gumplinger - field-V06-02-0 1252 Oct 20th, 2004 P.Gumplinger - field-V06-02-00
1479 ---------------------------- 1253 ----------------------------
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi 1254 - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
1481 1255
1482 Feb 9th, 2004 G.Cosmo - field-V06-00-00 1256 Feb 9th, 2004 G.Cosmo - field-V06-00-00
1483 ---------------------- 1257 ----------------------
1484 - G4UniformMagField.cc: added missing impleme 1258 - G4UniformMagField.cc: added missing implementation for
1485 GetConstantFieldValue(). Fixes bug report # 1259 GetConstantFieldValue(). Fixes bug report #575.
1486 1260
1487 Nov 13th, 2003 J.Apostolakis - field-V05-02- 1261 Nov 13th, 2003 J.Apostolakis - field-V05-02-08
1488 ----------------------------- 1262 -----------------------------
1489 - G4ChordFinder: << 1263 - G4ChordFinder:
1490 o extended the arguments of AdvanceChordLim 1264 o extended the arguments of AdvanceChordLimited and FindNextChord
1491 adding the current safety sphere (origin, 1265 adding the current safety sphere (origin, radius), for use in optimising.
1492 o fixed set functions which had side effect 1266 o fixed set functions which had side effect (on first fraction.)
1493 - Added new class G4ChordFinderSaf (using abo 1267 - Added new class G4ChordFinderSaf (using above)
1494 o which uses safety to create longer chords << 1268 o which uses safety to create longer chords, so enabling
1495 propagation in fewer steps --> performa 1269 propagation in fewer steps --> performance optimisation
1496 - G4FieldManager: << 1270 - G4FieldManager:
1497 Changed default accuracy parameters to mu 1271 Changed default accuracy parameters to much better values:
1498 Epsilon Min Default to 5.0e-5 from 1272 Epsilon Min Default to 5.0e-5 from 5.0e-7 (too small)
1499 Epsilon Max Default to 0.001 from 1273 Epsilon Max Default to 0.001 from 0.05 (far too big)
1500 1274
1501 Nov 7th, 2003 J.Apostolakis - field-V05-02- 1275 Nov 7th, 2003 J.Apostolakis - field-V05-02-07
1502 ----------------------------- 1276 -----------------------------
1503 - G4ChordFinder << 1277 - G4ChordFinder
1504 o Made this a base class 1278 o Made this a base class
1505 * to enable specialised implementations 1279 * to enable specialised implementations
1506 * virtual methods: FindNextChord, PrintSt 1280 * virtual methods: FindNextChord, PrintStatistics)
1507 * new method AccumulateStatistics to aid 1281 * new method AccumulateStatistics to aid in this
1508 1282
1509 o New default value of 1283 o New default value of Accuracy!!
1510 Delta Chord to 0.25 mm (from 1284 Delta Chord to 0.25 mm (from 3.00 mm) <-----
1511 << 1285
1512 - G4FieldManager 1286 - G4FieldManager
1513 o Changed default values of 1287 o Changed default values of
1514 Delta One Step to 0.010 mm (from 1288 Delta One Step to 0.010 mm (from 0.25 mm) <-----
1515 Delta Intersection to 0.001 mm (from 1289 Delta Intersection to 0.001 mm (from 0.10 mm) <-----
1516 for increased default accuracy 1290 for increased default accuracy
1517 o Use field's DoesFieldChangesEnergy method 1291 o Use field's DoesFieldChangesEnergy method to set relevant member variable
1518 1292
1519 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1293 Nov 7th, 2003 J.Apostolakis - field-V05-02-06
1520 ---------------------------- 1294 ----------------------------
1521 - G4ChordFinder 1295 - G4ChordFinder
1522 Created new class members for parameters u 1296 Created new class members for parameters used in heuristics:
1523 fFirstFraction for first st 1297 fFirstFraction for first step
1524 fFractionLast fraction of 1298 fFractionLast fraction of last step, if redoing
1525 fFractionNextEstimate confidence i 1299 fFractionNextEstimate confidence in step est from chord
1526 fMultipleRadius for small ra 1300 fMultipleRadius for small radii of curve
1527 New method to Print Statistics. 1301 New method to Print Statistics.
1528 Verbosity to enable optional printing of s 1302 Verbosity to enable optional printing of stats in destructor.
1529 1303
1530 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1304 Nov 7th, 2003 J.Apostolakis - field-V05-02-05
1531 ---------------------------- 1305 ----------------------------
1532 - G4ChordFinder 1306 - G4ChordFinder
1533 o Added simple statistics (with access meth 1307 o Added simple statistics (with access methods)
1534 - test/NTST 1308 - test/NTST
1535 o Added new test, taken from D. Williams' e 1309 o Added new test, taken from D. Williams' exampleNTST
1536 modified and maintained by J. Apostolaki << 1310 modified and maintained by J. Apostolakis
1537 1311
1538 Nov 5th, 2003 J.Apostolakis - field-V05-02-0 1312 Nov 5th, 2003 J.Apostolakis - field-V05-02-04
1539 ---------------------------- 1313 ----------------------------
1540 - G4FieldManager 1314 - G4FieldManager
1541 o Added Get/Set Min/Max imumEpsilonStep 1315 o Added Get/Set Min/Max imumEpsilonStep
1542 o Added fEpsilonMin fEpsilonMax & default t << 1316 o Added fEpsilonMin fEpsilonMax & default to member variables.
1543 >> Now these can be tailored for different 1317 >> Now these can be tailored for different parts of a detector or setup
1544 1318
1545 - G4Field G4ElectroMagneticField G4MagneticFi 1319 - G4Field G4ElectroMagneticField G4MagneticField
1546 o Adding the virtual method DoesFieldChan 1320 o Adding the virtual method DoesFieldChangeEnergy() [to be used later]
1547 o So that G4ElectroMagneticField derives fr 1321 o So that G4ElectroMagneticField derives from G4Field
1548 and G4MagneticField derives from G4Electr 1322 and G4MagneticField derives from G4ElectroMagneticField
1549 1323
1550 - G4MagErrorStepper and derived classes 1324 - G4MagErrorStepper and derived classes
1551 (G4ClassicalRK4 G4SimpleRunge G4ExplicitE 1325 (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
1552 o the constructors take G4EquationOfMotion 1326 o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
1553 as it these applicable to all types of eq << 1327 as it these applicable to all types of equations
1554 (not just ones for Magnetic field) 1328 (not just ones for Magnetic field)
1555 1329
1556 - G4EqMagElectricField 1330 - G4EqMagElectricField
1557 o derives from G4EquationOfMotion 1331 o derives from G4EquationOfMotion
1558 1332
1559 - G4ChordFinder 1333 - G4ChordFinder
1560 o Moved simple constructor to .cc file (tog 1334 o Moved simple constructor to .cc file (together with 'complex' one)
1561 o Changed fDefaultDeltaChord to a constant 1335 o Changed fDefaultDeltaChord to a constant member variable (from class var.)
1562 1336
1563 Nov 4th, 2003 G.Cosmo - field-V05-02-03 1337 Nov 4th, 2003 G.Cosmo - field-V05-02-03
1564 ---------------------- 1338 ----------------------
1565 Undocumented. 1339 Undocumented.
1566 1340
1567 Nov 4th, 2003 G.Cosmo - field-V05-02-02 1341 Nov 4th, 2003 G.Cosmo - field-V05-02-02
1568 ---------------------- 1342 ----------------------
1569 - G4ChordFinder.cc: 1343 - G4ChordFinder.cc:
1570 o Fixed compilation problem occuring when G 1344 o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
1571 1345
1572 Oct 31st, 2003 G.Cosmo - field-V05-02-01 1346 Oct 31st, 2003 G.Cosmo - field-V05-02-01
1573 ----------------------- 1347 -----------------------
1574 - Code cleanup and removal of redundant heade 1348 - Code cleanup and removal of redundant header includes, replaced
1575 where necessary by forward declarations. 1349 where necessary by forward declarations.
1576 1350
1577 Oct 24th, 2003 G.Cosmo - field-V05-02-00 1351 Oct 24th, 2003 G.Cosmo - field-V05-02-00
1578 ----------------------- 1352 -----------------------
1579 - Migrated to use new G4Exception scheme. 1353 - Migrated to use new G4Exception scheme.
1580 - Updated outputs of unit tests. 1354 - Updated outputs of unit tests.
1581 1355
1582 Jun 25th, 2003 J.Apostolakis - field-V05-01- 1356 Jun 25th, 2003 J.Apostolakis - field-V05-01-06
1583 ----------------------------- 1357 -----------------------------
1584 - Suppressed printing of statistics (by defau 1358 - Suppressed printing of statistics (by default) in MagIntegrationDriver.
1585 - Fix for unused variables warning in ChordFi 1359 - Fix for unused variables warning in ChordFinder.
1586 1360
1587 Jun 24th, 2003 J.Apostolakis - field-V05-01- 1361 Jun 24th, 2003 J.Apostolakis - field-V05-01-05
1588 ----------------------------- 1362 -----------------------------
1589 - Fix for problems introduced in field-V05-01 1363 - Fix for problems introduced in field-V05-01-03:
1590 o G4ChordFinder: 1364 o G4ChordFinder:
1591 - Fixed unitialised variable for next ste 1365 - Fixed unitialised variable for next step (now used for optimisation).
1592 - Protected assignment of 'fLastStepEstim 1366 - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
1593 unitialised value. 1367 unitialised value.
1594 1368
1595 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1369 Jun 21st, 2003 J.Apostolakis - field-V05-01-04
1596 ----------------------------- 1370 -----------------------------
1597 - G4FieldManager: 1371 - G4FieldManager:
1598 o Revised into 'slightly' abstract class wi 1372 o Revised into 'slightly' abstract class with one (new) virtual method:
1599 ConfigureForTrack( const G4Track *) 1373 ConfigureForTrack( const G4Track *)
1600 to enable the user to configure it with d 1374 to enable the user to configure it with different accuracy parameters
1601 depending on energy, particle id, volume, 1375 depending on energy, particle id, volume, or other track state.
1602 Currently by default, no such configurati 1376 Currently by default, no such configuration action is undertaken.
1603 1377
1604 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1378 Jun 21st, 2003 J.Apostolakis - field-V05-01-03
1605 ----------------------------- 1379 -----------------------------
1606 - Revised G4ChordFinder: 1380 - Revised G4ChordFinder:
1607 * FindNextChord now provides next Step esti 1381 * FindNextChord now provides next Step estimate (for accuracy in Integr.)
1608 * AdvanceChordLimited to use 1382 * AdvanceChordLimited to use
1609 - above extra argument to FindNextChord 1383 - above extra argument to FindNextChord
1610 - the next Step argument as initial-step 1384 - the next Step argument as initial-step suggested to Accurate Advance
1611 - G4MagIntegratorDriver: 1385 - G4MagIntegratorDriver:
1612 * Added extra argument to Accurate Advance: 1386 * Added extra argument to Accurate Advance:
1613 hinitial: suggested initial step size 1387 hinitial: suggested initial step size
1614 - Note: 1388 - Note:
1615 * Purpose: performance boost with small/li << 1389 * Purpose: performance boost with small/limited changes,
1616 including minor revisions of interfaces. 1390 including minor revisions of interfaces.
1617 1391
1618 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1392 Jun 20th, 2003 J.Apostolakis - field-V05-01-02
1619 ----------------------------- 1393 -----------------------------
1620 - G4MagIntegratorDriver Quick Advance: 1394 - G4MagIntegratorDriver Quick Advance:
1621 o Took out two unneccessary square roots an 1395 o Took out two unneccessary square roots and two divisions.
1622 - Notes: 1396 - Notes:
1623 1) Pure magnetic, electric, spin field test 1397 1) Pure magnetic, electric, spin field test are completed.
1624 2) Purpose: performance boost with small c 1398 2) Purpose: performance boost with small changes.
1625 1399
1626 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1400 Jun 20th, 2003 J.Apostolakis - field-V05-01-01
1627 ----------------------------- 1401 -----------------------------
1628 - G4MagIntegratorDriver: 1402 - G4MagIntegratorDriver:
1629 o Corrected neglected conversion to <std> f 1403 o Corrected neglected conversion to <std> from "G4std".
1630 - Migrated unit tests to <std>. 1404 - Migrated unit tests to <std>.
1631 1405
1632 Jun 19th, 2003 J.Apostolakis - field-V05-01- 1406 Jun 19th, 2003 J.Apostolakis - field-V05-01-00
1633 ----------------------------- << 1407 -----------------------------
1634 - G4ChordFinder: 1408 - G4ChordFinder:
1635 o Corrected simple constructor to initialis 1409 o Corrected simple constructor to initialise several member variables
1636 including LastStepEstimate_Unconstrained. 1410 including LastStepEstimate_Unconstrained.
1637 - G4MagIntegratorDriver: 1411 - G4MagIntegratorDriver:
1638 o Keep simple statistics on number of steps 1412 o Keep simple statistics on number of steps, total error and step size.
1639 o Took out an unneccessary square root (in 1413 o Took out an unneccessary square root (in loop).
1640 - NOTE: tests field0X are to be migrated. 1414 - NOTE: tests field0X are to be migrated.
1641 Purpose: fixes, small performance boost, si 1415 Purpose: fixes, small performance boost, simple statistics.
1642 1416
1643 Apr 2nd, 2003 G. Cosmo - field-V05-00-01 1417 Apr 2nd, 2003 G. Cosmo - field-V05-00-01
1644 --------------------------- 1418 ---------------------------
1645 - Created .cc files for G4MagneticField and G 1419 - Created .cc files for G4MagneticField and G4ElecroMagneticField.
1646 - Fixed definition of copy constructors in fi 1420 - Fixed definition of copy constructors in fields inheritance chain.
1647 - Moved obsolete method StepWithEst() to priv 1421 - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
1648 G4CashKarpRKF45 and G4ClassicalRK4. 1422 G4CashKarpRKF45 and G4ClassicalRK4.
1649 - Cleared strict pedantic warnings. 1423 - Cleared strict pedantic warnings.
1650 1424
1651 Feb 5th, 2003 G. Cosmo - field-V05-00-00 1425 Feb 5th, 2003 G. Cosmo - field-V05-00-00
1652 --------------------------- 1426 ---------------------------
1653 - Removed redundant inclusions of PhysicalCon 1427 - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
1654 Now using directly CLHEP's headers. 1428 Now using directly CLHEP's headers.
1655 1429
1656 Dec 12th, 2002 G. Cosmo - field-V04-01-06 1430 Dec 12th, 2002 G. Cosmo - field-V04-01-06
1657 --------------------------- 1431 ---------------------------
1658 - Moved unused variable 'nStpPr' to debug sec 1432 - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
1659 method AccurateAdvance(). 1433 method AccurateAdvance().
1660 1434
1661 Dec 06th, 2002 G. Cosmo - field-V04-01-05 1435 Dec 06th, 2002 G. Cosmo - field-V04-01-05
1662 --------------------------- 1436 ---------------------------
1663 - Merged changes by Makoto for migration to n 1437 - Merged changes by Makoto for migration to new G4ApplicationState in
1664 messengers of unit tests. 1438 messengers of unit tests.
1665 1439
1666 Nov 29th, 2002 J. Apostolakis - field-V04 1440 Nov 29th, 2002 J. Apostolakis - field-V04-01-04
1667 --------------------------------- 1441 ---------------------------------
1668 Further fixes for unitialised variable - in o 1442 Further fixes for unitialised variable - in other steppers:
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE 1443 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
1670 1444
1671 Large memory leak fix for G4ImplicitEuler, sm 1445 Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
1672 Test accuracy requirements for spin adjusted. 1446 Test accuracy requirements for spin adjusted.
1673 1447
1674 Nov 20th, 2002 J. Apostolakis - field-V04 1448 Nov 20th, 2002 J. Apostolakis - field-V04-01-03
1675 --------------------------------- 1449 ---------------------------------
1676 Further fixes for unitialised variables: 1450 Further fixes for unitialised variables:
1677 1451
1678 * G4MagIntegratorStepper 1452 * G4MagIntegratorStepper
1679 - Created instance variables for number of 1453 - Created instance variables for number of Integration, State variables
1680 1454
1681 * G4MagErrorStepper 1455 * G4MagErrorStepper
1682 - Utilise number of State variables to ini 1456 - Utilise number of State variables to initialise full state of Output.
1683 1457
1684 * G4Mag_SpinEqRhs 1458 * G4Mag_SpinEqRhs
1685 - Initialise the values of dydx that we do 1459 - Initialise the values of dydx that we do not update.
1686 1460
1687 Note: Undoing these changes and the ones belo << 1461 Note: Undoing these changes and the ones below would enable the user to see
1688 if undefined values are used in varia << 1462 if undefined values are used in variables that he/she expects to
1689 have integrated. 1463 have integrated.
1690 BUT the fix assists us to find truly un 1464 BUT the fix assists us to find truly undefined values elsewhere
1691 -- if they exist -- using valgrind. 1465 -- if they exist -- using valgrind.
1692 1466
1693 Nov 9th, 2002 J. Apostolakis - field-V04 1467 Nov 9th, 2002 J. Apostolakis - field-V04-01-02
1694 --------------------------------- 1468 ---------------------------------
1695 Fixes to address use of uninitialised variabl 1469 Fixes to address use of uninitialised variable in seting values of FieldTrack
1696 (this was done by design, but was neither ide 1470 (this was done by design, but was neither ideal or always well-behaved.)
1697 Changed: 1471 Changed:
1698 1472
1699 * G4MagIntegratorDriver 1473 * G4MagIntegratorDriver
1700 - Added instance variables for number of In 1474 - Added instance variables for number of Integration, State variables
1701 - Initialise all State variables of Output 1475 - Initialise all State variables of Output with values from initial variables.
1702 - Only the Integration variables will be in 1476 - Only the Integration variables will be integrated
1703 1477
1704 * G4ClassicalRK4 and G4MagErrorStepper 1478 * G4ClassicalRK4 and G4MagErrorStepper
1705 - Copy the initial time to intermediate and << 1479 - Copy the initial time to intermediate and output C-vectors,
1706 in order to provide a zero-eth estimate 1480 in order to provide a zero-eth estimate value.
1707 Note1: Should clean-up this fix, making it 1481 Note1: Should clean-up this fix, making it similar to Driver (above)
1708 Note2: Should *not* be used for time varyin << 1482 Note2: Should *not* be used for time varying field unless created
1709 with at least 8 integration variab 1483 with at least 8 integration variables
1710 --------------------------------- << 1484 ---------------------------------
1711 G4ChordFinder.cc 1485 G4ChordFinder.cc
1712 - Correction from zero dChord 1486 - Correction from zero dChord
1713 which is does not update the Unconstrai 1487 which is does not update the Unconstrained step estimate (state)
1714 - Added instance variables to store number 1488 - Added instance variables to store number of calls and chord-trials
1715 and new print method for 'debugging' 1489 and new print method for 'debugging'
1716 1490
1717 G4Mag_UsualEqRhs.cc 1491 G4Mag_UsualEqRhs.cc
1718 - Attempted approximations for speedup *ov 1492 - Attempted approximations for speedup *overwritten* by full inverse sqrt.
1719 1493
1720 1494
1721 Oct 29th, 2002 J. Apostolakis - test-V04-0 1495 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1722 -------------------------------- 1496 --------------------------------
1723 - Changed output of tests for small output ch 1497 - Changed output of tests for small output change (GeV->MeV)
1724 1498
1725 Oct 29th, 2002 J. Apostolakis - test-V04-0 1499 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1726 -------------------------------- 1500 --------------------------------
1727 - (Only changed and tagged test subdirectory) 1501 - (Only changed and tagged test subdirectory)
1728 Changed tests to use the new method SetChar << 1502 Changed tests to use the new method SetChargeMomentumMass of
1729 PropagatorInField in order to be ready for << 1503 PropagatorInField in order to be ready for its full use in
1730 G4PropagatorInField. 1504 G4PropagatorInField.
1731 (A key problem at end-July was this non-pre 1505 (A key problem at end-July was this non-preparedness of the unit tests.)
1732 1506
1733 Jul 24th, 2002 G. Cosmo - field-V04-01-01 1507 Jul 24th, 2002 G. Cosmo - field-V04-01-01
1734 -------------------------- 1508 --------------------------
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta 1509 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736 fDefault_Delta_Intersection_Val normal cons 1510 fDefault_Delta_Intersection_Val normal constants (not static) to
1737 resolve initialisation problems. Coworks wi 1511 resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738 Fixes problem report #383. 1512 Fixes problem report #383.
1739 1513
1740 Jul 23rd, 2002 G. Cosmo - field-V04-01-00 1514 Jul 23rd, 2002 G. Cosmo - field-V04-01-00
1741 -------------------------- 1515 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o 1516 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743 Protected variable 'nStpPr' with G4DEBUG_FI 1517 Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up 1518 - Updated reference outputs and some other updates to unit tests.
1745 1519
1746 Jun 25th, 2002 J. Apostolakis - field-V04- 1520 Jun 25th, 2002 J. Apostolakis - field-V04-00-05
1747 -------------------------------- 1521 --------------------------------
1748 - G4ChordFinder.cc 1522 - G4ChordFinder.cc
1749 In NewStep: fixed case of stepTrial >> ste 1523 In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750 (it was treated the same as stepTrial 1524 (it was treated the same as stepTrial << old)
1751 Added guard for stepTrial==0.0 in FindNextC 1525 Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc 1526 - G4MagIntegratorDriver.cc
1753 Added protection against error of 0.0 in Co 1527 Added protection against error of 0.0 in ComputeNewStepSize.
1754 1528
1755 - G4EquationOfMotion 1529 - G4EquationOfMotion
1756 Made RightHandSide an inline method << 1530 Made RightHandSide an inline method
1757 In GetFieldValue signature of Point is doub 1531 In GetFieldValue signature of Point is double[4], instead of double[3]
1758 Defined G4maximum_number_of_field_component 1532 Defined G4maximum_number_of_field_components as enum
1759 1533
1760 Jun 7th, 2002 J. Apostolakis - field-V04- 1534 Jun 7th, 2002 J. Apostolakis - field-V04-00-04
1761 -------------------------------- 1535 --------------------------------
1762 - G4Mag_SpinEqRhs.cc 1536 - G4Mag_SpinEqRhs.cc
1763 o Fix to momentum component of Rhs. 1537 o Fix to momentum component of Rhs.
1764 1538
1765 May 31st, 2002 J. Apostolakis - field-V04- 1539 May 31st, 2002 J. Apostolakis - field-V04-00-03
1766 -------------------------------- 1540 --------------------------------
1767 - G4MagHelicalStepper.icc 1541 - G4MagHelicalStepper.icc
1768 o Fix to LinearStep (correcting previous 1542 o Fix to LinearStep (correcting previous fix/cosmetic)
1769 - G4ChordFinder.cc 1543 - G4ChordFinder.cc
1770 o Corrective behaviour for very small or 1544 o Corrective behaviour for very small or large changes of 'new step'
1771 [observed in complex 3-d fields (purgi 1545 [observed in complex 3-d fields (purging magnet), or
1772 approximate equations of 1546 approximate equations of motion ]
1773 - G4MagIntegratorDriver 1547 - G4MagIntegratorDriver
1774 o More information in debug printing (tan 1548 o More information in debug printing (tangent cosine, norm)
1775 1549
1776 May 7th, 2002 J. Apostolakis 1550 May 7th, 2002 J. Apostolakis
1777 -------------------------------- 1551 --------------------------------
1778 - G4MagIntegratorDriver - ( on trunk ) 1552 - G4MagIntegratorDriver - ( on trunk )
1779 * Fix to update the field track for steps s << 1553 * Fix to update the field track for steps smaller than the chord finder's
1780 minstep. << 1554 minstep.
1781 1555
1782 1556
1783 April 19th, 2002 J. Apostolakis (not inclu 1557 April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
1784 -------------------------------- 1558 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc (on trunk) 1559 - G4MagIntegratorDriver.hh,cc (on trunk)
1786 * Bug fix: last step can now only be trigg 1560 * Bug fix: last step can now only be triggerred if x+h > x2.
1787 * Debugging methods improved. 1561 * Debugging methods improved.
1788 1562
1789 May 7th, 2002 J. Apostolakis - field-V04- 1563 May 7th, 2002 J. Apostolakis - field-V04-00-02
1790 -------------------------------- 1564 --------------------------------
1791 Tag including only two changes below: 1565 Tag including only two changes below:
1792 - Putting aside the other fixes/changes (as << 1566 - Putting aside the other fixes/changes (as the one above) to
1793 G4MagIntegratorDriver, tagging only the fix t << 1567 G4MagIntegratorDriver, tagging only the fix to update the field track
1794 for steps smaller than the chord finder's min 1568 for steps smaller than the chord finder's minstep.
1795 1569
1796 May 7th, 2002 J. Apostolakis 1570 May 7th, 2002 J. Apostolakis
1797 -------------------------------- 1571 --------------------------------
1798 - G4MagIntegratorDriver - ** branch ** on 1572 - G4MagIntegratorDriver - ** branch ** on 1.20 **
1799 * Fix to update the field track for steps s << 1573 * Fix to update the field track for steps smaller than the chord finder's
1800 minstep. << 1574 minstep.
1801 1575
1802 May 7th, 2002 J. Apostolakis 1576 May 7th, 2002 J. Apostolakis
1803 -------------------------------- 1577 --------------------------------
1804 - G4MagIntegratorStepper 1578 - G4MagIntegratorStepper
1805 * Changed RightHandSide from a virtual meth << 1579 * Changed RightHandSide from a virtual method to an inline (non-virtual)
1806 method -- it is not and should not be c 1580 method -- it is not and should not be changed by derived classes.
1807 1581
1808 Mar 28th, 2002 J. Apostolakis - field-V04-00 1582 Mar 28th, 2002 J. Apostolakis - field-V04-00-01
1809 ----------------------- 1583 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex << 1584 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
1811 that had not been updated for new integra 1585 that had not been updated for new integration variable (momentum).
1812 --> found in testing helical steppers in << 1586 --> found in testing helical steppers in BaBar setup,
1813 in region of negligible field. 1587 in region of negligible field.
1814 1588
1815 - Changed maximum number of steps in driver, << 1589 - Changed maximum number of steps in driver,
1816 halving from 500/order to 250/order. 1590 halving from 500/order to 250/order.
1817 1591
1818 Mar 28th, 2002 J. Apostolakis 1592 Mar 28th, 2002 J. Apostolakis
1819 ----------------------- 1593 -----------------------
1820 - Committed directory "OtherField" with examp 1594 - Committed directory "OtherField" with examples of fields,
1821 Delphi, Quadropole etc. 1595 Delphi, Quadropole etc.
1822 1596
1823 - Updated outputs of testPropagateMagField fo 1597 - Updated outputs of testPropagateMagField for new version of source,
1824 that has 3rd test case. 1598 that has 3rd test case.
1825 1599
1826 - Added new runs and outputs for testProElect << 1600 - Added new runs and outputs for testProElectroMagField, with
1827 several steppers, and modified test scrip 1601 several steppers, and modified test script test.sh accordingly.
1828 1602
1829 1603
1830 Feb 2nd, 2002 V. Grichine 1604 Feb 2nd, 2002 V. Grichine
1831 ------------------------ 1605 ------------------------
1832 Update of test/field02 to utilise new feature << 1606 Update of test/field02 to utilise new features
1833 - for Electric Field, to signal that a fiel 1607 - for Electric Field, to signal that a field modifies the energy;
1834 - updating of time by integration, for time 1608 - updating of time by integration, for time dependent fields.
1835 1609
1836 Jan 10th, 2002 G. Cosmo - field-V04-00-00 1610 Jan 10th, 2002 G. Cosmo - field-V04-00-00
1837 ------------------------ 1611 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile. 1612 - Activated G4DEBUG_FIELD in GNUmakefile.
1839 1613
1840 Jan 7th, 2002 J. Apostolakis 1614 Jan 7th, 2002 J. Apostolakis
1841 ----------------------------- 1615 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia 1616 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843 1617
1844 Dec 4th, 2001 G. Cosmo - field-V03-02-08 1618 Dec 4th, 2001 G. Cosmo - field-V03-02-08
1845 ----------------------- 1619 -----------------------
1846 - Fixed interface to virtual functions in the 1620 - Fixed interface to virtual functions in the inheritance chain.
1847 Added 'virtual' qualifier to destructor and 1621 Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848 of G4Field which may act as base class for 1622 of G4Field which may act as base class for user-defined fields.
1849 Modified files: G4MagneticField.hh, G4Unifo 1623 Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850 G4UniformMagField.hh. 1624 G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng 1625 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852 inside #ifdef G4DEBUG_FIELD. Other #ifdef r 1626 inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w 1627 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854 is returned (V.Grichine). 1628 is returned (V.Grichine).
1855 1629
1856 Nov 28th, 2001 J. Apostolakis - field-V03-02 1630 Nov 28th, 2001 J. Apostolakis - field-V03-02-07
1857 ------------------------------ 1631 ------------------------------
1858 G4FieldManager 1632 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g 1633 - Added fFieldChangesEnergy data member and get/set methods
1860 ( required to allow transportation to know h 1634 ( required to allow transportation to know how to calculate end-time,
1861 enabling the integration of time only for 1635 enabling the integration of time only for electric fields. )
1862 1636
1863 Nov 28th, 2001 J. Apostolakis - field-V03-02 1637 Nov 28th, 2001 J. Apostolakis - field-V03-02-06
1864 ------------------------------ 1638 ------------------------------
1865 Small fixes only: 1639 Small fixes only:
1866 1640
1867 G4CashKarpRKF45 1641 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array 1642 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869 1643
1870 G4EqMagElectricField 1644 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci 1645 - bug fixed in the formula for inverse velocity (-> V. Grichine)
1872 1646
1873 Nov 21st, 2001 G. Cosmo - field-V03-02-05 1647 Nov 21st, 2001 G. Cosmo - field-V03-02-05
1874 ------------------------ 1648 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB 1649 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876 (V.Grichine). 1650 (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma 1651 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02. 1652 - Updates to unit test field02.
1879 1653
1880 Nov 13th, 2001 G. Cosmo - field-V03-02-04 1654 Nov 13th, 2001 G. Cosmo - field-V03-02-04
1881 ------------------------ 1655 ------------------------
1882 - Removed warnings on gcc-2.95.2. 1656 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field 1657 - Included unit tests field01, field02, field03.
1884 1658
1885 Nov 9th, 2001 J. Apostolakis - field-V03-02- 1659 Nov 9th, 2001 J. Apostolakis - field-V03-02-03
1886 ----------------------------- 1660 -----------------------------
1887 Motivated by the use case of an Electric Fiel 1661 Motivated by the use case of an Electric Field,
1888 - in order to achieve reasonable accuracy in 1662 - in order to achieve reasonable accuracy in time integration,
1889 - and to enable fields that vary with the gl 1663 - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol 1664 we (John Ap. and V. Grichine) changed the following:
1891 1665
1892 - Modified G4Field to allow the time in the G << 1666 - Modified G4Field to allow the time in the GetFieldValue method
1893 - as 4th component of the "position" arr 1667 - as 4th component of the "position" array.
1894 1668
1895 - Modified EquationOfMotion to provide the ti 1669 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896 of G4Field 1670 of G4Field
1897 * as the 4th component of a position / 1671 * as the 4th component of a position / time 4-array
1898 * in place of only position as a 3-arry 1672 * in place of only position as a 3-arry
1899 1673
1900 - Added the global time as variable to be int << 1674 - Added the global time as variable to be integrated over in the
1901 case of an Electric Field 1675 case of an Electric Field
1902 1676
1903 Support for these modifications is required i 1677 Support for these modifications is required in G4Transportation.
1904 1678
1905 (Better support will require either 1679 (Better support will require either
1906 - a modification in G4FieldTrack to indicate 1680 - a modification in G4FieldTrack to indicate whether the time has been
1907 integrated or not. << 1681 integrated or not.
1908 - or additionally making the time calculatio 1682 - or additionally making the time calculation a property of G4FieldTrack,
1909 bring in code to do it in from G4Transpor 1683 bring in code to do it in from G4Transportation.)
1910 1684
1911 1685
1912 Nov 8th, 2001 J. Apostolakis - field-V03-02 1686 Nov 8th, 2001 J. Apostolakis - field-V03-02-02
1913 ------------------------ 1687 ------------------------
1914 - Introduced several changes in G4MagIntegrat 1688 - Introduced several changes in G4MagIntegratorDriver.
1915 1689
1916 It now respects its minimum driver step si 1690 It now respects its minimum driver step size in AccurateAdvance.
1917 * whereas before it did not. 1691 * whereas before it did not.
1918 1692
1919 Modified maximum number of steps, lowering 1693 Modified maximum number of steps, lowering by factor of 10.
1920 -> it should reduce the time spent integ 1694 -> it should reduce the time spent integrating low energy particles,
1921 in some cases where it is unneccessary. 1695 in some cases where it is unneccessary.
1922 1696
1923 Protected printing of (nearly?) all warnin 1697 Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
1924 1698
1925 1699
1926 Nov 05th, 2001 G. Cosmo - field-V03-02-01 1700 Nov 05th, 2001 G. Cosmo - field-V03-02-01
1927 ------------------------ 1701 ------------------------
1928 - Fixed trivial warnings on Linux-g++. 1702 - Fixed trivial warnings on Linux-g++.
1929 1703
1930 Aug 27th, 2001 J. Apostolakis - field-V03-02 1704 Aug 27th, 2001 J. Apostolakis - field-V03-02-00
1931 ------------------------------ 1705 ------------------------------
1932 Tagged last change. 1706 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 ( 1707 This tag is utilised in transport-V03-02-01 (which requires it).
1934 1708
1935 Aug 16th, 2001 J. Apostolakis 1709 Aug 16th, 2001 J. Apostolakis
1936 ------------------------------ 1710 ------------------------------
1937 G4ChordFinder: 1711 G4ChordFinder:
1938 Added method to erase/reset the state of the 1712 Added method to erase/reset the state of the StepEstimate.
1939 This is unwanted internal state that was car 1713 This is unwanted internal state that was carried between tracks and
1940 events as a side effect. 1714 events as a side effect.
1941 1715
1942 Calling this at the start of each track, it 1716 Calling this at the start of each track, it is now possible to
1943 eliminate a non-repeatability that was possi 1717 eliminate a non-repeatability that was possible due to this.
1944 ( It has been observed in particular in v 1718 ( It has been observed in particular in vaccuum. )
1945 1719
1946 May 23rd, 2001 J. Apostolakis - field-V03-01 1720 May 23rd, 2001 J. Apostolakis - field-V03-01-02
1947 ------------------------------ 1721 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo 1722 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949 1723
1950 May 23rd, 2001 J. Apostolakis - field-V03-01 1724 May 23rd, 2001 J. Apostolakis - field-V03-01-01
1951 ------------------------------ 1725 ------------------------------
1952 - Fixed G4FieldManager constructors to give d 1726 - Fixed G4FieldManager constructors to give default values to delta
1953 parameters. 1727 parameters.
1954 1728
1955 - Updated testPropagateSpin (it now compiles) << 1729 - Updated testPropagateSpin (it now compiles),
1956 and some outputs of testPropagateMagField 1730 and some outputs of testPropagateMagField (1 to 5)
1957 1731
1958 1732
1959 Apr 12th, 2001 P. Gumplinger - field-V03-01- 1733 Apr 12th, 2001 P. Gumplinger - field-V03-01-00
1960 ----------------------------- 1734 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq 1735 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962 to spin tracking. 1736 to spin tracking.
1963 1737
1964 Apr 04th, 2001 G. Cosmo - field-V03-00-05 1738 Apr 04th, 2001 G. Cosmo - field-V03-00-05
1965 ------------------------ 1739 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o 1740 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967 1741
1968 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1742 Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
1969 ------------------------------ 1743 ------------------------------
1970 - Electric Field unit test now works: test ru 1744 - Electric Field unit test now works: test runs until completion.
1971 Test outputs saved (on Linux). 1745 Test outputs saved (on Linux).
1972 1746
1973 - Fixed src/G4UniformElectricField.cc to set 1747 - Fixed src/G4UniformElectricField.cc to set correct field components
1974 (compat 1748 (compatible with Equation of Motion
1975 G4EqMa 1749 G4EqMagElectricField )
1976 1750
1977 - Tidied G4FieldTrack 1751 - Tidied G4FieldTrack
1978 * deleted obsolete methods Set/Get Momentu 1752 * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979 * in constructor to set the value of the s << 1753 * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
1980 if pSpin is null. (It was undefine 1754 if pSpin is null. (It was undefined.)
1981 1755
1982 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1756 Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
1983 ------------------------------ 1757 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil << 1758 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
1985 1759
1986 - Modified G4MagIntegratorStepper << 1760 - Modified G4MagIntegratorStepper
1987 to use pointer to G4EquationOfMotion 1761 to use pointer to G4EquationOfMotion
1988 instead of G4Mag_EqRhs 1762 instead of G4Mag_EqRhs
1989 1763
1990 - Design iteration appears neccessary 1764 - Design iteration appears neccessary
1991 1765
1992 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1766 Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
1993 ------------------------------ 1767 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for 1768 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995 the possibility of (correct) use of all H << 1769 the possibility of (correct) use of all Helical Steppers.
1996 1770
1997 - test/testProElectroMagField.cc updated for 1771 - test/testProElectroMagField.cc updated for momentum.
1998 (Not yet updated: Spin tests) 1772 (Not yet updated: Spin tests)
1999 1773
2000 1774
2001 Mar 19th, 2001 J. Apostolakis - field-V03-00 1775 Mar 19th, 2001 J. Apostolakis - field-V03-00-01
2002 ------------------------------ 1776 ------------------------------
2003 - Tagging the modification of several classes 1777 - Tagging the modification of several classes to integrate in momentum*c_light
2004 instead of velocity. << 1778 instead of velocity.
2005 Reason for change: Velocity integration ca 1779 Reason for change: Velocity integration can result in superluminar
2006 velocities, due to arithmetic inaccuraci 1780 velocities, due to arithmetic inaccuracies.
2007 Classes modified: << 1781 Classes modified:
2008 G4FieldTrack, (Changed components 3,4,5 1782 G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
2009 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle 1783 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010 1784
2011 Feb 20th, 2001 J. Apostolakis << 1785 Feb 20th, 2001 J. Apostolakis
2012 1786
2013 - Modified several classes to integrate in mo 1787 - Modified several classes to integrate in momentum instead of velocity.
2014 1788
2015 G4FieldTrack: 1789 G4FieldTrack:
2016 Changed components 3,4,5 of SixVector to 1790 Changed components 3,4,5 of SixVector to Momentum,
2017 Modified constructor 1791 Modified constructor
2018 Added energy calculation to "LoadFromArr 1792 Added energy calculation to "LoadFromArray" method
2019 GetEnergy method is now implemented. << 1793 GetEnergy method is now implemented.
2020 Deleted obsolete (old) method names for 1794 Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021 1795
2022 G4ChordFinder 1796 G4ChordFinder
2023 Renamed old-method names of Field Track << 1797 Renamed old-method names of Field Track to new ones.
2024 1798
2025 Jan 29th, 2001 G. Cosmo - field-V03-00-00 1799 Jan 29th, 2001 G. Cosmo - field-V03-00-00
2026 ------------------------- 1800 -------------------------
2027 1801
2028 - Minor fix to G4MagneticField.hh: added expl 1802 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029 copy constructor. Fixes report #205. 1803 copy constructor. Fixes report #205.
2030 1804
2031 Nov 20th, 2000 G. Cosmo - field-V02-00-02 1805 Nov 20th, 2000 G. Cosmo - field-V02-00-02
2032 1806
2033 - Fixes to remove warnings from "-Wall -ansi 1807 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034 o commented out variables declared and not 1808 o commented out variables declared and not used.
2035 o fixed declaration of variables used befor 1809 o fixed declaration of variables used before being initialised.
2036 o fixed order of initialisation of member d 1810 o fixed order of initialisation of member data in constructors.
2037 o fixed usage of unsigned-int (size_t) for 1811 o fixed usage of unsigned-int (size_t) for array indeces.
2038 1812
2039 Nov 9th, 2000 G. Cosmo - field-V02-00-01 1813 Nov 9th, 2000 G. Cosmo - field-V02-00-01
2040 1814
2041 - G4FieldManager: added check on existence of 1815 - G4FieldManager: added check on existence of allocated fChordFinder
2042 in CreateChordFinder(G4MagneticField*) meth 1816 in CreateChordFinder(G4MagneticField*) method.
2043 1817
2044 Nov 1st, 2000 G. Cosmo - field-V02-00-00 1818 Nov 1st, 2000 G. Cosmo - field-V02-00-00
2045 1819
2046 - QA code revision and cleanup (+fixes from C 1820 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047 o Added (private) declarations of copy cons 1821 o Added (private) declarations of copy constructor and assignment operator
2048 where needed. 1822 where needed.
2049 o Added "const" qualifier to accessor metho 1823 o Added "const" qualifier to accessor methods, wherever needed.
2050 o Added equality check on operator= where n 1824 o Added equality check on operator= where needed.
2051 o Made destructor "virtual" for classes hav 1825 o Made destructor "virtual" for classes having virtual methods,
2052 wherever missing. 1826 wherever missing.
2053 o Changed virtual functions to non-inline w 1827 o Changed virtual functions to non-inline wherever's the case.
2054 o Changed return value to be "const" pointe 1828 o Changed return value to be "const" pointer to functions:
2055 - G4EquationOfMotion::GetFieldObj() 1829 - G4EquationOfMotion::GetFieldObj()
2056 - G4FieldManager::GetDetectorField() 1830 - G4FieldManager::GetDetectorField()
2057 - G4MagIntegratorDriver::GetStepper() 1831 - G4MagIntegratorDriver::GetStepper()
2058 o Fixed and corrected signature to G4MagInt 1832 o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059 o Added "inline" qualifier to methods' decl 1833 o Added "inline" qualifier to methods' declarations.
2060 o General cosmetics 1834 o General cosmetics
2061 1835
2062 Jun 2nd, 2000 J. Apostolakis 1836 Jun 2nd, 2000 J. Apostolakis
2063 - G4FieldManager[.hh.icc] 1837 - G4FieldManager[.hh.icc]
2064 o Added DeltaIntersection and DeltaOneStep 1838 o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065 Get/Set methods and SetAccuraciesWithDelt 1839 Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066 1840
2067 May 31st, 2000 J. Apostolakis - field-V01-01 1841 May 31st, 2000 J. Apostolakis - field-V01-01-03
2068 1842
2069 include/G4FieldManager.hh,icc 1843 include/G4FieldManager.hh,icc
2070 o Moved Delta Intersection and Delta One St 1844 o Moved Delta Intersection and Delta One Step to FieldManager
2071 (from Propagator in Field), to allow th 1845 (from Propagator in Field), to allow them to differ over the detector.
2072 1846
2073 May 11th, 2000 J. Apostolakis - field-V01-01 1847 May 11th, 2000 J. Apostolakis - field-V01-01-02
2074 1848
2075 - G4ChordFinder[.hh.cc] 1849 - G4ChordFinder[.hh.cc]
2076 o Modified method for finding new trial ste 1850 o Modified method for finding new trial step.
2077 New method assumes a quadratic relationsh 1851 New method assumes a quadratic relationship between step-length and d_chord:
2078 d_chord proportional to step-l 1852 d_chord proportional to step-lenght ^ 2
2079 o Added two small refinement in order to av 1853 o Added two small refinement in order to avoid unneccesary extra step due to
2080 small numerical inaccuracies in estimatio 1854 small numerical inaccuracies in estimation:
2081 FindNextChord 1855 FindNextChord
2082 to first step use (1-0.001) 1856 to first step use (1-0.001) * last-step-estimate
2083 New Step: 1857 New Step:
2084 to subsequent step use trial_st 1858 to subsequent step use trial_step = 0.98 * estimate
2085 1859
2086 May 10th, 2000 G. Cosmo 1860 May 10th, 2000 G. Cosmo
2087 1861
2088 - G4MagneticField.hh: minor fix to dummy impl 1862 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089 operator. 1863 operator.
2090 1864
2091 May 9th, 2000 J. Apostolakis - field-V01 1865 May 9th, 2000 J. Apostolakis - field-V01-01-01
2092 1866
2093 - G4MagErrorStepper: << 1867 - G4MagErrorStepper:
2094 Modified DistChord to check whether the c 1868 Modified DistChord to check whether the chord endpoint are the same point.
2095 1869
2096 - G4RKG3_Stepper: 1870 - G4RKG3_Stepper:
2097 Deleted error message from StepNoErr, as 1871 Deleted error message from StepNoErr, as it is used in Stepper.
2098 1872
2099 - G4MagIntegratorDriver: 1873 - G4MagIntegratorDriver:
2100 Changed the condition for the debug outpu 1874 Changed the condition for the debug output (~cosmetic)
2101 1875
2102 1876
2103 April 27th, 2000 G. Cosmo 1877 April 27th, 2000 G. Cosmo
2104 1878
2105 - Reorganised comments for the Software Refer 1879 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe 1880 - Moved inlined definition to .icc files, where needed.
2107 Created: G4ChordFinder.icc and G4FieldManag 1881 Created: G4ChordFinder.icc and G4FieldManager.icc.
2108 1882
2109 April 13th, 2000 J. Apostolakis - field-V01 1883 April 13th, 2000 J. Apostolakis - field-V01-01-00
2110 1884
2111 - Modified signature to function DumbStepper( 1885 - Modified signature to function DumbStepper() in classes:
2112 G4HelixExplicitEuler, G4HelixHeum, G4HelixI 1886 G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113 G4HelixSimpleRunge and G4MagHelicalStepper. 1887 G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu 1888 - Modified signature and implementation of function MagFieldEvaluate()
2115 in G4MagHelicalStepper, to use Field (as Th 1889 in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it 1890 - Made Richardson extrapolation optional (it is unclear if
2117 it offers benefit) in G4MagHelicalStepper. 1891 it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and 1892 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b 1893 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120 (V.Grichine). 1894 (V.Grichine).
2121 1895
2122 January 19th, 2000 G. Cosmo - field-V01-00 1896 January 19th, 2000 G. Cosmo - field-V01-00-00
2123 1897
2124 Syncronized versioning of files with HEAD aft 1898 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes). 1899 (essentially CVS header changes).
2126 1900
2127 December 7th, 1999 J. Apostolakis - field- 1901 December 7th, 1999 J. Apostolakis - field-V00-01-01a
2128 1902
2129 For negative or very small curve lengths (h) 1903 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe 1904 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless. 1905 as it is meaningless.
2132 1906
2133 November 23rd, 1999 J. Apostolakis - field- 1907 November 23rd, 1999 J. Apostolakis - field-V00-01-01
2134 1908
2135 Tagged this sub-category's state in geometry- 1909 Tagged this sub-category's state in geometry-V00-01-01
2136 1910
2137 1911
2138 July 6th, 1999 J. Apostolakis - field- 1912 July 6th, 1999 J. Apostolakis - field-01-00-07
2139 1913
2140 These fixes and those in field-01-00-06 and f 1914 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 1915 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig << 1916 interaction with paths that are rather straight.
2143 1917
2144 G4MagIntegrationDriver: << 1918 G4MagIntegrationDriver:
2145 i) AccurateAdvance now that the chord distan 1919 i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon). 1920 gth (times 1+epsilon).
2147 1921
2148 ii) OneGoodStep and QuickAdvance considers th 1922 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b 1923 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given. 1924 the "eps" maximum given.
2151 1925
2152 G4ChordFinder: 1926 G4ChordFinder:
2153 Having found that the curve_length vs ABdis 1927 Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration: 1928 the imprecision of the integration:
2155 i) Modified the exception in this case to h 1929 i) Modified the exception in this case to happen only for very large
2156 relative disrepancies ( 10 * eps ). 1930 relative disrepancies ( 10 * eps ).
2157 ii) Undertaken a default corrective action i 1931 ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve 1932 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu 1933 ie step lengths much smaller than the curvature of the track.
2160 1934
2161 July 1st, 1999 J. Apostolakis - field- 1935 July 1st, 1999 J. Apostolakis - field-01-00-06a
2162 1936
2163 In order to cope with the anomalous condition 1937 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField, we ensure that the f 1938 in G4PropagatorInField, we ensure that the fraction_AE is always between
2165 0 and 1.0. (giving it a default value of 0.5 1939 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV ) 1940 ( in G4ChordFinder::ApproxCurvePointV )
2167 1941
2168 June 29th, 1999 J. Apostolakis - field- 1942 June 29th, 1999 J. Apostolakis - field-01-00-06
2169 1943
2170 I re-instated a check on whether the input 1944 I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t 1945 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV ) 1946 ( in G4ChordFinder::ApproxCurvePointV )
2173 1947
2174 The condition that prints out a warning messa 1948 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi << 1949 take into account the case of a very small final interval.
2176 ( in G4MagInt_Driver::AccurateAdvance ) 1950 ( in G4MagInt_Driver::AccurateAdvance )
2177 1951
2178 June ??th, 1999 J. Apostolakis - field- 1952 June ??th, 1999 J. Apostolakis - field-01-00-05
2179 1953
2180 The condition that prints out a warning messa << 1954 The condition that prints out a warning message was changed to delete
2181 an incorrect comparison. << 1955 an incorrect comparison.
2182 ( in G4MagInt_Driver::AccurateAdvance ) 1956 ( in G4MagInt_Driver::AccurateAdvance )
2183 1957
2184 April 19th, 1999 J. Apostolakis - field- 1958 April 19th, 1999 J. Apostolakis - field-01-00-04
2185 1959
2186 G4MagErrorStepper: Cosmetic changes to name o 1960 G4MagErrorStepper: Cosmetic changes to name of data members
2187 1961
2188 March 4th, 1999 J. Apostolakis - field- 1962 March 4th, 1999 J. Apostolakis - field-01-00-03
2189 1963
2190 Corrected delete statement of arrays to use ' 1964 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45 1965 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192 1966
2193 February 17th, 1999 J. Apostolakis - field 1967 February 17th, 1999 J. Apostolakis - field-01-00-02
2194 1968
2195 Moved G4PropagatorInField files to geometry/ << 1969 Moved G4PropagatorInField files to geometry/volumes.
2196 Updated GNUmakefile not to depend on geometr 1970 Updated GNUmakefile not to depend on geometry/volumes anymore.
2197 -> the known circular dependency is remove 1971 -> the known circular dependency is removed
2198 1972
2199 1973
2200 February 12th, 1999 J. Apostolakis - field 1974 February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
2201 1975
2202 A tag that contains the first version that 1976 A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory). G4PropagateInSpin is still in t 1977 directory). G4PropagateInSpin is still in this version. A small change
2204 in a branch of the header file was needed. << 1978 in a branch of the header file was needed.
2205 1979
2206 1980
2207 February 10th, 1999 J. Apostolakis << 1981 February 10th, 1999 J. Apostolakis
2208 1982
2209 All the following changes are needed for ener 1983 All the following changes are needed for energy integration also:
2210 1984
2211 G4ChordFinder now passes to the constructed d 1985 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a 1986 Because of the need for the stepper to know about it in its Abstract interface
2213 1987
2214 -> Moved theNumberOfVariables from derived c 1988 -> Moved theNumberOfVariables from derived class G4MagErrorStepper
2215 to base class 1989 to base class G4MagIntegratorStepper
2216 1990
2217 As a consequense the classes that derived fro 1991 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt << 1992 were changed: G4CashKarpRKF45, G4MagHelicalStepper,
2219 1993
2220 1994
2221 February 9th, 1999 J. Apostolakis 1995 February 9th, 1999 J. Apostolakis
2222 1996
2223 Equation of Motion: 1997 Equation of Motion:
2224 G4MagEqRhs.hh Made SetChargeMomentumMass vir 1998 G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225 can initialise its constants << 1999 can initialise its constants too.
2226 2000
2227 2001
2228 February 9th, 1999 P. Gumplinger 2002 February 9th, 1999 P. Gumplinger
2229 2003
2230 Added Equation of Motion for Spin in Magnetic 2004 Added Equation of Motion for Spin in Magnetic Field.
2231 2005
2232 2006
2233 February 17th, 1999 J. Apostolakis - fiel 2007 February 17th, 1999 J. Apostolakis - field-01-00-01
2234 ---> date is correct, made sure that tag d 2008 ---> date is correct, made sure that tag does not include above fixes!
2235 << 2009
2236 Moved G4PropagatorInField files to geometry/ << 2010 Moved G4PropagatorInField files to geometry/volumes.
2237 Updated GNUmakefile not to depend on geometr 2011 Updated GNUmakefile not to depend on geometry/volumes anymore.
2238 -> the known circular dependency is remove 2012 -> the known circular dependency is removed
2239 2013
2240 2014
2241 --------------------------------------------- 2015 ---------------------------------------------------------------------------
2242 ------ Geant 4 Production Release - 2016 ------ Geant 4 Production Release ------------
2243 --------------------------------------------- 2017 --------------------------------------------------------------------------
2244 Nov 19th, 1998 J. Apostolakis - field-0 2018 Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
2245 2019
2246 G4PropagatorInField files modified: 2020 G4PropagatorInField files modified:
2247 2021
2248 - to store the last safety computed and it 2022 - to store the last safety computed and its origin.
2249 - to give them to a requester 2023 - to give them to a requester
2250 --------------------------------------------- 2024 ------------------------------------------------------------------
2251 2025
2252 Nov 19th, 1998 J. Apostolakis - field-0 2026 Nov 19th, 1998 J. Apostolakis - field-00-03-03b
2253 2027
2254 Subtle fix to interface of G4UniformMagField << 2028 Subtle fix to interface of G4UniformMagField::GetFieldValue
2255 ( that tripped Visual C++ ) 2029 ( that tripped Visual C++ )
2256 2030
2257 G4PropagatorInField: added printing method 2031 G4PropagatorInField: added printing method for verboseness.
2258 2032
2259 Nov 19th, 1998 J. Apostolakis - field-0 2033 Nov 19th, 1998 J. Apostolakis - field-00-03-03a
2260 2034
2261 Steppers: Fixed instance variables constr 2035 Steppers: Fixed instance variables construction (SimpleRunge)
2262 and clash of names in CashKarp: 2036 and clash of names in CashKarp::StepWithEstimate
2263 2037
2264 Added post-const to all Field classes for 2038 Added post-const to all Field classes for
2265 void GetFieldValue(const G4double 2039 void GetFieldValue(const G4double yTrack[] ,
2266 G4double B[] 2040 G4double B[] ) const ;
2267 2041
2268 Added SetFieldValue methods to UniformMagF 2042 Added SetFieldValue methods to UniformMagField
2269 2043
2270 Added GetConstantFieldValue() methods to U 2044 Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271 2045
2272 2046
2273 Nov 19th, 1998 J. Apostolakis - field-0 2047 Nov 19th, 1998 J. Apostolakis - field-00-03-03
2274 2048
2275 Fixes to Propagate and Steppers 2049 Fixes to Propagate and Steppers
2276 2050
2277 Nov 19th, 1998 J. Apostolakis - field-0 2051 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2278 2052
2279 Minor corrections (???) 2053 Minor corrections (???)
2280 2054
2281 Nov 19th, 1998 J. Apostolakis - field-0 2055 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2282 << 2056
2283 Major development to allow Electric Field 2057 Major development to allow Electric Field
2284 << 2058
2285 2059
2286 2060
2287 June 17th, 1998 J. Apostolakis - magfiel 2061 June 17th, 1998 J. Apostolakis - magfield-06-03
2288 2062
2289 Modified Files: 2063 Modified Files:
2290 include/G4PropagatorInField.hh 2064 include/G4PropagatorInField.hh
2291 src/G4PropagatorInField.cc 2065 src/G4PropagatorInField.cc
2292 test/testPropagateInField.cc 2066 test/testPropagateInField.cc
2293 --------------------------------------------- 2067 ----------------------------------------------------------------------
2294 2068
2295 1) Added an assertion after each call to Lo << 2069 1) Added an assertion after each call to LocateGlobalPointAndSetup.
2296 It checks that the located volume is equ 2070 It checks that the located volume is equal to the current volume.
2297 If this check fails, the Propagator does 2071 If this check fails, the Propagator does not know how to continue.
2298 2072
2299 2) Added an argument to ComputeStep method 2073 2) Added an argument to ComputeStep method of G4PropagatorInField.
2300 The new volume argument is used to check th 2074 The new volume argument is used to check the current volume during the step.
2301 2075
2302 3) When G4Navigator's ComputeStep returned 2076 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
2303 used to be treated as a failure to intersect. 2077 used to be treated as a failure to intersect. This is incorrect.
2304 2078
2305 stepLength==stepRequested is an intersect 2079 stepLength==stepRequested is an intersection,
2306 so I am now treating it as such in each 2080 so I am now treating it as such in each comparison (of 3).
2307 Ignoring it causes problems, including 2081 Ignoring it causes problems, including volume being skipped.
2308 --> but treating it as an intersection 2082 --> but treating it as an intersection used to cause problems too ??
2309 2083
2310 2084
2311 May 7th, 1998 J. Apostolakis - magfie 2085 May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
2312 2086
2313 - Tag includes new version of G4ChordFinder ( 2087 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314 2088
2315 2089
2316 May 7th, 1998 W. Wander (recorded/c 2090 May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
2317 2091
2318 - New "helical" RK steppers that move in heli 2092 - New "helical" RK steppers that move in helical segments, not linear.
2319 * Several changes to add steppers << 2093 * Several changes to add steppers
2320 2094
2321 Modified Files: 2095 Modified Files:
2322 G4MagErrorStepper.hh << 2096 G4MagErrorStepper.hh
2323 G4MagErrorStepper.cc << 2097 G4MagErrorStepper.cc
2324 added Helical stepping methods to 2098 added Helical stepping methods to this general ABC.
2325 << 2099
2326 G4MagIntegratorStepper.hh 2100 G4MagIntegratorStepper.hh
2327 made RightHandSide virtual (this 2101 made RightHandSide virtual (this will be reversed very soon)
2328 2102
2329 testPropagateMagField.cc 2103 testPropagateMagField.cc
2330 Test of Helical stepping functiona 2104 Test of Helical stepping functionality added.
2331 << 2105
2332 Added Files for new Helical RK steppers, der 2106 Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333 G4HelixExplicitEuler.cc ( and .hh ) 2107 G4HelixExplicitEuler.cc ( and .hh )
2334 G4HelixHeum.cc 2108 G4HelixHeum.cc
2335 G4HelixImplicitEuler.cc 2109 G4HelixImplicitEuler.cc
2336 G4HelixSimpleRunge.cc << 2110 G4HelixSimpleRunge.cc
2337 2111
2338 Added File for implementation: 2112 Added File for implementation:
2339 G4MagErrorStepper.icc 2113 G4MagErrorStepper.icc
2340 2114
2341 2115
2342 May 7th, 1998 J. Apostolakis - magfi 2116 May 7th, 1998 J. Apostolakis - magfield-06-01
2343 2117
2344 - added small changes to << 2118 - added small changes to
2345 * G4ChordFinder: methods to get 2119 * G4ChordFinder: methods to get/set IntegratorDriver
2346 * G4MagIntegratorDriver: made OneGoodSt 2120 * G4MagIntegratorDriver: made OneGoodStep method public
2347 - created the file. 2121 - created the file.