| 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 18
130 March 30, 2021 B.Morgan 19 March 30, 2021 B.Morgan - field-V10-07-00
131 ----------------------- 20 -----------------------
132 - Migrate sources.cmake to modular build API 21 - Migrate sources.cmake to modular build API
133 22
134 November 26, 2020 J.Apostolakis 23 November 26, 2020 J.Apostolakis - field-V10-06-09
135 ------------------------------- 24 -------------------------------
136 - Fix to enable G4TDormandPrince45 to be used 25 - Fix to enable G4TDormandPrince45 to be used with G4InterpolationDriver.
137 26
138 This fix was needed because G4Interpolation 27 This fix was needed because G4Interpolation driver creates additional
139 copies of the stepper class. Due to this it 28 copies of the stepper class. Due to this it must obtain the equation
140 with the type of the templated stepper. 29 with the type of the templated stepper.
141 30
142 For a stepper to be used with 'G4Interpolati 31 For a stepper to be used with 'G4InterpolationDriver', it must
143 implement the method 32 implement the method
144 Equation_type GetSpecificEquation() 33 Equation_type GetSpecificEquation()
145 Templated steppers must ensure that the retu 34 Templated steppers must ensure that the return type 'Equation_type'
146 is the specific equation type of the templat 35 is the specific equation type of the template.
147 36
148 This method was added to G4DormandPrince745 37 This method was added to G4DormandPrince745 and G4TDormandPrince745.
149 38
150 October 12, 2020 J.Apostolakis 39 October 12, 2020 J.Apostolakis - field-V10-06-08
151 ------------------------------ 40 ------------------------------
152 - Fixes & refinements - mostly in templated cl 41 - Fixes & refinements - mostly in templated classes, tests.
153 Compilation fixes, e.g. missing include <cas 42 Compilation fixes, e.g. missing include <cassert>.
154 Refinements, e.g. int -> unsigned int in tem 43 Refinements, e.g. int -> unsigned int in templates
155 44
156 October 9, 2020 J.Apostolakis 45 October 9, 2020 J.Apostolakis - field-V10-06-07
157 ----------------------------- 46 -----------------------------
158 - Configure G4ChordFinder to use templated G4T 47 - Configure G4ChordFinder to use templated G4TDormandPrince45 as the
159 default stepper for magnetic fields (when on 48 default stepper for magnetic fields (when one is not chosen
160 explicitly by the application.) 49 explicitly by the application.)
161 50
162 October 9, 2020 J.Apostolakis & J. Xie 51 October 9, 2020 J.Apostolakis & J. Xie - field-V10-06-06
163 -------------------------------------- 52 --------------------------------------
164 - Adapted classes that avoid virtual calls for 53 - Adapted classes that avoid virtual calls for field, equation, stepper
165 created by Josh Xie (Google Summer of Code 2 54 created by Josh Xie (Google Summer of Code 2014), supervised by
166 S. Wenzel & J.A. 55 S. Wenzel & J.A.
167 56
168 The revised design and implementations inclu 57 The revised design and implementations include:
169 * equation of motion templated on the field 58 * equation of motion templated on the field type;
170 * steppers templated on the type of equatio 59 * steppers templated on the type of equation and the number of integration
171 variables. 60 variables.
172 In addition the key methods are marked as 'i 61 In addition the key methods are marked as 'inline' to enable compilers, where
173 they judge possible, to embed them and avoid 62 they judge possible, to embed them and avoid any function calls.
174 63
175 These classes can be combined also with the 64 These classes can be combined also with the templated drivers
176 (G4IntegrationStepper, G4FSALIntegrationStep 65 (G4IntegrationStepper, G4FSALIntegrationStepper and/or G4InterpolationDriver
177 to avoid virtual calls in all the levels up 66 to avoid virtual calls in all the levels up to the chord finder's call to
178 the integration driver. ] 67 the integration driver. ]
179 68
180 The types of stepper currently available are 69 The types of stepper currently available are
181 i) the originally developed intermediate ord 70 i) the originally developed intermediate order stepper:
182 71
183 - Name (templated) - original -- Order/ 72 - Name (templated) - original -- Order/ - Comments
184 / E 73 / Embdedded
185 =========================================== 74 ==============================================================================
186 G4TClassicalRK4: G4ClassicalRK4 4th / 75 G4TClassicalRK4: G4ClassicalRK4 4th / no robust, old default
187 G4TCashKarpRKF45: G4CashKarpRKF45 5th / 76 G4TCashKarpRKF45: G4CashKarpRKF45 5th / yes first embedded RK in G4
188 77
189 ii) the original low order steppers (for spe 78 ii) the original low order steppers (for specialised uses)
190 G4TSimpleHeum: G4SimpleHeum 3rd / 79 G4TSimpleHeum: G4SimpleHeum 3rd / no lower order alternative
191 G4TSimpleRunge: G4SimpleRunge 2nd / 80 G4TSimpleRunge: G4SimpleRunge 2nd / no very low order
192 G4TExplicitEuler: G4ExplicitEuler 1st / 81 G4TExplicitEuler: G4ExplicitEuler 1st / no lowest order - for checks only
193 82
194 and 83 and
195 iii) some newly adapted stepper(s) / ( J.A. 84 iii) some newly adapted stepper(s) / ( J.A. Oct 2020 )
196 G4TDormandPrince45 G4DormandPrince745 5th/ 85 G4TDormandPrince45 G4DormandPrince745 5th/ yes default / preferred
197 =========================================== 86 ==============================================================================
198 87
199 Note: Additional lower-order steppers are no 88 Note: Additional lower-order steppers are not yet available.
200 'Vector' steppers (using blaze) are no 89 'Vector' steppers (using blaze) are not supported.
201 90
202 Experimental versions of fields with inline 91 Experimental versions of fields with inline methods:
203 G4TUniformMagField, G4TQuadrupoleMagFiel 92 G4TUniformMagField, G4TQuadrupoleMagField
204 are included to show how the field evaluatio 93 are included to show how the field evaluation GetFieldValue can also be inlined.
205 94
206 Note 2: 95 Note 2:
207 Steppers which are not embedded obtain their 96 Steppers which are not embedded obtain their error estimates by
208 breaking the step into two halves, then comp 97 breaking the step into two halves, then comparing with the whole step.
209 As a result many more field / derivative eva 98 As a result many more field / derivative evaluations are needed than
210 embedded steppers of the same order, but the 99 embedded steppers of the same order, but the reliability of their error
211 estimation has different properties; so it m 100 estimation has different properties; so it may be more robust in some cases. )
212 101
213 June 15, 2020 G.Cosmo 102 June 15, 2020 G.Cosmo - field-V10-06-05
214 --------------------- 103 ---------------------
215 - Implemented move constructor and operator fo 104 - Implemented move constructor and operator for G4FieldTrack.
216 105
217 March 24, 2020 J.Apostolakis 106 March 24, 2020 J.Apostolakis - field-V10-06-04
218 ---------------------------- 107 ----------------------------
219 - New class G4DriverReporter to print progress 108 - New class G4DriverReporter to print progress of drivers.
220 Used for debugging differences between Old 109 Used for debugging differences between Old & fixed MagIntDriver
221 - Revisions in testing CMake config file and s 110 - Revisions in testing CMake config file and stepper/driver test
222 for magnetic field. 111 for magnetic field.
223 112
224 March 13, 2020 J.Apostolakis 113 March 13, 2020 J.Apostolakis - field-V10-06-03
225 ---------------------------- 114 ----------------------------
226 - G4VIntegrationDriver & dependent driver clas 115 - G4VIntegrationDriver & dependent driver classes:
227 Added new virtual StreamInfo() method, 116 Added new virtual StreamInfo() method,
228 & used it to implement operator << for 117 & used it to implement operator << for G4VIntegrationDriver
229 Made (virtual) DoesReIntegrate() const. 118 Made (virtual) DoesReIntegrate() const.
230 - G4MagInt_Driver: Fixed max iterations & clar 119 - G4MagInt_Driver: Fixed max iterations & clarified that its
231 ComputeNewStepSize does NOT (yet) respect 120 ComputeNewStepSize does NOT (yet) respect maximum reduction factor (0.1).
232 ( Done to enable comparisons with new G4Inte 121 ( Done to enable comparisons with new G4IntegrationDriver<> implementation.)
233 - G4OldMagIntDriver maintains all old behaviou 122 - G4OldMagIntDriver maintains all old behaviour of G4MagInt_Driver.
234 123
235 124
236 January 22, 2020 G.Cosmo 125 January 22, 2020 G.Cosmo - field-V10-06-02
237 ------------------------ 126 ------------------------
238 - Fixed compilation errors and configuration f 127 - Fixed compilation errors and configuration for field07 unit test.
239 128
240 January 13, 2020 G.Cosmo 129 January 13, 2020 G.Cosmo - field-V10-06-01
241 ------------------------ 130 ------------------------
242 - Turn off verbosity flags by default in G4Int 131 - Turn off verbosity flags by default in G4IntegratorDriver,
243 G4InterpolationDriver and G4MagIntegratorDri 132 G4InterpolationDriver and G4MagIntegratorDriver.
244 133
245 December 10, 2019 B.Morgan 134 December 10, 2019 B.Morgan - field-V10-06-00
246 -------------------------- 135 --------------------------
247 - Cleanup CMake build, removing obsolete granu 136 - Cleanup CMake build, removing obsolete granular library options and
248 explicit include_directories. 137 explicit include_directories.
249 138
250 November 14, 2019 J.Apostolakis 139 November 14, 2019 J.Apostolakis - field-V10-05-17
251 ------------------------------- 140 -------------------------------
252 - Added method / attribute to G4VIntegrationDr 141 - Added method / attribute to G4VIntegrationDriver DoesReIntegrate()
253 to inform whether the driver recomputes seg 142 to inform whether the driver recomputes segment when
254 AccurateAdvance is called. 143 AccurateAdvance is called.
255 144
256 October 27, 2019 D.Sorokin 145 October 27, 2019 D.Sorokin - field-V10-05-16
257 ---------------------------- 146 ----------------------------
258 - Remove statistics printouts from destructor 147 - Remove statistics printouts from destructor of G4BFieldIntegrationDriver
259 148
260 October 24, 2019 H.Burkhardt 149 October 24, 2019 H.Burkhardt - field-V10-05-15
261 ---------------------------- 150 ----------------------------
262 - Standard sextupole magnet first implementati 151 - Standard sextupole magnet first implementation G4SextupoleMagField.cc,.hh
263 152
264 October 18, 2019 D. Sorokin 153 October 18, 2019 D. Sorokin - field-V10-05-14
265 ----------------------------------------- 154 -----------------------------------------
266 - Fix floating point exception in G4BFieldInte 155 - Fix floating point exception in G4BFieldIntegrationDriver.
267 156
268 October 1, 2019 G. Cosmo 157 October 1, 2019 G. Cosmo - field-V10-05-13
269 ----------------------------------------- 158 -----------------------------------------
270 - Fixed unitialised data in G4EqMagElectricFie 159 - Fixed unitialised data in G4EqMagElectricField and G4EqGravityField,
271 reported by Coverity. 160 reported by Coverity.
272 161
273 September 12, 2019 G. Cosmo 162 September 12, 2019 G. Cosmo - field-V10-05-12
274 ----------------------------------------- 163 -----------------------------------------
275 - Minor C++11 revision. Code formatting and cl 164 - Minor C++11 revision. Code formatting and cleanup.
276 165
277 July 8, 2019 D. Sorokin 166 July 8, 2019 D. Sorokin - field-V10-05-11
278 ----------------------------------------- 167 -----------------------------------------
279 - G4BFieldIntegrationDriver: an attempt to sol 168 - G4BFieldIntegrationDriver: an attempt to solve looping particle issue.
280 169
281 July 3, 2019 D. Sorokin 170 July 3, 2019 D. Sorokin - field-V10-05-10
282 ----------------------------------------- 171 -----------------------------------------
283 - Make G4InterpolationDriver default for perfo 172 - Make G4InterpolationDriver default for performance assessments.
284 173
285 June 25, 2019 D. Sorokin 174 June 25, 2019 D. Sorokin - field-V10-05-09
286 ----------------------------------------- 175 -----------------------------------------
287 - Fix Dormand-Prince 5th order interpolation m 176 - Fix Dormand-Prince 5th order interpolation method
288 177
289 June 20, 2019 D. Sorokin 178 June 20, 2019 D. Sorokin - field-V10-05-08
290 ----------------------------------------- 179 -----------------------------------------
291 - New version of G4InterpolationDriver with mu 180 - New version of G4InterpolationDriver with multiple steppers for each substep.
292 181
293 June 12, 2019 D. Sorokin & J. Apostolakis 182 June 12, 2019 D. Sorokin & J. Apostolakis - field-V10-05-07
294 ----------------------------------------- 183 -----------------------------------------
295 - Revert to use G4IntegrationDriver as default 184 - Revert to use G4IntegrationDriver as default in G4ChordFinder
296 ( c-tor for magnetic field. ). 185 ( c-tor for magnetic field. ).
297 Change to use concrete type of Stepper as te 186 Change to use concrete type of Stepper as template parameter
298 187
299 June 10, 2019 Dmitry Sorokin 188 June 10, 2019 Dmitry Sorokin - field-V10-05-06
300 ------------------------- 189 -------------------------
301 - Remove division in G4DormandPrince745::Inter 190 - Remove division in G4DormandPrince745::Interpolate4thOrder.
302 191
303 June 7, 2019 Dmitry Sorokin 192 June 7, 2019 Dmitry Sorokin - field-V10-05-05
304 ------------------------- 193 -------------------------
305 - Switch to original chord finding algorithm i 194 - Switch to original chord finding algorithm in G4InterpolationDriver
306 - Reset step estimate in G4MagInt_Driver only 195 - Reset step estimate in G4MagInt_Driver only at the beginning of a track
307 - Change G4VERBOSE to G4FIELD_DEBUG in G4Inter 196 - Change G4VERBOSE to G4FIELD_DEBUG in G4InterpolationDriver to speed-up
308 197
309 June 4, 2019 Dmitry Sorokin 198 June 4, 2019 Dmitry Sorokin - field-V10-05-04
310 ------------------------- 199 -------------------------
311 - Use FSAL property of G4DormandPrince745 in G 200 - Use FSAL property of G4DormandPrince745 in G4InterpolationDriver.
312 201
313 June 3, 2019 Dmitry Sorokin 202 June 3, 2019 Dmitry Sorokin - field-V10-05-03
314 ------------------------- 203 -------------------------
315 - Fix memory churn in G4InterpolationDriver. 204 - Fix memory churn in G4InterpolationDriver.
316 205
317 May 20, 2019 Dmitry Sorokin 206 May 20, 2019 Dmitry Sorokin - field-V10-05-02
318 ------------------------- 207 -------------------------
319 - Make interpolation driver default for immedi 208 - Make interpolation driver default for immediate testing.
320 209
321 April 8, 2019 H.Burkhardt 210 April 8, 2019 H.Burkhardt - field-V10-05-01
322 ------------------------- 211 -------------------------
323 - Correcting transformation to local system in 212 - Correcting transformation to local system in G4QuadrupoleMagField.cc
324 213
325 March 20, 2019 G.Cosmo 214 March 20, 2019 G.Cosmo - field-V10-05-00
326 ---------------------- 215 ----------------------
327 - Corrected 'RegularStepperName' in G4ChordFin 216 - Corrected 'RegularStepperName' in G4ChordFinder to refer to the actual
328 default stepper G4DormandPrince745 rather th 217 default stepper G4DormandPrince745 rather than G4NystromRK4...
329 218
330 November 9, 2018 J.Apostolakis 219 November 9, 2018 J.Apostolakis - field-V10-04-17
331 ------------------------------ 220 ------------------------------
332 - Small fixes for warnings in compilation. 221 - Small fixes for warnings in compilation.
333 - Revisions of descriptions of recent tags (fo 222 - Revisions of descriptions of recent tags (for clarification.)
334 223
335 September 26, 2018 D.Sorokin 224 September 26, 2018 D.Sorokin - field-V10-04-15, -16
336 ---------------------------- 225 ----------------------------
337 - Implemented G4InterpolationDriver. This driv 226 - Implemented G4InterpolationDriver. This driver uses a Runge-Kutta
338 stepper with interpolation property to integ 227 stepper with interpolation property to integrate EoM with error control.
339 The field evaluations used to calculate the 228 The field evaluations used to calculate the enpoint of an 'advance' can
340 be reused to obtain one or multiple internal 229 be reused to obtain one or multiple internal points on the curve (x,p).
341 So in steps in which an intersection is foun 230 So in steps in which an intersection is found, the number of field
342 evaluations are expected to be reduced subst 231 evaluations are expected to be reduced substantially.
343 232
344 September 13, 2018 D.Sorokin 233 September 13, 2018 D.Sorokin - field-V10-04-13, -14
345 ---------------------------- 234 ----------------------------
346 - G4NystromRK4 creates G4CachedMagneticField i 235 - G4NystromRK4 creates G4CachedMagneticField if it was not provided.
347 - Removed G4MagIntegratorStepper::ComputeRight 236 - Removed G4MagIntegratorStepper::ComputeRightHandSide() method
348 (all calls now use non-virtual RightHandSide 237 (all calls now use non-virtual RightHandSide() method instead).
349 - Reversed declaration of final for the class 238 - Reversed declaration of final for the class G4UniformMagField.
350 Returned to previous status: only GetFieldVa 239 Returned to previous status: only GetFieldValue method is final.
351 ( This avoid need to change examples/tests a 240 ( This avoid need to change examples/tests and potentially migrate
352 users' code. ) 241 users' code. )
353 242
354 September 12, 2018 D.Sorokin 243 September 12, 2018 D.Sorokin - field-V10-04-11, -12
355 ---------------------------- 244 ----------------------------
356 - Created new experimental driver G4BFieldInte 245 - Created new experimental driver G4BFieldIntegrationDriver for pure
357 magnetic fields. In QuickAdvance it uses he 246 magnetic fields. In QuickAdvance it uses helix stepper when the
358 estimated 'helix' rotation angle is larger t 247 estimated 'helix' rotation angle is larger than pi/3.
359 - G4NystromRK4 uses G4CachedMagneticField for 248 - G4NystromRK4 uses G4CachedMagneticField for caching values.
360 NOTE: It now the user's responsibility to cr 249 NOTE: It now the user's responsibility to create G4CachedMagneticField.
361 ( The alternative is to create G4CachedMagne 250 ( The alternative is to create G4CachedMagneticField inside G4NystromRK4.
362 But this would have several disadvantages: 251 But this would have several disadvantages:
363 * It would change the field in the user's 252 * It would change the field in the user's equation of motion;
364 * G4NystromRK4 is not able to check whethe 253 * G4NystromRK4 is not able to check whether the user calls the method
365 that changes the equation using SetEquat 254 that changes the equation using SetEquationOfMotion method. )
366 255
367 July 10, 2018 D. Sorokin - field- 256 July 10, 2018 D. Sorokin - field-V10-04-08, -09, -10
368 ------------------------ Tags by J. Apostolaki 257 ------------------------ Tags by J. Apostolakis
369 - Corrections in calculation of chord distance 258 - Corrections in calculation of chord distance in G4DormandPrince745
370 ( use 4th order interpolation from Shampine 259 ( use 4th order interpolation from Shampine 1986 for mid-point. )
371 - Revised G4FieldUtils: moved copy() method fr 260 - Revised G4FieldUtils: moved copy() method from steppers,
372 added 2 new setValue: simple & variadic meth 261 added 2 new setValue: simple & variadic methods.
373 - Fixes to copy input time in ModifiedMidpoint 262 - Fixes to copy input time in ModifiedMidpoint, CashKarp, G4RK547FEq1/2/3
374 Bogacki-Shampine 4/5 and 2/3 (note: B-S 2/3 263 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 264 Dormand Prince 4/5, 5/6 and 7/8, and Tsitouras steppers.
376 - Trial revision in G4BulirschStoer to reduce 265 - Trial revision in G4BulirschStoer to reduce number of division
377 operations (J.A.) 266 operations (J.A.)
378 - Fix for unitialised pIntStepper pointer in G 267 - Fix for unitialised pIntStepper pointer in G4FSALIntegrationDriver
379 constructor. Revision of data member variab 268 constructor. Revision of data member variable names. ( J.A. )
380 269
381 June 15, 2018 G.Cosmo - fiel 270 June 15, 2018 G.Cosmo - field-V10-04-07
382 --------------------- 271 ---------------------
383 - Fixed minor Coverity defects in G4BurlischSt 272 - Fixed minor Coverity defects in G4BurlischStoer and G4ModifiedMidPoint.
384 Code cleanup. 273 Code cleanup.
385 274
386 June 13, 2018 G.Cosmo - fiel 275 June 13, 2018 G.Cosmo - field-V10-04-06
387 --------------------- 276 ---------------------
388 - Leave override final only for clone() method 277 - Leave override final only for clone() method in G4UniformMagField,
389 not in destructor... 278 not in destructor...
390 279
391 June 12, 2018 G.Cosmo - fiel 280 June 12, 2018 G.Cosmo - field-V10-04-05
392 --------------------- 281 ---------------------
393 - Use G4Exception warnings instead of streamin 282 - Use G4Exception warnings instead of streaming to cerr.
394 - Added override final for virtual methods in 283 - Added override final for virtual methods in G4UniformMagField (J.Apostolakis).
395 - Some code cleanup. 284 - Some code cleanup.
396 285
397 Apr 30, 2018 J. Apostolakis - fiel 286 Apr 30, 2018 J. Apostolakis - field-V10-04-04
398 --------------------------- 287 ---------------------------
399 - G4VIntegrationDriver and derived classes 288 - G4VIntegrationDriver and derived classes
400 289
401 Added new virtual method in G4VIntegrationDr 290 Added new virtual method in G4VIntegrationDriver :
402 void RenewStepperAndAdjust(G4MagIntegrat 291 void RenewStepperAndAdjust(G4MagIntegratorStepper *pItsStepper)
403 which used to exist in G4MagInt_Driver. 292 which used to exist in G4MagInt_Driver.
404 ( Its absence caused a problem in some exist 293 ( Its absence caused a problem in some existing user code since 10.4. )
405 294
406 This method must be defined in those derived 295 This method must be defined in those derived driver classes which accept
407 a Runge Kutta stepper ( i.e. some or any typ 296 a Runge Kutta stepper ( i.e. some or any type of G4MagIntegratorStepper )
408 297
409 - G4IntegrationDriver, G4FSALIntegrationDriver 298 - G4IntegrationDriver, G4FSALIntegrationDriver
410 Defined default implementation (which throws 299 Defined default implementation (which throws a Fatal G4Exception), and
411 implementations in the templated classes G4I 300 implementations in the templated classes G4IntegrationDriver and
412 G4FSALIntegrationDriver which check the type 301 G4FSALIntegrationDriver which check the type (via dynamic cast) and
413 change the stepper if it is appropriate. 302 change the stepper if it is appropriate.
414 303
415 Feb 13, 2018 J. Apostolakis - fiel 304 Feb 13, 2018 J. Apostolakis - field-V10-04-03
416 --------------------------- 305 ---------------------------
417 - Change in G4FieldManager::CreateChordFinder 306 - Change in G4FieldManager::CreateChordFinder to cope
418 better with case that field argument is null 307 better with case that field argument is null.
419 308
420 Feb 13, 2018 D. Sorokin - fiel 309 Feb 13, 2018 D. Sorokin - field-V10-04-01
421 ----------------------- - fiel 310 ----------------------- - field-V10-04-02 (comp. fix)
422 - Introduced Bulirsch-Stoer method of integrat 311 - Introduced Bulirsch-Stoer method of integration, an alternative
423 to Runge-Kutta based on the mid-point method 312 to Runge-Kutta based on the mid-point method.
424 Separate driver derived G4VIntegrationDriver 313 Separate driver derived G4VIntegrationDriver and implemented
425 using specialisation of G4IntegrationDriver 314 using specialisation of G4IntegrationDriver template class.
426 Note: this method does not have a RK 'Steppe 315 Note: this method does not have a RK 'Stepper' !
427 316
428 Jan 31, 2018 J. Apostolakis 317 Jan 31, 2018 J. Apostolakis
429 --------------------------- 318 ---------------------------
430 - G4MagneticField no longer inherits from G4El 319 - G4MagneticField no longer inherits from G4ElectroMagneticField
431 This was incorrect, and allowed a user to pr 320 This was incorrect, and allowed a user to provide a full EM
432 field, but obtain the force only from the B- 321 field, but obtain the force only from the B-field when using
433 the equation created in the G4ChordFinder co 322 the equation created in the G4ChordFinder constructor.
434 => potential interface change. 323 => potential interface change.
435 324
436 Result: It is no longer possible to use the 325 Result: It is no longer possible to use the equation of motion for a
437 pure magnetic field for the case of a mix 326 pure magnetic field for the case of a mixed electromagnetic field.
438 This change is desired, and is a *protect 327 This change is desired, and is a *protection* as that inadvertent
439 use led to incorrect results. 328 use led to incorrect results.
440 Instead the full chain of classes for equati 329 Instead the full chain of classes for equation of full EM field,
441 steppers and driver must be used for the 330 steppers and driver must be used for the case of the 'full' EM field.
442 331
443 Feb 9, 2017 G.Cosmo - fiel 332 Feb 9, 2017 G.Cosmo - field-V10-04-00
444 ------------------- 333 -------------------
445 - Removed static data from G4FSALIntegrationDr 334 - Removed static data from G4FSALIntegrationDriver, G4IntegrationDriver and
446 G4MagIntegratorDriver and moved to base clas 335 G4MagIntegratorDriver and moved to base class as normal data members.
447 Fix required for allowing proper symbol expo 336 Fix required for allowing proper symbol exporting on Windows DLLs.
448 337
449 Nov 17, 2017 J. Apostolakis - fiel 338 Nov 17, 2017 J. Apostolakis - field-V10-03-30
450 --------------------------- 339 ---------------------------
451 - G4ChordFinder: Reinstated old driver G4MagIn 340 - G4ChordFinder: Reinstated old driver G4MagInt_Drv, for use
452 with G4DormandPrince745 (5th order) in G4C 341 with G4DormandPrince745 (5th order) in G4ChordFinder's
453 2nd constructor (with magnetic field.) 342 2nd constructor (with magnetic field.)
454 ( Reverses change made in field-V10-03-27 ) 343 ( Reverses change made in field-V10-03-27 )
455 344
456 Nov 16, 2017 J. Apostolakis - fiel 345 Nov 16, 2017 J. Apostolakis - field-V10-03-29
457 --------------------------- 346 ---------------------------
458 - Suppressed statistics printing in G4ChordFin 347 - Suppressed statistics printing in G4ChordFinder and new drivers
459 ( G4IntegrationDriver and G4FSALIntegration 348 ( G4IntegrationDriver and G4FSALIntegrationDriver )
460 protecting them by verbosity flags. 349 protecting them by verbosity flags.
461 350
462 - Minor fix to initialise scalar data member i 351 - Minor fix to initialise scalar data member in new steppers
463 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3. 352 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3.
464 Fixes coverity issues 97886, 97888 and 97889 353 Fixes coverity issues 97886, 97888 and 97889.
465 354
466 355
467 Nov 14, 2017 J. Apostolakis - fiel 356 Nov 14, 2017 J. Apostolakis - field-V10-03-28
468 --------------------------- 357 ---------------------------
469 - Suppressed extra verbosity in G4ChordFinder. 358 - Suppressed extra verbosity in G4ChordFinder.
470 - Fix in G4FSALDormandPrince745 for unitialise 359 - Fix in G4FSALDormandPrince745 for unitialised variables.
471 Initialise ak8[], ak9[] in constructor. This 360 Initialise ak8[], ak9[] in constructor. This avoids repeated
472 memory allocation, without deletion - i.e. a 361 memory allocation, without deletion - i.e. a memory leak.
473 - Initialise fLastStepLength and/or fAuxSteppe 362 - Initialise fLastStepLength and/or fAuxStepper data members in
474 in constructors of G4DormandPrince745 and G4 363 in constructors of G4DormandPrince745 and G4FSALDormandPrince745.
475 Coverity issues: 67394 (G4FSALDormandPrince7 364 Coverity issues: 67394 (G4FSALDormandPrince745)
476 67391 (G4DormandPrince7 365 67391 (G4DormandPrince745)
477 366
478 Nov 14, 2017 J. Apostolakis - fiel 367 Nov 14, 2017 J. Apostolakis - field-V10-03-27 (fixed)
479 --------------------------- - fiel 368 --------------------------- - field-V10-03-26
480 - G4ChordFinder: changes in default stepper & 369 - G4ChordFinder: changes in default stepper & driver in 2nd constructor.
481 in which only a magnetic field is provided ( 370 in which only a magnetic field is provided (used widely) :
482 371
483 * Reinstated G4DormandPrince745 (5th order) 372 * Reinstated G4DormandPrince745 (5th order) as default in G4ChordFinder.
484 (corrected -23, which missed to initialise 373 (corrected -23, which missed to initialise driver.)
485 374
486 * New templated driver G4IntegrationDriver i 375 * New templated driver G4IntegrationDriver is chosen for the
487 the simple constuctors of G4ChordFinder an 376 the simple constuctors of G4ChordFinder and G4FieldManager
488 which only require a (pure) magnetic field 377 which only require a (pure) magnetic field. ( Details below.)
489 378
490 Additional information and details: 379 Additional information and details:
491 * New optional parameter to constructor of G 380 * New optional parameter to constructor of G4ChordFinder which
492 allow to create an FSAL stepper and corres 381 allow to create an FSAL stepper and corresponding driver instead.
493 This aims to reuse some derivatives, thus 382 This aims to reuse some derivatives, thus reducing computations
494 of derivatives and thus field evaluations. 383 of derivatives and thus field evaluations. )
495 384
496 * The templated 'driver' classes, available 385 * The templated 'driver' classes, available and now chosen in
497 G4ChordFinder's 2nd constructor, are used 386 G4ChordFinder's 2nd constructor, are used per type of stepper
498 class: 387 class:
499 - G4IntegrationDriver for non-FSAL 388 - G4IntegrationDriver for non-FSAL steppers
500 - G4FSALIntegrationDriver for FSAL-capab 389 - G4FSALIntegrationDriver for FSAL-capable steppers
501 These make non-virtual calls to the steppe 390 These make non-virtual calls to the stepper, as they know its type.
502 391
503 - First fix in G4FSALDormandPrince745 for memo 392 - First fix in G4FSALDormandPrince745 for memory leak, missing
504 delete[] fInitialDyDx in destructor. Coverit 393 delete[] fInitialDyDx in destructor. Coverity issue: 96383.
505 394
506 ---------------------------------------------- 395 ----------------------------------------------------------------------
507 Multiple tags (below) were to better test step 396 Multiple tags (below) were to better test stepper/driver combinations:
508 Date Tagger Tag name Stepper 397 Date Tagger Tag name Stepper Driver
509 ============================================== 398 ======================================================================
510 Nov 3, D. Sorokin field-V10-03-25 G4FSALBo 399 Nov 3, D. Sorokin field-V10-03-25 G4FSALBogackiShampine45 FSAL
511 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDo 400 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDormandPrince745 FSAL ok
512 Nov 2, J. Apostolakis field-V10-03-23 G4Dorman 401 Nov 2, J. Apostolakis field-V10-03-23 G4DormandPrince745 new
513 Nov 2, J. Apostolakis field-V10-03-22 G4RK547F 402 Nov 2, J. Apostolakis field-V10-03-22 G4RK547FEq1 FSAL ok
514 ---------------------------------------------- 403 ----------------------------------------------------------------------
515 Glossary of drivers: 404 Glossary of drivers:
516 the FSAL driver = using G4FSALIntegrationDr 405 the FSAL driver = using G4FSALIntegrationDriver (templated)
517 the new driver = using G4IntegrationDriver 406 the new driver = using G4IntegrationDriver (templated)
518 ============================================== 407 ===================================================================
519 408
520 Nov 2, 2017 D. Sorokin - fiel 409 Nov 2, 2017 D. Sorokin - field-V10-03-21
521 --------------------------------------- 410 ---------------------------------------
522 - Added new steppers G4RK547FEq{1,2,3} which i 411 - Added new steppers G4RK547FEq{1,2,3} which implement 7 stage embedded
523 Runge-Kutta 4,5 pairs with: 412 Runge-Kutta 4,5 pairs with:
524 - FSAL property (return derivative at end 413 - FSAL property (return derivative at endpoint for use in next step),
525 - stable equilibrium states ( improved ha 414 - stable equilibrium states ( improved handling of difficulties in
526 integration: better stability in choo 415 integration: better stability in choosing step size. )
527 Each one can be used with all existing Runge 416 Each one can be used with all existing Runge-Kutta drivers:
528 - G4FSALIntegrationDriver, using its FSAL 417 - G4FSALIntegrationDriver, using its FSAL property;
529 - G4IntegrationDriver without its FSAL 418 - G4IntegrationDriver without its FSAL property.
530 - the original G4MagInt_Driver, also igno 419 - the original G4MagInt_Driver, also ignoring FSAL.
531 420
532 - Reinstated G4DormandPrince745 ( known widel 421 - Reinstated G4DormandPrince745 ( known widely as DOPRI5 ) as
533 the default RK method in G4ChordFinder for p 422 the default RK method in G4ChordFinder for pure magnetic fields.
534 ( Withdrew G4BogackiShampine45. ) J. Apos 423 ( Withdrew G4BogackiShampine45. ) J. Apostolakis
535 424
536 Nov 1, 2017 J. Apostolakis - fiel 425 Nov 1, 2017 J. Apostolakis - field-V10-03-20
537 --------------------------- 426 ---------------------------
538 - Made G4BogackiShampine45 the default RK meth 427 - Made G4BogackiShampine45 the default RK method in G4ChordFinder
539 for pure magnetic fields. 428 for pure magnetic fields.
540 429
541 Oct 30, 2017 D. Sorokin/J.Apostolakis - fiel 430 Oct 30, 2017 D. Sorokin/J.Apostolakis - field-V10-03-19
542 --------------------------------------- 431 ---------------------------------------
543 - add GetStepper method to G4VIntegrationDrive 432 - add GetStepper method to G4VIntegrationDriver for backward compatibility
544 433
545 Oct 20, 2017 D. Sorokin - fiel 434 Oct 20, 2017 D. Sorokin - field-V10-03-18
546 --------------------------------------- 435 ---------------------------------------
547 Introduced base class for any driver algorithm 436 Introduced base class for any driver algorithm (G4VIntegrationDriver)
548 New concrete classes added: 437 New concrete classes added:
549 - G4IntegrationDriver: implementation of templ 438 - G4IntegrationDriver: implementation of templated driver algorithm
550 for non-fsal explicit Runge-Kutta steppers 439 for non-fsal explicit Runge-Kutta steppers
551 - G4FSALIntegrationDriver: implementation of d 440 - G4FSALIntegrationDriver: implementation of driver algorithm for
552 FSAL explicit Runge-Kutta steppers. 441 FSAL explicit Runge-Kutta steppers.
553 Existing class G4MagInt_Drv remains, deriving 442 Existing class G4MagInt_Drv remains, deriving from base class.
554 443
555 - Expanded testing in testProElectroMagField ( 444 - Expanded testing in testProElectroMagField (higher precision, new driver)
556 ( J. Apostolakis) 445 ( J. Apostolakis)
557 446
558 Oct 13, 2017 D. Sorokin - fiel 447 Oct 13, 2017 D. Sorokin - field-V10-03-17
559 --------------------------------------- 448 ---------------------------------------
560 - add G4FieldUtils.hh, G4FieldUtils.icc, G4Fie 449 - add G4FieldUtils.hh, G4FieldUtils.icc, G4FieldUtils.cc:
561 utilities to extract data from arrays in con 450 utilities to extract data from arrays in conventions of the
562 magneticfield integration. 451 magneticfield integration.
563 452
564 Oct 13, 2017 G. Cosmo - fiel 453 Oct 13, 2017 G. Cosmo - field-V10-03-16
565 --------------------------------------- 454 ---------------------------------------
566 - G4NystromRK4: use consistenly G4 types for d 455 - G4NystromRK4: use consistenly G4 types for double and bool in G4NystromRK4.
567 456
568 Aug 31, 2017 J. Apostolakis - fiel 457 Aug 31, 2017 J. Apostolakis - field-V10-03-15
569 --------------------------------------- 458 ---------------------------------------
570 - Made G4DormandPrince457 the default Stepper 459 - Made G4DormandPrince457 the default Stepper for magnetic fields in
571 G4ChordFinder - when a driver/stepper is not 460 G4ChordFinder - when a driver/stepper is not specified.
572 461
573 Aug 31, 2017 J. Apostolakis - fiel 462 Aug 31, 2017 J. Apostolakis - field-V10-03-14
574 --------------------------------------- 463 ---------------------------------------
575 - G4NystromRK4: used caching of momentum magni 464 - G4NystromRK4: used caching of momentum magnitude ( & its inverse)
576 to reduce overhead of fix in field-V10-03-10 465 to reduce overhead of fix in field-V10-03-10.
577 466
578 Aug 25, 2017 J. Apostolakis - fiel 467 Aug 25, 2017 J. Apostolakis - field-V10-03-12, 13
579 --------------------------------------- 468 ---------------------------------------
580 - G4MagInt_Driver: added GetEquationOfMotion m 469 - G4MagInt_Driver: added GetEquationOfMotion method for enabling common
581 code with future develoment. 470 code with future develoment.
582 471
583 Aug 24, 2017 D.Sorokin & J. Apostolakis - fiel 472 Aug 24, 2017 D.Sorokin & J. Apostolakis - field-V10-03-11
584 --------------------------------------- 473 ---------------------------------------
585 - G4NystromRK4: correction in call to getField 474 - G4NystromRK4: correction in call to getField: needs p[4], not p[3]
586 ( Spotted by D. Sorokin ) 475 ( Spotted by D. Sorokin )
587 Also small cleanup of testing code into 2 sm 476 Also small cleanup of testing code into 2 small new methods.
588 ( J. Apostolakis ) 477 ( J. Apostolakis )
589 478
590 Aug 23, 2017 J.Apostolakis - fiel 479 Aug 23, 2017 J.Apostolakis - field-V10-03-10
591 -------------------------- 480 --------------------------
592 - G4NystromRK4 - Fix the caching of momentum, 481 - G4NystromRK4 - Fix the caching of momentum, field location & value.
593 Fixes issue reported by ALICE ( problem repo 482 Fixes issue reported by ALICE ( problem report #1996 ).
594 Thanks to Ruben Shahoyan for identifying and 483 Thanks to Ruben Shahoyan for identifying and reporting the issue!
595 - Temporarly made G4NystromRK4 the default Ste 484 - Temporarly made G4NystromRK4 the default Stepper in G4ChordFinder's 2nd
596 constructor (to ensure adequate testing). 485 constructor (to ensure adequate testing).
597 486
598 Jul 04, 2017 J.Apostolakis - field 487 Jul 04, 2017 J.Apostolakis - field-V10-03-09
599 -------------------------- 488 --------------------------
600 - G4DormandPrinceRK78: initialise fLastStepLen 489 - G4DormandPrinceRK78: initialise fLastStepLength and/or fAuxStepper data
601 members in constructor. Coverity issue: 6739 490 members in constructor. Coverity issue: 67398,
602 Improved description and reference to origin 491 Improved description and reference to original 1981 DP paper.
603 - G4MagIntegratorDriver: initialised fNoCalls 492 - G4MagIntegratorDriver: initialised fNoCalls in c-tor. Coverity #15158.
604 493
605 Jul 03, 2017 J.Apostolakis - field 494 Jul 03, 2017 J.Apostolakis - field-V10-03-08
606 -------------------------- 495 --------------------------
607 - G4FSALBogackiShampline45: initialise 'bi[][] 496 - G4FSALBogackiShampline45: initialise 'bi[][]' const coefficients only 1 time
608 in method PrepareConstants() called by const 497 in method PrepareConstants() called by constructor.
609 ( Similar to G4BogackiShampine => seek con 498 ( Similar to G4BogackiShampine => seek consolidation )
610 Small fix: initialise fAuxStepper to nullptr 499 Small fix: initialise fAuxStepper to nullptr, if not primary.
611 ( Part of Coverity issue 67394 ) 500 ( Part of Coverity issue 67394 )
612 - G4DormandPrinceRK56: fix for significant mem 501 - G4DormandPrinceRK56: fix for significant memory leak of ak10_low buffer
613 space in SetupInterpolate_low(), apparently 502 space in SetupInterpolate_low(), apparently not seen by Coverity
614 because it was initialised in each use, not 503 because it was initialised in each use, not in constructor!
615 Improved initialisation of ak10, 11, 12 (mov 504 Improved initialisation of ak10, 11, 12 (moved to constructor)
616 and fixed small memory leak (added deletion 505 and fixed small memory leak (added deletion in destructor).
617 - G4MagIntegratorStepper: initialise fNoRHSCal 506 - G4MagIntegratorStepper: initialise fNoRHSCalls & fIntegrationOrder in c-tor.
618 ( fIntegrationOrder is not yet used widely - 507 ( fIntegrationOrder is not yet used widely - future migration )
619 Coverity issue 67392. 508 Coverity issue 67392.
620 - G4VFSALIntegrationStepper: initialise counte 509 - G4VFSALIntegrationStepper: initialise counter in c-tor. Coverity issue 67396.
621 - G4BogackiShampine23: initialised fIsFSAL, fI 510 - G4BogackiShampine23: initialised fIsFSAL, fIntegrationOrder in c-tor.
622 Suppressed obsolete virtual method isFSAL, 511 Suppressed obsolete virtual method isFSAL,
623 Deleted duplicate virtual method 'isFSAL()'. 512 Deleted duplicate virtual method 'isFSAL()'. Non-virtual method IsFSAL()
624 now exists in base class G4MagIntegratorStep 513 now exists in base class G4MagIntegratorStepper.
625 Made copy constructor and equal operator pri 514 Made copy constructor and equal operator private and not unimplemented.
626 Added explanatory comments in source file; c 515 Added explanatory comments in source file; can make this method FSAL easily
627 (it calculates derivative @ endpoint. ) 516 (it calculates derivative @ endpoint. )
628 - Several steppers ( G4DoLoMcPriRK34, G4FSALBo 517 - Several steppers ( G4DoLoMcPriRK34, G4FSALBogackiShampine45,
629 G4DormandPrince745, G4BogackiShampine45 ): i 518 G4DormandPrince745, G4BogackiShampine45 ): initialise fLastStepLength and/or
630 fAuxStepper data members in constructor. 519 fAuxStepper data members in constructor.
631 Coverity issues: 67393, 67394, 67391, 67390, 520 Coverity issues: 67393, 67394, 67391, 67390, 67363
632 521
633 Jul 03, 2017 J.Apostolakis - field 522 Jul 03, 2017 J.Apostolakis - field-V10-03-05, -06, -07
634 -------------------------- 523 --------------------------
635 - fix for memory leak in Stepper() in two step 524 - fix for memory leak in Stepper() in two steppers:
636 G4FSALBogackiShampline45 ( Coverity issue 525 G4FSALBogackiShampline45 ( Coverity issue 67389 )
637 G4FSALDormandPrince745 ( Coverity issue 526 G4FSALDormandPrince745 ( Coverity issue 67397 )
638 - G4BogackiShampline23: fix for memory leak in 527 - G4BogackiShampline23: fix for memory leak in destructor
639 ( Coverity issue 67355 ) 528 ( Coverity issue 67355 )
640 529
641 May 17, 2017 J.Apostolakis - field 530 May 17, 2017 J.Apostolakis - field-V10-03-03, -04 (resubmit)
642 -------------------------- 531 --------------------------
643 - G4FieldManager::SetDetectorField 532 - G4FieldManager::SetDetectorField
644 Fixed default of 'fail mode' parameter in 533 Fixed default of 'fail mode' parameter in
645 to 0 (silent) - not 1 which was used for 534 to 0 (silent) - not 1 which was used for debugging.
646 In case of existing G4ChordFinder, use 'max' 535 In case of existing G4ChordFinder, use 'max' (1, failMode) not min.
647 536
648 537
649 May 11, 2017 J.Apostolakis - field 538 May 11, 2017 J.Apostolakis - field-V10-03-02
650 -------------------------- 539 --------------------------
651 - Reintroduced changes of field-V10-01-05, 06 540 - Reintroduced changes of field-V10-01-05, 06 and 07 to address
652 issue recalled by ATLAS. 541 issue recalled by ATLAS.
653 - New fixes/refinements (since field-V10-01-07 542 - New fixes/refinements (since field-V10-01-07)
654 o Extra check for missing equation. (Fix) 543 o Extra check for missing equation. (Fix)
655 o Renamed G4FieldManager::SetFieldChangesEne 544 o Renamed G4FieldManager::SetFieldChangesEnergy() method to
656 InitialiseFieldChangesEnergy() to clarify 545 InitialiseFieldChangesEnergy() to clarify its utility.
657 - Original functionality change (copied from f 546 - Original functionality change (copied from field-V10-01-05, & -07) :
658 o G4FieldManager.cc : Revised behaviour of S 547 o G4FieldManager.cc : Revised behaviour of SetDetector - it now
659 passes the Field to the Equation, as is th 548 passes the Field to the Equation, as is the natural user expectation
660 The previous behaviour is possible, using 549 The previous behaviour is possible, using extra argument 'failMode' flag.
661 Values: 0 = silent ; 550 Values: 0 = silent ;
662 1 (default) = warning; 551 1 (default) = warning;
663 2 or other = fatal except 552 2 or other = fatal exception.
664 553
665 This change is to ensure that user expecta 554 This change is to ensure that user expectation is met:
666 if the field is changed for an existing, w 555 if the field is changed for an existing, working stepper it must
667 be propagated to the equation of motion. 556 be propagated to the equation of motion.
668 Note: this causes potential conflict betwe 557 Note: this causes potential conflict between the type of the equation
669 and the field, which will need to be 558 and the field, which will need to be solved in the future.
670 Old behaviour (just set our own pointer) i 559 Old behaviour (just set our own pointer) is still available in new method:
671 ProposeDetectorField(G4Field *detectorFiel 560 ProposeDetectorField(G4Field *detectorField)
672 Note: Error reporting behaviour of SetDete 561 Note: Error reporting behaviour of SetDetector is 'soft'. It does not
673 complain by default if ChordFinder i 562 complain by default if ChordFinder is not (yet) set.
674 ( The default values of failMode = 0 563 ( The default values of failMode = 0 i.e. quiet. )
675 If a chord-finder exists, it will still wa 564 If a chord-finder exists, it will still warn for other errors.
676 To obtain have noisy extra checks call Set 565 To obtain have noisy extra checks call SetDetectorField with failMode > 0
677 or by using the new method for an existing 566 or by using the new method for an existing field:
678 ChangeDetectorField(G4Field *detectorField 567 ChangeDetectorField(G4Field *detectorField)
679 OLD: Co-works and requires new tag in geomet 568 OLD: Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
680 569
681 Mar 22, 2017 G.Cosmo - fiel 570 Mar 22, 2017 G.Cosmo - field-V10-03-01
682 --------------------- 571 ---------------------
683 - Revert change made in previous tag and add s 572 - Revert change made in previous tag and add simple accessor to return
684 singleton pointer. 573 singleton pointer.
685 574
686 Mar 17, 2017 G.Cosmo - fiel 575 Mar 17, 2017 G.Cosmo - field-V10-03-00
687 --------------------- 576 ---------------------
688 - Define G4FieldManagerStore as normal singlet 577 - Define G4FieldManagerStore as normal singleton and corrected destructor.
689 578
690 Oct 7, 2016 J.Apostolakis - fiel 579 Oct 7, 2016 J.Apostolakis - field-V10-02-24, 25
691 --------------------------- 580 ---------------------------
692 - Checked loops for termination for infinite l 581 - Checked loops for termination for infinite loops and annotated
693 them with "Loop checking" comment 582 them with "Loop checking" comment
694 583
695 Oct 7, 2016 D.Sorokin - fiel 584 Oct 7, 2016 D.Sorokin - field-V10-02-23
696 ----------------------- Commit: J. Apostolaki 585 ----------------------- Commit: J. Apostolakis
697 - Protection for multiple inclusion of G4Class 586 - Protection for multiple inclusion of G4ClassicalRK4
698 (thanks to Dmitrii Sorokin, GSoC 2016 stude 587 (thanks to Dmitrii Sorokin, GSoC 2016 student. )
699 588
700 Aug 16, 2016 J.Apostolakis - fiel 589 Aug 16, 2016 J.Apostolakis - field-V10-02-22
701 --------------------------- 590 ---------------------------
702 - Added initialization of fAuxStepper in const 591 - Added initialization of fAuxStepper in constructor of
703 G4DoLoMcPriRK34, G4DormandPrince745 & G4Dorm 592 G4DoLoMcPriRK34, G4DormandPrince745 & G4DormandPrinceRK56.
704 593
705 June 11, 2016 J.Apostolakis - fiel 594 June 11, 2016 J.Apostolakis - field-V10-02-21
706 --------------------------- 595 ---------------------------
707 - Restored G4ClassicalRK4 as default stepper f 596 - Restored G4ClassicalRK4 as default stepper for B-field,
708 (due to performance issues reported in bench 597 (due to performance issues reported in benchmarking.)
709 598
710 June 10, 2016 G.Cosmo - fiel 599 June 10, 2016 G.Cosmo - field-V10-02-20
711 --------------------- 600 ---------------------
712 - Fixed code indentation in G4HelixMixedSteppe 601 - Fixed code indentation in G4HelixMixedStepper;
713 fixes compilation warnings on gcc-6.1. 602 fixes compilation warnings on gcc-6.1.
714 603
715 June 1, 2016 J.Apostolakis - fiel 604 June 1, 2016 J.Apostolakis - field-V10-02-19, 18, 17
716 -------------------------- 605 --------------------------
717 - Fix in multiple steppers for the size of two 606 - Fix in multiple steppers for the size of two C-arrays which hold
718 intermediate values; they must be at least 607 intermediate values; they must be at least 8 and at least
719 'fNumberOfStateVariables' long. 608 'fNumberOfStateVariables' long.
720 Changed: G4CashKarp, 609 Changed: G4CashKarp,
721 G4BogackiShampine 23 & 34 610 G4BogackiShampine 23 & 34
722 G4DormandPrince 745, RK56 & RK78 611 G4DormandPrince 745, RK56 & RK78
723 G4DoLoMcPriRK34 612 G4DoLoMcPriRK34
724 G4FSALBogackiShampine45, G4FSALDorm 613 G4FSALBogackiShampine45, G4FSALDormandPrince745
725 - Made G4CashKarp the default stepper in G4Cho 614 - Made G4CashKarp the default stepper in G4ChordFinder.
726 - Deleted trial class G4NewChordFinder. 615 - Deleted trial class G4NewChordFinder.
727 616
728 June 1, 2016 J.Apostolakis - fiel 617 June 1, 2016 J.Apostolakis - field-V10-02-16
729 -------------------------- 618 --------------------------
730 - Deleted test code (RkTestRun) due to cmake i 619 - Deleted test code (RkTestRun) due to cmake issues
731 620
732 June 1, 2016 J.Apostolakis - fiel 621 June 1, 2016 J.Apostolakis - field-V10-02-15 (also -14)
733 -------------------------- 622 --------------------------
734 - Made G4ClassicalRK4 the default stepper agai 623 - Made G4ClassicalRK4 the default stepper again in G4ChordFinder
735 - Fixes in test code (RkTestRun) for new names 624 - Fixes in test code (RkTestRun) for new names of classes.
736 625
737 May 31, 2016 J.Apostolakis - fiel 626 May 31, 2016 J.Apostolakis - field-V10-02-13 (also -12)
738 -------------------------- 627 --------------------------
739 - New class G4NewChordFinder, that uses old G4 628 - New class G4NewChordFinder, that uses old G4MagIntegratorDriver or
740 the newer G4FSALIntegratorDriver -- first 629 the newer G4FSALIntegratorDriver -- first try, for testing FSAL.
741 Created new test testNewChordFinder.cc to ch 630 Created new test testNewChordFinder.cc to checks this.
742 631
743 - Renamed new Stepper classes to use 'G4' pref 632 - Renamed new Stepper classes to use 'G4' prefix, including
744 DormandPrince{745,RK56,RK67} TsitourasRK45 633 DormandPrince{745,RK56,RK67} TsitourasRK45 and DoLoMcPriRK34
745 634
746 - Renamed FSAL base classes to use 'G4' prefix 635 - Renamed FSAL base classes to use 'G4' prefix & 'Integrat-ion'
747 FSALMagIntegratorStepper to G4VFSALIntegr 636 FSALMagIntegratorStepper to G4VFSALIntegrationStepper
748 FSALIntegratorDriver to G4FSALIntegr 637 FSALIntegratorDriver to G4FSALIntegrationDriver
749 and the experimental FSAL versions of steppe 638 and the experimental FSAL versions of steppers,
750 FBogackiShampine45.hh to G4FSALBogackiS 639 FBogackiShampine45.hh to G4FSALBogackiShampine45.hh
751 FDormandPrince745.hh to G4FSALDormandP 640 FDormandPrince745.hh to G4FSALDormandPrince745.hh
752 ( Note: FSAL steppers remain 'behind' the impr 641 ( Note: FSAL steppers remain 'behind' the improved non-FSAL versions.)
753 642
754 - Made DormandPrince745 (DP45) the default ste 643 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
755 644
756 May 26, 2016 J.Apostolakis & Som. Banerjee - 645 May 26, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-11
757 ------------------------------------------ 646 ------------------------------------------
758 - First version of FSAL classes (as additional 647 - First version of FSAL classes (as additional classes)
759 FSAL Integrator Driver : New *concrete*, 648 FSAL Integrator Driver : New *concrete*, stand-alone driver
760 FSAL Integrator Stepper : New base class ( 649 FSAL Integrator Stepper : New base class (separate from G4MagIntegratorStepper)
761 FBogackiShampine45: FSAL-version of Bogac 650 FBogackiShampine45: FSAL-version of BogackiShampine45 stepper
762 FDormandPrince745: FSAL-version of FDorm 651 FDormandPrince745: FSAL-version of FDormandPrince745 stepper
763 Developed by Somnath Banerjee in GSoC 2015 652 Developed by Somnath Banerjee in GSoC 2015
764 653
765 Context: 654 Context:
766 * FSAL Stepper's key 'Stepper()' method for St 655 * FSAL Stepper's key 'Stepper()' method for Stepping has additional
767 argument to return the derivative at the e 656 argument to return the derivative at the end of a step.
768 If the step was successful, this estimate 657 If the step was successful, this estimate has the same order of
769 accuracy as the stepper (i.e. 5th order fo 658 accuracy as the stepper (i.e. 5th order for a 5th order stepper.)
770 659
771 - FSAL Driver method uses the revised Stepper 660 - FSAL Driver method uses the revised Stepper interface, using
772 the final (endpoint) derivative for succes 661 the final (endpoint) derivative for successful steps
773 as the start derivative for the next step, 662 as the start derivative for the next step, in case of
774 continuing of integration. 663 continuing of integration.
775 664
776 - New test (RkTestRun.cc) covering FSAL method 665 - New test (RkTestRun.cc) covering FSAL methods, integration
777 Developed by Somnath Banerjee in GSoC 2015 666 Developed by Somnath Banerjee in GSoC 2015
778 667
779 May 26, 2016 J.Apostolakis - 668 May 26, 2016 J.Apostolakis - field-V10-02-10
780 -------------------------- 669 --------------------------
781 Preparation for addition of FSAL steppers (& d 670 Preparation for addition of FSAL steppers (& driver)
782 - G4MagIntegratorStepper: Added counter for ca 671 - G4MagIntegratorStepper: Added counter for calls to equation RHS,
783 with Get/Reset methods. 672 with Get/Reset methods.
784 - Cosmetic fixes in sources.cmake (tabs to spa 673 - Cosmetic fixes in sources.cmake (tabs to spaces)
785 674
786 May 25, 2016 J.Apostolakis & Som. Banerjee - 675 May 25, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-09
787 ------------------------------------------ 676 ------------------------------------------
788 - Added new stepper classes embedded RK method 677 - Added new stepper classes embedded RK method:
789 * DoLoMcPriRK34, 6-stage 3/4 RK (interp 678 * DoLoMcPriRK34, 6-stage 3/4 RK (interpolation)
790 * DormandPrinceRK56, 9-stage 5/6 RK (interp 679 * DormandPrinceRK56, 9-stage 5/6 RK (interpolation, FSAL-able) "6(5)"
791 * DormandPrinceRK78, 13-stage 7/8 RK (interp 680 * DormandPrinceRK78, 13-stage 7/8 RK (interpolation) "8(7) 13M"
792 created by Somnath Banerjee as part of GSoC 681 created by Somnath Banerjee as part of GSoC 2015.
793 682
794 May 25, 2016 J.Apostolakis - field 683 May 25, 2016 J.Apostolakis - field-V10-02-08
795 -------------------------- 684 --------------------------
796 - Revised testPropagateMagField, to reduce err 685 - Revised testPropagateMagField, to reduce error severity for over-long
797 steps. An error message is still written 686 steps. An error message is still written if move > (1.+1.0e-9) * step,
798 but test does not stop. 687 but test does not stop.
799 688
800 - G4HelixMixedStepper: Fixes & added new (5th 689 - G4HelixMixedStepper: Fixes & added new (5th order) stepper choices.
801 Included (G4)Bogacki-Shampine 23/45 , Dor 690 Included (G4)Bogacki-Shampine 23/45 , DormandPrince745,
802 and newest TsitourasRK45. 691 and newest TsitourasRK45.
803 692
804 May 24, 2016 J.Apostolakis - field 693 May 24, 2016 J.Apostolakis - field-V10-02-06, 07
805 -------------------------- 694 --------------------------
806 - Added TsitourasRK45 stepper. 695 - Added TsitourasRK45 stepper.
807 - Made Cash-Karp the default stepper (in G4Cho 696 - Made Cash-Karp the default stepper (in G4ChordFinder).
808 697
809 May 23, 2016 J.Apostolakis - field 698 May 23, 2016 J.Apostolakis - field-V10-02-05
810 -------------------------- 699 --------------------------
811 - Made DormandPrince745 (DP45) the default ste 700 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
812 701
813 May 20, 2016 J.Apostolakis - field 702 May 20, 2016 J.Apostolakis - field-V10-02-04
814 ------------------------- 703 -------------------------
815 - Added steppers created by Somnath Banerjee a 704 - Added steppers created by Somnath Banerjee as part of GSoC 2015,
816 G4BogackiShampine23 (BS23 below), G4Bogack 705 G4BogackiShampine23 (BS23 below), G4BogackiShampine45 (BS45) and
817 DormandPrince745 (DP45). 706 DormandPrince745 (DP45).
818 These implement third order (BS23) and fifth 707 These implement third order (BS23) and fifth order (BS45, DP45)
819 embedded RK tableaus. 708 embedded RK tableaus.
820 - DP45 includes interpolation method, to evalu 709 - DP45 includes interpolation method, to evaluate the interpolant
821 ('y') at intermediate points of a successf 710 ('y') at intermediate points of a successful step.
822 BS45's interpolation method exists, but is n 711 BS45's interpolation method exists, but is not validated (fails).
823 712
824 References: 713 References:
825 - BS45 is embedded pair from paper by P. Bog 714 - BS45 is embedded pair from paper by P. Bogacki and L. F. Shampine:
826 “An efficient Runge-Kutta (4,5) pair, 715 “An efficient Runge-Kutta (4,5) pair,”
827 Comput. Math. with Appl., vol. 32, no. 6 716 Comput. Math. with Appl., vol. 32, no. 6, pp. 15–28, Sep. 1996.
828 - BS23 is four stage RK method from the pape 717 - 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 718 “A 3(2) pair of Runge - Kutta formulas,”
830 Appl. Math. Lett., vol 2, no 4, p.321 (1 719 Appl. Math. Lett., vol 2, no 4, p.321 (1989).
831 - DP45 are from Table 2 of J. R. Dormand an 720 - DP45 are from Table 2 of J. R. Dormand and P. J. Prince's
832 “A family of embedded Runge-Kutta form 721 “A family of embedded Runge-Kutta formulae,”
833 Journal of comput. and applied Math., vo 722 Journal of comput. and applied Math., vol. 6, no. 1, pp. 19–26, 1980.
834 723
835 May 4, 2016 G.Cosmo - field- 724 May 4, 2016 G.Cosmo - field-V10-02-03
836 ------------------- 725 -------------------
837 - Fixed Clone() signatures in derived Field cl 726 - Fixed Clone() signatures in derived Field classes.
838 More corrections on implementations of opera 727 More corrections on implementations of operator=() and copy-ctors.
839 728
840 Apr 29, 2016 G.Cosmo - field- 729 Apr 29, 2016 G.Cosmo - field-V10-02-02
841 -------------------- 730 --------------------
842 - Corrected implementation of operator=() and 731 - Corrected implementation of operator=() and copy-ctor for G4Field,
843 G4ElectroMagneticField, G4ElectricField and 732 G4ElectroMagneticField, G4ElectricField and G4CachedMagneticField.
844 733
845 Feb 25, 2016 P.Gumplinger - field- 734 Feb 25, 2016 P.Gumplinger - field-V10-02-01
846 ------------------------- 735 -------------------------
847 - address Problem Report: 1831 736 - address Problem Report: 1831
848 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin 737 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin, G4EqEMFieldWithEDM and
849 G4RepleteEofM.cc from g_BMT = (magMo 738 G4RepleteEofM.cc from g_BMT = (magMoment/muB)/spin
850 to g_BMT = (std:: 739 to g_BMT = (std::abs(magMoment)/muB)/spin
851 740
852 741
853 Dec 11, 2015 A.Dotti - field-V10-02-0 742 Dec 11, 2015 A.Dotti - field-V10-02-00
854 -------------------------- 743 --------------------------
855 Fixing typo in tests/CMakeList.txt file: subdi 744 Fixing typo in tests/CMakeList.txt file: subdirecotry()
856 instead of add_subdirectory() 745 instead of add_subdirectory()
857 746
858 Nov 2, 2015 J.Apostolakis - field 747 Nov 2, 2015 J.Apostolakis - field-V10-01-15 (fixed)
859 Oct 22, 2015 J.Apostolakis - field 748 Oct 22, 2015 J.Apostolakis - field-V10-01-14
860 -------------------------- 749 --------------------------
861 - Reverted changes in G4FieldManager from tag 750 - Reverted changes in G4FieldManager from tags field-V10-01-05 to -07
862 inadvertently reintroduced in tag field-V10 751 inadvertently reintroduced in tag field-V10-01-13
863 (fixed in tag -15: committed new copy from 752 (fixed in tag -15: committed new copy from tag -04 'on top')
864 753
865 - Added explanation comment in G4MagHelicalSte 754 - Added explanation comment in G4MagHelicalSteper.
866 755
867 Oct 13, 2015 J.Apostolakis - field 756 Oct 13, 2015 J.Apostolakis - field-V10-01-13
868 -------------------------- 757 --------------------------
869 - G4ChordFinder::FindNextChord: Added check ag 758 - G4ChordFinder::FindNextChord: Added check against number of iterations,
870 to identify potential issue of lack of conve 759 to identify potential issue of lack of convergence.
871 - test: fixed testProElectricMagField.cc 760 - test: fixed testProElectricMagField.cc
872 761
873 - Note: tag-13 inadvertently reintroduced chan 762 - Note: tag-13 inadvertently reintroduced changes from tags field-V10-01-05 to -07
874 763
875 Jun 26, 2015 P.Gumplinger - field 764 Jun 26, 2015 P.Gumplinger - field-V10-01-12, 11
876 ------------------------- 765 -------------------------
877 - Include 'NumberOfVariables' in G4RepleteEofM 766 - Include 'NumberOfVariables' in G4RepleteEofM constructor argument list.
878 767
879 Jun 22, 2015 G.Cosmo - field 768 Jun 22, 2015 G.Cosmo - field-V10-01-10
880 -------------------- 769 --------------------
881 - Withdrawn also changes introduced in tag "fi 770 - Withdrawn also changes introduced in tag "field-V10-01-08", as
882 responsible for memory violation errors in V 771 responsible for memory violation errors in Valgrind.
883 Now corresponding to tag "field-V10-01-04". 772 Now corresponding to tag "field-V10-01-04".
884 773
885 Jun 18, 2015 G.Cosmo - field 774 Jun 18, 2015 G.Cosmo - field-V10-01-09
886 -------------------- 775 --------------------
887 - Withdrawn changes introduced from tag "field 776 - Withdrawn changes introduced from tag "field-V10-01-05" to tag
888 "field-V10-01-07" included, responsible for 777 "field-V10-01-07" included, responsible for failures on SLC6 and
889 run-time errors on Valgrind checks. 778 run-time errors on Valgrind checks.
890 779
891 Jun 10, 2015 P.Gumplinger - field 780 Jun 10, 2015 P.Gumplinger - field-V10-01-08
892 ------------------------- 781 -------------------------
893 - initialize all elements of dydx[] in G4Reple 782 - initialize all elements of dydx[] in G4RepleteEofM::EvaluateRhsGivenB
894 Thanks to Tatsuya Kikawa (Osaka Univ.) 783 Thanks to Tatsuya Kikawa (Osaka Univ.)
895 784
896 Jun 10, 2015 J.Apostolakis - field 785 Jun 10, 2015 J.Apostolakis - field-V10-01-07
897 -------------------------- 786 --------------------------
898 - G4FieldManager.cc : Made behaviour of SetDet 787 - G4FieldManager.cc : Made behaviour of SetDetector 'softer'. No
899 longer complains by default if ChordFinder 788 longer complains by default if ChordFinder is not (yet) set.
900 ( The default values of failMode = 0 i.e. 789 ( The default values of failMode = 0 i.e. quiet. )
901 If a chord-finder exists, it will still war 790 If a chord-finder exists, it will still warn for other errors.
902 791
903 It is still possible to have louder/extra c 792 It is still possible to have louder/extra checks done calling
904 SetDetectorField with failMode > 0 793 SetDetectorField with failMode > 0
905 or by using a new method, which expects an 794 or by using a new method, which expects an existing field:
906 ChangeDetectorField(G4Field *detectorFiel 795 ChangeDetectorField(G4Field *detectorField)
907 796
908 Jun 8, 2015 J.Apostolakis - field 797 Jun 8, 2015 J.Apostolakis - field-V10-01-05, (-06 fixed)
909 -------------------------- 798 --------------------------
910 - G4FieldManager.cc : Revised behaviour of Set 799 - G4FieldManager.cc : Revised behaviour of SetDetector - it now
911 passes the Field to the Equation, as is the 800 passes the Field to the Equation, as is the natural user expectation
912 The previous behaviour is possible, using e 801 The previous behaviour is possible, using extra argument 'failMode'
913 flag. Values: 0 = silent ; 802 flag. Values: 0 = silent ;
914 1 (default) = warning; 803 1 (default) = warning;
915 2 or other = fatal except 804 2 or other = fatal exception.
916 Or can use alternative (new) suggestion met 805 Or can use alternative (new) suggestion method ProposeDetectorField();
917 806
918 This change is to ensure that user expectat 807 This change is to ensure that user expectation is met:
919 if the field is changed for an existing, 808 if the field is changed for an existing, working stepper it must
920 be propagated to the equation of motion. 809 be propagated to the equation of motion.
921 Note: this causes potential conflict betwee 810 Note: this causes potential conflict between the type of the equation
922 and the field, which will need to be 811 and the field, which will need to be solved in the future.
923 812
924 Old behaviour (just set our own pointer) is 813 Old behaviour (just set our own pointer) is still available in new method:
925 ProposeDetectorField(G4Field *detectorFie 814 ProposeDetectorField(G4Field *detectorField)
926 815
927 Co-works and requires new tag in geometry/n 816 Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
928 817
929 Jun 4, 2015 P. Gumplinger - field 818 Jun 4, 2015 P. Gumplinger - field-V10-01-04
930 ------------------------- 819 -------------------------
931 - change assignment to field instead of Field 820 - change assignment to field instead of Field array in G4RepleteEofM.cc
932 821
933 Jan 28, 2015 J.Apostolakis - field 822 Jan 28, 2015 J.Apostolakis - field-V10-01-01 (-02,03 fixed)
934 -------------------------- 823 -------------------------- ( History )
935 - Revert unintended inclusion of changes in G4 824 - Revert unintended inclusion of changes in G4MagIntegratorDriver
936 825
937 Jan 15, 2015 J.Apostolakis - field 826 Jan 15, 2015 J.Apostolakis - field-V10-01-00
938 -------------------------- 827 --------------------------
939 - Small refinements in G4FieldTrack - access r 828 - Small refinements in G4FieldTrack - access rest mass, avoid div by 0
940 Avoid division by zero for Unit direction 829 Avoid division by zero for Unit direction in FieldTrack
941 Added method to get Rest Mass. 830 Added method to get Rest Mass.
942 Needed for fixes related to Problem report 1 831 Needed for fixes related to Problem report 1696.
943 Thanks to Nathan S. Froemming <nfroemm@uw.ed 832 Thanks to Nathan S. Froemming <nfroemm@uw.edu> who reported the issue
944 and created dedicated test to demonstrate i 833 and created dedicated test to demonstrate it.
945 834
946 Nov 03, 2014 G.Cosmo - field 835 Nov 03, 2014 G.Cosmo - field-V10-00-04
947 -------------------- 836 --------------------
948 - Moved constructors and simple methods to in 837 - Moved constructors and simple methods to in line in G4ChargeState and
949 G4LineSection for CPU speedup (courtesy of S 838 G4LineSection for CPU speedup (courtesy of S.Wenzel).
950 839
951 May 21, 2014 J.Apostolakis - field 840 May 21, 2014 J.Apostolakis - field-V10-00-03
952 -------------------------- 841 --------------------------
953 - G4FieldTrack: 842 - G4FieldTrack:
954 * Fixed SetChargeAndMoments() to use the new 843 * Fixed SetChargeAndMoments() to use the new method
955 G4ChargeState::SetChargesAndMoments(); it 844 G4ChargeState::SetChargesAndMoments(); it was changing spin, because of
956 erroneous change in G4ChargeState::SetChar 845 erroneous change in G4ChargeState::SetChargesAndMoments(), that method
957 is now renamed SetChargeSpinMoments() to s 846 is now renamed SetChargeSpinMoments() to show what it does;
958 * Added pdg-spin as argument to constructors 847 * Added pdg-spin as argument to constructors (needed to track polarization);
959 * Renamed 'spin' to 'Polarization' in method 848 * Renamed 'spin' to 'Polarization' in method, arguments, data member to
960 avoid confusion; 849 avoid confusion;
961 * Revised constructors to add pdg-spin as la 850 * Revised constructors to add pdg-spin as last argument (with default -1).
962 - G4ChargeState: 851 - G4ChargeState:
963 - Addressed Coverity issue #56281 'Arguments 852 - Addressed Coverity issue #56281 'Arguments in wrong order'
964 G4ChargeState::SetChargeMoments() when use 853 G4ChargeState::SetChargeMoments() when used in
965 G4FieldTrack::SetChargeMoments() from addi 854 G4FieldTrack::SetChargeMoments() from addition of spin to arguments,
966 without revising name of method to reflect 855 without revising name of method to reflect it;
967 - Changed order of arguments in constructor, 856 - Changed order of arguments in constructor, making spin 3rd argument
968 (was 2nd) and making all arguments mandato 857 (was 2nd) and making all arguments mandatory;
969 - Renamed SetChargeAndMoments() method with 858 - Renamed SetChargeAndMoments() method with 5 arguments including spin (2nd)
970 to SetChargeSpinMoments(); 859 to SetChargeSpinMoments();
971 - Added new methods including SetChargesAndM 860 - Added new methods including SetChargesAndMoments(), SetChargeMdm(),
972 SetChargeDipoleMoments() (no spin), and al 861 SetChargeDipoleMoments() (no spin), and also SetChargeSpin(),
973 SetChargeMdmSpin() (which includes spin) t 862 SetChargeMdmSpin() (which includes spin) to provide most/all potential
974 combinations. 863 combinations.
975 - G4MagIntegratorDriver::OneGoodStep(): 864 - G4MagIntegratorDriver::OneGoodStep():
976 * Trial changes to address Valgrind issue, a 865 * Trial changes to address Valgrind issue, about value used before being set.
977 866
978 Apr 01, 2014 J.Apostolakis - fi 867 Apr 01, 2014 J.Apostolakis - field-V10-00-02
979 -------------------------- 868 --------------------------
980 - Moved G4FieldTrack::LoadFromArray() to .cc a 869 - Moved G4FieldTrack::LoadFromArray() to .cc and removed non-necessary
981 thread-local static data local to the functi 870 thread-local static data local to the function.
982 871
983 Mar 14, 2014 J.Apostolakis - fi 872 Mar 14, 2014 J.Apostolakis - field-V10-00-01
984 -------------------------- 873 --------------------------
985 - Fix assignment operator for G4FieldTrack. (C 874 - Fix assignment operator for G4FieldTrack. (Copied Rest Mass)
986 - Improve printing of G4FieldTrack 875 - Improve printing of G4FieldTrack
987 876
988 Jan 17, 2014 P.Gumplinger - fi 877 Jan 17, 2014 P.Gumplinger - field-V10-00-00
989 ------------------------- 878 -------------------------
990 - add G4Mag_EqRhs::SetChargeMomentumMass( part 879 - add G4Mag_EqRhs::SetChargeMomentumMass( particleCharge, MomentumXc, mass)
991 to G4Mag_SpinEqRhs::SetChargeMomentumMass, s 880 to G4Mag_SpinEqRhs::SetChargeMomentumMass, see bug reported at:
992 http://hypernews.slac.stanford.edu/HyperNews 881 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/210.html
993 882
994 Nov 18, 2013 P.Gumplinger - fi 883 Nov 18, 2013 P.Gumplinger - field-V09-06-13/12
995 ------------------------- 884 -------------------------
996 - fix Coverity warning in G4RepleteEofM 885 - fix Coverity warning in G4RepleteEofM
997 886
998 Nov 17, 2013 J.Apostolakis 887 Nov 17, 2013 J.Apostolakis
999 -------------------------- 888 --------------------------
1000 - Fixed and improved HelixMixed Stepper: 889 - Fixed and improved HelixMixed Stepper:
1001 Corrected the default stepper for small s 890 Corrected the default stepper for small steps to be ClassicalRK4.
1002 Added Angle-threshold parameter. (Default 891 Added Angle-threshold parameter. (Default remains 0.33 radians.)
1003 Added more Steppers, including G4NystromR 892 Added more Steppers, including G4NystromRK4.
1004 Revised Id numbers of Steppers, to make t 893 Revised Id numbers of Steppers, to make the best more visible.
1005 More comments in Stepper(). 894 More comments in Stepper().
1006 895
1007 Nov 05, 2013 P.Gumplinger - f 896 Nov 05, 2013 P.Gumplinger - field-V09-06-11
1008 ------------------------- 897 -------------------------
1009 - remove writing out-of-bounds dydx[8] = 0. i 898 - remove writing out-of-bounds dydx[8] = 0. in G4RepleteEofM.cc
1010 899
1011 Nov 04, 2013 P.Gumplinger - f 900 Nov 04, 2013 P.Gumplinger - field-V09-06-10
1012 ------------------------- 901 -------------------------
1013 - add G4RepleteEofM to sources.cmake 902 - add G4RepleteEofM to sources.cmake
1014 f 903 field-V09-06-09 - same as
1015 Nov 01st, 2013 P.Gumplinger - f 904 Nov 01st, 2013 P.Gumplinger - field-V09-06-08
1016 --------------------------- 905 ---------------------------
1017 - add G4RepleteEofM: EofM that includes force 906 - add G4RepleteEofM: EofM that includes force due to B, E, and gravity field
1018 as well as mu*grad(B) and spin tracking. 907 as well as mu*grad(B) and spin tracking.
1019 908
1020 May 10th, 2013 P.Gumplinger/J.Apostolakis - f 909 May 10th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-07
1021 ----------------------------------------- 910 -----------------------------------------
1022 - Revised number of field components (to allo 911 - Revised number of field components (to allow up to 24).
1023 18 are required for new applications (B, E 912 18 are required for new applications (B, E, Gravity, B-gradients)
1024 - Fixes for initialisation errors found by Co 913 - Fixes for initialisation errors found by Coverity.
1025 914
1026 May 10th, 2013 P.Gumplinger - field-V09-06-06 915 May 10th, 2013 P.Gumplinger - field-V09-06-06
1027 --------------------------- 916 ---------------------------
1028 - prevent divided by zero and shortcut spin t 917 - prevent divided by zero and shortcut spin tracking for spin == 0
1029 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldW 918 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc and
1030 G4EqEMFieldWithEDM.cc 919 G4EqEMFieldWithEDM.cc
1031 f 920 field-V09-06-05 - same
1032 May 8th, 2013 P.Gumplinger/J.Apostolakis - f 921 May 8th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-04
1033 ----------------------------------------- 922 -----------------------------------------
1034 - Introduced new class G4ChargeState to hold 923 - Introduced new class G4ChargeState to hold charge, spin, magnetic moment
1035 (promoted from internal class of G4Field 924 (promoted from internal class of G4FieldTrack).
1036 - Changed the signature of EquationOfMotion:: 925 - Changed the signature of EquationOfMotion::SetChargeMomentumMass to
1037 take G4ChargeState in place of G4double (cha 926 take G4ChargeState in place of G4double (charge) as first argument.
1038 - Deleted SetChargeMomentumMass from G4ChordF 927 - Deleted SetChargeMomentumMass from G4ChordFinder, G4PropagatorInField,
1039 G4MagInt_Driver 928 G4MagInt_Driver
1040 929
1041 - Migrated testPropagateMagField and testProp 930 - Migrated testPropagateMagField and testPropagateSpin.
1042 931
1043 March 19th, 2013 G.Cosmo - field-V09-06-03, f 932 March 19th, 2013 G.Cosmo - field-V09-06-03, field-V09-06-02
1044 ------------------------- 933 -------------------------
1045 - Cleanup of MT changes in G4FieldManagerStor 934 - Cleanup of MT changes in G4FieldManagerStore.
1046 935
1047 February 26th, 2013 A.Dotti - field-V09-06-01 936 February 26th, 2013 A.Dotti - field-V09-06-01
1048 --------------------------- 937 ---------------------------
1049 - First implementation of Cloning mechanism ( 938 - First implementation of Cloning mechanism (needed for MT)
1050 939
1051 February 22nd, 2013 G.Cosmo - field-V09-06-00 940 February 22nd, 2013 G.Cosmo - field-V09-06-00
1052 --------------------------- 941 ---------------------------
1053 - Cleanup of unnecessary changes for multi-th 942 - Cleanup of unnecessary changes for multi-threading in G4QuadrupoleMagField.
1054 - Removed unused private data-members in G4Ma 943 - Removed unused private data-members in G4Mag_UsualEqRhs and G4RKG3_Stepper.
1055 944
1056 November 14th, 2012 P.Mato - field-V09-05-07 945 November 14th, 2012 P.Mato - field-V09-05-07
1057 -------------------------- 946 --------------------------
1058 - G4QuadrupoleMagField: allow displaced origi 947 - G4QuadrupoleMagField: allow displaced origin and rotation (Björn Riese)
1059 - Added G4SystemOfUnits.hh in unit tests 948 - Added G4SystemOfUnits.hh in unit tests
1060 949
1061 August 30th, 2012 P.Mato - field-V09-05-06 950 August 30th, 2012 P.Mato - field-V09-05-06
1062 ------------------------ 951 ------------------------
1063 - Adapted CMakeLists.txt files to new unit te 952 - Adapted CMakeLists.txt files to new unit tests
1064 953
1065 June 11th, 2012 G.Cosmo - field-V09-05-05 954 June 11th, 2012 G.Cosmo - field-V09-05-05
1066 ----------------------- 955 -----------------------
1067 - Explicitly use inclusion of headers for sys 956 - Explicitly use inclusion of headers for system of units and physical
1068 constants, in plan to remove implicit inclu 957 constants, in plan to remove implicit inclusion from globals.hh.
1069 958
1070 May 14th, 2012 G.Cosmo - field-V09-05-04 959 May 14th, 2012 G.Cosmo - field-V09-05-04
1071 ---------------------- 960 ----------------------
1072 - Fixed spurious case of hidden variable visi 961 - Fixed spurious case of hidden variable visibility in G4NystromRK4,
1073 detected with '-Wshadow' compilation option 962 detected with '-Wshadow' compilation option on gcc compiler.
1074 963
1075 February 3rd, 2012 J.Apostolakis - field-V09 964 February 3rd, 2012 J.Apostolakis - field-V09-05-03
1076 --------------------------------- 965 ---------------------------------
1077 - G4FieldTrack: 966 - G4FieldTrack:
1078 Added new (inline) method to set the Rest 967 Added new (inline) method to set the Rest Mass. Needed in order to
1079 reset this - and keep reuse the same G 968 reset this - and keep reuse the same G4FieldTrack in a client
1080 (across tracks.) 969 (across tracks.)
1081 Made SetCurvePnt() method private. 970 Made SetCurvePnt() method private.
1082 Simplified implementation of constructors 971 Simplified implementation of constructors. Gain of 1 square root and
1083 1 division per call. 972 1 division per call.
1084 973
1085 February 3rd, 2012 G.Cosmo - field-V09-05-0 974 February 3rd, 2012 G.Cosmo - field-V09-05-02
1086 ---------------------------- 975 ----------------------------
1087 - Removed tests in CMakeLists.txt causing cat 976 - Removed tests in CMakeLists.txt causing catastrophic failure in system
1088 testing! 977 testing!
1089 978
1090 February 2nd, 2012 J.Apostolakis - field-V0 979 February 2nd, 2012 J.Apostolakis - field-V09-05-01
1091 ---------------------------------- 980 ----------------------------------
1092 - G4Mag_UsualEqRhs: in SetChargeMomentumMass( 981 - G4Mag_UsualEqRhs: in SetChargeMomentumMass() method, fixed problem with
1093 division by zero; stopped updating 'fInvCur 982 division by zero; stopped updating 'fInvCurrentMomentumXc' (data member
1094 is obsolete). 983 is obsolete).
1095 - Added tests in CMakeLists.txt 984 - Added tests in CMakeLists.txt
1096 985
1097 December 13th, 2011 G.Cosmo - field-V09-05-0 986 December 13th, 2011 G.Cosmo - field-V09-05-00
1098 ---------------------------- 987 ----------------------------
1099 - Fixed Coverity defects in G4SimpleRunge (re 988 - Fixed Coverity defects in G4SimpleRunge (removed spurious pointer
1100 data member) and G4FieldTrack (missing G4Ch 989 data member) and G4FieldTrack (missing G4ChargeState::operator=()).
1101 - Synchronised unit tests to trunk (new test 990 - Synchronised unit tests to trunk (new test field07 and minor updates).
1102 991
1103 November 11th, 2011 J.Apostolakis - field-V0 992 November 11th, 2011 J.Apostolakis - field-V09-04-06
1104 ---------------------------------- 993 ----------------------------------
1105 - Added G4Field.cc to list of files in source 994 - Added G4Field.cc to list of files in sources.cmake
1106 995
1107 November 4th, 2011 J.Apostolakis - field-V0 996 November 4th, 2011 J.Apostolakis - field-V09-04-05
1108 ---------------------------------- 997 ----------------------------------
1109 - G4Field: revised to improve ability to dete 998 - G4Field: revised to improve ability to detect gravity field:
1110 Added new data member to identify gravity f 999 Added new data member to identify gravity field;
1111 Added new method IsGravityActive() to acces 1000 Added new method IsGravityActive() to access this data member;
1112 Created new source file: moving constructor 1001 Created new source file: moving constructors to it.
1113 - Changed G4UniformGravityField and G4Electro 1002 - Changed G4UniformGravityField and G4ElectroMagneticField
1114 to accomodate this refinement. 1003 to accomodate this refinement.
1115 1004
1116 November 2nd, 2011 P.Gumplinger - field-V09- 1005 November 2nd, 2011 P.Gumplinger - field-V09-04-04
1117 -------------------------------- 1006 --------------------------------
1118 - update list of files in sources.cmake 1007 - update list of files in sources.cmake
1119 1008
1120 October 28th, 2011 P.Gumplinger - field-V09- 1009 October 28th, 2011 P.Gumplinger - field-V09-04-03
1121 -------------------------------- 1010 --------------------------------
1122 - Added (uniform) gravity field capability. 1011 - Added (uniform) gravity field capability.
1123 New classes G4EqGravityField, G4UniformGrav 1012 New classes G4EqGravityField, G4UniformGravityField.
1124 1013
1125 *Required* for co-working tag in Transporta 1014 *Required* for co-working tag in Transportation
1126 1015
1127 October 12th, 2011 P.Gumplinger - field-V09- 1016 October 12th, 2011 P.Gumplinger - field-V09-04-02
1128 -------------------------------- 1017 --------------------------------
1129 - replaced: omegac = 0.105658387*GeV/mass * 2 1018 - replaced: omegac = 0.105658387*GeV/mass * 2.837374841e-3*(rad/cm/kilogauss)
1130 with: omegac = (eplus/particleMass)*c_l 1019 with: omegac = (eplus/particleMass)*c_light
1131 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.c 1020 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc
1132 changed calculation: 1021 changed calculation:
1133 std::sqrt(kineticEnergy*kineticEnergy + 1022 std::sqrt(kineticEnergy*kineticEnergy + 2.0*restMass_c2*kineticEnergy);
1134 to: 1023 to:
1135 std::sqrt(kineticEnergy*(kineticEnergy+2 1024 std::sqrt(kineticEnergy*(kineticEnergy+2.0*restMass_c2))
1136 in G4FieldTrack.cc 1025 in G4FieldTrack.cc
1137 1026
1138 August 11th, 2011 G.Cosmo - field-V09-04-01 1027 August 11th, 2011 G.Cosmo - field-V09-04-01
1139 -------------------------- 1028 --------------------------
1140 - Migrated to new G4Exception scheme for warn 1029 - Migrated to new G4Exception scheme for warnings and errors.
1141 - Defined scheme for warnings/errors coding: 1030 - Defined scheme for warnings/errors coding:
1142 + 1xxx for warnings, 0xxx for errors. 1031 + 1xxx for warnings, 0xxx for errors.
1143 Code numbering: 1032 Code numbering:
1144 + 0001: not supported or implemented featur 1033 + 0001: not supported or implemented features;
1145 + 0002: invalid setup/construct; 1034 + 0002: invalid setup/construct;
1146 + 0003: invalid run condition; 1035 + 0003: invalid run condition;
1147 + 1001: incorrect setup; automatically adap 1036 + 1001: incorrect setup; automatically adapted.
1148 + 1002: notification. 1037 + 1002: notification.
1149 1038
1150 May 13th, 2011 J.Apostolakis 1039 May 13th, 2011 J.Apostolakis
1151 ---------------------------- 1040 ----------------------------
1152 - Added new class G4TrialsCounter for keeping 1041 - Added new class G4TrialsCounter for keeping statistics of trials.
1153 - Avoid printing out pointer in G4CachedMagne 1042 - Avoid printing out pointer in G4CachedMagneticField::ReportStatistics().
1154 - Updated unit tests. 1043 - Updated unit tests.
1155 1044
1156 May 12th, 2011 G.Cosmo - field-V09-04-00 1045 May 12th, 2011 G.Cosmo - field-V09-04-00
1157 ----------------------- 1046 -----------------------
1158 - Fixed compilation warnings from gcc-4.6.0 f 1047 - Fixed compilation warnings from gcc-4.6.0 for variables set but not used.
1159 1048
1160 May 5th, 2011 J.Apostolakis 1049 May 5th, 2011 J.Apostolakis
1161 ---------------------------- 1050 ----------------------------
1162 - Reordered data members to group invariants, 1051 - Reordered data members to group invariants, field parameters, etc...
1163 1052
1164 Sep 10th, 2010 J.Apostolakis - field-V09-03- 1053 Sep 10th, 2010 J.Apostolakis - field-V09-03-03
1165 ----------------------------- 1054 -----------------------------
1166 - Revised constructor of G4MagErrorStepper to 1055 - Revised constructor of G4MagErrorStepper to add number of State variables
1167 - Corrected MagErrorStepper to copy State Var 1056 - Corrected MagErrorStepper to copy State Variable to output
1168 - Enable G4ConstRK4 to copy remaining State V 1057 - Enable G4ConstRK4 to copy remaining State Variables (must integrate 6)
1169 1058
1170 Sep 10th, 2010 J.Apostolakis - field-V09-03- 1059 Sep 10th, 2010 J.Apostolakis - field-V09-03-02
1171 ----------------------------- 1060 -----------------------------
1172 - New class G4MonopoleEq for rhs of d(pc)/ds 1061 - New class G4MonopoleEq for rhs of d(pc)/ds propagation in field
1173 in SI units (V.Grichine). 1062 in SI units (V.Grichine).
1174 - Fixed passing of time in G4NystromRK4 1063 - Fixed passing of time in G4NystromRK4
1175 1064
1176 Jul 21st, 2010 T.Nikitina - field-V09-03-01 1065 Jul 21st, 2010 T.Nikitina - field-V09-03-01
1177 -------------------------- 1066 --------------------------
1178 - Fixed cases of memory corruption in G4RKG3_ 1067 - Fixed cases of memory corruption in G4RKG3_Stepper.
1179 - Fixed case of unused array data member in G 1068 - Fixed case of unused array data member in G4ExactHelixStepper.
1180 - Removed useless code never executed in G4Co 1069 - Removed useless code never executed in G4ConstRK4::Stepper().
1181 - Fixed initialization in G4NystromRK4 constr 1070 - Fixed initialization in G4NystromRK4 constructor.
1182 1071
1183 Jul 14th, 2010 G.Cosmo - field-V09-03-00 1072 Jul 14th, 2010 G.Cosmo - field-V09-03-00
1184 ----------------------- 1073 -----------------------
1185 - Added dummy initialization of members in co 1074 - Added dummy initialization of members in constructors for G4CashKarpRKF45,
1186 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMField 1075 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMFieldWithSpin, G4ExactHelixStepper,
1187 G4FieldTrack, G4MagHelicalStepper, G4MagInt 1076 G4FieldTrack, G4MagHelicalStepper, G4MagInt_Driver, G4Mag_EqRhs,
1188 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4Nystro 1077 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4NystromRK4, G4RKG3_Stepper,
1189 G4UniformElectricField, G4UniformElectricFi 1078 G4UniformElectricField, G4UniformElectricField.
1190 1079
1191 Nov 12th, 2009 J.Apostolakis - field-V09-02- 1080 Nov 12th, 2009 J.Apostolakis - field-V09-02-09
1192 ----------------------------- 1081 -----------------------------
1193 - G4MagIntegratorDriver: activate check on i 1082 - G4MagIntegratorDriver: activate check on integration error for spin.
1194 1083
1195 Nov 12th, 2009 J.Apostolakis - field-V09-02- 1084 Nov 12th, 2009 J.Apostolakis - field-V09-02-08
1196 ----------------------------- (fix only) 1085 ----------------------------- (fix only)
1197 - G4Nystrom: Corrected interface method getF 1086 - G4Nystrom: Corrected interface method getField: array now has explicit dimension[4]
1198 (Problem found by gcc 4.3 - i 1087 (Problem found by gcc 4.3 - it checked indices used in inline method! )
1199 1088
1200 Nov 6th, 2009 P.Gumplinger - field-V09-02-07 1089 Nov 6th, 2009 P.Gumplinger - field-V09-02-07
1201 --------------------------- 1090 ---------------------------
1202 - bug fix in G4EqEMFieldWithSpin and G4EqEMFi 1091 - bug fix in G4EqEMFieldWithSpin and G4EqEMFieldWithEDM
1203 thanks to Hiromi Iinuma (KEK) see: 1092 thanks to Hiromi Iinuma (KEK) see:
1204 http://hypernews.slac.stanford.edu/HyperNew 1093 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/161.html
1205 1094
1206 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1095 Nov 5th, 2009 J.Apostolakis - field-V09-02-06
1207 ---------------------------- 1096 ----------------------------
1208 - G4MagIntegratorDriver.cc : Enabled call to 1097 - G4MagIntegratorDriver.cc : Enabled call to ComputeRightHandSide
1209 - G4NystromRK4.cc : Disabled auxilia 1098 - G4NystromRK4.cc : Disabled auxiliary code in Stepper (needed if
1210 ComputeRightHan 1099 ComputeRightHandSide is not called.)
1211 1100
1212 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1101 Nov 5th, 2009 J.Apostolakis - field-V09-02-05
1213 ---------------------------- 1102 ----------------------------
1214 - Added new virtual method CalculateRightHand 1103 - Added new virtual method CalculateRightHandSide to G4MagIntegratorStepper for use
1215 in caching momentum (and field value) b 1104 in caching momentum (and field value) by G4NystromRK4
1216 Default implementation in G4MagIntegrat 1105 Default implementation in G4MagIntegratorStepper calls RightHandSide inline method.
1217 - G4Nystrom: New Set/Get method for cache di 1106 - G4Nystrom: New Set/Get method for cache distance.
1218 Changed private data members in 1107 Changed private data members in G4NystromRK4.
1219 - G4MagIntegratorDriver: alternative call to 1108 - G4MagIntegratorDriver: alternative call to ComputeRightHandSide is not used (in comment)
1220 As a result G4NystromRK4 operat 1109 As a result G4NystromRK4 operates without reusing
1221 1110
1222 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1111 Nov 5th, 2009 J.Apostolakis - field-V09-02-04
1223 ---------------------------- 1112 ----------------------------
1224 - G4CachedMagneticField: New Simple class to 1113 - G4CachedMagneticField: New Simple class to cache value of Magnetic Field.
1225 Speeds up code when calculation of field 1114 Speeds up code when calculation of field value is complex.
1226 - G4NystromRK4 : New Stepper with Nys 1115 - G4NystromRK4 : New Stepper with Nystrom for magnetic field
1227 with analytic estimation of integration 1116 with analytic estimation of integration error.
1228 Greatly reduces number of field value pe 1117 Greatly reduces number of field value per step.
1229 - Revised testPropagateMagField to use Cached 1118 - Revised testPropagateMagField to use Cached Quadrupole field,
1230 and to cover G4NystromRK4 and G4ConstRK4 1119 and to cover G4NystromRK4 and G4ConstRK4.
1231 1120
1232 Nov 4th, 2009 P.Gumplinger - field-V09-02-03 1121 Nov 4th, 2009 P.Gumplinger - field-V09-02-03
1233 --------------------------- 1122 ---------------------------
1234 - (minor change) remove comment from G4EqEMFi 1123 - (minor change) remove comment from G4EqEMFieldWithSpin.cc
1235 add G4EqEMFieldWithEDM class: this is the R 1124 add G4EqEMFieldWithEDM class: this is the RHS of EofM in a combined
1236 electric and magnetic field, with spin trac 1125 electric and magnetic field, with spin tracking for both MDM and EDM terms.
1237 Thanks to Kevin Lynch, Phys. Dept. at Bosto 1126 Thanks to Kevin Lynch, Phys. Dept. at Boston University.
1238 1127
1239 May 18th, 2009 T.Nikitina - field-V09-02-02 1128 May 18th, 2009 T.Nikitina - field-V09-02-02
1240 ------------------------- 1129 -------------------------
1241 - Enhanced algorithm G4ChordFinder::ApproxCur 1130 - Enhanced algorithm G4ChordFinder::ApproxCurvePointS() in order to speedup
1242 BrentLocator. 1131 BrentLocator.
1243 1132
1244 March 25th, 2009 G.Cosmo - field-V09-02-01 1133 March 25th, 2009 G.Cosmo - field-V09-02-01
1245 ------------------------ 1134 ------------------------
1246 - Some code cleanup and formatting... 1135 - Some code cleanup and formatting...
1247 1136
1248 March 6th, 2009 P.Gumplinger - field-V09-02-0 1137 March 6th, 2009 P.Gumplinger - field-V09-02-00
1249 ---------------------------- 1138 ----------------------------
1250 - Added 3rd term of BMT equation (Spin x Beta 1139 - Added 3rd term of BMT equation (Spin x Beta x Efield) to G4EqEMFieldWithSpin,
1251 addresses emfields forum posting #155 (bug 1140 addresses emfields forum posting #155 (bug report). Thanks to Kevin Lynch,
1252 Phys. Dept. at Boston University. 1141 Phys. Dept. at Boston University.
1253 - Moved renormalization of spin from G4EqEMFi 1142 - Moved renormalization of spin from G4EqEMFieldWithSpin and G4Mag_SpinEqRhs to
1254 G4ClassicalRK4 and G4SimpleHeum. 1143 G4ClassicalRK4 and G4SimpleHeum.
1255 - Added Spin propagation errors to the criter 1144 - Added Spin propagation errors to the criteria for 'OneGoodStep' in
1256 G4MagIntegratorDriver but actually don't ad 1145 G4MagIntegratorDriver but actually don't add it (yet) to the decision logic.
1257 1146
1258 November, 19th, 2008 P.Gumplinger - field-V0 1147 November, 19th, 2008 P.Gumplinger - field-V09-01-05
1259 ---------------------------------- 1148 ----------------------------------
1260 - Renormalized the spin to 1 in G4EqEMFieldWi 1149 - Renormalized the spin to 1 in G4EqEMFieldWithSpin and G4Mag_SpinEqRhs.
1261 1150
1262 November, 7th, 2008 P.Gumplinger - field-V0 1151 November, 7th, 2008 P.Gumplinger - field-V09-01-04
1263 ---------------------------------- 1152 ----------------------------------
1264 - Added SetAnomaly() and GetAnomaly() accesso 1153 - Added SetAnomaly() and GetAnomaly() accessors to G4EqEMFieldWithSpin.
1265 1154
1266 October, 28th, 2008 T.Nikitina - field-V09- 1155 October, 28th, 2008 T.Nikitina - field-V09-01-03
1267 -------------------------------- 1156 --------------------------------
1268 - Added 'ApproxCurveV' to method G4ChordFinde 1157 - Added 'ApproxCurveV' to method G4ChordFinder::ApproxCurvePointS() in
1269 order to better calculate the curve length. 1158 order to better calculate the curve length.
1270 - Some code cleanup. 1159 - Some code cleanup.
1271 1160
1272 September, 18th, 2008 T.Nikitina 1161 September, 18th, 2008 T.Nikitina
1273 ---------------------------------- 1162 ----------------------------------
1274 - Added new stepper class G4ConstRK4, perform 1163 - Added new stepper class G4ConstRK4, performing integration of one step
1275 with error calculation in constant magnetic 1164 with error calculation in constant magnetic field; implementation derived
1276 from G4ClassicalRK4. 1165 from G4ClassicalRK4.
1277 1166
1278 July, 15th, 2008 J.Apostolakis - field-V09- 1167 July, 15th, 2008 J.Apostolakis - field-V09-01-02
1279 -------------------------------- 1168 --------------------------------
1280 - Revised signature of G4ChordFinder::FinderN 1169 - Revised signature of G4ChordFinder::FinderNextChord(), making 'FieldTrack'
1281 argument passed a reference. 1170 argument passed a reference.
1282 1171
1283 May, 28th, 2008 T.Nikitina 1172 May, 28th, 2008 T.Nikitina
1284 ---------------------------- 1173 ----------------------------
1285 - G4ChordFinder: added new method ApproxCurve 1174 - G4ChordFinder: added new method ApproxCurvePointS() using Brent second order
1286 location mechanism. 1175 location mechanism.
1287 1176
1288 April 24th, 2008 T.Nikitina - field-V09-01- 1177 April 24th, 2008 T.Nikitina - field-V09-01-01
1289 ----------------------------- 1178 -----------------------------
1290 - Fix 'unused' non-initialized values of dydx 1179 - Fix 'unused' non-initialized values of dydx in G4EqMagElectricField
1291 and G4EqEMFieldWithSpin. 1180 and G4EqEMFieldWithSpin.
1292 1181
1293 January 17th, 2008 G.Cosmo - field-V09-01-0 1182 January 17th, 2008 G.Cosmo - field-V09-01-00
1294 ---------------------------- 1183 ----------------------------
1295 - G4CashKarpRKF45: deleted un-needed duplicat 1184 - G4CashKarpRKF45: deleted un-needed duplicate (and unused) instance variable
1296 'fNumberOfVariables', already defined in G4M 1185 'fNumberOfVariables', already defined in G4MagIntegratorStepper. (J.Ap.)
1297 - Some code cleanup. 1186 - Some code cleanup.
1298 1187
1299 December 7th, 2007 J.Apostolakis & T.Nikiti 1188 December 7th, 2007 J.Apostolakis & T.Nikitina - field-V09-00-03
1300 --------------------------------------------- 1189 -----------------------------------------------
1301 - New class G4FieldManagerStore. It enables r 1190 - New class G4FieldManagerStore. It enables resetting of all chord
1302 finders' state. Needed to address problem r 1191 finders' state. Needed to address problem reported by user.
1303 1192
1304 September 9th, 2007 G.Cosmo - field-V09-00-0 1193 September 9th, 2007 G.Cosmo - field-V09-00-02a
1305 ---------------------------- 1194 ----------------------------
1306 - Some code cleanup in G4MagHelicalStepper.cc 1195 - Some code cleanup in G4MagHelicalStepper.cc.
1307 1196
1308 August 30th, 2007 P.Gumplinger - field-V09 1197 August 30th, 2007 P.Gumplinger - field-V09-00-02
1309 --------------------------------- 1198 ---------------------------------
1310 - Add G4EqEMFieldWithSpin class to allow trac 1199 - Add G4EqEMFieldWithSpin class to allow tracking of spin also in
1311 G4ElectroMagneticFields 1200 G4ElectroMagneticFields
1312 1201
1313 August 21st, 2007 T.Nikitina - field-V09-0 1202 August 21st, 2007 T.Nikitina - field-V09-00-01
1314 ------------------------------- 1203 -------------------------------
1315 - Fix to DistChord() method for Helical Stepp 1204 - Fix to DistChord() method for Helical Steppers: adopt 'special' case
1316 also for Ang<2pi not only for Ang<pi; use c 1205 also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
1317 improve CPU performance. 1206 improve CPU performance.
1318 - Improved AdvanceHelix() to be able to make 1207 - Improved AdvanceHelix() to be able to make half step and full step
1319 in one call. 1208 in one call.
1320 - In G4HelixMixedStepper added possibility to 1209 - In G4HelixMixedStepper added possibility to call different steppers for
1321 small steps and add some statistics how off 1210 small steps and add some statistics how offen different steppers are called.
1322 - G4RKG3_Stepper: improved internal algorithm 1211 - G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
1323 the stepper now gives comparable CPU perfor 1212 the stepper now gives comparable CPU performance as ClassicalRK4.
1324 - Updated unit tests. 1213 - Updated unit tests.
1325 1214
1326 August 17th, 2007 G.Cosmo - field-V09-00-0 1215 August 17th, 2007 G.Cosmo - field-V09-00-00
1327 ---------------------------- 1216 ----------------------------
1328 - Changed FatalException to EventMustBeAborte 1217 - Changed FatalException to EventMustBeAborted in AccurateAdvance()
1329 if proposed integration step is negative. 1218 if proposed integration step is negative.
1330 1219
1331 June 8th, 2007 T.Nikitina - field-V08-03-0 1220 June 8th, 2007 T.Nikitina - field-V08-03-03
1332 ---------------------------- 1221 ----------------------------
1333 - Relaxed FatalException to Warning in G4MagI 1222 - Relaxed FatalException to Warning in G4MagIntegratorDriver::AccurateAdvance()
1334 for case of step zero and return previous v 1223 for case of step zero and return previous value. This fixes problem
1335 observed by ATLAS in release 8.3 when requi 1224 observed by ATLAS in release 8.3 when requiring very accurate propagation
1336 -- ie using very small values for acceptabl 1225 -- ie using very small values for acceptable integration error.
1337 1226
1338 May 18th, 2007 T.Nikitina - field-V08-03-0 1227 May 18th, 2007 T.Nikitina - field-V08-03-02
1339 ---------------------------- 1228 ----------------------------
1340 - New class G4HelixMixedStepper, mixing helic 1229 - New class G4HelixMixedStepper, mixing helical stepper and RK
1341 G4MagHelicalStepper 1230 G4MagHelicalStepper
1342 - Keep values of inverse Radius, .. 1231 - Keep values of inverse Radius, ..
1343 - New calculation of DistChord for SteppingAn 1232 - New calculation of DistChord for SteppingAngle > pi
1344 G4RKG3Stepper 1233 G4RKG3Stepper
1345 - New calculation of DistChord for SteppingAn 1234 - New calculation of DistChord for SteppingAngle > pi
1346 1235
1347 May 16th, 2007 G.Cosmo - field-V08-03-01 1236 May 16th, 2007 G.Cosmo - field-V08-03-01
1348 ------------------------- 1237 -------------------------
1349 - Introduced new class G4ErrorMag_UsualEqRhs 1238 - Introduced new class G4ErrorMag_UsualEqRhs used to reverse the magnetic
1350 field when propagation is backwards for err 1239 field when propagation is backwards for error propagation (by P.Arce).
1351 - Coworks with tag "global-V08-03-02". 1240 - Coworks with tag "global-V08-03-02".
1352 1241
1353 May 11th, 2007 G.Cosmo - field-V08-03-00 1242 May 11th, 2007 G.Cosmo - field-V08-03-00
1354 ------------------------- 1243 -------------------------
1355 - Use call to G4GeometryTolerance instead of 1244 - Use call to G4GeometryTolerance instead of kCarTolerance constant in
1356 G4MagIntegratorDriver. 1245 G4MagIntegratorDriver.
1357 - Requires tag "global-V08-03-00" and related 1246 - Requires tag "global-V08-03-00" and related tag set.
1358 1247
1359 May 10th, 2007 J.Apostolakis - field-V08-0 1248 May 10th, 2007 J.Apostolakis - field-V08-02-01
1360 ------------------------------- 1249 -------------------------------
1361 - G4MagIntegratorDriver: 1250 - G4MagIntegratorDriver:
1362 * added protections against zero initial 1251 * added protections against zero initial or internal step h=0, (exceptions)
1363 * revised (re)calculation of h, and quit 1252 * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12)
1364 1253
1365 April 26th, 2007 T.Nikitina - field-V08-02-0 1254 April 26th, 2007 T.Nikitina - field-V08-02-00
1366 ---------------------------- 1255 ----------------------------
1367 - Corrected integration constants in G4MagHel 1256 - Corrected integration constants in G4MagHelicalStepper
1368 - Added implementation of G4RKG3_Stepper, ste 1257 - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
1369 - Updated NTST unit test. New unit test "fiel 1258 - Updated NTST unit test. New unit test "field06" for comparison of steppers.
1370 1259
1371 November 14th, 2006 J.Apostolakis - field-V0 1260 November 14th, 2006 J.Apostolakis - field-V08-01-02
1372 ---------------------------------- 1261 ----------------------------------
1373 - G4MagIntegratorDriver 1262 - G4MagIntegratorDriver
1374 * Made first argument of GetDerivatives a r 1263 * Made first argument of GetDerivatives a reference - avoid copy
1375 - G4MagIntegratorStepper 1264 - G4MagIntegratorStepper
1376 * Include the SetEquationOfMotion() method 1265 * Include the SetEquationOfMotion() method in G4MagIntegratorStepper
1377 (for Geant4e, as in field-V08-01-00) 1266 (for Geant4e, as in field-V08-01-00)
1378 * Update of disclaimers. 1267 * Update of disclaimers.
1379 1268
1380 November 13th, 2006 G.Cosmo - field-V08-01-0 1269 November 13th, 2006 G.Cosmo - field-V08-01-01
1381 ---------------------------- 1270 ----------------------------
1382 - G4FieldTrack: 1271 - G4FieldTrack:
1383 o Implemented missing definition for GetCha 1272 o Implemented missing definition for GetCharge().
1384 o Corrected 'const' qualifier for accessors 1273 o Corrected 'const' qualifier for accessors in the subclass.
1385 o Cleanup ... 1274 o Cleanup ...
1386 - NOTE: this tag is NOT including the change 1275 - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
1387 1276
1388 June 21st, 2006 J.Apostolakis - field-V08-01 1277 June 21st, 2006 J.Apostolakis - field-V08-01-00
1389 ------------------------------ 1278 ------------------------------
1390 - Including the SetEquationOfMotion() method 1279 - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
1391 1280
1392 June 22nd, 2006 J.Apostolakis - field-V08-00 1281 June 22nd, 2006 J.Apostolakis - field-V08-00-07
1393 ----------------------------- 1282 -----------------------------
1394 - G4ExactHelixStepper: reintroduced corrected 1283 - G4ExactHelixStepper: reintroduced corrected class
1395 --> testPropagateMagField now tests it al 1284 --> testPropagateMagField now tests it also (added)
1396 - G4MagHelicalStepper: made Stepper virtual ( 1285 - G4MagHelicalStepper: made Stepper virtual (for now)
1397 to enable G4ExactHelixStepper to 1286 to enable G4ExactHelixStepper to override it
1398 1287
1399 June 21st, 2006 J.Apostolakis - field-V08-00 1288 June 21st, 2006 J.Apostolakis - field-V08-00-06
1400 ----------------------------- 1289 -----------------------------
1401 - G4ExactHelixStepper: taking out class 1290 - G4ExactHelixStepper: taking out class
1402 (provisional tag in case of difficulties w 1291 (provisional tag in case of difficulties with class, revisions)
1403 1292
1404 --- The field-V08-00-0x , x > 6, tags do not 1293 --- The field-V08-00-0x , x > 6, tags do not include the change below
1405 1294
1406 May 27th, 2006 J.Apostolakis - field-V08-00- 1295 May 27th, 2006 J.Apostolakis - field-V08-00-05
1407 ----------------------------- 1296 -----------------------------
1408 - G4FieldTrack: Fix for simple compilation er 1297 - G4FieldTrack: Fix for simple compilation error on Sun.
1409 1298
1410 May 23rd, 2006 J.Apostolakis - field-V08-00- 1299 May 23rd, 2006 J.Apostolakis - field-V08-00-04
1411 ----------------------------- 1300 -----------------------------
1412 - G4FieldTrack: Fix for memory leak for Charg 1301 - G4FieldTrack: Fix for memory leak for ChargeState
1413 Made G4ChargeState a data member (has an i 1302 Made G4ChargeState a data member (has an instance)
1414 1303
1415 May 18th, 2006 J.Apostolakis - field-V08-00- 1304 May 18th, 2006 J.Apostolakis - field-V08-00-03
1416 ----------------------------- 1305 -----------------------------
1417 - G4FieldTrack: Fix for issue with gcc 4.0 ( 1306 - G4FieldTrack: Fix for issue with gcc 4.0 (mac)
1418 1307
1419 May 16th, 2006 J.Apostolakis - field-V08-00- 1308 May 16th, 2006 J.Apostolakis - field-V08-00-02
1420 ----------------------------- 1309 -----------------------------
1421 - G4ExactHelixStepper 1310 - G4ExactHelixStepper
1422 Taken out alpha version - it was included 1311 Taken out alpha version - it was included in error
1423 1312
1424 May 11th, 2006 J.Apostolakis - field-V08-00- 1313 May 11th, 2006 J.Apostolakis - field-V08-00-01
1425 ----------------------------- 1314 -----------------------------
1426 - G4FieldTrack 1315 - G4FieldTrack
1427 Significant, provisional change: 1316 Significant, provisional change:
1428 * Added charge and moments to FieldTrack 1317 * Added charge and moments to FieldTrack
1429 (SetMethods, and pointer to embedde 1318 (SetMethods, and pointer to embedded class G4ChargeState)
1430 Technical revisions: 1319 Technical revisions:
1431 * New constructor, with charge and witho 1320 * New constructor, with charge and without velocity
1432 * New almost-default constructor (taking 1321 * New almost-default constructor (taking a character)
1433 Also: 1322 Also:
1434 * New constructor to take const referenc 1323 * New constructor to take const reference to Spin
1435 * New implementation method UpdateFourMo 1324 * New implementation method UpdateFourMomentum
1436 * Streaming operator takes const referen 1325 * Streaming operator takes const reference,
1437 and outputs momentum magnitude & dir 1326 and outputs momentum magnitude & direction magn.
1438 1327
1439 - G4ExactHelixStepper 1328 - G4ExactHelixStepper
1440 Included in error 1329 Included in error
1441 1330
1442 Apr 6th, 2006 J.Apostolakis - field-V08-00-0 1331 Apr 6th, 2006 J.Apostolakis - field-V08-00-00
1443 ---------------------------- 1332 ----------------------------
1444 - In G4FieldManager 1333 - In G4FieldManager
1445 Added missing const GetChordFinder() method 1334 Added missing const GetChordFinder() method -- Problem report #847
1446 Corrected description (at top of include fil 1335 Corrected description (at top of include file hh):
1447 - It is possible to set the field manager o 1336 - It is possible to set the field manager of a logical volume (since long)
1448 1337
1449 1338
1450 Nov 9th, 2005 G.Cosmo - field-V07-01-00 1339 Nov 9th, 2005 G.Cosmo - field-V07-01-00
1451 ---------------------- 1340 ----------------------
1452 - Archived source code of field01 unit test, 1341 - Archived source code of field01 unit test, now moved to examples/extended.
1453 - Migrated unit test NTST to use <sstream> an 1342 - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
1454 with G4VParticleChange new interface. 1343 with G4VParticleChange new interface.
1455 1344
1456 Dec 2nd, 2004 G.Cosmo - field-V06-02-02 1345 Dec 2nd, 2004 G.Cosmo - field-V06-02-02
1457 ---------------------- 1346 ----------------------
1458 - Implemented migration to <cmath> for standa 1347 - Implemented migration to <cmath> for standard mathematical functions.
1459 1348
1460 Dec 2nd, 2004 J.Apostolakis - field-V06-02-0 1349 Dec 2nd, 2004 J.Apostolakis - field-V06-02-01
1461 ---------------------------- 1350 ----------------------------
1462 - Improvements to comments in key Field class 1351 - Improvements to comments in key Field classes
1463 - Changes to test/NTST, renaming 'main()' fil 1352 - Changes to test/NTST, renaming 'main()' file & modifying input files
1464 - Several improvements to test files 1353 - Several improvements to test files
1465 testProElectroMagField.cc 1354 testProElectroMagField.cc
1466 * updating for new Electric Field inheri 1355 * updating for new Electric Field inheritance (& need for
1467 different ChordFinder creation ) 1356 different ChordFinder creation )
1468 * adding columns to print-outs in spin c 1357 * adding columns to print-outs in spin case for better diagnosis
1469 testPropagateMagField.cc 1358 testPropagateMagField.cc
1470 * Added verbosity level 1 to field Propa 1359 * Added verbosity level 1 to field Propagator, relabelled old method.
1471 testPropagateSpin.cc 1360 testPropagateSpin.cc
1472 * Added more printout of parameters (sta 1361 * Added more printout of parameters (state) of G4PropagatorInField
1473 and G4FieldManager before running each 1362 and G4FieldManager before running each test.
1474 test/NTST 1363 test/NTST
1475 * Renamed main() file to testNTST.cc and 1364 * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
1476 1365
1477 1366
1478 Oct 20th, 2004 P.Gumplinger - field-V06-02-0 1367 Oct 20th, 2004 P.Gumplinger - field-V06-02-00
1479 ---------------------------- 1368 ----------------------------
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi 1369 - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
1481 1370
1482 Feb 9th, 2004 G.Cosmo - field-V06-00-00 1371 Feb 9th, 2004 G.Cosmo - field-V06-00-00
1483 ---------------------- 1372 ----------------------
1484 - G4UniformMagField.cc: added missing impleme 1373 - G4UniformMagField.cc: added missing implementation for
1485 GetConstantFieldValue(). Fixes bug report # 1374 GetConstantFieldValue(). Fixes bug report #575.
1486 1375
1487 Nov 13th, 2003 J.Apostolakis - field-V05-02- 1376 Nov 13th, 2003 J.Apostolakis - field-V05-02-08
1488 ----------------------------- 1377 -----------------------------
1489 - G4ChordFinder: 1378 - G4ChordFinder:
1490 o extended the arguments of AdvanceChordLim 1379 o extended the arguments of AdvanceChordLimited and FindNextChord
1491 adding the current safety sphere (origin, 1380 adding the current safety sphere (origin, radius), for use in optimising.
1492 o fixed set functions which had side effect 1381 o fixed set functions which had side effect (on first fraction.)
1493 - Added new class G4ChordFinderSaf (using abo 1382 - Added new class G4ChordFinderSaf (using above)
1494 o which uses safety to create longer chords 1383 o which uses safety to create longer chords, so enabling
1495 propagation in fewer steps --> performa 1384 propagation in fewer steps --> performance optimisation
1496 - G4FieldManager: 1385 - G4FieldManager:
1497 Changed default accuracy parameters to mu 1386 Changed default accuracy parameters to much better values:
1498 Epsilon Min Default to 5.0e-5 from 1387 Epsilon Min Default to 5.0e-5 from 5.0e-7 (too small)
1499 Epsilon Max Default to 0.001 from 1388 Epsilon Max Default to 0.001 from 0.05 (far too big)
1500 1389
1501 Nov 7th, 2003 J.Apostolakis - field-V05-02- 1390 Nov 7th, 2003 J.Apostolakis - field-V05-02-07
1502 ----------------------------- 1391 -----------------------------
1503 - G4ChordFinder 1392 - G4ChordFinder
1504 o Made this a base class 1393 o Made this a base class
1505 * to enable specialised implementations 1394 * to enable specialised implementations
1506 * virtual methods: FindNextChord, PrintSt 1395 * virtual methods: FindNextChord, PrintStatistics)
1507 * new method AccumulateStatistics to aid 1396 * new method AccumulateStatistics to aid in this
1508 1397
1509 o New default value of 1398 o New default value of Accuracy!!
1510 Delta Chord to 0.25 mm (from 1399 Delta Chord to 0.25 mm (from 3.00 mm) <-----
1511 1400
1512 - G4FieldManager 1401 - G4FieldManager
1513 o Changed default values of 1402 o Changed default values of
1514 Delta One Step to 0.010 mm (from 1403 Delta One Step to 0.010 mm (from 0.25 mm) <-----
1515 Delta Intersection to 0.001 mm (from 1404 Delta Intersection to 0.001 mm (from 0.10 mm) <-----
1516 for increased default accuracy 1405 for increased default accuracy
1517 o Use field's DoesFieldChangesEnergy method 1406 o Use field's DoesFieldChangesEnergy method to set relevant member variable
1518 1407
1519 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1408 Nov 7th, 2003 J.Apostolakis - field-V05-02-06
1520 ---------------------------- 1409 ----------------------------
1521 - G4ChordFinder 1410 - G4ChordFinder
1522 Created new class members for parameters u 1411 Created new class members for parameters used in heuristics:
1523 fFirstFraction for first st 1412 fFirstFraction for first step
1524 fFractionLast fraction of 1413 fFractionLast fraction of last step, if redoing
1525 fFractionNextEstimate confidence i 1414 fFractionNextEstimate confidence in step est from chord
1526 fMultipleRadius for small ra 1415 fMultipleRadius for small radii of curve
1527 New method to Print Statistics. 1416 New method to Print Statistics.
1528 Verbosity to enable optional printing of s 1417 Verbosity to enable optional printing of stats in destructor.
1529 1418
1530 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1419 Nov 7th, 2003 J.Apostolakis - field-V05-02-05
1531 ---------------------------- 1420 ----------------------------
1532 - G4ChordFinder 1421 - G4ChordFinder
1533 o Added simple statistics (with access meth 1422 o Added simple statistics (with access methods)
1534 - test/NTST 1423 - test/NTST
1535 o Added new test, taken from D. Williams' e 1424 o Added new test, taken from D. Williams' exampleNTST
1536 modified and maintained by J. Apostolaki 1425 modified and maintained by J. Apostolakis
1537 1426
1538 Nov 5th, 2003 J.Apostolakis - field-V05-02-0 1427 Nov 5th, 2003 J.Apostolakis - field-V05-02-04
1539 ---------------------------- 1428 ----------------------------
1540 - G4FieldManager 1429 - G4FieldManager
1541 o Added Get/Set Min/Max imumEpsilonStep 1430 o Added Get/Set Min/Max imumEpsilonStep
1542 o Added fEpsilonMin fEpsilonMax & default t 1431 o Added fEpsilonMin fEpsilonMax & default to member variables.
1543 >> Now these can be tailored for different 1432 >> Now these can be tailored for different parts of a detector or setup
1544 1433
1545 - G4Field G4ElectroMagneticField G4MagneticFi 1434 - G4Field G4ElectroMagneticField G4MagneticField
1546 o Adding the virtual method DoesFieldChan 1435 o Adding the virtual method DoesFieldChangeEnergy() [to be used later]
1547 o So that G4ElectroMagneticField derives fr 1436 o So that G4ElectroMagneticField derives from G4Field
1548 and G4MagneticField derives from G4Electr 1437 and G4MagneticField derives from G4ElectroMagneticField
1549 1438
1550 - G4MagErrorStepper and derived classes 1439 - G4MagErrorStepper and derived classes
1551 (G4ClassicalRK4 G4SimpleRunge G4ExplicitE 1440 (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
1552 o the constructors take G4EquationOfMotion 1441 o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
1553 as it these applicable to all types of eq 1442 as it these applicable to all types of equations
1554 (not just ones for Magnetic field) 1443 (not just ones for Magnetic field)
1555 1444
1556 - G4EqMagElectricField 1445 - G4EqMagElectricField
1557 o derives from G4EquationOfMotion 1446 o derives from G4EquationOfMotion
1558 1447
1559 - G4ChordFinder 1448 - G4ChordFinder
1560 o Moved simple constructor to .cc file (tog 1449 o Moved simple constructor to .cc file (together with 'complex' one)
1561 o Changed fDefaultDeltaChord to a constant 1450 o Changed fDefaultDeltaChord to a constant member variable (from class var.)
1562 1451
1563 Nov 4th, 2003 G.Cosmo - field-V05-02-03 1452 Nov 4th, 2003 G.Cosmo - field-V05-02-03
1564 ---------------------- 1453 ----------------------
1565 Undocumented. 1454 Undocumented.
1566 1455
1567 Nov 4th, 2003 G.Cosmo - field-V05-02-02 1456 Nov 4th, 2003 G.Cosmo - field-V05-02-02
1568 ---------------------- 1457 ----------------------
1569 - G4ChordFinder.cc: 1458 - G4ChordFinder.cc:
1570 o Fixed compilation problem occuring when G 1459 o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
1571 1460
1572 Oct 31st, 2003 G.Cosmo - field-V05-02-01 1461 Oct 31st, 2003 G.Cosmo - field-V05-02-01
1573 ----------------------- 1462 -----------------------
1574 - Code cleanup and removal of redundant heade 1463 - Code cleanup and removal of redundant header includes, replaced
1575 where necessary by forward declarations. 1464 where necessary by forward declarations.
1576 1465
1577 Oct 24th, 2003 G.Cosmo - field-V05-02-00 1466 Oct 24th, 2003 G.Cosmo - field-V05-02-00
1578 ----------------------- 1467 -----------------------
1579 - Migrated to use new G4Exception scheme. 1468 - Migrated to use new G4Exception scheme.
1580 - Updated outputs of unit tests. 1469 - Updated outputs of unit tests.
1581 1470
1582 Jun 25th, 2003 J.Apostolakis - field-V05-01- 1471 Jun 25th, 2003 J.Apostolakis - field-V05-01-06
1583 ----------------------------- 1472 -----------------------------
1584 - Suppressed printing of statistics (by defau 1473 - Suppressed printing of statistics (by default) in MagIntegrationDriver.
1585 - Fix for unused variables warning in ChordFi 1474 - Fix for unused variables warning in ChordFinder.
1586 1475
1587 Jun 24th, 2003 J.Apostolakis - field-V05-01- 1476 Jun 24th, 2003 J.Apostolakis - field-V05-01-05
1588 ----------------------------- 1477 -----------------------------
1589 - Fix for problems introduced in field-V05-01 1478 - Fix for problems introduced in field-V05-01-03:
1590 o G4ChordFinder: 1479 o G4ChordFinder:
1591 - Fixed unitialised variable for next ste 1480 - Fixed unitialised variable for next step (now used for optimisation).
1592 - Protected assignment of 'fLastStepEstim 1481 - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
1593 unitialised value. 1482 unitialised value.
1594 1483
1595 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1484 Jun 21st, 2003 J.Apostolakis - field-V05-01-04
1596 ----------------------------- 1485 -----------------------------
1597 - G4FieldManager: 1486 - G4FieldManager:
1598 o Revised into 'slightly' abstract class wi 1487 o Revised into 'slightly' abstract class with one (new) virtual method:
1599 ConfigureForTrack( const G4Track *) 1488 ConfigureForTrack( const G4Track *)
1600 to enable the user to configure it with d 1489 to enable the user to configure it with different accuracy parameters
1601 depending on energy, particle id, volume, 1490 depending on energy, particle id, volume, or other track state.
1602 Currently by default, no such configurati 1491 Currently by default, no such configuration action is undertaken.
1603 1492
1604 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1493 Jun 21st, 2003 J.Apostolakis - field-V05-01-03
1605 ----------------------------- 1494 -----------------------------
1606 - Revised G4ChordFinder: 1495 - Revised G4ChordFinder:
1607 * FindNextChord now provides next Step esti 1496 * FindNextChord now provides next Step estimate (for accuracy in Integr.)
1608 * AdvanceChordLimited to use 1497 * AdvanceChordLimited to use
1609 - above extra argument to FindNextChord 1498 - above extra argument to FindNextChord
1610 - the next Step argument as initial-step 1499 - the next Step argument as initial-step suggested to Accurate Advance
1611 - G4MagIntegratorDriver: 1500 - G4MagIntegratorDriver:
1612 * Added extra argument to Accurate Advance: 1501 * Added extra argument to Accurate Advance:
1613 hinitial: suggested initial step size 1502 hinitial: suggested initial step size
1614 - Note: 1503 - Note:
1615 * Purpose: performance boost with small/li 1504 * Purpose: performance boost with small/limited changes,
1616 including minor revisions of interfaces. 1505 including minor revisions of interfaces.
1617 1506
1618 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1507 Jun 20th, 2003 J.Apostolakis - field-V05-01-02
1619 ----------------------------- 1508 -----------------------------
1620 - G4MagIntegratorDriver Quick Advance: 1509 - G4MagIntegratorDriver Quick Advance:
1621 o Took out two unneccessary square roots an 1510 o Took out two unneccessary square roots and two divisions.
1622 - Notes: 1511 - Notes:
1623 1) Pure magnetic, electric, spin field test 1512 1) Pure magnetic, electric, spin field test are completed.
1624 2) Purpose: performance boost with small c 1513 2) Purpose: performance boost with small changes.
1625 1514
1626 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1515 Jun 20th, 2003 J.Apostolakis - field-V05-01-01
1627 ----------------------------- 1516 -----------------------------
1628 - G4MagIntegratorDriver: 1517 - G4MagIntegratorDriver:
1629 o Corrected neglected conversion to <std> f 1518 o Corrected neglected conversion to <std> from "G4std".
1630 - Migrated unit tests to <std>. 1519 - Migrated unit tests to <std>.
1631 1520
1632 Jun 19th, 2003 J.Apostolakis - field-V05-01- 1521 Jun 19th, 2003 J.Apostolakis - field-V05-01-00
1633 ----------------------------- 1522 -----------------------------
1634 - G4ChordFinder: 1523 - G4ChordFinder:
1635 o Corrected simple constructor to initialis 1524 o Corrected simple constructor to initialise several member variables
1636 including LastStepEstimate_Unconstrained. 1525 including LastStepEstimate_Unconstrained.
1637 - G4MagIntegratorDriver: 1526 - G4MagIntegratorDriver:
1638 o Keep simple statistics on number of steps 1527 o Keep simple statistics on number of steps, total error and step size.
1639 o Took out an unneccessary square root (in 1528 o Took out an unneccessary square root (in loop).
1640 - NOTE: tests field0X are to be migrated. 1529 - NOTE: tests field0X are to be migrated.
1641 Purpose: fixes, small performance boost, si 1530 Purpose: fixes, small performance boost, simple statistics.
1642 1531
1643 Apr 2nd, 2003 G. Cosmo - field-V05-00-01 1532 Apr 2nd, 2003 G. Cosmo - field-V05-00-01
1644 --------------------------- 1533 ---------------------------
1645 - Created .cc files for G4MagneticField and G 1534 - Created .cc files for G4MagneticField and G4ElecroMagneticField.
1646 - Fixed definition of copy constructors in fi 1535 - Fixed definition of copy constructors in fields inheritance chain.
1647 - Moved obsolete method StepWithEst() to priv 1536 - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
1648 G4CashKarpRKF45 and G4ClassicalRK4. 1537 G4CashKarpRKF45 and G4ClassicalRK4.
1649 - Cleared strict pedantic warnings. 1538 - Cleared strict pedantic warnings.
1650 1539
1651 Feb 5th, 2003 G. Cosmo - field-V05-00-00 1540 Feb 5th, 2003 G. Cosmo - field-V05-00-00
1652 --------------------------- 1541 ---------------------------
1653 - Removed redundant inclusions of PhysicalCon 1542 - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
1654 Now using directly CLHEP's headers. 1543 Now using directly CLHEP's headers.
1655 1544
1656 Dec 12th, 2002 G. Cosmo - field-V04-01-06 1545 Dec 12th, 2002 G. Cosmo - field-V04-01-06
1657 --------------------------- 1546 ---------------------------
1658 - Moved unused variable 'nStpPr' to debug sec 1547 - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
1659 method AccurateAdvance(). 1548 method AccurateAdvance().
1660 1549
1661 Dec 06th, 2002 G. Cosmo - field-V04-01-05 1550 Dec 06th, 2002 G. Cosmo - field-V04-01-05
1662 --------------------------- 1551 ---------------------------
1663 - Merged changes by Makoto for migration to n 1552 - Merged changes by Makoto for migration to new G4ApplicationState in
1664 messengers of unit tests. 1553 messengers of unit tests.
1665 1554
1666 Nov 29th, 2002 J. Apostolakis - field-V04 1555 Nov 29th, 2002 J. Apostolakis - field-V04-01-04
1667 --------------------------------- 1556 ---------------------------------
1668 Further fixes for unitialised variable - in o 1557 Further fixes for unitialised variable - in other steppers:
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE 1558 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
1670 1559
1671 Large memory leak fix for G4ImplicitEuler, sm 1560 Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
1672 Test accuracy requirements for spin adjusted. 1561 Test accuracy requirements for spin adjusted.
1673 1562
1674 Nov 20th, 2002 J. Apostolakis - field-V04 1563 Nov 20th, 2002 J. Apostolakis - field-V04-01-03
1675 --------------------------------- 1564 ---------------------------------
1676 Further fixes for unitialised variables: 1565 Further fixes for unitialised variables:
1677 1566
1678 * G4MagIntegratorStepper 1567 * G4MagIntegratorStepper
1679 - Created instance variables for number of 1568 - Created instance variables for number of Integration, State variables
1680 1569
1681 * G4MagErrorStepper 1570 * G4MagErrorStepper
1682 - Utilise number of State variables to ini 1571 - Utilise number of State variables to initialise full state of Output.
1683 1572
1684 * G4Mag_SpinEqRhs 1573 * G4Mag_SpinEqRhs
1685 - Initialise the values of dydx that we do 1574 - Initialise the values of dydx that we do not update.
1686 1575
1687 Note: Undoing these changes and the ones belo 1576 Note: Undoing these changes and the ones below would enable the user to see
1688 if undefined values are used in varia 1577 if undefined values are used in variables that he/she expects to
1689 have integrated. 1578 have integrated.
1690 BUT the fix assists us to find truly un 1579 BUT the fix assists us to find truly undefined values elsewhere
1691 -- if they exist -- using valgrind. 1580 -- if they exist -- using valgrind.
1692 1581
1693 Nov 9th, 2002 J. Apostolakis - field-V04 1582 Nov 9th, 2002 J. Apostolakis - field-V04-01-02
1694 --------------------------------- 1583 ---------------------------------
1695 Fixes to address use of uninitialised variabl 1584 Fixes to address use of uninitialised variable in seting values of FieldTrack
1696 (this was done by design, but was neither ide 1585 (this was done by design, but was neither ideal or always well-behaved.)
1697 Changed: 1586 Changed:
1698 1587
1699 * G4MagIntegratorDriver 1588 * G4MagIntegratorDriver
1700 - Added instance variables for number of In 1589 - Added instance variables for number of Integration, State variables
1701 - Initialise all State variables of Output 1590 - Initialise all State variables of Output with values from initial variables.
1702 - Only the Integration variables will be in 1591 - Only the Integration variables will be integrated
1703 1592
1704 * G4ClassicalRK4 and G4MagErrorStepper 1593 * G4ClassicalRK4 and G4MagErrorStepper
1705 - Copy the initial time to intermediate and 1594 - Copy the initial time to intermediate and output C-vectors,
1706 in order to provide a zero-eth estimate 1595 in order to provide a zero-eth estimate value.
1707 Note1: Should clean-up this fix, making it 1596 Note1: Should clean-up this fix, making it similar to Driver (above)
1708 Note2: Should *not* be used for time varyin 1597 Note2: Should *not* be used for time varying field unless created
1709 with at least 8 integration variab 1598 with at least 8 integration variables
1710 --------------------------------- 1599 ---------------------------------
1711 G4ChordFinder.cc 1600 G4ChordFinder.cc
1712 - Correction from zero dChord 1601 - Correction from zero dChord
1713 which is does not update the Unconstrai 1602 which is does not update the Unconstrained step estimate (state)
1714 - Added instance variables to store number 1603 - Added instance variables to store number of calls and chord-trials
1715 and new print method for 'debugging' 1604 and new print method for 'debugging'
1716 1605
1717 G4Mag_UsualEqRhs.cc 1606 G4Mag_UsualEqRhs.cc
1718 - Attempted approximations for speedup *ov 1607 - Attempted approximations for speedup *overwritten* by full inverse sqrt.
1719 1608
1720 1609
1721 Oct 29th, 2002 J. Apostolakis - test-V04-0 1610 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1722 -------------------------------- 1611 --------------------------------
1723 - Changed output of tests for small output ch 1612 - Changed output of tests for small output change (GeV->MeV)
1724 1613
1725 Oct 29th, 2002 J. Apostolakis - test-V04-0 1614 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1726 -------------------------------- 1615 --------------------------------
1727 - (Only changed and tagged test subdirectory) 1616 - (Only changed and tagged test subdirectory)
1728 Changed tests to use the new method SetChar 1617 Changed tests to use the new method SetChargeMomentumMass of
1729 PropagatorInField in order to be ready for 1618 PropagatorInField in order to be ready for its full use in
1730 G4PropagatorInField. 1619 G4PropagatorInField.
1731 (A key problem at end-July was this non-pre 1620 (A key problem at end-July was this non-preparedness of the unit tests.)
1732 1621
1733 Jul 24th, 2002 G. Cosmo - field-V04-01-01 1622 Jul 24th, 2002 G. Cosmo - field-V04-01-01
1734 -------------------------- 1623 --------------------------
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta 1624 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736 fDefault_Delta_Intersection_Val normal cons 1625 fDefault_Delta_Intersection_Val normal constants (not static) to
1737 resolve initialisation problems. Coworks wi 1626 resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738 Fixes problem report #383. 1627 Fixes problem report #383.
1739 1628
1740 Jul 23rd, 2002 G. Cosmo - field-V04-01-00 1629 Jul 23rd, 2002 G. Cosmo - field-V04-01-00
1741 -------------------------- 1630 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o 1631 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743 Protected variable 'nStpPr' with G4DEBUG_FI 1632 Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up 1633 - Updated reference outputs and some other updates to unit tests.
1745 1634
1746 Jun 25th, 2002 J. Apostolakis - field-V04- 1635 Jun 25th, 2002 J. Apostolakis - field-V04-00-05
1747 -------------------------------- 1636 --------------------------------
1748 - G4ChordFinder.cc 1637 - G4ChordFinder.cc
1749 In NewStep: fixed case of stepTrial >> ste 1638 In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750 (it was treated the same as stepTrial 1639 (it was treated the same as stepTrial << old)
1751 Added guard for stepTrial==0.0 in FindNextC 1640 Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc 1641 - G4MagIntegratorDriver.cc
1753 Added protection against error of 0.0 in Co 1642 Added protection against error of 0.0 in ComputeNewStepSize.
1754 1643
1755 - G4EquationOfMotion 1644 - G4EquationOfMotion
1756 Made RightHandSide an inline method 1645 Made RightHandSide an inline method
1757 In GetFieldValue signature of Point is doub 1646 In GetFieldValue signature of Point is double[4], instead of double[3]
1758 Defined G4maximum_number_of_field_component 1647 Defined G4maximum_number_of_field_components as enum
1759 1648
1760 Jun 7th, 2002 J. Apostolakis - field-V04- 1649 Jun 7th, 2002 J. Apostolakis - field-V04-00-04
1761 -------------------------------- 1650 --------------------------------
1762 - G4Mag_SpinEqRhs.cc 1651 - G4Mag_SpinEqRhs.cc
1763 o Fix to momentum component of Rhs. 1652 o Fix to momentum component of Rhs.
1764 1653
1765 May 31st, 2002 J. Apostolakis - field-V04- 1654 May 31st, 2002 J. Apostolakis - field-V04-00-03
1766 -------------------------------- 1655 --------------------------------
1767 - G4MagHelicalStepper.icc 1656 - G4MagHelicalStepper.icc
1768 o Fix to LinearStep (correcting previous 1657 o Fix to LinearStep (correcting previous fix/cosmetic)
1769 - G4ChordFinder.cc 1658 - G4ChordFinder.cc
1770 o Corrective behaviour for very small or 1659 o Corrective behaviour for very small or large changes of 'new step'
1771 [observed in complex 3-d fields (purgi 1660 [observed in complex 3-d fields (purging magnet), or
1772 approximate equations of 1661 approximate equations of motion ]
1773 - G4MagIntegratorDriver 1662 - G4MagIntegratorDriver
1774 o More information in debug printing (tan 1663 o More information in debug printing (tangent cosine, norm)
1775 1664
1776 May 7th, 2002 J. Apostolakis 1665 May 7th, 2002 J. Apostolakis
1777 -------------------------------- 1666 --------------------------------
1778 - G4MagIntegratorDriver - ( on trunk ) 1667 - G4MagIntegratorDriver - ( on trunk )
1779 * Fix to update the field track for steps s 1668 * Fix to update the field track for steps smaller than the chord finder's
1780 minstep. 1669 minstep.
1781 1670
1782 1671
1783 April 19th, 2002 J. Apostolakis (not inclu 1672 April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
1784 -------------------------------- 1673 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc (on trunk) 1674 - G4MagIntegratorDriver.hh,cc (on trunk)
1786 * Bug fix: last step can now only be trigg 1675 * Bug fix: last step can now only be triggerred if x+h > x2.
1787 * Debugging methods improved. 1676 * Debugging methods improved.
1788 1677
1789 May 7th, 2002 J. Apostolakis - field-V04- 1678 May 7th, 2002 J. Apostolakis - field-V04-00-02
1790 -------------------------------- 1679 --------------------------------
1791 Tag including only two changes below: 1680 Tag including only two changes below:
1792 - Putting aside the other fixes/changes (as 1681 - Putting aside the other fixes/changes (as the one above) to
1793 G4MagIntegratorDriver, tagging only the fix t 1682 G4MagIntegratorDriver, tagging only the fix to update the field track
1794 for steps smaller than the chord finder's min 1683 for steps smaller than the chord finder's minstep.
1795 1684
1796 May 7th, 2002 J. Apostolakis 1685 May 7th, 2002 J. Apostolakis
1797 -------------------------------- 1686 --------------------------------
1798 - G4MagIntegratorDriver - ** branch ** on 1687 - G4MagIntegratorDriver - ** branch ** on 1.20 **
1799 * Fix to update the field track for steps s 1688 * Fix to update the field track for steps smaller than the chord finder's
1800 minstep. 1689 minstep.
1801 1690
1802 May 7th, 2002 J. Apostolakis 1691 May 7th, 2002 J. Apostolakis
1803 -------------------------------- 1692 --------------------------------
1804 - G4MagIntegratorStepper 1693 - G4MagIntegratorStepper
1805 * Changed RightHandSide from a virtual meth 1694 * Changed RightHandSide from a virtual method to an inline (non-virtual)
1806 method -- it is not and should not be c 1695 method -- it is not and should not be changed by derived classes.
1807 1696
1808 Mar 28th, 2002 J. Apostolakis - field-V04-00 1697 Mar 28th, 2002 J. Apostolakis - field-V04-00-01
1809 ----------------------- 1698 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex 1699 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
1811 that had not been updated for new integra 1700 that had not been updated for new integration variable (momentum).
1812 --> found in testing helical steppers in 1701 --> found in testing helical steppers in BaBar setup,
1813 in region of negligible field. 1702 in region of negligible field.
1814 1703
1815 - Changed maximum number of steps in driver, 1704 - Changed maximum number of steps in driver,
1816 halving from 500/order to 250/order. 1705 halving from 500/order to 250/order.
1817 1706
1818 Mar 28th, 2002 J. Apostolakis 1707 Mar 28th, 2002 J. Apostolakis
1819 ----------------------- 1708 -----------------------
1820 - Committed directory "OtherField" with examp 1709 - Committed directory "OtherField" with examples of fields,
1821 Delphi, Quadropole etc. 1710 Delphi, Quadropole etc.
1822 1711
1823 - Updated outputs of testPropagateMagField fo 1712 - Updated outputs of testPropagateMagField for new version of source,
1824 that has 3rd test case. 1713 that has 3rd test case.
1825 1714
1826 - Added new runs and outputs for testProElect 1715 - Added new runs and outputs for testProElectroMagField, with
1827 several steppers, and modified test scrip 1716 several steppers, and modified test script test.sh accordingly.
1828 1717
1829 1718
1830 Feb 2nd, 2002 V. Grichine 1719 Feb 2nd, 2002 V. Grichine
1831 ------------------------ 1720 ------------------------
1832 Update of test/field02 to utilise new feature 1721 Update of test/field02 to utilise new features
1833 - for Electric Field, to signal that a fiel 1722 - for Electric Field, to signal that a field modifies the energy;
1834 - updating of time by integration, for time 1723 - updating of time by integration, for time dependent fields.
1835 1724
1836 Jan 10th, 2002 G. Cosmo - field-V04-00-00 1725 Jan 10th, 2002 G. Cosmo - field-V04-00-00
1837 ------------------------ 1726 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile. 1727 - Activated G4DEBUG_FIELD in GNUmakefile.
1839 1728
1840 Jan 7th, 2002 J. Apostolakis 1729 Jan 7th, 2002 J. Apostolakis
1841 ----------------------------- 1730 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia 1731 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843 1732
1844 Dec 4th, 2001 G. Cosmo - field-V03-02-08 1733 Dec 4th, 2001 G. Cosmo - field-V03-02-08
1845 ----------------------- 1734 -----------------------
1846 - Fixed interface to virtual functions in the 1735 - Fixed interface to virtual functions in the inheritance chain.
1847 Added 'virtual' qualifier to destructor and 1736 Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848 of G4Field which may act as base class for 1737 of G4Field which may act as base class for user-defined fields.
1849 Modified files: G4MagneticField.hh, G4Unifo 1738 Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850 G4UniformMagField.hh. 1739 G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng 1740 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852 inside #ifdef G4DEBUG_FIELD. Other #ifdef r 1741 inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w 1742 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854 is returned (V.Grichine). 1743 is returned (V.Grichine).
1855 1744
1856 Nov 28th, 2001 J. Apostolakis - field-V03-02 1745 Nov 28th, 2001 J. Apostolakis - field-V03-02-07
1857 ------------------------------ 1746 ------------------------------
1858 G4FieldManager 1747 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g 1748 - Added fFieldChangesEnergy data member and get/set methods
1860 ( required to allow transportation to know h 1749 ( required to allow transportation to know how to calculate end-time,
1861 enabling the integration of time only for 1750 enabling the integration of time only for electric fields. )
1862 1751
1863 Nov 28th, 2001 J. Apostolakis - field-V03-02 1752 Nov 28th, 2001 J. Apostolakis - field-V03-02-06
1864 ------------------------------ 1753 ------------------------------
1865 Small fixes only: 1754 Small fixes only:
1866 1755
1867 G4CashKarpRKF45 1756 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array 1757 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869 1758
1870 G4EqMagElectricField 1759 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci 1760 - bug fixed in the formula for inverse velocity (-> V. Grichine)
1872 1761
1873 Nov 21st, 2001 G. Cosmo - field-V03-02-05 1762 Nov 21st, 2001 G. Cosmo - field-V03-02-05
1874 ------------------------ 1763 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB 1764 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876 (V.Grichine). 1765 (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma 1766 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02. 1767 - Updates to unit test field02.
1879 1768
1880 Nov 13th, 2001 G. Cosmo - field-V03-02-04 1769 Nov 13th, 2001 G. Cosmo - field-V03-02-04
1881 ------------------------ 1770 ------------------------
1882 - Removed warnings on gcc-2.95.2. 1771 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field 1772 - Included unit tests field01, field02, field03.
1884 1773
1885 Nov 9th, 2001 J. Apostolakis - field-V03-02- 1774 Nov 9th, 2001 J. Apostolakis - field-V03-02-03
1886 ----------------------------- 1775 -----------------------------
1887 Motivated by the use case of an Electric Fiel 1776 Motivated by the use case of an Electric Field,
1888 - in order to achieve reasonable accuracy in 1777 - in order to achieve reasonable accuracy in time integration,
1889 - and to enable fields that vary with the gl 1778 - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol 1779 we (John Ap. and V. Grichine) changed the following:
1891 1780
1892 - Modified G4Field to allow the time in the G 1781 - Modified G4Field to allow the time in the GetFieldValue method
1893 - as 4th component of the "position" arr 1782 - as 4th component of the "position" array.
1894 1783
1895 - Modified EquationOfMotion to provide the ti 1784 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896 of G4Field 1785 of G4Field
1897 * as the 4th component of a position / 1786 * as the 4th component of a position / time 4-array
1898 * in place of only position as a 3-arry 1787 * in place of only position as a 3-arry
1899 1788
1900 - Added the global time as variable to be int 1789 - Added the global time as variable to be integrated over in the
1901 case of an Electric Field 1790 case of an Electric Field
1902 1791
1903 Support for these modifications is required i 1792 Support for these modifications is required in G4Transportation.
1904 1793
1905 (Better support will require either 1794 (Better support will require either
1906 - a modification in G4FieldTrack to indicate 1795 - a modification in G4FieldTrack to indicate whether the time has been
1907 integrated or not. 1796 integrated or not.
1908 - or additionally making the time calculatio 1797 - or additionally making the time calculation a property of G4FieldTrack,
1909 bring in code to do it in from G4Transpor 1798 bring in code to do it in from G4Transportation.)
1910 1799
1911 1800
1912 Nov 8th, 2001 J. Apostolakis - field-V03-02 1801 Nov 8th, 2001 J. Apostolakis - field-V03-02-02
1913 ------------------------ 1802 ------------------------
1914 - Introduced several changes in G4MagIntegrat 1803 - Introduced several changes in G4MagIntegratorDriver.
1915 1804
1916 It now respects its minimum driver step si 1805 It now respects its minimum driver step size in AccurateAdvance.
1917 * whereas before it did not. 1806 * whereas before it did not.
1918 1807
1919 Modified maximum number of steps, lowering 1808 Modified maximum number of steps, lowering by factor of 10.
1920 -> it should reduce the time spent integ 1809 -> it should reduce the time spent integrating low energy particles,
1921 in some cases where it is unneccessary. 1810 in some cases where it is unneccessary.
1922 1811
1923 Protected printing of (nearly?) all warnin 1812 Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
1924 1813
1925 1814
1926 Nov 05th, 2001 G. Cosmo - field-V03-02-01 1815 Nov 05th, 2001 G. Cosmo - field-V03-02-01
1927 ------------------------ 1816 ------------------------
1928 - Fixed trivial warnings on Linux-g++. 1817 - Fixed trivial warnings on Linux-g++.
1929 1818
1930 Aug 27th, 2001 J. Apostolakis - field-V03-02 1819 Aug 27th, 2001 J. Apostolakis - field-V03-02-00
1931 ------------------------------ 1820 ------------------------------
1932 Tagged last change. 1821 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 ( 1822 This tag is utilised in transport-V03-02-01 (which requires it).
1934 1823
1935 Aug 16th, 2001 J. Apostolakis 1824 Aug 16th, 2001 J. Apostolakis
1936 ------------------------------ 1825 ------------------------------
1937 G4ChordFinder: 1826 G4ChordFinder:
1938 Added method to erase/reset the state of the 1827 Added method to erase/reset the state of the StepEstimate.
1939 This is unwanted internal state that was car 1828 This is unwanted internal state that was carried between tracks and
1940 events as a side effect. 1829 events as a side effect.
1941 1830
1942 Calling this at the start of each track, it 1831 Calling this at the start of each track, it is now possible to
1943 eliminate a non-repeatability that was possi 1832 eliminate a non-repeatability that was possible due to this.
1944 ( It has been observed in particular in v 1833 ( It has been observed in particular in vaccuum. )
1945 1834
1946 May 23rd, 2001 J. Apostolakis - field-V03-01 1835 May 23rd, 2001 J. Apostolakis - field-V03-01-02
1947 ------------------------------ 1836 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo 1837 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949 1838
1950 May 23rd, 2001 J. Apostolakis - field-V03-01 1839 May 23rd, 2001 J. Apostolakis - field-V03-01-01
1951 ------------------------------ 1840 ------------------------------
1952 - Fixed G4FieldManager constructors to give d 1841 - Fixed G4FieldManager constructors to give default values to delta
1953 parameters. 1842 parameters.
1954 1843
1955 - Updated testPropagateSpin (it now compiles) 1844 - Updated testPropagateSpin (it now compiles),
1956 and some outputs of testPropagateMagField 1845 and some outputs of testPropagateMagField (1 to 5)
1957 1846
1958 1847
1959 Apr 12th, 2001 P. Gumplinger - field-V03-01- 1848 Apr 12th, 2001 P. Gumplinger - field-V03-01-00
1960 ----------------------------- 1849 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq 1850 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962 to spin tracking. 1851 to spin tracking.
1963 1852
1964 Apr 04th, 2001 G. Cosmo - field-V03-00-05 1853 Apr 04th, 2001 G. Cosmo - field-V03-00-05
1965 ------------------------ 1854 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o 1855 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967 1856
1968 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1857 Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
1969 ------------------------------ 1858 ------------------------------
1970 - Electric Field unit test now works: test ru 1859 - Electric Field unit test now works: test runs until completion.
1971 Test outputs saved (on Linux). 1860 Test outputs saved (on Linux).
1972 1861
1973 - Fixed src/G4UniformElectricField.cc to set 1862 - Fixed src/G4UniformElectricField.cc to set correct field components
1974 (compat 1863 (compatible with Equation of Motion
1975 G4EqMa 1864 G4EqMagElectricField )
1976 1865
1977 - Tidied G4FieldTrack 1866 - Tidied G4FieldTrack
1978 * deleted obsolete methods Set/Get Momentu 1867 * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979 * in constructor to set the value of the s 1868 * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
1980 if pSpin is null. (It was undefine 1869 if pSpin is null. (It was undefined.)
1981 1870
1982 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1871 Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
1983 ------------------------------ 1872 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil 1873 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
1985 1874
1986 - Modified G4MagIntegratorStepper 1875 - Modified G4MagIntegratorStepper
1987 to use pointer to G4EquationOfMotion 1876 to use pointer to G4EquationOfMotion
1988 instead of G4Mag_EqRhs 1877 instead of G4Mag_EqRhs
1989 1878
1990 - Design iteration appears neccessary 1879 - Design iteration appears neccessary
1991 1880
1992 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1881 Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
1993 ------------------------------ 1882 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for 1883 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995 the possibility of (correct) use of all H 1884 the possibility of (correct) use of all Helical Steppers.
1996 1885
1997 - test/testProElectroMagField.cc updated for 1886 - test/testProElectroMagField.cc updated for momentum.
1998 (Not yet updated: Spin tests) 1887 (Not yet updated: Spin tests)
1999 1888
2000 1889
2001 Mar 19th, 2001 J. Apostolakis - field-V03-00 1890 Mar 19th, 2001 J. Apostolakis - field-V03-00-01
2002 ------------------------------ 1891 ------------------------------
2003 - Tagging the modification of several classes 1892 - Tagging the modification of several classes to integrate in momentum*c_light
2004 instead of velocity. 1893 instead of velocity.
2005 Reason for change: Velocity integration ca 1894 Reason for change: Velocity integration can result in superluminar
2006 velocities, due to arithmetic inaccuraci 1895 velocities, due to arithmetic inaccuracies.
2007 Classes modified: 1896 Classes modified:
2008 G4FieldTrack, (Changed components 3,4,5 1897 G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
2009 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle 1898 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010 1899
2011 Feb 20th, 2001 J. Apostolakis 1900 Feb 20th, 2001 J. Apostolakis
2012 1901
2013 - Modified several classes to integrate in mo 1902 - Modified several classes to integrate in momentum instead of velocity.
2014 1903
2015 G4FieldTrack: 1904 G4FieldTrack:
2016 Changed components 3,4,5 of SixVector to 1905 Changed components 3,4,5 of SixVector to Momentum,
2017 Modified constructor 1906 Modified constructor
2018 Added energy calculation to "LoadFromArr 1907 Added energy calculation to "LoadFromArray" method
2019 GetEnergy method is now implemented. 1908 GetEnergy method is now implemented.
2020 Deleted obsolete (old) method names for 1909 Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021 1910
2022 G4ChordFinder 1911 G4ChordFinder
2023 Renamed old-method names of Field Track 1912 Renamed old-method names of Field Track to new ones.
2024 1913
2025 Jan 29th, 2001 G. Cosmo - field-V03-00-00 1914 Jan 29th, 2001 G. Cosmo - field-V03-00-00
2026 ------------------------- 1915 -------------------------
2027 1916
2028 - Minor fix to G4MagneticField.hh: added expl 1917 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029 copy constructor. Fixes report #205. 1918 copy constructor. Fixes report #205.
2030 1919
2031 Nov 20th, 2000 G. Cosmo - field-V02-00-02 1920 Nov 20th, 2000 G. Cosmo - field-V02-00-02
2032 1921
2033 - Fixes to remove warnings from "-Wall -ansi 1922 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034 o commented out variables declared and not 1923 o commented out variables declared and not used.
2035 o fixed declaration of variables used befor 1924 o fixed declaration of variables used before being initialised.
2036 o fixed order of initialisation of member d 1925 o fixed order of initialisation of member data in constructors.
2037 o fixed usage of unsigned-int (size_t) for 1926 o fixed usage of unsigned-int (size_t) for array indeces.
2038 1927
2039 Nov 9th, 2000 G. Cosmo - field-V02-00-01 1928 Nov 9th, 2000 G. Cosmo - field-V02-00-01
2040 1929
2041 - G4FieldManager: added check on existence of 1930 - G4FieldManager: added check on existence of allocated fChordFinder
2042 in CreateChordFinder(G4MagneticField*) meth 1931 in CreateChordFinder(G4MagneticField*) method.
2043 1932
2044 Nov 1st, 2000 G. Cosmo - field-V02-00-00 1933 Nov 1st, 2000 G. Cosmo - field-V02-00-00
2045 1934
2046 - QA code revision and cleanup (+fixes from C 1935 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047 o Added (private) declarations of copy cons 1936 o Added (private) declarations of copy constructor and assignment operator
2048 where needed. 1937 where needed.
2049 o Added "const" qualifier to accessor metho 1938 o Added "const" qualifier to accessor methods, wherever needed.
2050 o Added equality check on operator= where n 1939 o Added equality check on operator= where needed.
2051 o Made destructor "virtual" for classes hav 1940 o Made destructor "virtual" for classes having virtual methods,
2052 wherever missing. 1941 wherever missing.
2053 o Changed virtual functions to non-inline w 1942 o Changed virtual functions to non-inline wherever's the case.
2054 o Changed return value to be "const" pointe 1943 o Changed return value to be "const" pointer to functions:
2055 - G4EquationOfMotion::GetFieldObj() 1944 - G4EquationOfMotion::GetFieldObj()
2056 - G4FieldManager::GetDetectorField() 1945 - G4FieldManager::GetDetectorField()
2057 - G4MagIntegratorDriver::GetStepper() 1946 - G4MagIntegratorDriver::GetStepper()
2058 o Fixed and corrected signature to G4MagInt 1947 o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059 o Added "inline" qualifier to methods' decl 1948 o Added "inline" qualifier to methods' declarations.
2060 o General cosmetics 1949 o General cosmetics
2061 1950
2062 Jun 2nd, 2000 J. Apostolakis 1951 Jun 2nd, 2000 J. Apostolakis
2063 - G4FieldManager[.hh.icc] 1952 - G4FieldManager[.hh.icc]
2064 o Added DeltaIntersection and DeltaOneStep 1953 o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065 Get/Set methods and SetAccuraciesWithDelt 1954 Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066 1955
2067 May 31st, 2000 J. Apostolakis - field-V01-01 1956 May 31st, 2000 J. Apostolakis - field-V01-01-03
2068 1957
2069 include/G4FieldManager.hh,icc 1958 include/G4FieldManager.hh,icc
2070 o Moved Delta Intersection and Delta One St 1959 o Moved Delta Intersection and Delta One Step to FieldManager
2071 (from Propagator in Field), to allow th 1960 (from Propagator in Field), to allow them to differ over the detector.
2072 1961
2073 May 11th, 2000 J. Apostolakis - field-V01-01 1962 May 11th, 2000 J. Apostolakis - field-V01-01-02
2074 1963
2075 - G4ChordFinder[.hh.cc] 1964 - G4ChordFinder[.hh.cc]
2076 o Modified method for finding new trial ste 1965 o Modified method for finding new trial step.
2077 New method assumes a quadratic relationsh 1966 New method assumes a quadratic relationship between step-length and d_chord:
2078 d_chord proportional to step-l 1967 d_chord proportional to step-lenght ^ 2
2079 o Added two small refinement in order to av 1968 o Added two small refinement in order to avoid unneccesary extra step due to
2080 small numerical inaccuracies in estimatio 1969 small numerical inaccuracies in estimation:
2081 FindNextChord 1970 FindNextChord
2082 to first step use (1-0.001) 1971 to first step use (1-0.001) * last-step-estimate
2083 New Step: 1972 New Step:
2084 to subsequent step use trial_st 1973 to subsequent step use trial_step = 0.98 * estimate
2085 1974
2086 May 10th, 2000 G. Cosmo 1975 May 10th, 2000 G. Cosmo
2087 1976
2088 - G4MagneticField.hh: minor fix to dummy impl 1977 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089 operator. 1978 operator.
2090 1979
2091 May 9th, 2000 J. Apostolakis - field-V01 1980 May 9th, 2000 J. Apostolakis - field-V01-01-01
2092 1981
2093 - G4MagErrorStepper: 1982 - G4MagErrorStepper:
2094 Modified DistChord to check whether the c 1983 Modified DistChord to check whether the chord endpoint are the same point.
2095 1984
2096 - G4RKG3_Stepper: 1985 - G4RKG3_Stepper:
2097 Deleted error message from StepNoErr, as 1986 Deleted error message from StepNoErr, as it is used in Stepper.
2098 1987
2099 - G4MagIntegratorDriver: 1988 - G4MagIntegratorDriver:
2100 Changed the condition for the debug outpu 1989 Changed the condition for the debug output (~cosmetic)
2101 1990
2102 1991
2103 April 27th, 2000 G. Cosmo 1992 April 27th, 2000 G. Cosmo
2104 1993
2105 - Reorganised comments for the Software Refer 1994 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe 1995 - Moved inlined definition to .icc files, where needed.
2107 Created: G4ChordFinder.icc and G4FieldManag 1996 Created: G4ChordFinder.icc and G4FieldManager.icc.
2108 1997
2109 April 13th, 2000 J. Apostolakis - field-V01 1998 April 13th, 2000 J. Apostolakis - field-V01-01-00
2110 1999
2111 - Modified signature to function DumbStepper( 2000 - Modified signature to function DumbStepper() in classes:
2112 G4HelixExplicitEuler, G4HelixHeum, G4HelixI 2001 G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113 G4HelixSimpleRunge and G4MagHelicalStepper. 2002 G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu 2003 - Modified signature and implementation of function MagFieldEvaluate()
2115 in G4MagHelicalStepper, to use Field (as Th 2004 in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it 2005 - Made Richardson extrapolation optional (it is unclear if
2117 it offers benefit) in G4MagHelicalStepper. 2006 it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and 2007 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b 2008 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120 (V.Grichine). 2009 (V.Grichine).
2121 2010
2122 January 19th, 2000 G. Cosmo - field-V01-00 2011 January 19th, 2000 G. Cosmo - field-V01-00-00
2123 2012
2124 Syncronized versioning of files with HEAD aft 2013 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes). 2014 (essentially CVS header changes).
2126 2015
2127 December 7th, 1999 J. Apostolakis - field- 2016 December 7th, 1999 J. Apostolakis - field-V00-01-01a
2128 2017
2129 For negative or very small curve lengths (h) 2018 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe 2019 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless. 2020 as it is meaningless.
2132 2021
2133 November 23rd, 1999 J. Apostolakis - field- 2022 November 23rd, 1999 J. Apostolakis - field-V00-01-01
2134 2023
2135 Tagged this sub-category's state in geometry- 2024 Tagged this sub-category's state in geometry-V00-01-01
2136 2025
2137 2026
2138 July 6th, 1999 J. Apostolakis - field- 2027 July 6th, 1999 J. Apostolakis - field-01-00-07
2139 2028
2140 These fixes and those in field-01-00-06 and f 2029 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 2030 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig 2031 interaction with paths that are rather straight.
2143 2032
2144 G4MagIntegrationDriver: 2033 G4MagIntegrationDriver:
2145 i) AccurateAdvance now that the chord distan 2034 i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon). 2035 gth (times 1+epsilon).
2147 2036
2148 ii) OneGoodStep and QuickAdvance considers th 2037 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b 2038 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given. 2039 the "eps" maximum given.
2151 2040
2152 G4ChordFinder: 2041 G4ChordFinder:
2153 Having found that the curve_length vs ABdis 2042 Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration: 2043 the imprecision of the integration:
2155 i) Modified the exception in this case to h 2044 i) Modified the exception in this case to happen only for very large
2156 relative disrepancies ( 10 * eps ). 2045 relative disrepancies ( 10 * eps ).
2157 ii) Undertaken a default corrective action i 2046 ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve 2047 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu 2048 ie step lengths much smaller than the curvature of the track.
2160 2049
2161 July 1st, 1999 J. Apostolakis - field- 2050 July 1st, 1999 J. Apostolakis - field-01-00-06a
2162 2051
2163 In order to cope with the anomalous condition 2052 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField, we ensure that the f 2053 in G4PropagatorInField, we ensure that the fraction_AE is always between
2165 0 and 1.0. (giving it a default value of 0.5 2054 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV ) 2055 ( in G4ChordFinder::ApproxCurvePointV )
2167 2056
2168 June 29th, 1999 J. Apostolakis - field- 2057 June 29th, 1999 J. Apostolakis - field-01-00-06
2169 2058
2170 I re-instated a check on whether the input 2059 I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t 2060 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV ) 2061 ( in G4ChordFinder::ApproxCurvePointV )
2173 2062
2174 The condition that prints out a warning messa 2063 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi 2064 take into account the case of a very small final interval.
2176 ( in G4MagInt_Driver::AccurateAdvance ) 2065 ( in G4MagInt_Driver::AccurateAdvance )
2177 2066
2178 June ??th, 1999 J. Apostolakis - field- 2067 June ??th, 1999 J. Apostolakis - field-01-00-05
2179 2068
2180 The condition that prints out a warning messa 2069 The condition that prints out a warning message was changed to delete
2181 an incorrect comparison. 2070 an incorrect comparison.
2182 ( in G4MagInt_Driver::AccurateAdvance ) 2071 ( in G4MagInt_Driver::AccurateAdvance )
2183 2072
2184 April 19th, 1999 J. Apostolakis - field- 2073 April 19th, 1999 J. Apostolakis - field-01-00-04
2185 2074
2186 G4MagErrorStepper: Cosmetic changes to name o 2075 G4MagErrorStepper: Cosmetic changes to name of data members
2187 2076
2188 March 4th, 1999 J. Apostolakis - field- 2077 March 4th, 1999 J. Apostolakis - field-01-00-03
2189 2078
2190 Corrected delete statement of arrays to use ' 2079 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45 2080 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192 2081
2193 February 17th, 1999 J. Apostolakis - field 2082 February 17th, 1999 J. Apostolakis - field-01-00-02
2194 2083
2195 Moved G4PropagatorInField files to geometry/ 2084 Moved G4PropagatorInField files to geometry/volumes.
2196 Updated GNUmakefile not to depend on geometr 2085 Updated GNUmakefile not to depend on geometry/volumes anymore.
2197 -> the known circular dependency is remove 2086 -> the known circular dependency is removed
2198 2087
2199 2088
2200 February 12th, 1999 J. Apostolakis - field 2089 February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
2201 2090
2202 A tag that contains the first version that 2091 A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory). G4PropagateInSpin is still in t 2092 directory). G4PropagateInSpin is still in this version. A small change
2204 in a branch of the header file was needed. 2093 in a branch of the header file was needed.
2205 2094
2206 2095
2207 February 10th, 1999 J. Apostolakis 2096 February 10th, 1999 J. Apostolakis
2208 2097
2209 All the following changes are needed for ener 2098 All the following changes are needed for energy integration also:
2210 2099
2211 G4ChordFinder now passes to the constructed d 2100 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a 2101 Because of the need for the stepper to know about it in its Abstract interface
2213 2102
2214 -> Moved theNumberOfVariables from derived c 2103 -> Moved theNumberOfVariables from derived class G4MagErrorStepper
2215 to base class 2104 to base class G4MagIntegratorStepper
2216 2105
2217 As a consequense the classes that derived fro 2106 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt 2107 were changed: G4CashKarpRKF45, G4MagHelicalStepper,
2219 2108
2220 2109
2221 February 9th, 1999 J. Apostolakis 2110 February 9th, 1999 J. Apostolakis
2222 2111
2223 Equation of Motion: 2112 Equation of Motion:
2224 G4MagEqRhs.hh Made SetChargeMomentumMass vir 2113 G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225 can initialise its constants 2114 can initialise its constants too.
2226 2115
2227 2116
2228 February 9th, 1999 P. Gumplinger 2117 February 9th, 1999 P. Gumplinger
2229 2118
2230 Added Equation of Motion for Spin in Magnetic 2119 Added Equation of Motion for Spin in Magnetic Field.
2231 2120
2232 2121
2233 February 17th, 1999 J. Apostolakis - fiel 2122 February 17th, 1999 J. Apostolakis - field-01-00-01
2234 ---> date is correct, made sure that tag d 2123 ---> date is correct, made sure that tag does not include above fixes!
2235 2124
2236 Moved G4PropagatorInField files to geometry/ 2125 Moved G4PropagatorInField files to geometry/volumes.
2237 Updated GNUmakefile not to depend on geometr 2126 Updated GNUmakefile not to depend on geometry/volumes anymore.
2238 -> the known circular dependency is remove 2127 -> the known circular dependency is removed
2239 2128
2240 2129
2241 --------------------------------------------- 2130 ---------------------------------------------------------------------------
2242 ------ Geant 4 Production Release - 2131 ------ Geant 4 Production Release ------------
2243 --------------------------------------------- 2132 --------------------------------------------------------------------------
2244 Nov 19th, 1998 J. Apostolakis - field-0 2133 Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
2245 2134
2246 G4PropagatorInField files modified: 2135 G4PropagatorInField files modified:
2247 2136
2248 - to store the last safety computed and it 2137 - to store the last safety computed and its origin.
2249 - to give them to a requester 2138 - to give them to a requester
2250 --------------------------------------------- 2139 ------------------------------------------------------------------
2251 2140
2252 Nov 19th, 1998 J. Apostolakis - field-0 2141 Nov 19th, 1998 J. Apostolakis - field-00-03-03b
2253 2142
2254 Subtle fix to interface of G4UniformMagField 2143 Subtle fix to interface of G4UniformMagField::GetFieldValue
2255 ( that tripped Visual C++ ) 2144 ( that tripped Visual C++ )
2256 2145
2257 G4PropagatorInField: added printing method 2146 G4PropagatorInField: added printing method for verboseness.
2258 2147
2259 Nov 19th, 1998 J. Apostolakis - field-0 2148 Nov 19th, 1998 J. Apostolakis - field-00-03-03a
2260 2149
2261 Steppers: Fixed instance variables constr 2150 Steppers: Fixed instance variables construction (SimpleRunge)
2262 and clash of names in CashKarp: 2151 and clash of names in CashKarp::StepWithEstimate
2263 2152
2264 Added post-const to all Field classes for 2153 Added post-const to all Field classes for
2265 void GetFieldValue(const G4double 2154 void GetFieldValue(const G4double yTrack[] ,
2266 G4double B[] 2155 G4double B[] ) const ;
2267 2156
2268 Added SetFieldValue methods to UniformMagF 2157 Added SetFieldValue methods to UniformMagField
2269 2158
2270 Added GetConstantFieldValue() methods to U 2159 Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271 2160
2272 2161
2273 Nov 19th, 1998 J. Apostolakis - field-0 2162 Nov 19th, 1998 J. Apostolakis - field-00-03-03
2274 2163
2275 Fixes to Propagate and Steppers 2164 Fixes to Propagate and Steppers
2276 2165
2277 Nov 19th, 1998 J. Apostolakis - field-0 2166 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2278 2167
2279 Minor corrections (???) 2168 Minor corrections (???)
2280 2169
2281 Nov 19th, 1998 J. Apostolakis - field-0 2170 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2282 2171
2283 Major development to allow Electric Field 2172 Major development to allow Electric Field
2284 2173
2285 2174
2286 2175
2287 June 17th, 1998 J. Apostolakis - magfiel 2176 June 17th, 1998 J. Apostolakis - magfield-06-03
2288 2177
2289 Modified Files: 2178 Modified Files:
2290 include/G4PropagatorInField.hh 2179 include/G4PropagatorInField.hh
2291 src/G4PropagatorInField.cc 2180 src/G4PropagatorInField.cc
2292 test/testPropagateInField.cc 2181 test/testPropagateInField.cc
2293 --------------------------------------------- 2182 ----------------------------------------------------------------------
2294 2183
2295 1) Added an assertion after each call to Lo 2184 1) Added an assertion after each call to LocateGlobalPointAndSetup.
2296 It checks that the located volume is equ 2185 It checks that the located volume is equal to the current volume.
2297 If this check fails, the Propagator does 2186 If this check fails, the Propagator does not know how to continue.
2298 2187
2299 2) Added an argument to ComputeStep method 2188 2) Added an argument to ComputeStep method of G4PropagatorInField.
2300 The new volume argument is used to check th 2189 The new volume argument is used to check the current volume during the step.
2301 2190
2302 3) When G4Navigator's ComputeStep returned 2191 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
2303 used to be treated as a failure to intersect. 2192 used to be treated as a failure to intersect. This is incorrect.
2304 2193
2305 stepLength==stepRequested is an intersect 2194 stepLength==stepRequested is an intersection,
2306 so I am now treating it as such in each 2195 so I am now treating it as such in each comparison (of 3).
2307 Ignoring it causes problems, including 2196 Ignoring it causes problems, including volume being skipped.
2308 --> but treating it as an intersection 2197 --> but treating it as an intersection used to cause problems too ??
2309 2198
2310 2199
2311 May 7th, 1998 J. Apostolakis - magfie 2200 May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
2312 2201
2313 - Tag includes new version of G4ChordFinder ( 2202 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314 2203
2315 2204
2316 May 7th, 1998 W. Wander (recorded/c 2205 May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
2317 2206
2318 - New "helical" RK steppers that move in heli 2207 - New "helical" RK steppers that move in helical segments, not linear.
2319 * Several changes to add steppers 2208 * Several changes to add steppers
2320 2209
2321 Modified Files: 2210 Modified Files:
2322 G4MagErrorStepper.hh 2211 G4MagErrorStepper.hh
2323 G4MagErrorStepper.cc 2212 G4MagErrorStepper.cc
2324 added Helical stepping methods to 2213 added Helical stepping methods to this general ABC.
2325 2214
2326 G4MagIntegratorStepper.hh 2215 G4MagIntegratorStepper.hh
2327 made RightHandSide virtual (this 2216 made RightHandSide virtual (this will be reversed very soon)
2328 2217
2329 testPropagateMagField.cc 2218 testPropagateMagField.cc
2330 Test of Helical stepping functiona 2219 Test of Helical stepping functionality added.
2331 2220
2332 Added Files for new Helical RK steppers, der 2221 Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333 G4HelixExplicitEuler.cc ( and .hh ) 2222 G4HelixExplicitEuler.cc ( and .hh )
2334 G4HelixHeum.cc 2223 G4HelixHeum.cc
2335 G4HelixImplicitEuler.cc 2224 G4HelixImplicitEuler.cc
2336 G4HelixSimpleRunge.cc 2225 G4HelixSimpleRunge.cc
2337 2226
2338 Added File for implementation: 2227 Added File for implementation:
2339 G4MagErrorStepper.icc 2228 G4MagErrorStepper.icc
2340 2229
2341 2230
2342 May 7th, 1998 J. Apostolakis - magfi 2231 May 7th, 1998 J. Apostolakis - magfield-06-01
2343 2232
2344 - added small changes to 2233 - added small changes to
2345 * G4ChordFinder: methods to get 2234 * G4ChordFinder: methods to get/set IntegratorDriver
2346 * G4MagIntegratorDriver: made OneGoodSt 2235 * G4MagIntegratorDriver: made OneGoodStep method public
2347 - created the file. 2236 - created the file.