| Geant4 Cross Reference |
1 # Category field History << 1 -------------------------------------------------------------------
2 <<
3 See `CONTRIBUTING.rst` for details of **requir <<
4 which **must** added in reverse chronological <<
5 It must **not** be used as a substitute for wr <<
6 <<
7 ---------------------------------------------- <<
8 <<
9 ## 2024-11-26 Ivana Hrivnacova (field-V11-02-0 <<
10 - Better names for the G4EquationType enum con <<
11 <<
12 ## 2024-11-04 Philippe Canal (field-V11-02-05) <<
13 - Improve stability of static initialization f <<
14 StepperDescription() in G4DormandPrince745. <<
15 <<
16 ## 2024-09-10 Ivana Hrivnacova (field-V11-02-0 <<
17 - Coverity fixes: <<
18 - Use std::move, const auto& instead of auto <<
19 <<
20 ## 2024-06-20 Ivana Hrivnacova (field-V11-02-0 <<
21 - Fix in G4FieldBuilder for local fields: <<
22 apply the local fields in the order of user <<
23 <<
24 ## 2024-04-29 Ivana Hrivnacova (field-V11-02-0 <<
25 - Added classes for automatic field constructi <<
26 - G4FieldBuilder[Messenger], G4FieldParamete <<
27 - No changes in other Geant4 classes <<
28 <<
29 ## 2024-04-17 Ben Morgan (field-V11-02-01) <<
30 - Fix maybe-uninitialized warnings found in AT <<
31 - Reported in internal ATLASSIM-6058 ticket. <<
32 <<
33 ## 2024-04-02 Gabriele Cosmo (field-V11-02-00) <<
34 - Applied trivial clang-tidy fixes to classes, <<
35 constructor/destructor, auto and using state <<
36 - Minor cleanup in QSS classes. <<
37 <<
38 ## 2023-11-03 Gabriele Cosmo (field-V11-01-06) <<
39 - Reinstated default DormandPrince745 stepper. <<
40 <<
41 ## 2023-10-27 Lucio Santi (field-V11-01-05) <<
42 - Improvements on the QSS Stepper <<
43 The main QSS integration loop is interrupted <<
44 exceeds a predefined threshold (set to 1000 <<
45 <<
46 ## 2023-06-14 Gabriele Cosmo (field-V11-01-04) <<
47 - Applied clang-tidy fixes (readability, moder <<
48 <<
49 ## 2023-06-12 John Apostolakis (field-V11-01-0 <<
50 - Inclusion of QSS integration method. <<
51 Most recent changes: <<
52 * Fixes for issue with SetPrecision (used un <<
53 * Updated values of parameters in G4Propagat <<
54 * Withdrew interim changes that made QSS the <<
55 <<
56 ## 2023-05-26 Lucio Santi <<
57 - Fixes for open issues: <<
58 * default values for QSS made stricter dQRel <<
59 to improve behaviour in full experiment te <<
60 * implemented missing DistChord method -- ne <<
61 <<
62 ## 2023-01-31 John Apostolakis <<
63 - Initial inclusion of QSS integration method. <<
64 Renamed classes to include 'G4' prefix, and <<
65 Added Geant4 disclaimer / license to files. <<
66 Removed QSSmessenger from RunManager and G4P <<
67 - Temporarily made QSS the default method for <<
68 <<
69 ## 2023-01-30 Rodrigo Castro, Lucio Santi & Le <<
70 - Included Quantum State Simulation (QSS) inte <<
71 Alternative method of integration which crea <<
72 functions for each coordinate (x,p) - changi <<
73 polynomials when the deviation from exact so <<
74 a threshold value. <<
75 Offers built-in interpolation capability - e <<
76 of the intersection of the trajectory with s <<
77 Currently restricted to using only with a pu <<
78 Created by Rodrigo Castro and Lucio Santi, w <<
79 by Leandro A. Gómez Vidal (and others?) <<
80 <<
81 ## 2023-03-16 Ben Morgan (field-V11-01-02) <<
82 - Fixed compilation warnings on clang-15 for m <<
83 in input parameters for steppers. <<
84 <<
85 ## 2023-01-09 Ben Morgan (field-V11-01-01) <<
86 - Use PROJECT_ scoped _SOURCE/BINARY_DIR varia <<
87 scope version to ease use of Geant4 as a CMa <<
88 - Fixes [GitHub PR #52](https://github.com/G <<
89 <<
90 ## 2022-12-09 Laurie Nevay (field- <<
91 - Reduced printout for setting any valid value <<
92 G4FieldManager. <<
93 <<
94 ## 2022-11-28 Gabriele Cosmo (field- <<
95 - Fixed restore of stream precision in G4Field <<
96 <<
97 ## 2022-11-14 John Apostolakis (field- <<
98 - Revised G4FieldManager to ensure that epsilo <<
99 are less than a 'maximum accepted' accuracy <<
100 behaviour of the integration. Improved their <<
101 - warnings if min > max, with corrective be <<
102 - a fatal exception in case of values outsi <<
103 <<
104 To cope with needs of legacy applications or <<
105 the value of the 'ceiling' maximum accepted <<
106 the new static method <<
107 G4FieldManager::SetMaxAcceptedEpsilon( <<
108 but must remain under or equal to a final ce <<
109 fMaxFinalEpsilon=0.03 <<
110 <<
111 ## 2022-11-10 Gabriele Cosmo (field-V11-00-03) <<
112 - Fixed compilation warnings for implicit type <<
113 <<
114 ## 2022-11-05 Divyansh Tiwari, John Apostolaki <<
115 <<
116 - Introduced G4BorisScheme and G4BorisDriver, <<
117 integration method, created as part of GSoC <<
118 <<
119 ## 2022-10-05 Gabriele Cosmo (field-V11-00-01) <<
120 - Fixed compilation warnings on Intel/icx comp <<
121 but not used. <<
122 <<
123 ## 2021-12-10 Ben Morgan (field-V11-00-00) <<
124 - Change to new Markdown History format <<
125 <<
126 --- <<
127 <<
128 # History entries prior to 11.0 <<
129 <<
130 March 30, 2021 B.Morgan <<
131 ----------------------- <<
132 - Migrate sources.cmake to modular build API <<
133 2
>> 3 =========================================================
>> 4 Geant4 - an Object-Oriented Toolkit for Simulation in HEP
>> 5 =========================================================
>> 6
>> 7 Category History file
>> 8 ---------------------
>> 9 This file should be used by G4 developers and category coordinators
>> 10 to briefly summarize all major modifications introduced in the code
>> 11 and keep track of all category-tags.
>> 12 It DOES NOT substitute the CVS log-message one should put at every
>> 13 committal in the CVS repository !
>> 14
>> 15 ----------------------------------------------------------
>> 16 * Reverse chronological order (last date on top), please *
>> 17 ----------------------------------------------------------
134 November 26, 2020 J.Apostolakis 18 November 26, 2020 J.Apostolakis - field-V10-06-09
135 ------------------------------- 19 -------------------------------
136 - Fix to enable G4TDormandPrince45 to be used 20 - Fix to enable G4TDormandPrince45 to be used with G4InterpolationDriver.
137 21
138 This fix was needed because G4Interpolation 22 This fix was needed because G4Interpolation driver creates additional
139 copies of the stepper class. Due to this it 23 copies of the stepper class. Due to this it must obtain the equation
140 with the type of the templated stepper. 24 with the type of the templated stepper.
141 25
142 For a stepper to be used with 'G4Interpolati 26 For a stepper to be used with 'G4InterpolationDriver', it must
143 implement the method 27 implement the method
144 Equation_type GetSpecificEquation() 28 Equation_type GetSpecificEquation()
145 Templated steppers must ensure that the retu 29 Templated steppers must ensure that the return type 'Equation_type'
146 is the specific equation type of the templat 30 is the specific equation type of the template.
147 31
148 This method was added to G4DormandPrince745 32 This method was added to G4DormandPrince745 and G4TDormandPrince745.
149 33
150 October 12, 2020 J.Apostolakis 34 October 12, 2020 J.Apostolakis - field-V10-06-08
151 ------------------------------ 35 ------------------------------
152 - Fixes & refinements - mostly in templated cl 36 - Fixes & refinements - mostly in templated classes, tests.
153 Compilation fixes, e.g. missing include <cas 37 Compilation fixes, e.g. missing include <cassert>.
154 Refinements, e.g. int -> unsigned int in tem 38 Refinements, e.g. int -> unsigned int in templates
155 39
156 October 9, 2020 J.Apostolakis 40 October 9, 2020 J.Apostolakis - field-V10-06-07
157 ----------------------------- 41 -----------------------------
158 - Configure G4ChordFinder to use templated G4T 42 - Configure G4ChordFinder to use templated G4TDormandPrince45 as the
159 default stepper for magnetic fields (when on << 43 default stepper for magnetic fields (when one is not chosen
160 explicitly by the application.) 44 explicitly by the application.)
161 45
162 October 9, 2020 J.Apostolakis & J. Xie 46 October 9, 2020 J.Apostolakis & J. Xie - field-V10-06-06
163 -------------------------------------- 47 --------------------------------------
164 - Adapted classes that avoid virtual calls for 48 - Adapted classes that avoid virtual calls for field, equation, stepper
165 created by Josh Xie (Google Summer of Code 2 49 created by Josh Xie (Google Summer of Code 2014), supervised by
166 S. Wenzel & J.A. 50 S. Wenzel & J.A.
167 51
168 The revised design and implementations inclu 52 The revised design and implementations include:
169 * equation of motion templated on the field 53 * equation of motion templated on the field type;
170 * steppers templated on the type of equatio 54 * steppers templated on the type of equation and the number of integration
171 variables. 55 variables.
172 In addition the key methods are marked as 'i 56 In addition the key methods are marked as 'inline' to enable compilers, where
173 they judge possible, to embed them and avoid 57 they judge possible, to embed them and avoid any function calls.
174 58
175 These classes can be combined also with the 59 These classes can be combined also with the templated drivers
176 (G4IntegrationStepper, G4FSALIntegrationStep 60 (G4IntegrationStepper, G4FSALIntegrationStepper and/or G4InterpolationDriver
177 to avoid virtual calls in all the levels up 61 to avoid virtual calls in all the levels up to the chord finder's call to
178 the integration driver. ] 62 the integration driver. ]
179 63
180 The types of stepper currently available are 64 The types of stepper currently available are
181 i) the originally developed intermediate ord 65 i) the originally developed intermediate order stepper:
182 66
183 - Name (templated) - original -- Order/ 67 - Name (templated) - original -- Order/ - Comments
184 / E 68 / Embdedded
185 =========================================== 69 ==============================================================================
186 G4TClassicalRK4: G4ClassicalRK4 4th / 70 G4TClassicalRK4: G4ClassicalRK4 4th / no robust, old default
187 G4TCashKarpRKF45: G4CashKarpRKF45 5th / 71 G4TCashKarpRKF45: G4CashKarpRKF45 5th / yes first embedded RK in G4
188 72
189 ii) the original low order steppers (for spe << 73 ii) the original low order steppers (for specialised uses)
190 G4TSimpleHeum: G4SimpleHeum 3rd / 74 G4TSimpleHeum: G4SimpleHeum 3rd / no lower order alternative
191 G4TSimpleRunge: G4SimpleRunge 2nd / 75 G4TSimpleRunge: G4SimpleRunge 2nd / no very low order
192 G4TExplicitEuler: G4ExplicitEuler 1st / 76 G4TExplicitEuler: G4ExplicitEuler 1st / no lowest order - for checks only
193 77
194 and 78 and
195 iii) some newly adapted stepper(s) / ( J.A. 79 iii) some newly adapted stepper(s) / ( J.A. Oct 2020 )
196 G4TDormandPrince45 G4DormandPrince745 5th/ 80 G4TDormandPrince45 G4DormandPrince745 5th/ yes default / preferred
197 =========================================== 81 ==============================================================================
198 << 82
199 Note: Additional lower-order steppers are no 83 Note: Additional lower-order steppers are not yet available.
200 'Vector' steppers (using blaze) are no 84 'Vector' steppers (using blaze) are not supported.
201 85
202 Experimental versions of fields with inline 86 Experimental versions of fields with inline methods:
203 G4TUniformMagField, G4TQuadrupoleMagFiel 87 G4TUniformMagField, G4TQuadrupoleMagField
204 are included to show how the field evaluatio 88 are included to show how the field evaluation GetFieldValue can also be inlined.
205 89
206 Note 2: 90 Note 2:
207 Steppers which are not embedded obtain their 91 Steppers which are not embedded obtain their error estimates by
208 breaking the step into two halves, then comp 92 breaking the step into two halves, then comparing with the whole step.
209 As a result many more field / derivative eva 93 As a result many more field / derivative evaluations are needed than
210 embedded steppers of the same order, but the 94 embedded steppers of the same order, but the reliability of their error
211 estimation has different properties; so it m 95 estimation has different properties; so it may be more robust in some cases. )
212 96
213 June 15, 2020 G.Cosmo 97 June 15, 2020 G.Cosmo - field-V10-06-05
214 --------------------- 98 ---------------------
215 - Implemented move constructor and operator fo 99 - Implemented move constructor and operator for G4FieldTrack.
216 100
217 March 24, 2020 J.Apostolakis 101 March 24, 2020 J.Apostolakis - field-V10-06-04
218 ---------------------------- 102 ----------------------------
219 - New class G4DriverReporter to print progress 103 - New class G4DriverReporter to print progress of drivers.
220 Used for debugging differences between Old 104 Used for debugging differences between Old & fixed MagIntDriver
221 - Revisions in testing CMake config file and s 105 - Revisions in testing CMake config file and stepper/driver test
222 for magnetic field. 106 for magnetic field.
223 107
224 March 13, 2020 J.Apostolakis 108 March 13, 2020 J.Apostolakis - field-V10-06-03
225 ---------------------------- 109 ----------------------------
226 - G4VIntegrationDriver & dependent driver clas 110 - G4VIntegrationDriver & dependent driver classes:
227 Added new virtual StreamInfo() method, 111 Added new virtual StreamInfo() method,
228 & used it to implement operator << for 112 & used it to implement operator << for G4VIntegrationDriver
229 Made (virtual) DoesReIntegrate() const. 113 Made (virtual) DoesReIntegrate() const.
230 - G4MagInt_Driver: Fixed max iterations & clar 114 - G4MagInt_Driver: Fixed max iterations & clarified that its
231 ComputeNewStepSize does NOT (yet) respect 115 ComputeNewStepSize does NOT (yet) respect maximum reduction factor (0.1).
232 ( Done to enable comparisons with new G4Inte 116 ( Done to enable comparisons with new G4IntegrationDriver<> implementation.)
233 - G4OldMagIntDriver maintains all old behaviou 117 - G4OldMagIntDriver maintains all old behaviour of G4MagInt_Driver.
234 118
235 119
236 January 22, 2020 G.Cosmo 120 January 22, 2020 G.Cosmo - field-V10-06-02
237 ------------------------ 121 ------------------------
238 - Fixed compilation errors and configuration f 122 - Fixed compilation errors and configuration for field07 unit test.
239 123
240 January 13, 2020 G.Cosmo 124 January 13, 2020 G.Cosmo - field-V10-06-01
241 ------------------------ 125 ------------------------
242 - Turn off verbosity flags by default in G4Int 126 - Turn off verbosity flags by default in G4IntegratorDriver,
243 G4InterpolationDriver and G4MagIntegratorDri 127 G4InterpolationDriver and G4MagIntegratorDriver.
244 128
245 December 10, 2019 B.Morgan 129 December 10, 2019 B.Morgan - field-V10-06-00
246 -------------------------- 130 --------------------------
247 - Cleanup CMake build, removing obsolete granu 131 - Cleanup CMake build, removing obsolete granular library options and
248 explicit include_directories. 132 explicit include_directories.
249 133
250 November 14, 2019 J.Apostolakis 134 November 14, 2019 J.Apostolakis - field-V10-05-17
251 ------------------------------- 135 -------------------------------
252 - Added method / attribute to G4VIntegrationDr 136 - Added method / attribute to G4VIntegrationDriver DoesReIntegrate()
253 to inform whether the driver recomputes seg 137 to inform whether the driver recomputes segment when
254 AccurateAdvance is called. 138 AccurateAdvance is called.
255 139
256 October 27, 2019 D.Sorokin 140 October 27, 2019 D.Sorokin - field-V10-05-16
257 ---------------------------- 141 ----------------------------
258 - Remove statistics printouts from destructor 142 - Remove statistics printouts from destructor of G4BFieldIntegrationDriver
259 143
260 October 24, 2019 H.Burkhardt 144 October 24, 2019 H.Burkhardt - field-V10-05-15
261 ---------------------------- 145 ----------------------------
262 - Standard sextupole magnet first implementati 146 - Standard sextupole magnet first implementation G4SextupoleMagField.cc,.hh
263 147
264 October 18, 2019 D. Sorokin 148 October 18, 2019 D. Sorokin - field-V10-05-14
265 ----------------------------------------- 149 -----------------------------------------
266 - Fix floating point exception in G4BFieldInte 150 - Fix floating point exception in G4BFieldIntegrationDriver.
267 151
268 October 1, 2019 G. Cosmo 152 October 1, 2019 G. Cosmo - field-V10-05-13
269 ----------------------------------------- 153 -----------------------------------------
270 - Fixed unitialised data in G4EqMagElectricFie 154 - Fixed unitialised data in G4EqMagElectricField and G4EqGravityField,
271 reported by Coverity. 155 reported by Coverity.
272 156
273 September 12, 2019 G. Cosmo 157 September 12, 2019 G. Cosmo - field-V10-05-12
274 ----------------------------------------- 158 -----------------------------------------
275 - Minor C++11 revision. Code formatting and cl 159 - Minor C++11 revision. Code formatting and cleanup.
276 160
277 July 8, 2019 D. Sorokin 161 July 8, 2019 D. Sorokin - field-V10-05-11
278 ----------------------------------------- 162 -----------------------------------------
279 - G4BFieldIntegrationDriver: an attempt to sol << 163 - G4BFieldIntegrationDriver: an attempt to solve looping particle issue.
280 164
281 July 3, 2019 D. Sorokin 165 July 3, 2019 D. Sorokin - field-V10-05-10
282 ----------------------------------------- 166 -----------------------------------------
283 - Make G4InterpolationDriver default for perfo 167 - Make G4InterpolationDriver default for performance assessments.
284 168
285 June 25, 2019 D. Sorokin 169 June 25, 2019 D. Sorokin - field-V10-05-09
286 ----------------------------------------- 170 -----------------------------------------
287 - Fix Dormand-Prince 5th order interpolation m 171 - Fix Dormand-Prince 5th order interpolation method
288 172
289 June 20, 2019 D. Sorokin 173 June 20, 2019 D. Sorokin - field-V10-05-08
290 ----------------------------------------- 174 -----------------------------------------
291 - New version of G4InterpolationDriver with mu 175 - New version of G4InterpolationDriver with multiple steppers for each substep.
292 176
293 June 12, 2019 D. Sorokin & J. Apostolakis 177 June 12, 2019 D. Sorokin & J. Apostolakis - field-V10-05-07
294 ----------------------------------------- 178 -----------------------------------------
295 - Revert to use G4IntegrationDriver as default << 179 - Revert to use G4IntegrationDriver as default in G4ChordFinder
296 ( c-tor for magnetic field. ). 180 ( c-tor for magnetic field. ).
297 Change to use concrete type of Stepper as te 181 Change to use concrete type of Stepper as template parameter
298 182
299 June 10, 2019 Dmitry Sorokin 183 June 10, 2019 Dmitry Sorokin - field-V10-05-06
300 ------------------------- 184 -------------------------
301 - Remove division in G4DormandPrince745::Inter 185 - Remove division in G4DormandPrince745::Interpolate4thOrder.
302 186
303 June 7, 2019 Dmitry Sorokin 187 June 7, 2019 Dmitry Sorokin - field-V10-05-05
304 ------------------------- 188 -------------------------
305 - Switch to original chord finding algorithm i 189 - Switch to original chord finding algorithm in G4InterpolationDriver
306 - Reset step estimate in G4MagInt_Driver only 190 - Reset step estimate in G4MagInt_Driver only at the beginning of a track
307 - Change G4VERBOSE to G4FIELD_DEBUG in G4Inter 191 - Change G4VERBOSE to G4FIELD_DEBUG in G4InterpolationDriver to speed-up
308 192
309 June 4, 2019 Dmitry Sorokin 193 June 4, 2019 Dmitry Sorokin - field-V10-05-04
310 ------------------------- 194 -------------------------
311 - Use FSAL property of G4DormandPrince745 in G 195 - Use FSAL property of G4DormandPrince745 in G4InterpolationDriver.
312 196
313 June 3, 2019 Dmitry Sorokin 197 June 3, 2019 Dmitry Sorokin - field-V10-05-03
314 ------------------------- 198 -------------------------
315 - Fix memory churn in G4InterpolationDriver. 199 - Fix memory churn in G4InterpolationDriver.
316 200
317 May 20, 2019 Dmitry Sorokin 201 May 20, 2019 Dmitry Sorokin - field-V10-05-02
318 ------------------------- 202 -------------------------
319 - Make interpolation driver default for immedi 203 - Make interpolation driver default for immediate testing.
320 204
321 April 8, 2019 H.Burkhardt 205 April 8, 2019 H.Burkhardt - field-V10-05-01
322 ------------------------- 206 -------------------------
323 - Correcting transformation to local system in 207 - Correcting transformation to local system in G4QuadrupoleMagField.cc
324 208
325 March 20, 2019 G.Cosmo 209 March 20, 2019 G.Cosmo - field-V10-05-00
326 ---------------------- 210 ----------------------
327 - Corrected 'RegularStepperName' in G4ChordFin 211 - Corrected 'RegularStepperName' in G4ChordFinder to refer to the actual
328 default stepper G4DormandPrince745 rather th 212 default stepper G4DormandPrince745 rather than G4NystromRK4...
329 213
330 November 9, 2018 J.Apostolakis 214 November 9, 2018 J.Apostolakis - field-V10-04-17
331 ------------------------------ 215 ------------------------------
332 - Small fixes for warnings in compilation. 216 - Small fixes for warnings in compilation.
333 - Revisions of descriptions of recent tags (fo 217 - Revisions of descriptions of recent tags (for clarification.)
334 218
335 September 26, 2018 D.Sorokin 219 September 26, 2018 D.Sorokin - field-V10-04-15, -16
336 ---------------------------- 220 ----------------------------
337 - Implemented G4InterpolationDriver. This driv 221 - Implemented G4InterpolationDriver. This driver uses a Runge-Kutta
338 stepper with interpolation property to integ 222 stepper with interpolation property to integrate EoM with error control.
339 The field evaluations used to calculate the 223 The field evaluations used to calculate the enpoint of an 'advance' can
340 be reused to obtain one or multiple internal 224 be reused to obtain one or multiple internal points on the curve (x,p).
341 So in steps in which an intersection is foun 225 So in steps in which an intersection is found, the number of field
342 evaluations are expected to be reduced subst 226 evaluations are expected to be reduced substantially.
343 227
344 September 13, 2018 D.Sorokin 228 September 13, 2018 D.Sorokin - field-V10-04-13, -14
345 ---------------------------- 229 ----------------------------
346 - G4NystromRK4 creates G4CachedMagneticField i 230 - G4NystromRK4 creates G4CachedMagneticField if it was not provided.
347 - Removed G4MagIntegratorStepper::ComputeRight 231 - Removed G4MagIntegratorStepper::ComputeRightHandSide() method
348 (all calls now use non-virtual RightHandSide 232 (all calls now use non-virtual RightHandSide() method instead).
349 - Reversed declaration of final for the class 233 - Reversed declaration of final for the class G4UniformMagField.
350 Returned to previous status: only GetFieldVa 234 Returned to previous status: only GetFieldValue method is final.
351 ( This avoid need to change examples/tests a << 235 ( This avoid need to change examples/tests and potentially migrate
352 users' code. ) << 236 users' code. )
353 237
354 September 12, 2018 D.Sorokin 238 September 12, 2018 D.Sorokin - field-V10-04-11, -12
355 ---------------------------- 239 ----------------------------
356 - Created new experimental driver G4BFieldInte 240 - Created new experimental driver G4BFieldIntegrationDriver for pure
357 magnetic fields. In QuickAdvance it uses he 241 magnetic fields. In QuickAdvance it uses helix stepper when the
358 estimated 'helix' rotation angle is larger t 242 estimated 'helix' rotation angle is larger than pi/3.
359 - G4NystromRK4 uses G4CachedMagneticField for 243 - G4NystromRK4 uses G4CachedMagneticField for caching values.
360 NOTE: It now the user's responsibility to cr << 244 NOTE: It now the user's responsibility to create G4CachedMagneticField.
361 ( The alternative is to create G4CachedMagne 245 ( The alternative is to create G4CachedMagneticField inside G4NystromRK4.
362 But this would have several disadvantages: 246 But this would have several disadvantages:
363 * It would change the field in the user's 247 * It would change the field in the user's equation of motion;
364 * G4NystromRK4 is not able to check whethe 248 * G4NystromRK4 is not able to check whether the user calls the method
365 that changes the equation using SetEquat 249 that changes the equation using SetEquationOfMotion method. )
366 250
367 July 10, 2018 D. Sorokin - field- 251 July 10, 2018 D. Sorokin - field-V10-04-08, -09, -10
368 ------------------------ Tags by J. Apostolaki 252 ------------------------ Tags by J. Apostolakis
369 - Corrections in calculation of chord distance 253 - Corrections in calculation of chord distance in G4DormandPrince745
370 ( use 4th order interpolation from Shampine 254 ( use 4th order interpolation from Shampine 1986 for mid-point. )
371 - Revised G4FieldUtils: moved copy() method fr 255 - Revised G4FieldUtils: moved copy() method from steppers,
372 added 2 new setValue: simple & variadic meth 256 added 2 new setValue: simple & variadic methods.
373 - Fixes to copy input time in ModifiedMidpoint 257 - Fixes to copy input time in ModifiedMidpoint, CashKarp, G4RK547FEq1/2/3
374 Bogacki-Shampine 4/5 and 2/3 (note: B-S 2/3 258 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 259 Dormand Prince 4/5, 5/6 and 7/8, and Tsitouras steppers.
376 - Trial revision in G4BulirschStoer to reduce 260 - Trial revision in G4BulirschStoer to reduce number of division
377 operations (J.A.) 261 operations (J.A.)
378 - Fix for unitialised pIntStepper pointer in G 262 - Fix for unitialised pIntStepper pointer in G4FSALIntegrationDriver
379 constructor. Revision of data member variab 263 constructor. Revision of data member variable names. ( J.A. )
380 << 264
381 June 15, 2018 G.Cosmo - fiel 265 June 15, 2018 G.Cosmo - field-V10-04-07
382 --------------------- 266 ---------------------
383 - Fixed minor Coverity defects in G4BurlischSt 267 - Fixed minor Coverity defects in G4BurlischStoer and G4ModifiedMidPoint.
384 Code cleanup. 268 Code cleanup.
385 269
386 June 13, 2018 G.Cosmo - fiel 270 June 13, 2018 G.Cosmo - field-V10-04-06
387 --------------------- 271 ---------------------
388 - Leave override final only for clone() method 272 - Leave override final only for clone() method in G4UniformMagField,
389 not in destructor... 273 not in destructor...
390 274
391 June 12, 2018 G.Cosmo - fiel 275 June 12, 2018 G.Cosmo - field-V10-04-05
392 --------------------- 276 ---------------------
393 - Use G4Exception warnings instead of streamin 277 - Use G4Exception warnings instead of streaming to cerr.
394 - Added override final for virtual methods in 278 - Added override final for virtual methods in G4UniformMagField (J.Apostolakis).
395 - Some code cleanup. 279 - Some code cleanup.
396 280
397 Apr 30, 2018 J. Apostolakis - fiel 281 Apr 30, 2018 J. Apostolakis - field-V10-04-04
398 --------------------------- 282 ---------------------------
399 - G4VIntegrationDriver and derived classes 283 - G4VIntegrationDriver and derived classes
400 284
401 Added new virtual method in G4VIntegrationDr 285 Added new virtual method in G4VIntegrationDriver :
402 void RenewStepperAndAdjust(G4MagIntegrat 286 void RenewStepperAndAdjust(G4MagIntegratorStepper *pItsStepper)
403 which used to exist in G4MagInt_Driver. << 287 which used to exist in G4MagInt_Driver.
404 ( Its absence caused a problem in some exist 288 ( Its absence caused a problem in some existing user code since 10.4. )
405 289
406 This method must be defined in those derived 290 This method must be defined in those derived driver classes which accept
407 a Runge Kutta stepper ( i.e. some or any typ 291 a Runge Kutta stepper ( i.e. some or any type of G4MagIntegratorStepper )
408 292
409 - G4IntegrationDriver, G4FSALIntegrationDriver 293 - G4IntegrationDriver, G4FSALIntegrationDriver
410 Defined default implementation (which throws << 294 Defined default implementation (which throws a Fatal G4Exception), and
411 implementations in the templated classes G4I 295 implementations in the templated classes G4IntegrationDriver and
412 G4FSALIntegrationDriver which check the type 296 G4FSALIntegrationDriver which check the type (via dynamic cast) and
413 change the stepper if it is appropriate. 297 change the stepper if it is appropriate.
414 298
415 Feb 13, 2018 J. Apostolakis - fiel 299 Feb 13, 2018 J. Apostolakis - field-V10-04-03
416 --------------------------- 300 ---------------------------
417 - Change in G4FieldManager::CreateChordFinder << 301 - Change in G4FieldManager::CreateChordFinder to cope
418 better with case that field argument is null 302 better with case that field argument is null.
419 303
420 Feb 13, 2018 D. Sorokin - fiel 304 Feb 13, 2018 D. Sorokin - field-V10-04-01
421 ----------------------- - fiel 305 ----------------------- - field-V10-04-02 (comp. fix)
422 - Introduced Bulirsch-Stoer method of integrat 306 - Introduced Bulirsch-Stoer method of integration, an alternative
423 to Runge-Kutta based on the mid-point method 307 to Runge-Kutta based on the mid-point method.
424 Separate driver derived G4VIntegrationDriver 308 Separate driver derived G4VIntegrationDriver and implemented
425 using specialisation of G4IntegrationDriver 309 using specialisation of G4IntegrationDriver template class.
426 Note: this method does not have a RK 'Steppe 310 Note: this method does not have a RK 'Stepper' !
427 311
428 Jan 31, 2018 J. Apostolakis 312 Jan 31, 2018 J. Apostolakis
429 --------------------------- 313 ---------------------------
430 - G4MagneticField no longer inherits from G4El 314 - G4MagneticField no longer inherits from G4ElectroMagneticField
431 This was incorrect, and allowed a user to pr << 315 This was incorrect, and allowed a user to provide a full EM
432 field, but obtain the force only from the B- 316 field, but obtain the force only from the B-field when using
433 the equation created in the G4ChordFinder co 317 the equation created in the G4ChordFinder constructor.
434 => potential interface change. 318 => potential interface change.
435 319
436 Result: It is no longer possible to use the << 320 Result: It is no longer possible to use the equation of motion for a
437 pure magnetic field for the case of a mix 321 pure magnetic field for the case of a mixed electromagnetic field.
438 This change is desired, and is a *protect 322 This change is desired, and is a *protection* as that inadvertent
439 use led to incorrect results. << 323 use led to incorrect results.
440 Instead the full chain of classes for equati 324 Instead the full chain of classes for equation of full EM field,
441 steppers and driver must be used for the 325 steppers and driver must be used for the case of the 'full' EM field.
442 326
443 Feb 9, 2017 G.Cosmo - fiel 327 Feb 9, 2017 G.Cosmo - field-V10-04-00
444 ------------------- 328 -------------------
445 - Removed static data from G4FSALIntegrationDr 329 - Removed static data from G4FSALIntegrationDriver, G4IntegrationDriver and
446 G4MagIntegratorDriver and moved to base clas 330 G4MagIntegratorDriver and moved to base class as normal data members.
447 Fix required for allowing proper symbol expo 331 Fix required for allowing proper symbol exporting on Windows DLLs.
448 332
449 Nov 17, 2017 J. Apostolakis - fiel 333 Nov 17, 2017 J. Apostolakis - field-V10-03-30
450 --------------------------- 334 ---------------------------
451 - G4ChordFinder: Reinstated old driver G4MagIn << 335 - G4ChordFinder: Reinstated old driver G4MagInt_Drv, for use
452 with G4DormandPrince745 (5th order) in G4C 336 with G4DormandPrince745 (5th order) in G4ChordFinder's
453 2nd constructor (with magnetic field.) 337 2nd constructor (with magnetic field.)
454 ( Reverses change made in field-V10-03-27 ) 338 ( Reverses change made in field-V10-03-27 )
455 339
456 Nov 16, 2017 J. Apostolakis - fiel 340 Nov 16, 2017 J. Apostolakis - field-V10-03-29
457 --------------------------- 341 ---------------------------
458 - Suppressed statistics printing in G4ChordFin 342 - Suppressed statistics printing in G4ChordFinder and new drivers
459 ( G4IntegrationDriver and G4FSALIntegration 343 ( G4IntegrationDriver and G4FSALIntegrationDriver )
460 protecting them by verbosity flags. 344 protecting them by verbosity flags.
461 << 345
462 - Minor fix to initialise scalar data member i 346 - Minor fix to initialise scalar data member in new steppers
463 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3. << 347 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3.
464 Fixes coverity issues 97886, 97888 and 97889 348 Fixes coverity issues 97886, 97888 and 97889.
465 349
466 350
467 Nov 14, 2017 J. Apostolakis - fiel 351 Nov 14, 2017 J. Apostolakis - field-V10-03-28
468 --------------------------- 352 ---------------------------
469 - Suppressed extra verbosity in G4ChordFinder. 353 - Suppressed extra verbosity in G4ChordFinder.
470 - Fix in G4FSALDormandPrince745 for unitialise 354 - Fix in G4FSALDormandPrince745 for unitialised variables.
471 Initialise ak8[], ak9[] in constructor. This 355 Initialise ak8[], ak9[] in constructor. This avoids repeated
472 memory allocation, without deletion - i.e. a 356 memory allocation, without deletion - i.e. a memory leak.
473 - Initialise fLastStepLength and/or fAuxSteppe << 357 - Initialise fLastStepLength and/or fAuxStepper data members in
474 in constructors of G4DormandPrince745 and G4 358 in constructors of G4DormandPrince745 and G4FSALDormandPrince745.
475 Coverity issues: 67394 (G4FSALDormandPrince7 359 Coverity issues: 67394 (G4FSALDormandPrince745)
476 67391 (G4DormandPrince7 360 67391 (G4DormandPrince745)
477 361
478 Nov 14, 2017 J. Apostolakis - fiel 362 Nov 14, 2017 J. Apostolakis - field-V10-03-27 (fixed)
479 --------------------------- - fiel 363 --------------------------- - field-V10-03-26
480 - G4ChordFinder: changes in default stepper & 364 - G4ChordFinder: changes in default stepper & driver in 2nd constructor.
481 in which only a magnetic field is provided ( 365 in which only a magnetic field is provided (used widely) :
482 << 366
483 * Reinstated G4DormandPrince745 (5th order) 367 * Reinstated G4DormandPrince745 (5th order) as default in G4ChordFinder.
484 (corrected -23, which missed to initialise 368 (corrected -23, which missed to initialise driver.)
485 369
486 * New templated driver G4IntegrationDriver i << 370 * New templated driver G4IntegrationDriver is chosen for the
487 the simple constuctors of G4ChordFinder an 371 the simple constuctors of G4ChordFinder and G4FieldManager
488 which only require a (pure) magnetic field 372 which only require a (pure) magnetic field. ( Details below.)
489 373
490 Additional information and details: 374 Additional information and details:
491 * New optional parameter to constructor of G 375 * New optional parameter to constructor of G4ChordFinder which
492 allow to create an FSAL stepper and corres 376 allow to create an FSAL stepper and corresponding driver instead.
493 This aims to reuse some derivatives, thus 377 This aims to reuse some derivatives, thus reducing computations
494 of derivatives and thus field evaluations. 378 of derivatives and thus field evaluations. )
495 379
496 * The templated 'driver' classes, available << 380 * The templated 'driver' classes, available and now chosen in
497 G4ChordFinder's 2nd constructor, are used 381 G4ChordFinder's 2nd constructor, are used per type of stepper
498 class: 382 class:
499 - G4IntegrationDriver for non-FSAL 383 - G4IntegrationDriver for non-FSAL steppers
500 - G4FSALIntegrationDriver for FSAL-capab 384 - G4FSALIntegrationDriver for FSAL-capable steppers
501 These make non-virtual calls to the steppe 385 These make non-virtual calls to the stepper, as they know its type.
502 386
503 - First fix in G4FSALDormandPrince745 for memo << 387 - First fix in G4FSALDormandPrince745 for memory leak, missing
504 delete[] fInitialDyDx in destructor. Coverit 388 delete[] fInitialDyDx in destructor. Coverity issue: 96383.
505 389
506 ---------------------------------------------- 390 ----------------------------------------------------------------------
507 Multiple tags (below) were to better test step 391 Multiple tags (below) were to better test stepper/driver combinations:
508 Date Tagger Tag name Stepper 392 Date Tagger Tag name Stepper Driver
509 ============================================== 393 ======================================================================
510 Nov 3, D. Sorokin field-V10-03-25 G4FSALBo << 394 Nov 3, D. Sorokin field-V10-03-25 G4FSALBogackiShampine45 FSAL
511 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDo 395 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDormandPrince745 FSAL ok
512 Nov 2, J. Apostolakis field-V10-03-23 G4Dorman << 396 Nov 2, J. Apostolakis field-V10-03-23 G4DormandPrince745 new
513 Nov 2, J. Apostolakis field-V10-03-22 G4RK547F 397 Nov 2, J. Apostolakis field-V10-03-22 G4RK547FEq1 FSAL ok
514 ---------------------------------------------- 398 ----------------------------------------------------------------------
515 Glossary of drivers: 399 Glossary of drivers:
516 the FSAL driver = using G4FSALIntegrationDr 400 the FSAL driver = using G4FSALIntegrationDriver (templated)
517 the new driver = using G4IntegrationDriver 401 the new driver = using G4IntegrationDriver (templated)
518 ============================================== 402 ===================================================================
519 403
520 Nov 2, 2017 D. Sorokin - fiel 404 Nov 2, 2017 D. Sorokin - field-V10-03-21
521 --------------------------------------- 405 ---------------------------------------
522 - Added new steppers G4RK547FEq{1,2,3} which i << 406 - Added new steppers G4RK547FEq{1,2,3} which implement 7 stage embedded
523 Runge-Kutta 4,5 pairs with: 407 Runge-Kutta 4,5 pairs with:
524 - FSAL property (return derivative at end 408 - FSAL property (return derivative at endpoint for use in next step),
525 - stable equilibrium states ( improved ha 409 - stable equilibrium states ( improved handling of difficulties in
526 integration: better stability in choo 410 integration: better stability in choosing step size. )
527 Each one can be used with all existing Runge 411 Each one can be used with all existing Runge-Kutta drivers:
528 - G4FSALIntegrationDriver, using its FSAL 412 - G4FSALIntegrationDriver, using its FSAL property;
529 - G4IntegrationDriver without its FSAL 413 - G4IntegrationDriver without its FSAL property.
530 - the original G4MagInt_Driver, also igno 414 - the original G4MagInt_Driver, also ignoring FSAL.
531 415
532 - Reinstated G4DormandPrince745 ( known widel 416 - Reinstated G4DormandPrince745 ( known widely as DOPRI5 ) as
533 the default RK method in G4ChordFinder for p 417 the default RK method in G4ChordFinder for pure magnetic fields.
534 ( Withdrew G4BogackiShampine45. ) J. Apos 418 ( Withdrew G4BogackiShampine45. ) J. Apostolakis
535 << 419
536 Nov 1, 2017 J. Apostolakis - fiel 420 Nov 1, 2017 J. Apostolakis - field-V10-03-20
537 --------------------------- 421 ---------------------------
538 - Made G4BogackiShampine45 the default RK meth 422 - Made G4BogackiShampine45 the default RK method in G4ChordFinder
539 for pure magnetic fields. 423 for pure magnetic fields.
540 424
541 Oct 30, 2017 D. Sorokin/J.Apostolakis - fiel 425 Oct 30, 2017 D. Sorokin/J.Apostolakis - field-V10-03-19
542 --------------------------------------- 426 ---------------------------------------
543 - add GetStepper method to G4VIntegrationDrive 427 - add GetStepper method to G4VIntegrationDriver for backward compatibility
544 428
545 Oct 20, 2017 D. Sorokin - fiel 429 Oct 20, 2017 D. Sorokin - field-V10-03-18
546 --------------------------------------- 430 ---------------------------------------
547 Introduced base class for any driver algorithm 431 Introduced base class for any driver algorithm (G4VIntegrationDriver)
548 New concrete classes added: 432 New concrete classes added:
549 - G4IntegrationDriver: implementation of templ 433 - G4IntegrationDriver: implementation of templated driver algorithm
550 for non-fsal explicit Runge-Kutta steppers 434 for non-fsal explicit Runge-Kutta steppers
551 - G4FSALIntegrationDriver: implementation of d 435 - G4FSALIntegrationDriver: implementation of driver algorithm for
552 FSAL explicit Runge-Kutta steppers. 436 FSAL explicit Runge-Kutta steppers.
553 Existing class G4MagInt_Drv remains, deriving 437 Existing class G4MagInt_Drv remains, deriving from base class.
554 438
555 - Expanded testing in testProElectroMagField ( 439 - Expanded testing in testProElectroMagField (higher precision, new driver)
556 ( J. Apostolakis) 440 ( J. Apostolakis)
557 441
558 Oct 13, 2017 D. Sorokin - fiel 442 Oct 13, 2017 D. Sorokin - field-V10-03-17
559 --------------------------------------- 443 ---------------------------------------
560 - add G4FieldUtils.hh, G4FieldUtils.icc, G4Fie << 444 - add G4FieldUtils.hh, G4FieldUtils.icc, G4FieldUtils.cc:
561 utilities to extract data from arrays in con << 445 utilities to extract data from arrays in conventions of the
562 magneticfield integration. 446 magneticfield integration.
563 447
564 Oct 13, 2017 G. Cosmo - fiel 448 Oct 13, 2017 G. Cosmo - field-V10-03-16
565 --------------------------------------- 449 ---------------------------------------
566 - G4NystromRK4: use consistenly G4 types for d 450 - G4NystromRK4: use consistenly G4 types for double and bool in G4NystromRK4.
567 451
568 Aug 31, 2017 J. Apostolakis - fiel 452 Aug 31, 2017 J. Apostolakis - field-V10-03-15
569 --------------------------------------- 453 ---------------------------------------
570 - Made G4DormandPrince457 the default Stepper 454 - Made G4DormandPrince457 the default Stepper for magnetic fields in
571 G4ChordFinder - when a driver/stepper is not 455 G4ChordFinder - when a driver/stepper is not specified.
572 456
573 Aug 31, 2017 J. Apostolakis - fiel 457 Aug 31, 2017 J. Apostolakis - field-V10-03-14
574 --------------------------------------- 458 ---------------------------------------
575 - G4NystromRK4: used caching of momentum magni 459 - G4NystromRK4: used caching of momentum magnitude ( & its inverse)
576 to reduce overhead of fix in field-V10-03-10 460 to reduce overhead of fix in field-V10-03-10.
577 461
578 Aug 25, 2017 J. Apostolakis - fiel 462 Aug 25, 2017 J. Apostolakis - field-V10-03-12, 13
579 --------------------------------------- 463 ---------------------------------------
580 - G4MagInt_Driver: added GetEquationOfMotion m 464 - G4MagInt_Driver: added GetEquationOfMotion method for enabling common
581 code with future develoment. 465 code with future develoment.
582 466
583 Aug 24, 2017 D.Sorokin & J. Apostolakis - fiel 467 Aug 24, 2017 D.Sorokin & J. Apostolakis - field-V10-03-11
584 --------------------------------------- 468 ---------------------------------------
585 - G4NystromRK4: correction in call to getField 469 - G4NystromRK4: correction in call to getField: needs p[4], not p[3]
586 ( Spotted by D. Sorokin ) 470 ( Spotted by D. Sorokin )
587 Also small cleanup of testing code into 2 sm 471 Also small cleanup of testing code into 2 small new methods.
588 ( J. Apostolakis ) 472 ( J. Apostolakis )
589 473
590 Aug 23, 2017 J.Apostolakis - fiel 474 Aug 23, 2017 J.Apostolakis - field-V10-03-10
591 -------------------------- 475 --------------------------
592 - G4NystromRK4 - Fix the caching of momentum, 476 - G4NystromRK4 - Fix the caching of momentum, field location & value.
593 Fixes issue reported by ALICE ( problem repo 477 Fixes issue reported by ALICE ( problem report #1996 ).
594 Thanks to Ruben Shahoyan for identifying and 478 Thanks to Ruben Shahoyan for identifying and reporting the issue!
595 - Temporarly made G4NystromRK4 the default Ste 479 - Temporarly made G4NystromRK4 the default Stepper in G4ChordFinder's 2nd
596 constructor (to ensure adequate testing). 480 constructor (to ensure adequate testing).
597 481
598 Jul 04, 2017 J.Apostolakis - field 482 Jul 04, 2017 J.Apostolakis - field-V10-03-09
599 -------------------------- 483 --------------------------
600 - G4DormandPrinceRK78: initialise fLastStepLen 484 - G4DormandPrinceRK78: initialise fLastStepLength and/or fAuxStepper data
601 members in constructor. Coverity issue: 6739 485 members in constructor. Coverity issue: 67398,
602 Improved description and reference to origin 486 Improved description and reference to original 1981 DP paper.
603 - G4MagIntegratorDriver: initialised fNoCalls 487 - G4MagIntegratorDriver: initialised fNoCalls in c-tor. Coverity #15158.
604 488
605 Jul 03, 2017 J.Apostolakis - field 489 Jul 03, 2017 J.Apostolakis - field-V10-03-08
606 -------------------------- 490 --------------------------
607 - G4FSALBogackiShampline45: initialise 'bi[][] 491 - G4FSALBogackiShampline45: initialise 'bi[][]' const coefficients only 1 time
608 in method PrepareConstants() called by const 492 in method PrepareConstants() called by constructor.
609 ( Similar to G4BogackiShampine => seek con 493 ( Similar to G4BogackiShampine => seek consolidation )
610 Small fix: initialise fAuxStepper to nullptr 494 Small fix: initialise fAuxStepper to nullptr, if not primary.
611 ( Part of Coverity issue 67394 ) 495 ( Part of Coverity issue 67394 )
612 - G4DormandPrinceRK56: fix for significant mem 496 - G4DormandPrinceRK56: fix for significant memory leak of ak10_low buffer
613 space in SetupInterpolate_low(), apparently 497 space in SetupInterpolate_low(), apparently not seen by Coverity
614 because it was initialised in each use, not 498 because it was initialised in each use, not in constructor!
615 Improved initialisation of ak10, 11, 12 (mov 499 Improved initialisation of ak10, 11, 12 (moved to constructor)
616 and fixed small memory leak (added deletion 500 and fixed small memory leak (added deletion in destructor).
617 - G4MagIntegratorStepper: initialise fNoRHSCal 501 - G4MagIntegratorStepper: initialise fNoRHSCalls & fIntegrationOrder in c-tor.
618 ( fIntegrationOrder is not yet used widely - 502 ( fIntegrationOrder is not yet used widely - future migration )
619 Coverity issue 67392. 503 Coverity issue 67392.
620 - G4VFSALIntegrationStepper: initialise counte 504 - G4VFSALIntegrationStepper: initialise counter in c-tor. Coverity issue 67396.
621 - G4BogackiShampine23: initialised fIsFSAL, fI 505 - G4BogackiShampine23: initialised fIsFSAL, fIntegrationOrder in c-tor.
622 Suppressed obsolete virtual method isFSAL, 506 Suppressed obsolete virtual method isFSAL,
623 Deleted duplicate virtual method 'isFSAL()'. 507 Deleted duplicate virtual method 'isFSAL()'. Non-virtual method IsFSAL()
624 now exists in base class G4MagIntegratorStep 508 now exists in base class G4MagIntegratorStepper.
625 Made copy constructor and equal operator pri 509 Made copy constructor and equal operator private and not unimplemented.
626 Added explanatory comments in source file; c 510 Added explanatory comments in source file; can make this method FSAL easily
627 (it calculates derivative @ endpoint. ) 511 (it calculates derivative @ endpoint. )
628 - Several steppers ( G4DoLoMcPriRK34, G4FSALBo 512 - Several steppers ( G4DoLoMcPriRK34, G4FSALBogackiShampine45,
629 G4DormandPrince745, G4BogackiShampine45 ): i 513 G4DormandPrince745, G4BogackiShampine45 ): initialise fLastStepLength and/or
630 fAuxStepper data members in constructor. 514 fAuxStepper data members in constructor.
631 Coverity issues: 67393, 67394, 67391, 67390, 515 Coverity issues: 67393, 67394, 67391, 67390, 67363
632 516
633 Jul 03, 2017 J.Apostolakis - field << 517 Jul 03, 2017 J.Apostolakis - field-V10-03-05, -06, -07
634 -------------------------- 518 --------------------------
635 - fix for memory leak in Stepper() in two step 519 - fix for memory leak in Stepper() in two steppers:
636 G4FSALBogackiShampline45 ( Coverity issue 520 G4FSALBogackiShampline45 ( Coverity issue 67389 )
637 G4FSALDormandPrince745 ( Coverity issue 521 G4FSALDormandPrince745 ( Coverity issue 67397 )
638 - G4BogackiShampline23: fix for memory leak in 522 - G4BogackiShampline23: fix for memory leak in destructor
639 ( Coverity issue 67355 ) 523 ( Coverity issue 67355 )
640 524
641 May 17, 2017 J.Apostolakis - field 525 May 17, 2017 J.Apostolakis - field-V10-03-03, -04 (resubmit)
642 -------------------------- 526 --------------------------
643 - G4FieldManager::SetDetectorField 527 - G4FieldManager::SetDetectorField
644 Fixed default of 'fail mode' parameter in << 528 Fixed default of 'fail mode' parameter in
645 to 0 (silent) - not 1 which was used for 529 to 0 (silent) - not 1 which was used for debugging.
646 In case of existing G4ChordFinder, use 'max' 530 In case of existing G4ChordFinder, use 'max' (1, failMode) not min.
647 531
648 532
649 May 11, 2017 J.Apostolakis - field 533 May 11, 2017 J.Apostolakis - field-V10-03-02
650 -------------------------- << 534 --------------------------
651 - Reintroduced changes of field-V10-01-05, 06 535 - Reintroduced changes of field-V10-01-05, 06 and 07 to address
652 issue recalled by ATLAS. 536 issue recalled by ATLAS.
653 - New fixes/refinements (since field-V10-01-07 537 - New fixes/refinements (since field-V10-01-07)
654 o Extra check for missing equation. (Fix) 538 o Extra check for missing equation. (Fix)
655 o Renamed G4FieldManager::SetFieldChangesEne 539 o Renamed G4FieldManager::SetFieldChangesEnergy() method to
656 InitialiseFieldChangesEnergy() to clarify 540 InitialiseFieldChangesEnergy() to clarify its utility.
657 - Original functionality change (copied from f 541 - Original functionality change (copied from field-V10-01-05, & -07) :
658 o G4FieldManager.cc : Revised behaviour of S 542 o G4FieldManager.cc : Revised behaviour of SetDetector - it now
659 passes the Field to the Equation, as is th 543 passes the Field to the Equation, as is the natural user expectation
660 The previous behaviour is possible, using 544 The previous behaviour is possible, using extra argument 'failMode' flag.
661 Values: 0 = silent ; << 545 Values: 0 = silent ;
662 1 (default) = warning; << 546 1 (default) = warning;
663 2 or other = fatal except 547 2 or other = fatal exception.
664 548
665 This change is to ensure that user expecta << 549 This change is to ensure that user expectation is met:
666 if the field is changed for an existing, w << 550 if the field is changed for an existing, working stepper it must
667 be propagated to the equation of motion. 551 be propagated to the equation of motion.
668 Note: this causes potential conflict betwe 552 Note: this causes potential conflict between the type of the equation
669 and the field, which will need to be 553 and the field, which will need to be solved in the future.
670 Old behaviour (just set our own pointer) i 554 Old behaviour (just set our own pointer) is still available in new method:
671 ProposeDetectorField(G4Field *detectorFiel << 555 ProposeDetectorField(G4Field *detectorField)
672 Note: Error reporting behaviour of SetDete << 556 Note: Error reporting behaviour of SetDetector is 'soft'. It does not
673 complain by default if ChordFinder i 557 complain by default if ChordFinder is not (yet) set.
674 ( The default values of failMode = 0 558 ( The default values of failMode = 0 i.e. quiet. )
675 If a chord-finder exists, it will still wa 559 If a chord-finder exists, it will still warn for other errors.
676 To obtain have noisy extra checks call Set 560 To obtain have noisy extra checks call SetDetectorField with failMode > 0
677 or by using the new method for an existing 561 or by using the new method for an existing field:
678 ChangeDetectorField(G4Field *detectorField << 562 ChangeDetectorField(G4Field *detectorField)
679 OLD: Co-works and requires new tag in geomet 563 OLD: Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
680 564
681 Mar 22, 2017 G.Cosmo - fiel 565 Mar 22, 2017 G.Cosmo - field-V10-03-01
682 --------------------- 566 ---------------------
683 - Revert change made in previous tag and add s 567 - Revert change made in previous tag and add simple accessor to return
684 singleton pointer. 568 singleton pointer.
685 569
686 Mar 17, 2017 G.Cosmo - fiel 570 Mar 17, 2017 G.Cosmo - field-V10-03-00
687 --------------------- 571 ---------------------
688 - Define G4FieldManagerStore as normal singlet 572 - Define G4FieldManagerStore as normal singleton and corrected destructor.
689 573
690 Oct 7, 2016 J.Apostolakis - fiel 574 Oct 7, 2016 J.Apostolakis - field-V10-02-24, 25
691 --------------------------- 575 ---------------------------
692 - Checked loops for termination for infinite l << 576 - Checked loops for termination for infinite loops and annotated
693 them with "Loop checking" comment 577 them with "Loop checking" comment
694 578
695 Oct 7, 2016 D.Sorokin - fiel 579 Oct 7, 2016 D.Sorokin - field-V10-02-23
696 ----------------------- Commit: J. Apostolaki 580 ----------------------- Commit: J. Apostolakis
697 - Protection for multiple inclusion of G4Class << 581 - Protection for multiple inclusion of G4ClassicalRK4
698 (thanks to Dmitrii Sorokin, GSoC 2016 stude 582 (thanks to Dmitrii Sorokin, GSoC 2016 student. )
699 583
700 Aug 16, 2016 J.Apostolakis - fiel 584 Aug 16, 2016 J.Apostolakis - field-V10-02-22
701 --------------------------- 585 ---------------------------
702 - Added initialization of fAuxStepper in const << 586 - Added initialization of fAuxStepper in constructor of
703 G4DoLoMcPriRK34, G4DormandPrince745 & G4Dorm 587 G4DoLoMcPriRK34, G4DormandPrince745 & G4DormandPrinceRK56.
704 588
705 June 11, 2016 J.Apostolakis - fiel 589 June 11, 2016 J.Apostolakis - field-V10-02-21
706 --------------------------- 590 ---------------------------
707 - Restored G4ClassicalRK4 as default stepper f 591 - Restored G4ClassicalRK4 as default stepper for B-field,
708 (due to performance issues reported in bench 592 (due to performance issues reported in benchmarking.)
709 << 593
710 June 10, 2016 G.Cosmo - fiel 594 June 10, 2016 G.Cosmo - field-V10-02-20
711 --------------------- 595 ---------------------
712 - Fixed code indentation in G4HelixMixedSteppe 596 - Fixed code indentation in G4HelixMixedStepper;
713 fixes compilation warnings on gcc-6.1. 597 fixes compilation warnings on gcc-6.1.
714 598
715 June 1, 2016 J.Apostolakis - fiel 599 June 1, 2016 J.Apostolakis - field-V10-02-19, 18, 17
716 -------------------------- 600 --------------------------
717 - Fix in multiple steppers for the size of two 601 - Fix in multiple steppers for the size of two C-arrays which hold
718 intermediate values; they must be at least 602 intermediate values; they must be at least 8 and at least
719 'fNumberOfStateVariables' long. << 603 'fNumberOfStateVariables' long.
720 Changed: G4CashKarp, << 604 Changed: G4CashKarp,
721 G4BogackiShampine 23 & 34 605 G4BogackiShampine 23 & 34
722 G4DormandPrince 745, RK56 & RK78 606 G4DormandPrince 745, RK56 & RK78
723 G4DoLoMcPriRK34 607 G4DoLoMcPriRK34
724 G4FSALBogackiShampine45, G4FSALDorm 608 G4FSALBogackiShampine45, G4FSALDormandPrince745
725 - Made G4CashKarp the default stepper in G4Cho 609 - Made G4CashKarp the default stepper in G4ChordFinder.
726 - Deleted trial class G4NewChordFinder. 610 - Deleted trial class G4NewChordFinder.
727 611
728 June 1, 2016 J.Apostolakis - fiel 612 June 1, 2016 J.Apostolakis - field-V10-02-16
729 -------------------------- 613 --------------------------
730 - Deleted test code (RkTestRun) due to cmake i 614 - Deleted test code (RkTestRun) due to cmake issues
731 615
732 June 1, 2016 J.Apostolakis - fiel 616 June 1, 2016 J.Apostolakis - field-V10-02-15 (also -14)
733 -------------------------- 617 --------------------------
734 - Made G4ClassicalRK4 the default stepper agai 618 - Made G4ClassicalRK4 the default stepper again in G4ChordFinder
735 - Fixes in test code (RkTestRun) for new names 619 - Fixes in test code (RkTestRun) for new names of classes.
736 << 620
737 May 31, 2016 J.Apostolakis - fiel 621 May 31, 2016 J.Apostolakis - field-V10-02-13 (also -12)
738 -------------------------- 622 --------------------------
739 - New class G4NewChordFinder, that uses old G4 623 - New class G4NewChordFinder, that uses old G4MagIntegratorDriver or
740 the newer G4FSALIntegratorDriver -- first 624 the newer G4FSALIntegratorDriver -- first try, for testing FSAL.
741 Created new test testNewChordFinder.cc to ch 625 Created new test testNewChordFinder.cc to checks this.
742 626
743 - Renamed new Stepper classes to use 'G4' pref 627 - Renamed new Stepper classes to use 'G4' prefix, including
744 DormandPrince{745,RK56,RK67} TsitourasRK45 628 DormandPrince{745,RK56,RK67} TsitourasRK45 and DoLoMcPriRK34
745 629
746 - Renamed FSAL base classes to use 'G4' prefix 630 - Renamed FSAL base classes to use 'G4' prefix & 'Integrat-ion'
747 FSALMagIntegratorStepper to G4VFSALIntegr 631 FSALMagIntegratorStepper to G4VFSALIntegrationStepper
748 FSALIntegratorDriver to G4FSALIntegr 632 FSALIntegratorDriver to G4FSALIntegrationDriver
749 and the experimental FSAL versions of steppe 633 and the experimental FSAL versions of steppers,
750 FBogackiShampine45.hh to G4FSALBogackiS 634 FBogackiShampine45.hh to G4FSALBogackiShampine45.hh
751 FDormandPrince745.hh to G4FSALDormandP 635 FDormandPrince745.hh to G4FSALDormandPrince745.hh
752 ( Note: FSAL steppers remain 'behind' the impr 636 ( Note: FSAL steppers remain 'behind' the improved non-FSAL versions.)
753 637
754 - Made DormandPrince745 (DP45) the default ste 638 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
755 << 639
756 May 26, 2016 J.Apostolakis & Som. Banerjee - 640 May 26, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-11
757 ------------------------------------------ 641 ------------------------------------------
758 - First version of FSAL classes (as additional 642 - First version of FSAL classes (as additional classes)
759 FSAL Integrator Driver : New *concrete*, << 643 FSAL Integrator Driver : New *concrete*, stand-alone driver
760 FSAL Integrator Stepper : New base class ( 644 FSAL Integrator Stepper : New base class (separate from G4MagIntegratorStepper)
761 FBogackiShampine45: FSAL-version of Bogac 645 FBogackiShampine45: FSAL-version of BogackiShampine45 stepper
762 FDormandPrince745: FSAL-version of FDorm 646 FDormandPrince745: FSAL-version of FDormandPrince745 stepper
763 Developed by Somnath Banerjee in GSoC 2015 647 Developed by Somnath Banerjee in GSoC 2015
764 648
765 Context: 649 Context:
766 * FSAL Stepper's key 'Stepper()' method for St 650 * FSAL Stepper's key 'Stepper()' method for Stepping has additional
767 argument to return the derivative at the e 651 argument to return the derivative at the end of a step.
768 If the step was successful, this estimate 652 If the step was successful, this estimate has the same order of
769 accuracy as the stepper (i.e. 5th order fo 653 accuracy as the stepper (i.e. 5th order for a 5th order stepper.)
770 654
771 - FSAL Driver method uses the revised Stepper 655 - FSAL Driver method uses the revised Stepper interface, using
772 the final (endpoint) derivative for succes 656 the final (endpoint) derivative for successful steps
773 as the start derivative for the next step, 657 as the start derivative for the next step, in case of
774 continuing of integration. 658 continuing of integration.
775 659
776 - New test (RkTestRun.cc) covering FSAL method 660 - New test (RkTestRun.cc) covering FSAL methods, integration
777 Developed by Somnath Banerjee in GSoC 2015 661 Developed by Somnath Banerjee in GSoC 2015
778 662
779 May 26, 2016 J.Apostolakis - 663 May 26, 2016 J.Apostolakis - field-V10-02-10
780 -------------------------- 664 --------------------------
781 Preparation for addition of FSAL steppers (& d 665 Preparation for addition of FSAL steppers (& driver)
782 - G4MagIntegratorStepper: Added counter for ca << 666 - G4MagIntegratorStepper: Added counter for calls to equation RHS,
783 with Get/Reset methods. 667 with Get/Reset methods.
784 - Cosmetic fixes in sources.cmake (tabs to spa 668 - Cosmetic fixes in sources.cmake (tabs to spaces)
785 669
786 May 25, 2016 J.Apostolakis & Som. Banerjee - 670 May 25, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-09
787 ------------------------------------------ 671 ------------------------------------------
788 - Added new stepper classes embedded RK method 672 - Added new stepper classes embedded RK method:
789 * DoLoMcPriRK34, 6-stage 3/4 RK (interp 673 * DoLoMcPriRK34, 6-stage 3/4 RK (interpolation)
790 * DormandPrinceRK56, 9-stage 5/6 RK (interp 674 * DormandPrinceRK56, 9-stage 5/6 RK (interpolation, FSAL-able) "6(5)"
791 * DormandPrinceRK78, 13-stage 7/8 RK (interp 675 * DormandPrinceRK78, 13-stage 7/8 RK (interpolation) "8(7) 13M"
792 created by Somnath Banerjee as part of GSoC 676 created by Somnath Banerjee as part of GSoC 2015.
793 677
794 May 25, 2016 J.Apostolakis - field 678 May 25, 2016 J.Apostolakis - field-V10-02-08
795 -------------------------- 679 --------------------------
796 - Revised testPropagateMagField, to reduce err 680 - Revised testPropagateMagField, to reduce error severity for over-long
797 steps. An error message is still written 681 steps. An error message is still written if move > (1.+1.0e-9) * step,
798 but test does not stop. 682 but test does not stop.
799 683
800 - G4HelixMixedStepper: Fixes & added new (5th 684 - G4HelixMixedStepper: Fixes & added new (5th order) stepper choices.
801 Included (G4)Bogacki-Shampine 23/45 , Dor 685 Included (G4)Bogacki-Shampine 23/45 , DormandPrince745,
802 and newest TsitourasRK45. 686 and newest TsitourasRK45.
803 687
804 May 24, 2016 J.Apostolakis - field 688 May 24, 2016 J.Apostolakis - field-V10-02-06, 07
805 -------------------------- 689 --------------------------
806 - Added TsitourasRK45 stepper. 690 - Added TsitourasRK45 stepper.
807 - Made Cash-Karp the default stepper (in G4Cho 691 - Made Cash-Karp the default stepper (in G4ChordFinder).
808 << 692
809 May 23, 2016 J.Apostolakis - field 693 May 23, 2016 J.Apostolakis - field-V10-02-05
810 -------------------------- 694 --------------------------
811 - Made DormandPrince745 (DP45) the default ste 695 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
812 << 696
813 May 20, 2016 J.Apostolakis - field 697 May 20, 2016 J.Apostolakis - field-V10-02-04
814 ------------------------- 698 -------------------------
815 - Added steppers created by Somnath Banerjee a 699 - Added steppers created by Somnath Banerjee as part of GSoC 2015,
816 G4BogackiShampine23 (BS23 below), G4Bogack 700 G4BogackiShampine23 (BS23 below), G4BogackiShampine45 (BS45) and
817 DormandPrince745 (DP45). 701 DormandPrince745 (DP45).
818 These implement third order (BS23) and fifth 702 These implement third order (BS23) and fifth order (BS45, DP45)
819 embedded RK tableaus. 703 embedded RK tableaus.
820 - DP45 includes interpolation method, to evalu 704 - DP45 includes interpolation method, to evaluate the interpolant
821 ('y') at intermediate points of a successf 705 ('y') at intermediate points of a successful step.
822 BS45's interpolation method exists, but is n 706 BS45's interpolation method exists, but is not validated (fails).
823 707
824 References: 708 References:
825 - BS45 is embedded pair from paper by P. Bog 709 - BS45 is embedded pair from paper by P. Bogacki and L. F. Shampine:
826 “An efficient Runge-Kutta (4,5) pair, 710 “An efficient Runge-Kutta (4,5) pair,”
827 Comput. Math. with Appl., vol. 32, no. 6 711 Comput. Math. with Appl., vol. 32, no. 6, pp. 15–28, Sep. 1996.
828 - BS23 is four stage RK method from the pape 712 - 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 << 713 “A 3(2) pair of Runge - Kutta formulas,”
830 Appl. Math. Lett., vol 2, no 4, p.321 (1 714 Appl. Math. Lett., vol 2, no 4, p.321 (1989).
831 - DP45 are from Table 2 of J. R. Dormand an << 715 - DP45 are from Table 2 of J. R. Dormand and P. J. Prince's
832 “A family of embedded Runge-Kutta form 716 “A family of embedded Runge-Kutta formulae,”
833 Journal of comput. and applied Math., vo << 717 Journal of comput. and applied Math., vol. 6, no. 1, pp. 19–26, 1980.
834 718
835 May 4, 2016 G.Cosmo - field- 719 May 4, 2016 G.Cosmo - field-V10-02-03
836 ------------------- 720 -------------------
837 - Fixed Clone() signatures in derived Field cl 721 - Fixed Clone() signatures in derived Field classes.
838 More corrections on implementations of opera 722 More corrections on implementations of operator=() and copy-ctors.
839 723
840 Apr 29, 2016 G.Cosmo - field- 724 Apr 29, 2016 G.Cosmo - field-V10-02-02
841 -------------------- 725 --------------------
842 - Corrected implementation of operator=() and 726 - Corrected implementation of operator=() and copy-ctor for G4Field,
843 G4ElectroMagneticField, G4ElectricField and 727 G4ElectroMagneticField, G4ElectricField and G4CachedMagneticField.
844 728
845 Feb 25, 2016 P.Gumplinger - field- 729 Feb 25, 2016 P.Gumplinger - field-V10-02-01
846 ------------------------- 730 -------------------------
847 - address Problem Report: 1831 731 - address Problem Report: 1831
848 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin 732 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin, G4EqEMFieldWithEDM and
849 G4RepleteEofM.cc from g_BMT = (magMo 733 G4RepleteEofM.cc from g_BMT = (magMoment/muB)/spin
850 to g_BMT = (std:: 734 to g_BMT = (std::abs(magMoment)/muB)/spin
851 735
852 736
853 Dec 11, 2015 A.Dotti - field-V10-02-0 737 Dec 11, 2015 A.Dotti - field-V10-02-00
854 -------------------------- 738 --------------------------
855 Fixing typo in tests/CMakeList.txt file: subdi << 739 Fixing typo in tests/CMakeList.txt file: subdirecotry()
856 instead of add_subdirectory() 740 instead of add_subdirectory()
857 741
858 Nov 2, 2015 J.Apostolakis - field 742 Nov 2, 2015 J.Apostolakis - field-V10-01-15 (fixed)
859 Oct 22, 2015 J.Apostolakis - field 743 Oct 22, 2015 J.Apostolakis - field-V10-01-14
860 -------------------------- 744 --------------------------
861 - Reverted changes in G4FieldManager from tag 745 - Reverted changes in G4FieldManager from tags field-V10-01-05 to -07
862 inadvertently reintroduced in tag field-V10 746 inadvertently reintroduced in tag field-V10-01-13
863 (fixed in tag -15: committed new copy from 747 (fixed in tag -15: committed new copy from tag -04 'on top')
864 << 748
865 - Added explanation comment in G4MagHelicalSte 749 - Added explanation comment in G4MagHelicalSteper.
866 << 750
867 Oct 13, 2015 J.Apostolakis - field 751 Oct 13, 2015 J.Apostolakis - field-V10-01-13
868 -------------------------- 752 --------------------------
869 - G4ChordFinder::FindNextChord: Added check ag << 753 - G4ChordFinder::FindNextChord: Added check against number of iterations,
870 to identify potential issue of lack of conve 754 to identify potential issue of lack of convergence.
871 - test: fixed testProElectricMagField.cc 755 - test: fixed testProElectricMagField.cc
872 756
873 - Note: tag-13 inadvertently reintroduced chan 757 - Note: tag-13 inadvertently reintroduced changes from tags field-V10-01-05 to -07
874 758
875 Jun 26, 2015 P.Gumplinger - field 759 Jun 26, 2015 P.Gumplinger - field-V10-01-12, 11
876 ------------------------- 760 -------------------------
877 - Include 'NumberOfVariables' in G4RepleteEofM 761 - Include 'NumberOfVariables' in G4RepleteEofM constructor argument list.
878 762
879 Jun 22, 2015 G.Cosmo - field 763 Jun 22, 2015 G.Cosmo - field-V10-01-10
880 -------------------- 764 --------------------
881 - Withdrawn also changes introduced in tag "fi 765 - Withdrawn also changes introduced in tag "field-V10-01-08", as
882 responsible for memory violation errors in V 766 responsible for memory violation errors in Valgrind.
883 Now corresponding to tag "field-V10-01-04". 767 Now corresponding to tag "field-V10-01-04".
884 768
885 Jun 18, 2015 G.Cosmo - field 769 Jun 18, 2015 G.Cosmo - field-V10-01-09
886 -------------------- 770 --------------------
887 - Withdrawn changes introduced from tag "field 771 - Withdrawn changes introduced from tag "field-V10-01-05" to tag
888 "field-V10-01-07" included, responsible for 772 "field-V10-01-07" included, responsible for failures on SLC6 and
889 run-time errors on Valgrind checks. 773 run-time errors on Valgrind checks.
890 774
891 Jun 10, 2015 P.Gumplinger - field 775 Jun 10, 2015 P.Gumplinger - field-V10-01-08
892 ------------------------- 776 -------------------------
893 - initialize all elements of dydx[] in G4Reple 777 - initialize all elements of dydx[] in G4RepleteEofM::EvaluateRhsGivenB
894 Thanks to Tatsuya Kikawa (Osaka Univ.) 778 Thanks to Tatsuya Kikawa (Osaka Univ.)
895 779
896 Jun 10, 2015 J.Apostolakis - field 780 Jun 10, 2015 J.Apostolakis - field-V10-01-07
897 -------------------------- 781 --------------------------
898 - G4FieldManager.cc : Made behaviour of SetDet 782 - G4FieldManager.cc : Made behaviour of SetDetector 'softer'. No
899 longer complains by default if ChordFinder 783 longer complains by default if ChordFinder is not (yet) set.
900 ( The default values of failMode = 0 i.e. 784 ( The default values of failMode = 0 i.e. quiet. )
901 If a chord-finder exists, it will still war 785 If a chord-finder exists, it will still warn for other errors.
902 << 786
903 It is still possible to have louder/extra c 787 It is still possible to have louder/extra checks done calling
904 SetDetectorField with failMode > 0 788 SetDetectorField with failMode > 0
905 or by using a new method, which expects an 789 or by using a new method, which expects an existing field:
906 ChangeDetectorField(G4Field *detectorFiel << 790 ChangeDetectorField(G4Field *detectorField)
907 791
908 Jun 8, 2015 J.Apostolakis - field 792 Jun 8, 2015 J.Apostolakis - field-V10-01-05, (-06 fixed)
909 -------------------------- 793 --------------------------
910 - G4FieldManager.cc : Revised behaviour of Set 794 - G4FieldManager.cc : Revised behaviour of SetDetector - it now
911 passes the Field to the Equation, as is the 795 passes the Field to the Equation, as is the natural user expectation
912 The previous behaviour is possible, using e << 796 The previous behaviour is possible, using extra argument 'failMode'
913 flag. Values: 0 = silent ; << 797 flag. Values: 0 = silent ;
914 1 (default) = warning; << 798 1 (default) = warning;
915 2 or other = fatal except 799 2 or other = fatal exception.
916 Or can use alternative (new) suggestion met 800 Or can use alternative (new) suggestion method ProposeDetectorField();
917 801
918 This change is to ensure that user expectat << 802 This change is to ensure that user expectation is met:
919 if the field is changed for an existing, << 803 if the field is changed for an existing, working stepper it must
920 be propagated to the equation of motion. 804 be propagated to the equation of motion.
921 Note: this causes potential conflict betwee 805 Note: this causes potential conflict between the type of the equation
922 and the field, which will need to be 806 and the field, which will need to be solved in the future.
923 807
924 Old behaviour (just set our own pointer) is 808 Old behaviour (just set our own pointer) is still available in new method:
925 ProposeDetectorField(G4Field *detectorFie << 809 ProposeDetectorField(G4Field *detectorField)
926 810
927 Co-works and requires new tag in geometry/n 811 Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
928 812
929 Jun 4, 2015 P. Gumplinger - field 813 Jun 4, 2015 P. Gumplinger - field-V10-01-04
930 ------------------------- 814 -------------------------
931 - change assignment to field instead of Field 815 - change assignment to field instead of Field array in G4RepleteEofM.cc
932 816
933 Jan 28, 2015 J.Apostolakis - field 817 Jan 28, 2015 J.Apostolakis - field-V10-01-01 (-02,03 fixed)
934 -------------------------- 818 -------------------------- ( History )
935 - Revert unintended inclusion of changes in G4 819 - Revert unintended inclusion of changes in G4MagIntegratorDriver
936 820
937 Jan 15, 2015 J.Apostolakis - field << 821 Jan 15, 2015 J.Apostolakis - field-V10-01-00
938 -------------------------- 822 --------------------------
939 - Small refinements in G4FieldTrack - access r 823 - Small refinements in G4FieldTrack - access rest mass, avoid div by 0
940 Avoid division by zero for Unit direction << 824 Avoid division by zero for Unit direction in FieldTrack
941 Added method to get Rest Mass. 825 Added method to get Rest Mass.
942 Needed for fixes related to Problem report 1 826 Needed for fixes related to Problem report 1696.
943 Thanks to Nathan S. Froemming <nfroemm@uw.ed 827 Thanks to Nathan S. Froemming <nfroemm@uw.edu> who reported the issue
944 and created dedicated test to demonstrate i 828 and created dedicated test to demonstrate it.
945 829
946 Nov 03, 2014 G.Cosmo - field 830 Nov 03, 2014 G.Cosmo - field-V10-00-04
947 -------------------- 831 --------------------
948 - Moved constructors and simple methods to in 832 - Moved constructors and simple methods to in line in G4ChargeState and
949 G4LineSection for CPU speedup (courtesy of S 833 G4LineSection for CPU speedup (courtesy of S.Wenzel).
950 834
951 May 21, 2014 J.Apostolakis - field 835 May 21, 2014 J.Apostolakis - field-V10-00-03
952 -------------------------- 836 --------------------------
953 - G4FieldTrack: 837 - G4FieldTrack:
954 * Fixed SetChargeAndMoments() to use the new 838 * Fixed SetChargeAndMoments() to use the new method
955 G4ChargeState::SetChargesAndMoments(); it 839 G4ChargeState::SetChargesAndMoments(); it was changing spin, because of
956 erroneous change in G4ChargeState::SetChar 840 erroneous change in G4ChargeState::SetChargesAndMoments(), that method
957 is now renamed SetChargeSpinMoments() to s 841 is now renamed SetChargeSpinMoments() to show what it does;
958 * Added pdg-spin as argument to constructors 842 * Added pdg-spin as argument to constructors (needed to track polarization);
959 * Renamed 'spin' to 'Polarization' in method 843 * Renamed 'spin' to 'Polarization' in method, arguments, data member to
960 avoid confusion; 844 avoid confusion;
961 * Revised constructors to add pdg-spin as la 845 * Revised constructors to add pdg-spin as last argument (with default -1).
962 - G4ChargeState: 846 - G4ChargeState:
963 - Addressed Coverity issue #56281 'Arguments << 847 - Addressed Coverity issue #56281 'Arguments in wrong order'
964 G4ChargeState::SetChargeMoments() when use 848 G4ChargeState::SetChargeMoments() when used in
965 G4FieldTrack::SetChargeMoments() from addi 849 G4FieldTrack::SetChargeMoments() from addition of spin to arguments,
966 without revising name of method to reflect 850 without revising name of method to reflect it;
967 - Changed order of arguments in constructor, 851 - Changed order of arguments in constructor, making spin 3rd argument
968 (was 2nd) and making all arguments mandato 852 (was 2nd) and making all arguments mandatory;
969 - Renamed SetChargeAndMoments() method with 853 - Renamed SetChargeAndMoments() method with 5 arguments including spin (2nd)
970 to SetChargeSpinMoments(); 854 to SetChargeSpinMoments();
971 - Added new methods including SetChargesAndM 855 - Added new methods including SetChargesAndMoments(), SetChargeMdm(),
972 SetChargeDipoleMoments() (no spin), and al 856 SetChargeDipoleMoments() (no spin), and also SetChargeSpin(),
973 SetChargeMdmSpin() (which includes spin) t << 857 SetChargeMdmSpin() (which includes spin) to provide most/all potential
974 combinations. 858 combinations.
975 - G4MagIntegratorDriver::OneGoodStep(): 859 - G4MagIntegratorDriver::OneGoodStep():
976 * Trial changes to address Valgrind issue, a 860 * Trial changes to address Valgrind issue, about value used before being set.
977 861
978 Apr 01, 2014 J.Apostolakis - fi 862 Apr 01, 2014 J.Apostolakis - field-V10-00-02
979 -------------------------- 863 --------------------------
980 - Moved G4FieldTrack::LoadFromArray() to .cc a 864 - Moved G4FieldTrack::LoadFromArray() to .cc and removed non-necessary
981 thread-local static data local to the functi 865 thread-local static data local to the function.
982 866
983 Mar 14, 2014 J.Apostolakis - fi 867 Mar 14, 2014 J.Apostolakis - field-V10-00-01
984 -------------------------- 868 --------------------------
985 - Fix assignment operator for G4FieldTrack. (C 869 - Fix assignment operator for G4FieldTrack. (Copied Rest Mass)
986 - Improve printing of G4FieldTrack 870 - Improve printing of G4FieldTrack
987 871
988 Jan 17, 2014 P.Gumplinger - fi 872 Jan 17, 2014 P.Gumplinger - field-V10-00-00
989 ------------------------- 873 -------------------------
990 - add G4Mag_EqRhs::SetChargeMomentumMass( part 874 - add G4Mag_EqRhs::SetChargeMomentumMass( particleCharge, MomentumXc, mass)
991 to G4Mag_SpinEqRhs::SetChargeMomentumMass, s 875 to G4Mag_SpinEqRhs::SetChargeMomentumMass, see bug reported at:
992 http://hypernews.slac.stanford.edu/HyperNews 876 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/210.html
993 877
994 Nov 18, 2013 P.Gumplinger - fi 878 Nov 18, 2013 P.Gumplinger - field-V09-06-13/12
995 ------------------------- 879 -------------------------
996 - fix Coverity warning in G4RepleteEofM 880 - fix Coverity warning in G4RepleteEofM
997 881
998 Nov 17, 2013 J.Apostolakis << 882 Nov 17, 2013 J.Apostolakis
999 -------------------------- 883 --------------------------
1000 - Fixed and improved HelixMixed Stepper: 884 - Fixed and improved HelixMixed Stepper:
1001 Corrected the default stepper for small s 885 Corrected the default stepper for small steps to be ClassicalRK4.
1002 Added Angle-threshold parameter. (Default 886 Added Angle-threshold parameter. (Default remains 0.33 radians.)
1003 Added more Steppers, including G4NystromR 887 Added more Steppers, including G4NystromRK4.
1004 Revised Id numbers of Steppers, to make t 888 Revised Id numbers of Steppers, to make the best more visible.
1005 More comments in Stepper(). 889 More comments in Stepper().
1006 890
1007 Nov 05, 2013 P.Gumplinger - f 891 Nov 05, 2013 P.Gumplinger - field-V09-06-11
1008 ------------------------- 892 -------------------------
1009 - remove writing out-of-bounds dydx[8] = 0. i 893 - remove writing out-of-bounds dydx[8] = 0. in G4RepleteEofM.cc
1010 894
1011 Nov 04, 2013 P.Gumplinger - f 895 Nov 04, 2013 P.Gumplinger - field-V09-06-10
1012 ------------------------- 896 -------------------------
1013 - add G4RepleteEofM to sources.cmake 897 - add G4RepleteEofM to sources.cmake
1014 f 898 field-V09-06-09 - same as
1015 Nov 01st, 2013 P.Gumplinger - f 899 Nov 01st, 2013 P.Gumplinger - field-V09-06-08
1016 --------------------------- 900 ---------------------------
1017 - add G4RepleteEofM: EofM that includes force 901 - add G4RepleteEofM: EofM that includes force due to B, E, and gravity field
1018 as well as mu*grad(B) and spin tracking. 902 as well as mu*grad(B) and spin tracking.
1019 903
1020 May 10th, 2013 P.Gumplinger/J.Apostolakis - f 904 May 10th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-07
1021 ----------------------------------------- 905 -----------------------------------------
1022 - Revised number of field components (to allo 906 - Revised number of field components (to allow up to 24).
1023 18 are required for new applications (B, E 907 18 are required for new applications (B, E, Gravity, B-gradients)
1024 - Fixes for initialisation errors found by Co 908 - Fixes for initialisation errors found by Coverity.
1025 909
1026 May 10th, 2013 P.Gumplinger - field-V09-06-06 910 May 10th, 2013 P.Gumplinger - field-V09-06-06
1027 --------------------------- 911 ---------------------------
1028 - prevent divided by zero and shortcut spin t 912 - prevent divided by zero and shortcut spin tracking for spin == 0
1029 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldW 913 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc and
1030 G4EqEMFieldWithEDM.cc 914 G4EqEMFieldWithEDM.cc
1031 f << 915 field-V09-06-05 - same
1032 May 8th, 2013 P.Gumplinger/J.Apostolakis - f 916 May 8th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-04
1033 ----------------------------------------- 917 -----------------------------------------
1034 - Introduced new class G4ChargeState to hold 918 - Introduced new class G4ChargeState to hold charge, spin, magnetic moment
1035 (promoted from internal class of G4Field 919 (promoted from internal class of G4FieldTrack).
1036 - Changed the signature of EquationOfMotion:: 920 - Changed the signature of EquationOfMotion::SetChargeMomentumMass to
1037 take G4ChargeState in place of G4double (cha 921 take G4ChargeState in place of G4double (charge) as first argument.
1038 - Deleted SetChargeMomentumMass from G4ChordF 922 - Deleted SetChargeMomentumMass from G4ChordFinder, G4PropagatorInField,
1039 G4MagInt_Driver 923 G4MagInt_Driver
1040 924
1041 - Migrated testPropagateMagField and testProp 925 - Migrated testPropagateMagField and testPropagateSpin.
1042 926
1043 March 19th, 2013 G.Cosmo - field-V09-06-03, f 927 March 19th, 2013 G.Cosmo - field-V09-06-03, field-V09-06-02
1044 ------------------------- 928 -------------------------
1045 - Cleanup of MT changes in G4FieldManagerStor 929 - Cleanup of MT changes in G4FieldManagerStore.
1046 930
1047 February 26th, 2013 A.Dotti - field-V09-06-01 931 February 26th, 2013 A.Dotti - field-V09-06-01
1048 --------------------------- 932 ---------------------------
1049 - First implementation of Cloning mechanism ( 933 - First implementation of Cloning mechanism (needed for MT)
1050 934
1051 February 22nd, 2013 G.Cosmo - field-V09-06-00 935 February 22nd, 2013 G.Cosmo - field-V09-06-00
1052 --------------------------- 936 ---------------------------
1053 - Cleanup of unnecessary changes for multi-th 937 - Cleanup of unnecessary changes for multi-threading in G4QuadrupoleMagField.
1054 - Removed unused private data-members in G4Ma 938 - Removed unused private data-members in G4Mag_UsualEqRhs and G4RKG3_Stepper.
1055 939
1056 November 14th, 2012 P.Mato - field-V09-05-07 940 November 14th, 2012 P.Mato - field-V09-05-07
1057 -------------------------- 941 --------------------------
1058 - G4QuadrupoleMagField: allow displaced origi 942 - G4QuadrupoleMagField: allow displaced origin and rotation (Björn Riese)
1059 - Added G4SystemOfUnits.hh in unit tests 943 - Added G4SystemOfUnits.hh in unit tests
1060 944
1061 August 30th, 2012 P.Mato - field-V09-05-06 945 August 30th, 2012 P.Mato - field-V09-05-06
1062 ------------------------ 946 ------------------------
1063 - Adapted CMakeLists.txt files to new unit te 947 - Adapted CMakeLists.txt files to new unit tests
1064 948
1065 June 11th, 2012 G.Cosmo - field-V09-05-05 949 June 11th, 2012 G.Cosmo - field-V09-05-05
1066 ----------------------- 950 -----------------------
1067 - Explicitly use inclusion of headers for sys 951 - Explicitly use inclusion of headers for system of units and physical
1068 constants, in plan to remove implicit inclu 952 constants, in plan to remove implicit inclusion from globals.hh.
1069 953
1070 May 14th, 2012 G.Cosmo - field-V09-05-04 954 May 14th, 2012 G.Cosmo - field-V09-05-04
1071 ---------------------- 955 ----------------------
1072 - Fixed spurious case of hidden variable visi 956 - Fixed spurious case of hidden variable visibility in G4NystromRK4,
1073 detected with '-Wshadow' compilation option 957 detected with '-Wshadow' compilation option on gcc compiler.
1074 958
1075 February 3rd, 2012 J.Apostolakis - field-V09 959 February 3rd, 2012 J.Apostolakis - field-V09-05-03
1076 --------------------------------- 960 ---------------------------------
1077 - G4FieldTrack: << 961 - G4FieldTrack:
1078 Added new (inline) method to set the Rest << 962 Added new (inline) method to set the Rest Mass. Needed in order to
1079 reset this - and keep reuse the same G 963 reset this - and keep reuse the same G4FieldTrack in a client
1080 (across tracks.) 964 (across tracks.)
1081 Made SetCurvePnt() method private. 965 Made SetCurvePnt() method private.
1082 Simplified implementation of constructors << 966 Simplified implementation of constructors. Gain of 1 square root and
1083 1 division per call. 967 1 division per call.
1084 968
1085 February 3rd, 2012 G.Cosmo - field-V09-05-0 969 February 3rd, 2012 G.Cosmo - field-V09-05-02
1086 ---------------------------- 970 ----------------------------
1087 - Removed tests in CMakeLists.txt causing cat 971 - Removed tests in CMakeLists.txt causing catastrophic failure in system
1088 testing! 972 testing!
1089 973
1090 February 2nd, 2012 J.Apostolakis - field-V0 974 February 2nd, 2012 J.Apostolakis - field-V09-05-01
1091 ---------------------------------- 975 ----------------------------------
1092 - G4Mag_UsualEqRhs: in SetChargeMomentumMass( 976 - G4Mag_UsualEqRhs: in SetChargeMomentumMass() method, fixed problem with
1093 division by zero; stopped updating 'fInvCur 977 division by zero; stopped updating 'fInvCurrentMomentumXc' (data member
1094 is obsolete). 978 is obsolete).
1095 - Added tests in CMakeLists.txt 979 - Added tests in CMakeLists.txt
1096 980
1097 December 13th, 2011 G.Cosmo - field-V09-05-0 981 December 13th, 2011 G.Cosmo - field-V09-05-00
1098 ---------------------------- 982 ----------------------------
1099 - Fixed Coverity defects in G4SimpleRunge (re 983 - Fixed Coverity defects in G4SimpleRunge (removed spurious pointer
1100 data member) and G4FieldTrack (missing G4Ch 984 data member) and G4FieldTrack (missing G4ChargeState::operator=()).
1101 - Synchronised unit tests to trunk (new test 985 - Synchronised unit tests to trunk (new test field07 and minor updates).
1102 986
1103 November 11th, 2011 J.Apostolakis - field-V0 987 November 11th, 2011 J.Apostolakis - field-V09-04-06
1104 ---------------------------------- 988 ----------------------------------
1105 - Added G4Field.cc to list of files in source 989 - Added G4Field.cc to list of files in sources.cmake
1106 990
1107 November 4th, 2011 J.Apostolakis - field-V0 991 November 4th, 2011 J.Apostolakis - field-V09-04-05
1108 ---------------------------------- 992 ----------------------------------
1109 - G4Field: revised to improve ability to dete 993 - G4Field: revised to improve ability to detect gravity field:
1110 Added new data member to identify gravity f 994 Added new data member to identify gravity field;
1111 Added new method IsGravityActive() to acces 995 Added new method IsGravityActive() to access this data member;
1112 Created new source file: moving constructor 996 Created new source file: moving constructors to it.
1113 - Changed G4UniformGravityField and G4Electro << 997 - Changed G4UniformGravityField and G4ElectroMagneticField
1114 to accomodate this refinement. 998 to accomodate this refinement.
1115 999
1116 November 2nd, 2011 P.Gumplinger - field-V09- 1000 November 2nd, 2011 P.Gumplinger - field-V09-04-04
1117 -------------------------------- 1001 --------------------------------
1118 - update list of files in sources.cmake 1002 - update list of files in sources.cmake
1119 1003
1120 October 28th, 2011 P.Gumplinger - field-V09- 1004 October 28th, 2011 P.Gumplinger - field-V09-04-03
1121 -------------------------------- 1005 --------------------------------
1122 - Added (uniform) gravity field capability. << 1006 - Added (uniform) gravity field capability.
1123 New classes G4EqGravityField, G4UniformGrav 1007 New classes G4EqGravityField, G4UniformGravityField.
1124 1008
1125 *Required* for co-working tag in Transporta 1009 *Required* for co-working tag in Transportation
1126 1010
1127 October 12th, 2011 P.Gumplinger - field-V09- 1011 October 12th, 2011 P.Gumplinger - field-V09-04-02
1128 -------------------------------- 1012 --------------------------------
1129 - replaced: omegac = 0.105658387*GeV/mass * 2 1013 - replaced: omegac = 0.105658387*GeV/mass * 2.837374841e-3*(rad/cm/kilogauss)
1130 with: omegac = (eplus/particleMass)*c_l 1014 with: omegac = (eplus/particleMass)*c_light
1131 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.c 1015 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc
1132 changed calculation: << 1016 changed calculation:
1133 std::sqrt(kineticEnergy*kineticEnergy + 1017 std::sqrt(kineticEnergy*kineticEnergy + 2.0*restMass_c2*kineticEnergy);
1134 to: 1018 to:
1135 std::sqrt(kineticEnergy*(kineticEnergy+2 1019 std::sqrt(kineticEnergy*(kineticEnergy+2.0*restMass_c2))
1136 in G4FieldTrack.cc 1020 in G4FieldTrack.cc
1137 1021
1138 August 11th, 2011 G.Cosmo - field-V09-04-01 1022 August 11th, 2011 G.Cosmo - field-V09-04-01
1139 -------------------------- 1023 --------------------------
1140 - Migrated to new G4Exception scheme for warn 1024 - Migrated to new G4Exception scheme for warnings and errors.
1141 - Defined scheme for warnings/errors coding: 1025 - Defined scheme for warnings/errors coding:
1142 + 1xxx for warnings, 0xxx for errors. 1026 + 1xxx for warnings, 0xxx for errors.
1143 Code numbering: 1027 Code numbering:
1144 + 0001: not supported or implemented featur 1028 + 0001: not supported or implemented features;
1145 + 0002: invalid setup/construct; 1029 + 0002: invalid setup/construct;
1146 + 0003: invalid run condition; 1030 + 0003: invalid run condition;
1147 + 1001: incorrect setup; automatically adap 1031 + 1001: incorrect setup; automatically adapted.
1148 + 1002: notification. 1032 + 1002: notification.
1149 1033
1150 May 13th, 2011 J.Apostolakis 1034 May 13th, 2011 J.Apostolakis
1151 ---------------------------- 1035 ----------------------------
1152 - Added new class G4TrialsCounter for keeping 1036 - Added new class G4TrialsCounter for keeping statistics of trials.
1153 - Avoid printing out pointer in G4CachedMagne 1037 - Avoid printing out pointer in G4CachedMagneticField::ReportStatistics().
1154 - Updated unit tests. 1038 - Updated unit tests.
1155 1039
1156 May 12th, 2011 G.Cosmo - field-V09-04-00 1040 May 12th, 2011 G.Cosmo - field-V09-04-00
1157 ----------------------- 1041 -----------------------
1158 - Fixed compilation warnings from gcc-4.6.0 f 1042 - Fixed compilation warnings from gcc-4.6.0 for variables set but not used.
1159 1043
1160 May 5th, 2011 J.Apostolakis 1044 May 5th, 2011 J.Apostolakis
1161 ---------------------------- 1045 ----------------------------
1162 - Reordered data members to group invariants, 1046 - Reordered data members to group invariants, field parameters, etc...
1163 1047
1164 Sep 10th, 2010 J.Apostolakis - field-V09-03- 1048 Sep 10th, 2010 J.Apostolakis - field-V09-03-03
1165 ----------------------------- 1049 -----------------------------
1166 - Revised constructor of G4MagErrorStepper to 1050 - Revised constructor of G4MagErrorStepper to add number of State variables
1167 - Corrected MagErrorStepper to copy State Var 1051 - Corrected MagErrorStepper to copy State Variable to output
1168 - Enable G4ConstRK4 to copy remaining State V 1052 - Enable G4ConstRK4 to copy remaining State Variables (must integrate 6)
1169 1053
1170 Sep 10th, 2010 J.Apostolakis - field-V09-03- 1054 Sep 10th, 2010 J.Apostolakis - field-V09-03-02
1171 ----------------------------- 1055 -----------------------------
1172 - New class G4MonopoleEq for rhs of d(pc)/ds 1056 - New class G4MonopoleEq for rhs of d(pc)/ds propagation in field
1173 in SI units (V.Grichine). 1057 in SI units (V.Grichine).
1174 - Fixed passing of time in G4NystromRK4 1058 - Fixed passing of time in G4NystromRK4
1175 1059
1176 Jul 21st, 2010 T.Nikitina - field-V09-03-01 1060 Jul 21st, 2010 T.Nikitina - field-V09-03-01
1177 -------------------------- 1061 --------------------------
1178 - Fixed cases of memory corruption in G4RKG3_ 1062 - Fixed cases of memory corruption in G4RKG3_Stepper.
1179 - Fixed case of unused array data member in G 1063 - Fixed case of unused array data member in G4ExactHelixStepper.
1180 - Removed useless code never executed in G4Co 1064 - Removed useless code never executed in G4ConstRK4::Stepper().
1181 - Fixed initialization in G4NystromRK4 constr 1065 - Fixed initialization in G4NystromRK4 constructor.
1182 1066
1183 Jul 14th, 2010 G.Cosmo - field-V09-03-00 1067 Jul 14th, 2010 G.Cosmo - field-V09-03-00
1184 ----------------------- 1068 -----------------------
1185 - Added dummy initialization of members in co 1069 - Added dummy initialization of members in constructors for G4CashKarpRKF45,
1186 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMField 1070 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMFieldWithSpin, G4ExactHelixStepper,
1187 G4FieldTrack, G4MagHelicalStepper, G4MagInt 1071 G4FieldTrack, G4MagHelicalStepper, G4MagInt_Driver, G4Mag_EqRhs,
1188 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4Nystro 1072 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4NystromRK4, G4RKG3_Stepper,
1189 G4UniformElectricField, G4UniformElectricFi 1073 G4UniformElectricField, G4UniformElectricField.
1190 1074
1191 Nov 12th, 2009 J.Apostolakis - field-V09-02- 1075 Nov 12th, 2009 J.Apostolakis - field-V09-02-09
1192 ----------------------------- 1076 -----------------------------
1193 - G4MagIntegratorDriver: activate check on i 1077 - G4MagIntegratorDriver: activate check on integration error for spin.
1194 1078
1195 Nov 12th, 2009 J.Apostolakis - field-V09-02- 1079 Nov 12th, 2009 J.Apostolakis - field-V09-02-08
1196 ----------------------------- (fix only) 1080 ----------------------------- (fix only)
1197 - G4Nystrom: Corrected interface method getF 1081 - G4Nystrom: Corrected interface method getField: array now has explicit dimension[4]
1198 (Problem found by gcc 4.3 - i 1082 (Problem found by gcc 4.3 - it checked indices used in inline method! )
1199 1083
1200 Nov 6th, 2009 P.Gumplinger - field-V09-02-07 1084 Nov 6th, 2009 P.Gumplinger - field-V09-02-07
1201 --------------------------- 1085 ---------------------------
1202 - bug fix in G4EqEMFieldWithSpin and G4EqEMFi 1086 - bug fix in G4EqEMFieldWithSpin and G4EqEMFieldWithEDM
1203 thanks to Hiromi Iinuma (KEK) see: 1087 thanks to Hiromi Iinuma (KEK) see:
1204 http://hypernews.slac.stanford.edu/HyperNew 1088 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/161.html
1205 1089
1206 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1090 Nov 5th, 2009 J.Apostolakis - field-V09-02-06
1207 ---------------------------- 1091 ----------------------------
1208 - G4MagIntegratorDriver.cc : Enabled call to 1092 - G4MagIntegratorDriver.cc : Enabled call to ComputeRightHandSide
1209 - G4NystromRK4.cc : Disabled auxilia 1093 - G4NystromRK4.cc : Disabled auxiliary code in Stepper (needed if
1210 ComputeRightHan 1094 ComputeRightHandSide is not called.)
1211 1095
1212 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1096 Nov 5th, 2009 J.Apostolakis - field-V09-02-05
1213 ---------------------------- 1097 ----------------------------
1214 - Added new virtual method CalculateRightHand 1098 - Added new virtual method CalculateRightHandSide to G4MagIntegratorStepper for use
1215 in caching momentum (and field value) b 1099 in caching momentum (and field value) by G4NystromRK4
1216 Default implementation in G4MagIntegrat 1100 Default implementation in G4MagIntegratorStepper calls RightHandSide inline method.
1217 - G4Nystrom: New Set/Get method for cache di 1101 - G4Nystrom: New Set/Get method for cache distance.
1218 Changed private data members in 1102 Changed private data members in G4NystromRK4.
1219 - G4MagIntegratorDriver: alternative call to 1103 - G4MagIntegratorDriver: alternative call to ComputeRightHandSide is not used (in comment)
1220 As a result G4NystromRK4 operat << 1104 As a result G4NystromRK4 operates without reusing
1221 1105
1222 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1106 Nov 5th, 2009 J.Apostolakis - field-V09-02-04
1223 ---------------------------- 1107 ----------------------------
1224 - G4CachedMagneticField: New Simple class to << 1108 - G4CachedMagneticField: New Simple class to cache value of Magnetic Field.
1225 Speeds up code when calculation of field 1109 Speeds up code when calculation of field value is complex.
1226 - G4NystromRK4 : New Stepper with Nys 1110 - G4NystromRK4 : New Stepper with Nystrom for magnetic field
1227 with analytic estimation of integration << 1111 with analytic estimation of integration error.
1228 Greatly reduces number of field value pe 1112 Greatly reduces number of field value per step.
1229 - Revised testPropagateMagField to use Cached 1113 - Revised testPropagateMagField to use Cached Quadrupole field,
1230 and to cover G4NystromRK4 and G4ConstRK4 1114 and to cover G4NystromRK4 and G4ConstRK4.
1231 1115
1232 Nov 4th, 2009 P.Gumplinger - field-V09-02-03 1116 Nov 4th, 2009 P.Gumplinger - field-V09-02-03
1233 --------------------------- 1117 ---------------------------
1234 - (minor change) remove comment from G4EqEMFi 1118 - (minor change) remove comment from G4EqEMFieldWithSpin.cc
1235 add G4EqEMFieldWithEDM class: this is the R 1119 add G4EqEMFieldWithEDM class: this is the RHS of EofM in a combined
1236 electric and magnetic field, with spin trac 1120 electric and magnetic field, with spin tracking for both MDM and EDM terms.
1237 Thanks to Kevin Lynch, Phys. Dept. at Bosto 1121 Thanks to Kevin Lynch, Phys. Dept. at Boston University.
1238 1122
1239 May 18th, 2009 T.Nikitina - field-V09-02-02 1123 May 18th, 2009 T.Nikitina - field-V09-02-02
1240 ------------------------- 1124 -------------------------
1241 - Enhanced algorithm G4ChordFinder::ApproxCur 1125 - Enhanced algorithm G4ChordFinder::ApproxCurvePointS() in order to speedup
1242 BrentLocator. 1126 BrentLocator.
1243 1127
1244 March 25th, 2009 G.Cosmo - field-V09-02-01 1128 March 25th, 2009 G.Cosmo - field-V09-02-01
1245 ------------------------ 1129 ------------------------
1246 - Some code cleanup and formatting... 1130 - Some code cleanup and formatting...
1247 1131
1248 March 6th, 2009 P.Gumplinger - field-V09-02-0 1132 March 6th, 2009 P.Gumplinger - field-V09-02-00
1249 ---------------------------- 1133 ----------------------------
1250 - Added 3rd term of BMT equation (Spin x Beta 1134 - Added 3rd term of BMT equation (Spin x Beta x Efield) to G4EqEMFieldWithSpin,
1251 addresses emfields forum posting #155 (bug 1135 addresses emfields forum posting #155 (bug report). Thanks to Kevin Lynch,
1252 Phys. Dept. at Boston University. 1136 Phys. Dept. at Boston University.
1253 - Moved renormalization of spin from G4EqEMFi 1137 - Moved renormalization of spin from G4EqEMFieldWithSpin and G4Mag_SpinEqRhs to
1254 G4ClassicalRK4 and G4SimpleHeum. 1138 G4ClassicalRK4 and G4SimpleHeum.
1255 - Added Spin propagation errors to the criter 1139 - Added Spin propagation errors to the criteria for 'OneGoodStep' in
1256 G4MagIntegratorDriver but actually don't ad 1140 G4MagIntegratorDriver but actually don't add it (yet) to the decision logic.
1257 1141
1258 November, 19th, 2008 P.Gumplinger - field-V0 1142 November, 19th, 2008 P.Gumplinger - field-V09-01-05
1259 ---------------------------------- 1143 ----------------------------------
1260 - Renormalized the spin to 1 in G4EqEMFieldWi 1144 - Renormalized the spin to 1 in G4EqEMFieldWithSpin and G4Mag_SpinEqRhs.
1261 1145
1262 November, 7th, 2008 P.Gumplinger - field-V0 1146 November, 7th, 2008 P.Gumplinger - field-V09-01-04
1263 ---------------------------------- 1147 ----------------------------------
1264 - Added SetAnomaly() and GetAnomaly() accesso 1148 - Added SetAnomaly() and GetAnomaly() accessors to G4EqEMFieldWithSpin.
1265 1149
1266 October, 28th, 2008 T.Nikitina - field-V09- 1150 October, 28th, 2008 T.Nikitina - field-V09-01-03
1267 -------------------------------- 1151 --------------------------------
1268 - Added 'ApproxCurveV' to method G4ChordFinde << 1152 - Added 'ApproxCurveV' to method G4ChordFinder::ApproxCurvePointS() in
1269 order to better calculate the curve length. 1153 order to better calculate the curve length.
1270 - Some code cleanup. 1154 - Some code cleanup.
1271 1155
1272 September, 18th, 2008 T.Nikitina 1156 September, 18th, 2008 T.Nikitina
1273 ---------------------------------- 1157 ----------------------------------
1274 - Added new stepper class G4ConstRK4, perform 1158 - Added new stepper class G4ConstRK4, performing integration of one step
1275 with error calculation in constant magnetic 1159 with error calculation in constant magnetic field; implementation derived
1276 from G4ClassicalRK4. 1160 from G4ClassicalRK4.
1277 1161
1278 July, 15th, 2008 J.Apostolakis - field-V09- 1162 July, 15th, 2008 J.Apostolakis - field-V09-01-02
1279 -------------------------------- 1163 --------------------------------
1280 - Revised signature of G4ChordFinder::FinderN 1164 - Revised signature of G4ChordFinder::FinderNextChord(), making 'FieldTrack'
1281 argument passed a reference. 1165 argument passed a reference.
1282 1166
1283 May, 28th, 2008 T.Nikitina 1167 May, 28th, 2008 T.Nikitina
1284 ---------------------------- 1168 ----------------------------
1285 - G4ChordFinder: added new method ApproxCurve 1169 - G4ChordFinder: added new method ApproxCurvePointS() using Brent second order
1286 location mechanism. 1170 location mechanism.
1287 1171
1288 April 24th, 2008 T.Nikitina - field-V09-01- 1172 April 24th, 2008 T.Nikitina - field-V09-01-01
1289 ----------------------------- 1173 -----------------------------
1290 - Fix 'unused' non-initialized values of dydx 1174 - Fix 'unused' non-initialized values of dydx in G4EqMagElectricField
1291 and G4EqEMFieldWithSpin. 1175 and G4EqEMFieldWithSpin.
1292 1176
1293 January 17th, 2008 G.Cosmo - field-V09-01-0 1177 January 17th, 2008 G.Cosmo - field-V09-01-00
1294 ---------------------------- 1178 ----------------------------
1295 - G4CashKarpRKF45: deleted un-needed duplicat 1179 - G4CashKarpRKF45: deleted un-needed duplicate (and unused) instance variable
1296 'fNumberOfVariables', already defined in G4M 1180 'fNumberOfVariables', already defined in G4MagIntegratorStepper. (J.Ap.)
1297 - Some code cleanup. 1181 - Some code cleanup.
1298 1182
1299 December 7th, 2007 J.Apostolakis & T.Nikiti 1183 December 7th, 2007 J.Apostolakis & T.Nikitina - field-V09-00-03
1300 --------------------------------------------- 1184 -----------------------------------------------
1301 - New class G4FieldManagerStore. It enables r 1185 - New class G4FieldManagerStore. It enables resetting of all chord
1302 finders' state. Needed to address problem r 1186 finders' state. Needed to address problem reported by user.
1303 1187
1304 September 9th, 2007 G.Cosmo - field-V09-00-0 1188 September 9th, 2007 G.Cosmo - field-V09-00-02a
1305 ---------------------------- 1189 ----------------------------
1306 - Some code cleanup in G4MagHelicalStepper.cc 1190 - Some code cleanup in G4MagHelicalStepper.cc.
1307 1191
1308 August 30th, 2007 P.Gumplinger - field-V09 1192 August 30th, 2007 P.Gumplinger - field-V09-00-02
1309 --------------------------------- 1193 ---------------------------------
1310 - Add G4EqEMFieldWithSpin class to allow trac 1194 - Add G4EqEMFieldWithSpin class to allow tracking of spin also in
1311 G4ElectroMagneticFields 1195 G4ElectroMagneticFields
1312 1196
1313 August 21st, 2007 T.Nikitina - field-V09-0 1197 August 21st, 2007 T.Nikitina - field-V09-00-01
1314 ------------------------------- 1198 -------------------------------
1315 - Fix to DistChord() method for Helical Stepp 1199 - Fix to DistChord() method for Helical Steppers: adopt 'special' case
1316 also for Ang<2pi not only for Ang<pi; use c 1200 also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
1317 improve CPU performance. 1201 improve CPU performance.
1318 - Improved AdvanceHelix() to be able to make 1202 - Improved AdvanceHelix() to be able to make half step and full step
1319 in one call. 1203 in one call.
1320 - In G4HelixMixedStepper added possibility to 1204 - In G4HelixMixedStepper added possibility to call different steppers for
1321 small steps and add some statistics how off 1205 small steps and add some statistics how offen different steppers are called.
1322 - G4RKG3_Stepper: improved internal algorithm 1206 - G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
1323 the stepper now gives comparable CPU perfor << 1207 the stepper now gives comparable CPU performance as ClassicalRK4.
1324 - Updated unit tests. 1208 - Updated unit tests.
1325 1209
1326 August 17th, 2007 G.Cosmo - field-V09-00-0 1210 August 17th, 2007 G.Cosmo - field-V09-00-00
1327 ---------------------------- 1211 ----------------------------
1328 - Changed FatalException to EventMustBeAborte 1212 - Changed FatalException to EventMustBeAborted in AccurateAdvance()
1329 if proposed integration step is negative. 1213 if proposed integration step is negative.
1330 1214
1331 June 8th, 2007 T.Nikitina - field-V08-03-0 1215 June 8th, 2007 T.Nikitina - field-V08-03-03
1332 ---------------------------- 1216 ----------------------------
1333 - Relaxed FatalException to Warning in G4MagI << 1217 - Relaxed FatalException to Warning in G4MagIntegratorDriver::AccurateAdvance()
1334 for case of step zero and return previous v << 1218 for case of step zero and return previous value. This fixes problem
1335 observed by ATLAS in release 8.3 when requi 1219 observed by ATLAS in release 8.3 when requiring very accurate propagation
1336 -- ie using very small values for acceptabl 1220 -- ie using very small values for acceptable integration error.
1337 1221
1338 May 18th, 2007 T.Nikitina - field-V08-03-0 1222 May 18th, 2007 T.Nikitina - field-V08-03-02
1339 ---------------------------- 1223 ----------------------------
1340 - New class G4HelixMixedStepper, mixing helic 1224 - New class G4HelixMixedStepper, mixing helical stepper and RK
1341 G4MagHelicalStepper 1225 G4MagHelicalStepper
1342 - Keep values of inverse Radius, .. 1226 - Keep values of inverse Radius, ..
1343 - New calculation of DistChord for SteppingAn 1227 - New calculation of DistChord for SteppingAngle > pi
1344 G4RKG3Stepper 1228 G4RKG3Stepper
1345 - New calculation of DistChord for SteppingAn 1229 - New calculation of DistChord for SteppingAngle > pi
1346 1230
1347 May 16th, 2007 G.Cosmo - field-V08-03-01 1231 May 16th, 2007 G.Cosmo - field-V08-03-01
1348 ------------------------- 1232 -------------------------
1349 - Introduced new class G4ErrorMag_UsualEqRhs 1233 - Introduced new class G4ErrorMag_UsualEqRhs used to reverse the magnetic
1350 field when propagation is backwards for err 1234 field when propagation is backwards for error propagation (by P.Arce).
1351 - Coworks with tag "global-V08-03-02". 1235 - Coworks with tag "global-V08-03-02".
1352 1236
1353 May 11th, 2007 G.Cosmo - field-V08-03-00 1237 May 11th, 2007 G.Cosmo - field-V08-03-00
1354 ------------------------- 1238 -------------------------
1355 - Use call to G4GeometryTolerance instead of 1239 - Use call to G4GeometryTolerance instead of kCarTolerance constant in
1356 G4MagIntegratorDriver. 1240 G4MagIntegratorDriver.
1357 - Requires tag "global-V08-03-00" and related 1241 - Requires tag "global-V08-03-00" and related tag set.
1358 1242
1359 May 10th, 2007 J.Apostolakis - field-V08-0 1243 May 10th, 2007 J.Apostolakis - field-V08-02-01
1360 ------------------------------- 1244 -------------------------------
1361 - G4MagIntegratorDriver: << 1245 - G4MagIntegratorDriver:
1362 * added protections against zero initial 1246 * added protections against zero initial or internal step h=0, (exceptions)
1363 * revised (re)calculation of h, and quit << 1247 * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12)
1364 1248
1365 April 26th, 2007 T.Nikitina - field-V08-02-0 1249 April 26th, 2007 T.Nikitina - field-V08-02-00
1366 ---------------------------- 1250 ----------------------------
1367 - Corrected integration constants in G4MagHel 1251 - Corrected integration constants in G4MagHelicalStepper
1368 - Added implementation of G4RKG3_Stepper, ste 1252 - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
1369 - Updated NTST unit test. New unit test "fiel 1253 - Updated NTST unit test. New unit test "field06" for comparison of steppers.
1370 1254
1371 November 14th, 2006 J.Apostolakis - field-V0 1255 November 14th, 2006 J.Apostolakis - field-V08-01-02
1372 ---------------------------------- 1256 ----------------------------------
1373 - G4MagIntegratorDriver 1257 - G4MagIntegratorDriver
1374 * Made first argument of GetDerivatives a r 1258 * Made first argument of GetDerivatives a reference - avoid copy
1375 - G4MagIntegratorStepper 1259 - G4MagIntegratorStepper
1376 * Include the SetEquationOfMotion() method << 1260 * Include the SetEquationOfMotion() method in G4MagIntegratorStepper
1377 (for Geant4e, as in field-V08-01-00) 1261 (for Geant4e, as in field-V08-01-00)
1378 * Update of disclaimers. 1262 * Update of disclaimers.
1379 1263
1380 November 13th, 2006 G.Cosmo - field-V08-01-0 1264 November 13th, 2006 G.Cosmo - field-V08-01-01
1381 ---------------------------- 1265 ----------------------------
1382 - G4FieldTrack: 1266 - G4FieldTrack:
1383 o Implemented missing definition for GetCha 1267 o Implemented missing definition for GetCharge().
1384 o Corrected 'const' qualifier for accessors 1268 o Corrected 'const' qualifier for accessors in the subclass.
1385 o Cleanup ... 1269 o Cleanup ...
1386 - NOTE: this tag is NOT including the change 1270 - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
1387 1271
1388 June 21st, 2006 J.Apostolakis - field-V08-01 1272 June 21st, 2006 J.Apostolakis - field-V08-01-00
1389 ------------------------------ 1273 ------------------------------
1390 - Including the SetEquationOfMotion() method 1274 - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
1391 1275
1392 June 22nd, 2006 J.Apostolakis - field-V08-00 1276 June 22nd, 2006 J.Apostolakis - field-V08-00-07
1393 ----------------------------- 1277 -----------------------------
1394 - G4ExactHelixStepper: reintroduced corrected << 1278 - G4ExactHelixStepper: reintroduced corrected class
1395 --> testPropagateMagField now tests it al 1279 --> testPropagateMagField now tests it also (added)
1396 - G4MagHelicalStepper: made Stepper virtual ( << 1280 - G4MagHelicalStepper: made Stepper virtual (for now)
1397 to enable G4ExactHelixStepper to 1281 to enable G4ExactHelixStepper to override it
1398 1282
1399 June 21st, 2006 J.Apostolakis - field-V08-00 1283 June 21st, 2006 J.Apostolakis - field-V08-00-06
1400 ----------------------------- 1284 -----------------------------
1401 - G4ExactHelixStepper: taking out class << 1285 - G4ExactHelixStepper: taking out class
1402 (provisional tag in case of difficulties w 1286 (provisional tag in case of difficulties with class, revisions)
1403 1287
1404 --- The field-V08-00-0x , x > 6, tags do not 1288 --- The field-V08-00-0x , x > 6, tags do not include the change below
1405 1289
1406 May 27th, 2006 J.Apostolakis - field-V08-00- 1290 May 27th, 2006 J.Apostolakis - field-V08-00-05
1407 ----------------------------- 1291 -----------------------------
1408 - G4FieldTrack: Fix for simple compilation er 1292 - G4FieldTrack: Fix for simple compilation error on Sun.
1409 1293
1410 May 23rd, 2006 J.Apostolakis - field-V08-00- 1294 May 23rd, 2006 J.Apostolakis - field-V08-00-04
1411 ----------------------------- 1295 -----------------------------
1412 - G4FieldTrack: Fix for memory leak for Charg 1296 - G4FieldTrack: Fix for memory leak for ChargeState
1413 Made G4ChargeState a data member (has an i 1297 Made G4ChargeState a data member (has an instance)
1414 1298
1415 May 18th, 2006 J.Apostolakis - field-V08-00- 1299 May 18th, 2006 J.Apostolakis - field-V08-00-03
1416 ----------------------------- 1300 -----------------------------
1417 - G4FieldTrack: Fix for issue with gcc 4.0 ( 1301 - G4FieldTrack: Fix for issue with gcc 4.0 (mac)
1418 1302
1419 May 16th, 2006 J.Apostolakis - field-V08-00- 1303 May 16th, 2006 J.Apostolakis - field-V08-00-02
1420 ----------------------------- 1304 -----------------------------
1421 - G4ExactHelixStepper 1305 - G4ExactHelixStepper
1422 Taken out alpha version - it was included << 1306 Taken out alpha version - it was included in error
1423 1307
1424 May 11th, 2006 J.Apostolakis - field-V08-00- 1308 May 11th, 2006 J.Apostolakis - field-V08-00-01
1425 ----------------------------- 1309 -----------------------------
1426 - G4FieldTrack 1310 - G4FieldTrack
1427 Significant, provisional change: 1311 Significant, provisional change:
1428 * Added charge and moments to FieldTrack << 1312 * Added charge and moments to FieldTrack
1429 (SetMethods, and pointer to embedde 1313 (SetMethods, and pointer to embedded class G4ChargeState)
1430 Technical revisions: 1314 Technical revisions:
1431 * New constructor, with charge and witho 1315 * New constructor, with charge and without velocity
1432 * New almost-default constructor (taking 1316 * New almost-default constructor (taking a character)
1433 Also: << 1317 Also:
1434 * New constructor to take const referenc 1318 * New constructor to take const reference to Spin
1435 * New implementation method UpdateFourMo 1319 * New implementation method UpdateFourMomentum
1436 * Streaming operator takes const referen << 1320 * Streaming operator takes const reference,
1437 and outputs momentum magnitude & dir 1321 and outputs momentum magnitude & direction magn.
1438 1322
1439 - G4ExactHelixStepper 1323 - G4ExactHelixStepper
1440 Included in error << 1324 Included in error
1441 1325
1442 Apr 6th, 2006 J.Apostolakis - field-V08-00-0 1326 Apr 6th, 2006 J.Apostolakis - field-V08-00-00
1443 ---------------------------- 1327 ----------------------------
1444 - In G4FieldManager 1328 - In G4FieldManager
1445 Added missing const GetChordFinder() method << 1329 Added missing const GetChordFinder() method -- Problem report #847
1446 Corrected description (at top of include fil 1330 Corrected description (at top of include file hh):
1447 - It is possible to set the field manager o 1331 - It is possible to set the field manager of a logical volume (since long)
1448 1332
1449 1333
1450 Nov 9th, 2005 G.Cosmo - field-V07-01-00 1334 Nov 9th, 2005 G.Cosmo - field-V07-01-00
1451 ---------------------- 1335 ----------------------
1452 - Archived source code of field01 unit test, 1336 - Archived source code of field01 unit test, now moved to examples/extended.
1453 - Migrated unit test NTST to use <sstream> an 1337 - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
1454 with G4VParticleChange new interface. 1338 with G4VParticleChange new interface.
1455 1339
1456 Dec 2nd, 2004 G.Cosmo - field-V06-02-02 1340 Dec 2nd, 2004 G.Cosmo - field-V06-02-02
1457 ---------------------- 1341 ----------------------
1458 - Implemented migration to <cmath> for standa 1342 - Implemented migration to <cmath> for standard mathematical functions.
1459 1343
1460 Dec 2nd, 2004 J.Apostolakis - field-V06-02-0 1344 Dec 2nd, 2004 J.Apostolakis - field-V06-02-01
1461 ---------------------------- 1345 ----------------------------
1462 - Improvements to comments in key Field class 1346 - Improvements to comments in key Field classes
1463 - Changes to test/NTST, renaming 'main()' fil 1347 - Changes to test/NTST, renaming 'main()' file & modifying input files
1464 - Several improvements to test files 1348 - Several improvements to test files
1465 testProElectroMagField.cc 1349 testProElectroMagField.cc
1466 * updating for new Electric Field inheri 1350 * updating for new Electric Field inheritance (& need for
1467 different ChordFinder creation ) 1351 different ChordFinder creation )
1468 * adding columns to print-outs in spin c 1352 * adding columns to print-outs in spin case for better diagnosis
1469 testPropagateMagField.cc 1353 testPropagateMagField.cc
1470 * Added verbosity level 1 to field Propa 1354 * Added verbosity level 1 to field Propagator, relabelled old method.
1471 testPropagateSpin.cc 1355 testPropagateSpin.cc
1472 * Added more printout of parameters (sta 1356 * Added more printout of parameters (state) of G4PropagatorInField
1473 and G4FieldManager before running each 1357 and G4FieldManager before running each test.
1474 test/NTST 1358 test/NTST
1475 * Renamed main() file to testNTST.cc and 1359 * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
1476 1360
1477 1361
1478 Oct 20th, 2004 P.Gumplinger - field-V06-02-0 1362 Oct 20th, 2004 P.Gumplinger - field-V06-02-00
1479 ---------------------------- 1363 ----------------------------
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi 1364 - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
1481 1365
1482 Feb 9th, 2004 G.Cosmo - field-V06-00-00 1366 Feb 9th, 2004 G.Cosmo - field-V06-00-00
1483 ---------------------- 1367 ----------------------
1484 - G4UniformMagField.cc: added missing impleme 1368 - G4UniformMagField.cc: added missing implementation for
1485 GetConstantFieldValue(). Fixes bug report # 1369 GetConstantFieldValue(). Fixes bug report #575.
1486 1370
1487 Nov 13th, 2003 J.Apostolakis - field-V05-02- 1371 Nov 13th, 2003 J.Apostolakis - field-V05-02-08
1488 ----------------------------- 1372 -----------------------------
1489 - G4ChordFinder: << 1373 - G4ChordFinder:
1490 o extended the arguments of AdvanceChordLim 1374 o extended the arguments of AdvanceChordLimited and FindNextChord
1491 adding the current safety sphere (origin, 1375 adding the current safety sphere (origin, radius), for use in optimising.
1492 o fixed set functions which had side effect 1376 o fixed set functions which had side effect (on first fraction.)
1493 - Added new class G4ChordFinderSaf (using abo 1377 - Added new class G4ChordFinderSaf (using above)
1494 o which uses safety to create longer chords << 1378 o which uses safety to create longer chords, so enabling
1495 propagation in fewer steps --> performa 1379 propagation in fewer steps --> performance optimisation
1496 - G4FieldManager: << 1380 - G4FieldManager:
1497 Changed default accuracy parameters to mu 1381 Changed default accuracy parameters to much better values:
1498 Epsilon Min Default to 5.0e-5 from 1382 Epsilon Min Default to 5.0e-5 from 5.0e-7 (too small)
1499 Epsilon Max Default to 0.001 from 1383 Epsilon Max Default to 0.001 from 0.05 (far too big)
1500 1384
1501 Nov 7th, 2003 J.Apostolakis - field-V05-02- 1385 Nov 7th, 2003 J.Apostolakis - field-V05-02-07
1502 ----------------------------- 1386 -----------------------------
1503 - G4ChordFinder << 1387 - G4ChordFinder
1504 o Made this a base class 1388 o Made this a base class
1505 * to enable specialised implementations 1389 * to enable specialised implementations
1506 * virtual methods: FindNextChord, PrintSt 1390 * virtual methods: FindNextChord, PrintStatistics)
1507 * new method AccumulateStatistics to aid 1391 * new method AccumulateStatistics to aid in this
1508 1392
1509 o New default value of 1393 o New default value of Accuracy!!
1510 Delta Chord to 0.25 mm (from 1394 Delta Chord to 0.25 mm (from 3.00 mm) <-----
1511 << 1395
1512 - G4FieldManager 1396 - G4FieldManager
1513 o Changed default values of 1397 o Changed default values of
1514 Delta One Step to 0.010 mm (from 1398 Delta One Step to 0.010 mm (from 0.25 mm) <-----
1515 Delta Intersection to 0.001 mm (from 1399 Delta Intersection to 0.001 mm (from 0.10 mm) <-----
1516 for increased default accuracy 1400 for increased default accuracy
1517 o Use field's DoesFieldChangesEnergy method 1401 o Use field's DoesFieldChangesEnergy method to set relevant member variable
1518 1402
1519 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1403 Nov 7th, 2003 J.Apostolakis - field-V05-02-06
1520 ---------------------------- 1404 ----------------------------
1521 - G4ChordFinder 1405 - G4ChordFinder
1522 Created new class members for parameters u 1406 Created new class members for parameters used in heuristics:
1523 fFirstFraction for first st 1407 fFirstFraction for first step
1524 fFractionLast fraction of 1408 fFractionLast fraction of last step, if redoing
1525 fFractionNextEstimate confidence i 1409 fFractionNextEstimate confidence in step est from chord
1526 fMultipleRadius for small ra 1410 fMultipleRadius for small radii of curve
1527 New method to Print Statistics. 1411 New method to Print Statistics.
1528 Verbosity to enable optional printing of s 1412 Verbosity to enable optional printing of stats in destructor.
1529 1413
1530 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1414 Nov 7th, 2003 J.Apostolakis - field-V05-02-05
1531 ---------------------------- 1415 ----------------------------
1532 - G4ChordFinder 1416 - G4ChordFinder
1533 o Added simple statistics (with access meth 1417 o Added simple statistics (with access methods)
1534 - test/NTST 1418 - test/NTST
1535 o Added new test, taken from D. Williams' e 1419 o Added new test, taken from D. Williams' exampleNTST
1536 modified and maintained by J. Apostolaki << 1420 modified and maintained by J. Apostolakis
1537 1421
1538 Nov 5th, 2003 J.Apostolakis - field-V05-02-0 1422 Nov 5th, 2003 J.Apostolakis - field-V05-02-04
1539 ---------------------------- 1423 ----------------------------
1540 - G4FieldManager 1424 - G4FieldManager
1541 o Added Get/Set Min/Max imumEpsilonStep 1425 o Added Get/Set Min/Max imumEpsilonStep
1542 o Added fEpsilonMin fEpsilonMax & default t << 1426 o Added fEpsilonMin fEpsilonMax & default to member variables.
1543 >> Now these can be tailored for different 1427 >> Now these can be tailored for different parts of a detector or setup
1544 1428
1545 - G4Field G4ElectroMagneticField G4MagneticFi 1429 - G4Field G4ElectroMagneticField G4MagneticField
1546 o Adding the virtual method DoesFieldChan 1430 o Adding the virtual method DoesFieldChangeEnergy() [to be used later]
1547 o So that G4ElectroMagneticField derives fr 1431 o So that G4ElectroMagneticField derives from G4Field
1548 and G4MagneticField derives from G4Electr 1432 and G4MagneticField derives from G4ElectroMagneticField
1549 1433
1550 - G4MagErrorStepper and derived classes 1434 - G4MagErrorStepper and derived classes
1551 (G4ClassicalRK4 G4SimpleRunge G4ExplicitE 1435 (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
1552 o the constructors take G4EquationOfMotion 1436 o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
1553 as it these applicable to all types of eq << 1437 as it these applicable to all types of equations
1554 (not just ones for Magnetic field) 1438 (not just ones for Magnetic field)
1555 1439
1556 - G4EqMagElectricField 1440 - G4EqMagElectricField
1557 o derives from G4EquationOfMotion 1441 o derives from G4EquationOfMotion
1558 1442
1559 - G4ChordFinder 1443 - G4ChordFinder
1560 o Moved simple constructor to .cc file (tog 1444 o Moved simple constructor to .cc file (together with 'complex' one)
1561 o Changed fDefaultDeltaChord to a constant 1445 o Changed fDefaultDeltaChord to a constant member variable (from class var.)
1562 1446
1563 Nov 4th, 2003 G.Cosmo - field-V05-02-03 1447 Nov 4th, 2003 G.Cosmo - field-V05-02-03
1564 ---------------------- 1448 ----------------------
1565 Undocumented. 1449 Undocumented.
1566 1450
1567 Nov 4th, 2003 G.Cosmo - field-V05-02-02 1451 Nov 4th, 2003 G.Cosmo - field-V05-02-02
1568 ---------------------- 1452 ----------------------
1569 - G4ChordFinder.cc: 1453 - G4ChordFinder.cc:
1570 o Fixed compilation problem occuring when G 1454 o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
1571 1455
1572 Oct 31st, 2003 G.Cosmo - field-V05-02-01 1456 Oct 31st, 2003 G.Cosmo - field-V05-02-01
1573 ----------------------- 1457 -----------------------
1574 - Code cleanup and removal of redundant heade 1458 - Code cleanup and removal of redundant header includes, replaced
1575 where necessary by forward declarations. 1459 where necessary by forward declarations.
1576 1460
1577 Oct 24th, 2003 G.Cosmo - field-V05-02-00 1461 Oct 24th, 2003 G.Cosmo - field-V05-02-00
1578 ----------------------- 1462 -----------------------
1579 - Migrated to use new G4Exception scheme. 1463 - Migrated to use new G4Exception scheme.
1580 - Updated outputs of unit tests. 1464 - Updated outputs of unit tests.
1581 1465
1582 Jun 25th, 2003 J.Apostolakis - field-V05-01- 1466 Jun 25th, 2003 J.Apostolakis - field-V05-01-06
1583 ----------------------------- 1467 -----------------------------
1584 - Suppressed printing of statistics (by defau 1468 - Suppressed printing of statistics (by default) in MagIntegrationDriver.
1585 - Fix for unused variables warning in ChordFi 1469 - Fix for unused variables warning in ChordFinder.
1586 1470
1587 Jun 24th, 2003 J.Apostolakis - field-V05-01- 1471 Jun 24th, 2003 J.Apostolakis - field-V05-01-05
1588 ----------------------------- 1472 -----------------------------
1589 - Fix for problems introduced in field-V05-01 1473 - Fix for problems introduced in field-V05-01-03:
1590 o G4ChordFinder: 1474 o G4ChordFinder:
1591 - Fixed unitialised variable for next ste 1475 - Fixed unitialised variable for next step (now used for optimisation).
1592 - Protected assignment of 'fLastStepEstim 1476 - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
1593 unitialised value. 1477 unitialised value.
1594 1478
1595 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1479 Jun 21st, 2003 J.Apostolakis - field-V05-01-04
1596 ----------------------------- 1480 -----------------------------
1597 - G4FieldManager: 1481 - G4FieldManager:
1598 o Revised into 'slightly' abstract class wi 1482 o Revised into 'slightly' abstract class with one (new) virtual method:
1599 ConfigureForTrack( const G4Track *) 1483 ConfigureForTrack( const G4Track *)
1600 to enable the user to configure it with d 1484 to enable the user to configure it with different accuracy parameters
1601 depending on energy, particle id, volume, 1485 depending on energy, particle id, volume, or other track state.
1602 Currently by default, no such configurati 1486 Currently by default, no such configuration action is undertaken.
1603 1487
1604 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1488 Jun 21st, 2003 J.Apostolakis - field-V05-01-03
1605 ----------------------------- 1489 -----------------------------
1606 - Revised G4ChordFinder: 1490 - Revised G4ChordFinder:
1607 * FindNextChord now provides next Step esti 1491 * FindNextChord now provides next Step estimate (for accuracy in Integr.)
1608 * AdvanceChordLimited to use 1492 * AdvanceChordLimited to use
1609 - above extra argument to FindNextChord 1493 - above extra argument to FindNextChord
1610 - the next Step argument as initial-step 1494 - the next Step argument as initial-step suggested to Accurate Advance
1611 - G4MagIntegratorDriver: 1495 - G4MagIntegratorDriver:
1612 * Added extra argument to Accurate Advance: 1496 * Added extra argument to Accurate Advance:
1613 hinitial: suggested initial step size 1497 hinitial: suggested initial step size
1614 - Note: 1498 - Note:
1615 * Purpose: performance boost with small/li << 1499 * Purpose: performance boost with small/limited changes,
1616 including minor revisions of interfaces. 1500 including minor revisions of interfaces.
1617 1501
1618 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1502 Jun 20th, 2003 J.Apostolakis - field-V05-01-02
1619 ----------------------------- 1503 -----------------------------
1620 - G4MagIntegratorDriver Quick Advance: 1504 - G4MagIntegratorDriver Quick Advance:
1621 o Took out two unneccessary square roots an 1505 o Took out two unneccessary square roots and two divisions.
1622 - Notes: 1506 - Notes:
1623 1) Pure magnetic, electric, spin field test 1507 1) Pure magnetic, electric, spin field test are completed.
1624 2) Purpose: performance boost with small c 1508 2) Purpose: performance boost with small changes.
1625 1509
1626 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1510 Jun 20th, 2003 J.Apostolakis - field-V05-01-01
1627 ----------------------------- 1511 -----------------------------
1628 - G4MagIntegratorDriver: 1512 - G4MagIntegratorDriver:
1629 o Corrected neglected conversion to <std> f 1513 o Corrected neglected conversion to <std> from "G4std".
1630 - Migrated unit tests to <std>. 1514 - Migrated unit tests to <std>.
1631 1515
1632 Jun 19th, 2003 J.Apostolakis - field-V05-01- 1516 Jun 19th, 2003 J.Apostolakis - field-V05-01-00
1633 ----------------------------- << 1517 -----------------------------
1634 - G4ChordFinder: 1518 - G4ChordFinder:
1635 o Corrected simple constructor to initialis 1519 o Corrected simple constructor to initialise several member variables
1636 including LastStepEstimate_Unconstrained. 1520 including LastStepEstimate_Unconstrained.
1637 - G4MagIntegratorDriver: 1521 - G4MagIntegratorDriver:
1638 o Keep simple statistics on number of steps 1522 o Keep simple statistics on number of steps, total error and step size.
1639 o Took out an unneccessary square root (in 1523 o Took out an unneccessary square root (in loop).
1640 - NOTE: tests field0X are to be migrated. 1524 - NOTE: tests field0X are to be migrated.
1641 Purpose: fixes, small performance boost, si 1525 Purpose: fixes, small performance boost, simple statistics.
1642 1526
1643 Apr 2nd, 2003 G. Cosmo - field-V05-00-01 1527 Apr 2nd, 2003 G. Cosmo - field-V05-00-01
1644 --------------------------- 1528 ---------------------------
1645 - Created .cc files for G4MagneticField and G 1529 - Created .cc files for G4MagneticField and G4ElecroMagneticField.
1646 - Fixed definition of copy constructors in fi 1530 - Fixed definition of copy constructors in fields inheritance chain.
1647 - Moved obsolete method StepWithEst() to priv 1531 - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
1648 G4CashKarpRKF45 and G4ClassicalRK4. 1532 G4CashKarpRKF45 and G4ClassicalRK4.
1649 - Cleared strict pedantic warnings. 1533 - Cleared strict pedantic warnings.
1650 1534
1651 Feb 5th, 2003 G. Cosmo - field-V05-00-00 1535 Feb 5th, 2003 G. Cosmo - field-V05-00-00
1652 --------------------------- 1536 ---------------------------
1653 - Removed redundant inclusions of PhysicalCon 1537 - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
1654 Now using directly CLHEP's headers. 1538 Now using directly CLHEP's headers.
1655 1539
1656 Dec 12th, 2002 G. Cosmo - field-V04-01-06 1540 Dec 12th, 2002 G. Cosmo - field-V04-01-06
1657 --------------------------- 1541 ---------------------------
1658 - Moved unused variable 'nStpPr' to debug sec 1542 - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
1659 method AccurateAdvance(). 1543 method AccurateAdvance().
1660 1544
1661 Dec 06th, 2002 G. Cosmo - field-V04-01-05 1545 Dec 06th, 2002 G. Cosmo - field-V04-01-05
1662 --------------------------- 1546 ---------------------------
1663 - Merged changes by Makoto for migration to n 1547 - Merged changes by Makoto for migration to new G4ApplicationState in
1664 messengers of unit tests. 1548 messengers of unit tests.
1665 1549
1666 Nov 29th, 2002 J. Apostolakis - field-V04 1550 Nov 29th, 2002 J. Apostolakis - field-V04-01-04
1667 --------------------------------- 1551 ---------------------------------
1668 Further fixes for unitialised variable - in o 1552 Further fixes for unitialised variable - in other steppers:
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE 1553 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
1670 1554
1671 Large memory leak fix for G4ImplicitEuler, sm 1555 Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
1672 Test accuracy requirements for spin adjusted. 1556 Test accuracy requirements for spin adjusted.
1673 1557
1674 Nov 20th, 2002 J. Apostolakis - field-V04 1558 Nov 20th, 2002 J. Apostolakis - field-V04-01-03
1675 --------------------------------- 1559 ---------------------------------
1676 Further fixes for unitialised variables: 1560 Further fixes for unitialised variables:
1677 1561
1678 * G4MagIntegratorStepper 1562 * G4MagIntegratorStepper
1679 - Created instance variables for number of 1563 - Created instance variables for number of Integration, State variables
1680 1564
1681 * G4MagErrorStepper 1565 * G4MagErrorStepper
1682 - Utilise number of State variables to ini 1566 - Utilise number of State variables to initialise full state of Output.
1683 1567
1684 * G4Mag_SpinEqRhs 1568 * G4Mag_SpinEqRhs
1685 - Initialise the values of dydx that we do 1569 - Initialise the values of dydx that we do not update.
1686 1570
1687 Note: Undoing these changes and the ones belo << 1571 Note: Undoing these changes and the ones below would enable the user to see
1688 if undefined values are used in varia << 1572 if undefined values are used in variables that he/she expects to
1689 have integrated. 1573 have integrated.
1690 BUT the fix assists us to find truly un 1574 BUT the fix assists us to find truly undefined values elsewhere
1691 -- if they exist -- using valgrind. 1575 -- if they exist -- using valgrind.
1692 1576
1693 Nov 9th, 2002 J. Apostolakis - field-V04 1577 Nov 9th, 2002 J. Apostolakis - field-V04-01-02
1694 --------------------------------- 1578 ---------------------------------
1695 Fixes to address use of uninitialised variabl 1579 Fixes to address use of uninitialised variable in seting values of FieldTrack
1696 (this was done by design, but was neither ide 1580 (this was done by design, but was neither ideal or always well-behaved.)
1697 Changed: 1581 Changed:
1698 1582
1699 * G4MagIntegratorDriver 1583 * G4MagIntegratorDriver
1700 - Added instance variables for number of In 1584 - Added instance variables for number of Integration, State variables
1701 - Initialise all State variables of Output 1585 - Initialise all State variables of Output with values from initial variables.
1702 - Only the Integration variables will be in 1586 - Only the Integration variables will be integrated
1703 1587
1704 * G4ClassicalRK4 and G4MagErrorStepper 1588 * G4ClassicalRK4 and G4MagErrorStepper
1705 - Copy the initial time to intermediate and << 1589 - Copy the initial time to intermediate and output C-vectors,
1706 in order to provide a zero-eth estimate 1590 in order to provide a zero-eth estimate value.
1707 Note1: Should clean-up this fix, making it 1591 Note1: Should clean-up this fix, making it similar to Driver (above)
1708 Note2: Should *not* be used for time varyin << 1592 Note2: Should *not* be used for time varying field unless created
1709 with at least 8 integration variab 1593 with at least 8 integration variables
1710 --------------------------------- << 1594 ---------------------------------
1711 G4ChordFinder.cc 1595 G4ChordFinder.cc
1712 - Correction from zero dChord 1596 - Correction from zero dChord
1713 which is does not update the Unconstrai 1597 which is does not update the Unconstrained step estimate (state)
1714 - Added instance variables to store number 1598 - Added instance variables to store number of calls and chord-trials
1715 and new print method for 'debugging' 1599 and new print method for 'debugging'
1716 1600
1717 G4Mag_UsualEqRhs.cc 1601 G4Mag_UsualEqRhs.cc
1718 - Attempted approximations for speedup *ov 1602 - Attempted approximations for speedup *overwritten* by full inverse sqrt.
1719 1603
1720 1604
1721 Oct 29th, 2002 J. Apostolakis - test-V04-0 1605 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1722 -------------------------------- 1606 --------------------------------
1723 - Changed output of tests for small output ch 1607 - Changed output of tests for small output change (GeV->MeV)
1724 1608
1725 Oct 29th, 2002 J. Apostolakis - test-V04-0 1609 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1726 -------------------------------- 1610 --------------------------------
1727 - (Only changed and tagged test subdirectory) 1611 - (Only changed and tagged test subdirectory)
1728 Changed tests to use the new method SetChar << 1612 Changed tests to use the new method SetChargeMomentumMass of
1729 PropagatorInField in order to be ready for << 1613 PropagatorInField in order to be ready for its full use in
1730 G4PropagatorInField. 1614 G4PropagatorInField.
1731 (A key problem at end-July was this non-pre 1615 (A key problem at end-July was this non-preparedness of the unit tests.)
1732 1616
1733 Jul 24th, 2002 G. Cosmo - field-V04-01-01 1617 Jul 24th, 2002 G. Cosmo - field-V04-01-01
1734 -------------------------- 1618 --------------------------
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta 1619 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736 fDefault_Delta_Intersection_Val normal cons 1620 fDefault_Delta_Intersection_Val normal constants (not static) to
1737 resolve initialisation problems. Coworks wi 1621 resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738 Fixes problem report #383. 1622 Fixes problem report #383.
1739 1623
1740 Jul 23rd, 2002 G. Cosmo - field-V04-01-00 1624 Jul 23rd, 2002 G. Cosmo - field-V04-01-00
1741 -------------------------- 1625 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o 1626 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743 Protected variable 'nStpPr' with G4DEBUG_FI 1627 Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up 1628 - Updated reference outputs and some other updates to unit tests.
1745 1629
1746 Jun 25th, 2002 J. Apostolakis - field-V04- 1630 Jun 25th, 2002 J. Apostolakis - field-V04-00-05
1747 -------------------------------- 1631 --------------------------------
1748 - G4ChordFinder.cc 1632 - G4ChordFinder.cc
1749 In NewStep: fixed case of stepTrial >> ste 1633 In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750 (it was treated the same as stepTrial 1634 (it was treated the same as stepTrial << old)
1751 Added guard for stepTrial==0.0 in FindNextC 1635 Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc 1636 - G4MagIntegratorDriver.cc
1753 Added protection against error of 0.0 in Co 1637 Added protection against error of 0.0 in ComputeNewStepSize.
1754 1638
1755 - G4EquationOfMotion 1639 - G4EquationOfMotion
1756 Made RightHandSide an inline method << 1640 Made RightHandSide an inline method
1757 In GetFieldValue signature of Point is doub 1641 In GetFieldValue signature of Point is double[4], instead of double[3]
1758 Defined G4maximum_number_of_field_component 1642 Defined G4maximum_number_of_field_components as enum
1759 1643
1760 Jun 7th, 2002 J. Apostolakis - field-V04- 1644 Jun 7th, 2002 J. Apostolakis - field-V04-00-04
1761 -------------------------------- 1645 --------------------------------
1762 - G4Mag_SpinEqRhs.cc 1646 - G4Mag_SpinEqRhs.cc
1763 o Fix to momentum component of Rhs. 1647 o Fix to momentum component of Rhs.
1764 1648
1765 May 31st, 2002 J. Apostolakis - field-V04- 1649 May 31st, 2002 J. Apostolakis - field-V04-00-03
1766 -------------------------------- 1650 --------------------------------
1767 - G4MagHelicalStepper.icc 1651 - G4MagHelicalStepper.icc
1768 o Fix to LinearStep (correcting previous 1652 o Fix to LinearStep (correcting previous fix/cosmetic)
1769 - G4ChordFinder.cc 1653 - G4ChordFinder.cc
1770 o Corrective behaviour for very small or 1654 o Corrective behaviour for very small or large changes of 'new step'
1771 [observed in complex 3-d fields (purgi 1655 [observed in complex 3-d fields (purging magnet), or
1772 approximate equations of 1656 approximate equations of motion ]
1773 - G4MagIntegratorDriver 1657 - G4MagIntegratorDriver
1774 o More information in debug printing (tan 1658 o More information in debug printing (tangent cosine, norm)
1775 1659
1776 May 7th, 2002 J. Apostolakis 1660 May 7th, 2002 J. Apostolakis
1777 -------------------------------- 1661 --------------------------------
1778 - G4MagIntegratorDriver - ( on trunk ) 1662 - G4MagIntegratorDriver - ( on trunk )
1779 * Fix to update the field track for steps s << 1663 * Fix to update the field track for steps smaller than the chord finder's
1780 minstep. << 1664 minstep.
1781 1665
1782 1666
1783 April 19th, 2002 J. Apostolakis (not inclu 1667 April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
1784 -------------------------------- 1668 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc (on trunk) 1669 - G4MagIntegratorDriver.hh,cc (on trunk)
1786 * Bug fix: last step can now only be trigg 1670 * Bug fix: last step can now only be triggerred if x+h > x2.
1787 * Debugging methods improved. 1671 * Debugging methods improved.
1788 1672
1789 May 7th, 2002 J. Apostolakis - field-V04- 1673 May 7th, 2002 J. Apostolakis - field-V04-00-02
1790 -------------------------------- 1674 --------------------------------
1791 Tag including only two changes below: 1675 Tag including only two changes below:
1792 - Putting aside the other fixes/changes (as << 1676 - Putting aside the other fixes/changes (as the one above) to
1793 G4MagIntegratorDriver, tagging only the fix t << 1677 G4MagIntegratorDriver, tagging only the fix to update the field track
1794 for steps smaller than the chord finder's min 1678 for steps smaller than the chord finder's minstep.
1795 1679
1796 May 7th, 2002 J. Apostolakis 1680 May 7th, 2002 J. Apostolakis
1797 -------------------------------- 1681 --------------------------------
1798 - G4MagIntegratorDriver - ** branch ** on 1682 - G4MagIntegratorDriver - ** branch ** on 1.20 **
1799 * Fix to update the field track for steps s << 1683 * Fix to update the field track for steps smaller than the chord finder's
1800 minstep. << 1684 minstep.
1801 1685
1802 May 7th, 2002 J. Apostolakis 1686 May 7th, 2002 J. Apostolakis
1803 -------------------------------- 1687 --------------------------------
1804 - G4MagIntegratorStepper 1688 - G4MagIntegratorStepper
1805 * Changed RightHandSide from a virtual meth << 1689 * Changed RightHandSide from a virtual method to an inline (non-virtual)
1806 method -- it is not and should not be c 1690 method -- it is not and should not be changed by derived classes.
1807 1691
1808 Mar 28th, 2002 J. Apostolakis - field-V04-00 1692 Mar 28th, 2002 J. Apostolakis - field-V04-00-01
1809 ----------------------- 1693 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex << 1694 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
1811 that had not been updated for new integra 1695 that had not been updated for new integration variable (momentum).
1812 --> found in testing helical steppers in << 1696 --> found in testing helical steppers in BaBar setup,
1813 in region of negligible field. 1697 in region of negligible field.
1814 1698
1815 - Changed maximum number of steps in driver, << 1699 - Changed maximum number of steps in driver,
1816 halving from 500/order to 250/order. 1700 halving from 500/order to 250/order.
1817 1701
1818 Mar 28th, 2002 J. Apostolakis 1702 Mar 28th, 2002 J. Apostolakis
1819 ----------------------- 1703 -----------------------
1820 - Committed directory "OtherField" with examp 1704 - Committed directory "OtherField" with examples of fields,
1821 Delphi, Quadropole etc. 1705 Delphi, Quadropole etc.
1822 1706
1823 - Updated outputs of testPropagateMagField fo 1707 - Updated outputs of testPropagateMagField for new version of source,
1824 that has 3rd test case. 1708 that has 3rd test case.
1825 1709
1826 - Added new runs and outputs for testProElect << 1710 - Added new runs and outputs for testProElectroMagField, with
1827 several steppers, and modified test scrip 1711 several steppers, and modified test script test.sh accordingly.
1828 1712
1829 1713
1830 Feb 2nd, 2002 V. Grichine 1714 Feb 2nd, 2002 V. Grichine
1831 ------------------------ 1715 ------------------------
1832 Update of test/field02 to utilise new feature << 1716 Update of test/field02 to utilise new features
1833 - for Electric Field, to signal that a fiel 1717 - for Electric Field, to signal that a field modifies the energy;
1834 - updating of time by integration, for time 1718 - updating of time by integration, for time dependent fields.
1835 1719
1836 Jan 10th, 2002 G. Cosmo - field-V04-00-00 1720 Jan 10th, 2002 G. Cosmo - field-V04-00-00
1837 ------------------------ 1721 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile. 1722 - Activated G4DEBUG_FIELD in GNUmakefile.
1839 1723
1840 Jan 7th, 2002 J. Apostolakis 1724 Jan 7th, 2002 J. Apostolakis
1841 ----------------------------- 1725 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia 1726 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843 1727
1844 Dec 4th, 2001 G. Cosmo - field-V03-02-08 1728 Dec 4th, 2001 G. Cosmo - field-V03-02-08
1845 ----------------------- 1729 -----------------------
1846 - Fixed interface to virtual functions in the 1730 - Fixed interface to virtual functions in the inheritance chain.
1847 Added 'virtual' qualifier to destructor and 1731 Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848 of G4Field which may act as base class for 1732 of G4Field which may act as base class for user-defined fields.
1849 Modified files: G4MagneticField.hh, G4Unifo 1733 Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850 G4UniformMagField.hh. 1734 G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng 1735 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852 inside #ifdef G4DEBUG_FIELD. Other #ifdef r 1736 inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w 1737 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854 is returned (V.Grichine). 1738 is returned (V.Grichine).
1855 1739
1856 Nov 28th, 2001 J. Apostolakis - field-V03-02 1740 Nov 28th, 2001 J. Apostolakis - field-V03-02-07
1857 ------------------------------ 1741 ------------------------------
1858 G4FieldManager 1742 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g 1743 - Added fFieldChangesEnergy data member and get/set methods
1860 ( required to allow transportation to know h 1744 ( required to allow transportation to know how to calculate end-time,
1861 enabling the integration of time only for 1745 enabling the integration of time only for electric fields. )
1862 1746
1863 Nov 28th, 2001 J. Apostolakis - field-V03-02 1747 Nov 28th, 2001 J. Apostolakis - field-V03-02-06
1864 ------------------------------ 1748 ------------------------------
1865 Small fixes only: 1749 Small fixes only:
1866 1750
1867 G4CashKarpRKF45 1751 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array 1752 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869 1753
1870 G4EqMagElectricField 1754 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci 1755 - bug fixed in the formula for inverse velocity (-> V. Grichine)
1872 1756
1873 Nov 21st, 2001 G. Cosmo - field-V03-02-05 1757 Nov 21st, 2001 G. Cosmo - field-V03-02-05
1874 ------------------------ 1758 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB 1759 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876 (V.Grichine). 1760 (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma 1761 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02. 1762 - Updates to unit test field02.
1879 1763
1880 Nov 13th, 2001 G. Cosmo - field-V03-02-04 1764 Nov 13th, 2001 G. Cosmo - field-V03-02-04
1881 ------------------------ 1765 ------------------------
1882 - Removed warnings on gcc-2.95.2. 1766 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field 1767 - Included unit tests field01, field02, field03.
1884 1768
1885 Nov 9th, 2001 J. Apostolakis - field-V03-02- 1769 Nov 9th, 2001 J. Apostolakis - field-V03-02-03
1886 ----------------------------- 1770 -----------------------------
1887 Motivated by the use case of an Electric Fiel 1771 Motivated by the use case of an Electric Field,
1888 - in order to achieve reasonable accuracy in 1772 - in order to achieve reasonable accuracy in time integration,
1889 - and to enable fields that vary with the gl 1773 - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol 1774 we (John Ap. and V. Grichine) changed the following:
1891 1775
1892 - Modified G4Field to allow the time in the G << 1776 - Modified G4Field to allow the time in the GetFieldValue method
1893 - as 4th component of the "position" arr 1777 - as 4th component of the "position" array.
1894 1778
1895 - Modified EquationOfMotion to provide the ti 1779 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896 of G4Field 1780 of G4Field
1897 * as the 4th component of a position / 1781 * as the 4th component of a position / time 4-array
1898 * in place of only position as a 3-arry 1782 * in place of only position as a 3-arry
1899 1783
1900 - Added the global time as variable to be int << 1784 - Added the global time as variable to be integrated over in the
1901 case of an Electric Field 1785 case of an Electric Field
1902 1786
1903 Support for these modifications is required i 1787 Support for these modifications is required in G4Transportation.
1904 1788
1905 (Better support will require either 1789 (Better support will require either
1906 - a modification in G4FieldTrack to indicate 1790 - a modification in G4FieldTrack to indicate whether the time has been
1907 integrated or not. << 1791 integrated or not.
1908 - or additionally making the time calculatio 1792 - or additionally making the time calculation a property of G4FieldTrack,
1909 bring in code to do it in from G4Transpor 1793 bring in code to do it in from G4Transportation.)
1910 1794
1911 1795
1912 Nov 8th, 2001 J. Apostolakis - field-V03-02 1796 Nov 8th, 2001 J. Apostolakis - field-V03-02-02
1913 ------------------------ 1797 ------------------------
1914 - Introduced several changes in G4MagIntegrat 1798 - Introduced several changes in G4MagIntegratorDriver.
1915 1799
1916 It now respects its minimum driver step si 1800 It now respects its minimum driver step size in AccurateAdvance.
1917 * whereas before it did not. 1801 * whereas before it did not.
1918 1802
1919 Modified maximum number of steps, lowering 1803 Modified maximum number of steps, lowering by factor of 10.
1920 -> it should reduce the time spent integ 1804 -> it should reduce the time spent integrating low energy particles,
1921 in some cases where it is unneccessary. 1805 in some cases where it is unneccessary.
1922 1806
1923 Protected printing of (nearly?) all warnin 1807 Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
1924 1808
1925 1809
1926 Nov 05th, 2001 G. Cosmo - field-V03-02-01 1810 Nov 05th, 2001 G. Cosmo - field-V03-02-01
1927 ------------------------ 1811 ------------------------
1928 - Fixed trivial warnings on Linux-g++. 1812 - Fixed trivial warnings on Linux-g++.
1929 1813
1930 Aug 27th, 2001 J. Apostolakis - field-V03-02 1814 Aug 27th, 2001 J. Apostolakis - field-V03-02-00
1931 ------------------------------ 1815 ------------------------------
1932 Tagged last change. 1816 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 ( 1817 This tag is utilised in transport-V03-02-01 (which requires it).
1934 1818
1935 Aug 16th, 2001 J. Apostolakis 1819 Aug 16th, 2001 J. Apostolakis
1936 ------------------------------ 1820 ------------------------------
1937 G4ChordFinder: 1821 G4ChordFinder:
1938 Added method to erase/reset the state of the 1822 Added method to erase/reset the state of the StepEstimate.
1939 This is unwanted internal state that was car 1823 This is unwanted internal state that was carried between tracks and
1940 events as a side effect. 1824 events as a side effect.
1941 1825
1942 Calling this at the start of each track, it 1826 Calling this at the start of each track, it is now possible to
1943 eliminate a non-repeatability that was possi 1827 eliminate a non-repeatability that was possible due to this.
1944 ( It has been observed in particular in v 1828 ( It has been observed in particular in vaccuum. )
1945 1829
1946 May 23rd, 2001 J. Apostolakis - field-V03-01 1830 May 23rd, 2001 J. Apostolakis - field-V03-01-02
1947 ------------------------------ 1831 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo 1832 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949 1833
1950 May 23rd, 2001 J. Apostolakis - field-V03-01 1834 May 23rd, 2001 J. Apostolakis - field-V03-01-01
1951 ------------------------------ 1835 ------------------------------
1952 - Fixed G4FieldManager constructors to give d 1836 - Fixed G4FieldManager constructors to give default values to delta
1953 parameters. 1837 parameters.
1954 1838
1955 - Updated testPropagateSpin (it now compiles) << 1839 - Updated testPropagateSpin (it now compiles),
1956 and some outputs of testPropagateMagField 1840 and some outputs of testPropagateMagField (1 to 5)
1957 1841
1958 1842
1959 Apr 12th, 2001 P. Gumplinger - field-V03-01- 1843 Apr 12th, 2001 P. Gumplinger - field-V03-01-00
1960 ----------------------------- 1844 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq 1845 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962 to spin tracking. 1846 to spin tracking.
1963 1847
1964 Apr 04th, 2001 G. Cosmo - field-V03-00-05 1848 Apr 04th, 2001 G. Cosmo - field-V03-00-05
1965 ------------------------ 1849 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o 1850 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967 1851
1968 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1852 Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
1969 ------------------------------ 1853 ------------------------------
1970 - Electric Field unit test now works: test ru 1854 - Electric Field unit test now works: test runs until completion.
1971 Test outputs saved (on Linux). 1855 Test outputs saved (on Linux).
1972 1856
1973 - Fixed src/G4UniformElectricField.cc to set 1857 - Fixed src/G4UniformElectricField.cc to set correct field components
1974 (compat 1858 (compatible with Equation of Motion
1975 G4EqMa 1859 G4EqMagElectricField )
1976 1860
1977 - Tidied G4FieldTrack 1861 - Tidied G4FieldTrack
1978 * deleted obsolete methods Set/Get Momentu 1862 * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979 * in constructor to set the value of the s << 1863 * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
1980 if pSpin is null. (It was undefine 1864 if pSpin is null. (It was undefined.)
1981 1865
1982 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1866 Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
1983 ------------------------------ 1867 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil << 1868 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
1985 1869
1986 - Modified G4MagIntegratorStepper << 1870 - Modified G4MagIntegratorStepper
1987 to use pointer to G4EquationOfMotion 1871 to use pointer to G4EquationOfMotion
1988 instead of G4Mag_EqRhs 1872 instead of G4Mag_EqRhs
1989 1873
1990 - Design iteration appears neccessary 1874 - Design iteration appears neccessary
1991 1875
1992 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1876 Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
1993 ------------------------------ 1877 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for 1878 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995 the possibility of (correct) use of all H << 1879 the possibility of (correct) use of all Helical Steppers.
1996 1880
1997 - test/testProElectroMagField.cc updated for 1881 - test/testProElectroMagField.cc updated for momentum.
1998 (Not yet updated: Spin tests) 1882 (Not yet updated: Spin tests)
1999 1883
2000 1884
2001 Mar 19th, 2001 J. Apostolakis - field-V03-00 1885 Mar 19th, 2001 J. Apostolakis - field-V03-00-01
2002 ------------------------------ 1886 ------------------------------
2003 - Tagging the modification of several classes 1887 - Tagging the modification of several classes to integrate in momentum*c_light
2004 instead of velocity. << 1888 instead of velocity.
2005 Reason for change: Velocity integration ca 1889 Reason for change: Velocity integration can result in superluminar
2006 velocities, due to arithmetic inaccuraci 1890 velocities, due to arithmetic inaccuracies.
2007 Classes modified: << 1891 Classes modified:
2008 G4FieldTrack, (Changed components 3,4,5 1892 G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
2009 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle 1893 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010 1894
2011 Feb 20th, 2001 J. Apostolakis << 1895 Feb 20th, 2001 J. Apostolakis
2012 1896
2013 - Modified several classes to integrate in mo 1897 - Modified several classes to integrate in momentum instead of velocity.
2014 1898
2015 G4FieldTrack: 1899 G4FieldTrack:
2016 Changed components 3,4,5 of SixVector to 1900 Changed components 3,4,5 of SixVector to Momentum,
2017 Modified constructor 1901 Modified constructor
2018 Added energy calculation to "LoadFromArr 1902 Added energy calculation to "LoadFromArray" method
2019 GetEnergy method is now implemented. << 1903 GetEnergy method is now implemented.
2020 Deleted obsolete (old) method names for 1904 Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021 1905
2022 G4ChordFinder 1906 G4ChordFinder
2023 Renamed old-method names of Field Track << 1907 Renamed old-method names of Field Track to new ones.
2024 1908
2025 Jan 29th, 2001 G. Cosmo - field-V03-00-00 1909 Jan 29th, 2001 G. Cosmo - field-V03-00-00
2026 ------------------------- 1910 -------------------------
2027 1911
2028 - Minor fix to G4MagneticField.hh: added expl 1912 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029 copy constructor. Fixes report #205. 1913 copy constructor. Fixes report #205.
2030 1914
2031 Nov 20th, 2000 G. Cosmo - field-V02-00-02 1915 Nov 20th, 2000 G. Cosmo - field-V02-00-02
2032 1916
2033 - Fixes to remove warnings from "-Wall -ansi 1917 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034 o commented out variables declared and not 1918 o commented out variables declared and not used.
2035 o fixed declaration of variables used befor 1919 o fixed declaration of variables used before being initialised.
2036 o fixed order of initialisation of member d 1920 o fixed order of initialisation of member data in constructors.
2037 o fixed usage of unsigned-int (size_t) for 1921 o fixed usage of unsigned-int (size_t) for array indeces.
2038 1922
2039 Nov 9th, 2000 G. Cosmo - field-V02-00-01 1923 Nov 9th, 2000 G. Cosmo - field-V02-00-01
2040 1924
2041 - G4FieldManager: added check on existence of 1925 - G4FieldManager: added check on existence of allocated fChordFinder
2042 in CreateChordFinder(G4MagneticField*) meth 1926 in CreateChordFinder(G4MagneticField*) method.
2043 1927
2044 Nov 1st, 2000 G. Cosmo - field-V02-00-00 1928 Nov 1st, 2000 G. Cosmo - field-V02-00-00
2045 1929
2046 - QA code revision and cleanup (+fixes from C 1930 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047 o Added (private) declarations of copy cons 1931 o Added (private) declarations of copy constructor and assignment operator
2048 where needed. 1932 where needed.
2049 o Added "const" qualifier to accessor metho 1933 o Added "const" qualifier to accessor methods, wherever needed.
2050 o Added equality check on operator= where n 1934 o Added equality check on operator= where needed.
2051 o Made destructor "virtual" for classes hav 1935 o Made destructor "virtual" for classes having virtual methods,
2052 wherever missing. 1936 wherever missing.
2053 o Changed virtual functions to non-inline w 1937 o Changed virtual functions to non-inline wherever's the case.
2054 o Changed return value to be "const" pointe 1938 o Changed return value to be "const" pointer to functions:
2055 - G4EquationOfMotion::GetFieldObj() 1939 - G4EquationOfMotion::GetFieldObj()
2056 - G4FieldManager::GetDetectorField() 1940 - G4FieldManager::GetDetectorField()
2057 - G4MagIntegratorDriver::GetStepper() 1941 - G4MagIntegratorDriver::GetStepper()
2058 o Fixed and corrected signature to G4MagInt 1942 o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059 o Added "inline" qualifier to methods' decl 1943 o Added "inline" qualifier to methods' declarations.
2060 o General cosmetics 1944 o General cosmetics
2061 1945
2062 Jun 2nd, 2000 J. Apostolakis 1946 Jun 2nd, 2000 J. Apostolakis
2063 - G4FieldManager[.hh.icc] 1947 - G4FieldManager[.hh.icc]
2064 o Added DeltaIntersection and DeltaOneStep 1948 o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065 Get/Set methods and SetAccuraciesWithDelt 1949 Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066 1950
2067 May 31st, 2000 J. Apostolakis - field-V01-01 1951 May 31st, 2000 J. Apostolakis - field-V01-01-03
2068 1952
2069 include/G4FieldManager.hh,icc 1953 include/G4FieldManager.hh,icc
2070 o Moved Delta Intersection and Delta One St 1954 o Moved Delta Intersection and Delta One Step to FieldManager
2071 (from Propagator in Field), to allow th 1955 (from Propagator in Field), to allow them to differ over the detector.
2072 1956
2073 May 11th, 2000 J. Apostolakis - field-V01-01 1957 May 11th, 2000 J. Apostolakis - field-V01-01-02
2074 1958
2075 - G4ChordFinder[.hh.cc] 1959 - G4ChordFinder[.hh.cc]
2076 o Modified method for finding new trial ste 1960 o Modified method for finding new trial step.
2077 New method assumes a quadratic relationsh 1961 New method assumes a quadratic relationship between step-length and d_chord:
2078 d_chord proportional to step-l 1962 d_chord proportional to step-lenght ^ 2
2079 o Added two small refinement in order to av 1963 o Added two small refinement in order to avoid unneccesary extra step due to
2080 small numerical inaccuracies in estimatio 1964 small numerical inaccuracies in estimation:
2081 FindNextChord 1965 FindNextChord
2082 to first step use (1-0.001) 1966 to first step use (1-0.001) * last-step-estimate
2083 New Step: 1967 New Step:
2084 to subsequent step use trial_st 1968 to subsequent step use trial_step = 0.98 * estimate
2085 1969
2086 May 10th, 2000 G. Cosmo 1970 May 10th, 2000 G. Cosmo
2087 1971
2088 - G4MagneticField.hh: minor fix to dummy impl 1972 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089 operator. 1973 operator.
2090 1974
2091 May 9th, 2000 J. Apostolakis - field-V01 1975 May 9th, 2000 J. Apostolakis - field-V01-01-01
2092 1976
2093 - G4MagErrorStepper: << 1977 - G4MagErrorStepper:
2094 Modified DistChord to check whether the c 1978 Modified DistChord to check whether the chord endpoint are the same point.
2095 1979
2096 - G4RKG3_Stepper: 1980 - G4RKG3_Stepper:
2097 Deleted error message from StepNoErr, as 1981 Deleted error message from StepNoErr, as it is used in Stepper.
2098 1982
2099 - G4MagIntegratorDriver: 1983 - G4MagIntegratorDriver:
2100 Changed the condition for the debug outpu 1984 Changed the condition for the debug output (~cosmetic)
2101 1985
2102 1986
2103 April 27th, 2000 G. Cosmo 1987 April 27th, 2000 G. Cosmo
2104 1988
2105 - Reorganised comments for the Software Refer 1989 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe 1990 - Moved inlined definition to .icc files, where needed.
2107 Created: G4ChordFinder.icc and G4FieldManag 1991 Created: G4ChordFinder.icc and G4FieldManager.icc.
2108 1992
2109 April 13th, 2000 J. Apostolakis - field-V01 1993 April 13th, 2000 J. Apostolakis - field-V01-01-00
2110 1994
2111 - Modified signature to function DumbStepper( 1995 - Modified signature to function DumbStepper() in classes:
2112 G4HelixExplicitEuler, G4HelixHeum, G4HelixI 1996 G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113 G4HelixSimpleRunge and G4MagHelicalStepper. 1997 G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu 1998 - Modified signature and implementation of function MagFieldEvaluate()
2115 in G4MagHelicalStepper, to use Field (as Th 1999 in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it 2000 - Made Richardson extrapolation optional (it is unclear if
2117 it offers benefit) in G4MagHelicalStepper. 2001 it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and 2002 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b 2003 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120 (V.Grichine). 2004 (V.Grichine).
2121 2005
2122 January 19th, 2000 G. Cosmo - field-V01-00 2006 January 19th, 2000 G. Cosmo - field-V01-00-00
2123 2007
2124 Syncronized versioning of files with HEAD aft 2008 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes). 2009 (essentially CVS header changes).
2126 2010
2127 December 7th, 1999 J. Apostolakis - field- 2011 December 7th, 1999 J. Apostolakis - field-V00-01-01a
2128 2012
2129 For negative or very small curve lengths (h) 2013 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe 2014 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless. 2015 as it is meaningless.
2132 2016
2133 November 23rd, 1999 J. Apostolakis - field- 2017 November 23rd, 1999 J. Apostolakis - field-V00-01-01
2134 2018
2135 Tagged this sub-category's state in geometry- 2019 Tagged this sub-category's state in geometry-V00-01-01
2136 2020
2137 2021
2138 July 6th, 1999 J. Apostolakis - field- 2022 July 6th, 1999 J. Apostolakis - field-01-00-07
2139 2023
2140 These fixes and those in field-01-00-06 and f 2024 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 2025 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig << 2026 interaction with paths that are rather straight.
2143 2027
2144 G4MagIntegrationDriver: << 2028 G4MagIntegrationDriver:
2145 i) AccurateAdvance now that the chord distan 2029 i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon). 2030 gth (times 1+epsilon).
2147 2031
2148 ii) OneGoodStep and QuickAdvance considers th 2032 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b 2033 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given. 2034 the "eps" maximum given.
2151 2035
2152 G4ChordFinder: 2036 G4ChordFinder:
2153 Having found that the curve_length vs ABdis 2037 Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration: 2038 the imprecision of the integration:
2155 i) Modified the exception in this case to h 2039 i) Modified the exception in this case to happen only for very large
2156 relative disrepancies ( 10 * eps ). 2040 relative disrepancies ( 10 * eps ).
2157 ii) Undertaken a default corrective action i 2041 ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve 2042 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu 2043 ie step lengths much smaller than the curvature of the track.
2160 2044
2161 July 1st, 1999 J. Apostolakis - field- 2045 July 1st, 1999 J. Apostolakis - field-01-00-06a
2162 2046
2163 In order to cope with the anomalous condition 2047 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField, we ensure that the f 2048 in G4PropagatorInField, we ensure that the fraction_AE is always between
2165 0 and 1.0. (giving it a default value of 0.5 2049 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV ) 2050 ( in G4ChordFinder::ApproxCurvePointV )
2167 2051
2168 June 29th, 1999 J. Apostolakis - field- 2052 June 29th, 1999 J. Apostolakis - field-01-00-06
2169 2053
2170 I re-instated a check on whether the input 2054 I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t 2055 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV ) 2056 ( in G4ChordFinder::ApproxCurvePointV )
2173 2057
2174 The condition that prints out a warning messa 2058 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi << 2059 take into account the case of a very small final interval.
2176 ( in G4MagInt_Driver::AccurateAdvance ) 2060 ( in G4MagInt_Driver::AccurateAdvance )
2177 2061
2178 June ??th, 1999 J. Apostolakis - field- 2062 June ??th, 1999 J. Apostolakis - field-01-00-05
2179 2063
2180 The condition that prints out a warning messa << 2064 The condition that prints out a warning message was changed to delete
2181 an incorrect comparison. << 2065 an incorrect comparison.
2182 ( in G4MagInt_Driver::AccurateAdvance ) 2066 ( in G4MagInt_Driver::AccurateAdvance )
2183 2067
2184 April 19th, 1999 J. Apostolakis - field- 2068 April 19th, 1999 J. Apostolakis - field-01-00-04
2185 2069
2186 G4MagErrorStepper: Cosmetic changes to name o 2070 G4MagErrorStepper: Cosmetic changes to name of data members
2187 2071
2188 March 4th, 1999 J. Apostolakis - field- 2072 March 4th, 1999 J. Apostolakis - field-01-00-03
2189 2073
2190 Corrected delete statement of arrays to use ' 2074 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45 2075 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192 2076
2193 February 17th, 1999 J. Apostolakis - field 2077 February 17th, 1999 J. Apostolakis - field-01-00-02
2194 2078
2195 Moved G4PropagatorInField files to geometry/ << 2079 Moved G4PropagatorInField files to geometry/volumes.
2196 Updated GNUmakefile not to depend on geometr 2080 Updated GNUmakefile not to depend on geometry/volumes anymore.
2197 -> the known circular dependency is remove 2081 -> the known circular dependency is removed
2198 2082
2199 2083
2200 February 12th, 1999 J. Apostolakis - field 2084 February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
2201 2085
2202 A tag that contains the first version that 2086 A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory). G4PropagateInSpin is still in t 2087 directory). G4PropagateInSpin is still in this version. A small change
2204 in a branch of the header file was needed. << 2088 in a branch of the header file was needed.
2205 2089
2206 2090
2207 February 10th, 1999 J. Apostolakis << 2091 February 10th, 1999 J. Apostolakis
2208 2092
2209 All the following changes are needed for ener 2093 All the following changes are needed for energy integration also:
2210 2094
2211 G4ChordFinder now passes to the constructed d 2095 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a 2096 Because of the need for the stepper to know about it in its Abstract interface
2213 2097
2214 -> Moved theNumberOfVariables from derived c 2098 -> Moved theNumberOfVariables from derived class G4MagErrorStepper
2215 to base class 2099 to base class G4MagIntegratorStepper
2216 2100
2217 As a consequense the classes that derived fro 2101 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt << 2102 were changed: G4CashKarpRKF45, G4MagHelicalStepper,
2219 2103
2220 2104
2221 February 9th, 1999 J. Apostolakis 2105 February 9th, 1999 J. Apostolakis
2222 2106
2223 Equation of Motion: 2107 Equation of Motion:
2224 G4MagEqRhs.hh Made SetChargeMomentumMass vir 2108 G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225 can initialise its constants << 2109 can initialise its constants too.
2226 2110
2227 2111
2228 February 9th, 1999 P. Gumplinger 2112 February 9th, 1999 P. Gumplinger
2229 2113
2230 Added Equation of Motion for Spin in Magnetic 2114 Added Equation of Motion for Spin in Magnetic Field.
2231 2115
2232 2116
2233 February 17th, 1999 J. Apostolakis - fiel 2117 February 17th, 1999 J. Apostolakis - field-01-00-01
2234 ---> date is correct, made sure that tag d 2118 ---> date is correct, made sure that tag does not include above fixes!
2235 << 2119
2236 Moved G4PropagatorInField files to geometry/ << 2120 Moved G4PropagatorInField files to geometry/volumes.
2237 Updated GNUmakefile not to depend on geometr 2121 Updated GNUmakefile not to depend on geometry/volumes anymore.
2238 -> the known circular dependency is remove 2122 -> the known circular dependency is removed
2239 2123
2240 2124
2241 --------------------------------------------- 2125 ---------------------------------------------------------------------------
2242 ------ Geant 4 Production Release - 2126 ------ Geant 4 Production Release ------------
2243 --------------------------------------------- 2127 --------------------------------------------------------------------------
2244 Nov 19th, 1998 J. Apostolakis - field-0 2128 Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
2245 2129
2246 G4PropagatorInField files modified: 2130 G4PropagatorInField files modified:
2247 2131
2248 - to store the last safety computed and it 2132 - to store the last safety computed and its origin.
2249 - to give them to a requester 2133 - to give them to a requester
2250 --------------------------------------------- 2134 ------------------------------------------------------------------
2251 2135
2252 Nov 19th, 1998 J. Apostolakis - field-0 2136 Nov 19th, 1998 J. Apostolakis - field-00-03-03b
2253 2137
2254 Subtle fix to interface of G4UniformMagField << 2138 Subtle fix to interface of G4UniformMagField::GetFieldValue
2255 ( that tripped Visual C++ ) 2139 ( that tripped Visual C++ )
2256 2140
2257 G4PropagatorInField: added printing method 2141 G4PropagatorInField: added printing method for verboseness.
2258 2142
2259 Nov 19th, 1998 J. Apostolakis - field-0 2143 Nov 19th, 1998 J. Apostolakis - field-00-03-03a
2260 2144
2261 Steppers: Fixed instance variables constr 2145 Steppers: Fixed instance variables construction (SimpleRunge)
2262 and clash of names in CashKarp: 2146 and clash of names in CashKarp::StepWithEstimate
2263 2147
2264 Added post-const to all Field classes for 2148 Added post-const to all Field classes for
2265 void GetFieldValue(const G4double 2149 void GetFieldValue(const G4double yTrack[] ,
2266 G4double B[] 2150 G4double B[] ) const ;
2267 2151
2268 Added SetFieldValue methods to UniformMagF 2152 Added SetFieldValue methods to UniformMagField
2269 2153
2270 Added GetConstantFieldValue() methods to U 2154 Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271 2155
2272 2156
2273 Nov 19th, 1998 J. Apostolakis - field-0 2157 Nov 19th, 1998 J. Apostolakis - field-00-03-03
2274 2158
2275 Fixes to Propagate and Steppers 2159 Fixes to Propagate and Steppers
2276 2160
2277 Nov 19th, 1998 J. Apostolakis - field-0 2161 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2278 2162
2279 Minor corrections (???) 2163 Minor corrections (???)
2280 2164
2281 Nov 19th, 1998 J. Apostolakis - field-0 2165 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2282 << 2166
2283 Major development to allow Electric Field 2167 Major development to allow Electric Field
2284 << 2168
2285 2169
2286 2170
2287 June 17th, 1998 J. Apostolakis - magfiel 2171 June 17th, 1998 J. Apostolakis - magfield-06-03
2288 2172
2289 Modified Files: 2173 Modified Files:
2290 include/G4PropagatorInField.hh 2174 include/G4PropagatorInField.hh
2291 src/G4PropagatorInField.cc 2175 src/G4PropagatorInField.cc
2292 test/testPropagateInField.cc 2176 test/testPropagateInField.cc
2293 --------------------------------------------- 2177 ----------------------------------------------------------------------
2294 2178
2295 1) Added an assertion after each call to Lo << 2179 1) Added an assertion after each call to LocateGlobalPointAndSetup.
2296 It checks that the located volume is equ 2180 It checks that the located volume is equal to the current volume.
2297 If this check fails, the Propagator does 2181 If this check fails, the Propagator does not know how to continue.
2298 2182
2299 2) Added an argument to ComputeStep method 2183 2) Added an argument to ComputeStep method of G4PropagatorInField.
2300 The new volume argument is used to check th 2184 The new volume argument is used to check the current volume during the step.
2301 2185
2302 3) When G4Navigator's ComputeStep returned 2186 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
2303 used to be treated as a failure to intersect. 2187 used to be treated as a failure to intersect. This is incorrect.
2304 2188
2305 stepLength==stepRequested is an intersect 2189 stepLength==stepRequested is an intersection,
2306 so I am now treating it as such in each 2190 so I am now treating it as such in each comparison (of 3).
2307 Ignoring it causes problems, including 2191 Ignoring it causes problems, including volume being skipped.
2308 --> but treating it as an intersection 2192 --> but treating it as an intersection used to cause problems too ??
2309 2193
2310 2194
2311 May 7th, 1998 J. Apostolakis - magfie 2195 May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
2312 2196
2313 - Tag includes new version of G4ChordFinder ( 2197 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314 2198
2315 2199
2316 May 7th, 1998 W. Wander (recorded/c 2200 May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
2317 2201
2318 - New "helical" RK steppers that move in heli 2202 - New "helical" RK steppers that move in helical segments, not linear.
2319 * Several changes to add steppers << 2203 * Several changes to add steppers
2320 2204
2321 Modified Files: 2205 Modified Files:
2322 G4MagErrorStepper.hh << 2206 G4MagErrorStepper.hh
2323 G4MagErrorStepper.cc << 2207 G4MagErrorStepper.cc
2324 added Helical stepping methods to 2208 added Helical stepping methods to this general ABC.
2325 << 2209
2326 G4MagIntegratorStepper.hh 2210 G4MagIntegratorStepper.hh
2327 made RightHandSide virtual (this 2211 made RightHandSide virtual (this will be reversed very soon)
2328 2212
2329 testPropagateMagField.cc 2213 testPropagateMagField.cc
2330 Test of Helical stepping functiona 2214 Test of Helical stepping functionality added.
2331 << 2215
2332 Added Files for new Helical RK steppers, der 2216 Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333 G4HelixExplicitEuler.cc ( and .hh ) 2217 G4HelixExplicitEuler.cc ( and .hh )
2334 G4HelixHeum.cc 2218 G4HelixHeum.cc
2335 G4HelixImplicitEuler.cc 2219 G4HelixImplicitEuler.cc
2336 G4HelixSimpleRunge.cc << 2220 G4HelixSimpleRunge.cc
2337 2221
2338 Added File for implementation: 2222 Added File for implementation:
2339 G4MagErrorStepper.icc 2223 G4MagErrorStepper.icc
2340 2224
2341 2225
2342 May 7th, 1998 J. Apostolakis - magfi 2226 May 7th, 1998 J. Apostolakis - magfield-06-01
2343 2227
2344 - added small changes to << 2228 - added small changes to
2345 * G4ChordFinder: methods to get 2229 * G4ChordFinder: methods to get/set IntegratorDriver
2346 * G4MagIntegratorDriver: made OneGoodSt 2230 * G4MagIntegratorDriver: made OneGoodStep method public
2347 - created the file. 2231 - created the file.