| Geant4 Cross Reference |
1 # Category field History 1 # Category field History
2 2
3 See `CONTRIBUTING.rst` for details of **requir 3 See `CONTRIBUTING.rst` for details of **required** info/format for each entry,
4 which **must** added in reverse chronological 4 which **must** added in reverse chronological order (newest at the top).
5 It must **not** be used as a substitute for wr 5 It must **not** be used as a substitute for writing good git commit messages!
6 6
7 ---------------------------------------------- 7 -------------------------------------------------------------------------------
8 8
9 ## 2024-11-26 Ivana Hrivnacova (field-V11-02-0 << 9 ## 2022-11-28 Gabriele Cosmo (field-V11-00-05)
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 10 - Fixed restore of stream precision in G4FieldManager::ReportBadEpsilonValue().
96 11
97 ## 2022-11-14 John Apostolakis (field- << 12 ## 2022-11-14 John Apostolakis (field-V11-00-04)
98 - Revised G4FieldManager to ensure that epsilo 13 - Revised G4FieldManager to ensure that epsilon_min / _max parameters
99 are less than a 'maximum accepted' accuracy 14 are less than a 'maximum accepted' accuracy (now=0.02) to ensure robust
100 behaviour of the integration. Improved their 15 behaviour of the integration. Improved their Set methods, adding
101 - warnings if min > max, with corrective be 16 - warnings if min > max, with corrective behaviour, and
102 - a fatal exception in case of values outsi 17 - a fatal exception in case of values outside the accepted range.
103 18
104 To cope with needs of legacy applications or 19 To cope with needs of legacy applications or existing needs for performance,
105 the value of the 'ceiling' maximum accepted 20 the value of the 'ceiling' maximum accepted accuracy can be modified using
106 the new static method 21 the new static method
107 G4FieldManager::SetMaxAcceptedEpsilon( 22 G4FieldManager::SetMaxAcceptedEpsilon( maxAccept, softFail);
108 but must remain under or equal to a final ce 23 but must remain under or equal to a final ceiling currently of
109 fMaxFinalEpsilon=0.03 24 fMaxFinalEpsilon=0.03
110 25
111 ## 2022-11-10 Gabriele Cosmo (field-V11-00-03) 26 ## 2022-11-10 Gabriele Cosmo (field-V11-00-03)
112 - Fixed compilation warnings for implicit type 27 - Fixed compilation warnings for implicit type conversions on macOS/XCode 14.1.
113 28
114 ## 2022-11-05 Divyansh Tiwari, John Apostolaki 29 ## 2022-11-05 Divyansh Tiwari, John Apostolakis (field-V11-00-02)
115 30
116 - Introduced G4BorisScheme and G4BorisDriver, 31 - Introduced G4BorisScheme and G4BorisDriver, a 2nd order symplectic
117 integration method, created as part of GSoC 32 integration method, created as part of GSoC 2022.
118 33
119 ## 2022-10-05 Gabriele Cosmo (field-V11-00-01) 34 ## 2022-10-05 Gabriele Cosmo (field-V11-00-01)
120 - Fixed compilation warnings on Intel/icx comp 35 - Fixed compilation warnings on Intel/icx compiler for variables set
121 but not used. 36 but not used.
122 37
123 ## 2021-12-10 Ben Morgan (field-V11-00-00) 38 ## 2021-12-10 Ben Morgan (field-V11-00-00)
124 - Change to new Markdown History format 39 - Change to new Markdown History format
125 40
126 --- 41 ---
127 42
128 # History entries prior to 11.0 43 # History entries prior to 11.0
129 44
130 March 30, 2021 B.Morgan 45 March 30, 2021 B.Morgan - field-V10-07-00
131 ----------------------- 46 -----------------------
132 - Migrate sources.cmake to modular build API 47 - Migrate sources.cmake to modular build API
133 48
134 November 26, 2020 J.Apostolakis 49 November 26, 2020 J.Apostolakis - field-V10-06-09
135 ------------------------------- 50 -------------------------------
136 - Fix to enable G4TDormandPrince45 to be used 51 - Fix to enable G4TDormandPrince45 to be used with G4InterpolationDriver.
137 52
138 This fix was needed because G4Interpolation 53 This fix was needed because G4Interpolation driver creates additional
139 copies of the stepper class. Due to this it 54 copies of the stepper class. Due to this it must obtain the equation
140 with the type of the templated stepper. 55 with the type of the templated stepper.
141 56
142 For a stepper to be used with 'G4Interpolati 57 For a stepper to be used with 'G4InterpolationDriver', it must
143 implement the method 58 implement the method
144 Equation_type GetSpecificEquation() 59 Equation_type GetSpecificEquation()
145 Templated steppers must ensure that the retu 60 Templated steppers must ensure that the return type 'Equation_type'
146 is the specific equation type of the templat 61 is the specific equation type of the template.
147 62
148 This method was added to G4DormandPrince745 63 This method was added to G4DormandPrince745 and G4TDormandPrince745.
149 64
150 October 12, 2020 J.Apostolakis 65 October 12, 2020 J.Apostolakis - field-V10-06-08
151 ------------------------------ 66 ------------------------------
152 - Fixes & refinements - mostly in templated cl 67 - Fixes & refinements - mostly in templated classes, tests.
153 Compilation fixes, e.g. missing include <cas 68 Compilation fixes, e.g. missing include <cassert>.
154 Refinements, e.g. int -> unsigned int in tem 69 Refinements, e.g. int -> unsigned int in templates
155 70
156 October 9, 2020 J.Apostolakis 71 October 9, 2020 J.Apostolakis - field-V10-06-07
157 ----------------------------- 72 -----------------------------
158 - Configure G4ChordFinder to use templated G4T 73 - Configure G4ChordFinder to use templated G4TDormandPrince45 as the
159 default stepper for magnetic fields (when on 74 default stepper for magnetic fields (when one is not chosen
160 explicitly by the application.) 75 explicitly by the application.)
161 76
162 October 9, 2020 J.Apostolakis & J. Xie 77 October 9, 2020 J.Apostolakis & J. Xie - field-V10-06-06
163 -------------------------------------- 78 --------------------------------------
164 - Adapted classes that avoid virtual calls for 79 - Adapted classes that avoid virtual calls for field, equation, stepper
165 created by Josh Xie (Google Summer of Code 2 80 created by Josh Xie (Google Summer of Code 2014), supervised by
166 S. Wenzel & J.A. 81 S. Wenzel & J.A.
167 82
168 The revised design and implementations inclu 83 The revised design and implementations include:
169 * equation of motion templated on the field 84 * equation of motion templated on the field type;
170 * steppers templated on the type of equatio 85 * steppers templated on the type of equation and the number of integration
171 variables. 86 variables.
172 In addition the key methods are marked as 'i 87 In addition the key methods are marked as 'inline' to enable compilers, where
173 they judge possible, to embed them and avoid 88 they judge possible, to embed them and avoid any function calls.
174 89
175 These classes can be combined also with the 90 These classes can be combined also with the templated drivers
176 (G4IntegrationStepper, G4FSALIntegrationStep 91 (G4IntegrationStepper, G4FSALIntegrationStepper and/or G4InterpolationDriver
177 to avoid virtual calls in all the levels up 92 to avoid virtual calls in all the levels up to the chord finder's call to
178 the integration driver. ] 93 the integration driver. ]
179 94
180 The types of stepper currently available are 95 The types of stepper currently available are
181 i) the originally developed intermediate ord 96 i) the originally developed intermediate order stepper:
182 97
183 - Name (templated) - original -- Order/ 98 - Name (templated) - original -- Order/ - Comments
184 / E 99 / Embdedded
185 =========================================== 100 ==============================================================================
186 G4TClassicalRK4: G4ClassicalRK4 4th / 101 G4TClassicalRK4: G4ClassicalRK4 4th / no robust, old default
187 G4TCashKarpRKF45: G4CashKarpRKF45 5th / 102 G4TCashKarpRKF45: G4CashKarpRKF45 5th / yes first embedded RK in G4
188 103
189 ii) the original low order steppers (for spe 104 ii) the original low order steppers (for specialised uses)
190 G4TSimpleHeum: G4SimpleHeum 3rd / 105 G4TSimpleHeum: G4SimpleHeum 3rd / no lower order alternative
191 G4TSimpleRunge: G4SimpleRunge 2nd / 106 G4TSimpleRunge: G4SimpleRunge 2nd / no very low order
192 G4TExplicitEuler: G4ExplicitEuler 1st / 107 G4TExplicitEuler: G4ExplicitEuler 1st / no lowest order - for checks only
193 108
194 and 109 and
195 iii) some newly adapted stepper(s) / ( J.A. 110 iii) some newly adapted stepper(s) / ( J.A. Oct 2020 )
196 G4TDormandPrince45 G4DormandPrince745 5th/ 111 G4TDormandPrince45 G4DormandPrince745 5th/ yes default / preferred
197 =========================================== 112 ==============================================================================
198 113
199 Note: Additional lower-order steppers are no 114 Note: Additional lower-order steppers are not yet available.
200 'Vector' steppers (using blaze) are no 115 'Vector' steppers (using blaze) are not supported.
201 116
202 Experimental versions of fields with inline 117 Experimental versions of fields with inline methods:
203 G4TUniformMagField, G4TQuadrupoleMagFiel 118 G4TUniformMagField, G4TQuadrupoleMagField
204 are included to show how the field evaluatio 119 are included to show how the field evaluation GetFieldValue can also be inlined.
205 120
206 Note 2: 121 Note 2:
207 Steppers which are not embedded obtain their 122 Steppers which are not embedded obtain their error estimates by
208 breaking the step into two halves, then comp 123 breaking the step into two halves, then comparing with the whole step.
209 As a result many more field / derivative eva 124 As a result many more field / derivative evaluations are needed than
210 embedded steppers of the same order, but the 125 embedded steppers of the same order, but the reliability of their error
211 estimation has different properties; so it m 126 estimation has different properties; so it may be more robust in some cases. )
212 127
213 June 15, 2020 G.Cosmo 128 June 15, 2020 G.Cosmo - field-V10-06-05
214 --------------------- 129 ---------------------
215 - Implemented move constructor and operator fo 130 - Implemented move constructor and operator for G4FieldTrack.
216 131
217 March 24, 2020 J.Apostolakis 132 March 24, 2020 J.Apostolakis - field-V10-06-04
218 ---------------------------- 133 ----------------------------
219 - New class G4DriverReporter to print progress 134 - New class G4DriverReporter to print progress of drivers.
220 Used for debugging differences between Old 135 Used for debugging differences between Old & fixed MagIntDriver
221 - Revisions in testing CMake config file and s 136 - Revisions in testing CMake config file and stepper/driver test
222 for magnetic field. 137 for magnetic field.
223 138
224 March 13, 2020 J.Apostolakis 139 March 13, 2020 J.Apostolakis - field-V10-06-03
225 ---------------------------- 140 ----------------------------
226 - G4VIntegrationDriver & dependent driver clas 141 - G4VIntegrationDriver & dependent driver classes:
227 Added new virtual StreamInfo() method, 142 Added new virtual StreamInfo() method,
228 & used it to implement operator << for 143 & used it to implement operator << for G4VIntegrationDriver
229 Made (virtual) DoesReIntegrate() const. 144 Made (virtual) DoesReIntegrate() const.
230 - G4MagInt_Driver: Fixed max iterations & clar 145 - G4MagInt_Driver: Fixed max iterations & clarified that its
231 ComputeNewStepSize does NOT (yet) respect 146 ComputeNewStepSize does NOT (yet) respect maximum reduction factor (0.1).
232 ( Done to enable comparisons with new G4Inte 147 ( Done to enable comparisons with new G4IntegrationDriver<> implementation.)
233 - G4OldMagIntDriver maintains all old behaviou 148 - G4OldMagIntDriver maintains all old behaviour of G4MagInt_Driver.
234 149
235 150
236 January 22, 2020 G.Cosmo 151 January 22, 2020 G.Cosmo - field-V10-06-02
237 ------------------------ 152 ------------------------
238 - Fixed compilation errors and configuration f 153 - Fixed compilation errors and configuration for field07 unit test.
239 154
240 January 13, 2020 G.Cosmo 155 January 13, 2020 G.Cosmo - field-V10-06-01
241 ------------------------ 156 ------------------------
242 - Turn off verbosity flags by default in G4Int 157 - Turn off verbosity flags by default in G4IntegratorDriver,
243 G4InterpolationDriver and G4MagIntegratorDri 158 G4InterpolationDriver and G4MagIntegratorDriver.
244 159
245 December 10, 2019 B.Morgan 160 December 10, 2019 B.Morgan - field-V10-06-00
246 -------------------------- 161 --------------------------
247 - Cleanup CMake build, removing obsolete granu 162 - Cleanup CMake build, removing obsolete granular library options and
248 explicit include_directories. 163 explicit include_directories.
249 164
250 November 14, 2019 J.Apostolakis 165 November 14, 2019 J.Apostolakis - field-V10-05-17
251 ------------------------------- 166 -------------------------------
252 - Added method / attribute to G4VIntegrationDr 167 - Added method / attribute to G4VIntegrationDriver DoesReIntegrate()
253 to inform whether the driver recomputes seg 168 to inform whether the driver recomputes segment when
254 AccurateAdvance is called. 169 AccurateAdvance is called.
255 170
256 October 27, 2019 D.Sorokin 171 October 27, 2019 D.Sorokin - field-V10-05-16
257 ---------------------------- 172 ----------------------------
258 - Remove statistics printouts from destructor 173 - Remove statistics printouts from destructor of G4BFieldIntegrationDriver
259 174
260 October 24, 2019 H.Burkhardt 175 October 24, 2019 H.Burkhardt - field-V10-05-15
261 ---------------------------- 176 ----------------------------
262 - Standard sextupole magnet first implementati 177 - Standard sextupole magnet first implementation G4SextupoleMagField.cc,.hh
263 178
264 October 18, 2019 D. Sorokin 179 October 18, 2019 D. Sorokin - field-V10-05-14
265 ----------------------------------------- 180 -----------------------------------------
266 - Fix floating point exception in G4BFieldInte 181 - Fix floating point exception in G4BFieldIntegrationDriver.
267 182
268 October 1, 2019 G. Cosmo 183 October 1, 2019 G. Cosmo - field-V10-05-13
269 ----------------------------------------- 184 -----------------------------------------
270 - Fixed unitialised data in G4EqMagElectricFie 185 - Fixed unitialised data in G4EqMagElectricField and G4EqGravityField,
271 reported by Coverity. 186 reported by Coverity.
272 187
273 September 12, 2019 G. Cosmo 188 September 12, 2019 G. Cosmo - field-V10-05-12
274 ----------------------------------------- 189 -----------------------------------------
275 - Minor C++11 revision. Code formatting and cl 190 - Minor C++11 revision. Code formatting and cleanup.
276 191
277 July 8, 2019 D. Sorokin 192 July 8, 2019 D. Sorokin - field-V10-05-11
278 ----------------------------------------- 193 -----------------------------------------
279 - G4BFieldIntegrationDriver: an attempt to sol 194 - G4BFieldIntegrationDriver: an attempt to solve looping particle issue.
280 195
281 July 3, 2019 D. Sorokin 196 July 3, 2019 D. Sorokin - field-V10-05-10
282 ----------------------------------------- 197 -----------------------------------------
283 - Make G4InterpolationDriver default for perfo 198 - Make G4InterpolationDriver default for performance assessments.
284 199
285 June 25, 2019 D. Sorokin 200 June 25, 2019 D. Sorokin - field-V10-05-09
286 ----------------------------------------- 201 -----------------------------------------
287 - Fix Dormand-Prince 5th order interpolation m 202 - Fix Dormand-Prince 5th order interpolation method
288 203
289 June 20, 2019 D. Sorokin 204 June 20, 2019 D. Sorokin - field-V10-05-08
290 ----------------------------------------- 205 -----------------------------------------
291 - New version of G4InterpolationDriver with mu 206 - New version of G4InterpolationDriver with multiple steppers for each substep.
292 207
293 June 12, 2019 D. Sorokin & J. Apostolakis 208 June 12, 2019 D. Sorokin & J. Apostolakis - field-V10-05-07
294 ----------------------------------------- 209 -----------------------------------------
295 - Revert to use G4IntegrationDriver as default 210 - Revert to use G4IntegrationDriver as default in G4ChordFinder
296 ( c-tor for magnetic field. ). 211 ( c-tor for magnetic field. ).
297 Change to use concrete type of Stepper as te 212 Change to use concrete type of Stepper as template parameter
298 213
299 June 10, 2019 Dmitry Sorokin 214 June 10, 2019 Dmitry Sorokin - field-V10-05-06
300 ------------------------- 215 -------------------------
301 - Remove division in G4DormandPrince745::Inter 216 - Remove division in G4DormandPrince745::Interpolate4thOrder.
302 217
303 June 7, 2019 Dmitry Sorokin 218 June 7, 2019 Dmitry Sorokin - field-V10-05-05
304 ------------------------- 219 -------------------------
305 - Switch to original chord finding algorithm i 220 - Switch to original chord finding algorithm in G4InterpolationDriver
306 - Reset step estimate in G4MagInt_Driver only 221 - Reset step estimate in G4MagInt_Driver only at the beginning of a track
307 - Change G4VERBOSE to G4FIELD_DEBUG in G4Inter 222 - Change G4VERBOSE to G4FIELD_DEBUG in G4InterpolationDriver to speed-up
308 223
309 June 4, 2019 Dmitry Sorokin 224 June 4, 2019 Dmitry Sorokin - field-V10-05-04
310 ------------------------- 225 -------------------------
311 - Use FSAL property of G4DormandPrince745 in G 226 - Use FSAL property of G4DormandPrince745 in G4InterpolationDriver.
312 227
313 June 3, 2019 Dmitry Sorokin 228 June 3, 2019 Dmitry Sorokin - field-V10-05-03
314 ------------------------- 229 -------------------------
315 - Fix memory churn in G4InterpolationDriver. 230 - Fix memory churn in G4InterpolationDriver.
316 231
317 May 20, 2019 Dmitry Sorokin 232 May 20, 2019 Dmitry Sorokin - field-V10-05-02
318 ------------------------- 233 -------------------------
319 - Make interpolation driver default for immedi 234 - Make interpolation driver default for immediate testing.
320 235
321 April 8, 2019 H.Burkhardt 236 April 8, 2019 H.Burkhardt - field-V10-05-01
322 ------------------------- 237 -------------------------
323 - Correcting transformation to local system in 238 - Correcting transformation to local system in G4QuadrupoleMagField.cc
324 239
325 March 20, 2019 G.Cosmo 240 March 20, 2019 G.Cosmo - field-V10-05-00
326 ---------------------- 241 ----------------------
327 - Corrected 'RegularStepperName' in G4ChordFin 242 - Corrected 'RegularStepperName' in G4ChordFinder to refer to the actual
328 default stepper G4DormandPrince745 rather th 243 default stepper G4DormandPrince745 rather than G4NystromRK4...
329 244
330 November 9, 2018 J.Apostolakis 245 November 9, 2018 J.Apostolakis - field-V10-04-17
331 ------------------------------ 246 ------------------------------
332 - Small fixes for warnings in compilation. 247 - Small fixes for warnings in compilation.
333 - Revisions of descriptions of recent tags (fo 248 - Revisions of descriptions of recent tags (for clarification.)
334 249
335 September 26, 2018 D.Sorokin 250 September 26, 2018 D.Sorokin - field-V10-04-15, -16
336 ---------------------------- 251 ----------------------------
337 - Implemented G4InterpolationDriver. This driv 252 - Implemented G4InterpolationDriver. This driver uses a Runge-Kutta
338 stepper with interpolation property to integ 253 stepper with interpolation property to integrate EoM with error control.
339 The field evaluations used to calculate the 254 The field evaluations used to calculate the enpoint of an 'advance' can
340 be reused to obtain one or multiple internal 255 be reused to obtain one or multiple internal points on the curve (x,p).
341 So in steps in which an intersection is foun 256 So in steps in which an intersection is found, the number of field
342 evaluations are expected to be reduced subst 257 evaluations are expected to be reduced substantially.
343 258
344 September 13, 2018 D.Sorokin 259 September 13, 2018 D.Sorokin - field-V10-04-13, -14
345 ---------------------------- 260 ----------------------------
346 - G4NystromRK4 creates G4CachedMagneticField i 261 - G4NystromRK4 creates G4CachedMagneticField if it was not provided.
347 - Removed G4MagIntegratorStepper::ComputeRight 262 - Removed G4MagIntegratorStepper::ComputeRightHandSide() method
348 (all calls now use non-virtual RightHandSide 263 (all calls now use non-virtual RightHandSide() method instead).
349 - Reversed declaration of final for the class 264 - Reversed declaration of final for the class G4UniformMagField.
350 Returned to previous status: only GetFieldVa 265 Returned to previous status: only GetFieldValue method is final.
351 ( This avoid need to change examples/tests a 266 ( This avoid need to change examples/tests and potentially migrate
352 users' code. ) 267 users' code. )
353 268
354 September 12, 2018 D.Sorokin 269 September 12, 2018 D.Sorokin - field-V10-04-11, -12
355 ---------------------------- 270 ----------------------------
356 - Created new experimental driver G4BFieldInte 271 - Created new experimental driver G4BFieldIntegrationDriver for pure
357 magnetic fields. In QuickAdvance it uses he 272 magnetic fields. In QuickAdvance it uses helix stepper when the
358 estimated 'helix' rotation angle is larger t 273 estimated 'helix' rotation angle is larger than pi/3.
359 - G4NystromRK4 uses G4CachedMagneticField for 274 - G4NystromRK4 uses G4CachedMagneticField for caching values.
360 NOTE: It now the user's responsibility to cr 275 NOTE: It now the user's responsibility to create G4CachedMagneticField.
361 ( The alternative is to create G4CachedMagne 276 ( The alternative is to create G4CachedMagneticField inside G4NystromRK4.
362 But this would have several disadvantages: 277 But this would have several disadvantages:
363 * It would change the field in the user's 278 * It would change the field in the user's equation of motion;
364 * G4NystromRK4 is not able to check whethe 279 * G4NystromRK4 is not able to check whether the user calls the method
365 that changes the equation using SetEquat 280 that changes the equation using SetEquationOfMotion method. )
366 281
367 July 10, 2018 D. Sorokin - field- 282 July 10, 2018 D. Sorokin - field-V10-04-08, -09, -10
368 ------------------------ Tags by J. Apostolaki 283 ------------------------ Tags by J. Apostolakis
369 - Corrections in calculation of chord distance 284 - Corrections in calculation of chord distance in G4DormandPrince745
370 ( use 4th order interpolation from Shampine 285 ( use 4th order interpolation from Shampine 1986 for mid-point. )
371 - Revised G4FieldUtils: moved copy() method fr 286 - Revised G4FieldUtils: moved copy() method from steppers,
372 added 2 new setValue: simple & variadic meth 287 added 2 new setValue: simple & variadic methods.
373 - Fixes to copy input time in ModifiedMidpoint 288 - Fixes to copy input time in ModifiedMidpoint, CashKarp, G4RK547FEq1/2/3
374 Bogacki-Shampine 4/5 and 2/3 (note: B-S 2/3 289 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 290 Dormand Prince 4/5, 5/6 and 7/8, and Tsitouras steppers.
376 - Trial revision in G4BulirschStoer to reduce 291 - Trial revision in G4BulirschStoer to reduce number of division
377 operations (J.A.) 292 operations (J.A.)
378 - Fix for unitialised pIntStepper pointer in G 293 - Fix for unitialised pIntStepper pointer in G4FSALIntegrationDriver
379 constructor. Revision of data member variab 294 constructor. Revision of data member variable names. ( J.A. )
380 295
381 June 15, 2018 G.Cosmo - fiel 296 June 15, 2018 G.Cosmo - field-V10-04-07
382 --------------------- 297 ---------------------
383 - Fixed minor Coverity defects in G4BurlischSt 298 - Fixed minor Coverity defects in G4BurlischStoer and G4ModifiedMidPoint.
384 Code cleanup. 299 Code cleanup.
385 300
386 June 13, 2018 G.Cosmo - fiel 301 June 13, 2018 G.Cosmo - field-V10-04-06
387 --------------------- 302 ---------------------
388 - Leave override final only for clone() method 303 - Leave override final only for clone() method in G4UniformMagField,
389 not in destructor... 304 not in destructor...
390 305
391 June 12, 2018 G.Cosmo - fiel 306 June 12, 2018 G.Cosmo - field-V10-04-05
392 --------------------- 307 ---------------------
393 - Use G4Exception warnings instead of streamin 308 - Use G4Exception warnings instead of streaming to cerr.
394 - Added override final for virtual methods in 309 - Added override final for virtual methods in G4UniformMagField (J.Apostolakis).
395 - Some code cleanup. 310 - Some code cleanup.
396 311
397 Apr 30, 2018 J. Apostolakis - fiel 312 Apr 30, 2018 J. Apostolakis - field-V10-04-04
398 --------------------------- 313 ---------------------------
399 - G4VIntegrationDriver and derived classes 314 - G4VIntegrationDriver and derived classes
400 315
401 Added new virtual method in G4VIntegrationDr 316 Added new virtual method in G4VIntegrationDriver :
402 void RenewStepperAndAdjust(G4MagIntegrat 317 void RenewStepperAndAdjust(G4MagIntegratorStepper *pItsStepper)
403 which used to exist in G4MagInt_Driver. 318 which used to exist in G4MagInt_Driver.
404 ( Its absence caused a problem in some exist 319 ( Its absence caused a problem in some existing user code since 10.4. )
405 320
406 This method must be defined in those derived 321 This method must be defined in those derived driver classes which accept
407 a Runge Kutta stepper ( i.e. some or any typ 322 a Runge Kutta stepper ( i.e. some or any type of G4MagIntegratorStepper )
408 323
409 - G4IntegrationDriver, G4FSALIntegrationDriver 324 - G4IntegrationDriver, G4FSALIntegrationDriver
410 Defined default implementation (which throws 325 Defined default implementation (which throws a Fatal G4Exception), and
411 implementations in the templated classes G4I 326 implementations in the templated classes G4IntegrationDriver and
412 G4FSALIntegrationDriver which check the type 327 G4FSALIntegrationDriver which check the type (via dynamic cast) and
413 change the stepper if it is appropriate. 328 change the stepper if it is appropriate.
414 329
415 Feb 13, 2018 J. Apostolakis - fiel 330 Feb 13, 2018 J. Apostolakis - field-V10-04-03
416 --------------------------- 331 ---------------------------
417 - Change in G4FieldManager::CreateChordFinder 332 - Change in G4FieldManager::CreateChordFinder to cope
418 better with case that field argument is null 333 better with case that field argument is null.
419 334
420 Feb 13, 2018 D. Sorokin - fiel 335 Feb 13, 2018 D. Sorokin - field-V10-04-01
421 ----------------------- - fiel 336 ----------------------- - field-V10-04-02 (comp. fix)
422 - Introduced Bulirsch-Stoer method of integrat 337 - Introduced Bulirsch-Stoer method of integration, an alternative
423 to Runge-Kutta based on the mid-point method 338 to Runge-Kutta based on the mid-point method.
424 Separate driver derived G4VIntegrationDriver 339 Separate driver derived G4VIntegrationDriver and implemented
425 using specialisation of G4IntegrationDriver 340 using specialisation of G4IntegrationDriver template class.
426 Note: this method does not have a RK 'Steppe 341 Note: this method does not have a RK 'Stepper' !
427 342
428 Jan 31, 2018 J. Apostolakis 343 Jan 31, 2018 J. Apostolakis
429 --------------------------- 344 ---------------------------
430 - G4MagneticField no longer inherits from G4El 345 - G4MagneticField no longer inherits from G4ElectroMagneticField
431 This was incorrect, and allowed a user to pr 346 This was incorrect, and allowed a user to provide a full EM
432 field, but obtain the force only from the B- 347 field, but obtain the force only from the B-field when using
433 the equation created in the G4ChordFinder co 348 the equation created in the G4ChordFinder constructor.
434 => potential interface change. 349 => potential interface change.
435 350
436 Result: It is no longer possible to use the 351 Result: It is no longer possible to use the equation of motion for a
437 pure magnetic field for the case of a mix 352 pure magnetic field for the case of a mixed electromagnetic field.
438 This change is desired, and is a *protect 353 This change is desired, and is a *protection* as that inadvertent
439 use led to incorrect results. 354 use led to incorrect results.
440 Instead the full chain of classes for equati 355 Instead the full chain of classes for equation of full EM field,
441 steppers and driver must be used for the 356 steppers and driver must be used for the case of the 'full' EM field.
442 357
443 Feb 9, 2017 G.Cosmo - fiel 358 Feb 9, 2017 G.Cosmo - field-V10-04-00
444 ------------------- 359 -------------------
445 - Removed static data from G4FSALIntegrationDr 360 - Removed static data from G4FSALIntegrationDriver, G4IntegrationDriver and
446 G4MagIntegratorDriver and moved to base clas 361 G4MagIntegratorDriver and moved to base class as normal data members.
447 Fix required for allowing proper symbol expo 362 Fix required for allowing proper symbol exporting on Windows DLLs.
448 363
449 Nov 17, 2017 J. Apostolakis - fiel 364 Nov 17, 2017 J. Apostolakis - field-V10-03-30
450 --------------------------- 365 ---------------------------
451 - G4ChordFinder: Reinstated old driver G4MagIn 366 - G4ChordFinder: Reinstated old driver G4MagInt_Drv, for use
452 with G4DormandPrince745 (5th order) in G4C 367 with G4DormandPrince745 (5th order) in G4ChordFinder's
453 2nd constructor (with magnetic field.) 368 2nd constructor (with magnetic field.)
454 ( Reverses change made in field-V10-03-27 ) 369 ( Reverses change made in field-V10-03-27 )
455 370
456 Nov 16, 2017 J. Apostolakis - fiel 371 Nov 16, 2017 J. Apostolakis - field-V10-03-29
457 --------------------------- 372 ---------------------------
458 - Suppressed statistics printing in G4ChordFin 373 - Suppressed statistics printing in G4ChordFinder and new drivers
459 ( G4IntegrationDriver and G4FSALIntegration 374 ( G4IntegrationDriver and G4FSALIntegrationDriver )
460 protecting them by verbosity flags. 375 protecting them by verbosity flags.
461 376
462 - Minor fix to initialise scalar data member i 377 - Minor fix to initialise scalar data member in new steppers
463 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3. 378 G4RK547FEq1, G4RK547FEq2 and G4RK547FEq3.
464 Fixes coverity issues 97886, 97888 and 97889 379 Fixes coverity issues 97886, 97888 and 97889.
465 380
466 381
467 Nov 14, 2017 J. Apostolakis - fiel 382 Nov 14, 2017 J. Apostolakis - field-V10-03-28
468 --------------------------- 383 ---------------------------
469 - Suppressed extra verbosity in G4ChordFinder. 384 - Suppressed extra verbosity in G4ChordFinder.
470 - Fix in G4FSALDormandPrince745 for unitialise 385 - Fix in G4FSALDormandPrince745 for unitialised variables.
471 Initialise ak8[], ak9[] in constructor. This 386 Initialise ak8[], ak9[] in constructor. This avoids repeated
472 memory allocation, without deletion - i.e. a 387 memory allocation, without deletion - i.e. a memory leak.
473 - Initialise fLastStepLength and/or fAuxSteppe 388 - Initialise fLastStepLength and/or fAuxStepper data members in
474 in constructors of G4DormandPrince745 and G4 389 in constructors of G4DormandPrince745 and G4FSALDormandPrince745.
475 Coverity issues: 67394 (G4FSALDormandPrince7 390 Coverity issues: 67394 (G4FSALDormandPrince745)
476 67391 (G4DormandPrince7 391 67391 (G4DormandPrince745)
477 392
478 Nov 14, 2017 J. Apostolakis - fiel 393 Nov 14, 2017 J. Apostolakis - field-V10-03-27 (fixed)
479 --------------------------- - fiel 394 --------------------------- - field-V10-03-26
480 - G4ChordFinder: changes in default stepper & 395 - G4ChordFinder: changes in default stepper & driver in 2nd constructor.
481 in which only a magnetic field is provided ( 396 in which only a magnetic field is provided (used widely) :
482 397
483 * Reinstated G4DormandPrince745 (5th order) 398 * Reinstated G4DormandPrince745 (5th order) as default in G4ChordFinder.
484 (corrected -23, which missed to initialise 399 (corrected -23, which missed to initialise driver.)
485 400
486 * New templated driver G4IntegrationDriver i 401 * New templated driver G4IntegrationDriver is chosen for the
487 the simple constuctors of G4ChordFinder an 402 the simple constuctors of G4ChordFinder and G4FieldManager
488 which only require a (pure) magnetic field 403 which only require a (pure) magnetic field. ( Details below.)
489 404
490 Additional information and details: 405 Additional information and details:
491 * New optional parameter to constructor of G 406 * New optional parameter to constructor of G4ChordFinder which
492 allow to create an FSAL stepper and corres 407 allow to create an FSAL stepper and corresponding driver instead.
493 This aims to reuse some derivatives, thus 408 This aims to reuse some derivatives, thus reducing computations
494 of derivatives and thus field evaluations. 409 of derivatives and thus field evaluations. )
495 410
496 * The templated 'driver' classes, available 411 * The templated 'driver' classes, available and now chosen in
497 G4ChordFinder's 2nd constructor, are used 412 G4ChordFinder's 2nd constructor, are used per type of stepper
498 class: 413 class:
499 - G4IntegrationDriver for non-FSAL 414 - G4IntegrationDriver for non-FSAL steppers
500 - G4FSALIntegrationDriver for FSAL-capab 415 - G4FSALIntegrationDriver for FSAL-capable steppers
501 These make non-virtual calls to the steppe 416 These make non-virtual calls to the stepper, as they know its type.
502 417
503 - First fix in G4FSALDormandPrince745 for memo 418 - First fix in G4FSALDormandPrince745 for memory leak, missing
504 delete[] fInitialDyDx in destructor. Coverit 419 delete[] fInitialDyDx in destructor. Coverity issue: 96383.
505 420
506 ---------------------------------------------- 421 ----------------------------------------------------------------------
507 Multiple tags (below) were to better test step 422 Multiple tags (below) were to better test stepper/driver combinations:
508 Date Tagger Tag name Stepper 423 Date Tagger Tag name Stepper Driver
509 ============================================== 424 ======================================================================
510 Nov 3, D. Sorokin field-V10-03-25 G4FSALBo 425 Nov 3, D. Sorokin field-V10-03-25 G4FSALBogackiShampine45 FSAL
511 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDo 426 Nov 3, J. Apostolakis field-V10-03-24 G4FSALDormandPrince745 FSAL ok
512 Nov 2, J. Apostolakis field-V10-03-23 G4Dorman 427 Nov 2, J. Apostolakis field-V10-03-23 G4DormandPrince745 new
513 Nov 2, J. Apostolakis field-V10-03-22 G4RK547F 428 Nov 2, J. Apostolakis field-V10-03-22 G4RK547FEq1 FSAL ok
514 ---------------------------------------------- 429 ----------------------------------------------------------------------
515 Glossary of drivers: 430 Glossary of drivers:
516 the FSAL driver = using G4FSALIntegrationDr 431 the FSAL driver = using G4FSALIntegrationDriver (templated)
517 the new driver = using G4IntegrationDriver 432 the new driver = using G4IntegrationDriver (templated)
518 ============================================== 433 ===================================================================
519 434
520 Nov 2, 2017 D. Sorokin - fiel 435 Nov 2, 2017 D. Sorokin - field-V10-03-21
521 --------------------------------------- 436 ---------------------------------------
522 - Added new steppers G4RK547FEq{1,2,3} which i 437 - Added new steppers G4RK547FEq{1,2,3} which implement 7 stage embedded
523 Runge-Kutta 4,5 pairs with: 438 Runge-Kutta 4,5 pairs with:
524 - FSAL property (return derivative at end 439 - FSAL property (return derivative at endpoint for use in next step),
525 - stable equilibrium states ( improved ha 440 - stable equilibrium states ( improved handling of difficulties in
526 integration: better stability in choo 441 integration: better stability in choosing step size. )
527 Each one can be used with all existing Runge 442 Each one can be used with all existing Runge-Kutta drivers:
528 - G4FSALIntegrationDriver, using its FSAL 443 - G4FSALIntegrationDriver, using its FSAL property;
529 - G4IntegrationDriver without its FSAL 444 - G4IntegrationDriver without its FSAL property.
530 - the original G4MagInt_Driver, also igno 445 - the original G4MagInt_Driver, also ignoring FSAL.
531 446
532 - Reinstated G4DormandPrince745 ( known widel 447 - Reinstated G4DormandPrince745 ( known widely as DOPRI5 ) as
533 the default RK method in G4ChordFinder for p 448 the default RK method in G4ChordFinder for pure magnetic fields.
534 ( Withdrew G4BogackiShampine45. ) J. Apos 449 ( Withdrew G4BogackiShampine45. ) J. Apostolakis
535 450
536 Nov 1, 2017 J. Apostolakis - fiel 451 Nov 1, 2017 J. Apostolakis - field-V10-03-20
537 --------------------------- 452 ---------------------------
538 - Made G4BogackiShampine45 the default RK meth 453 - Made G4BogackiShampine45 the default RK method in G4ChordFinder
539 for pure magnetic fields. 454 for pure magnetic fields.
540 455
541 Oct 30, 2017 D. Sorokin/J.Apostolakis - fiel 456 Oct 30, 2017 D. Sorokin/J.Apostolakis - field-V10-03-19
542 --------------------------------------- 457 ---------------------------------------
543 - add GetStepper method to G4VIntegrationDrive 458 - add GetStepper method to G4VIntegrationDriver for backward compatibility
544 459
545 Oct 20, 2017 D. Sorokin - fiel 460 Oct 20, 2017 D. Sorokin - field-V10-03-18
546 --------------------------------------- 461 ---------------------------------------
547 Introduced base class for any driver algorithm 462 Introduced base class for any driver algorithm (G4VIntegrationDriver)
548 New concrete classes added: 463 New concrete classes added:
549 - G4IntegrationDriver: implementation of templ 464 - G4IntegrationDriver: implementation of templated driver algorithm
550 for non-fsal explicit Runge-Kutta steppers 465 for non-fsal explicit Runge-Kutta steppers
551 - G4FSALIntegrationDriver: implementation of d 466 - G4FSALIntegrationDriver: implementation of driver algorithm for
552 FSAL explicit Runge-Kutta steppers. 467 FSAL explicit Runge-Kutta steppers.
553 Existing class G4MagInt_Drv remains, deriving 468 Existing class G4MagInt_Drv remains, deriving from base class.
554 469
555 - Expanded testing in testProElectroMagField ( 470 - Expanded testing in testProElectroMagField (higher precision, new driver)
556 ( J. Apostolakis) 471 ( J. Apostolakis)
557 472
558 Oct 13, 2017 D. Sorokin - fiel 473 Oct 13, 2017 D. Sorokin - field-V10-03-17
559 --------------------------------------- 474 ---------------------------------------
560 - add G4FieldUtils.hh, G4FieldUtils.icc, G4Fie 475 - add G4FieldUtils.hh, G4FieldUtils.icc, G4FieldUtils.cc:
561 utilities to extract data from arrays in con 476 utilities to extract data from arrays in conventions of the
562 magneticfield integration. 477 magneticfield integration.
563 478
564 Oct 13, 2017 G. Cosmo - fiel 479 Oct 13, 2017 G. Cosmo - field-V10-03-16
565 --------------------------------------- 480 ---------------------------------------
566 - G4NystromRK4: use consistenly G4 types for d 481 - G4NystromRK4: use consistenly G4 types for double and bool in G4NystromRK4.
567 482
568 Aug 31, 2017 J. Apostolakis - fiel 483 Aug 31, 2017 J. Apostolakis - field-V10-03-15
569 --------------------------------------- 484 ---------------------------------------
570 - Made G4DormandPrince457 the default Stepper 485 - Made G4DormandPrince457 the default Stepper for magnetic fields in
571 G4ChordFinder - when a driver/stepper is not 486 G4ChordFinder - when a driver/stepper is not specified.
572 487
573 Aug 31, 2017 J. Apostolakis - fiel 488 Aug 31, 2017 J. Apostolakis - field-V10-03-14
574 --------------------------------------- 489 ---------------------------------------
575 - G4NystromRK4: used caching of momentum magni 490 - G4NystromRK4: used caching of momentum magnitude ( & its inverse)
576 to reduce overhead of fix in field-V10-03-10 491 to reduce overhead of fix in field-V10-03-10.
577 492
578 Aug 25, 2017 J. Apostolakis - fiel 493 Aug 25, 2017 J. Apostolakis - field-V10-03-12, 13
579 --------------------------------------- 494 ---------------------------------------
580 - G4MagInt_Driver: added GetEquationOfMotion m 495 - G4MagInt_Driver: added GetEquationOfMotion method for enabling common
581 code with future develoment. 496 code with future develoment.
582 497
583 Aug 24, 2017 D.Sorokin & J. Apostolakis - fiel 498 Aug 24, 2017 D.Sorokin & J. Apostolakis - field-V10-03-11
584 --------------------------------------- 499 ---------------------------------------
585 - G4NystromRK4: correction in call to getField 500 - G4NystromRK4: correction in call to getField: needs p[4], not p[3]
586 ( Spotted by D. Sorokin ) 501 ( Spotted by D. Sorokin )
587 Also small cleanup of testing code into 2 sm 502 Also small cleanup of testing code into 2 small new methods.
588 ( J. Apostolakis ) 503 ( J. Apostolakis )
589 504
590 Aug 23, 2017 J.Apostolakis - fiel 505 Aug 23, 2017 J.Apostolakis - field-V10-03-10
591 -------------------------- 506 --------------------------
592 - G4NystromRK4 - Fix the caching of momentum, 507 - G4NystromRK4 - Fix the caching of momentum, field location & value.
593 Fixes issue reported by ALICE ( problem repo 508 Fixes issue reported by ALICE ( problem report #1996 ).
594 Thanks to Ruben Shahoyan for identifying and 509 Thanks to Ruben Shahoyan for identifying and reporting the issue!
595 - Temporarly made G4NystromRK4 the default Ste 510 - Temporarly made G4NystromRK4 the default Stepper in G4ChordFinder's 2nd
596 constructor (to ensure adequate testing). 511 constructor (to ensure adequate testing).
597 512
598 Jul 04, 2017 J.Apostolakis - field 513 Jul 04, 2017 J.Apostolakis - field-V10-03-09
599 -------------------------- 514 --------------------------
600 - G4DormandPrinceRK78: initialise fLastStepLen 515 - G4DormandPrinceRK78: initialise fLastStepLength and/or fAuxStepper data
601 members in constructor. Coverity issue: 6739 516 members in constructor. Coverity issue: 67398,
602 Improved description and reference to origin 517 Improved description and reference to original 1981 DP paper.
603 - G4MagIntegratorDriver: initialised fNoCalls 518 - G4MagIntegratorDriver: initialised fNoCalls in c-tor. Coverity #15158.
604 519
605 Jul 03, 2017 J.Apostolakis - field 520 Jul 03, 2017 J.Apostolakis - field-V10-03-08
606 -------------------------- 521 --------------------------
607 - G4FSALBogackiShampline45: initialise 'bi[][] 522 - G4FSALBogackiShampline45: initialise 'bi[][]' const coefficients only 1 time
608 in method PrepareConstants() called by const 523 in method PrepareConstants() called by constructor.
609 ( Similar to G4BogackiShampine => seek con 524 ( Similar to G4BogackiShampine => seek consolidation )
610 Small fix: initialise fAuxStepper to nullptr 525 Small fix: initialise fAuxStepper to nullptr, if not primary.
611 ( Part of Coverity issue 67394 ) 526 ( Part of Coverity issue 67394 )
612 - G4DormandPrinceRK56: fix for significant mem 527 - G4DormandPrinceRK56: fix for significant memory leak of ak10_low buffer
613 space in SetupInterpolate_low(), apparently 528 space in SetupInterpolate_low(), apparently not seen by Coverity
614 because it was initialised in each use, not 529 because it was initialised in each use, not in constructor!
615 Improved initialisation of ak10, 11, 12 (mov 530 Improved initialisation of ak10, 11, 12 (moved to constructor)
616 and fixed small memory leak (added deletion 531 and fixed small memory leak (added deletion in destructor).
617 - G4MagIntegratorStepper: initialise fNoRHSCal 532 - G4MagIntegratorStepper: initialise fNoRHSCalls & fIntegrationOrder in c-tor.
618 ( fIntegrationOrder is not yet used widely - 533 ( fIntegrationOrder is not yet used widely - future migration )
619 Coverity issue 67392. 534 Coverity issue 67392.
620 - G4VFSALIntegrationStepper: initialise counte 535 - G4VFSALIntegrationStepper: initialise counter in c-tor. Coverity issue 67396.
621 - G4BogackiShampine23: initialised fIsFSAL, fI 536 - G4BogackiShampine23: initialised fIsFSAL, fIntegrationOrder in c-tor.
622 Suppressed obsolete virtual method isFSAL, 537 Suppressed obsolete virtual method isFSAL,
623 Deleted duplicate virtual method 'isFSAL()'. 538 Deleted duplicate virtual method 'isFSAL()'. Non-virtual method IsFSAL()
624 now exists in base class G4MagIntegratorStep 539 now exists in base class G4MagIntegratorStepper.
625 Made copy constructor and equal operator pri 540 Made copy constructor and equal operator private and not unimplemented.
626 Added explanatory comments in source file; c 541 Added explanatory comments in source file; can make this method FSAL easily
627 (it calculates derivative @ endpoint. ) 542 (it calculates derivative @ endpoint. )
628 - Several steppers ( G4DoLoMcPriRK34, G4FSALBo 543 - Several steppers ( G4DoLoMcPriRK34, G4FSALBogackiShampine45,
629 G4DormandPrince745, G4BogackiShampine45 ): i 544 G4DormandPrince745, G4BogackiShampine45 ): initialise fLastStepLength and/or
630 fAuxStepper data members in constructor. 545 fAuxStepper data members in constructor.
631 Coverity issues: 67393, 67394, 67391, 67390, 546 Coverity issues: 67393, 67394, 67391, 67390, 67363
632 547
633 Jul 03, 2017 J.Apostolakis - field 548 Jul 03, 2017 J.Apostolakis - field-V10-03-05, -06, -07
634 -------------------------- 549 --------------------------
635 - fix for memory leak in Stepper() in two step 550 - fix for memory leak in Stepper() in two steppers:
636 G4FSALBogackiShampline45 ( Coverity issue 551 G4FSALBogackiShampline45 ( Coverity issue 67389 )
637 G4FSALDormandPrince745 ( Coverity issue 552 G4FSALDormandPrince745 ( Coverity issue 67397 )
638 - G4BogackiShampline23: fix for memory leak in 553 - G4BogackiShampline23: fix for memory leak in destructor
639 ( Coverity issue 67355 ) 554 ( Coverity issue 67355 )
640 555
641 May 17, 2017 J.Apostolakis - field 556 May 17, 2017 J.Apostolakis - field-V10-03-03, -04 (resubmit)
642 -------------------------- 557 --------------------------
643 - G4FieldManager::SetDetectorField 558 - G4FieldManager::SetDetectorField
644 Fixed default of 'fail mode' parameter in 559 Fixed default of 'fail mode' parameter in
645 to 0 (silent) - not 1 which was used for 560 to 0 (silent) - not 1 which was used for debugging.
646 In case of existing G4ChordFinder, use 'max' 561 In case of existing G4ChordFinder, use 'max' (1, failMode) not min.
647 562
648 563
649 May 11, 2017 J.Apostolakis - field 564 May 11, 2017 J.Apostolakis - field-V10-03-02
650 -------------------------- 565 --------------------------
651 - Reintroduced changes of field-V10-01-05, 06 566 - Reintroduced changes of field-V10-01-05, 06 and 07 to address
652 issue recalled by ATLAS. 567 issue recalled by ATLAS.
653 - New fixes/refinements (since field-V10-01-07 568 - New fixes/refinements (since field-V10-01-07)
654 o Extra check for missing equation. (Fix) 569 o Extra check for missing equation. (Fix)
655 o Renamed G4FieldManager::SetFieldChangesEne 570 o Renamed G4FieldManager::SetFieldChangesEnergy() method to
656 InitialiseFieldChangesEnergy() to clarify 571 InitialiseFieldChangesEnergy() to clarify its utility.
657 - Original functionality change (copied from f 572 - Original functionality change (copied from field-V10-01-05, & -07) :
658 o G4FieldManager.cc : Revised behaviour of S 573 o G4FieldManager.cc : Revised behaviour of SetDetector - it now
659 passes the Field to the Equation, as is th 574 passes the Field to the Equation, as is the natural user expectation
660 The previous behaviour is possible, using 575 The previous behaviour is possible, using extra argument 'failMode' flag.
661 Values: 0 = silent ; 576 Values: 0 = silent ;
662 1 (default) = warning; 577 1 (default) = warning;
663 2 or other = fatal except 578 2 or other = fatal exception.
664 579
665 This change is to ensure that user expecta 580 This change is to ensure that user expectation is met:
666 if the field is changed for an existing, w 581 if the field is changed for an existing, working stepper it must
667 be propagated to the equation of motion. 582 be propagated to the equation of motion.
668 Note: this causes potential conflict betwe 583 Note: this causes potential conflict between the type of the equation
669 and the field, which will need to be 584 and the field, which will need to be solved in the future.
670 Old behaviour (just set our own pointer) i 585 Old behaviour (just set our own pointer) is still available in new method:
671 ProposeDetectorField(G4Field *detectorFiel 586 ProposeDetectorField(G4Field *detectorField)
672 Note: Error reporting behaviour of SetDete 587 Note: Error reporting behaviour of SetDetector is 'soft'. It does not
673 complain by default if ChordFinder i 588 complain by default if ChordFinder is not (yet) set.
674 ( The default values of failMode = 0 589 ( The default values of failMode = 0 i.e. quiet. )
675 If a chord-finder exists, it will still wa 590 If a chord-finder exists, it will still warn for other errors.
676 To obtain have noisy extra checks call Set 591 To obtain have noisy extra checks call SetDetectorField with failMode > 0
677 or by using the new method for an existing 592 or by using the new method for an existing field:
678 ChangeDetectorField(G4Field *detectorField 593 ChangeDetectorField(G4Field *detectorField)
679 OLD: Co-works and requires new tag in geomet 594 OLD: Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
680 595
681 Mar 22, 2017 G.Cosmo - fiel 596 Mar 22, 2017 G.Cosmo - field-V10-03-01
682 --------------------- 597 ---------------------
683 - Revert change made in previous tag and add s 598 - Revert change made in previous tag and add simple accessor to return
684 singleton pointer. 599 singleton pointer.
685 600
686 Mar 17, 2017 G.Cosmo - fiel 601 Mar 17, 2017 G.Cosmo - field-V10-03-00
687 --------------------- 602 ---------------------
688 - Define G4FieldManagerStore as normal singlet 603 - Define G4FieldManagerStore as normal singleton and corrected destructor.
689 604
690 Oct 7, 2016 J.Apostolakis - fiel 605 Oct 7, 2016 J.Apostolakis - field-V10-02-24, 25
691 --------------------------- 606 ---------------------------
692 - Checked loops for termination for infinite l 607 - Checked loops for termination for infinite loops and annotated
693 them with "Loop checking" comment 608 them with "Loop checking" comment
694 609
695 Oct 7, 2016 D.Sorokin - fiel 610 Oct 7, 2016 D.Sorokin - field-V10-02-23
696 ----------------------- Commit: J. Apostolaki 611 ----------------------- Commit: J. Apostolakis
697 - Protection for multiple inclusion of G4Class 612 - Protection for multiple inclusion of G4ClassicalRK4
698 (thanks to Dmitrii Sorokin, GSoC 2016 stude 613 (thanks to Dmitrii Sorokin, GSoC 2016 student. )
699 614
700 Aug 16, 2016 J.Apostolakis - fiel 615 Aug 16, 2016 J.Apostolakis - field-V10-02-22
701 --------------------------- 616 ---------------------------
702 - Added initialization of fAuxStepper in const 617 - Added initialization of fAuxStepper in constructor of
703 G4DoLoMcPriRK34, G4DormandPrince745 & G4Dorm 618 G4DoLoMcPriRK34, G4DormandPrince745 & G4DormandPrinceRK56.
704 619
705 June 11, 2016 J.Apostolakis - fiel 620 June 11, 2016 J.Apostolakis - field-V10-02-21
706 --------------------------- 621 ---------------------------
707 - Restored G4ClassicalRK4 as default stepper f 622 - Restored G4ClassicalRK4 as default stepper for B-field,
708 (due to performance issues reported in bench 623 (due to performance issues reported in benchmarking.)
709 624
710 June 10, 2016 G.Cosmo - fiel 625 June 10, 2016 G.Cosmo - field-V10-02-20
711 --------------------- 626 ---------------------
712 - Fixed code indentation in G4HelixMixedSteppe 627 - Fixed code indentation in G4HelixMixedStepper;
713 fixes compilation warnings on gcc-6.1. 628 fixes compilation warnings on gcc-6.1.
714 629
715 June 1, 2016 J.Apostolakis - fiel 630 June 1, 2016 J.Apostolakis - field-V10-02-19, 18, 17
716 -------------------------- 631 --------------------------
717 - Fix in multiple steppers for the size of two 632 - Fix in multiple steppers for the size of two C-arrays which hold
718 intermediate values; they must be at least 633 intermediate values; they must be at least 8 and at least
719 'fNumberOfStateVariables' long. 634 'fNumberOfStateVariables' long.
720 Changed: G4CashKarp, 635 Changed: G4CashKarp,
721 G4BogackiShampine 23 & 34 636 G4BogackiShampine 23 & 34
722 G4DormandPrince 745, RK56 & RK78 637 G4DormandPrince 745, RK56 & RK78
723 G4DoLoMcPriRK34 638 G4DoLoMcPriRK34
724 G4FSALBogackiShampine45, G4FSALDorm 639 G4FSALBogackiShampine45, G4FSALDormandPrince745
725 - Made G4CashKarp the default stepper in G4Cho 640 - Made G4CashKarp the default stepper in G4ChordFinder.
726 - Deleted trial class G4NewChordFinder. 641 - Deleted trial class G4NewChordFinder.
727 642
728 June 1, 2016 J.Apostolakis - fiel 643 June 1, 2016 J.Apostolakis - field-V10-02-16
729 -------------------------- 644 --------------------------
730 - Deleted test code (RkTestRun) due to cmake i 645 - Deleted test code (RkTestRun) due to cmake issues
731 646
732 June 1, 2016 J.Apostolakis - fiel 647 June 1, 2016 J.Apostolakis - field-V10-02-15 (also -14)
733 -------------------------- 648 --------------------------
734 - Made G4ClassicalRK4 the default stepper agai 649 - Made G4ClassicalRK4 the default stepper again in G4ChordFinder
735 - Fixes in test code (RkTestRun) for new names 650 - Fixes in test code (RkTestRun) for new names of classes.
736 651
737 May 31, 2016 J.Apostolakis - fiel 652 May 31, 2016 J.Apostolakis - field-V10-02-13 (also -12)
738 -------------------------- 653 --------------------------
739 - New class G4NewChordFinder, that uses old G4 654 - New class G4NewChordFinder, that uses old G4MagIntegratorDriver or
740 the newer G4FSALIntegratorDriver -- first 655 the newer G4FSALIntegratorDriver -- first try, for testing FSAL.
741 Created new test testNewChordFinder.cc to ch 656 Created new test testNewChordFinder.cc to checks this.
742 657
743 - Renamed new Stepper classes to use 'G4' pref 658 - Renamed new Stepper classes to use 'G4' prefix, including
744 DormandPrince{745,RK56,RK67} TsitourasRK45 659 DormandPrince{745,RK56,RK67} TsitourasRK45 and DoLoMcPriRK34
745 660
746 - Renamed FSAL base classes to use 'G4' prefix 661 - Renamed FSAL base classes to use 'G4' prefix & 'Integrat-ion'
747 FSALMagIntegratorStepper to G4VFSALIntegr 662 FSALMagIntegratorStepper to G4VFSALIntegrationStepper
748 FSALIntegratorDriver to G4FSALIntegr 663 FSALIntegratorDriver to G4FSALIntegrationDriver
749 and the experimental FSAL versions of steppe 664 and the experimental FSAL versions of steppers,
750 FBogackiShampine45.hh to G4FSALBogackiS 665 FBogackiShampine45.hh to G4FSALBogackiShampine45.hh
751 FDormandPrince745.hh to G4FSALDormandP 666 FDormandPrince745.hh to G4FSALDormandPrince745.hh
752 ( Note: FSAL steppers remain 'behind' the impr 667 ( Note: FSAL steppers remain 'behind' the improved non-FSAL versions.)
753 668
754 - Made DormandPrince745 (DP45) the default ste 669 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
755 670
756 May 26, 2016 J.Apostolakis & Som. Banerjee - 671 May 26, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-11
757 ------------------------------------------ 672 ------------------------------------------
758 - First version of FSAL classes (as additional 673 - First version of FSAL classes (as additional classes)
759 FSAL Integrator Driver : New *concrete*, 674 FSAL Integrator Driver : New *concrete*, stand-alone driver
760 FSAL Integrator Stepper : New base class ( 675 FSAL Integrator Stepper : New base class (separate from G4MagIntegratorStepper)
761 FBogackiShampine45: FSAL-version of Bogac 676 FBogackiShampine45: FSAL-version of BogackiShampine45 stepper
762 FDormandPrince745: FSAL-version of FDorm 677 FDormandPrince745: FSAL-version of FDormandPrince745 stepper
763 Developed by Somnath Banerjee in GSoC 2015 678 Developed by Somnath Banerjee in GSoC 2015
764 679
765 Context: 680 Context:
766 * FSAL Stepper's key 'Stepper()' method for St 681 * FSAL Stepper's key 'Stepper()' method for Stepping has additional
767 argument to return the derivative at the e 682 argument to return the derivative at the end of a step.
768 If the step was successful, this estimate 683 If the step was successful, this estimate has the same order of
769 accuracy as the stepper (i.e. 5th order fo 684 accuracy as the stepper (i.e. 5th order for a 5th order stepper.)
770 685
771 - FSAL Driver method uses the revised Stepper 686 - FSAL Driver method uses the revised Stepper interface, using
772 the final (endpoint) derivative for succes 687 the final (endpoint) derivative for successful steps
773 as the start derivative for the next step, 688 as the start derivative for the next step, in case of
774 continuing of integration. 689 continuing of integration.
775 690
776 - New test (RkTestRun.cc) covering FSAL method 691 - New test (RkTestRun.cc) covering FSAL methods, integration
777 Developed by Somnath Banerjee in GSoC 2015 692 Developed by Somnath Banerjee in GSoC 2015
778 693
779 May 26, 2016 J.Apostolakis - 694 May 26, 2016 J.Apostolakis - field-V10-02-10
780 -------------------------- 695 --------------------------
781 Preparation for addition of FSAL steppers (& d 696 Preparation for addition of FSAL steppers (& driver)
782 - G4MagIntegratorStepper: Added counter for ca 697 - G4MagIntegratorStepper: Added counter for calls to equation RHS,
783 with Get/Reset methods. 698 with Get/Reset methods.
784 - Cosmetic fixes in sources.cmake (tabs to spa 699 - Cosmetic fixes in sources.cmake (tabs to spaces)
785 700
786 May 25, 2016 J.Apostolakis & Som. Banerjee - 701 May 25, 2016 J.Apostolakis & Som. Banerjee - field-V10-02-09
787 ------------------------------------------ 702 ------------------------------------------
788 - Added new stepper classes embedded RK method 703 - Added new stepper classes embedded RK method:
789 * DoLoMcPriRK34, 6-stage 3/4 RK (interp 704 * DoLoMcPriRK34, 6-stage 3/4 RK (interpolation)
790 * DormandPrinceRK56, 9-stage 5/6 RK (interp 705 * DormandPrinceRK56, 9-stage 5/6 RK (interpolation, FSAL-able) "6(5)"
791 * DormandPrinceRK78, 13-stage 7/8 RK (interp 706 * DormandPrinceRK78, 13-stage 7/8 RK (interpolation) "8(7) 13M"
792 created by Somnath Banerjee as part of GSoC 707 created by Somnath Banerjee as part of GSoC 2015.
793 708
794 May 25, 2016 J.Apostolakis - field 709 May 25, 2016 J.Apostolakis - field-V10-02-08
795 -------------------------- 710 --------------------------
796 - Revised testPropagateMagField, to reduce err 711 - Revised testPropagateMagField, to reduce error severity for over-long
797 steps. An error message is still written 712 steps. An error message is still written if move > (1.+1.0e-9) * step,
798 but test does not stop. 713 but test does not stop.
799 714
800 - G4HelixMixedStepper: Fixes & added new (5th 715 - G4HelixMixedStepper: Fixes & added new (5th order) stepper choices.
801 Included (G4)Bogacki-Shampine 23/45 , Dor 716 Included (G4)Bogacki-Shampine 23/45 , DormandPrince745,
802 and newest TsitourasRK45. 717 and newest TsitourasRK45.
803 718
804 May 24, 2016 J.Apostolakis - field 719 May 24, 2016 J.Apostolakis - field-V10-02-06, 07
805 -------------------------- 720 --------------------------
806 - Added TsitourasRK45 stepper. 721 - Added TsitourasRK45 stepper.
807 - Made Cash-Karp the default stepper (in G4Cho 722 - Made Cash-Karp the default stepper (in G4ChordFinder).
808 723
809 May 23, 2016 J.Apostolakis - field 724 May 23, 2016 J.Apostolakis - field-V10-02-05
810 -------------------------- 725 --------------------------
811 - Made DormandPrince745 (DP45) the default ste 726 - Made DormandPrince745 (DP45) the default stepper (in G4ChordFinder).
812 727
813 May 20, 2016 J.Apostolakis - field 728 May 20, 2016 J.Apostolakis - field-V10-02-04
814 ------------------------- 729 -------------------------
815 - Added steppers created by Somnath Banerjee a 730 - Added steppers created by Somnath Banerjee as part of GSoC 2015,
816 G4BogackiShampine23 (BS23 below), G4Bogack 731 G4BogackiShampine23 (BS23 below), G4BogackiShampine45 (BS45) and
817 DormandPrince745 (DP45). 732 DormandPrince745 (DP45).
818 These implement third order (BS23) and fifth 733 These implement third order (BS23) and fifth order (BS45, DP45)
819 embedded RK tableaus. 734 embedded RK tableaus.
820 - DP45 includes interpolation method, to evalu 735 - DP45 includes interpolation method, to evaluate the interpolant
821 ('y') at intermediate points of a successf 736 ('y') at intermediate points of a successful step.
822 BS45's interpolation method exists, but is n 737 BS45's interpolation method exists, but is not validated (fails).
823 738
824 References: 739 References:
825 - BS45 is embedded pair from paper by P. Bog 740 - BS45 is embedded pair from paper by P. Bogacki and L. F. Shampine:
826 “An efficient Runge-Kutta (4,5) pair, 741 “An efficient Runge-Kutta (4,5) pair,”
827 Comput. Math. with Appl., vol. 32, no. 6 742 Comput. Math. with Appl., vol. 32, no. 6, pp. 15–28, Sep. 1996.
828 - BS23 is four stage RK method from the pape 743 - 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 744 “A 3(2) pair of Runge - Kutta formulas,”
830 Appl. Math. Lett., vol 2, no 4, p.321 (1 745 Appl. Math. Lett., vol 2, no 4, p.321 (1989).
831 - DP45 are from Table 2 of J. R. Dormand an 746 - DP45 are from Table 2 of J. R. Dormand and P. J. Prince's
832 “A family of embedded Runge-Kutta form 747 “A family of embedded Runge-Kutta formulae,”
833 Journal of comput. and applied Math., vo 748 Journal of comput. and applied Math., vol. 6, no. 1, pp. 19–26, 1980.
834 749
835 May 4, 2016 G.Cosmo - field- 750 May 4, 2016 G.Cosmo - field-V10-02-03
836 ------------------- 751 -------------------
837 - Fixed Clone() signatures in derived Field cl 752 - Fixed Clone() signatures in derived Field classes.
838 More corrections on implementations of opera 753 More corrections on implementations of operator=() and copy-ctors.
839 754
840 Apr 29, 2016 G.Cosmo - field- 755 Apr 29, 2016 G.Cosmo - field-V10-02-02
841 -------------------- 756 --------------------
842 - Corrected implementation of operator=() and 757 - Corrected implementation of operator=() and copy-ctor for G4Field,
843 G4ElectroMagneticField, G4ElectricField and 758 G4ElectroMagneticField, G4ElectricField and G4CachedMagneticField.
844 759
845 Feb 25, 2016 P.Gumplinger - field- 760 Feb 25, 2016 P.Gumplinger - field-V10-02-01
846 ------------------------- 761 -------------------------
847 - address Problem Report: 1831 762 - address Problem Report: 1831
848 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin 763 change: G4Mag_SpinEqRhs, G4EqEMFieldWithSpin, G4EqEMFieldWithEDM and
849 G4RepleteEofM.cc from g_BMT = (magMo 764 G4RepleteEofM.cc from g_BMT = (magMoment/muB)/spin
850 to g_BMT = (std:: 765 to g_BMT = (std::abs(magMoment)/muB)/spin
851 766
852 767
853 Dec 11, 2015 A.Dotti - field-V10-02-0 768 Dec 11, 2015 A.Dotti - field-V10-02-00
854 -------------------------- 769 --------------------------
855 Fixing typo in tests/CMakeList.txt file: subdi 770 Fixing typo in tests/CMakeList.txt file: subdirecotry()
856 instead of add_subdirectory() 771 instead of add_subdirectory()
857 772
858 Nov 2, 2015 J.Apostolakis - field 773 Nov 2, 2015 J.Apostolakis - field-V10-01-15 (fixed)
859 Oct 22, 2015 J.Apostolakis - field 774 Oct 22, 2015 J.Apostolakis - field-V10-01-14
860 -------------------------- 775 --------------------------
861 - Reverted changes in G4FieldManager from tag 776 - Reverted changes in G4FieldManager from tags field-V10-01-05 to -07
862 inadvertently reintroduced in tag field-V10 777 inadvertently reintroduced in tag field-V10-01-13
863 (fixed in tag -15: committed new copy from 778 (fixed in tag -15: committed new copy from tag -04 'on top')
864 779
865 - Added explanation comment in G4MagHelicalSte 780 - Added explanation comment in G4MagHelicalSteper.
866 781
867 Oct 13, 2015 J.Apostolakis - field 782 Oct 13, 2015 J.Apostolakis - field-V10-01-13
868 -------------------------- 783 --------------------------
869 - G4ChordFinder::FindNextChord: Added check ag 784 - G4ChordFinder::FindNextChord: Added check against number of iterations,
870 to identify potential issue of lack of conve 785 to identify potential issue of lack of convergence.
871 - test: fixed testProElectricMagField.cc 786 - test: fixed testProElectricMagField.cc
872 787
873 - Note: tag-13 inadvertently reintroduced chan 788 - Note: tag-13 inadvertently reintroduced changes from tags field-V10-01-05 to -07
874 789
875 Jun 26, 2015 P.Gumplinger - field 790 Jun 26, 2015 P.Gumplinger - field-V10-01-12, 11
876 ------------------------- 791 -------------------------
877 - Include 'NumberOfVariables' in G4RepleteEofM 792 - Include 'NumberOfVariables' in G4RepleteEofM constructor argument list.
878 793
879 Jun 22, 2015 G.Cosmo - field 794 Jun 22, 2015 G.Cosmo - field-V10-01-10
880 -------------------- 795 --------------------
881 - Withdrawn also changes introduced in tag "fi 796 - Withdrawn also changes introduced in tag "field-V10-01-08", as
882 responsible for memory violation errors in V 797 responsible for memory violation errors in Valgrind.
883 Now corresponding to tag "field-V10-01-04". 798 Now corresponding to tag "field-V10-01-04".
884 799
885 Jun 18, 2015 G.Cosmo - field 800 Jun 18, 2015 G.Cosmo - field-V10-01-09
886 -------------------- 801 --------------------
887 - Withdrawn changes introduced from tag "field 802 - Withdrawn changes introduced from tag "field-V10-01-05" to tag
888 "field-V10-01-07" included, responsible for 803 "field-V10-01-07" included, responsible for failures on SLC6 and
889 run-time errors on Valgrind checks. 804 run-time errors on Valgrind checks.
890 805
891 Jun 10, 2015 P.Gumplinger - field 806 Jun 10, 2015 P.Gumplinger - field-V10-01-08
892 ------------------------- 807 -------------------------
893 - initialize all elements of dydx[] in G4Reple 808 - initialize all elements of dydx[] in G4RepleteEofM::EvaluateRhsGivenB
894 Thanks to Tatsuya Kikawa (Osaka Univ.) 809 Thanks to Tatsuya Kikawa (Osaka Univ.)
895 810
896 Jun 10, 2015 J.Apostolakis - field 811 Jun 10, 2015 J.Apostolakis - field-V10-01-07
897 -------------------------- 812 --------------------------
898 - G4FieldManager.cc : Made behaviour of SetDet 813 - G4FieldManager.cc : Made behaviour of SetDetector 'softer'. No
899 longer complains by default if ChordFinder 814 longer complains by default if ChordFinder is not (yet) set.
900 ( The default values of failMode = 0 i.e. 815 ( The default values of failMode = 0 i.e. quiet. )
901 If a chord-finder exists, it will still war 816 If a chord-finder exists, it will still warn for other errors.
902 817
903 It is still possible to have louder/extra c 818 It is still possible to have louder/extra checks done calling
904 SetDetectorField with failMode > 0 819 SetDetectorField with failMode > 0
905 or by using a new method, which expects an 820 or by using a new method, which expects an existing field:
906 ChangeDetectorField(G4Field *detectorFiel 821 ChangeDetectorField(G4Field *detectorField)
907 822
908 Jun 8, 2015 J.Apostolakis - field 823 Jun 8, 2015 J.Apostolakis - field-V10-01-05, (-06 fixed)
909 -------------------------- 824 --------------------------
910 - G4FieldManager.cc : Revised behaviour of Set 825 - G4FieldManager.cc : Revised behaviour of SetDetector - it now
911 passes the Field to the Equation, as is the 826 passes the Field to the Equation, as is the natural user expectation
912 The previous behaviour is possible, using e 827 The previous behaviour is possible, using extra argument 'failMode'
913 flag. Values: 0 = silent ; 828 flag. Values: 0 = silent ;
914 1 (default) = warning; 829 1 (default) = warning;
915 2 or other = fatal except 830 2 or other = fatal exception.
916 Or can use alternative (new) suggestion met 831 Or can use alternative (new) suggestion method ProposeDetectorField();
917 832
918 This change is to ensure that user expectat 833 This change is to ensure that user expectation is met:
919 if the field is changed for an existing, 834 if the field is changed for an existing, working stepper it must
920 be propagated to the equation of motion. 835 be propagated to the equation of motion.
921 Note: this causes potential conflict betwee 836 Note: this causes potential conflict between the type of the equation
922 and the field, which will need to be 837 and the field, which will need to be solved in the future.
923 838
924 Old behaviour (just set our own pointer) is 839 Old behaviour (just set our own pointer) is still available in new method:
925 ProposeDetectorField(G4Field *detectorFie 840 ProposeDetectorField(G4Field *detectorField)
926 841
927 Co-works and requires new tag in geometry/n 842 Co-works and requires new tag in geometry/navigation: geomnav-V10-01-24.
928 843
929 Jun 4, 2015 P. Gumplinger - field 844 Jun 4, 2015 P. Gumplinger - field-V10-01-04
930 ------------------------- 845 -------------------------
931 - change assignment to field instead of Field 846 - change assignment to field instead of Field array in G4RepleteEofM.cc
932 847
933 Jan 28, 2015 J.Apostolakis - field 848 Jan 28, 2015 J.Apostolakis - field-V10-01-01 (-02,03 fixed)
934 -------------------------- 849 -------------------------- ( History )
935 - Revert unintended inclusion of changes in G4 850 - Revert unintended inclusion of changes in G4MagIntegratorDriver
936 851
937 Jan 15, 2015 J.Apostolakis - field 852 Jan 15, 2015 J.Apostolakis - field-V10-01-00
938 -------------------------- 853 --------------------------
939 - Small refinements in G4FieldTrack - access r 854 - Small refinements in G4FieldTrack - access rest mass, avoid div by 0
940 Avoid division by zero for Unit direction 855 Avoid division by zero for Unit direction in FieldTrack
941 Added method to get Rest Mass. 856 Added method to get Rest Mass.
942 Needed for fixes related to Problem report 1 857 Needed for fixes related to Problem report 1696.
943 Thanks to Nathan S. Froemming <nfroemm@uw.ed 858 Thanks to Nathan S. Froemming <nfroemm@uw.edu> who reported the issue
944 and created dedicated test to demonstrate i 859 and created dedicated test to demonstrate it.
945 860
946 Nov 03, 2014 G.Cosmo - field 861 Nov 03, 2014 G.Cosmo - field-V10-00-04
947 -------------------- 862 --------------------
948 - Moved constructors and simple methods to in 863 - Moved constructors and simple methods to in line in G4ChargeState and
949 G4LineSection for CPU speedup (courtesy of S 864 G4LineSection for CPU speedup (courtesy of S.Wenzel).
950 865
951 May 21, 2014 J.Apostolakis - field 866 May 21, 2014 J.Apostolakis - field-V10-00-03
952 -------------------------- 867 --------------------------
953 - G4FieldTrack: 868 - G4FieldTrack:
954 * Fixed SetChargeAndMoments() to use the new 869 * Fixed SetChargeAndMoments() to use the new method
955 G4ChargeState::SetChargesAndMoments(); it 870 G4ChargeState::SetChargesAndMoments(); it was changing spin, because of
956 erroneous change in G4ChargeState::SetChar 871 erroneous change in G4ChargeState::SetChargesAndMoments(), that method
957 is now renamed SetChargeSpinMoments() to s 872 is now renamed SetChargeSpinMoments() to show what it does;
958 * Added pdg-spin as argument to constructors 873 * Added pdg-spin as argument to constructors (needed to track polarization);
959 * Renamed 'spin' to 'Polarization' in method 874 * Renamed 'spin' to 'Polarization' in method, arguments, data member to
960 avoid confusion; 875 avoid confusion;
961 * Revised constructors to add pdg-spin as la 876 * Revised constructors to add pdg-spin as last argument (with default -1).
962 - G4ChargeState: 877 - G4ChargeState:
963 - Addressed Coverity issue #56281 'Arguments 878 - Addressed Coverity issue #56281 'Arguments in wrong order'
964 G4ChargeState::SetChargeMoments() when use 879 G4ChargeState::SetChargeMoments() when used in
965 G4FieldTrack::SetChargeMoments() from addi 880 G4FieldTrack::SetChargeMoments() from addition of spin to arguments,
966 without revising name of method to reflect 881 without revising name of method to reflect it;
967 - Changed order of arguments in constructor, 882 - Changed order of arguments in constructor, making spin 3rd argument
968 (was 2nd) and making all arguments mandato 883 (was 2nd) and making all arguments mandatory;
969 - Renamed SetChargeAndMoments() method with 884 - Renamed SetChargeAndMoments() method with 5 arguments including spin (2nd)
970 to SetChargeSpinMoments(); 885 to SetChargeSpinMoments();
971 - Added new methods including SetChargesAndM 886 - Added new methods including SetChargesAndMoments(), SetChargeMdm(),
972 SetChargeDipoleMoments() (no spin), and al 887 SetChargeDipoleMoments() (no spin), and also SetChargeSpin(),
973 SetChargeMdmSpin() (which includes spin) t 888 SetChargeMdmSpin() (which includes spin) to provide most/all potential
974 combinations. 889 combinations.
975 - G4MagIntegratorDriver::OneGoodStep(): 890 - G4MagIntegratorDriver::OneGoodStep():
976 * Trial changes to address Valgrind issue, a 891 * Trial changes to address Valgrind issue, about value used before being set.
977 892
978 Apr 01, 2014 J.Apostolakis - fi 893 Apr 01, 2014 J.Apostolakis - field-V10-00-02
979 -------------------------- 894 --------------------------
980 - Moved G4FieldTrack::LoadFromArray() to .cc a 895 - Moved G4FieldTrack::LoadFromArray() to .cc and removed non-necessary
981 thread-local static data local to the functi 896 thread-local static data local to the function.
982 897
983 Mar 14, 2014 J.Apostolakis - fi 898 Mar 14, 2014 J.Apostolakis - field-V10-00-01
984 -------------------------- 899 --------------------------
985 - Fix assignment operator for G4FieldTrack. (C 900 - Fix assignment operator for G4FieldTrack. (Copied Rest Mass)
986 - Improve printing of G4FieldTrack 901 - Improve printing of G4FieldTrack
987 902
988 Jan 17, 2014 P.Gumplinger - fi 903 Jan 17, 2014 P.Gumplinger - field-V10-00-00
989 ------------------------- 904 -------------------------
990 - add G4Mag_EqRhs::SetChargeMomentumMass( part 905 - add G4Mag_EqRhs::SetChargeMomentumMass( particleCharge, MomentumXc, mass)
991 to G4Mag_SpinEqRhs::SetChargeMomentumMass, s 906 to G4Mag_SpinEqRhs::SetChargeMomentumMass, see bug reported at:
992 http://hypernews.slac.stanford.edu/HyperNews 907 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/210.html
993 908
994 Nov 18, 2013 P.Gumplinger - fi 909 Nov 18, 2013 P.Gumplinger - field-V09-06-13/12
995 ------------------------- 910 -------------------------
996 - fix Coverity warning in G4RepleteEofM 911 - fix Coverity warning in G4RepleteEofM
997 912
998 Nov 17, 2013 J.Apostolakis 913 Nov 17, 2013 J.Apostolakis
999 -------------------------- 914 --------------------------
1000 - Fixed and improved HelixMixed Stepper: 915 - Fixed and improved HelixMixed Stepper:
1001 Corrected the default stepper for small s 916 Corrected the default stepper for small steps to be ClassicalRK4.
1002 Added Angle-threshold parameter. (Default 917 Added Angle-threshold parameter. (Default remains 0.33 radians.)
1003 Added more Steppers, including G4NystromR 918 Added more Steppers, including G4NystromRK4.
1004 Revised Id numbers of Steppers, to make t 919 Revised Id numbers of Steppers, to make the best more visible.
1005 More comments in Stepper(). 920 More comments in Stepper().
1006 921
1007 Nov 05, 2013 P.Gumplinger - f 922 Nov 05, 2013 P.Gumplinger - field-V09-06-11
1008 ------------------------- 923 -------------------------
1009 - remove writing out-of-bounds dydx[8] = 0. i 924 - remove writing out-of-bounds dydx[8] = 0. in G4RepleteEofM.cc
1010 925
1011 Nov 04, 2013 P.Gumplinger - f 926 Nov 04, 2013 P.Gumplinger - field-V09-06-10
1012 ------------------------- 927 -------------------------
1013 - add G4RepleteEofM to sources.cmake 928 - add G4RepleteEofM to sources.cmake
1014 f 929 field-V09-06-09 - same as
1015 Nov 01st, 2013 P.Gumplinger - f 930 Nov 01st, 2013 P.Gumplinger - field-V09-06-08
1016 --------------------------- 931 ---------------------------
1017 - add G4RepleteEofM: EofM that includes force 932 - add G4RepleteEofM: EofM that includes force due to B, E, and gravity field
1018 as well as mu*grad(B) and spin tracking. 933 as well as mu*grad(B) and spin tracking.
1019 934
1020 May 10th, 2013 P.Gumplinger/J.Apostolakis - f 935 May 10th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-07
1021 ----------------------------------------- 936 -----------------------------------------
1022 - Revised number of field components (to allo 937 - Revised number of field components (to allow up to 24).
1023 18 are required for new applications (B, E 938 18 are required for new applications (B, E, Gravity, B-gradients)
1024 - Fixes for initialisation errors found by Co 939 - Fixes for initialisation errors found by Coverity.
1025 940
1026 May 10th, 2013 P.Gumplinger - field-V09-06-06 941 May 10th, 2013 P.Gumplinger - field-V09-06-06
1027 --------------------------- 942 ---------------------------
1028 - prevent divided by zero and shortcut spin t 943 - prevent divided by zero and shortcut spin tracking for spin == 0
1029 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldW 944 particles: G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc and
1030 G4EqEMFieldWithEDM.cc 945 G4EqEMFieldWithEDM.cc
1031 f 946 field-V09-06-05 - same
1032 May 8th, 2013 P.Gumplinger/J.Apostolakis - f 947 May 8th, 2013 P.Gumplinger/J.Apostolakis - field-V09-06-04
1033 ----------------------------------------- 948 -----------------------------------------
1034 - Introduced new class G4ChargeState to hold 949 - Introduced new class G4ChargeState to hold charge, spin, magnetic moment
1035 (promoted from internal class of G4Field 950 (promoted from internal class of G4FieldTrack).
1036 - Changed the signature of EquationOfMotion:: 951 - Changed the signature of EquationOfMotion::SetChargeMomentumMass to
1037 take G4ChargeState in place of G4double (cha 952 take G4ChargeState in place of G4double (charge) as first argument.
1038 - Deleted SetChargeMomentumMass from G4ChordF 953 - Deleted SetChargeMomentumMass from G4ChordFinder, G4PropagatorInField,
1039 G4MagInt_Driver 954 G4MagInt_Driver
1040 955
1041 - Migrated testPropagateMagField and testProp 956 - Migrated testPropagateMagField and testPropagateSpin.
1042 957
1043 March 19th, 2013 G.Cosmo - field-V09-06-03, f 958 March 19th, 2013 G.Cosmo - field-V09-06-03, field-V09-06-02
1044 ------------------------- 959 -------------------------
1045 - Cleanup of MT changes in G4FieldManagerStor 960 - Cleanup of MT changes in G4FieldManagerStore.
1046 961
1047 February 26th, 2013 A.Dotti - field-V09-06-01 962 February 26th, 2013 A.Dotti - field-V09-06-01
1048 --------------------------- 963 ---------------------------
1049 - First implementation of Cloning mechanism ( 964 - First implementation of Cloning mechanism (needed for MT)
1050 965
1051 February 22nd, 2013 G.Cosmo - field-V09-06-00 966 February 22nd, 2013 G.Cosmo - field-V09-06-00
1052 --------------------------- 967 ---------------------------
1053 - Cleanup of unnecessary changes for multi-th 968 - Cleanup of unnecessary changes for multi-threading in G4QuadrupoleMagField.
1054 - Removed unused private data-members in G4Ma 969 - Removed unused private data-members in G4Mag_UsualEqRhs and G4RKG3_Stepper.
1055 970
1056 November 14th, 2012 P.Mato - field-V09-05-07 971 November 14th, 2012 P.Mato - field-V09-05-07
1057 -------------------------- 972 --------------------------
1058 - G4QuadrupoleMagField: allow displaced origi 973 - G4QuadrupoleMagField: allow displaced origin and rotation (Björn Riese)
1059 - Added G4SystemOfUnits.hh in unit tests 974 - Added G4SystemOfUnits.hh in unit tests
1060 975
1061 August 30th, 2012 P.Mato - field-V09-05-06 976 August 30th, 2012 P.Mato - field-V09-05-06
1062 ------------------------ 977 ------------------------
1063 - Adapted CMakeLists.txt files to new unit te 978 - Adapted CMakeLists.txt files to new unit tests
1064 979
1065 June 11th, 2012 G.Cosmo - field-V09-05-05 980 June 11th, 2012 G.Cosmo - field-V09-05-05
1066 ----------------------- 981 -----------------------
1067 - Explicitly use inclusion of headers for sys 982 - Explicitly use inclusion of headers for system of units and physical
1068 constants, in plan to remove implicit inclu 983 constants, in plan to remove implicit inclusion from globals.hh.
1069 984
1070 May 14th, 2012 G.Cosmo - field-V09-05-04 985 May 14th, 2012 G.Cosmo - field-V09-05-04
1071 ---------------------- 986 ----------------------
1072 - Fixed spurious case of hidden variable visi 987 - Fixed spurious case of hidden variable visibility in G4NystromRK4,
1073 detected with '-Wshadow' compilation option 988 detected with '-Wshadow' compilation option on gcc compiler.
1074 989
1075 February 3rd, 2012 J.Apostolakis - field-V09 990 February 3rd, 2012 J.Apostolakis - field-V09-05-03
1076 --------------------------------- 991 ---------------------------------
1077 - G4FieldTrack: 992 - G4FieldTrack:
1078 Added new (inline) method to set the Rest 993 Added new (inline) method to set the Rest Mass. Needed in order to
1079 reset this - and keep reuse the same G 994 reset this - and keep reuse the same G4FieldTrack in a client
1080 (across tracks.) 995 (across tracks.)
1081 Made SetCurvePnt() method private. 996 Made SetCurvePnt() method private.
1082 Simplified implementation of constructors 997 Simplified implementation of constructors. Gain of 1 square root and
1083 1 division per call. 998 1 division per call.
1084 999
1085 February 3rd, 2012 G.Cosmo - field-V09-05-0 1000 February 3rd, 2012 G.Cosmo - field-V09-05-02
1086 ---------------------------- 1001 ----------------------------
1087 - Removed tests in CMakeLists.txt causing cat 1002 - Removed tests in CMakeLists.txt causing catastrophic failure in system
1088 testing! 1003 testing!
1089 1004
1090 February 2nd, 2012 J.Apostolakis - field-V0 1005 February 2nd, 2012 J.Apostolakis - field-V09-05-01
1091 ---------------------------------- 1006 ----------------------------------
1092 - G4Mag_UsualEqRhs: in SetChargeMomentumMass( 1007 - G4Mag_UsualEqRhs: in SetChargeMomentumMass() method, fixed problem with
1093 division by zero; stopped updating 'fInvCur 1008 division by zero; stopped updating 'fInvCurrentMomentumXc' (data member
1094 is obsolete). 1009 is obsolete).
1095 - Added tests in CMakeLists.txt 1010 - Added tests in CMakeLists.txt
1096 1011
1097 December 13th, 2011 G.Cosmo - field-V09-05-0 1012 December 13th, 2011 G.Cosmo - field-V09-05-00
1098 ---------------------------- 1013 ----------------------------
1099 - Fixed Coverity defects in G4SimpleRunge (re 1014 - Fixed Coverity defects in G4SimpleRunge (removed spurious pointer
1100 data member) and G4FieldTrack (missing G4Ch 1015 data member) and G4FieldTrack (missing G4ChargeState::operator=()).
1101 - Synchronised unit tests to trunk (new test 1016 - Synchronised unit tests to trunk (new test field07 and minor updates).
1102 1017
1103 November 11th, 2011 J.Apostolakis - field-V0 1018 November 11th, 2011 J.Apostolakis - field-V09-04-06
1104 ---------------------------------- 1019 ----------------------------------
1105 - Added G4Field.cc to list of files in source 1020 - Added G4Field.cc to list of files in sources.cmake
1106 1021
1107 November 4th, 2011 J.Apostolakis - field-V0 1022 November 4th, 2011 J.Apostolakis - field-V09-04-05
1108 ---------------------------------- 1023 ----------------------------------
1109 - G4Field: revised to improve ability to dete 1024 - G4Field: revised to improve ability to detect gravity field:
1110 Added new data member to identify gravity f 1025 Added new data member to identify gravity field;
1111 Added new method IsGravityActive() to acces 1026 Added new method IsGravityActive() to access this data member;
1112 Created new source file: moving constructor 1027 Created new source file: moving constructors to it.
1113 - Changed G4UniformGravityField and G4Electro 1028 - Changed G4UniformGravityField and G4ElectroMagneticField
1114 to accomodate this refinement. 1029 to accomodate this refinement.
1115 1030
1116 November 2nd, 2011 P.Gumplinger - field-V09- 1031 November 2nd, 2011 P.Gumplinger - field-V09-04-04
1117 -------------------------------- 1032 --------------------------------
1118 - update list of files in sources.cmake 1033 - update list of files in sources.cmake
1119 1034
1120 October 28th, 2011 P.Gumplinger - field-V09- 1035 October 28th, 2011 P.Gumplinger - field-V09-04-03
1121 -------------------------------- 1036 --------------------------------
1122 - Added (uniform) gravity field capability. 1037 - Added (uniform) gravity field capability.
1123 New classes G4EqGravityField, G4UniformGrav 1038 New classes G4EqGravityField, G4UniformGravityField.
1124 1039
1125 *Required* for co-working tag in Transporta 1040 *Required* for co-working tag in Transportation
1126 1041
1127 October 12th, 2011 P.Gumplinger - field-V09- 1042 October 12th, 2011 P.Gumplinger - field-V09-04-02
1128 -------------------------------- 1043 --------------------------------
1129 - replaced: omegac = 0.105658387*GeV/mass * 2 1044 - replaced: omegac = 0.105658387*GeV/mass * 2.837374841e-3*(rad/cm/kilogauss)
1130 with: omegac = (eplus/particleMass)*c_l 1045 with: omegac = (eplus/particleMass)*c_light
1131 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.c 1046 in G4EqEMFieldWithEDM.cc, G4Mag_SpinEqRhs.cc, G4EqEMFieldWithSpin.cc
1132 changed calculation: 1047 changed calculation:
1133 std::sqrt(kineticEnergy*kineticEnergy + 1048 std::sqrt(kineticEnergy*kineticEnergy + 2.0*restMass_c2*kineticEnergy);
1134 to: 1049 to:
1135 std::sqrt(kineticEnergy*(kineticEnergy+2 1050 std::sqrt(kineticEnergy*(kineticEnergy+2.0*restMass_c2))
1136 in G4FieldTrack.cc 1051 in G4FieldTrack.cc
1137 1052
1138 August 11th, 2011 G.Cosmo - field-V09-04-01 1053 August 11th, 2011 G.Cosmo - field-V09-04-01
1139 -------------------------- 1054 --------------------------
1140 - Migrated to new G4Exception scheme for warn 1055 - Migrated to new G4Exception scheme for warnings and errors.
1141 - Defined scheme for warnings/errors coding: 1056 - Defined scheme for warnings/errors coding:
1142 + 1xxx for warnings, 0xxx for errors. 1057 + 1xxx for warnings, 0xxx for errors.
1143 Code numbering: 1058 Code numbering:
1144 + 0001: not supported or implemented featur 1059 + 0001: not supported or implemented features;
1145 + 0002: invalid setup/construct; 1060 + 0002: invalid setup/construct;
1146 + 0003: invalid run condition; 1061 + 0003: invalid run condition;
1147 + 1001: incorrect setup; automatically adap 1062 + 1001: incorrect setup; automatically adapted.
1148 + 1002: notification. 1063 + 1002: notification.
1149 1064
1150 May 13th, 2011 J.Apostolakis 1065 May 13th, 2011 J.Apostolakis
1151 ---------------------------- 1066 ----------------------------
1152 - Added new class G4TrialsCounter for keeping 1067 - Added new class G4TrialsCounter for keeping statistics of trials.
1153 - Avoid printing out pointer in G4CachedMagne 1068 - Avoid printing out pointer in G4CachedMagneticField::ReportStatistics().
1154 - Updated unit tests. 1069 - Updated unit tests.
1155 1070
1156 May 12th, 2011 G.Cosmo - field-V09-04-00 1071 May 12th, 2011 G.Cosmo - field-V09-04-00
1157 ----------------------- 1072 -----------------------
1158 - Fixed compilation warnings from gcc-4.6.0 f 1073 - Fixed compilation warnings from gcc-4.6.0 for variables set but not used.
1159 1074
1160 May 5th, 2011 J.Apostolakis 1075 May 5th, 2011 J.Apostolakis
1161 ---------------------------- 1076 ----------------------------
1162 - Reordered data members to group invariants, 1077 - Reordered data members to group invariants, field parameters, etc...
1163 1078
1164 Sep 10th, 2010 J.Apostolakis - field-V09-03- 1079 Sep 10th, 2010 J.Apostolakis - field-V09-03-03
1165 ----------------------------- 1080 -----------------------------
1166 - Revised constructor of G4MagErrorStepper to 1081 - Revised constructor of G4MagErrorStepper to add number of State variables
1167 - Corrected MagErrorStepper to copy State Var 1082 - Corrected MagErrorStepper to copy State Variable to output
1168 - Enable G4ConstRK4 to copy remaining State V 1083 - Enable G4ConstRK4 to copy remaining State Variables (must integrate 6)
1169 1084
1170 Sep 10th, 2010 J.Apostolakis - field-V09-03- 1085 Sep 10th, 2010 J.Apostolakis - field-V09-03-02
1171 ----------------------------- 1086 -----------------------------
1172 - New class G4MonopoleEq for rhs of d(pc)/ds 1087 - New class G4MonopoleEq for rhs of d(pc)/ds propagation in field
1173 in SI units (V.Grichine). 1088 in SI units (V.Grichine).
1174 - Fixed passing of time in G4NystromRK4 1089 - Fixed passing of time in G4NystromRK4
1175 1090
1176 Jul 21st, 2010 T.Nikitina - field-V09-03-01 1091 Jul 21st, 2010 T.Nikitina - field-V09-03-01
1177 -------------------------- 1092 --------------------------
1178 - Fixed cases of memory corruption in G4RKG3_ 1093 - Fixed cases of memory corruption in G4RKG3_Stepper.
1179 - Fixed case of unused array data member in G 1094 - Fixed case of unused array data member in G4ExactHelixStepper.
1180 - Removed useless code never executed in G4Co 1095 - Removed useless code never executed in G4ConstRK4::Stepper().
1181 - Fixed initialization in G4NystromRK4 constr 1096 - Fixed initialization in G4NystromRK4 constructor.
1182 1097
1183 Jul 14th, 2010 G.Cosmo - field-V09-03-00 1098 Jul 14th, 2010 G.Cosmo - field-V09-03-00
1184 ----------------------- 1099 -----------------------
1185 - Added dummy initialization of members in co 1100 - Added dummy initialization of members in constructors for G4CashKarpRKF45,
1186 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMField 1101 G4ConstRK4, G4EqEMFieldWithEDM, G4EqEMFieldWithSpin, G4ExactHelixStepper,
1187 G4FieldTrack, G4MagHelicalStepper, G4MagInt 1102 G4FieldTrack, G4MagHelicalStepper, G4MagInt_Driver, G4Mag_EqRhs,
1188 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4Nystro 1103 G4Mag_SpinEqRhs, G4Mag_UsualEqRhs, G4NystromRK4, G4RKG3_Stepper,
1189 G4UniformElectricField, G4UniformElectricFi 1104 G4UniformElectricField, G4UniformElectricField.
1190 1105
1191 Nov 12th, 2009 J.Apostolakis - field-V09-02- 1106 Nov 12th, 2009 J.Apostolakis - field-V09-02-09
1192 ----------------------------- 1107 -----------------------------
1193 - G4MagIntegratorDriver: activate check on i 1108 - G4MagIntegratorDriver: activate check on integration error for spin.
1194 1109
1195 Nov 12th, 2009 J.Apostolakis - field-V09-02- 1110 Nov 12th, 2009 J.Apostolakis - field-V09-02-08
1196 ----------------------------- (fix only) 1111 ----------------------------- (fix only)
1197 - G4Nystrom: Corrected interface method getF 1112 - G4Nystrom: Corrected interface method getField: array now has explicit dimension[4]
1198 (Problem found by gcc 4.3 - i 1113 (Problem found by gcc 4.3 - it checked indices used in inline method! )
1199 1114
1200 Nov 6th, 2009 P.Gumplinger - field-V09-02-07 1115 Nov 6th, 2009 P.Gumplinger - field-V09-02-07
1201 --------------------------- 1116 ---------------------------
1202 - bug fix in G4EqEMFieldWithSpin and G4EqEMFi 1117 - bug fix in G4EqEMFieldWithSpin and G4EqEMFieldWithEDM
1203 thanks to Hiromi Iinuma (KEK) see: 1118 thanks to Hiromi Iinuma (KEK) see:
1204 http://hypernews.slac.stanford.edu/HyperNew 1119 http://hypernews.slac.stanford.edu/HyperNews/geant4/get/emfields/161.html
1205 1120
1206 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1121 Nov 5th, 2009 J.Apostolakis - field-V09-02-06
1207 ---------------------------- 1122 ----------------------------
1208 - G4MagIntegratorDriver.cc : Enabled call to 1123 - G4MagIntegratorDriver.cc : Enabled call to ComputeRightHandSide
1209 - G4NystromRK4.cc : Disabled auxilia 1124 - G4NystromRK4.cc : Disabled auxiliary code in Stepper (needed if
1210 ComputeRightHan 1125 ComputeRightHandSide is not called.)
1211 1126
1212 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1127 Nov 5th, 2009 J.Apostolakis - field-V09-02-05
1213 ---------------------------- 1128 ----------------------------
1214 - Added new virtual method CalculateRightHand 1129 - Added new virtual method CalculateRightHandSide to G4MagIntegratorStepper for use
1215 in caching momentum (and field value) b 1130 in caching momentum (and field value) by G4NystromRK4
1216 Default implementation in G4MagIntegrat 1131 Default implementation in G4MagIntegratorStepper calls RightHandSide inline method.
1217 - G4Nystrom: New Set/Get method for cache di 1132 - G4Nystrom: New Set/Get method for cache distance.
1218 Changed private data members in 1133 Changed private data members in G4NystromRK4.
1219 - G4MagIntegratorDriver: alternative call to 1134 - G4MagIntegratorDriver: alternative call to ComputeRightHandSide is not used (in comment)
1220 As a result G4NystromRK4 operat 1135 As a result G4NystromRK4 operates without reusing
1221 1136
1222 Nov 5th, 2009 J.Apostolakis - field-V09-02-0 1137 Nov 5th, 2009 J.Apostolakis - field-V09-02-04
1223 ---------------------------- 1138 ----------------------------
1224 - G4CachedMagneticField: New Simple class to 1139 - G4CachedMagneticField: New Simple class to cache value of Magnetic Field.
1225 Speeds up code when calculation of field 1140 Speeds up code when calculation of field value is complex.
1226 - G4NystromRK4 : New Stepper with Nys 1141 - G4NystromRK4 : New Stepper with Nystrom for magnetic field
1227 with analytic estimation of integration 1142 with analytic estimation of integration error.
1228 Greatly reduces number of field value pe 1143 Greatly reduces number of field value per step.
1229 - Revised testPropagateMagField to use Cached 1144 - Revised testPropagateMagField to use Cached Quadrupole field,
1230 and to cover G4NystromRK4 and G4ConstRK4 1145 and to cover G4NystromRK4 and G4ConstRK4.
1231 1146
1232 Nov 4th, 2009 P.Gumplinger - field-V09-02-03 1147 Nov 4th, 2009 P.Gumplinger - field-V09-02-03
1233 --------------------------- 1148 ---------------------------
1234 - (minor change) remove comment from G4EqEMFi 1149 - (minor change) remove comment from G4EqEMFieldWithSpin.cc
1235 add G4EqEMFieldWithEDM class: this is the R 1150 add G4EqEMFieldWithEDM class: this is the RHS of EofM in a combined
1236 electric and magnetic field, with spin trac 1151 electric and magnetic field, with spin tracking for both MDM and EDM terms.
1237 Thanks to Kevin Lynch, Phys. Dept. at Bosto 1152 Thanks to Kevin Lynch, Phys. Dept. at Boston University.
1238 1153
1239 May 18th, 2009 T.Nikitina - field-V09-02-02 1154 May 18th, 2009 T.Nikitina - field-V09-02-02
1240 ------------------------- 1155 -------------------------
1241 - Enhanced algorithm G4ChordFinder::ApproxCur 1156 - Enhanced algorithm G4ChordFinder::ApproxCurvePointS() in order to speedup
1242 BrentLocator. 1157 BrentLocator.
1243 1158
1244 March 25th, 2009 G.Cosmo - field-V09-02-01 1159 March 25th, 2009 G.Cosmo - field-V09-02-01
1245 ------------------------ 1160 ------------------------
1246 - Some code cleanup and formatting... 1161 - Some code cleanup and formatting...
1247 1162
1248 March 6th, 2009 P.Gumplinger - field-V09-02-0 1163 March 6th, 2009 P.Gumplinger - field-V09-02-00
1249 ---------------------------- 1164 ----------------------------
1250 - Added 3rd term of BMT equation (Spin x Beta 1165 - Added 3rd term of BMT equation (Spin x Beta x Efield) to G4EqEMFieldWithSpin,
1251 addresses emfields forum posting #155 (bug 1166 addresses emfields forum posting #155 (bug report). Thanks to Kevin Lynch,
1252 Phys. Dept. at Boston University. 1167 Phys. Dept. at Boston University.
1253 - Moved renormalization of spin from G4EqEMFi 1168 - Moved renormalization of spin from G4EqEMFieldWithSpin and G4Mag_SpinEqRhs to
1254 G4ClassicalRK4 and G4SimpleHeum. 1169 G4ClassicalRK4 and G4SimpleHeum.
1255 - Added Spin propagation errors to the criter 1170 - Added Spin propagation errors to the criteria for 'OneGoodStep' in
1256 G4MagIntegratorDriver but actually don't ad 1171 G4MagIntegratorDriver but actually don't add it (yet) to the decision logic.
1257 1172
1258 November, 19th, 2008 P.Gumplinger - field-V0 1173 November, 19th, 2008 P.Gumplinger - field-V09-01-05
1259 ---------------------------------- 1174 ----------------------------------
1260 - Renormalized the spin to 1 in G4EqEMFieldWi 1175 - Renormalized the spin to 1 in G4EqEMFieldWithSpin and G4Mag_SpinEqRhs.
1261 1176
1262 November, 7th, 2008 P.Gumplinger - field-V0 1177 November, 7th, 2008 P.Gumplinger - field-V09-01-04
1263 ---------------------------------- 1178 ----------------------------------
1264 - Added SetAnomaly() and GetAnomaly() accesso 1179 - Added SetAnomaly() and GetAnomaly() accessors to G4EqEMFieldWithSpin.
1265 1180
1266 October, 28th, 2008 T.Nikitina - field-V09- 1181 October, 28th, 2008 T.Nikitina - field-V09-01-03
1267 -------------------------------- 1182 --------------------------------
1268 - Added 'ApproxCurveV' to method G4ChordFinde 1183 - Added 'ApproxCurveV' to method G4ChordFinder::ApproxCurvePointS() in
1269 order to better calculate the curve length. 1184 order to better calculate the curve length.
1270 - Some code cleanup. 1185 - Some code cleanup.
1271 1186
1272 September, 18th, 2008 T.Nikitina 1187 September, 18th, 2008 T.Nikitina
1273 ---------------------------------- 1188 ----------------------------------
1274 - Added new stepper class G4ConstRK4, perform 1189 - Added new stepper class G4ConstRK4, performing integration of one step
1275 with error calculation in constant magnetic 1190 with error calculation in constant magnetic field; implementation derived
1276 from G4ClassicalRK4. 1191 from G4ClassicalRK4.
1277 1192
1278 July, 15th, 2008 J.Apostolakis - field-V09- 1193 July, 15th, 2008 J.Apostolakis - field-V09-01-02
1279 -------------------------------- 1194 --------------------------------
1280 - Revised signature of G4ChordFinder::FinderN 1195 - Revised signature of G4ChordFinder::FinderNextChord(), making 'FieldTrack'
1281 argument passed a reference. 1196 argument passed a reference.
1282 1197
1283 May, 28th, 2008 T.Nikitina 1198 May, 28th, 2008 T.Nikitina
1284 ---------------------------- 1199 ----------------------------
1285 - G4ChordFinder: added new method ApproxCurve 1200 - G4ChordFinder: added new method ApproxCurvePointS() using Brent second order
1286 location mechanism. 1201 location mechanism.
1287 1202
1288 April 24th, 2008 T.Nikitina - field-V09-01- 1203 April 24th, 2008 T.Nikitina - field-V09-01-01
1289 ----------------------------- 1204 -----------------------------
1290 - Fix 'unused' non-initialized values of dydx 1205 - Fix 'unused' non-initialized values of dydx in G4EqMagElectricField
1291 and G4EqEMFieldWithSpin. 1206 and G4EqEMFieldWithSpin.
1292 1207
1293 January 17th, 2008 G.Cosmo - field-V09-01-0 1208 January 17th, 2008 G.Cosmo - field-V09-01-00
1294 ---------------------------- 1209 ----------------------------
1295 - G4CashKarpRKF45: deleted un-needed duplicat 1210 - G4CashKarpRKF45: deleted un-needed duplicate (and unused) instance variable
1296 'fNumberOfVariables', already defined in G4M 1211 'fNumberOfVariables', already defined in G4MagIntegratorStepper. (J.Ap.)
1297 - Some code cleanup. 1212 - Some code cleanup.
1298 1213
1299 December 7th, 2007 J.Apostolakis & T.Nikiti 1214 December 7th, 2007 J.Apostolakis & T.Nikitina - field-V09-00-03
1300 --------------------------------------------- 1215 -----------------------------------------------
1301 - New class G4FieldManagerStore. It enables r 1216 - New class G4FieldManagerStore. It enables resetting of all chord
1302 finders' state. Needed to address problem r 1217 finders' state. Needed to address problem reported by user.
1303 1218
1304 September 9th, 2007 G.Cosmo - field-V09-00-0 1219 September 9th, 2007 G.Cosmo - field-V09-00-02a
1305 ---------------------------- 1220 ----------------------------
1306 - Some code cleanup in G4MagHelicalStepper.cc 1221 - Some code cleanup in G4MagHelicalStepper.cc.
1307 1222
1308 August 30th, 2007 P.Gumplinger - field-V09 1223 August 30th, 2007 P.Gumplinger - field-V09-00-02
1309 --------------------------------- 1224 ---------------------------------
1310 - Add G4EqEMFieldWithSpin class to allow trac 1225 - Add G4EqEMFieldWithSpin class to allow tracking of spin also in
1311 G4ElectroMagneticFields 1226 G4ElectroMagneticFields
1312 1227
1313 August 21st, 2007 T.Nikitina - field-V09-0 1228 August 21st, 2007 T.Nikitina - field-V09-00-01
1314 ------------------------------- 1229 -------------------------------
1315 - Fix to DistChord() method for Helical Stepp 1230 - Fix to DistChord() method for Helical Steppers: adopt 'special' case
1316 also for Ang<2pi not only for Ang<pi; use c 1231 also for Ang<2pi not only for Ang<pi; use cos() in place of tan(), to
1317 improve CPU performance. 1232 improve CPU performance.
1318 - Improved AdvanceHelix() to be able to make 1233 - Improved AdvanceHelix() to be able to make half step and full step
1319 in one call. 1234 in one call.
1320 - In G4HelixMixedStepper added possibility to 1235 - In G4HelixMixedStepper added possibility to call different steppers for
1321 small steps and add some statistics how off 1236 small steps and add some statistics how offen different steppers are called.
1322 - G4RKG3_Stepper: improved internal algorithm 1237 - G4RKG3_Stepper: improved internal algorithm to use pre-computed values;
1323 the stepper now gives comparable CPU perfor 1238 the stepper now gives comparable CPU performance as ClassicalRK4.
1324 - Updated unit tests. 1239 - Updated unit tests.
1325 1240
1326 August 17th, 2007 G.Cosmo - field-V09-00-0 1241 August 17th, 2007 G.Cosmo - field-V09-00-00
1327 ---------------------------- 1242 ----------------------------
1328 - Changed FatalException to EventMustBeAborte 1243 - Changed FatalException to EventMustBeAborted in AccurateAdvance()
1329 if proposed integration step is negative. 1244 if proposed integration step is negative.
1330 1245
1331 June 8th, 2007 T.Nikitina - field-V08-03-0 1246 June 8th, 2007 T.Nikitina - field-V08-03-03
1332 ---------------------------- 1247 ----------------------------
1333 - Relaxed FatalException to Warning in G4MagI 1248 - Relaxed FatalException to Warning in G4MagIntegratorDriver::AccurateAdvance()
1334 for case of step zero and return previous v 1249 for case of step zero and return previous value. This fixes problem
1335 observed by ATLAS in release 8.3 when requi 1250 observed by ATLAS in release 8.3 when requiring very accurate propagation
1336 -- ie using very small values for acceptabl 1251 -- ie using very small values for acceptable integration error.
1337 1252
1338 May 18th, 2007 T.Nikitina - field-V08-03-0 1253 May 18th, 2007 T.Nikitina - field-V08-03-02
1339 ---------------------------- 1254 ----------------------------
1340 - New class G4HelixMixedStepper, mixing helic 1255 - New class G4HelixMixedStepper, mixing helical stepper and RK
1341 G4MagHelicalStepper 1256 G4MagHelicalStepper
1342 - Keep values of inverse Radius, .. 1257 - Keep values of inverse Radius, ..
1343 - New calculation of DistChord for SteppingAn 1258 - New calculation of DistChord for SteppingAngle > pi
1344 G4RKG3Stepper 1259 G4RKG3Stepper
1345 - New calculation of DistChord for SteppingAn 1260 - New calculation of DistChord for SteppingAngle > pi
1346 1261
1347 May 16th, 2007 G.Cosmo - field-V08-03-01 1262 May 16th, 2007 G.Cosmo - field-V08-03-01
1348 ------------------------- 1263 -------------------------
1349 - Introduced new class G4ErrorMag_UsualEqRhs 1264 - Introduced new class G4ErrorMag_UsualEqRhs used to reverse the magnetic
1350 field when propagation is backwards for err 1265 field when propagation is backwards for error propagation (by P.Arce).
1351 - Coworks with tag "global-V08-03-02". 1266 - Coworks with tag "global-V08-03-02".
1352 1267
1353 May 11th, 2007 G.Cosmo - field-V08-03-00 1268 May 11th, 2007 G.Cosmo - field-V08-03-00
1354 ------------------------- 1269 -------------------------
1355 - Use call to G4GeometryTolerance instead of 1270 - Use call to G4GeometryTolerance instead of kCarTolerance constant in
1356 G4MagIntegratorDriver. 1271 G4MagIntegratorDriver.
1357 - Requires tag "global-V08-03-00" and related 1272 - Requires tag "global-V08-03-00" and related tag set.
1358 1273
1359 May 10th, 2007 J.Apostolakis - field-V08-0 1274 May 10th, 2007 J.Apostolakis - field-V08-02-01
1360 ------------------------------- 1275 -------------------------------
1361 - G4MagIntegratorDriver: 1276 - G4MagIntegratorDriver:
1362 * added protections against zero initial 1277 * added protections against zero initial or internal step h=0, (exceptions)
1363 * revised (re)calculation of h, and quit 1278 * revised (re)calculation of h, and quit loop if h/length < smallest-fraction (~ 10^-12)
1364 1279
1365 April 26th, 2007 T.Nikitina - field-V08-02-0 1280 April 26th, 2007 T.Nikitina - field-V08-02-00
1366 ---------------------------- 1281 ----------------------------
1367 - Corrected integration constants in G4MagHel 1282 - Corrected integration constants in G4MagHelicalStepper
1368 - Added implementation of G4RKG3_Stepper, ste 1283 - Added implementation of G4RKG3_Stepper, stepper derived from Geant3.
1369 - Updated NTST unit test. New unit test "fiel 1284 - Updated NTST unit test. New unit test "field06" for comparison of steppers.
1370 1285
1371 November 14th, 2006 J.Apostolakis - field-V0 1286 November 14th, 2006 J.Apostolakis - field-V08-01-02
1372 ---------------------------------- 1287 ----------------------------------
1373 - G4MagIntegratorDriver 1288 - G4MagIntegratorDriver
1374 * Made first argument of GetDerivatives a r 1289 * Made first argument of GetDerivatives a reference - avoid copy
1375 - G4MagIntegratorStepper 1290 - G4MagIntegratorStepper
1376 * Include the SetEquationOfMotion() method 1291 * Include the SetEquationOfMotion() method in G4MagIntegratorStepper
1377 (for Geant4e, as in field-V08-01-00) 1292 (for Geant4e, as in field-V08-01-00)
1378 * Update of disclaimers. 1293 * Update of disclaimers.
1379 1294
1380 November 13th, 2006 G.Cosmo - field-V08-01-0 1295 November 13th, 2006 G.Cosmo - field-V08-01-01
1381 ---------------------------- 1296 ----------------------------
1382 - G4FieldTrack: 1297 - G4FieldTrack:
1383 o Implemented missing definition for GetCha 1298 o Implemented missing definition for GetCharge().
1384 o Corrected 'const' qualifier for accessors 1299 o Corrected 'const' qualifier for accessors in the subclass.
1385 o Cleanup ... 1300 o Cleanup ...
1386 - NOTE: this tag is NOT including the change 1301 - NOTE: this tag is NOT including the change below in G4MagIntegratorStepper.
1387 1302
1388 June 21st, 2006 J.Apostolakis - field-V08-01 1303 June 21st, 2006 J.Apostolakis - field-V08-01-00
1389 ------------------------------ 1304 ------------------------------
1390 - Including the SetEquationOfMotion() method 1305 - Including the SetEquationOfMotion() method in G4MagIntegratorStepper
1391 1306
1392 June 22nd, 2006 J.Apostolakis - field-V08-00 1307 June 22nd, 2006 J.Apostolakis - field-V08-00-07
1393 ----------------------------- 1308 -----------------------------
1394 - G4ExactHelixStepper: reintroduced corrected 1309 - G4ExactHelixStepper: reintroduced corrected class
1395 --> testPropagateMagField now tests it al 1310 --> testPropagateMagField now tests it also (added)
1396 - G4MagHelicalStepper: made Stepper virtual ( 1311 - G4MagHelicalStepper: made Stepper virtual (for now)
1397 to enable G4ExactHelixStepper to 1312 to enable G4ExactHelixStepper to override it
1398 1313
1399 June 21st, 2006 J.Apostolakis - field-V08-00 1314 June 21st, 2006 J.Apostolakis - field-V08-00-06
1400 ----------------------------- 1315 -----------------------------
1401 - G4ExactHelixStepper: taking out class 1316 - G4ExactHelixStepper: taking out class
1402 (provisional tag in case of difficulties w 1317 (provisional tag in case of difficulties with class, revisions)
1403 1318
1404 --- The field-V08-00-0x , x > 6, tags do not 1319 --- The field-V08-00-0x , x > 6, tags do not include the change below
1405 1320
1406 May 27th, 2006 J.Apostolakis - field-V08-00- 1321 May 27th, 2006 J.Apostolakis - field-V08-00-05
1407 ----------------------------- 1322 -----------------------------
1408 - G4FieldTrack: Fix for simple compilation er 1323 - G4FieldTrack: Fix for simple compilation error on Sun.
1409 1324
1410 May 23rd, 2006 J.Apostolakis - field-V08-00- 1325 May 23rd, 2006 J.Apostolakis - field-V08-00-04
1411 ----------------------------- 1326 -----------------------------
1412 - G4FieldTrack: Fix for memory leak for Charg 1327 - G4FieldTrack: Fix for memory leak for ChargeState
1413 Made G4ChargeState a data member (has an i 1328 Made G4ChargeState a data member (has an instance)
1414 1329
1415 May 18th, 2006 J.Apostolakis - field-V08-00- 1330 May 18th, 2006 J.Apostolakis - field-V08-00-03
1416 ----------------------------- 1331 -----------------------------
1417 - G4FieldTrack: Fix for issue with gcc 4.0 ( 1332 - G4FieldTrack: Fix for issue with gcc 4.0 (mac)
1418 1333
1419 May 16th, 2006 J.Apostolakis - field-V08-00- 1334 May 16th, 2006 J.Apostolakis - field-V08-00-02
1420 ----------------------------- 1335 -----------------------------
1421 - G4ExactHelixStepper 1336 - G4ExactHelixStepper
1422 Taken out alpha version - it was included 1337 Taken out alpha version - it was included in error
1423 1338
1424 May 11th, 2006 J.Apostolakis - field-V08-00- 1339 May 11th, 2006 J.Apostolakis - field-V08-00-01
1425 ----------------------------- 1340 -----------------------------
1426 - G4FieldTrack 1341 - G4FieldTrack
1427 Significant, provisional change: 1342 Significant, provisional change:
1428 * Added charge and moments to FieldTrack 1343 * Added charge and moments to FieldTrack
1429 (SetMethods, and pointer to embedde 1344 (SetMethods, and pointer to embedded class G4ChargeState)
1430 Technical revisions: 1345 Technical revisions:
1431 * New constructor, with charge and witho 1346 * New constructor, with charge and without velocity
1432 * New almost-default constructor (taking 1347 * New almost-default constructor (taking a character)
1433 Also: 1348 Also:
1434 * New constructor to take const referenc 1349 * New constructor to take const reference to Spin
1435 * New implementation method UpdateFourMo 1350 * New implementation method UpdateFourMomentum
1436 * Streaming operator takes const referen 1351 * Streaming operator takes const reference,
1437 and outputs momentum magnitude & dir 1352 and outputs momentum magnitude & direction magn.
1438 1353
1439 - G4ExactHelixStepper 1354 - G4ExactHelixStepper
1440 Included in error 1355 Included in error
1441 1356
1442 Apr 6th, 2006 J.Apostolakis - field-V08-00-0 1357 Apr 6th, 2006 J.Apostolakis - field-V08-00-00
1443 ---------------------------- 1358 ----------------------------
1444 - In G4FieldManager 1359 - In G4FieldManager
1445 Added missing const GetChordFinder() method 1360 Added missing const GetChordFinder() method -- Problem report #847
1446 Corrected description (at top of include fil 1361 Corrected description (at top of include file hh):
1447 - It is possible to set the field manager o 1362 - It is possible to set the field manager of a logical volume (since long)
1448 1363
1449 1364
1450 Nov 9th, 2005 G.Cosmo - field-V07-01-00 1365 Nov 9th, 2005 G.Cosmo - field-V07-01-00
1451 ---------------------- 1366 ----------------------
1452 - Archived source code of field01 unit test, 1367 - Archived source code of field01 unit test, now moved to examples/extended.
1453 - Migrated unit test NTST to use <sstream> an 1368 - Migrated unit test NTST to use <sstream> and std:: namespace. Up-to-date
1454 with G4VParticleChange new interface. 1369 with G4VParticleChange new interface.
1455 1370
1456 Dec 2nd, 2004 G.Cosmo - field-V06-02-02 1371 Dec 2nd, 2004 G.Cosmo - field-V06-02-02
1457 ---------------------- 1372 ----------------------
1458 - Implemented migration to <cmath> for standa 1373 - Implemented migration to <cmath> for standard mathematical functions.
1459 1374
1460 Dec 2nd, 2004 J.Apostolakis - field-V06-02-0 1375 Dec 2nd, 2004 J.Apostolakis - field-V06-02-01
1461 ---------------------------- 1376 ----------------------------
1462 - Improvements to comments in key Field class 1377 - Improvements to comments in key Field classes
1463 - Changes to test/NTST, renaming 'main()' fil 1378 - Changes to test/NTST, renaming 'main()' file & modifying input files
1464 - Several improvements to test files 1379 - Several improvements to test files
1465 testProElectroMagField.cc 1380 testProElectroMagField.cc
1466 * updating for new Electric Field inheri 1381 * updating for new Electric Field inheritance (& need for
1467 different ChordFinder creation ) 1382 different ChordFinder creation )
1468 * adding columns to print-outs in spin c 1383 * adding columns to print-outs in spin case for better diagnosis
1469 testPropagateMagField.cc 1384 testPropagateMagField.cc
1470 * Added verbosity level 1 to field Propa 1385 * Added verbosity level 1 to field Propagator, relabelled old method.
1471 testPropagateSpin.cc 1386 testPropagateSpin.cc
1472 * Added more printout of parameters (sta 1387 * Added more printout of parameters (state) of G4PropagatorInField
1473 and G4FieldManager before running each 1388 and G4FieldManager before running each test.
1474 test/NTST 1389 test/NTST
1475 * Renamed main() file to testNTST.cc and 1390 * Renamed main() file to testNTST.cc and added G4UItcsh terminal.
1476 1391
1477 1392
1478 Oct 20th, 2004 P.Gumplinger - field-V06-02-0 1393 Oct 20th, 2004 P.Gumplinger - field-V06-02-00
1479 ---------------------------- 1394 ----------------------------
1480 - Added Set/GetAnomaly() methods in G4Mag_Spi 1395 - Added Set/GetAnomaly() methods in G4Mag_SpinEqRhs.
1481 1396
1482 Feb 9th, 2004 G.Cosmo - field-V06-00-00 1397 Feb 9th, 2004 G.Cosmo - field-V06-00-00
1483 ---------------------- 1398 ----------------------
1484 - G4UniformMagField.cc: added missing impleme 1399 - G4UniformMagField.cc: added missing implementation for
1485 GetConstantFieldValue(). Fixes bug report # 1400 GetConstantFieldValue(). Fixes bug report #575.
1486 1401
1487 Nov 13th, 2003 J.Apostolakis - field-V05-02- 1402 Nov 13th, 2003 J.Apostolakis - field-V05-02-08
1488 ----------------------------- 1403 -----------------------------
1489 - G4ChordFinder: 1404 - G4ChordFinder:
1490 o extended the arguments of AdvanceChordLim 1405 o extended the arguments of AdvanceChordLimited and FindNextChord
1491 adding the current safety sphere (origin, 1406 adding the current safety sphere (origin, radius), for use in optimising.
1492 o fixed set functions which had side effect 1407 o fixed set functions which had side effect (on first fraction.)
1493 - Added new class G4ChordFinderSaf (using abo 1408 - Added new class G4ChordFinderSaf (using above)
1494 o which uses safety to create longer chords 1409 o which uses safety to create longer chords, so enabling
1495 propagation in fewer steps --> performa 1410 propagation in fewer steps --> performance optimisation
1496 - G4FieldManager: 1411 - G4FieldManager:
1497 Changed default accuracy parameters to mu 1412 Changed default accuracy parameters to much better values:
1498 Epsilon Min Default to 5.0e-5 from 1413 Epsilon Min Default to 5.0e-5 from 5.0e-7 (too small)
1499 Epsilon Max Default to 0.001 from 1414 Epsilon Max Default to 0.001 from 0.05 (far too big)
1500 1415
1501 Nov 7th, 2003 J.Apostolakis - field-V05-02- 1416 Nov 7th, 2003 J.Apostolakis - field-V05-02-07
1502 ----------------------------- 1417 -----------------------------
1503 - G4ChordFinder 1418 - G4ChordFinder
1504 o Made this a base class 1419 o Made this a base class
1505 * to enable specialised implementations 1420 * to enable specialised implementations
1506 * virtual methods: FindNextChord, PrintSt 1421 * virtual methods: FindNextChord, PrintStatistics)
1507 * new method AccumulateStatistics to aid 1422 * new method AccumulateStatistics to aid in this
1508 1423
1509 o New default value of 1424 o New default value of Accuracy!!
1510 Delta Chord to 0.25 mm (from 1425 Delta Chord to 0.25 mm (from 3.00 mm) <-----
1511 1426
1512 - G4FieldManager 1427 - G4FieldManager
1513 o Changed default values of 1428 o Changed default values of
1514 Delta One Step to 0.010 mm (from 1429 Delta One Step to 0.010 mm (from 0.25 mm) <-----
1515 Delta Intersection to 0.001 mm (from 1430 Delta Intersection to 0.001 mm (from 0.10 mm) <-----
1516 for increased default accuracy 1431 for increased default accuracy
1517 o Use field's DoesFieldChangesEnergy method 1432 o Use field's DoesFieldChangesEnergy method to set relevant member variable
1518 1433
1519 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1434 Nov 7th, 2003 J.Apostolakis - field-V05-02-06
1520 ---------------------------- 1435 ----------------------------
1521 - G4ChordFinder 1436 - G4ChordFinder
1522 Created new class members for parameters u 1437 Created new class members for parameters used in heuristics:
1523 fFirstFraction for first st 1438 fFirstFraction for first step
1524 fFractionLast fraction of 1439 fFractionLast fraction of last step, if redoing
1525 fFractionNextEstimate confidence i 1440 fFractionNextEstimate confidence in step est from chord
1526 fMultipleRadius for small ra 1441 fMultipleRadius for small radii of curve
1527 New method to Print Statistics. 1442 New method to Print Statistics.
1528 Verbosity to enable optional printing of s 1443 Verbosity to enable optional printing of stats in destructor.
1529 1444
1530 Nov 7th, 2003 J.Apostolakis - field-V05-02-0 1445 Nov 7th, 2003 J.Apostolakis - field-V05-02-05
1531 ---------------------------- 1446 ----------------------------
1532 - G4ChordFinder 1447 - G4ChordFinder
1533 o Added simple statistics (with access meth 1448 o Added simple statistics (with access methods)
1534 - test/NTST 1449 - test/NTST
1535 o Added new test, taken from D. Williams' e 1450 o Added new test, taken from D. Williams' exampleNTST
1536 modified and maintained by J. Apostolaki 1451 modified and maintained by J. Apostolakis
1537 1452
1538 Nov 5th, 2003 J.Apostolakis - field-V05-02-0 1453 Nov 5th, 2003 J.Apostolakis - field-V05-02-04
1539 ---------------------------- 1454 ----------------------------
1540 - G4FieldManager 1455 - G4FieldManager
1541 o Added Get/Set Min/Max imumEpsilonStep 1456 o Added Get/Set Min/Max imumEpsilonStep
1542 o Added fEpsilonMin fEpsilonMax & default t 1457 o Added fEpsilonMin fEpsilonMax & default to member variables.
1543 >> Now these can be tailored for different 1458 >> Now these can be tailored for different parts of a detector or setup
1544 1459
1545 - G4Field G4ElectroMagneticField G4MagneticFi 1460 - G4Field G4ElectroMagneticField G4MagneticField
1546 o Adding the virtual method DoesFieldChan 1461 o Adding the virtual method DoesFieldChangeEnergy() [to be used later]
1547 o So that G4ElectroMagneticField derives fr 1462 o So that G4ElectroMagneticField derives from G4Field
1548 and G4MagneticField derives from G4Electr 1463 and G4MagneticField derives from G4ElectroMagneticField
1549 1464
1550 - G4MagErrorStepper and derived classes 1465 - G4MagErrorStepper and derived classes
1551 (G4ClassicalRK4 G4SimpleRunge G4ExplicitE 1466 (G4ClassicalRK4 G4SimpleRunge G4ExplicitEuler G4ImplicitEuler G4SimpleHeum)
1552 o the constructors take G4EquationOfMotion 1467 o the constructors take G4EquationOfMotion in place of a G4Mag_EqRhs
1553 as it these applicable to all types of eq 1468 as it these applicable to all types of equations
1554 (not just ones for Magnetic field) 1469 (not just ones for Magnetic field)
1555 1470
1556 - G4EqMagElectricField 1471 - G4EqMagElectricField
1557 o derives from G4EquationOfMotion 1472 o derives from G4EquationOfMotion
1558 1473
1559 - G4ChordFinder 1474 - G4ChordFinder
1560 o Moved simple constructor to .cc file (tog 1475 o Moved simple constructor to .cc file (together with 'complex' one)
1561 o Changed fDefaultDeltaChord to a constant 1476 o Changed fDefaultDeltaChord to a constant member variable (from class var.)
1562 1477
1563 Nov 4th, 2003 G.Cosmo - field-V05-02-03 1478 Nov 4th, 2003 G.Cosmo - field-V05-02-03
1564 ---------------------- 1479 ----------------------
1565 Undocumented. 1480 Undocumented.
1566 1481
1567 Nov 4th, 2003 G.Cosmo - field-V05-02-02 1482 Nov 4th, 2003 G.Cosmo - field-V05-02-02
1568 ---------------------- 1483 ----------------------
1569 - G4ChordFinder.cc: 1484 - G4ChordFinder.cc:
1570 o Fixed compilation problem occuring when G 1485 o Fixed compilation problem occuring when G4DEBUG_FIELD was set.
1571 1486
1572 Oct 31st, 2003 G.Cosmo - field-V05-02-01 1487 Oct 31st, 2003 G.Cosmo - field-V05-02-01
1573 ----------------------- 1488 -----------------------
1574 - Code cleanup and removal of redundant heade 1489 - Code cleanup and removal of redundant header includes, replaced
1575 where necessary by forward declarations. 1490 where necessary by forward declarations.
1576 1491
1577 Oct 24th, 2003 G.Cosmo - field-V05-02-00 1492 Oct 24th, 2003 G.Cosmo - field-V05-02-00
1578 ----------------------- 1493 -----------------------
1579 - Migrated to use new G4Exception scheme. 1494 - Migrated to use new G4Exception scheme.
1580 - Updated outputs of unit tests. 1495 - Updated outputs of unit tests.
1581 1496
1582 Jun 25th, 2003 J.Apostolakis - field-V05-01- 1497 Jun 25th, 2003 J.Apostolakis - field-V05-01-06
1583 ----------------------------- 1498 -----------------------------
1584 - Suppressed printing of statistics (by defau 1499 - Suppressed printing of statistics (by default) in MagIntegrationDriver.
1585 - Fix for unused variables warning in ChordFi 1500 - Fix for unused variables warning in ChordFinder.
1586 1501
1587 Jun 24th, 2003 J.Apostolakis - field-V05-01- 1502 Jun 24th, 2003 J.Apostolakis - field-V05-01-05
1588 ----------------------------- 1503 -----------------------------
1589 - Fix for problems introduced in field-V05-01 1504 - Fix for problems introduced in field-V05-01-03:
1590 o G4ChordFinder: 1505 o G4ChordFinder:
1591 - Fixed unitialised variable for next ste 1506 - Fixed unitialised variable for next step (now used for optimisation).
1592 - Protected assignment of 'fLastStepEstim 1507 - Protected assignment of 'fLastStepEstimate_Unconstrained' in case of
1593 unitialised value. 1508 unitialised value.
1594 1509
1595 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1510 Jun 21st, 2003 J.Apostolakis - field-V05-01-04
1596 ----------------------------- 1511 -----------------------------
1597 - G4FieldManager: 1512 - G4FieldManager:
1598 o Revised into 'slightly' abstract class wi 1513 o Revised into 'slightly' abstract class with one (new) virtual method:
1599 ConfigureForTrack( const G4Track *) 1514 ConfigureForTrack( const G4Track *)
1600 to enable the user to configure it with d 1515 to enable the user to configure it with different accuracy parameters
1601 depending on energy, particle id, volume, 1516 depending on energy, particle id, volume, or other track state.
1602 Currently by default, no such configurati 1517 Currently by default, no such configuration action is undertaken.
1603 1518
1604 Jun 21st, 2003 J.Apostolakis - field-V05-01- 1519 Jun 21st, 2003 J.Apostolakis - field-V05-01-03
1605 ----------------------------- 1520 -----------------------------
1606 - Revised G4ChordFinder: 1521 - Revised G4ChordFinder:
1607 * FindNextChord now provides next Step esti 1522 * FindNextChord now provides next Step estimate (for accuracy in Integr.)
1608 * AdvanceChordLimited to use 1523 * AdvanceChordLimited to use
1609 - above extra argument to FindNextChord 1524 - above extra argument to FindNextChord
1610 - the next Step argument as initial-step 1525 - the next Step argument as initial-step suggested to Accurate Advance
1611 - G4MagIntegratorDriver: 1526 - G4MagIntegratorDriver:
1612 * Added extra argument to Accurate Advance: 1527 * Added extra argument to Accurate Advance:
1613 hinitial: suggested initial step size 1528 hinitial: suggested initial step size
1614 - Note: 1529 - Note:
1615 * Purpose: performance boost with small/li 1530 * Purpose: performance boost with small/limited changes,
1616 including minor revisions of interfaces. 1531 including minor revisions of interfaces.
1617 1532
1618 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1533 Jun 20th, 2003 J.Apostolakis - field-V05-01-02
1619 ----------------------------- 1534 -----------------------------
1620 - G4MagIntegratorDriver Quick Advance: 1535 - G4MagIntegratorDriver Quick Advance:
1621 o Took out two unneccessary square roots an 1536 o Took out two unneccessary square roots and two divisions.
1622 - Notes: 1537 - Notes:
1623 1) Pure magnetic, electric, spin field test 1538 1) Pure magnetic, electric, spin field test are completed.
1624 2) Purpose: performance boost with small c 1539 2) Purpose: performance boost with small changes.
1625 1540
1626 Jun 20th, 2003 J.Apostolakis - field-V05-01- 1541 Jun 20th, 2003 J.Apostolakis - field-V05-01-01
1627 ----------------------------- 1542 -----------------------------
1628 - G4MagIntegratorDriver: 1543 - G4MagIntegratorDriver:
1629 o Corrected neglected conversion to <std> f 1544 o Corrected neglected conversion to <std> from "G4std".
1630 - Migrated unit tests to <std>. 1545 - Migrated unit tests to <std>.
1631 1546
1632 Jun 19th, 2003 J.Apostolakis - field-V05-01- 1547 Jun 19th, 2003 J.Apostolakis - field-V05-01-00
1633 ----------------------------- 1548 -----------------------------
1634 - G4ChordFinder: 1549 - G4ChordFinder:
1635 o Corrected simple constructor to initialis 1550 o Corrected simple constructor to initialise several member variables
1636 including LastStepEstimate_Unconstrained. 1551 including LastStepEstimate_Unconstrained.
1637 - G4MagIntegratorDriver: 1552 - G4MagIntegratorDriver:
1638 o Keep simple statistics on number of steps 1553 o Keep simple statistics on number of steps, total error and step size.
1639 o Took out an unneccessary square root (in 1554 o Took out an unneccessary square root (in loop).
1640 - NOTE: tests field0X are to be migrated. 1555 - NOTE: tests field0X are to be migrated.
1641 Purpose: fixes, small performance boost, si 1556 Purpose: fixes, small performance boost, simple statistics.
1642 1557
1643 Apr 2nd, 2003 G. Cosmo - field-V05-00-01 1558 Apr 2nd, 2003 G. Cosmo - field-V05-00-01
1644 --------------------------- 1559 ---------------------------
1645 - Created .cc files for G4MagneticField and G 1560 - Created .cc files for G4MagneticField and G4ElecroMagneticField.
1646 - Fixed definition of copy constructors in fi 1561 - Fixed definition of copy constructors in fields inheritance chain.
1647 - Moved obsolete method StepWithEst() to priv 1562 - Moved obsolete method StepWithEst() to private in G4RKG3_Stepper,
1648 G4CashKarpRKF45 and G4ClassicalRK4. 1563 G4CashKarpRKF45 and G4ClassicalRK4.
1649 - Cleared strict pedantic warnings. 1564 - Cleared strict pedantic warnings.
1650 1565
1651 Feb 5th, 2003 G. Cosmo - field-V05-00-00 1566 Feb 5th, 2003 G. Cosmo - field-V05-00-00
1652 --------------------------- 1567 ---------------------------
1653 - Removed redundant inclusions of PhysicalCon 1568 - Removed redundant inclusions of PhysicalConstants.h or SystemOfUnits.h.
1654 Now using directly CLHEP's headers. 1569 Now using directly CLHEP's headers.
1655 1570
1656 Dec 12th, 2002 G. Cosmo - field-V04-01-06 1571 Dec 12th, 2002 G. Cosmo - field-V04-01-06
1657 --------------------------- 1572 ---------------------------
1658 - Moved unused variable 'nStpPr' to debug sec 1573 - Moved unused variable 'nStpPr' to debug section in G4MagIntegratorDriver.cc,
1659 method AccurateAdvance(). 1574 method AccurateAdvance().
1660 1575
1661 Dec 06th, 2002 G. Cosmo - field-V04-01-05 1576 Dec 06th, 2002 G. Cosmo - field-V04-01-05
1662 --------------------------- 1577 ---------------------------
1663 - Merged changes by Makoto for migration to n 1578 - Merged changes by Makoto for migration to new G4ApplicationState in
1664 messengers of unit tests. 1579 messengers of unit tests.
1665 1580
1666 Nov 29th, 2002 J. Apostolakis - field-V04 1581 Nov 29th, 2002 J. Apostolakis - field-V04-01-04
1667 --------------------------------- 1582 ---------------------------------
1668 Further fixes for unitialised variable - in o 1583 Further fixes for unitialised variable - in other steppers:
1669 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitE 1584 G4ExplicitEuler, G4ImplicitEuler, G4ImplicitEuler
1670 1585
1671 Large memory leak fix for G4ImplicitEuler, sm 1586 Large memory leak fix for G4ImplicitEuler, small for ExplicitEuler.
1672 Test accuracy requirements for spin adjusted. 1587 Test accuracy requirements for spin adjusted.
1673 1588
1674 Nov 20th, 2002 J. Apostolakis - field-V04 1589 Nov 20th, 2002 J. Apostolakis - field-V04-01-03
1675 --------------------------------- 1590 ---------------------------------
1676 Further fixes for unitialised variables: 1591 Further fixes for unitialised variables:
1677 1592
1678 * G4MagIntegratorStepper 1593 * G4MagIntegratorStepper
1679 - Created instance variables for number of 1594 - Created instance variables for number of Integration, State variables
1680 1595
1681 * G4MagErrorStepper 1596 * G4MagErrorStepper
1682 - Utilise number of State variables to ini 1597 - Utilise number of State variables to initialise full state of Output.
1683 1598
1684 * G4Mag_SpinEqRhs 1599 * G4Mag_SpinEqRhs
1685 - Initialise the values of dydx that we do 1600 - Initialise the values of dydx that we do not update.
1686 1601
1687 Note: Undoing these changes and the ones belo 1602 Note: Undoing these changes and the ones below would enable the user to see
1688 if undefined values are used in varia 1603 if undefined values are used in variables that he/she expects to
1689 have integrated. 1604 have integrated.
1690 BUT the fix assists us to find truly un 1605 BUT the fix assists us to find truly undefined values elsewhere
1691 -- if they exist -- using valgrind. 1606 -- if they exist -- using valgrind.
1692 1607
1693 Nov 9th, 2002 J. Apostolakis - field-V04 1608 Nov 9th, 2002 J. Apostolakis - field-V04-01-02
1694 --------------------------------- 1609 ---------------------------------
1695 Fixes to address use of uninitialised variabl 1610 Fixes to address use of uninitialised variable in seting values of FieldTrack
1696 (this was done by design, but was neither ide 1611 (this was done by design, but was neither ideal or always well-behaved.)
1697 Changed: 1612 Changed:
1698 1613
1699 * G4MagIntegratorDriver 1614 * G4MagIntegratorDriver
1700 - Added instance variables for number of In 1615 - Added instance variables for number of Integration, State variables
1701 - Initialise all State variables of Output 1616 - Initialise all State variables of Output with values from initial variables.
1702 - Only the Integration variables will be in 1617 - Only the Integration variables will be integrated
1703 1618
1704 * G4ClassicalRK4 and G4MagErrorStepper 1619 * G4ClassicalRK4 and G4MagErrorStepper
1705 - Copy the initial time to intermediate and 1620 - Copy the initial time to intermediate and output C-vectors,
1706 in order to provide a zero-eth estimate 1621 in order to provide a zero-eth estimate value.
1707 Note1: Should clean-up this fix, making it 1622 Note1: Should clean-up this fix, making it similar to Driver (above)
1708 Note2: Should *not* be used for time varyin 1623 Note2: Should *not* be used for time varying field unless created
1709 with at least 8 integration variab 1624 with at least 8 integration variables
1710 --------------------------------- 1625 ---------------------------------
1711 G4ChordFinder.cc 1626 G4ChordFinder.cc
1712 - Correction from zero dChord 1627 - Correction from zero dChord
1713 which is does not update the Unconstrai 1628 which is does not update the Unconstrained step estimate (state)
1714 - Added instance variables to store number 1629 - Added instance variables to store number of calls and chord-trials
1715 and new print method for 'debugging' 1630 and new print method for 'debugging'
1716 1631
1717 G4Mag_UsualEqRhs.cc 1632 G4Mag_UsualEqRhs.cc
1718 - Attempted approximations for speedup *ov 1633 - Attempted approximations for speedup *overwritten* by full inverse sqrt.
1719 1634
1720 1635
1721 Oct 29th, 2002 J. Apostolakis - test-V04-0 1636 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1722 -------------------------------- 1637 --------------------------------
1723 - Changed output of tests for small output ch 1638 - Changed output of tests for small output change (GeV->MeV)
1724 1639
1725 Oct 29th, 2002 J. Apostolakis - test-V04-0 1640 Oct 29th, 2002 J. Apostolakis - test-V04-01-02
1726 -------------------------------- 1641 --------------------------------
1727 - (Only changed and tagged test subdirectory) 1642 - (Only changed and tagged test subdirectory)
1728 Changed tests to use the new method SetChar 1643 Changed tests to use the new method SetChargeMomentumMass of
1729 PropagatorInField in order to be ready for 1644 PropagatorInField in order to be ready for its full use in
1730 G4PropagatorInField. 1645 G4PropagatorInField.
1731 (A key problem at end-July was this non-pre 1646 (A key problem at end-July was this non-preparedness of the unit tests.)
1732 1647
1733 Jul 24th, 2002 G. Cosmo - field-V04-01-01 1648 Jul 24th, 2002 G. Cosmo - field-V04-01-01
1734 -------------------------- 1649 --------------------------
1735 - G4FieldManager[.hh.cc]: made fDefault_Delta 1650 - G4FieldManager[.hh.cc]: made fDefault_Delta_One_Step_Value and
1736 fDefault_Delta_Intersection_Val normal cons 1651 fDefault_Delta_Intersection_Val normal constants (not static) to
1737 resolve initialisation problems. Coworks wi 1652 resolve initialisation problems. Coworks with tag "geomvol-V04-01-01".
1738 Fixes problem report #383. 1653 Fixes problem report #383.
1739 1654
1740 Jul 23rd, 2002 G. Cosmo - field-V04-01-00 1655 Jul 23rd, 2002 G. Cosmo - field-V04-01-00
1741 -------------------------- 1656 --------------------------
1742 - G4MagIntegratorDriver.cc: cleared warning o 1657 - G4MagIntegratorDriver.cc: cleared warning of unused variable.
1743 Protected variable 'nStpPr' with G4DEBUG_FI 1658 Protected variable 'nStpPr' with G4DEBUG_FIELD.
1744 - Updated reference outputs and some other up 1659 - Updated reference outputs and some other updates to unit tests.
1745 1660
1746 Jun 25th, 2002 J. Apostolakis - field-V04- 1661 Jun 25th, 2002 J. Apostolakis - field-V04-00-05
1747 -------------------------------- 1662 --------------------------------
1748 - G4ChordFinder.cc 1663 - G4ChordFinder.cc
1749 In NewStep: fixed case of stepTrial >> ste 1664 In NewStep: fixed case of stepTrial >> stepTrialOld, to take large multiple - not small;
1750 (it was treated the same as stepTrial 1665 (it was treated the same as stepTrial << old)
1751 Added guard for stepTrial==0.0 in FindNextC 1666 Added guard for stepTrial==0.0 in FindNextChord
1752 - G4MagIntegratorDriver.cc 1667 - G4MagIntegratorDriver.cc
1753 Added protection against error of 0.0 in Co 1668 Added protection against error of 0.0 in ComputeNewStepSize.
1754 1669
1755 - G4EquationOfMotion 1670 - G4EquationOfMotion
1756 Made RightHandSide an inline method 1671 Made RightHandSide an inline method
1757 In GetFieldValue signature of Point is doub 1672 In GetFieldValue signature of Point is double[4], instead of double[3]
1758 Defined G4maximum_number_of_field_component 1673 Defined G4maximum_number_of_field_components as enum
1759 1674
1760 Jun 7th, 2002 J. Apostolakis - field-V04- 1675 Jun 7th, 2002 J. Apostolakis - field-V04-00-04
1761 -------------------------------- 1676 --------------------------------
1762 - G4Mag_SpinEqRhs.cc 1677 - G4Mag_SpinEqRhs.cc
1763 o Fix to momentum component of Rhs. 1678 o Fix to momentum component of Rhs.
1764 1679
1765 May 31st, 2002 J. Apostolakis - field-V04- 1680 May 31st, 2002 J. Apostolakis - field-V04-00-03
1766 -------------------------------- 1681 --------------------------------
1767 - G4MagHelicalStepper.icc 1682 - G4MagHelicalStepper.icc
1768 o Fix to LinearStep (correcting previous 1683 o Fix to LinearStep (correcting previous fix/cosmetic)
1769 - G4ChordFinder.cc 1684 - G4ChordFinder.cc
1770 o Corrective behaviour for very small or 1685 o Corrective behaviour for very small or large changes of 'new step'
1771 [observed in complex 3-d fields (purgi 1686 [observed in complex 3-d fields (purging magnet), or
1772 approximate equations of 1687 approximate equations of motion ]
1773 - G4MagIntegratorDriver 1688 - G4MagIntegratorDriver
1774 o More information in debug printing (tan 1689 o More information in debug printing (tangent cosine, norm)
1775 1690
1776 May 7th, 2002 J. Apostolakis 1691 May 7th, 2002 J. Apostolakis
1777 -------------------------------- 1692 --------------------------------
1778 - G4MagIntegratorDriver - ( on trunk ) 1693 - G4MagIntegratorDriver - ( on trunk )
1779 * Fix to update the field track for steps s 1694 * Fix to update the field track for steps smaller than the chord finder's
1780 minstep. 1695 minstep.
1781 1696
1782 1697
1783 April 19th, 2002 J. Apostolakis (not inclu 1698 April 19th, 2002 J. Apostolakis (not included in tag field-V04-00-02)
1784 -------------------------------- 1699 --------------------------------
1785 - G4MagIntegratorDriver.hh,cc (on trunk) 1700 - G4MagIntegratorDriver.hh,cc (on trunk)
1786 * Bug fix: last step can now only be trigg 1701 * Bug fix: last step can now only be triggerred if x+h > x2.
1787 * Debugging methods improved. 1702 * Debugging methods improved.
1788 1703
1789 May 7th, 2002 J. Apostolakis - field-V04- 1704 May 7th, 2002 J. Apostolakis - field-V04-00-02
1790 -------------------------------- 1705 --------------------------------
1791 Tag including only two changes below: 1706 Tag including only two changes below:
1792 - Putting aside the other fixes/changes (as 1707 - Putting aside the other fixes/changes (as the one above) to
1793 G4MagIntegratorDriver, tagging only the fix t 1708 G4MagIntegratorDriver, tagging only the fix to update the field track
1794 for steps smaller than the chord finder's min 1709 for steps smaller than the chord finder's minstep.
1795 1710
1796 May 7th, 2002 J. Apostolakis 1711 May 7th, 2002 J. Apostolakis
1797 -------------------------------- 1712 --------------------------------
1798 - G4MagIntegratorDriver - ** branch ** on 1713 - G4MagIntegratorDriver - ** branch ** on 1.20 **
1799 * Fix to update the field track for steps s 1714 * Fix to update the field track for steps smaller than the chord finder's
1800 minstep. 1715 minstep.
1801 1716
1802 May 7th, 2002 J. Apostolakis 1717 May 7th, 2002 J. Apostolakis
1803 -------------------------------- 1718 --------------------------------
1804 - G4MagIntegratorStepper 1719 - G4MagIntegratorStepper
1805 * Changed RightHandSide from a virtual meth 1720 * Changed RightHandSide from a virtual method to an inline (non-virtual)
1806 method -- it is not and should not be c 1721 method -- it is not and should not be changed by derived classes.
1807 1722
1808 Mar 28th, 2002 J. Apostolakis - field-V04-00 1723 Mar 28th, 2002 J. Apostolakis - field-V04-00-01
1809 ----------------------- 1724 -----------------------
1810 - Fixed LinearStep in G4MagHelicalStepper (ex 1725 - Fixed LinearStep in G4MagHelicalStepper (expected unit direction),
1811 that had not been updated for new integra 1726 that had not been updated for new integration variable (momentum).
1812 --> found in testing helical steppers in 1727 --> found in testing helical steppers in BaBar setup,
1813 in region of negligible field. 1728 in region of negligible field.
1814 1729
1815 - Changed maximum number of steps in driver, 1730 - Changed maximum number of steps in driver,
1816 halving from 500/order to 250/order. 1731 halving from 500/order to 250/order.
1817 1732
1818 Mar 28th, 2002 J. Apostolakis 1733 Mar 28th, 2002 J. Apostolakis
1819 ----------------------- 1734 -----------------------
1820 - Committed directory "OtherField" with examp 1735 - Committed directory "OtherField" with examples of fields,
1821 Delphi, Quadropole etc. 1736 Delphi, Quadropole etc.
1822 1737
1823 - Updated outputs of testPropagateMagField fo 1738 - Updated outputs of testPropagateMagField for new version of source,
1824 that has 3rd test case. 1739 that has 3rd test case.
1825 1740
1826 - Added new runs and outputs for testProElect 1741 - Added new runs and outputs for testProElectroMagField, with
1827 several steppers, and modified test scrip 1742 several steppers, and modified test script test.sh accordingly.
1828 1743
1829 1744
1830 Feb 2nd, 2002 V. Grichine 1745 Feb 2nd, 2002 V. Grichine
1831 ------------------------ 1746 ------------------------
1832 Update of test/field02 to utilise new feature 1747 Update of test/field02 to utilise new features
1833 - for Electric Field, to signal that a fiel 1748 - for Electric Field, to signal that a field modifies the energy;
1834 - updating of time by integration, for time 1749 - updating of time by integration, for time dependent fields.
1835 1750
1836 Jan 10th, 2002 G. Cosmo - field-V04-00-00 1751 Jan 10th, 2002 G. Cosmo - field-V04-00-00
1837 ------------------------ 1752 ------------------------
1838 - Activated G4DEBUG_FIELD in GNUmakefile. 1753 - Activated G4DEBUG_FIELD in GNUmakefile.
1839 1754
1840 Jan 7th, 2002 J. Apostolakis 1755 Jan 7th, 2002 J. Apostolakis
1841 ----------------------------- 1756 -----------------------------
1842 - G4MagHelicalStepper.cc: renamed local varia 1757 - G4MagHelicalStepper.cc: renamed local variables "*Momentum*" to "*Velocity*".
1843 1758
1844 Dec 4th, 2001 G. Cosmo - field-V03-02-08 1759 Dec 4th, 2001 G. Cosmo - field-V03-02-08
1845 ----------------------- 1760 -----------------------
1846 - Fixed interface to virtual functions in the 1761 - Fixed interface to virtual functions in the inheritance chain.
1847 Added 'virtual' qualifier to destructor and 1762 Added 'virtual' qualifier to destructor and GetFieldValue() for subclasses
1848 of G4Field which may act as base class for 1763 of G4Field which may act as base class for user-defined fields.
1849 Modified files: G4MagneticField.hh, G4Unifo 1764 Modified files: G4MagneticField.hh, G4UniformElectricField[.hh.cc],
1850 G4UniformMagField.hh. 1765 G4UniformMagField.hh.
1851 - G4ChordFinder.cc: the unphysical curve leng 1766 - G4ChordFinder.cc: the unphysical curve length exception has been moved to
1852 inside #ifdef G4DEBUG_FIELD. Other #ifdef r 1767 inside #ifdef G4DEBUG_FIELD. Other #ifdef renamed to G4DEBUG_FIELD.
1853 - G4LineSection[.hh.cc]: correction for A=B w 1768 - G4LineSection[.hh.cc]: correction for A=B when the distance from P to A
1854 is returned (V.Grichine). 1769 is returned (V.Grichine).
1855 1770
1856 Nov 28th, 2001 J. Apostolakis - field-V03-02 1771 Nov 28th, 2001 J. Apostolakis - field-V03-02-07
1857 ------------------------------ 1772 ------------------------------
1858 G4FieldManager 1773 G4FieldManager
1859 - Added fFieldChangesEnergy data member and g 1774 - Added fFieldChangesEnergy data member and get/set methods
1860 ( required to allow transportation to know h 1775 ( required to allow transportation to know how to calculate end-time,
1861 enabling the integration of time only for 1776 enabling the integration of time only for electric fields. )
1862 1777
1863 Nov 28th, 2001 J. Apostolakis - field-V03-02 1778 Nov 28th, 2001 J. Apostolakis - field-V03-02-06
1864 ------------------------------ 1779 ------------------------------
1865 Small fixes only: 1780 Small fixes only:
1866 1781
1867 G4CashKarpRKF45 1782 G4CashKarpRKF45
1868 - fixed deletion of unassigned pointer/array 1783 - fixed deletion of unassigned pointer/array in destructor. (-> Volodya Velev)
1869 1784
1870 G4EqMagElectricField 1785 G4EqMagElectricField
1871 - bug fixed in the formula for inverse veloci 1786 - bug fixed in the formula for inverse velocity (-> V. Grichine)
1872 1787
1873 Nov 21st, 2001 G. Cosmo - field-V03-02-05 1788 Nov 21st, 2001 G. Cosmo - field-V03-02-05
1874 ------------------------ 1789 ------------------------
1875 - Protected verbose warnings with G4FIELD_DEB 1790 - Protected verbose warnings with G4FIELD_DEBUG flag in G4ChordFinder.cc
1876 (V.Grichine). 1791 (V.Grichine).
1877 - Replaced G4DEBUG with G4DEBUG_FIELD in G4Ma 1792 - Replaced G4DEBUG with G4DEBUG_FIELD in G4MagIntegratorDriver.cc.
1878 - Updates to unit test field02. 1793 - Updates to unit test field02.
1879 1794
1880 Nov 13th, 2001 G. Cosmo - field-V03-02-04 1795 Nov 13th, 2001 G. Cosmo - field-V03-02-04
1881 ------------------------ 1796 ------------------------
1882 - Removed warnings on gcc-2.95.2. 1797 - Removed warnings on gcc-2.95.2.
1883 - Included unit tests field01, field02, field 1798 - Included unit tests field01, field02, field03.
1884 1799
1885 Nov 9th, 2001 J. Apostolakis - field-V03-02- 1800 Nov 9th, 2001 J. Apostolakis - field-V03-02-03
1886 ----------------------------- 1801 -----------------------------
1887 Motivated by the use case of an Electric Fiel 1802 Motivated by the use case of an Electric Field,
1888 - in order to achieve reasonable accuracy in 1803 - in order to achieve reasonable accuracy in time integration,
1889 - and to enable fields that vary with the gl 1804 - and to enable fields that vary with the global time)
1890 we (John Ap. and V. Grichine) changed the fol 1805 we (John Ap. and V. Grichine) changed the following:
1891 1806
1892 - Modified G4Field to allow the time in the G 1807 - Modified G4Field to allow the time in the GetFieldValue method
1893 - as 4th component of the "position" arr 1808 - as 4th component of the "position" array.
1894 1809
1895 - Modified EquationOfMotion to provide the ti 1810 - Modified EquationOfMotion to provide the time to the GetFieldValue method
1896 of G4Field 1811 of G4Field
1897 * as the 4th component of a position / 1812 * as the 4th component of a position / time 4-array
1898 * in place of only position as a 3-arry 1813 * in place of only position as a 3-arry
1899 1814
1900 - Added the global time as variable to be int 1815 - Added the global time as variable to be integrated over in the
1901 case of an Electric Field 1816 case of an Electric Field
1902 1817
1903 Support for these modifications is required i 1818 Support for these modifications is required in G4Transportation.
1904 1819
1905 (Better support will require either 1820 (Better support will require either
1906 - a modification in G4FieldTrack to indicate 1821 - a modification in G4FieldTrack to indicate whether the time has been
1907 integrated or not. 1822 integrated or not.
1908 - or additionally making the time calculatio 1823 - or additionally making the time calculation a property of G4FieldTrack,
1909 bring in code to do it in from G4Transpor 1824 bring in code to do it in from G4Transportation.)
1910 1825
1911 1826
1912 Nov 8th, 2001 J. Apostolakis - field-V03-02 1827 Nov 8th, 2001 J. Apostolakis - field-V03-02-02
1913 ------------------------ 1828 ------------------------
1914 - Introduced several changes in G4MagIntegrat 1829 - Introduced several changes in G4MagIntegratorDriver.
1915 1830
1916 It now respects its minimum driver step si 1831 It now respects its minimum driver step size in AccurateAdvance.
1917 * whereas before it did not. 1832 * whereas before it did not.
1918 1833
1919 Modified maximum number of steps, lowering 1834 Modified maximum number of steps, lowering by factor of 10.
1920 -> it should reduce the time spent integ 1835 -> it should reduce the time spent integrating low energy particles,
1921 in some cases where it is unneccessary. 1836 in some cases where it is unneccessary.
1922 1837
1923 Protected printing of (nearly?) all warnin 1838 Protected printing of (nearly?) all warnings with a G4DEBUG_FIELD #ifdef.
1924 1839
1925 1840
1926 Nov 05th, 2001 G. Cosmo - field-V03-02-01 1841 Nov 05th, 2001 G. Cosmo - field-V03-02-01
1927 ------------------------ 1842 ------------------------
1928 - Fixed trivial warnings on Linux-g++. 1843 - Fixed trivial warnings on Linux-g++.
1929 1844
1930 Aug 27th, 2001 J. Apostolakis - field-V03-02 1845 Aug 27th, 2001 J. Apostolakis - field-V03-02-00
1931 ------------------------------ 1846 ------------------------------
1932 Tagged last change. 1847 Tagged last change.
1933 This tag is utilised in transport-V03-02-01 ( 1848 This tag is utilised in transport-V03-02-01 (which requires it).
1934 1849
1935 Aug 16th, 2001 J. Apostolakis 1850 Aug 16th, 2001 J. Apostolakis
1936 ------------------------------ 1851 ------------------------------
1937 G4ChordFinder: 1852 G4ChordFinder:
1938 Added method to erase/reset the state of the 1853 Added method to erase/reset the state of the StepEstimate.
1939 This is unwanted internal state that was car 1854 This is unwanted internal state that was carried between tracks and
1940 events as a side effect. 1855 events as a side effect.
1941 1856
1942 Calling this at the start of each track, it 1857 Calling this at the start of each track, it is now possible to
1943 eliminate a non-repeatability that was possi 1858 eliminate a non-repeatability that was possible due to this.
1944 ( It has been observed in particular in v 1859 ( It has been observed in particular in vaccuum. )
1945 1860
1946 May 23rd, 2001 J. Apostolakis - field-V03-01 1861 May 23rd, 2001 J. Apostolakis - field-V03-01-02
1947 ------------------------------ 1862 ------------------------------
1948 - Added Exception to G4RKG3Stepper constructo 1863 - Added Exception to G4RKG3Stepper constructor: the class does not work
1949 1864
1950 May 23rd, 2001 J. Apostolakis - field-V03-01 1865 May 23rd, 2001 J. Apostolakis - field-V03-01-01
1951 ------------------------------ 1866 ------------------------------
1952 - Fixed G4FieldManager constructors to give d 1867 - Fixed G4FieldManager constructors to give default values to delta
1953 parameters. 1868 parameters.
1954 1869
1955 - Updated testPropagateSpin (it now compiles) 1870 - Updated testPropagateSpin (it now compiles),
1956 and some outputs of testPropagateMagField 1871 and some outputs of testPropagateMagField (1 to 5)
1957 1872
1958 1873
1959 Apr 12th, 2001 P. Gumplinger - field-V03-01- 1874 Apr 12th, 2001 P. Gumplinger - field-V03-01-00
1960 ----------------------------- 1875 -----------------------------
1961 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEq 1876 - Updated G4Mag_SpinEqRhs.hh and G4Mag_SpinEqRhs.cc for correction
1962 to spin tracking. 1877 to spin tracking.
1963 1878
1964 Apr 04th, 2001 G. Cosmo - field-V03-00-05 1879 Apr 04th, 2001 G. Cosmo - field-V03-00-05
1965 ------------------------ 1880 ------------------------
1966 - G4FieldTrack.icc: fixed pedantic warnings o 1881 - G4FieldTrack.icc: fixed pedantic warnings on Linux-g++.
1967 1882
1968 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1883 Mar 23rd, 2001 J. Apostolakis - field-V03-00-04
1969 ------------------------------ 1884 ------------------------------
1970 - Electric Field unit test now works: test ru 1885 - Electric Field unit test now works: test runs until completion.
1971 Test outputs saved (on Linux). 1886 Test outputs saved (on Linux).
1972 1887
1973 - Fixed src/G4UniformElectricField.cc to set 1888 - Fixed src/G4UniformElectricField.cc to set correct field components
1974 (compat 1889 (compatible with Equation of Motion
1975 G4EqMa 1890 G4EqMagElectricField )
1976 1891
1977 - Tidied G4FieldTrack 1892 - Tidied G4FieldTrack
1978 * deleted obsolete methods Set/Get Momentu 1893 * deleted obsolete methods Set/Get MomentumModulus() and its data member.
1979 * in constructor to set the value of the s 1894 * in constructor to set the value of the spin to (0.0, 0.0, 0.0)
1980 if pSpin is null. (It was undefine 1895 if pSpin is null. (It was undefined.)
1981 1896
1982 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1897 Mar 23rd, 2001 J. Apostolakis - field-V03-00-03
1983 ------------------------------ 1898 ------------------------------
1984 - Fixed (hacked) CashKarp to work using Auxil 1899 - Fixed (hacked) CashKarp to work using Auxiliary Stepper.
1985 1900
1986 - Modified G4MagIntegratorStepper 1901 - Modified G4MagIntegratorStepper
1987 to use pointer to G4EquationOfMotion 1902 to use pointer to G4EquationOfMotion
1988 instead of G4Mag_EqRhs 1903 instead of G4Mag_EqRhs
1989 1904
1990 - Design iteration appears neccessary 1905 - Design iteration appears neccessary
1991 1906
1992 Mar 23rd, 2001 J. Apostolakis - field-V03-00 1907 Mar 23rd, 2001 J. Apostolakis - field-V03-00-02
1993 ------------------------------ 1908 ------------------------------
1994 - Fixed G4MagHelicalStepper::AdvanceHelix for 1909 - Fixed G4MagHelicalStepper::AdvanceHelix for momentum, allowing
1995 the possibility of (correct) use of all H 1910 the possibility of (correct) use of all Helical Steppers.
1996 1911
1997 - test/testProElectroMagField.cc updated for 1912 - test/testProElectroMagField.cc updated for momentum.
1998 (Not yet updated: Spin tests) 1913 (Not yet updated: Spin tests)
1999 1914
2000 1915
2001 Mar 19th, 2001 J. Apostolakis - field-V03-00 1916 Mar 19th, 2001 J. Apostolakis - field-V03-00-01
2002 ------------------------------ 1917 ------------------------------
2003 - Tagging the modification of several classes 1918 - Tagging the modification of several classes to integrate in momentum*c_light
2004 instead of velocity. 1919 instead of velocity.
2005 Reason for change: Velocity integration ca 1920 Reason for change: Velocity integration can result in superluminar
2006 velocities, due to arithmetic inaccuraci 1921 velocities, due to arithmetic inaccuracies.
2007 Classes modified: 1922 Classes modified:
2008 G4FieldTrack, (Changed components 3,4,5 1923 G4FieldTrack, (Changed components 3,4,5 of SixVector to Momentum,
2009 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagEle 1924 G4Mag_EqRhs, G4Mag_UsualEqRhs, G4EqMagElectricField
2010 1925
2011 Feb 20th, 2001 J. Apostolakis 1926 Feb 20th, 2001 J. Apostolakis
2012 1927
2013 - Modified several classes to integrate in mo 1928 - Modified several classes to integrate in momentum instead of velocity.
2014 1929
2015 G4FieldTrack: 1930 G4FieldTrack:
2016 Changed components 3,4,5 of SixVector to 1931 Changed components 3,4,5 of SixVector to Momentum,
2017 Modified constructor 1932 Modified constructor
2018 Added energy calculation to "LoadFromArr 1933 Added energy calculation to "LoadFromArray" method
2019 GetEnergy method is now implemented. 1934 GetEnergy method is now implemented.
2020 Deleted obsolete (old) method names for 1935 Deleted obsolete (old) method names for Curve and Position. New have "Get"
2021 1936
2022 G4ChordFinder 1937 G4ChordFinder
2023 Renamed old-method names of Field Track 1938 Renamed old-method names of Field Track to new ones.
2024 1939
2025 Jan 29th, 2001 G. Cosmo - field-V03-00-00 1940 Jan 29th, 2001 G. Cosmo - field-V03-00-00
2026 ------------------------- 1941 -------------------------
2027 1942
2028 - Minor fix to G4MagneticField.hh: added expl 1943 - Minor fix to G4MagneticField.hh: added explicit call to G4Field() in
2029 copy constructor. Fixes report #205. 1944 copy constructor. Fixes report #205.
2030 1945
2031 Nov 20th, 2000 G. Cosmo - field-V02-00-02 1946 Nov 20th, 2000 G. Cosmo - field-V02-00-02
2032 1947
2033 - Fixes to remove warnings from "-Wall -ansi 1948 - Fixes to remove warnings from "-Wall -ansi -pedantic" g++ compiler options:
2034 o commented out variables declared and not 1949 o commented out variables declared and not used.
2035 o fixed declaration of variables used befor 1950 o fixed declaration of variables used before being initialised.
2036 o fixed order of initialisation of member d 1951 o fixed order of initialisation of member data in constructors.
2037 o fixed usage of unsigned-int (size_t) for 1952 o fixed usage of unsigned-int (size_t) for array indeces.
2038 1953
2039 Nov 9th, 2000 G. Cosmo - field-V02-00-01 1954 Nov 9th, 2000 G. Cosmo - field-V02-00-01
2040 1955
2041 - G4FieldManager: added check on existence of 1956 - G4FieldManager: added check on existence of allocated fChordFinder
2042 in CreateChordFinder(G4MagneticField*) meth 1957 in CreateChordFinder(G4MagneticField*) method.
2043 1958
2044 Nov 1st, 2000 G. Cosmo - field-V02-00-00 1959 Nov 1st, 2000 G. Cosmo - field-V02-00-00
2045 1960
2046 - QA code revision and cleanup (+fixes from C 1961 - QA code revision and cleanup (+fixes from CodeWizard filtering):
2047 o Added (private) declarations of copy cons 1962 o Added (private) declarations of copy constructor and assignment operator
2048 where needed. 1963 where needed.
2049 o Added "const" qualifier to accessor metho 1964 o Added "const" qualifier to accessor methods, wherever needed.
2050 o Added equality check on operator= where n 1965 o Added equality check on operator= where needed.
2051 o Made destructor "virtual" for classes hav 1966 o Made destructor "virtual" for classes having virtual methods,
2052 wherever missing. 1967 wherever missing.
2053 o Changed virtual functions to non-inline w 1968 o Changed virtual functions to non-inline wherever's the case.
2054 o Changed return value to be "const" pointe 1969 o Changed return value to be "const" pointer to functions:
2055 - G4EquationOfMotion::GetFieldObj() 1970 - G4EquationOfMotion::GetFieldObj()
2056 - G4FieldManager::GetDetectorField() 1971 - G4FieldManager::GetDetectorField()
2057 - G4MagIntegratorDriver::GetStepper() 1972 - G4MagIntegratorDriver::GetStepper()
2058 o Fixed and corrected signature to G4MagInt 1973 o Fixed and corrected signature to G4MagIntegratorDriver::SetHmin().
2059 o Added "inline" qualifier to methods' decl 1974 o Added "inline" qualifier to methods' declarations.
2060 o General cosmetics 1975 o General cosmetics
2061 1976
2062 Jun 2nd, 2000 J. Apostolakis 1977 Jun 2nd, 2000 J. Apostolakis
2063 - G4FieldManager[.hh.icc] 1978 - G4FieldManager[.hh.icc]
2064 o Added DeltaIntersection and DeltaOneStep 1979 o Added DeltaIntersection and DeltaOneStep to FieldManager: added
2065 Get/Set methods and SetAccuraciesWithDelt 1980 Get/Set methods and SetAccuraciesWithDeltaOneStep().
2066 1981
2067 May 31st, 2000 J. Apostolakis - field-V01-01 1982 May 31st, 2000 J. Apostolakis - field-V01-01-03
2068 1983
2069 include/G4FieldManager.hh,icc 1984 include/G4FieldManager.hh,icc
2070 o Moved Delta Intersection and Delta One St 1985 o Moved Delta Intersection and Delta One Step to FieldManager
2071 (from Propagator in Field), to allow th 1986 (from Propagator in Field), to allow them to differ over the detector.
2072 1987
2073 May 11th, 2000 J. Apostolakis - field-V01-01 1988 May 11th, 2000 J. Apostolakis - field-V01-01-02
2074 1989
2075 - G4ChordFinder[.hh.cc] 1990 - G4ChordFinder[.hh.cc]
2076 o Modified method for finding new trial ste 1991 o Modified method for finding new trial step.
2077 New method assumes a quadratic relationsh 1992 New method assumes a quadratic relationship between step-length and d_chord:
2078 d_chord proportional to step-l 1993 d_chord proportional to step-lenght ^ 2
2079 o Added two small refinement in order to av 1994 o Added two small refinement in order to avoid unneccesary extra step due to
2080 small numerical inaccuracies in estimatio 1995 small numerical inaccuracies in estimation:
2081 FindNextChord 1996 FindNextChord
2082 to first step use (1-0.001) 1997 to first step use (1-0.001) * last-step-estimate
2083 New Step: 1998 New Step:
2084 to subsequent step use trial_st 1999 to subsequent step use trial_step = 0.98 * estimate
2085 2000
2086 May 10th, 2000 G. Cosmo 2001 May 10th, 2000 G. Cosmo
2087 2002
2088 - G4MagneticField.hh: minor fix to dummy impl 2003 - G4MagneticField.hh: minor fix to dummy implementation of assignment
2089 operator. 2004 operator.
2090 2005
2091 May 9th, 2000 J. Apostolakis - field-V01 2006 May 9th, 2000 J. Apostolakis - field-V01-01-01
2092 2007
2093 - G4MagErrorStepper: 2008 - G4MagErrorStepper:
2094 Modified DistChord to check whether the c 2009 Modified DistChord to check whether the chord endpoint are the same point.
2095 2010
2096 - G4RKG3_Stepper: 2011 - G4RKG3_Stepper:
2097 Deleted error message from StepNoErr, as 2012 Deleted error message from StepNoErr, as it is used in Stepper.
2098 2013
2099 - G4MagIntegratorDriver: 2014 - G4MagIntegratorDriver:
2100 Changed the condition for the debug outpu 2015 Changed the condition for the debug output (~cosmetic)
2101 2016
2102 2017
2103 April 27th, 2000 G. Cosmo 2018 April 27th, 2000 G. Cosmo
2104 2019
2105 - Reorganised comments for the Software Refer 2020 - Reorganised comments for the Software Reference Manual.
2106 - Moved inlined definition to .icc files, whe 2021 - Moved inlined definition to .icc files, where needed.
2107 Created: G4ChordFinder.icc and G4FieldManag 2022 Created: G4ChordFinder.icc and G4FieldManager.icc.
2108 2023
2109 April 13th, 2000 J. Apostolakis - field-V01 2024 April 13th, 2000 J. Apostolakis - field-V01-01-00
2110 2025
2111 - Modified signature to function DumbStepper( 2026 - Modified signature to function DumbStepper() in classes:
2112 G4HelixExplicitEuler, G4HelixHeum, G4HelixI 2027 G4HelixExplicitEuler, G4HelixHeum, G4HelixImplicitEuler,
2113 G4HelixSimpleRunge and G4MagHelicalStepper. 2028 G4HelixSimpleRunge and G4MagHelicalStepper.
2114 - Modified signature and implementation of fu 2029 - Modified signature and implementation of function MagFieldEvaluate()
2115 in G4MagHelicalStepper, to use Field (as Th 2030 in G4MagHelicalStepper, to use Field (as ThreeVector) in place of dydx.
2116 - Made Richardson extrapolation optional (it 2031 - Made Richardson extrapolation optional (it is unclear if
2117 it offers benefit) in G4MagHelicalStepper. 2032 it offers benefit) in G4MagHelicalStepper.
2118 - Updated unit test testPropagateMagField and 2033 - Updated unit test testPropagateMagField and reference output.
2119 - G4LineSection: fixes to prevent divisions b 2034 - G4LineSection: fixes to prevent divisions by 0. and sqrt(<0)
2120 (V.Grichine). 2035 (V.Grichine).
2121 2036
2122 January 19th, 2000 G. Cosmo - field-V01-00 2037 January 19th, 2000 G. Cosmo - field-V01-00-00
2123 2038
2124 Syncronized versioning of files with HEAD aft 2039 Syncronized versioning of files with HEAD after ISO-C++ migration
2125 (essentially CVS header changes). 2040 (essentially CVS header changes).
2126 2041
2127 December 7th, 1999 J. Apostolakis - field- 2042 December 7th, 1999 J. Apostolakis - field-V00-01-01a
2128 2043
2129 For negative or very small curve lengths (h) 2044 For negative or very small curve lengths (h) we suppress writing an error
2130 (about the distance of endpoints being furthe 2045 (about the distance of endpoints being further than the curve length),
2131 as it is meaningless. 2046 as it is meaningless.
2132 2047
2133 November 23rd, 1999 J. Apostolakis - field- 2048 November 23rd, 1999 J. Apostolakis - field-V00-01-01
2134 2049
2135 Tagged this sub-category's state in geometry- 2050 Tagged this sub-category's state in geometry-V00-01-01
2136 2051
2137 2052
2138 July 6th, 1999 J. Apostolakis - field- 2053 July 6th, 1999 J. Apostolakis - field-01-00-07
2139 2054
2140 These fixes and those in field-01-00-06 and f 2055 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 2056 from the need to cope with the imprecision of the integration, and its
2142 interaction with paths that are rather straig 2057 interaction with paths that are rather straight.
2143 2058
2144 G4MagIntegrationDriver: 2059 G4MagIntegrationDriver:
2145 i) AccurateAdvance now that the chord distan 2060 i) AccurateAdvance now that the chord distance is smaller than the curve len-
2146 gth (times 1+epsilon). 2061 gth (times 1+epsilon).
2147 2062
2148 ii) OneGoodStep and QuickAdvance considers th 2063 ii) OneGoodStep and QuickAdvance considers the error of the velocity as well as
2149 the error of the position - and ensure that b 2064 the error of the position - and ensure that both relative errors are within
2150 the "eps" maximum given. 2065 the "eps" maximum given.
2151 2066
2152 G4ChordFinder: 2067 G4ChordFinder:
2153 Having found that the curve_length vs ABdis 2068 Having found that the curve_length vs ABdist disrepancy has its basis in
2154 the imprecision of the integration: 2069 the imprecision of the integration:
2155 i) Modified the exception in this case to h 2070 i) Modified the exception in this case to happen only for very large
2156 relative disrepancies ( 10 * eps ). 2071 relative disrepancies ( 10 * eps ).
2157 ii) Undertaken a default corrective action i 2072 ii) Undertaken a default corrective action in all other cases
2158 Note that this disrepancy only happens for ve 2073 Note that this disrepancy only happens for very straight sections of track -
2159 ie step lengths much smaller than the curvatu 2074 ie step lengths much smaller than the curvature of the track.
2160 2075
2161 July 1st, 1999 J. Apostolakis - field- 2076 July 1st, 1999 J. Apostolakis - field-01-00-06a
2162 2077
2163 In order to cope with the anomalous condition 2078 In order to cope with the anomalous condition created by candidate fix
2164 in G4PropagatorInField, we ensure that the f 2079 in G4PropagatorInField, we ensure that the fraction_AE is always between
2165 0 and 1.0. (giving it a default value of 0.5 2080 0 and 1.0. (giving it a default value of 0.5 whenever it is wrong).
2166 ( in G4ChordFinder::ApproxCurvePointV ) 2081 ( in G4ChordFinder::ApproxCurvePointV )
2167 2082
2168 June 29th, 1999 J. Apostolakis - field- 2083 June 29th, 1999 J. Apostolakis - field-01-00-06
2169 2084
2170 I re-instated a check on whether the input 2085 I re-instated a check on whether the input distance along the curve between
2171 the two input curve points is truly greater t 2086 the two input curve points is truly greater than their linear distance.
2172 ( in G4ChordFinder::ApproxCurvePointV ) 2087 ( in G4ChordFinder::ApproxCurvePointV )
2173 2088
2174 The condition that prints out a warning messa 2089 The condition that prints out a warning message has been altered to
2175 take into account the case of a very small fi 2090 take into account the case of a very small final interval.
2176 ( in G4MagInt_Driver::AccurateAdvance ) 2091 ( in G4MagInt_Driver::AccurateAdvance )
2177 2092
2178 June ??th, 1999 J. Apostolakis - field- 2093 June ??th, 1999 J. Apostolakis - field-01-00-05
2179 2094
2180 The condition that prints out a warning messa 2095 The condition that prints out a warning message was changed to delete
2181 an incorrect comparison. 2096 an incorrect comparison.
2182 ( in G4MagInt_Driver::AccurateAdvance ) 2097 ( in G4MagInt_Driver::AccurateAdvance )
2183 2098
2184 April 19th, 1999 J. Apostolakis - field- 2099 April 19th, 1999 J. Apostolakis - field-01-00-04
2185 2100
2186 G4MagErrorStepper: Cosmetic changes to name o 2101 G4MagErrorStepper: Cosmetic changes to name of data members
2187 2102
2188 March 4th, 1999 J. Apostolakis - field- 2103 March 4th, 1999 J. Apostolakis - field-01-00-03
2189 2104
2190 Corrected delete statement of arrays to use ' 2105 Corrected delete statement of arrays to use 'delete[]' instead of simple delete
2191 in destructors of 2 steppers (G4CashKarpRKF45 2106 in destructors of 2 steppers (G4CashKarpRKF45, G4SimpleHeum)
2192 2107
2193 February 17th, 1999 J. Apostolakis - field 2108 February 17th, 1999 J. Apostolakis - field-01-00-02
2194 2109
2195 Moved G4PropagatorInField files to geometry/ 2110 Moved G4PropagatorInField files to geometry/volumes.
2196 Updated GNUmakefile not to depend on geometr 2111 Updated GNUmakefile not to depend on geometry/volumes anymore.
2197 -> the known circular dependency is remove 2112 -> the known circular dependency is removed
2198 2113
2199 2114
2200 February 12th, 1999 J. Apostolakis - field 2115 February 12th, 1999 J. Apostolakis - field-spin1-works1 (act Feb17)
2201 2116
2202 A tag that contains the first version that 2117 A tag that contains the first version that worked with spin (in Peter G.'s
2203 directory). G4PropagateInSpin is still in t 2118 directory). G4PropagateInSpin is still in this version. A small change
2204 in a branch of the header file was needed. 2119 in a branch of the header file was needed.
2205 2120
2206 2121
2207 February 10th, 1999 J. Apostolakis 2122 February 10th, 1999 J. Apostolakis
2208 2123
2209 All the following changes are needed for ener 2124 All the following changes are needed for energy integration also:
2210 2125
2211 G4ChordFinder now passes to the constructed d 2126 G4ChordFinder now passes to the constructed driver the number of variables.
2212 Because of the need for the stepper to know a 2127 Because of the need for the stepper to know about it in its Abstract interface
2213 2128
2214 -> Moved theNumberOfVariables from derived c 2129 -> Moved theNumberOfVariables from derived class G4MagErrorStepper
2215 to base class 2130 to base class G4MagIntegratorStepper
2216 2131
2217 As a consequense the classes that derived fro 2132 As a consequense the classes that derived from G4MagIntegratorStepper directly
2218 were changed: G4CashKarpRKF45, G4MagHelicalSt 2133 were changed: G4CashKarpRKF45, G4MagHelicalStepper,
2219 2134
2220 2135
2221 February 9th, 1999 J. Apostolakis 2136 February 9th, 1999 J. Apostolakis
2222 2137
2223 Equation of Motion: 2138 Equation of Motion:
2224 G4MagEqRhs.hh Made SetChargeMomentumMass vir 2139 G4MagEqRhs.hh Made SetChargeMomentumMass virtual, so that G4Mag_SpinEqRhs
2225 can initialise its constants 2140 can initialise its constants too.
2226 2141
2227 2142
2228 February 9th, 1999 P. Gumplinger 2143 February 9th, 1999 P. Gumplinger
2229 2144
2230 Added Equation of Motion for Spin in Magnetic 2145 Added Equation of Motion for Spin in Magnetic Field.
2231 2146
2232 2147
2233 February 17th, 1999 J. Apostolakis - fiel 2148 February 17th, 1999 J. Apostolakis - field-01-00-01
2234 ---> date is correct, made sure that tag d 2149 ---> date is correct, made sure that tag does not include above fixes!
2235 2150
2236 Moved G4PropagatorInField files to geometry/ 2151 Moved G4PropagatorInField files to geometry/volumes.
2237 Updated GNUmakefile not to depend on geometr 2152 Updated GNUmakefile not to depend on geometry/volumes anymore.
2238 -> the known circular dependency is remove 2153 -> the known circular dependency is removed
2239 2154
2240 2155
2241 --------------------------------------------- 2156 ---------------------------------------------------------------------------
2242 ------ Geant 4 Production Release - 2157 ------ Geant 4 Production Release ------------
2243 --------------------------------------------- 2158 --------------------------------------------------------------------------
2244 Nov 19th, 1998 J. Apostolakis - field-0 2159 Nov 19th, 1998 J. Apostolakis - field-00-04-01head ===> R+D version only
2245 2160
2246 G4PropagatorInField files modified: 2161 G4PropagatorInField files modified:
2247 2162
2248 - to store the last safety computed and it 2163 - to store the last safety computed and its origin.
2249 - to give them to a requester 2164 - to give them to a requester
2250 --------------------------------------------- 2165 ------------------------------------------------------------------
2251 2166
2252 Nov 19th, 1998 J. Apostolakis - field-0 2167 Nov 19th, 1998 J. Apostolakis - field-00-03-03b
2253 2168
2254 Subtle fix to interface of G4UniformMagField 2169 Subtle fix to interface of G4UniformMagField::GetFieldValue
2255 ( that tripped Visual C++ ) 2170 ( that tripped Visual C++ )
2256 2171
2257 G4PropagatorInField: added printing method 2172 G4PropagatorInField: added printing method for verboseness.
2258 2173
2259 Nov 19th, 1998 J. Apostolakis - field-0 2174 Nov 19th, 1998 J. Apostolakis - field-00-03-03a
2260 2175
2261 Steppers: Fixed instance variables constr 2176 Steppers: Fixed instance variables construction (SimpleRunge)
2262 and clash of names in CashKarp: 2177 and clash of names in CashKarp::StepWithEstimate
2263 2178
2264 Added post-const to all Field classes for 2179 Added post-const to all Field classes for
2265 void GetFieldValue(const G4double 2180 void GetFieldValue(const G4double yTrack[] ,
2266 G4double B[] 2181 G4double B[] ) const ;
2267 2182
2268 Added SetFieldValue methods to UniformMagF 2183 Added SetFieldValue methods to UniformMagField
2269 2184
2270 Added GetConstantFieldValue() methods to U 2185 Added GetConstantFieldValue() methods to Uniform Mag & Electric Fields
2271 2186
2272 2187
2273 Nov 19th, 1998 J. Apostolakis - field-0 2188 Nov 19th, 1998 J. Apostolakis - field-00-03-03
2274 2189
2275 Fixes to Propagate and Steppers 2190 Fixes to Propagate and Steppers
2276 2191
2277 Nov 19th, 1998 J. Apostolakis - field-0 2192 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2278 2193
2279 Minor corrections (???) 2194 Minor corrections (???)
2280 2195
2281 Nov 19th, 1998 J. Apostolakis - field-0 2196 Nov 19th, 1998 J. Apostolakis - field-00-03-02
2282 2197
2283 Major development to allow Electric Field 2198 Major development to allow Electric Field
2284 2199
2285 2200
2286 2201
2287 June 17th, 1998 J. Apostolakis - magfiel 2202 June 17th, 1998 J. Apostolakis - magfield-06-03
2288 2203
2289 Modified Files: 2204 Modified Files:
2290 include/G4PropagatorInField.hh 2205 include/G4PropagatorInField.hh
2291 src/G4PropagatorInField.cc 2206 src/G4PropagatorInField.cc
2292 test/testPropagateInField.cc 2207 test/testPropagateInField.cc
2293 --------------------------------------------- 2208 ----------------------------------------------------------------------
2294 2209
2295 1) Added an assertion after each call to Lo 2210 1) Added an assertion after each call to LocateGlobalPointAndSetup.
2296 It checks that the located volume is equ 2211 It checks that the located volume is equal to the current volume.
2297 If this check fails, the Propagator does 2212 If this check fails, the Propagator does not know how to continue.
2298 2213
2299 2) Added an argument to ComputeStep method 2214 2) Added an argument to ComputeStep method of G4PropagatorInField.
2300 The new volume argument is used to check th 2215 The new volume argument is used to check the current volume during the step.
2301 2216
2302 3) When G4Navigator's ComputeStep returned 2217 3) When G4Navigator's ComputeStep returned stepLength==stepRequested, this
2303 used to be treated as a failure to intersect. 2218 used to be treated as a failure to intersect. This is incorrect.
2304 2219
2305 stepLength==stepRequested is an intersect 2220 stepLength==stepRequested is an intersection,
2306 so I am now treating it as such in each 2221 so I am now treating it as such in each comparison (of 3).
2307 Ignoring it causes problems, including 2222 Ignoring it causes problems, including volume being skipped.
2308 --> but treating it as an intersection 2223 --> but treating it as an intersection used to cause problems too ??
2309 2224
2310 2225
2311 May 7th, 1998 J. Apostolakis - magfie 2226 May 7th, 1998 J. Apostolakis - magfield-06-02-helix01
2312 2227
2313 - Tag includes new version of G4ChordFinder ( 2228 - Tag includes new version of G4ChordFinder (not used by W.Wander).
2314 2229
2315 2230
2316 May 7th, 1998 W. Wander (recorded/c 2231 May 7th, 1998 W. Wander (recorded/commited by J. Apostolakis)
2317 2232
2318 - New "helical" RK steppers that move in heli 2233 - New "helical" RK steppers that move in helical segments, not linear.
2319 * Several changes to add steppers 2234 * Several changes to add steppers
2320 2235
2321 Modified Files: 2236 Modified Files:
2322 G4MagErrorStepper.hh 2237 G4MagErrorStepper.hh
2323 G4MagErrorStepper.cc 2238 G4MagErrorStepper.cc
2324 added Helical stepping methods to 2239 added Helical stepping methods to this general ABC.
2325 2240
2326 G4MagIntegratorStepper.hh 2241 G4MagIntegratorStepper.hh
2327 made RightHandSide virtual (this 2242 made RightHandSide virtual (this will be reversed very soon)
2328 2243
2329 testPropagateMagField.cc 2244 testPropagateMagField.cc
2330 Test of Helical stepping functiona 2245 Test of Helical stepping functionality added.
2331 2246
2332 Added Files for new Helical RK steppers, der 2247 Added Files for new Helical RK steppers, deriving from G4MagErrorStepper:
2333 G4HelixExplicitEuler.cc ( and .hh ) 2248 G4HelixExplicitEuler.cc ( and .hh )
2334 G4HelixHeum.cc 2249 G4HelixHeum.cc
2335 G4HelixImplicitEuler.cc 2250 G4HelixImplicitEuler.cc
2336 G4HelixSimpleRunge.cc 2251 G4HelixSimpleRunge.cc
2337 2252
2338 Added File for implementation: 2253 Added File for implementation:
2339 G4MagErrorStepper.icc 2254 G4MagErrorStepper.icc
2340 2255
2341 2256
2342 May 7th, 1998 J. Apostolakis - magfi 2257 May 7th, 1998 J. Apostolakis - magfield-06-01
2343 2258
2344 - added small changes to 2259 - added small changes to
2345 * G4ChordFinder: methods to get 2260 * G4ChordFinder: methods to get/set IntegratorDriver
2346 * G4MagIntegratorDriver: made OneGoodSt 2261 * G4MagIntegratorDriver: made OneGoodStep method public
2347 - created the file. 2262 - created the file.