xref: /petsc/include/petscts.h (revision 55e7fe800d976e85ed2b5cd8bfdef564daa37bd9)
1 /*
2    User interface for the timestepping package. This package
3    is for use in solving time-dependent PDEs.
4 */
5 #if !defined(__PETSCTS_H)
6 #define __PETSCTS_H
7 #include <petscsnes.h>
8 
9 /*S
10      TS - Abstract PETSc object that manages all time-steppers (ODE integrators)
11 
12    Level: beginner
13 
14   Concepts: ODE solvers
15 
16 .seealso:  TSCreate(), TSSetType(), TSType, SNES, KSP, PC, TSDestroy()
17 S*/
18 typedef struct _p_TS* TS;
19 
20 /*J
21     TSType - String with the name of a PETSc TS method.
22 
23    Level: beginner
24 
25 .seealso: TSSetType(), TS, TSRegister()
26 J*/
27 typedef const char* TSType;
28 #define TSEULER           "euler"
29 #define TSBEULER          "beuler"
30 #define TSBASICSYMPLECTIC "basicsymplectic"
31 #define TSPSEUDO          "pseudo"
32 #define TSCN              "cn"
33 #define TSSUNDIALS        "sundials"
34 #define TSRK              "rk"
35 #define TSPYTHON          "python"
36 #define TSTHETA           "theta"
37 #define TSALPHA           "alpha"
38 #define TSALPHA2          "alpha2"
39 #define TSGLLE            "glle"
40 #define TSGLEE            "glee"
41 #define TSSSP             "ssp"
42 #define TSARKIMEX         "arkimex"
43 #define TSROSW            "rosw"
44 #define TSEIMEX           "eimex"
45 #define TSMIMEX           "mimex"
46 #define TSBDF             "bdf"
47 #define TSRADAU5          "radau5"
48 
49 /*E
50     TSProblemType - Determines the type of problem this TS object is to be used to solve
51 
52    Level: beginner
53 
54 .seealso: TSCreate()
55 E*/
56 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType;
57 
58 /*E
59    TSEquationType - type of TS problem that is solved
60 
61    Level: beginner
62 
63    Developer Notes:
64     this must match petsc/finclude/petscts.h
65 
66    Supported types are:
67      TS_EQ_UNSPECIFIED (default)
68      TS_EQ_EXPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) := M(t) U_t - G(U,t) = 0
69      TS_EQ_IMPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) = 0
70 
71 .seealso: TSGetEquationType(), TSSetEquationType()
72 E*/
73 typedef enum {
74   TS_EQ_UNSPECIFIED               = -1,
75   TS_EQ_EXPLICIT                  = 0,
76   TS_EQ_ODE_EXPLICIT              = 1,
77   TS_EQ_DAE_SEMI_EXPLICIT_INDEX1  = 100,
78   TS_EQ_DAE_SEMI_EXPLICIT_INDEX2  = 200,
79   TS_EQ_DAE_SEMI_EXPLICIT_INDEX3  = 300,
80   TS_EQ_DAE_SEMI_EXPLICIT_INDEXHI = 500,
81   TS_EQ_IMPLICIT                  = 1000,
82   TS_EQ_ODE_IMPLICIT              = 1001,
83   TS_EQ_DAE_IMPLICIT_INDEX1       = 1100,
84   TS_EQ_DAE_IMPLICIT_INDEX2       = 1200,
85   TS_EQ_DAE_IMPLICIT_INDEX3       = 1300,
86   TS_EQ_DAE_IMPLICIT_INDEXHI      = 1500
87 } TSEquationType;
88 PETSC_EXTERN const char *const*TSEquationTypes;
89 
90 /*E
91    TSConvergedReason - reason a TS method has converged or not
92 
93    Level: beginner
94 
95    Developer Notes:
96     this must match petsc/finclude/petscts.h
97 
98    Each reason has its own manual page.
99 
100 .seealso: TSGetConvergedReason()
101 E*/
102 typedef enum {
103   TS_CONVERGED_ITERATING      = 0,
104   TS_CONVERGED_TIME           = 1,
105   TS_CONVERGED_ITS            = 2,
106   TS_CONVERGED_USER           = 3,
107   TS_CONVERGED_EVENT          = 4,
108   TS_CONVERGED_PSEUDO_FATOL   = 5,
109   TS_CONVERGED_PSEUDO_FRTOL   = 6,
110   TS_DIVERGED_NONLINEAR_SOLVE = -1,
111   TS_DIVERGED_STEP_REJECTED   = -2
112 } TSConvergedReason;
113 PETSC_EXTERN const char *const*TSConvergedReasons;
114 
115 /*MC
116    TS_CONVERGED_ITERATING - this only occurs if TSGetConvergedReason() is called during the TSSolve()
117 
118    Level: beginner
119 
120 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
121 M*/
122 
123 /*MC
124    TS_CONVERGED_TIME - the final time was reached
125 
126    Level: beginner
127 
128 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxTime(), TSGetMaxTime(), TSGetSolveTime()
129 M*/
130 
131 /*MC
132    TS_CONVERGED_ITS - the maximum number of iterations (time-steps) was reached prior to the final time
133 
134    Level: beginner
135 
136 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxSteps(), TSGetMaxSteps()
137 M*/
138 
139 /*MC
140    TS_CONVERGED_USER - user requested termination
141 
142    Level: beginner
143 
144 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason()
145 M*/
146 
147 /*MC
148    TS_CONVERGED_EVENT - user requested termination on event detection
149 
150    Level: beginner
151 
152 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason()
153 M*/
154 
155 /*MC
156    TS_CONVERGED_PSEUDO_FRTOL - stops when function norm decreased by a set amount, used only for TSPSEUDO
157 
158    Level: beginner
159 
160    Options Database:
161 .   -ts_pseudo_frtol <rtol>
162 
163 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TS_CONVERGED_PSEUDO_FATOL
164 M*/
165 
166 /*MC
167    TS_CONVERGED_PSEUDO_FATOL - stops when function norm decreases below a set amount, used only for TSPSEUDO
168 
169    Level: beginner
170 
171    Options Database:
172 .   -ts_pseudo_fatol <atol>
173 
174 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TS_CONVERGED_PSEUDO_FRTOL
175 M*/
176 
177 /*MC
178    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed
179 
180    Level: beginner
181 
182    Notes:
183     See TSSetMaxSNESFailures() for how to allow more nonlinear solver failures.
184 
185 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSGetSNES(), SNESGetConvergedReason(), TSSetMaxSNESFailures()
186 M*/
187 
188 /*MC
189    TS_DIVERGED_STEP_REJECTED - too many steps were rejected
190 
191    Level: beginner
192 
193    Notes:
194     See TSSetMaxStepRejections() for how to allow more step rejections.
195 
196 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxStepRejections()
197 M*/
198 
199 /*E
200    TSExactFinalTimeOption - option for handling of final time step
201 
202    Level: beginner
203 
204    Developer Notes:
205     this must match petsc/finclude/petscts.h
206 
207 $  TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
208 $  TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
209 $  TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time
210 
211 .seealso: TSGetConvergedReason(), TSSetExactFinalTime(), TSGetExactFinalTime()
212 
213 E*/
214 typedef enum {TS_EXACTFINALTIME_UNSPECIFIED=0,TS_EXACTFINALTIME_STEPOVER=1,TS_EXACTFINALTIME_INTERPOLATE=2,TS_EXACTFINALTIME_MATCHSTEP=3} TSExactFinalTimeOption;
215 PETSC_EXTERN const char *const TSExactFinalTimeOptions[];
216 
217 /* Logging support */
218 PETSC_EXTERN PetscClassId TS_CLASSID;
219 PETSC_EXTERN PetscClassId DMTS_CLASSID;
220 PETSC_EXTERN PetscClassId TSADAPT_CLASSID;
221 
222 PETSC_EXTERN PetscErrorCode TSInitializePackage(void);
223 PETSC_EXTERN PetscErrorCode TSFinalizePackage(void);
224 
225 PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm,TS*);
226 PETSC_EXTERN PetscErrorCode TSClone(TS,TS*);
227 PETSC_EXTERN PetscErrorCode TSDestroy(TS*);
228 
229 PETSC_EXTERN PetscErrorCode TSSetProblemType(TS,TSProblemType);
230 PETSC_EXTERN PetscErrorCode TSGetProblemType(TS,TSProblemType*);
231 PETSC_EXTERN PetscErrorCode TSMonitor(TS,PetscInt,PetscReal,Vec);
232 PETSC_EXTERN PetscErrorCode TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
233 PETSC_EXTERN PetscErrorCode TSMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));
234 PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);
235 
236 PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS,const char[]);
237 PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS,const char[]);
238 PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS,const char *[]);
239 PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
240 PETSC_EXTERN PetscErrorCode TSSetUp(TS);
241 PETSC_EXTERN PetscErrorCode TSReset(TS);
242 
243 PETSC_EXTERN PetscErrorCode TSSetSolution(TS,Vec);
244 PETSC_EXTERN PetscErrorCode TSGetSolution(TS,Vec*);
245 
246 PETSC_EXTERN PetscErrorCode TS2SetSolution(TS,Vec,Vec);
247 PETSC_EXTERN PetscErrorCode TS2GetSolution(TS,Vec*,Vec*);
248 
249 PETSC_EXTERN PetscErrorCode TSGetSolutionComponents(TS,PetscInt*,Vec*);
250 PETSC_EXTERN PetscErrorCode TSGetAuxSolution(TS,Vec*);
251 PETSC_EXTERN PetscErrorCode TSGetTimeError(TS,PetscInt,Vec*);
252 PETSC_EXTERN PetscErrorCode TSSetTimeError(TS,Vec);
253 
254 PETSC_EXTERN PetscErrorCode TSSetRHSJacobianP(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
255 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianP(TS,PetscReal,Vec,Mat);
256 PETSC_EXTERN PetscErrorCode TSComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
257 PETSC_EXTERN PetscErrorCode TSComputeDRDYFunction(TS,PetscReal,Vec,Vec*);
258 
259 /*S
260      TSTrajectory - Abstract PETSc object that stores the trajectory (solution of ODE/DAE at each time step)
261 
262    Level: advanced
263 
264   Concepts: ODE solvers, trajectory
265 
266 .seealso:  TSSetSaveTrajectory(), TSTrajectoryCreate(), TSTrajectorySetType(), TSTrajectoryDestroy(), TSTrajectoryReset()
267 S*/
268 typedef struct _p_TSTrajectory* TSTrajectory;
269 
270 /*J
271     TSTrajectorySetType - String with the name of a PETSc TS trajectory storage method
272 
273    Level: intermediate
274 
275 .seealso:  TSSetSaveTrajectory(), TSTrajectoryCreate(), TSTrajectoryDestroy()
276 J*/
277 typedef const char* TSTrajectoryType;
278 #define TSTRAJECTORYBASIC         "basic"
279 #define TSTRAJECTORYSINGLEFILE    "singlefile"
280 #define TSTRAJECTORYMEMORY        "memory"
281 #define TSTRAJECTORYVISUALIZATION "visualization"
282 
283 PETSC_EXTERN PetscFunctionList TSTrajectoryList;
284 PETSC_EXTERN PetscClassId      TSTRAJECTORY_CLASSID;
285 PETSC_EXTERN PetscBool         TSTrajectoryRegisterAllCalled;
286 
287 PETSC_EXTERN PetscErrorCode TSSetSaveTrajectory(TS);
288 PETSC_EXTERN PetscErrorCode TSResetTrajectory(TS);
289 
290 PETSC_EXTERN PetscErrorCode TSTrajectoryCreate(MPI_Comm,TSTrajectory*);
291 PETSC_EXTERN PetscErrorCode TSTrajectoryReset(TSTrajectory);
292 PETSC_EXTERN PetscErrorCode TSTrajectoryDestroy(TSTrajectory*);
293 PETSC_EXTERN PetscErrorCode TSTrajectoryView(TSTrajectory,PetscViewer);
294 PETSC_EXTERN PetscErrorCode TSTrajectorySetType(TSTrajectory,TS,TSTrajectoryType);
295 PETSC_EXTERN PetscErrorCode TSTrajectorySet(TSTrajectory,TS,PetscInt,PetscReal,Vec);
296 PETSC_EXTERN PetscErrorCode TSTrajectoryGet(TSTrajectory,TS,PetscInt,PetscReal*);
297 PETSC_EXTERN PetscErrorCode TSTrajectoryGetVecs(TSTrajectory,TS,PetscInt,PetscReal*,Vec,Vec);
298 PETSC_EXTERN PetscErrorCode TSTrajectoryGetUpdatedHistoryVecs(TSTrajectory,TS,PetscReal,Vec*,Vec*);
299 PETSC_EXTERN PetscErrorCode TSTrajectoryGetNumSteps(TSTrajectory,PetscInt*);
300 PETSC_EXTERN PetscErrorCode TSTrajectoryRestoreUpdatedHistoryVecs(TSTrajectory,Vec*,Vec*);
301 PETSC_EXTERN PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory,TS);
302 PETSC_EXTERN PetscErrorCode TSTrajectoryRegister(const char[],PetscErrorCode (*)(TSTrajectory,TS));
303 PETSC_EXTERN PetscErrorCode TSTrajectoryRegisterAll(void);
304 PETSC_EXTERN PetscErrorCode TSTrajectorySetUp(TSTrajectory,TS);
305 PETSC_EXTERN PetscErrorCode TSTrajectorySetMonitor(TSTrajectory,PetscBool);
306 PETSC_EXTERN PetscErrorCode TSTrajectorySetVariableNames(TSTrajectory,const char * const*);
307 PETSC_EXTERN PetscErrorCode TSTrajectorySetTransform(TSTrajectory,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
308 PETSC_EXTERN PetscErrorCode TSTrajectorySetSolutionOnly(TSTrajectory,PetscBool);
309 PETSC_EXTERN PetscErrorCode TSTrajectoryGetSolutionOnly(TSTrajectory,PetscBool*);
310 PETSC_EXTERN PetscErrorCode TSTrajectorySetKeepFiles(TSTrajectory,PetscBool);
311 PETSC_EXTERN PetscErrorCode TSTrajectorySetDirname(TSTrajectory,const char[]);
312 PETSC_EXTERN PetscErrorCode TSTrajectorySetFiletemplate(TSTrajectory,const char[]);
313 PETSC_EXTERN PetscErrorCode TSGetTrajectory(TS,TSTrajectory*);
314 
315 PETSC_EXTERN PetscErrorCode TSSetCostGradients(TS,PetscInt,Vec*,Vec*);
316 PETSC_EXTERN PetscErrorCode TSGetCostGradients(TS,PetscInt*,Vec**,Vec**);
317 PETSC_EXTERN PetscErrorCode TSSetCostIntegrand(TS,PetscInt,Vec,PetscErrorCode (*)(TS,PetscReal,Vec,Vec,void*),PetscErrorCode (*)(TS,PetscReal,Vec,Vec*,void*),PetscErrorCode (*)(TS,PetscReal,Vec,Vec*,void*),PetscBool,void*);
318 PETSC_EXTERN PetscErrorCode TSGetCostIntegral(TS,Vec*);
319 PETSC_EXTERN PetscErrorCode TSComputeCostIntegrand(TS,PetscReal,Vec,Vec);
320 
321 PETSC_EXTERN PetscErrorCode TSAdjointSetFromOptions(PetscOptionItems*,TS);
322 PETSC_EXTERN PetscErrorCode TSAdjointMonitor(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*);
323 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*),void *,PetscErrorCode (*)(void**));
324 PETSC_EXTERN PetscErrorCode TSAdjointMonitorCancel(TS);
325 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));
326 
327 PETSC_EXTERN PetscErrorCode TSAdjointSetRHSJacobian(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
328 PETSC_EXTERN PetscErrorCode TSAdjointSolve(TS);
329 PETSC_EXTERN PetscErrorCode TSAdjointSetSteps(TS,PetscInt);
330 
331 PETSC_EXTERN PetscErrorCode TSAdjointComputeRHSJacobian(TS,PetscReal,Vec,Mat);
332 PETSC_EXTERN PetscErrorCode TSAdjointStep(TS);
333 PETSC_EXTERN PetscErrorCode TSAdjointSetUp(TS);
334 PETSC_EXTERN PetscErrorCode TSAdjointComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
335 PETSC_EXTERN PetscErrorCode TSAdjointComputeDRDYFunction(TS,PetscReal,Vec,Vec*);
336 PETSC_EXTERN PetscErrorCode TSAdjointCostIntegral(TS);
337 
338 PETSC_EXTERN PetscErrorCode TSForwardSetSensitivities(TS,PetscInt,Mat);
339 PETSC_EXTERN PetscErrorCode TSForwardGetSensitivities(TS,PetscInt*,Mat*);
340 PETSC_EXTERN PetscErrorCode TSForwardSetIntegralGradients(TS,PetscInt,Vec *);
341 PETSC_EXTERN PetscErrorCode TSForwardGetIntegralGradients(TS,PetscInt*,Vec **);
342 PETSC_EXTERN PetscErrorCode TSForwardSetRHSJacobianP(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,void*),void*);
343 PETSC_EXTERN PetscErrorCode TSForwardComputeRHSJacobianP(TS,PetscReal,Vec,Vec*);
344 PETSC_EXTERN PetscErrorCode TSForwardSetUp(TS);
345 PETSC_EXTERN PetscErrorCode TSForwardCostIntegral(TS);
346 PETSC_EXTERN PetscErrorCode TSForwardStep(TS);
347 
348 PETSC_EXTERN PetscErrorCode TSSetMaxSteps(TS,PetscInt);
349 PETSC_EXTERN PetscErrorCode TSGetMaxSteps(TS,PetscInt*);
350 PETSC_EXTERN PetscErrorCode TSSetMaxTime(TS,PetscReal);
351 PETSC_EXTERN PetscErrorCode TSGetMaxTime(TS,PetscReal*);
352 PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS,TSExactFinalTimeOption);
353 PETSC_EXTERN PetscErrorCode TSGetExactFinalTime(TS,TSExactFinalTimeOption*);
354 
355 PETSC_EXTERN PETSC_DEPRECATED("Use TSSetTime[Step]")      PetscErrorCode TSSetInitialTimeStep(TS,PetscReal,PetscReal);
356 PETSC_EXTERN PETSC_DEPRECATED("Use TSSetMax{Steps|Time}") PetscErrorCode TSSetDuration(TS,PetscInt,PetscReal);
357 PETSC_EXTERN PETSC_DEPRECATED("Use TSGetMax{Steps|Time}") PetscErrorCode TSGetDuration(TS,PetscInt*,PetscReal*);
358 PETSC_EXTERN PETSC_DEPRECATED("Use TSGetStepNumber")      PetscErrorCode TSGetTimeStepNumber(TS,PetscInt*);
359 PETSC_EXTERN PETSC_DEPRECATED("Use TSGetStepNumber")      PetscErrorCode TSGetTotalSteps(TS,PetscInt*);
360 
361 PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
362 PETSC_EXTERN PetscErrorCode TSMonitorExtreme(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
363 
364 typedef struct _n_TSMonitorDrawCtx*  TSMonitorDrawCtx;
365 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorDrawCtx *);
366 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx*);
367 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS,PetscInt,PetscReal,Vec,void*);
368 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionPhase(TS,PetscInt,PetscReal,Vec,void*);
369 PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS,PetscInt,PetscReal,Vec,void*);
370 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionFunction(TS,PetscInt,PetscReal,Vec,void*);
371 
372 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat *);
373 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDrawSensi(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*);
374 
375 PETSC_EXTERN PetscErrorCode TSMonitorSolution(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
376 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS,PetscInt,PetscReal,Vec,void*);
377 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void*);
378 
379 PETSC_EXTERN PetscErrorCode TSStep(TS);
380 PETSC_EXTERN PetscErrorCode TSEvaluateWLTE(TS,NormType,PetscInt*,PetscReal*);
381 PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS,PetscInt,Vec,PetscBool*);
382 PETSC_EXTERN PetscErrorCode TSSolve(TS,Vec);
383 PETSC_EXTERN PetscErrorCode TSGetEquationType(TS,TSEquationType*);
384 PETSC_EXTERN PetscErrorCode TSSetEquationType(TS,TSEquationType);
385 PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS,TSConvergedReason*);
386 PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS,TSConvergedReason);
387 PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS,PetscReal*);
388 PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS,PetscInt*);
389 PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS,PetscInt*);
390 PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS,PetscInt*);
391 PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS,PetscInt);
392 PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS,PetscInt*);
393 PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS,PetscInt);
394 PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS,PetscBool);
395 PETSC_EXTERN PetscErrorCode TSRestartStep(TS);
396 PETSC_EXTERN PetscErrorCode TSRollBack(TS);
397 
398 PETSC_EXTERN PetscErrorCode TSGetStages(TS,PetscInt*,Vec**);
399 
400 PETSC_EXTERN PetscErrorCode TSGetTime(TS,PetscReal*);
401 PETSC_EXTERN PetscErrorCode TSSetTime(TS,PetscReal);
402 PETSC_EXTERN PetscErrorCode TSGetPrevTime(TS,PetscReal*);
403 PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS,PetscReal*);
404 PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS,PetscReal);
405 PETSC_EXTERN PetscErrorCode TSGetStepNumber(TS,PetscInt*);
406 PETSC_EXTERN PetscErrorCode TSSetStepNumber(TS,PetscInt);
407 
408 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
409 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat,Mat,void*);
410 PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
411 PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
412 PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
413 PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
414 PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS,PetscBool);
415 
416 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS,PetscReal,Vec,void*);
417 PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS,TSSolutionFunction,void*);
418 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSForcingFunction)(TS,PetscReal,Vec,void*);
419 PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS,TSForcingFunction,void*);
420 
421 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
422 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
423 PETSC_EXTERN PetscErrorCode TSSetIFunction(TS,Vec,TSIFunction,void*);
424 PETSC_EXTERN PetscErrorCode TSGetIFunction(TS,Vec*,TSIFunction*,void**);
425 PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
426 PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);
427 
428 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Function)(TS,PetscReal,Vec,Vec,Vec,Vec,void*);
429 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Jacobian)(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat,void*);
430 PETSC_EXTERN PetscErrorCode TSSetI2Function(TS,Vec,TSI2Function,void*);
431 PETSC_EXTERN PetscErrorCode TSGetI2Function(TS,Vec*,TSI2Function*,void**);
432 PETSC_EXTERN PetscErrorCode TSSetI2Jacobian(TS,Mat,Mat,TSI2Jacobian,void*);
433 PETSC_EXTERN PetscErrorCode TSGetI2Jacobian(TS,Mat*,Mat*,TSI2Jacobian*,void**);
434 
435 PETSC_EXTERN PetscErrorCode TSRHSSplitSetIS(TS,const char[],IS);
436 PETSC_EXTERN PetscErrorCode TSRHSSplitGetIS(TS,const char[],IS*);
437 PETSC_EXTERN PetscErrorCode TSRHSSplitSetRHSFunction(TS,const char[],Vec,TSRHSFunction,void*);
438 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTS(TS,const char[],TS*);
439 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTSs(TS,PetscInt*,TS*[]);
440 
441 PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
442 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat,Mat,void*);
443 PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
444 PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
445 PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS,PetscReal,Vec);
446 PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS,PetscReal,Vec);
447 PETSC_EXTERN PetscErrorCode TSComputeIJacobianDefaultColor(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
448 
449 PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
450 PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS,PetscReal));
451 PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS,PetscReal,PetscInt,Vec*));
452 PETSC_EXTERN PetscErrorCode TSSetPostEvaluate(TS, PetscErrorCode(*)(TS));
453 PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
454 PETSC_EXTERN PetscErrorCode TSPreStep(TS);
455 PETSC_EXTERN PetscErrorCode TSPreStage(TS,PetscReal);
456 PETSC_EXTERN PetscErrorCode TSPostStage(TS,PetscReal,PetscInt,Vec*);
457 PETSC_EXTERN PetscErrorCode TSPostEvaluate(TS);
458 PETSC_EXTERN PetscErrorCode TSPostStep(TS);
459 PETSC_EXTERN PetscErrorCode TSInterpolate(TS,PetscReal,Vec);
460 PETSC_EXTERN PetscErrorCode TSSetTolerances(TS,PetscReal,Vec,PetscReal,Vec);
461 PETSC_EXTERN PetscErrorCode TSGetTolerances(TS,PetscReal*,Vec*,PetscReal*,Vec*);
462 PETSC_EXTERN PetscErrorCode TSErrorWeightedNormInfinity(TS,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
463 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm2(TS,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
464 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm(TS,Vec,Vec,NormType,PetscReal*,PetscReal*,PetscReal*);
465 PETSC_EXTERN PetscErrorCode TSErrorWeightedENormInfinity(TS,Vec,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
466 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm2(TS,Vec,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
467 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm(TS,Vec,Vec,Vec,NormType,PetscReal*,PetscReal*,PetscReal*);
468 PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS,PetscReal);
469 PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS,PetscReal*);
470 PETSC_EXTERN PetscErrorCode TSSetFunctionDomainError(TS, PetscErrorCode (*)(TS,PetscReal,Vec,PetscBool*));
471 PETSC_EXTERN PetscErrorCode TSFunctionDomainError(TS,PetscReal,Vec,PetscBool*);
472 
473 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
474 PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS,PetscReal*,void*);
475 PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS,PetscReal *);
476 PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS,PetscReal);
477 PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
478 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS,Vec,void*,PetscReal*,PetscBool *);
479 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
480 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS,PetscReal);
481 PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);
482 
483 PETSC_EXTERN PetscErrorCode TSPythonSetType(TS,const char[]);
484 
485 PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
486 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS,PetscReal,Vec,Mat,Mat);
487 PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
488 PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,PetscBool);
489 PETSC_EXTERN PetscErrorCode TSComputeI2Function(TS,PetscReal,Vec,Vec,Vec,Vec);
490 PETSC_EXTERN PetscErrorCode TSComputeI2Jacobian(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat);
491 PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS,PetscReal,PetscReal,PetscReal*,PetscReal*);
492 
493 PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS,Vec,Vec);
494 
495 PETSC_EXTERN PetscErrorCode DMTSSetBoundaryLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *);
496 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM,TSRHSFunction,void*);
497 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM,TSRHSFunction*,void**);
498 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM,TSRHSJacobian,void*);
499 PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM,TSRHSJacobian*,void**);
500 PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM,TSIFunction,void*);
501 PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM,TSIFunction*,void**);
502 PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM,TSIJacobian,void*);
503 PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM,TSIJacobian*,void**);
504 PETSC_EXTERN PetscErrorCode DMTSSetI2Function(DM,TSI2Function,void*);
505 PETSC_EXTERN PetscErrorCode DMTSGetI2Function(DM,TSI2Function*,void**);
506 PETSC_EXTERN PetscErrorCode DMTSSetI2Jacobian(DM,TSI2Jacobian,void*);
507 PETSC_EXTERN PetscErrorCode DMTSGetI2Jacobian(DM,TSI2Jacobian*,void**);
508 
509 PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM,TSSolutionFunction,void*);
510 PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM,TSSolutionFunction*,void**);
511 PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM,TSForcingFunction,void*);
512 PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM,TSForcingFunction*,void**);
513 PETSC_EXTERN PetscErrorCode DMTSGetMinRadius(DM,PetscReal*);
514 PETSC_EXTERN PetscErrorCode DMTSSetMinRadius(DM,PetscReal);
515 PETSC_EXTERN PetscErrorCode DMTSCheckFromOptions(TS, Vec, PetscErrorCode (**)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar *, void *), void **);
516 
517 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,Vec,void*),void*);
518 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*),void*);
519 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,void*),void*);
520 
521 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
522 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
523 
524 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*);
525 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*);
526 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*);
527 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*);
528 
529 PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*),void *);
530 PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*),void *);
531 PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*),void *);
532 PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*),void *);
533 
534 PETSC_EXTERN PetscErrorCode DMPlexTSGetGeometryFVM(DM,Vec*,Vec*,PetscReal*);
535 PETSC_EXTERN PetscErrorCode DMPlexTSGetGradientDM(DM,PetscFV,DM*);
536 
537 typedef struct _n_TSMonitorLGCtx*  TSMonitorLGCtx;
538 typedef struct {
539   Vec            ray;
540   VecScatter     scatter;
541   PetscViewer    viewer;
542   TSMonitorLGCtx lgctx;
543 } TSMonitorDMDARayCtx;
544 PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void**);
545 PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS,PetscInt,PetscReal,Vec,void*);
546 PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS,PetscInt,PetscReal,Vec,void*);
547 
548 /* Dynamic creation and loading functions */
549 PETSC_EXTERN PetscFunctionList TSList;
550 PETSC_EXTERN PetscErrorCode TSGetType(TS,TSType*);
551 PETSC_EXTERN PetscErrorCode TSSetType(TS,TSType);
552 PETSC_EXTERN PetscErrorCode TSRegister(const char[], PetscErrorCode (*)(TS));
553 
554 PETSC_EXTERN PetscErrorCode TSGetSNES(TS,SNES*);
555 PETSC_EXTERN PetscErrorCode TSSetSNES(TS,SNES);
556 PETSC_EXTERN PetscErrorCode TSGetKSP(TS,KSP*);
557 
558 PETSC_EXTERN PetscErrorCode TSView(TS,PetscViewer);
559 PETSC_EXTERN PetscErrorCode TSLoad(TS,PetscViewer);
560 PETSC_STATIC_INLINE PetscErrorCode TSViewFromOptions(TS A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
561 PETSC_STATIC_INLINE PetscErrorCode TSTrajectoryViewFromOptions(TSTrajectory A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
562 
563 #define TS_FILE_CLASSID 1211225
564 
565 PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS,void *);
566 PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS,void *);
567 
568 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtx *);
569 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx*);
570 PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS,PetscInt,PetscReal,Vec,void *);
571 PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS,PetscInt,PetscReal,Vec,void *);
572 PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS,const char * const*);
573 PETSC_EXTERN PetscErrorCode TSMonitorLGGetVariableNames(TS,const char *const **);
574 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetVariableNames(TSMonitorLGCtx,const char * const *);
575 PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS,const char * const*);
576 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetDisplayVariables(TSMonitorLGCtx,const char * const*);
577 PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
578 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetTransform(TSMonitorLGCtx,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void *);
579 PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS,PetscInt,PetscReal,Vec,void *);
580 PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS,PetscInt,PetscReal,Vec,void *);
581 PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS,PetscInt,PetscReal,Vec,void *);
582 PETSC_EXTERN PetscErrorCode TSMonitorError(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat *);
583 
584 typedef struct _n_TSMonitorEnvelopeCtx*  TSMonitorEnvelopeCtx;
585 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxCreate(TS,TSMonitorEnvelopeCtx*);
586 PETSC_EXTERN PetscErrorCode TSMonitorEnvelope(TS,PetscInt,PetscReal,Vec,void*);
587 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeGetBounds(TS,Vec*,Vec*);
588 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxDestroy(TSMonitorEnvelopeCtx*);
589 
590 typedef struct _n_TSMonitorSPEigCtx*  TSMonitorSPEigCtx;
591 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPEigCtx *);
592 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx*);
593 PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS,PetscInt,PetscReal,Vec,void *);
594 
595 PETSC_EXTERN PetscErrorCode TSSetEventHandler(TS,PetscInt,PetscInt[],PetscBool[],PetscErrorCode (*)(TS,PetscReal,Vec,PetscScalar[],void*),PetscErrorCode (*)(TS,PetscInt,PetscInt[],PetscReal,Vec,PetscBool,void*),void*);
596 PETSC_EXTERN PetscErrorCode TSSetEventTolerances(TS,PetscReal,PetscReal[]);
597 /*J
598    TSSSPType - string with the name of TSSSP scheme.
599 
600    Level: beginner
601 
602 .seealso: TSSSPSetType(), TS
603 J*/
604 typedef const char* TSSSPType;
605 #define TSSSPRKS2  "rks2"
606 #define TSSSPRKS3  "rks3"
607 #define TSSSPRK104 "rk104"
608 
609 PETSC_EXTERN PetscErrorCode TSSSPSetType(TS,TSSSPType);
610 PETSC_EXTERN PetscErrorCode TSSSPGetType(TS,TSSSPType*);
611 PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
612 PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
613 PETSC_EXTERN PetscErrorCode TSSSPInitializePackage(void);
614 PETSC_EXTERN PetscErrorCode TSSSPFinalizePackage(void);
615 PETSC_EXTERN PetscFunctionList TSSSPList;
616 
617 /*S
618    TSAdapt - Abstract object that manages time-step adaptivity
619 
620    Level: beginner
621 
622 .seealso: TS, TSAdaptCreate(), TSAdaptType
623 S*/
624 typedef struct _p_TSAdapt *TSAdapt;
625 
626 /*E
627     TSAdaptType - String with the name of TSAdapt scheme.
628 
629    Level: beginner
630 
631 .seealso: TSAdaptSetType(), TS
632 E*/
633 typedef const char *TSAdaptType;
634 #define TSADAPTNONE    "none"
635 #define TSADAPTBASIC   "basic"
636 #define TSADAPTDSP     "dsp"
637 #define TSADAPTCFL     "cfl"
638 #define TSADAPTGLEE    "glee"
639 #define TSADAPTHISTORY "history"
640 
641 PETSC_EXTERN PetscErrorCode TSGetAdapt(TS,TSAdapt*);
642 PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[],PetscErrorCode (*)(TSAdapt));
643 PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void);
644 PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
645 PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm,TSAdapt*);
646 PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt,TSAdaptType);
647 PETSC_EXTERN PetscErrorCode TSAdaptGetType(TSAdapt,TSAdaptType*);
648 PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt,const char[]);
649 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
650 PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt,const char[],PetscInt,PetscInt,PetscReal,PetscReal,PetscBool);
651 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt,PetscInt*,const PetscInt**,const PetscInt**,const PetscReal**,const PetscReal**);
652 PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt,TS,PetscReal,PetscInt*,PetscReal*,PetscBool*);
653 PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt,TS,PetscReal,Vec,PetscBool*);
654 PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt,PetscViewer);
655 PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt,PetscViewer);
656 PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(PetscOptionItems*,TSAdapt);
657 PETSC_EXTERN PetscErrorCode TSAdaptReset(TSAdapt);
658 PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt*);
659 PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt,PetscBool);
660 PETSC_EXTERN PetscErrorCode TSAdaptSetAlwaysAccept(TSAdapt,PetscBool);
661 PETSC_EXTERN PetscErrorCode TSAdaptSetSafety(TSAdapt,PetscReal,PetscReal);
662 PETSC_EXTERN PetscErrorCode TSAdaptGetSafety(TSAdapt,PetscReal*,PetscReal*);
663 PETSC_EXTERN PetscErrorCode TSAdaptSetClip(TSAdapt,PetscReal,PetscReal);
664 PETSC_EXTERN PetscErrorCode TSAdaptGetClip(TSAdapt,PetscReal*,PetscReal*);
665 PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt,PetscReal,PetscReal);
666 PETSC_EXTERN PetscErrorCode TSAdaptGetStepLimits(TSAdapt,PetscReal*,PetscReal*);
667 PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt,PetscErrorCode(*)(TSAdapt,TS,PetscReal,Vec,PetscBool*));
668 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetHistory(TSAdapt,PetscInt n,PetscReal hist[],PetscBool);
669 PETSC_EXTERN PetscErrorCode TSAdaptSetTimeStepIncreaseDelay(TSAdapt,PetscInt);
670 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetFilter(TSAdapt,const char *);
671 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetPID(TSAdapt,PetscReal,PetscReal,PetscReal);
672 
673 /*S
674    TSGLLEAdapt - Abstract object that manages time-step adaptivity
675 
676    Level: beginner
677 
678    Developer Notes:
679    This functionality should be replaced by the TSAdapt.
680 
681 .seealso: TSGLLE, TSGLLEAdaptCreate(), TSGLLEAdaptType
682 S*/
683 typedef struct _p_TSGLLEAdapt *TSGLLEAdapt;
684 
685 /*J
686     TSGLLEAdaptType - String with the name of TSGLLEAdapt scheme
687 
688    Level: beginner
689 
690 .seealso: TSGLLEAdaptSetType(), TS
691 J*/
692 typedef const char *TSGLLEAdaptType;
693 #define TSGLLEADAPT_NONE "none"
694 #define TSGLLEADAPT_SIZE "size"
695 #define TSGLLEADAPT_BOTH "both"
696 
697 PETSC_EXTERN PetscErrorCode TSGLLEAdaptRegister(const char[],PetscErrorCode (*)(TSGLLEAdapt));
698 PETSC_EXTERN PetscErrorCode TSGLLEAdaptInitializePackage(void);
699 PETSC_EXTERN PetscErrorCode TSGLLEAdaptFinalizePackage(void);
700 PETSC_EXTERN PetscErrorCode TSGLLEAdaptCreate(MPI_Comm,TSGLLEAdapt*);
701 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetType(TSGLLEAdapt,TSGLLEAdaptType);
702 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetOptionsPrefix(TSGLLEAdapt,const char[]);
703 PETSC_EXTERN PetscErrorCode TSGLLEAdaptChoose(TSGLLEAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
704 PETSC_EXTERN PetscErrorCode TSGLLEAdaptView(TSGLLEAdapt,PetscViewer);
705 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetFromOptions(PetscOptionItems*,TSGLLEAdapt);
706 PETSC_EXTERN PetscErrorCode TSGLLEAdaptDestroy(TSGLLEAdapt*);
707 
708 /*J
709     TSGLLEAcceptType - String with the name of TSGLLEAccept scheme
710 
711    Level: beginner
712 
713 .seealso: TSGLLESetAcceptType(), TS
714 J*/
715 typedef const char *TSGLLEAcceptType;
716 #define TSGLLEACCEPT_ALWAYS "always"
717 
718 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLLEAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
719 PETSC_EXTERN PetscErrorCode TSGLLEAcceptRegister(const char[],TSGLLEAcceptFunction);
720 
721 /*J
722   TSGLLEType - family of time integration method within the General Linear class
723 
724   Level: beginner
725 
726 .seealso: TSGLLESetType(), TSGLLERegister()
727 J*/
728 typedef const char* TSGLLEType;
729 #define TSGLLE_IRKS   "irks"
730 
731 PETSC_EXTERN PetscErrorCode TSGLLERegister(const char[],PetscErrorCode(*)(TS));
732 PETSC_EXTERN PetscErrorCode TSGLLEInitializePackage(void);
733 PETSC_EXTERN PetscErrorCode TSGLLEFinalizePackage(void);
734 PETSC_EXTERN PetscErrorCode TSGLLESetType(TS,TSGLLEType);
735 PETSC_EXTERN PetscErrorCode TSGLLEGetAdapt(TS,TSGLLEAdapt*);
736 PETSC_EXTERN PetscErrorCode TSGLLESetAcceptType(TS,TSGLLEAcceptType);
737 
738 /*J
739     TSEIMEXType - String with the name of an Extrapolated IMEX method.
740 
741    Level: beginner
742 
743 .seealso: TSEIMEXSetType(), TS, TSEIMEX, TSEIMEXRegister()
744 J*/
745 #define TSEIMEXType   char*
746 
747 PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts,PetscInt);
748 PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts,PetscInt,PetscInt);
749 PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS,PetscBool);
750 
751 /*J
752     TSRKType - String with the name of a Runge-Kutta method.
753 
754    Level: beginner
755 
756 .seealso: TSRKSetType(), TS, TSRK, TSRKRegister()
757 J*/
758 typedef const char* TSRKType;
759 #define TSRK1FE   "1fe"
760 #define TSRK2A    "2a"
761 #define TSRK3     "3"
762 #define TSRK3BS   "3bs"
763 #define TSRK4     "4"
764 #define TSRK5F    "5f"
765 #define TSRK5DP   "5dp"
766 #define TSRK5BS   "5bs"
767 
768 PETSC_EXTERN PetscErrorCode TSRKGetType(TS ts,TSRKType*);
769 PETSC_EXTERN PetscErrorCode TSRKSetType(TS ts,TSRKType);
770 PETSC_EXTERN PetscErrorCode TSRKSetFullyImplicit(TS,PetscBool);
771 PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
772 PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void);
773 PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void);
774 PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void);
775 
776 /*J
777     TSGLEEType - String with the name of a General Linear with Error Estimation method.
778 
779    Level: beginner
780 
781 .seealso: TSGLEESetType(), TS, TSGLEE, TSGLEERegister()
782 J*/
783 typedef const char* TSGLEEType;
784 #define TSGLEEi1      "BE1"
785 #define TSGLEE23      "23"
786 #define TSGLEE24      "24"
787 #define TSGLEE25I     "25i"
788 #define TSGLEE35      "35"
789 #define TSGLEEEXRK2A  "exrk2a"
790 #define TSGLEERK32G1  "rk32g1"
791 #define TSGLEERK285EX "rk285ex"
792 /*J
793     TSGLEEMode - String with the mode of error estimation for a General Linear with Error Estimation method.
794 
795    Level: beginner
796 
797 .seealso: TSGLEESetMode(), TS, TSGLEE, TSGLEERegister()
798 J*/
799 PETSC_EXTERN PetscErrorCode TSGLEEGetType(TS ts,TSGLEEType*);
800 PETSC_EXTERN PetscErrorCode TSGLEESetType(TS ts,TSGLEEType);
801 PETSC_EXTERN PetscErrorCode TSGLEERegister(TSGLEEType,PetscInt,PetscInt,PetscInt,PetscReal,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
802 PETSC_EXTERN PetscErrorCode TSGLEEFinalizePackage(void);
803 PETSC_EXTERN PetscErrorCode TSGLEEInitializePackage(void);
804 PETSC_EXTERN PetscErrorCode TSGLEERegisterDestroy(void);
805 
806 /*J
807     TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX method.
808 
809    Level: beginner
810 
811 .seealso: TSARKIMEXSetType(), TS, TSARKIMEX, TSARKIMEXRegister()
812 J*/
813 typedef const char* TSARKIMEXType;
814 #define TSARKIMEX1BEE   "1bee"
815 #define TSARKIMEXA2     "a2"
816 #define TSARKIMEXL2     "l2"
817 #define TSARKIMEXARS122 "ars122"
818 #define TSARKIMEX2C     "2c"
819 #define TSARKIMEX2D     "2d"
820 #define TSARKIMEX2E     "2e"
821 #define TSARKIMEXPRSSP2 "prssp2"
822 #define TSARKIMEX3      "3"
823 #define TSARKIMEXBPR3   "bpr3"
824 #define TSARKIMEXARS443 "ars443"
825 #define TSARKIMEX4      "4"
826 #define TSARKIMEX5      "5"
827 PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts,TSARKIMEXType*);
828 PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts,TSARKIMEXType);
829 PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
830 PETSC_EXTERN PetscErrorCode TSARKIMEXRegister(TSARKIMEXType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[],const PetscReal[]);
831 PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
832 PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
833 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);
834 
835 /*J
836     TSRosWType - String with the name of a Rosenbrock-W method.
837 
838    Level: beginner
839 
840 .seealso: TSRosWSetType(), TS, TSROSW, TSRosWRegister()
841 J*/
842 typedef const char* TSRosWType;
843 #define TSROSW2M          "2m"
844 #define TSROSW2P          "2p"
845 #define TSROSWRA3PW       "ra3pw"
846 #define TSROSWRA34PW2     "ra34pw2"
847 #define TSROSWRODAS3      "rodas3"
848 #define TSROSWSANDU3      "sandu3"
849 #define TSROSWASSP3P3S1C  "assp3p3s1c"
850 #define TSROSWLASSP3P4S2C "lassp3p4s2c"
851 #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
852 #define TSROSWARK3        "ark3"
853 #define TSROSWTHETA1      "theta1"
854 #define TSROSWTHETA2      "theta2"
855 #define TSROSWGRK4T       "grk4t"
856 #define TSROSWSHAMP4      "shamp4"
857 #define TSROSWVELDD4      "veldd4"
858 #define TSROSW4L          "4l"
859 
860 PETSC_EXTERN PetscErrorCode TSRosWGetType(TS,TSRosWType*);
861 PETSC_EXTERN PetscErrorCode TSRosWSetType(TS,TSRosWType);
862 PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS,PetscBool);
863 PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
864 PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
865 PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void);
866 PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
867 PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);
868 
869 PETSC_EXTERN PetscErrorCode TSBDFSetOrder(TS,PetscInt);
870 PETSC_EXTERN PetscErrorCode TSBDFGetOrder(TS,PetscInt*);
871 
872 /*J
873   TSBasicSymplecticType - String with the name of a basic symplectic integration method.
874 
875   Level: beginner
876 
877   .seealso: TSBasicSymplecticSetType(), TS, TSBASICSYMPLECTIC, TSBasicSymplecticRegister()
878 J*/
879 typedef const char* TSBasicSymplecticType;
880 #define TSBASICSYMPLECTICSIEULER   "1"
881 #define TSBASICSYMPLECTICVELVERLET "2"
882 #define TSBASICSYMPLECTIC3         "3"
883 #define TSBASICSYMPLECTIC4         "4"
884 PETSC_EXTERN PetscErrorCode TSBasicSymplecticSetType(TS,TSBasicSymplecticType);
885 PETSC_EXTERN PetscErrorCode TSBasicSymplecticGetType(TS,TSBasicSymplecticType*);
886 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegister(TSBasicSymplecticType,PetscInt,PetscInt,PetscReal[],PetscReal[]);
887 PETSC_EXTERN PetscErrorCode TSBasicSymplecticInitializePackage(void);
888 PETSC_EXTERN PetscErrorCode TSBasicSymplecticFinalizePackage(void);
889 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegisterDestroy(void);
890 
891 /*
892        PETSc interface to Sundials
893 */
894 #ifdef PETSC_HAVE_SUNDIALS
895 typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
896 PETSC_EXTERN const char *const TSSundialsLmmTypes[];
897 typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
898 PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
899 PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS,TSSundialsLmmType);
900 PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS,PC*);
901 PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS,PetscReal,PetscReal);
902 PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS,PetscReal);
903 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS,PetscReal);
904 PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
905 PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
906 PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS,PetscInt);
907 PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS,PetscReal);
908 PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS,PetscBool );
909 PETSC_EXTERN PetscErrorCode TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
910 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS,PetscInt);
911 #endif
912 
913 PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS,PetscReal);
914 PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS,PetscReal*);
915 PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS,PetscBool*);
916 PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS,PetscBool);
917 
918 PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS,PetscReal);
919 PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
920 PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);
921 
922 PETSC_EXTERN PetscErrorCode TSAlpha2SetRadius(TS,PetscReal);
923 PETSC_EXTERN PetscErrorCode TSAlpha2SetParams(TS,PetscReal,PetscReal,PetscReal,PetscReal);
924 PETSC_EXTERN PetscErrorCode TSAlpha2GetParams(TS,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
925 
926 PETSC_EXTERN PetscErrorCode TSSetDM(TS,DM);
927 PETSC_EXTERN PetscErrorCode TSGetDM(TS,DM*);
928 
929 PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES,Vec,Vec,void*);
930 PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES,Vec,Mat,Mat,void*);
931 
932 PETSC_EXTERN PetscErrorCode TSRHSJacobianTest(TS,PetscBool*);
933 PETSC_EXTERN PetscErrorCode TSRHSJacobianTestTranspose(TS,PetscBool*);
934 #endif
935