xref: /petsc/include/petscts.h (revision 13af1a74d217ab121f5f45cf6cdd8dc51f8ba927)
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 #define TSMPRK            "mprk"
49 
50 /*E
51     TSProblemType - Determines the type of problem this TS object is to be used to solve
52 
53    Level: beginner
54 
55 .seealso: TSCreate()
56 E*/
57 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType;
58 
59 /*E
60    TSEquationType - type of TS problem that is solved
61 
62    Level: beginner
63 
64    Developer Notes:
65     this must match petsc/finclude/petscts.h
66 
67    Supported types are:
68      TS_EQ_UNSPECIFIED (default)
69      TS_EQ_EXPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) := M(t) U_t - G(U,t) = 0
70      TS_EQ_IMPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) = 0
71 
72 .seealso: TSGetEquationType(), TSSetEquationType()
73 E*/
74 typedef enum {
75   TS_EQ_UNSPECIFIED               = -1,
76   TS_EQ_EXPLICIT                  = 0,
77   TS_EQ_ODE_EXPLICIT              = 1,
78   TS_EQ_DAE_SEMI_EXPLICIT_INDEX1  = 100,
79   TS_EQ_DAE_SEMI_EXPLICIT_INDEX2  = 200,
80   TS_EQ_DAE_SEMI_EXPLICIT_INDEX3  = 300,
81   TS_EQ_DAE_SEMI_EXPLICIT_INDEXHI = 500,
82   TS_EQ_IMPLICIT                  = 1000,
83   TS_EQ_ODE_IMPLICIT              = 1001,
84   TS_EQ_DAE_IMPLICIT_INDEX1       = 1100,
85   TS_EQ_DAE_IMPLICIT_INDEX2       = 1200,
86   TS_EQ_DAE_IMPLICIT_INDEX3       = 1300,
87   TS_EQ_DAE_IMPLICIT_INDEXHI      = 1500
88 } TSEquationType;
89 PETSC_EXTERN const char *const*TSEquationTypes;
90 
91 /*E
92    TSConvergedReason - reason a TS method has converged or not
93 
94    Level: beginner
95 
96    Developer Notes:
97     this must match petsc/finclude/petscts.h
98 
99    Each reason has its own manual page.
100 
101 .seealso: TSGetConvergedReason()
102 E*/
103 typedef enum {
104   TS_CONVERGED_ITERATING      = 0,
105   TS_CONVERGED_TIME           = 1,
106   TS_CONVERGED_ITS            = 2,
107   TS_CONVERGED_USER           = 3,
108   TS_CONVERGED_EVENT          = 4,
109   TS_CONVERGED_PSEUDO_FATOL   = 5,
110   TS_CONVERGED_PSEUDO_FRTOL   = 6,
111   TS_DIVERGED_NONLINEAR_SOLVE = -1,
112   TS_DIVERGED_STEP_REJECTED   = -2,
113   TSFORWARD_DIVERGED_LINEAR_SOLVE = -3,
114   TSADJOINT_DIVERGED_LINEAR_SOLVE = -4
115 } TSConvergedReason;
116 PETSC_EXTERN const char *const*TSConvergedReasons;
117 
118 /*MC
119    TS_CONVERGED_ITERATING - this only occurs if TSGetConvergedReason() is called during the TSSolve()
120 
121    Level: beginner
122 
123 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
124 M*/
125 
126 /*MC
127    TS_CONVERGED_TIME - the final time was reached
128 
129    Level: beginner
130 
131 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxTime(), TSGetMaxTime(), TSGetSolveTime()
132 M*/
133 
134 /*MC
135    TS_CONVERGED_ITS - the maximum number of iterations (time-steps) was reached prior to the final time
136 
137    Level: beginner
138 
139 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxSteps(), TSGetMaxSteps()
140 M*/
141 
142 /*MC
143    TS_CONVERGED_USER - user requested termination
144 
145    Level: beginner
146 
147 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason()
148 M*/
149 
150 /*MC
151    TS_CONVERGED_EVENT - user requested termination on event detection
152 
153    Level: beginner
154 
155 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason()
156 M*/
157 
158 /*MC
159    TS_CONVERGED_PSEUDO_FRTOL - stops when function norm decreased by a set amount, used only for TSPSEUDO
160 
161    Level: beginner
162 
163    Options Database:
164 .   -ts_pseudo_frtol <rtol>
165 
166 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TS_CONVERGED_PSEUDO_FATOL
167 M*/
168 
169 /*MC
170    TS_CONVERGED_PSEUDO_FATOL - stops when function norm decreases below a set amount, used only for TSPSEUDO
171 
172    Level: beginner
173 
174    Options Database:
175 .   -ts_pseudo_fatol <atol>
176 
177 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TS_CONVERGED_PSEUDO_FRTOL
178 M*/
179 
180 /*MC
181    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed
182 
183    Level: beginner
184 
185    Notes:
186     See TSSetMaxSNESFailures() for how to allow more nonlinear solver failures.
187 
188 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSGetSNES(), SNESGetConvergedReason(), TSSetMaxSNESFailures()
189 M*/
190 
191 /*MC
192    TS_DIVERGED_STEP_REJECTED - too many steps were rejected
193 
194    Level: beginner
195 
196    Notes:
197     See TSSetMaxStepRejections() for how to allow more step rejections.
198 
199 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxStepRejections()
200 M*/
201 
202 /*E
203    TSExactFinalTimeOption - option for handling of final time step
204 
205    Level: beginner
206 
207    Developer Notes:
208     this must match petsc/finclude/petscts.h
209 
210 $  TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
211 $  TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
212 $  TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time
213 
214 .seealso: TSGetConvergedReason(), TSSetExactFinalTime(), TSGetExactFinalTime()
215 
216 E*/
217 typedef enum {TS_EXACTFINALTIME_UNSPECIFIED=0,TS_EXACTFINALTIME_STEPOVER=1,TS_EXACTFINALTIME_INTERPOLATE=2,TS_EXACTFINALTIME_MATCHSTEP=3} TSExactFinalTimeOption;
218 PETSC_EXTERN const char *const TSExactFinalTimeOptions[];
219 
220 /* Logging support */
221 PETSC_EXTERN PetscClassId TS_CLASSID;
222 PETSC_EXTERN PetscClassId DMTS_CLASSID;
223 PETSC_EXTERN PetscClassId TSADAPT_CLASSID;
224 
225 PETSC_EXTERN PetscErrorCode TSInitializePackage(void);
226 PETSC_EXTERN PetscErrorCode TSFinalizePackage(void);
227 
228 PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm,TS*);
229 PETSC_EXTERN PetscErrorCode TSClone(TS,TS*);
230 PETSC_EXTERN PetscErrorCode TSDestroy(TS*);
231 
232 PETSC_EXTERN PetscErrorCode TSSetProblemType(TS,TSProblemType);
233 PETSC_EXTERN PetscErrorCode TSGetProblemType(TS,TSProblemType*);
234 PETSC_EXTERN PetscErrorCode TSMonitor(TS,PetscInt,PetscReal,Vec);
235 PETSC_EXTERN PetscErrorCode TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
236 PETSC_EXTERN PetscErrorCode TSMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));
237 PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);
238 
239 PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS,const char[]);
240 PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS,const char[]);
241 PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS,const char *[]);
242 PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
243 PETSC_EXTERN PetscErrorCode TSSetUp(TS);
244 PETSC_EXTERN PetscErrorCode TSReset(TS);
245 
246 PETSC_EXTERN PetscErrorCode TSSetSolution(TS,Vec);
247 PETSC_EXTERN PetscErrorCode TSGetSolution(TS,Vec*);
248 
249 PETSC_EXTERN PetscErrorCode TS2SetSolution(TS,Vec,Vec);
250 PETSC_EXTERN PetscErrorCode TS2GetSolution(TS,Vec*,Vec*);
251 
252 PETSC_EXTERN PetscErrorCode TSGetSolutionComponents(TS,PetscInt*,Vec*);
253 PETSC_EXTERN PetscErrorCode TSGetAuxSolution(TS,Vec*);
254 PETSC_EXTERN PetscErrorCode TSGetTimeError(TS,PetscInt,Vec*);
255 PETSC_EXTERN PetscErrorCode TSSetTimeError(TS,Vec);
256 
257 PETSC_EXTERN PetscErrorCode TSSetRHSJacobianP(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
258 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianP(TS,PetscReal,Vec,Mat);
259 PETSC_EXTERN PetscErrorCode TSSetIJacobianP(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Vec,PetscReal,Mat,void*),void*);
260 PETSC_EXTERN PetscErrorCode TSComputeIJacobianP(TS,PetscReal,Vec,Vec,PetscReal,Mat,PetscBool);
261 PETSC_EXTERN PetscErrorCode TSComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
262 PETSC_EXTERN PetscErrorCode TSComputeDRDUFunction(TS,PetscReal,Vec,Vec*);
263 PETSC_EXTERN PetscErrorCode TSSetIHessianProduct(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
264                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
265                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
266                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
267                                                     void*);
268 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunction1(TS,PetscReal,Vec,Vec*,Vec,Vec*);
269 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunction2(TS,PetscReal,Vec,Vec*,Vec,Vec*);
270 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunction3(TS,PetscReal,Vec,Vec*,Vec,Vec*);
271 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunction4(TS,PetscReal,Vec,Vec*,Vec,Vec*);
272 PETSC_EXTERN PetscErrorCode TSSetRHSHessianProduct(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
273                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
274                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
275                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
276                                                     void*);
277 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunction1(TS,PetscReal,Vec,Vec*,Vec,Vec*);
278 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunction2(TS,PetscReal,Vec,Vec*,Vec,Vec*);
279 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunction3(TS,PetscReal,Vec,Vec*,Vec,Vec*);
280 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunction4(TS,PetscReal,Vec,Vec*,Vec,Vec*);
281 PETSC_EXTERN PetscErrorCode TSSetCostHessianProducts(TS,PetscInt,Vec*,Vec*,Vec);
282 PETSC_EXTERN PetscErrorCode TSGetCostHessianProducts(TS,PetscInt*,Vec**,Vec**,Vec*);
283 
284 
285 /*S
286      TSTrajectory - Abstract PETSc object that stores the trajectory (solution of ODE/DAE at each time step)
287 
288    Level: advanced
289 
290   Concepts: ODE solvers, trajectory
291 
292 .seealso:  TSSetSaveTrajectory(), TSTrajectoryCreate(), TSTrajectorySetType(), TSTrajectoryDestroy(), TSTrajectoryReset()
293 S*/
294 typedef struct _p_TSTrajectory* TSTrajectory;
295 
296 /*J
297     TSTrajectorySetType - String with the name of a PETSc TS trajectory storage method
298 
299    Level: intermediate
300 
301 .seealso:  TSSetSaveTrajectory(), TSTrajectoryCreate(), TSTrajectoryDestroy()
302 J*/
303 typedef const char* TSTrajectoryType;
304 #define TSTRAJECTORYBASIC         "basic"
305 #define TSTRAJECTORYSINGLEFILE    "singlefile"
306 #define TSTRAJECTORYMEMORY        "memory"
307 #define TSTRAJECTORYVISUALIZATION "visualization"
308 
309 PETSC_EXTERN PetscFunctionList TSTrajectoryList;
310 PETSC_EXTERN PetscClassId      TSTRAJECTORY_CLASSID;
311 PETSC_EXTERN PetscBool         TSTrajectoryRegisterAllCalled;
312 
313 PETSC_EXTERN PetscErrorCode TSSetSaveTrajectory(TS);
314 PETSC_EXTERN PetscErrorCode TSResetTrajectory(TS);
315 
316 PETSC_EXTERN PetscErrorCode TSTrajectoryCreate(MPI_Comm,TSTrajectory*);
317 PETSC_EXTERN PetscErrorCode TSTrajectoryReset(TSTrajectory);
318 PETSC_EXTERN PetscErrorCode TSTrajectoryDestroy(TSTrajectory*);
319 PETSC_EXTERN PetscErrorCode TSTrajectoryView(TSTrajectory,PetscViewer);
320 PETSC_EXTERN PetscErrorCode TSTrajectorySetType(TSTrajectory,TS,TSTrajectoryType);
321 PETSC_EXTERN PetscErrorCode TSTrajectorySet(TSTrajectory,TS,PetscInt,PetscReal,Vec);
322 PETSC_EXTERN PetscErrorCode TSTrajectoryGet(TSTrajectory,TS,PetscInt,PetscReal*);
323 PETSC_EXTERN PetscErrorCode TSTrajectoryGetVecs(TSTrajectory,TS,PetscInt,PetscReal*,Vec,Vec);
324 PETSC_EXTERN PetscErrorCode TSTrajectoryGetUpdatedHistoryVecs(TSTrajectory,TS,PetscReal,Vec*,Vec*);
325 PETSC_EXTERN PetscErrorCode TSTrajectoryGetNumSteps(TSTrajectory,PetscInt*);
326 PETSC_EXTERN PetscErrorCode TSTrajectoryRestoreUpdatedHistoryVecs(TSTrajectory,Vec*,Vec*);
327 PETSC_EXTERN PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory,TS);
328 PETSC_EXTERN PetscErrorCode TSTrajectoryRegister(const char[],PetscErrorCode (*)(TSTrajectory,TS));
329 PETSC_EXTERN PetscErrorCode TSTrajectoryRegisterAll(void);
330 PETSC_EXTERN PetscErrorCode TSTrajectorySetUp(TSTrajectory,TS);
331 PETSC_EXTERN PetscErrorCode TSTrajectorySetMonitor(TSTrajectory,PetscBool);
332 PETSC_EXTERN PetscErrorCode TSTrajectorySetVariableNames(TSTrajectory,const char * const*);
333 PETSC_EXTERN PetscErrorCode TSTrajectorySetTransform(TSTrajectory,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
334 PETSC_EXTERN PetscErrorCode TSTrajectorySetSolutionOnly(TSTrajectory,PetscBool);
335 PETSC_EXTERN PetscErrorCode TSTrajectoryGetSolutionOnly(TSTrajectory,PetscBool*);
336 PETSC_EXTERN PetscErrorCode TSTrajectorySetKeepFiles(TSTrajectory,PetscBool);
337 PETSC_EXTERN PetscErrorCode TSTrajectorySetDirname(TSTrajectory,const char[]);
338 PETSC_EXTERN PetscErrorCode TSTrajectorySetFiletemplate(TSTrajectory,const char[]);
339 PETSC_EXTERN PetscErrorCode TSGetTrajectory(TS,TSTrajectory*);
340 
341 PETSC_EXTERN PetscErrorCode TSSetCostGradients(TS,PetscInt,Vec*,Vec*);
342 PETSC_EXTERN PetscErrorCode TSGetCostGradients(TS,PetscInt*,Vec**,Vec**);
343 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*);
344 PETSC_EXTERN PetscErrorCode TSGetCostIntegral(TS,Vec*);
345 PETSC_EXTERN PetscErrorCode TSComputeCostIntegrand(TS,PetscReal,Vec,Vec);
346 
347 PETSC_EXTERN PetscErrorCode TSAdjointSetFromOptions(PetscOptionItems*,TS);
348 PETSC_EXTERN PetscErrorCode TSAdjointMonitor(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*);
349 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*),void *,PetscErrorCode (*)(void**));
350 PETSC_EXTERN PetscErrorCode TSAdjointMonitorCancel(TS);
351 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));
352 
353 PETSC_EXTERN PETSC_DEPRECATED("Use TSSetRHSJacobianP")     PetscErrorCode TSAdjointSetRHSJacobian(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
354 PETSC_EXTERN PETSC_DEPRECATED("Use TSComputeRHSJacobianP") PetscErrorCode TSAdjointComputeRHSJacobian(TS,PetscReal,Vec,Mat);
355 PETSC_EXTERN PETSC_DEPRECATED("Use TSComputeDRDPFunction") PetscErrorCode TSAdjointComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
356 PETSC_EXTERN PETSC_DEPRECATED("Use TSComputeDRDUFunction") PetscErrorCode TSAdjointComputeDRDYFunction(TS,PetscReal,Vec,Vec*);
357 PETSC_EXTERN PetscErrorCode TSAdjointSolve(TS);
358 PETSC_EXTERN PetscErrorCode TSAdjointSetSteps(TS,PetscInt);
359 
360 PETSC_EXTERN PetscErrorCode TSAdjointStep(TS);
361 PETSC_EXTERN PetscErrorCode TSAdjointSetUp(TS);
362 PETSC_EXTERN PetscErrorCode TSAdjointReset(TS);
363 PETSC_EXTERN PetscErrorCode TSAdjointCostIntegral(TS);
364 PETSC_EXTERN PetscErrorCode TSAdjointInitializeForward(TS,Mat);
365 
366 PETSC_EXTERN PetscErrorCode TSForwardSetSensitivities(TS,PetscInt,Mat);
367 PETSC_EXTERN PetscErrorCode TSForwardGetSensitivities(TS,PetscInt*,Mat*);
368 PETSC_EXTERN PetscErrorCode TSForwardSetIntegralGradients(TS,PetscInt,Vec *);
369 PETSC_EXTERN PetscErrorCode TSForwardGetIntegralGradients(TS,PetscInt*,Vec **);
370 PETSC_EXTERN PetscErrorCode TSForwardSetRHSJacobianP(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,void*),void*);
371 PETSC_EXTERN PetscErrorCode TSForwardComputeRHSJacobianP(TS,PetscReal,Vec,Vec*);
372 PETSC_EXTERN PetscErrorCode TSForwardSetUp(TS);
373 PETSC_EXTERN PetscErrorCode TSForwardReset(TS);
374 PETSC_EXTERN PetscErrorCode TSForwardCostIntegral(TS);
375 PETSC_EXTERN PetscErrorCode TSForwardStep(TS);
376 PETSC_EXTERN PetscErrorCode TSForwardSetInitialSensitivities(TS,Mat);
377 PETSC_EXTERN PetscErrorCode TSForwardGetStages(TS,PetscInt*,Mat**);
378 
379 PETSC_EXTERN PetscErrorCode TSSetMaxSteps(TS,PetscInt);
380 PETSC_EXTERN PetscErrorCode TSGetMaxSteps(TS,PetscInt*);
381 PETSC_EXTERN PetscErrorCode TSSetMaxTime(TS,PetscReal);
382 PETSC_EXTERN PetscErrorCode TSGetMaxTime(TS,PetscReal*);
383 PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS,TSExactFinalTimeOption);
384 PETSC_EXTERN PetscErrorCode TSGetExactFinalTime(TS,TSExactFinalTimeOption*);
385 
386 PETSC_EXTERN PETSC_DEPRECATED("Use TSSetTime[Step]")      PetscErrorCode TSSetInitialTimeStep(TS,PetscReal,PetscReal);
387 PETSC_EXTERN PETSC_DEPRECATED("Use TSSetMax{Steps|Time}") PetscErrorCode TSSetDuration(TS,PetscInt,PetscReal);
388 PETSC_EXTERN PETSC_DEPRECATED("Use TSGetMax{Steps|Time}") PetscErrorCode TSGetDuration(TS,PetscInt*,PetscReal*);
389 PETSC_EXTERN PETSC_DEPRECATED("Use TSGetStepNumber")      PetscErrorCode TSGetTimeStepNumber(TS,PetscInt*);
390 PETSC_EXTERN PETSC_DEPRECATED("Use TSGetStepNumber")      PetscErrorCode TSGetTotalSteps(TS,PetscInt*);
391 
392 PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
393 PETSC_EXTERN PetscErrorCode TSMonitorExtreme(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
394 
395 typedef struct _n_TSMonitorDrawCtx*  TSMonitorDrawCtx;
396 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorDrawCtx *);
397 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx*);
398 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS,PetscInt,PetscReal,Vec,void*);
399 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionPhase(TS,PetscInt,PetscReal,Vec,void*);
400 PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS,PetscInt,PetscReal,Vec,void*);
401 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionFunction(TS,PetscInt,PetscReal,Vec,void*);
402 
403 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat *);
404 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDrawSensi(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*);
405 
406 PETSC_EXTERN PetscErrorCode TSMonitorSolution(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
407 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS,PetscInt,PetscReal,Vec,void*);
408 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void*);
409 
410 PETSC_EXTERN PetscErrorCode TSStep(TS);
411 PETSC_EXTERN PetscErrorCode TSEvaluateWLTE(TS,NormType,PetscInt*,PetscReal*);
412 PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS,PetscInt,Vec,PetscBool*);
413 PETSC_EXTERN PetscErrorCode TSSolve(TS,Vec);
414 PETSC_EXTERN PetscErrorCode TSGetEquationType(TS,TSEquationType*);
415 PETSC_EXTERN PetscErrorCode TSSetEquationType(TS,TSEquationType);
416 PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS,TSConvergedReason*);
417 PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS,TSConvergedReason);
418 PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS,PetscReal*);
419 PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS,PetscInt*);
420 PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS,PetscInt*);
421 PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS,PetscInt*);
422 PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS,PetscInt);
423 PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS,PetscInt*);
424 PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS,PetscInt);
425 PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS,PetscBool);
426 PETSC_EXTERN PetscErrorCode TSRestartStep(TS);
427 PETSC_EXTERN PetscErrorCode TSRollBack(TS);
428 
429 PETSC_EXTERN PetscErrorCode TSGetStages(TS,PetscInt*,Vec**);
430 
431 PETSC_EXTERN PetscErrorCode TSGetTime(TS,PetscReal*);
432 PETSC_EXTERN PetscErrorCode TSSetTime(TS,PetscReal);
433 PETSC_EXTERN PetscErrorCode TSGetPrevTime(TS,PetscReal*);
434 PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS,PetscReal*);
435 PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS,PetscReal);
436 PETSC_EXTERN PetscErrorCode TSGetStepNumber(TS,PetscInt*);
437 PETSC_EXTERN PetscErrorCode TSSetStepNumber(TS,PetscInt);
438 
439 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
440 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat,Mat,void*);
441 PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
442 PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
443 PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
444 PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
445 PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS,PetscBool);
446 
447 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS,PetscReal,Vec,void*);
448 PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS,TSSolutionFunction,void*);
449 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSForcingFunction)(TS,PetscReal,Vec,void*);
450 PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS,TSForcingFunction,void*);
451 
452 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
453 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
454 PETSC_EXTERN PetscErrorCode TSSetIFunction(TS,Vec,TSIFunction,void*);
455 PETSC_EXTERN PetscErrorCode TSGetIFunction(TS,Vec*,TSIFunction*,void**);
456 PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
457 PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);
458 
459 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Function)(TS,PetscReal,Vec,Vec,Vec,Vec,void*);
460 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Jacobian)(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat,void*);
461 PETSC_EXTERN PetscErrorCode TSSetI2Function(TS,Vec,TSI2Function,void*);
462 PETSC_EXTERN PetscErrorCode TSGetI2Function(TS,Vec*,TSI2Function*,void**);
463 PETSC_EXTERN PetscErrorCode TSSetI2Jacobian(TS,Mat,Mat,TSI2Jacobian,void*);
464 PETSC_EXTERN PetscErrorCode TSGetI2Jacobian(TS,Mat*,Mat*,TSI2Jacobian*,void**);
465 
466 PETSC_EXTERN PetscErrorCode TSRHSSplitSetIS(TS,const char[],IS);
467 PETSC_EXTERN PetscErrorCode TSRHSSplitGetIS(TS,const char[],IS*);
468 PETSC_EXTERN PetscErrorCode TSRHSSplitSetRHSFunction(TS,const char[],Vec,TSRHSFunction,void*);
469 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTS(TS,const char[],TS*);
470 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTSs(TS,PetscInt*,TS*[]);
471 PETSC_EXTERN PetscErrorCode TSSetUseSplitRHSFunction(TS, PetscBool);
472 PETSC_EXTERN PetscErrorCode TSGetUseSplitRHSFunction(TS, PetscBool*);
473 
474 PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
475 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat,Mat,void*);
476 PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
477 PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
478 PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS,PetscReal,Vec);
479 PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS,PetscReal,Vec);
480 PETSC_EXTERN PetscErrorCode TSComputeIJacobianDefaultColor(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
481 
482 PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
483 PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS,PetscReal));
484 PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS,PetscReal,PetscInt,Vec*));
485 PETSC_EXTERN PetscErrorCode TSSetPostEvaluate(TS, PetscErrorCode(*)(TS));
486 PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
487 PETSC_EXTERN PetscErrorCode TSPreStep(TS);
488 PETSC_EXTERN PetscErrorCode TSPreStage(TS,PetscReal);
489 PETSC_EXTERN PetscErrorCode TSPostStage(TS,PetscReal,PetscInt,Vec*);
490 PETSC_EXTERN PetscErrorCode TSPostEvaluate(TS);
491 PETSC_EXTERN PetscErrorCode TSPostStep(TS);
492 PETSC_EXTERN PetscErrorCode TSInterpolate(TS,PetscReal,Vec);
493 PETSC_EXTERN PetscErrorCode TSSetTolerances(TS,PetscReal,Vec,PetscReal,Vec);
494 PETSC_EXTERN PetscErrorCode TSGetTolerances(TS,PetscReal*,Vec*,PetscReal*,Vec*);
495 PETSC_EXTERN PetscErrorCode TSErrorWeightedNormInfinity(TS,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
496 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm2(TS,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
497 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm(TS,Vec,Vec,NormType,PetscReal*,PetscReal*,PetscReal*);
498 PETSC_EXTERN PetscErrorCode TSErrorWeightedENormInfinity(TS,Vec,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
499 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm2(TS,Vec,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
500 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm(TS,Vec,Vec,Vec,NormType,PetscReal*,PetscReal*,PetscReal*);
501 PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS,PetscReal);
502 PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS,PetscReal*);
503 PETSC_EXTERN PetscErrorCode TSSetFunctionDomainError(TS, PetscErrorCode (*)(TS,PetscReal,Vec,PetscBool*));
504 PETSC_EXTERN PetscErrorCode TSFunctionDomainError(TS,PetscReal,Vec,PetscBool*);
505 
506 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
507 PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS,PetscReal*,void*);
508 PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS,PetscReal *);
509 PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS,PetscReal);
510 PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
511 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS,Vec,void*,PetscReal*,PetscBool *);
512 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
513 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS,PetscReal);
514 PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);
515 
516 PETSC_EXTERN PetscErrorCode TSPythonSetType(TS,const char[]);
517 
518 PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
519 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS,PetscReal,Vec,Mat,Mat);
520 PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
521 PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,PetscBool);
522 PETSC_EXTERN PetscErrorCode TSComputeI2Function(TS,PetscReal,Vec,Vec,Vec,Vec);
523 PETSC_EXTERN PetscErrorCode TSComputeI2Jacobian(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat);
524 PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS,PetscReal,PetscReal,PetscReal*,PetscReal*);
525 
526 PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS,Vec,Vec);
527 
528 PETSC_EXTERN PetscErrorCode DMTSSetBoundaryLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *);
529 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM,TSRHSFunction,void*);
530 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM,TSRHSFunction*,void**);
531 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM,TSRHSJacobian,void*);
532 PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM,TSRHSJacobian*,void**);
533 PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM,TSIFunction,void*);
534 PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM,TSIFunction*,void**);
535 PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM,TSIJacobian,void*);
536 PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM,TSIJacobian*,void**);
537 PETSC_EXTERN PetscErrorCode DMTSSetI2Function(DM,TSI2Function,void*);
538 PETSC_EXTERN PetscErrorCode DMTSGetI2Function(DM,TSI2Function*,void**);
539 PETSC_EXTERN PetscErrorCode DMTSSetI2Jacobian(DM,TSI2Jacobian,void*);
540 PETSC_EXTERN PetscErrorCode DMTSGetI2Jacobian(DM,TSI2Jacobian*,void**);
541 
542 PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM,TSSolutionFunction,void*);
543 PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM,TSSolutionFunction*,void**);
544 PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM,TSForcingFunction,void*);
545 PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM,TSForcingFunction*,void**);
546 PETSC_EXTERN PetscErrorCode DMTSGetMinRadius(DM,PetscReal*);
547 PETSC_EXTERN PetscErrorCode DMTSSetMinRadius(DM,PetscReal);
548 PETSC_EXTERN PetscErrorCode DMTSCheckFromOptions(TS, Vec, PetscErrorCode (**)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar *, void *), void **);
549 
550 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,Vec,void*),void*);
551 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*),void*);
552 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,void*),void*);
553 
554 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
555 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
556 
557 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*);
558 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*);
559 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*);
560 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*);
561 
562 PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*),void *);
563 PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*),void *);
564 PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*),void *);
565 PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*),void *);
566 
567 PETSC_EXTERN PetscErrorCode DMPlexTSGetGeometryFVM(DM,Vec*,Vec*,PetscReal*);
568 PETSC_EXTERN PetscErrorCode DMPlexTSGetGradientDM(DM,PetscFV,DM*);
569 
570 typedef struct _n_TSMonitorLGCtx*  TSMonitorLGCtx;
571 typedef struct {
572   Vec            ray;
573   VecScatter     scatter;
574   PetscViewer    viewer;
575   TSMonitorLGCtx lgctx;
576 } TSMonitorDMDARayCtx;
577 PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void**);
578 PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS,PetscInt,PetscReal,Vec,void*);
579 PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS,PetscInt,PetscReal,Vec,void*);
580 
581 /* Dynamic creation and loading functions */
582 PETSC_EXTERN PetscFunctionList TSList;
583 PETSC_EXTERN PetscErrorCode TSGetType(TS,TSType*);
584 PETSC_EXTERN PetscErrorCode TSSetType(TS,TSType);
585 PETSC_EXTERN PetscErrorCode TSRegister(const char[], PetscErrorCode (*)(TS));
586 
587 PETSC_EXTERN PetscErrorCode TSGetSNES(TS,SNES*);
588 PETSC_EXTERN PetscErrorCode TSSetSNES(TS,SNES);
589 PETSC_EXTERN PetscErrorCode TSGetKSP(TS,KSP*);
590 
591 PETSC_EXTERN PetscErrorCode TSView(TS,PetscViewer);
592 PETSC_EXTERN PetscErrorCode TSLoad(TS,PetscViewer);
593 PETSC_STATIC_INLINE PetscErrorCode TSViewFromOptions(TS A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
594 PETSC_STATIC_INLINE PetscErrorCode TSTrajectoryViewFromOptions(TSTrajectory A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
595 
596 #define TS_FILE_CLASSID 1211225
597 
598 PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS,void *);
599 PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS,void *);
600 
601 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtx *);
602 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx*);
603 PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS,PetscInt,PetscReal,Vec,void *);
604 PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS,PetscInt,PetscReal,Vec,void *);
605 PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS,const char * const*);
606 PETSC_EXTERN PetscErrorCode TSMonitorLGGetVariableNames(TS,const char *const **);
607 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetVariableNames(TSMonitorLGCtx,const char * const *);
608 PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS,const char * const*);
609 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetDisplayVariables(TSMonitorLGCtx,const char * const*);
610 PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
611 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetTransform(TSMonitorLGCtx,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void *);
612 PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS,PetscInt,PetscReal,Vec,void *);
613 PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS,PetscInt,PetscReal,Vec,void *);
614 PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS,PetscInt,PetscReal,Vec,void *);
615 PETSC_EXTERN PetscErrorCode TSMonitorError(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat *);
616 
617 typedef struct _n_TSMonitorEnvelopeCtx*  TSMonitorEnvelopeCtx;
618 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxCreate(TS,TSMonitorEnvelopeCtx*);
619 PETSC_EXTERN PetscErrorCode TSMonitorEnvelope(TS,PetscInt,PetscReal,Vec,void*);
620 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeGetBounds(TS,Vec*,Vec*);
621 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxDestroy(TSMonitorEnvelopeCtx*);
622 
623 typedef struct _n_TSMonitorSPEigCtx*  TSMonitorSPEigCtx;
624 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPEigCtx *);
625 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx*);
626 PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS,PetscInt,PetscReal,Vec,void *);
627 
628 typedef struct _n_TSMonitorSPCtx* TSMonitorSPCtx;
629 PETSC_EXTERN PetscErrorCode TSMonitorSPCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPCtx*);
630 PETSC_EXTERN PetscErrorCode TSMonitorSPCtxDestroy(TSMonitorSPCtx*);
631 PETSC_EXTERN PetscErrorCode TSMonitorSPSwarmSolution(TS,PetscInt,PetscReal,Vec,void*);
632 
633 PETSC_EXTERN PetscErrorCode TSSetEventHandler(TS,PetscInt,PetscInt[],PetscBool[],PetscErrorCode (*)(TS,PetscReal,Vec,PetscScalar[],void*),PetscErrorCode (*)(TS,PetscInt,PetscInt[],PetscReal,Vec,PetscBool,void*),void*);
634 PETSC_EXTERN PetscErrorCode TSSetPostEventIntervalStep(TS,PetscReal);
635 PETSC_EXTERN PetscErrorCode TSSetEventTolerances(TS,PetscReal,PetscReal[]);
636 /*J
637    TSSSPType - string with the name of TSSSP scheme.
638 
639    Level: beginner
640 
641 .seealso: TSSSPSetType(), TS
642 J*/
643 typedef const char* TSSSPType;
644 #define TSSSPRKS2  "rks2"
645 #define TSSSPRKS3  "rks3"
646 #define TSSSPRK104 "rk104"
647 
648 PETSC_EXTERN PetscErrorCode TSSSPSetType(TS,TSSSPType);
649 PETSC_EXTERN PetscErrorCode TSSSPGetType(TS,TSSSPType*);
650 PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
651 PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
652 PETSC_EXTERN PetscErrorCode TSSSPInitializePackage(void);
653 PETSC_EXTERN PetscErrorCode TSSSPFinalizePackage(void);
654 PETSC_EXTERN PetscFunctionList TSSSPList;
655 
656 /*S
657    TSAdapt - Abstract object that manages time-step adaptivity
658 
659    Level: beginner
660 
661 .seealso: TS, TSAdaptCreate(), TSAdaptType
662 S*/
663 typedef struct _p_TSAdapt *TSAdapt;
664 
665 /*E
666     TSAdaptType - String with the name of TSAdapt scheme.
667 
668    Level: beginner
669 
670 .seealso: TSAdaptSetType(), TS
671 E*/
672 typedef const char *TSAdaptType;
673 #define TSADAPTNONE    "none"
674 #define TSADAPTBASIC   "basic"
675 #define TSADAPTDSP     "dsp"
676 #define TSADAPTCFL     "cfl"
677 #define TSADAPTGLEE    "glee"
678 #define TSADAPTHISTORY "history"
679 
680 PETSC_EXTERN PetscErrorCode TSGetAdapt(TS,TSAdapt*);
681 PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[],PetscErrorCode (*)(TSAdapt));
682 PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void);
683 PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
684 PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm,TSAdapt*);
685 PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt,TSAdaptType);
686 PETSC_EXTERN PetscErrorCode TSAdaptGetType(TSAdapt,TSAdaptType*);
687 PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt,const char[]);
688 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
689 PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt,const char[],PetscInt,PetscInt,PetscReal,PetscReal,PetscBool);
690 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt,PetscInt*,const PetscInt**,const PetscInt**,const PetscReal**,const PetscReal**);
691 PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt,TS,PetscReal,PetscInt*,PetscReal*,PetscBool*);
692 PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt,TS,PetscReal,Vec,PetscBool*);
693 PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt,PetscViewer);
694 PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt,PetscViewer);
695 PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(PetscOptionItems*,TSAdapt);
696 PETSC_EXTERN PetscErrorCode TSAdaptReset(TSAdapt);
697 PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt*);
698 PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt,PetscBool);
699 PETSC_EXTERN PetscErrorCode TSAdaptSetAlwaysAccept(TSAdapt,PetscBool);
700 PETSC_EXTERN PetscErrorCode TSAdaptSetSafety(TSAdapt,PetscReal,PetscReal);
701 PETSC_EXTERN PetscErrorCode TSAdaptGetSafety(TSAdapt,PetscReal*,PetscReal*);
702 PETSC_EXTERN PetscErrorCode TSAdaptSetClip(TSAdapt,PetscReal,PetscReal);
703 PETSC_EXTERN PetscErrorCode TSAdaptGetClip(TSAdapt,PetscReal*,PetscReal*);
704 PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt,PetscReal,PetscReal);
705 PETSC_EXTERN PetscErrorCode TSAdaptGetStepLimits(TSAdapt,PetscReal*,PetscReal*);
706 PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt,PetscErrorCode(*)(TSAdapt,TS,PetscReal,Vec,PetscBool*));
707 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetHistory(TSAdapt,PetscInt n,PetscReal hist[],PetscBool);
708 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetTrajectory(TSAdapt,TSTrajectory,PetscBool);
709 PETSC_EXTERN PetscErrorCode TSAdaptHistoryGetStep(TSAdapt,PetscInt,PetscReal*,PetscReal*);
710 PETSC_EXTERN PetscErrorCode TSAdaptSetTimeStepIncreaseDelay(TSAdapt,PetscInt);
711 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetFilter(TSAdapt,const char *);
712 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetPID(TSAdapt,PetscReal,PetscReal,PetscReal);
713 
714 /*S
715    TSGLLEAdapt - Abstract object that manages time-step adaptivity
716 
717    Level: beginner
718 
719    Developer Notes:
720    This functionality should be replaced by the TSAdapt.
721 
722 .seealso: TSGLLE, TSGLLEAdaptCreate(), TSGLLEAdaptType
723 S*/
724 typedef struct _p_TSGLLEAdapt *TSGLLEAdapt;
725 
726 /*J
727     TSGLLEAdaptType - String with the name of TSGLLEAdapt scheme
728 
729    Level: beginner
730 
731 .seealso: TSGLLEAdaptSetType(), TS
732 J*/
733 typedef const char *TSGLLEAdaptType;
734 #define TSGLLEADAPT_NONE "none"
735 #define TSGLLEADAPT_SIZE "size"
736 #define TSGLLEADAPT_BOTH "both"
737 
738 PETSC_EXTERN PetscErrorCode TSGLLEAdaptRegister(const char[],PetscErrorCode (*)(TSGLLEAdapt));
739 PETSC_EXTERN PetscErrorCode TSGLLEAdaptInitializePackage(void);
740 PETSC_EXTERN PetscErrorCode TSGLLEAdaptFinalizePackage(void);
741 PETSC_EXTERN PetscErrorCode TSGLLEAdaptCreate(MPI_Comm,TSGLLEAdapt*);
742 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetType(TSGLLEAdapt,TSGLLEAdaptType);
743 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetOptionsPrefix(TSGLLEAdapt,const char[]);
744 PETSC_EXTERN PetscErrorCode TSGLLEAdaptChoose(TSGLLEAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
745 PETSC_EXTERN PetscErrorCode TSGLLEAdaptView(TSGLLEAdapt,PetscViewer);
746 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetFromOptions(PetscOptionItems*,TSGLLEAdapt);
747 PETSC_EXTERN PetscErrorCode TSGLLEAdaptDestroy(TSGLLEAdapt*);
748 
749 /*J
750     TSGLLEAcceptType - String with the name of TSGLLEAccept scheme
751 
752    Level: beginner
753 
754 .seealso: TSGLLESetAcceptType(), TS
755 J*/
756 typedef const char *TSGLLEAcceptType;
757 #define TSGLLEACCEPT_ALWAYS "always"
758 
759 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLLEAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
760 PETSC_EXTERN PetscErrorCode TSGLLEAcceptRegister(const char[],TSGLLEAcceptFunction);
761 
762 /*J
763   TSGLLEType - family of time integration method within the General Linear class
764 
765   Level: beginner
766 
767 .seealso: TSGLLESetType(), TSGLLERegister()
768 J*/
769 typedef const char* TSGLLEType;
770 #define TSGLLE_IRKS   "irks"
771 
772 PETSC_EXTERN PetscErrorCode TSGLLERegister(const char[],PetscErrorCode(*)(TS));
773 PETSC_EXTERN PetscErrorCode TSGLLEInitializePackage(void);
774 PETSC_EXTERN PetscErrorCode TSGLLEFinalizePackage(void);
775 PETSC_EXTERN PetscErrorCode TSGLLESetType(TS,TSGLLEType);
776 PETSC_EXTERN PetscErrorCode TSGLLEGetAdapt(TS,TSGLLEAdapt*);
777 PETSC_EXTERN PetscErrorCode TSGLLESetAcceptType(TS,TSGLLEAcceptType);
778 
779 /*J
780     TSEIMEXType - String with the name of an Extrapolated IMEX method.
781 
782    Level: beginner
783 
784 .seealso: TSEIMEXSetType(), TS, TSEIMEX, TSEIMEXRegister()
785 J*/
786 #define TSEIMEXType   char*
787 
788 PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts,PetscInt);
789 PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts,PetscInt,PetscInt);
790 PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS,PetscBool);
791 
792 /*J
793     TSRKType - String with the name of a Runge-Kutta method.
794 
795    Level: beginner
796 
797 .seealso: TSRKSetType(), TS, TSRK, TSRKRegister()
798 J*/
799 typedef const char* TSRKType;
800 #define TSRK1FE   "1fe"
801 #define TSRK2A    "2a"
802 #define TSRK3     "3"
803 #define TSRK3BS   "3bs"
804 #define TSRK4     "4"
805 #define TSRK5F    "5f"
806 #define TSRK5DP   "5dp"
807 #define TSRK5BS   "5bs"
808 
809 PETSC_EXTERN PetscErrorCode TSRKGetType(TS ts,TSRKType*);
810 PETSC_EXTERN PetscErrorCode TSRKSetType(TS ts,TSRKType);
811 PETSC_EXTERN PetscErrorCode TSRKSetMultirate(TS,PetscBool);
812 PETSC_EXTERN PetscErrorCode TSRKGetMultirate(TS,PetscBool*);
813 PETSC_EXTERN PetscErrorCode TSRKSetFullyImplicit(TS,PetscBool);
814 PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
815 PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void);
816 PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void);
817 PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void);
818 
819 /*J
820    TSMPRKType - String with the name of a Partitioned Runge-Kutta method
821 
822    Level: beginner
823 
824 .seealso: TSMPRKSetType(), TS, TSMPRK, TSMPRKRegister()
825 J*/
826 typedef const char* TSMPRKType;
827 #define TSMPRK2A22   "2a22"
828 #define TSMPRK2A23   "2a23"
829 #define TSMPRK2A32   "2a32"
830 #define TSMPRK2A33   "2a33"
831 #define TSMPRKP2    "p2"
832 #define TSMPRKP3    "p3"
833 
834 PETSC_EXTERN PetscErrorCode TSMPRKGetType(TS ts,TSMPRKType*);
835 PETSC_EXTERN PetscErrorCode TSMPRKSetType(TS ts,TSMPRKType);
836 PETSC_EXTERN PetscErrorCode TSMPRKRegister(TSMPRKType,PetscInt,PetscInt,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscInt[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscInt [],const PetscReal[],const PetscReal[],const PetscReal[]);
837 PETSC_EXTERN PetscErrorCode TSMPRKInitializePackage(void);
838 PETSC_EXTERN PetscErrorCode TSMPRKFinalizePackage(void);
839 PETSC_EXTERN PetscErrorCode TSMPRKRegisterDestroy(void);
840 
841 /*J
842     TSGLEEType - String with the name of a General Linear with Error Estimation method.
843 
844    Level: beginner
845 
846 .seealso: TSGLEESetType(), TS, TSGLEE, TSGLEERegister()
847 J*/
848 typedef const char* TSGLEEType;
849 #define TSGLEEi1      "BE1"
850 #define TSGLEE23      "23"
851 #define TSGLEE24      "24"
852 #define TSGLEE25I     "25i"
853 #define TSGLEE35      "35"
854 #define TSGLEEEXRK2A  "exrk2a"
855 #define TSGLEERK32G1  "rk32g1"
856 #define TSGLEERK285EX "rk285ex"
857 /*J
858     TSGLEEMode - String with the mode of error estimation for a General Linear with Error Estimation method.
859 
860    Level: beginner
861 
862 .seealso: TSGLEESetMode(), TS, TSGLEE, TSGLEERegister()
863 J*/
864 PETSC_EXTERN PetscErrorCode TSGLEEGetType(TS ts,TSGLEEType*);
865 PETSC_EXTERN PetscErrorCode TSGLEESetType(TS ts,TSGLEEType);
866 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[]);
867 PETSC_EXTERN PetscErrorCode TSGLEEFinalizePackage(void);
868 PETSC_EXTERN PetscErrorCode TSGLEEInitializePackage(void);
869 PETSC_EXTERN PetscErrorCode TSGLEERegisterDestroy(void);
870 
871 /*J
872     TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX method.
873 
874    Level: beginner
875 
876 .seealso: TSARKIMEXSetType(), TS, TSARKIMEX, TSARKIMEXRegister()
877 J*/
878 typedef const char* TSARKIMEXType;
879 #define TSARKIMEX1BEE   "1bee"
880 #define TSARKIMEXA2     "a2"
881 #define TSARKIMEXL2     "l2"
882 #define TSARKIMEXARS122 "ars122"
883 #define TSARKIMEX2C     "2c"
884 #define TSARKIMEX2D     "2d"
885 #define TSARKIMEX2E     "2e"
886 #define TSARKIMEXPRSSP2 "prssp2"
887 #define TSARKIMEX3      "3"
888 #define TSARKIMEXBPR3   "bpr3"
889 #define TSARKIMEXARS443 "ars443"
890 #define TSARKIMEX4      "4"
891 #define TSARKIMEX5      "5"
892 PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts,TSARKIMEXType*);
893 PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts,TSARKIMEXType);
894 PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
895 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[]);
896 PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
897 PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
898 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);
899 
900 /*J
901     TSRosWType - String with the name of a Rosenbrock-W method.
902 
903    Level: beginner
904 
905 .seealso: TSRosWSetType(), TS, TSROSW, TSRosWRegister()
906 J*/
907 typedef const char* TSRosWType;
908 #define TSROSW2M          "2m"
909 #define TSROSW2P          "2p"
910 #define TSROSWRA3PW       "ra3pw"
911 #define TSROSWRA34PW2     "ra34pw2"
912 #define TSROSWRODAS3      "rodas3"
913 #define TSROSWSANDU3      "sandu3"
914 #define TSROSWASSP3P3S1C  "assp3p3s1c"
915 #define TSROSWLASSP3P4S2C "lassp3p4s2c"
916 #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
917 #define TSROSWARK3        "ark3"
918 #define TSROSWTHETA1      "theta1"
919 #define TSROSWTHETA2      "theta2"
920 #define TSROSWGRK4T       "grk4t"
921 #define TSROSWSHAMP4      "shamp4"
922 #define TSROSWVELDD4      "veldd4"
923 #define TSROSW4L          "4l"
924 
925 PETSC_EXTERN PetscErrorCode TSRosWGetType(TS,TSRosWType*);
926 PETSC_EXTERN PetscErrorCode TSRosWSetType(TS,TSRosWType);
927 PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS,PetscBool);
928 PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
929 PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
930 PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void);
931 PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
932 PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);
933 
934 PETSC_EXTERN PetscErrorCode TSBDFSetOrder(TS,PetscInt);
935 PETSC_EXTERN PetscErrorCode TSBDFGetOrder(TS,PetscInt*);
936 
937 /*J
938   TSBasicSymplecticType - String with the name of a basic symplectic integration method.
939 
940   Level: beginner
941 
942   .seealso: TSBasicSymplecticSetType(), TS, TSBASICSYMPLECTIC, TSBasicSymplecticRegister()
943 J*/
944 typedef const char* TSBasicSymplecticType;
945 #define TSBASICSYMPLECTICSIEULER   "1"
946 #define TSBASICSYMPLECTICVELVERLET "2"
947 #define TSBASICSYMPLECTIC3         "3"
948 #define TSBASICSYMPLECTIC4         "4"
949 PETSC_EXTERN PetscErrorCode TSBasicSymplecticSetType(TS,TSBasicSymplecticType);
950 PETSC_EXTERN PetscErrorCode TSBasicSymplecticGetType(TS,TSBasicSymplecticType*);
951 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegister(TSBasicSymplecticType,PetscInt,PetscInt,PetscReal[],PetscReal[]);
952 PETSC_EXTERN PetscErrorCode TSBasicSymplecticInitializePackage(void);
953 PETSC_EXTERN PetscErrorCode TSBasicSymplecticFinalizePackage(void);
954 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegisterDestroy(void);
955 
956 /*
957        PETSc interface to Sundials
958 */
959 #ifdef PETSC_HAVE_SUNDIALS
960 typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
961 PETSC_EXTERN const char *const TSSundialsLmmTypes[];
962 typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
963 PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
964 PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS,TSSundialsLmmType);
965 PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS,PC*);
966 PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS,PetscReal,PetscReal);
967 PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS,PetscReal);
968 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS,PetscReal);
969 PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
970 PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
971 PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS,PetscInt);
972 PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS,PetscReal);
973 PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS,PetscBool );
974 PETSC_EXTERN PetscErrorCode TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
975 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS,PetscInt);
976 #endif
977 
978 PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS,PetscReal);
979 PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS,PetscReal*);
980 PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS,PetscBool*);
981 PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS,PetscBool);
982 
983 PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS,PetscReal);
984 PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
985 PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);
986 
987 PETSC_EXTERN PetscErrorCode TSAlpha2SetRadius(TS,PetscReal);
988 PETSC_EXTERN PetscErrorCode TSAlpha2SetParams(TS,PetscReal,PetscReal,PetscReal,PetscReal);
989 PETSC_EXTERN PetscErrorCode TSAlpha2GetParams(TS,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
990 
991 PETSC_EXTERN PetscErrorCode TSSetDM(TS,DM);
992 PETSC_EXTERN PetscErrorCode TSGetDM(TS,DM*);
993 
994 PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES,Vec,Vec,void*);
995 PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES,Vec,Mat,Mat,void*);
996 
997 PETSC_EXTERN PetscErrorCode TSRHSJacobianTest(TS,PetscBool*);
998 PETSC_EXTERN PetscErrorCode TSRHSJacobianTestTranspose(TS,PetscBool*);
999 #endif
1000