xref: /petsc/include/petscts.h (revision 89669be4d29968dc8d4c19ce1b69194a6a561ea4)
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 #include <petscconvest.h>
9 
10 /*S
11      TS - Abstract PETSc object that manages all time-steppers (ODE integrators)
12 
13    Level: beginner
14 
15 .seealso: `TSCreate()`, `TSSetType()`, `TSType`, `SNES`, `KSP`, `PC`, `TSDestroy()`
16 S*/
17 typedef struct _p_TS* TS;
18 
19 /*J
20     TSType - String with the name of a PETSc TS method.
21 
22    Level: beginner
23 
24 .seealso: `TSSetType()`, `TS`, `TSRegister()`
25 J*/
26 typedef const char* TSType;
27 #define TSEULER           "euler"
28 #define TSBEULER          "beuler"
29 #define TSBASICSYMPLECTIC "basicsymplectic"
30 #define TSPSEUDO          "pseudo"
31 #define TSCN              "cn"
32 #define TSSUNDIALS        "sundials"
33 #define TSRK              "rk"
34 #define TSPYTHON          "python"
35 #define TSTHETA           "theta"
36 #define TSALPHA           "alpha"
37 #define TSALPHA2          "alpha2"
38 #define TSGLLE            "glle"
39 #define TSGLEE            "glee"
40 #define TSSSP             "ssp"
41 #define TSARKIMEX         "arkimex"
42 #define TSROSW            "rosw"
43 #define TSEIMEX           "eimex"
44 #define TSMIMEX           "mimex"
45 #define TSBDF             "bdf"
46 #define TSRADAU5          "radau5"
47 #define TSMPRK            "mprk"
48 #define TSDISCGRAD        "discgrad"
49 #define TSIRK             "irk"
50 
51 /*E
52     TSProblemType - Determines the type of problem this TS object is to be used to solve
53 
54    Level: beginner
55 
56 .seealso: `TSCreate()`
57 E*/
58 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType;
59 
60 /*E
61    TSEquationType - type of TS problem that is solved
62 
63    Level: beginner
64 
65    Developer Notes:
66     this must match petsc/finclude/petscts.h
67 
68    Supported types are:
69      TS_EQ_UNSPECIFIED (default)
70      TS_EQ_EXPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) := M(t) U_t - G(U,t) = 0
71      TS_EQ_IMPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) = 0
72 
73 .seealso: `TSGetEquationType()`, `TSSetEquationType()`
74 E*/
75 typedef enum {
76   TS_EQ_UNSPECIFIED               = -1,
77   TS_EQ_EXPLICIT                  = 0,
78   TS_EQ_ODE_EXPLICIT              = 1,
79   TS_EQ_DAE_SEMI_EXPLICIT_INDEX1  = 100,
80   TS_EQ_DAE_SEMI_EXPLICIT_INDEX2  = 200,
81   TS_EQ_DAE_SEMI_EXPLICIT_INDEX3  = 300,
82   TS_EQ_DAE_SEMI_EXPLICIT_INDEXHI = 500,
83   TS_EQ_IMPLICIT                  = 1000,
84   TS_EQ_ODE_IMPLICIT              = 1001,
85   TS_EQ_DAE_IMPLICIT_INDEX1       = 1100,
86   TS_EQ_DAE_IMPLICIT_INDEX2       = 1200,
87   TS_EQ_DAE_IMPLICIT_INDEX3       = 1300,
88   TS_EQ_DAE_IMPLICIT_INDEXHI      = 1500
89 } TSEquationType;
90 PETSC_EXTERN const char *const*TSEquationTypes;
91 
92 /*E
93    TSConvergedReason - reason a TS method has converged or not
94 
95    Level: beginner
96 
97    Developer Notes:
98     this must match petsc/finclude/petscts.h
99 
100    Each reason has its own manual page.
101 
102 .seealso: `TSGetConvergedReason()`
103 E*/
104 typedef enum {
105   TS_CONVERGED_ITERATING          = 0,
106   TS_CONVERGED_TIME               = 1,
107   TS_CONVERGED_ITS                = 2,
108   TS_CONVERGED_USER               = 3,
109   TS_CONVERGED_EVENT              = 4,
110   TS_CONVERGED_PSEUDO_FATOL       = 5,
111   TS_CONVERGED_PSEUDO_FRTOL       = 6,
112   TS_DIVERGED_NONLINEAR_SOLVE     = -1,
113   TS_DIVERGED_STEP_REJECTED       = -2,
114   TSFORWARD_DIVERGED_LINEAR_SOLVE = -3,
115   TSADJOINT_DIVERGED_LINEAR_SOLVE = -4
116 } TSConvergedReason;
117 PETSC_EXTERN const char *const*TSConvergedReasons;
118 
119 /*MC
120    TS_CONVERGED_ITERATING - this only occurs if TSGetConvergedReason() is called during the TSSolve()
121 
122    Level: beginner
123 
124 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`
125 M*/
126 
127 /*MC
128    TS_CONVERGED_TIME - the final time was reached
129 
130    Level: beginner
131 
132 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxTime()`, `TSGetMaxTime()`, `TSGetSolveTime()`
133 M*/
134 
135 /*MC
136    TS_CONVERGED_ITS - the maximum number of iterations (time-steps) was reached prior to the final time
137 
138    Level: beginner
139 
140 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxSteps()`, `TSGetMaxSteps()`
141 M*/
142 
143 /*MC
144    TS_CONVERGED_USER - user requested termination
145 
146    Level: beginner
147 
148 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`
149 M*/
150 
151 /*MC
152    TS_CONVERGED_EVENT - user requested termination on event detection
153 
154    Level: beginner
155 
156 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`
157 M*/
158 
159 /*MC
160    TS_CONVERGED_PSEUDO_FRTOL - stops when function norm decreased by a set amount, used only for TSPSEUDO
161 
162    Level: beginner
163 
164    Options Database:
165 .   -ts_pseudo_frtol <rtol> - use sepcified rtol
166 
167 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`, `TS_CONVERGED_PSEUDO_FATOL`
168 M*/
169 
170 /*MC
171    TS_CONVERGED_PSEUDO_FATOL - stops when function norm decreases below a set amount, used only for TSPSEUDO
172 
173    Level: beginner
174 
175    Options Database:
176 .   -ts_pseudo_fatol <atol> - use specified atol
177 
178 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`, `TS_CONVERGED_PSEUDO_FRTOL`
179 M*/
180 
181 /*MC
182    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed
183 
184    Level: beginner
185 
186    Notes:
187     See TSSetMaxSNESFailures() for how to allow more nonlinear solver failures.
188 
189 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSGetSNES()`, `SNESGetConvergedReason()`, `TSSetMaxSNESFailures()`
190 M*/
191 
192 /*MC
193    TS_DIVERGED_STEP_REJECTED - too many steps were rejected
194 
195    Level: beginner
196 
197    Notes:
198     See TSSetMaxStepRejections() for how to allow more step rejections.
199 
200 .seealso: `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxStepRejections()`
201 M*/
202 
203 /*E
204    TSExactFinalTimeOption - option for handling of final time step
205 
206    Level: beginner
207 
208    Developer Notes:
209     this must match petsc/finclude/petscts.h
210 
211 $  TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
212 $  TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
213 $  TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time
214 
215 .seealso: `TSGetConvergedReason()`, `TSSetExactFinalTime()`, `TSGetExactFinalTime()`
216 
217 E*/
218 typedef enum {TS_EXACTFINALTIME_UNSPECIFIED=0,TS_EXACTFINALTIME_STEPOVER=1,TS_EXACTFINALTIME_INTERPOLATE=2,TS_EXACTFINALTIME_MATCHSTEP=3} TSExactFinalTimeOption;
219 PETSC_EXTERN const char *const TSExactFinalTimeOptions[];
220 
221 /* Logging support */
222 PETSC_EXTERN PetscClassId TS_CLASSID;
223 PETSC_EXTERN PetscClassId DMTS_CLASSID;
224 PETSC_EXTERN PetscClassId TSADAPT_CLASSID;
225 
226 PETSC_EXTERN PetscErrorCode TSInitializePackage(void);
227 PETSC_EXTERN PetscErrorCode TSFinalizePackage(void);
228 
229 PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm,TS*);
230 PETSC_EXTERN PetscErrorCode TSClone(TS,TS*);
231 PETSC_EXTERN PetscErrorCode TSDestroy(TS*);
232 
233 PETSC_EXTERN PetscErrorCode TSSetProblemType(TS,TSProblemType);
234 PETSC_EXTERN PetscErrorCode TSGetProblemType(TS,TSProblemType*);
235 PETSC_EXTERN PetscErrorCode TSMonitor(TS,PetscInt,PetscReal,Vec);
236 PETSC_EXTERN PetscErrorCode TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
237 PETSC_EXTERN PetscErrorCode TSMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));
238 PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);
239 
240 PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS,const char[]);
241 PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS,const char[]);
242 PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS,const char *[]);
243 PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
244 PETSC_EXTERN PetscErrorCode TSSetUp(TS);
245 PETSC_EXTERN PetscErrorCode TSReset(TS);
246 
247 PETSC_EXTERN PetscErrorCode TSSetSolution(TS,Vec);
248 PETSC_EXTERN PetscErrorCode TSGetSolution(TS,Vec*);
249 
250 PETSC_EXTERN PetscErrorCode TS2SetSolution(TS,Vec,Vec);
251 PETSC_EXTERN PetscErrorCode TS2GetSolution(TS,Vec*,Vec*);
252 
253 PETSC_EXTERN PetscErrorCode TSGetSolutionComponents(TS,PetscInt*,Vec*);
254 PETSC_EXTERN PetscErrorCode TSGetAuxSolution(TS,Vec*);
255 PETSC_EXTERN PetscErrorCode TSGetTimeError(TS,PetscInt,Vec*);
256 PETSC_EXTERN PetscErrorCode TSSetTimeError(TS,Vec);
257 
258 PETSC_EXTERN PetscErrorCode TSSetRHSJacobianP(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
259 PETSC_EXTERN PetscErrorCode TSGetRHSJacobianP(TS,Mat*,PetscErrorCode(**)(TS,PetscReal,Vec,Mat,void*),void**);
260 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianP(TS,PetscReal,Vec,Mat);
261 PETSC_EXTERN PetscErrorCode TSSetIJacobianP(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Vec,PetscReal,Mat,void*),void*);
262 PETSC_EXTERN PetscErrorCode TSComputeIJacobianP(TS,PetscReal,Vec,Vec,PetscReal,Mat,PetscBool);
263 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobianP") PetscErrorCode TSComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
264 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobian") PetscErrorCode TSComputeDRDUFunction(TS,PetscReal,Vec,Vec*);
265 PETSC_EXTERN PetscErrorCode TSSetIHessianProduct(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
266                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
267                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
268                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
269                                                     void*);
270 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionUU(TS,PetscReal,Vec,Vec*,Vec,Vec*);
271 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionUP(TS,PetscReal,Vec,Vec*,Vec,Vec*);
272 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionPU(TS,PetscReal,Vec,Vec*,Vec,Vec*);
273 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionPP(TS,PetscReal,Vec,Vec*,Vec,Vec*);
274 PETSC_EXTERN PetscErrorCode TSSetRHSHessianProduct(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
275                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
276                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
277                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
278                                                     void*);
279 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionUU(TS,PetscReal,Vec,Vec*,Vec,Vec*);
280 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionUP(TS,PetscReal,Vec,Vec*,Vec,Vec*);
281 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionPU(TS,PetscReal,Vec,Vec*,Vec,Vec*);
282 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionPP(TS,PetscReal,Vec,Vec*,Vec,Vec*);
283 PETSC_EXTERN PetscErrorCode TSSetCostHessianProducts(TS,PetscInt,Vec*,Vec*,Vec);
284 PETSC_EXTERN PetscErrorCode TSGetCostHessianProducts(TS,PetscInt*,Vec**,Vec**,Vec*);
285 PETSC_EXTERN PetscErrorCode TSComputeSNESJacobian(TS,Vec,Mat,Mat);
286 
287 /*S
288      TSTrajectory - Abstract PETSc object that stores the trajectory (solution of ODE/DAE at each time step)
289 
290    Level: advanced
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 PETSC_EXTERN PetscErrorCode TSRemoveTrajectory(TS);
316 
317 PETSC_EXTERN PetscErrorCode TSTrajectoryCreate(MPI_Comm,TSTrajectory*);
318 PETSC_EXTERN PetscErrorCode TSTrajectoryReset(TSTrajectory);
319 PETSC_EXTERN PetscErrorCode TSTrajectoryDestroy(TSTrajectory*);
320 PETSC_EXTERN PetscErrorCode TSTrajectoryView(TSTrajectory,PetscViewer);
321 PETSC_EXTERN PetscErrorCode TSTrajectorySetType(TSTrajectory,TS,TSTrajectoryType);
322 PETSC_EXTERN PetscErrorCode TSTrajectoryGetType(TSTrajectory,TS,TSTrajectoryType*);
323 PETSC_EXTERN PetscErrorCode TSTrajectorySet(TSTrajectory,TS,PetscInt,PetscReal,Vec);
324 PETSC_EXTERN PetscErrorCode TSTrajectoryGet(TSTrajectory,TS,PetscInt,PetscReal*);
325 PETSC_EXTERN PetscErrorCode TSTrajectoryGetVecs(TSTrajectory,TS,PetscInt,PetscReal*,Vec,Vec);
326 PETSC_EXTERN PetscErrorCode TSTrajectoryGetUpdatedHistoryVecs(TSTrajectory,TS,PetscReal,Vec*,Vec*);
327 PETSC_EXTERN PetscErrorCode TSTrajectoryGetNumSteps(TSTrajectory,PetscInt*);
328 PETSC_EXTERN PetscErrorCode TSTrajectoryRestoreUpdatedHistoryVecs(TSTrajectory,Vec*,Vec*);
329 PETSC_EXTERN PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory,TS);
330 PETSC_EXTERN PetscErrorCode TSTrajectoryRegister(const char[],PetscErrorCode (*)(TSTrajectory,TS));
331 PETSC_EXTERN PetscErrorCode TSTrajectoryRegisterAll(void);
332 PETSC_EXTERN PetscErrorCode TSTrajectorySetUp(TSTrajectory,TS);
333 PETSC_EXTERN PetscErrorCode TSTrajectorySetUseHistory(TSTrajectory,PetscBool);
334 PETSC_EXTERN PetscErrorCode TSTrajectorySetMonitor(TSTrajectory,PetscBool);
335 PETSC_EXTERN PetscErrorCode TSTrajectorySetVariableNames(TSTrajectory,const char * const*);
336 PETSC_EXTERN PetscErrorCode TSTrajectorySetTransform(TSTrajectory,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
337 PETSC_EXTERN PetscErrorCode TSTrajectorySetSolutionOnly(TSTrajectory,PetscBool);
338 PETSC_EXTERN PetscErrorCode TSTrajectoryGetSolutionOnly(TSTrajectory,PetscBool*);
339 PETSC_EXTERN PetscErrorCode TSTrajectorySetKeepFiles(TSTrajectory,PetscBool);
340 PETSC_EXTERN PetscErrorCode TSTrajectorySetDirname(TSTrajectory,const char[]);
341 PETSC_EXTERN PetscErrorCode TSTrajectorySetFiletemplate(TSTrajectory,const char[]);
342 PETSC_EXTERN PetscErrorCode TSGetTrajectory(TS,TSTrajectory*);
343 
344 PETSC_EXTERN PetscErrorCode TSSetCostGradients(TS,PetscInt,Vec*,Vec*);
345 PETSC_EXTERN PetscErrorCode TSGetCostGradients(TS,PetscInt*,Vec**,Vec**);
346 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSCreateQuadratureTS() then set up the sub-TS (since version 3.12)") 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*);
347 PETSC_EXTERN PetscErrorCode TSGetCostIntegral(TS,Vec*);
348 PETSC_EXTERN PetscErrorCode TSComputeCostIntegrand(TS,PetscReal,Vec,Vec);
349 PETSC_EXTERN PetscErrorCode TSCreateQuadratureTS(TS,PetscBool,TS*);
350 PETSC_EXTERN PetscErrorCode TSGetQuadratureTS(TS,PetscBool*,TS*);
351 
352 PETSC_EXTERN PetscErrorCode TSAdjointSetFromOptions(PetscOptionItems*,TS);
353 PETSC_EXTERN PetscErrorCode TSAdjointMonitor(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*);
354 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*),void *,PetscErrorCode (*)(void**));
355 PETSC_EXTERN PetscErrorCode TSAdjointMonitorCancel(TS);
356 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));
357 
358 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSSetRHSJacobianP()")     PetscErrorCode TSAdjointSetRHSJacobian(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
359 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSComputeRHSJacobianP()") PetscErrorCode TSAdjointComputeRHSJacobian(TS,PetscReal,Vec,Mat);
360 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobianP") PetscErrorCode TSAdjointComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
361 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobian") PetscErrorCode TSAdjointComputeDRDYFunction(TS,PetscReal,Vec,Vec*);
362 PETSC_EXTERN PetscErrorCode TSAdjointSolve(TS);
363 PETSC_EXTERN PetscErrorCode TSAdjointSetSteps(TS,PetscInt);
364 
365 PETSC_EXTERN PetscErrorCode TSAdjointStep(TS);
366 PETSC_EXTERN PetscErrorCode TSAdjointSetUp(TS);
367 PETSC_EXTERN PetscErrorCode TSAdjointReset(TS);
368 PETSC_EXTERN PetscErrorCode TSAdjointCostIntegral(TS);
369 PETSC_EXTERN PetscErrorCode TSAdjointSetForward(TS,Mat);
370 PETSC_EXTERN PetscErrorCode TSAdjointResetForward(TS);
371 
372 PETSC_EXTERN PetscErrorCode TSForwardSetSensitivities(TS,PetscInt,Mat);
373 PETSC_EXTERN PetscErrorCode TSForwardGetSensitivities(TS,PetscInt*,Mat*);
374 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSCreateQuadratureTS() and TSForwardSetSensitivities() (since version 3.12)") PetscErrorCode TSForwardSetIntegralGradients(TS,PetscInt,Vec *);
375 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSForwardGetSensitivities()")                          PetscErrorCode TSForwardGetIntegralGradients(TS,PetscInt*,Vec **);
376 PETSC_EXTERN PetscErrorCode TSForwardSetUp(TS);
377 PETSC_EXTERN PetscErrorCode TSForwardReset(TS);
378 PETSC_EXTERN PetscErrorCode TSForwardCostIntegral(TS);
379 PETSC_EXTERN PetscErrorCode TSForwardStep(TS);
380 PETSC_EXTERN PetscErrorCode TSForwardSetInitialSensitivities(TS,Mat);
381 PETSC_EXTERN PetscErrorCode TSForwardGetStages(TS,PetscInt*,Mat*[]);
382 
383 PETSC_EXTERN PetscErrorCode TSSetMaxSteps(TS,PetscInt);
384 PETSC_EXTERN PetscErrorCode TSGetMaxSteps(TS,PetscInt*);
385 PETSC_EXTERN PetscErrorCode TSSetMaxTime(TS,PetscReal);
386 PETSC_EXTERN PetscErrorCode TSGetMaxTime(TS,PetscReal*);
387 PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS,TSExactFinalTimeOption);
388 PETSC_EXTERN PetscErrorCode TSGetExactFinalTime(TS,TSExactFinalTimeOption*);
389 PETSC_EXTERN PetscErrorCode TSSetTimeSpan(TS,PetscInt,PetscReal*);
390 PETSC_EXTERN PetscErrorCode TSGetTimeSpan(TS,PetscInt*,const PetscReal**);
391 PETSC_EXTERN PetscErrorCode TSGetTimeSpanSolutions(TS,PetscInt*,Vec**);
392 
393 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSSetTime[Step]() (since version 3.8)")      PetscErrorCode TSSetInitialTimeStep(TS,PetscReal,PetscReal);
394 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSSetMax{Steps|Time}() (since version 3.8)") PetscErrorCode TSSetDuration(TS,PetscInt,PetscReal);
395 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetMax{Steps|Time}() (since version 3.8)") PetscErrorCode TSGetDuration(TS,PetscInt*,PetscReal*);
396 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetStepNumber() (since version 3.8)")      PetscErrorCode TSGetTimeStepNumber(TS,PetscInt*);
397 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetStepNumber() (since version 3.8)")      PetscErrorCode TSGetTotalSteps(TS,PetscInt*);
398 
399 PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
400 PETSC_EXTERN PetscErrorCode TSMonitorExtreme(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
401 
402 typedef struct _n_TSMonitorDrawCtx*  TSMonitorDrawCtx;
403 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorDrawCtx *);
404 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx*);
405 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS,PetscInt,PetscReal,Vec,void*);
406 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionPhase(TS,PetscInt,PetscReal,Vec,void*);
407 PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS,PetscInt,PetscReal,Vec,void*);
408 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionFunction(TS,PetscInt,PetscReal,Vec,void*);
409 
410 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat *);
411 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDrawSensi(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*);
412 
413 PETSC_EXTERN PetscErrorCode TSMonitorSolution(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
414 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS,PetscInt,PetscReal,Vec,void*);
415 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void*);
416 
417 PETSC_EXTERN PetscErrorCode TSStep(TS);
418 PETSC_EXTERN PetscErrorCode TSEvaluateWLTE(TS,NormType,PetscInt*,PetscReal*);
419 PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS,PetscInt,Vec,PetscBool*);
420 PETSC_EXTERN PetscErrorCode TSSolve(TS,Vec);
421 PETSC_EXTERN PetscErrorCode TSGetEquationType(TS,TSEquationType*);
422 PETSC_EXTERN PetscErrorCode TSSetEquationType(TS,TSEquationType);
423 PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS,TSConvergedReason*);
424 PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS,TSConvergedReason);
425 PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS,PetscReal*);
426 PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS,PetscInt*);
427 PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS,PetscInt*);
428 PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS,PetscInt*);
429 PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS,PetscInt);
430 PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS,PetscInt*);
431 PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS,PetscInt);
432 PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS,PetscBool);
433 PETSC_EXTERN PetscErrorCode TSRestartStep(TS);
434 PETSC_EXTERN PetscErrorCode TSRollBack(TS);
435 
436 PETSC_EXTERN PetscErrorCode TSGetStages(TS,PetscInt*,Vec*[]);
437 
438 PETSC_EXTERN PetscErrorCode TSGetTime(TS,PetscReal*);
439 PETSC_EXTERN PetscErrorCode TSSetTime(TS,PetscReal);
440 PETSC_EXTERN PetscErrorCode TSGetPrevTime(TS,PetscReal*);
441 PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS,PetscReal*);
442 PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS,PetscReal);
443 PETSC_EXTERN PetscErrorCode TSGetStepNumber(TS,PetscInt*);
444 PETSC_EXTERN PetscErrorCode TSSetStepNumber(TS,PetscInt);
445 
446 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
447 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat,Mat,void*);
448 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobianP)(TS,PetscReal,Vec,Mat,void*);
449 PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
450 PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
451 PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
452 PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
453 PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS,PetscBool);
454 
455 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS,PetscReal,Vec,void*);
456 PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS,TSSolutionFunction,void*);
457 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSForcingFunction)(TS,PetscReal,Vec,void*);
458 PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS,TSForcingFunction,void*);
459 
460 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
461 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
462 PETSC_EXTERN PetscErrorCode TSSetIFunction(TS,Vec,TSIFunction,void*);
463 PETSC_EXTERN PetscErrorCode TSGetIFunction(TS,Vec*,TSIFunction*,void**);
464 PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
465 PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);
466 
467 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Function)(TS,PetscReal,Vec,Vec,Vec,Vec,void*);
468 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Jacobian)(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat,void*);
469 PETSC_EXTERN PetscErrorCode TSSetI2Function(TS,Vec,TSI2Function,void*);
470 PETSC_EXTERN PetscErrorCode TSGetI2Function(TS,Vec*,TSI2Function*,void**);
471 PETSC_EXTERN PetscErrorCode TSSetI2Jacobian(TS,Mat,Mat,TSI2Jacobian,void*);
472 PETSC_EXTERN PetscErrorCode TSGetI2Jacobian(TS,Mat*,Mat*,TSI2Jacobian*,void**);
473 
474 PETSC_EXTERN PetscErrorCode TSRHSSplitSetIS(TS,const char[],IS);
475 PETSC_EXTERN PetscErrorCode TSRHSSplitGetIS(TS,const char[],IS*);
476 PETSC_EXTERN PetscErrorCode TSRHSSplitSetRHSFunction(TS,const char[],Vec,TSRHSFunction,void*);
477 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTS(TS,const char[],TS*);
478 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTSs(TS,PetscInt*,TS*[]);
479 PETSC_EXTERN PetscErrorCode TSSetUseSplitRHSFunction(TS, PetscBool);
480 PETSC_EXTERN PetscErrorCode TSGetUseSplitRHSFunction(TS, PetscBool*);
481 
482 PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
483 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat,Mat,void*);
484 PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
485 PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
486 PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS,PetscReal,Vec);
487 PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS,PetscReal,Vec);
488 PETSC_EXTERN PetscErrorCode TSComputeIJacobianDefaultColor(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
489 
490 PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
491 PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS,PetscReal));
492 PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS,PetscReal,PetscInt,Vec*));
493 PETSC_EXTERN PetscErrorCode TSSetPostEvaluate(TS, PetscErrorCode(*)(TS));
494 PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
495 PETSC_EXTERN PetscErrorCode TSPreStep(TS);
496 PETSC_EXTERN PetscErrorCode TSPreStage(TS,PetscReal);
497 PETSC_EXTERN PetscErrorCode TSPostStage(TS,PetscReal,PetscInt,Vec*);
498 PETSC_EXTERN PetscErrorCode TSPostEvaluate(TS);
499 PETSC_EXTERN PetscErrorCode TSPostStep(TS);
500 PETSC_EXTERN PetscErrorCode TSInterpolate(TS,PetscReal,Vec);
501 PETSC_EXTERN PetscErrorCode TSSetTolerances(TS,PetscReal,Vec,PetscReal,Vec);
502 PETSC_EXTERN PetscErrorCode TSGetTolerances(TS,PetscReal*,Vec*,PetscReal*,Vec*);
503 PETSC_EXTERN PetscErrorCode TSErrorWeightedNormInfinity(TS,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
504 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm2(TS,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
505 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm(TS,Vec,Vec,NormType,PetscReal*,PetscReal*,PetscReal*);
506 PETSC_EXTERN PetscErrorCode TSErrorWeightedENormInfinity(TS,Vec,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
507 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm2(TS,Vec,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
508 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm(TS,Vec,Vec,Vec,NormType,PetscReal*,PetscReal*,PetscReal*);
509 PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS,PetscReal);
510 PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS,PetscReal*);
511 PETSC_EXTERN PetscErrorCode TSSetFunctionDomainError(TS, PetscErrorCode (*)(TS,PetscReal,Vec,PetscBool*));
512 PETSC_EXTERN PetscErrorCode TSFunctionDomainError(TS,PetscReal,Vec,PetscBool*);
513 
514 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
515 PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS,PetscReal*,void*);
516 PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS,PetscReal *);
517 PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS,PetscReal);
518 PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
519 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS,Vec,void*,PetscReal*,PetscBool *);
520 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
521 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS,PetscReal);
522 PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);
523 
524 PETSC_EXTERN PetscErrorCode TSPythonSetType(TS,const char[]);
525 
526 PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
527 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS,PetscReal,Vec,Mat,Mat);
528 PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
529 PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,PetscBool);
530 PETSC_EXTERN PetscErrorCode TSComputeI2Function(TS,PetscReal,Vec,Vec,Vec,Vec);
531 PETSC_EXTERN PetscErrorCode TSComputeI2Jacobian(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat);
532 PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS,PetscReal,PetscReal,PetscReal*,PetscReal*);
533 
534 PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS,Vec,Vec);
535 
536 PETSC_EXTERN PetscErrorCode DMTSSetBoundaryLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *);
537 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM,TSRHSFunction,void*);
538 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM,TSRHSFunction*,void**);
539 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM,TSRHSJacobian,void*);
540 PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM,TSRHSJacobian*,void**);
541 PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM,TSIFunction,void*);
542 PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM,TSIFunction*,void**);
543 PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM,TSIJacobian,void*);
544 PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM,TSIJacobian*,void**);
545 PETSC_EXTERN PetscErrorCode DMTSSetI2Function(DM,TSI2Function,void*);
546 PETSC_EXTERN PetscErrorCode DMTSGetI2Function(DM,TSI2Function*,void**);
547 PETSC_EXTERN PetscErrorCode DMTSSetI2Jacobian(DM,TSI2Jacobian,void*);
548 PETSC_EXTERN PetscErrorCode DMTSGetI2Jacobian(DM,TSI2Jacobian*,void**);
549 
550 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSTransientVariable)(TS,Vec,Vec,void*);
551 PETSC_EXTERN PetscErrorCode TSSetTransientVariable(TS,TSTransientVariable,void*);
552 PETSC_EXTERN PetscErrorCode DMTSSetTransientVariable(DM,TSTransientVariable,void*);
553 PETSC_EXTERN PetscErrorCode DMTSGetTransientVariable(DM,TSTransientVariable*,void*);
554 PETSC_EXTERN PetscErrorCode TSComputeTransientVariable(TS,Vec,Vec);
555 PETSC_EXTERN PetscErrorCode TSHasTransientVariable(TS,PetscBool*);
556 
557 PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM,TSSolutionFunction,void*);
558 PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM,TSSolutionFunction*,void**);
559 PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM,TSForcingFunction,void*);
560 PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM,TSForcingFunction*,void**);
561 PETSC_EXTERN PetscErrorCode DMTSCheckResidual(TS, DM, PetscReal, Vec, Vec, PetscReal, PetscReal *);
562 PETSC_EXTERN PetscErrorCode DMTSCheckJacobian(TS, DM, PetscReal, Vec, Vec, PetscReal, PetscBool *, PetscReal *);
563 PETSC_EXTERN PetscErrorCode DMTSCheckFromOptions(TS, Vec);
564 
565 PETSC_EXTERN PetscErrorCode DMTSGetIFunctionLocal(DM,PetscErrorCode (**)(DM,PetscReal,Vec,Vec,Vec,void*),void**);
566 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,Vec,void*),void*);
567 PETSC_EXTERN PetscErrorCode DMTSGetIJacobianLocal(DM,PetscErrorCode (**)(DM,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*),void**);
568 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*),void*);
569 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunctionLocal(DM,PetscErrorCode (**)(DM,PetscReal,Vec,Vec,void*),void**);
570 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,void*),void*);
571 PETSC_EXTERN PetscErrorCode DMTSCreateRHSMassMatrix(DM);
572 PETSC_EXTERN PetscErrorCode DMTSCreateRHSMassMatrixLumped(DM);
573 PETSC_EXTERN PetscErrorCode DMTSDestroyRHSMassMatrix(DM);
574 
575 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
576 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
577 
578 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*);
579 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*);
580 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*);
581 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*);
582 
583 PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*),void *);
584 PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*),void *);
585 PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*),void *);
586 PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*),void *);
587 
588 PETSC_EXTERN PetscErrorCode DMPlexTSGetGeometryFVM(DM,Vec*,Vec*,PetscReal*);
589 
590 typedef struct _n_TSMonitorLGCtx*  TSMonitorLGCtx;
591 typedef struct {
592   Vec            ray;
593   VecScatter     scatter;
594   PetscViewer    viewer;
595   TSMonitorLGCtx lgctx;
596 } TSMonitorDMDARayCtx;
597 PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void**);
598 PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS,PetscInt,PetscReal,Vec,void*);
599 PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS,PetscInt,PetscReal,Vec,void*);
600 
601 /* Dynamic creation and loading functions */
602 PETSC_EXTERN PetscFunctionList TSList;
603 PETSC_EXTERN PetscErrorCode TSGetType(TS,TSType*);
604 PETSC_EXTERN PetscErrorCode TSSetType(TS,TSType);
605 PETSC_EXTERN PetscErrorCode TSRegister(const char[], PetscErrorCode (*)(TS));
606 
607 PETSC_EXTERN PetscErrorCode TSGetSNES(TS,SNES*);
608 PETSC_EXTERN PetscErrorCode TSSetSNES(TS,SNES);
609 PETSC_EXTERN PetscErrorCode TSGetKSP(TS,KSP*);
610 
611 PETSC_EXTERN PetscErrorCode TSView(TS,PetscViewer);
612 PETSC_EXTERN PetscErrorCode TSLoad(TS,PetscViewer);
613 PETSC_EXTERN PetscErrorCode TSViewFromOptions(TS,PetscObject,const char[]);
614 PETSC_EXTERN PetscErrorCode TSTrajectoryViewFromOptions(TSTrajectory,PetscObject,const char[]);
615 
616 #define TS_FILE_CLASSID 1211225
617 
618 PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS,void *);
619 PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS,void *);
620 
621 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtx *);
622 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx*);
623 PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS,PetscInt,PetscReal,Vec,void *);
624 PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS,PetscInt,PetscReal,Vec,void *);
625 PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS,const char * const*);
626 PETSC_EXTERN PetscErrorCode TSMonitorLGGetVariableNames(TS,const char *const **);
627 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetVariableNames(TSMonitorLGCtx,const char * const *);
628 PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS,const char * const*);
629 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetDisplayVariables(TSMonitorLGCtx,const char * const*);
630 PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
631 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetTransform(TSMonitorLGCtx,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void *);
632 PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS,PetscInt,PetscReal,Vec,void *);
633 PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS,PetscInt,PetscReal,Vec,void *);
634 PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS,PetscInt,PetscReal,Vec,void *);
635 PETSC_EXTERN PetscErrorCode TSMonitorError(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat *);
636 PETSC_EXTERN PetscErrorCode TSDMSwarmMonitorMoments(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat *);
637 
638 struct _n_TSMonitorLGCtxNetwork {
639   PetscInt       nlg;
640   PetscDrawLG    *lg;
641   PetscBool      semilogy;
642   PetscInt       howoften;  /* when > 0 uses step % howoften, when negative only final solution plotted */
643 };
644 typedef struct _n_TSMonitorLGCtxNetwork*  TSMonitorLGCtxNetwork;
645 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxNetworkDestroy(TSMonitorLGCtxNetwork*);
646 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxNetworkCreate(TS,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtxNetwork*);
647 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxNetworkSolution(TS,PetscInt,PetscReal,Vec,void*);
648 
649 typedef struct _n_TSMonitorEnvelopeCtx*  TSMonitorEnvelopeCtx;
650 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxCreate(TS,TSMonitorEnvelopeCtx*);
651 PETSC_EXTERN PetscErrorCode TSMonitorEnvelope(TS,PetscInt,PetscReal,Vec,void*);
652 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeGetBounds(TS,Vec*,Vec*);
653 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxDestroy(TSMonitorEnvelopeCtx*);
654 
655 typedef struct _n_TSMonitorSPEigCtx*  TSMonitorSPEigCtx;
656 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPEigCtx *);
657 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx*);
658 PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS,PetscInt,PetscReal,Vec,void *);
659 
660 typedef struct _n_TSMonitorSPCtx* TSMonitorSPCtx;
661 PETSC_EXTERN PetscErrorCode TSMonitorSPCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,PetscInt,PetscBool,TSMonitorSPCtx*);
662 PETSC_EXTERN PetscErrorCode TSMonitorSPCtxDestroy(TSMonitorSPCtx*);
663 PETSC_EXTERN PetscErrorCode TSMonitorSPSwarmSolution(TS,PetscInt,PetscReal,Vec,void*);
664 
665 PETSC_EXTERN PetscErrorCode TSSetEventHandler(TS,PetscInt,PetscInt[],PetscBool[],PetscErrorCode (*)(TS,PetscReal,Vec,PetscScalar[],void*),PetscErrorCode (*)(TS,PetscInt,PetscInt[],PetscReal,Vec,PetscBool,void*),void*);
666 PETSC_EXTERN PetscErrorCode TSSetPostEventIntervalStep(TS,PetscReal);
667 PETSC_EXTERN PetscErrorCode TSSetEventTolerances(TS,PetscReal,PetscReal[]);
668 PETSC_EXTERN PetscErrorCode TSGetNumEvents(TS,PetscInt*);
669 
670 /*J
671    TSSSPType - string with the name of TSSSP scheme.
672 
673    Level: beginner
674 
675 .seealso: `TSSSPSetType()`, `TS`
676 J*/
677 typedef const char* TSSSPType;
678 #define TSSSPRKS2  "rks2"
679 #define TSSSPRKS3  "rks3"
680 #define TSSSPRK104 "rk104"
681 
682 PETSC_EXTERN PetscErrorCode TSSSPSetType(TS,TSSSPType);
683 PETSC_EXTERN PetscErrorCode TSSSPGetType(TS,TSSSPType*);
684 PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
685 PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
686 PETSC_EXTERN PetscErrorCode TSSSPInitializePackage(void);
687 PETSC_EXTERN PetscErrorCode TSSSPFinalizePackage(void);
688 PETSC_EXTERN PetscFunctionList TSSSPList;
689 
690 /*S
691    TSAdapt - Abstract object that manages time-step adaptivity
692 
693    Level: beginner
694 
695 .seealso: `TS`, `TSAdaptCreate()`, `TSAdaptType`
696 S*/
697 typedef struct _p_TSAdapt *TSAdapt;
698 
699 /*J
700     TSAdaptType - String with the name of TSAdapt scheme.
701 
702    Level: beginner
703 
704 .seealso: `TSAdaptSetType()`, `TS`
705 J*/
706 typedef const char *TSAdaptType;
707 #define TSADAPTNONE    "none"
708 #define TSADAPTBASIC   "basic"
709 #define TSADAPTDSP     "dsp"
710 #define TSADAPTCFL     "cfl"
711 #define TSADAPTGLEE    "glee"
712 #define TSADAPTHISTORY "history"
713 
714 PETSC_EXTERN PetscErrorCode TSGetAdapt(TS,TSAdapt*);
715 PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[],PetscErrorCode (*)(TSAdapt));
716 PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void);
717 PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
718 PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm,TSAdapt*);
719 PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt,TSAdaptType);
720 PETSC_EXTERN PetscErrorCode TSAdaptGetType(TSAdapt,TSAdaptType*);
721 PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt,const char[]);
722 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
723 PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt,const char[],PetscInt,PetscInt,PetscReal,PetscReal,PetscBool);
724 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt,PetscInt*,const PetscInt**,const PetscInt**,const PetscReal**,const PetscReal**);
725 PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt,TS,PetscReal,PetscInt*,PetscReal*,PetscBool*);
726 PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt,TS,PetscReal,Vec,PetscBool*);
727 PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt,PetscViewer);
728 PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt,PetscViewer);
729 PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(PetscOptionItems*,TSAdapt);
730 PETSC_EXTERN PetscErrorCode TSAdaptReset(TSAdapt);
731 PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt*);
732 PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt,PetscBool);
733 PETSC_EXTERN PetscErrorCode TSAdaptSetAlwaysAccept(TSAdapt,PetscBool);
734 PETSC_EXTERN PetscErrorCode TSAdaptSetSafety(TSAdapt,PetscReal,PetscReal);
735 PETSC_EXTERN PetscErrorCode TSAdaptGetSafety(TSAdapt,PetscReal*,PetscReal*);
736 PETSC_EXTERN PetscErrorCode TSAdaptSetMaxIgnore(TSAdapt,PetscReal);
737 PETSC_EXTERN PetscErrorCode TSAdaptGetMaxIgnore(TSAdapt,PetscReal*);
738 PETSC_EXTERN PetscErrorCode TSAdaptSetClip(TSAdapt,PetscReal,PetscReal);
739 PETSC_EXTERN PetscErrorCode TSAdaptGetClip(TSAdapt,PetscReal*,PetscReal*);
740 PETSC_EXTERN PetscErrorCode TSAdaptSetScaleSolveFailed(TSAdapt,PetscReal);
741 PETSC_EXTERN PetscErrorCode TSAdaptGetScaleSolveFailed(TSAdapt,PetscReal*);
742 PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt,PetscReal,PetscReal);
743 PETSC_EXTERN PetscErrorCode TSAdaptGetStepLimits(TSAdapt,PetscReal*,PetscReal*);
744 PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt,PetscErrorCode(*)(TSAdapt,TS,PetscReal,Vec,PetscBool*));
745 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetHistory(TSAdapt,PetscInt n,PetscReal hist[],PetscBool);
746 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetTrajectory(TSAdapt,TSTrajectory,PetscBool);
747 PETSC_EXTERN PetscErrorCode TSAdaptHistoryGetStep(TSAdapt,PetscInt,PetscReal*,PetscReal*);
748 PETSC_EXTERN PetscErrorCode TSAdaptSetTimeStepIncreaseDelay(TSAdapt,PetscInt);
749 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetFilter(TSAdapt,const char *);
750 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetPID(TSAdapt,PetscReal,PetscReal,PetscReal);
751 
752 /*S
753    TSGLLEAdapt - Abstract object that manages time-step adaptivity
754 
755    Level: beginner
756 
757    Developer Notes:
758    This functionality should be replaced by the TSAdapt.
759 
760 .seealso: `TSGLLE`, `TSGLLEAdaptCreate()`, `TSGLLEAdaptType`
761 S*/
762 typedef struct _p_TSGLLEAdapt *TSGLLEAdapt;
763 
764 /*J
765     TSGLLEAdaptType - String with the name of TSGLLEAdapt scheme
766 
767    Level: beginner
768 
769 .seealso: `TSGLLEAdaptSetType()`, `TS`
770 J*/
771 typedef const char *TSGLLEAdaptType;
772 #define TSGLLEADAPT_NONE "none"
773 #define TSGLLEADAPT_SIZE "size"
774 #define TSGLLEADAPT_BOTH "both"
775 
776 PETSC_EXTERN PetscErrorCode TSGLLEAdaptRegister(const char[],PetscErrorCode (*)(TSGLLEAdapt));
777 PETSC_EXTERN PetscErrorCode TSGLLEAdaptInitializePackage(void);
778 PETSC_EXTERN PetscErrorCode TSGLLEAdaptFinalizePackage(void);
779 PETSC_EXTERN PetscErrorCode TSGLLEAdaptCreate(MPI_Comm,TSGLLEAdapt*);
780 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetType(TSGLLEAdapt,TSGLLEAdaptType);
781 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetOptionsPrefix(TSGLLEAdapt,const char[]);
782 PETSC_EXTERN PetscErrorCode TSGLLEAdaptChoose(TSGLLEAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
783 PETSC_EXTERN PetscErrorCode TSGLLEAdaptView(TSGLLEAdapt,PetscViewer);
784 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetFromOptions(PetscOptionItems*,TSGLLEAdapt);
785 PETSC_EXTERN PetscErrorCode TSGLLEAdaptDestroy(TSGLLEAdapt*);
786 
787 /*J
788     TSGLLEAcceptType - String with the name of TSGLLEAccept scheme
789 
790    Level: beginner
791 
792 .seealso: `TSGLLESetAcceptType()`, `TS`
793 J*/
794 typedef const char *TSGLLEAcceptType;
795 #define TSGLLEACCEPT_ALWAYS "always"
796 
797 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLLEAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
798 PETSC_EXTERN PetscErrorCode TSGLLEAcceptRegister(const char[],TSGLLEAcceptFunction);
799 
800 /*J
801   TSGLLEType - family of time integration method within the General Linear class
802 
803   Level: beginner
804 
805 .seealso: `TSGLLESetType()`, `TSGLLERegister()`
806 J*/
807 typedef const char* TSGLLEType;
808 #define TSGLLE_IRKS   "irks"
809 
810 PETSC_EXTERN PetscErrorCode TSGLLERegister(const char[],PetscErrorCode(*)(TS));
811 PETSC_EXTERN PetscErrorCode TSGLLEInitializePackage(void);
812 PETSC_EXTERN PetscErrorCode TSGLLEFinalizePackage(void);
813 PETSC_EXTERN PetscErrorCode TSGLLESetType(TS,TSGLLEType);
814 PETSC_EXTERN PetscErrorCode TSGLLEGetAdapt(TS,TSGLLEAdapt*);
815 PETSC_EXTERN PetscErrorCode TSGLLESetAcceptType(TS,TSGLLEAcceptType);
816 
817 /*J
818     TSEIMEXType - String with the name of an Extrapolated IMEX method.
819 
820    Level: beginner
821 
822 .seealso: `TSEIMEXSetType()`, `TS`, `TSEIMEX`, `TSEIMEXRegister()`
823 J*/
824 #define TSEIMEXType   char*
825 
826 PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts,PetscInt);
827 PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts,PetscInt,PetscInt);
828 PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS,PetscBool);
829 
830 /*J
831     TSRKType - String with the name of a Runge-Kutta method.
832 
833    Level: beginner
834 
835 .seealso: `TSRKSetType()`, `TS`, `TSRK`, `TSRKRegister()`
836 J*/
837 typedef const char* TSRKType;
838 #define TSRK1FE   "1fe"
839 #define TSRK2A    "2a"
840 #define TSRK2B    "2b"
841 #define TSRK3     "3"
842 #define TSRK3BS   "3bs"
843 #define TSRK4     "4"
844 #define TSRK5F    "5f"
845 #define TSRK5DP   "5dp"
846 #define TSRK5BS   "5bs"
847 #define TSRK6VR   "6vr"
848 #define TSRK7VR   "7vr"
849 #define TSRK8VR   "8vr"
850 
851 PETSC_EXTERN PetscErrorCode TSRKGetOrder(TS,PetscInt*);
852 PETSC_EXTERN PetscErrorCode TSRKGetType(TS,TSRKType*);
853 PETSC_EXTERN PetscErrorCode TSRKSetType(TS,TSRKType);
854 PETSC_EXTERN PetscErrorCode TSRKGetTableau(TS,PetscInt*,const PetscReal**,const PetscReal**,const PetscReal**,const PetscReal**,PetscInt*,const PetscReal**,PetscBool*);
855 PETSC_EXTERN PetscErrorCode TSRKSetMultirate(TS,PetscBool);
856 PETSC_EXTERN PetscErrorCode TSRKGetMultirate(TS,PetscBool*);
857 PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
858 PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void);
859 PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void);
860 PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void);
861 
862 /*J
863    TSMPRKType - String with the name of a Partitioned Runge-Kutta method
864 
865    Level: beginner
866 
867 .seealso: `TSMPRKSetType()`, `TS`, `TSMPRK`, `TSMPRKRegister()`
868 J*/
869 typedef const char* TSMPRKType;
870 #define TSMPRK2A22  "2a22"
871 #define TSMPRK2A23  "2a23"
872 #define TSMPRK2A32  "2a32"
873 #define TSMPRK2A33  "2a33"
874 #define TSMPRKP2    "p2"
875 #define TSMPRKP3    "p3"
876 
877 PETSC_EXTERN PetscErrorCode TSMPRKGetType(TS ts,TSMPRKType*);
878 PETSC_EXTERN PetscErrorCode TSMPRKSetType(TS ts,TSMPRKType);
879 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[]);
880 PETSC_EXTERN PetscErrorCode TSMPRKInitializePackage(void);
881 PETSC_EXTERN PetscErrorCode TSMPRKFinalizePackage(void);
882 PETSC_EXTERN PetscErrorCode TSMPRKRegisterDestroy(void);
883 
884 /*J
885     TSIRKType - String with the name of an implicit Runge-Kutta method.
886 
887    Level: beginner
888 
889 .seealso: `TSIRKSetType()`, `TS`, `TSIRK`, `TSIRKRegister()`
890 J*/
891 typedef const char* TSIRKType;
892 #define TSIRKGAUSS   "gauss"
893 
894 PETSC_EXTERN PetscErrorCode TSIRKGetOrder(TS,PetscInt*);
895 PETSC_EXTERN PetscErrorCode TSIRKGetType(TS,TSIRKType*);
896 PETSC_EXTERN PetscErrorCode TSIRKSetType(TS,TSIRKType);
897 PETSC_EXTERN PetscErrorCode TSIRKGetNumStages(TS,PetscInt*);
898 PETSC_EXTERN PetscErrorCode TSIRKSetNumStages(TS,PetscInt);
899 PETSC_EXTERN PetscErrorCode TSIRKRegister(const char[],PetscErrorCode (*function)(TS));
900 PETSC_EXTERN PetscErrorCode TSIRKTableauCreate(TS,PetscInt,const PetscReal*,const PetscReal*,const PetscReal*,const PetscReal*,const PetscScalar*,const PetscScalar*,const PetscScalar*);
901 PETSC_EXTERN PetscErrorCode TSIRKInitializePackage(void);
902 PETSC_EXTERN PetscErrorCode TSIRKFinalizePackage(void);
903 PETSC_EXTERN PetscErrorCode TSIRKRegisterDestroy(void);
904 
905 /*J
906     TSGLEEType - String with the name of a General Linear with Error Estimation method.
907 
908    Level: beginner
909 
910 .seealso: `TSGLEESetType()`, `TS`, `TSGLEE`, `TSGLEERegister()`
911 J*/
912 typedef const char* TSGLEEType;
913 #define TSGLEEi1      "BE1"
914 #define TSGLEE23      "23"
915 #define TSGLEE24      "24"
916 #define TSGLEE25I     "25i"
917 #define TSGLEE35      "35"
918 #define TSGLEEEXRK2A  "exrk2a"
919 #define TSGLEERK32G1  "rk32g1"
920 #define TSGLEERK285EX "rk285ex"
921 /*J
922     TSGLEEMode - String with the mode of error estimation for a General Linear with Error Estimation method.
923 
924    Level: beginner
925 
926 .seealso: `TSGLEESetMode()`, `TS`, `TSGLEE`, `TSGLEERegister()`
927 J*/
928 PETSC_EXTERN PetscErrorCode TSGLEEGetType(TS ts,TSGLEEType*);
929 PETSC_EXTERN PetscErrorCode TSGLEESetType(TS ts,TSGLEEType);
930 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[]);
931 PETSC_EXTERN PetscErrorCode TSGLEEFinalizePackage(void);
932 PETSC_EXTERN PetscErrorCode TSGLEEInitializePackage(void);
933 PETSC_EXTERN PetscErrorCode TSGLEERegisterDestroy(void);
934 
935 /*J
936     TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX method.
937 
938    Level: beginner
939 
940 .seealso: `TSARKIMEXSetType()`, `TS`, `TSARKIMEX`, `TSARKIMEXRegister()`
941 J*/
942 typedef const char* TSARKIMEXType;
943 #define TSARKIMEX1BEE   "1bee"
944 #define TSARKIMEXA2     "a2"
945 #define TSARKIMEXL2     "l2"
946 #define TSARKIMEXARS122 "ars122"
947 #define TSARKIMEX2C     "2c"
948 #define TSARKIMEX2D     "2d"
949 #define TSARKIMEX2E     "2e"
950 #define TSARKIMEXPRSSP2 "prssp2"
951 #define TSARKIMEX3      "3"
952 #define TSARKIMEXBPR3   "bpr3"
953 #define TSARKIMEXARS443 "ars443"
954 #define TSARKIMEX4      "4"
955 #define TSARKIMEX5      "5"
956 PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts,TSARKIMEXType*);
957 PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts,TSARKIMEXType);
958 PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
959 PETSC_EXTERN PetscErrorCode TSARKIMEXGetFullyImplicit(TS,PetscBool*);
960 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[]);
961 PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
962 PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
963 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);
964 
965 /*J
966     TSRosWType - String with the name of a Rosenbrock-W method.
967 
968    Level: beginner
969 
970 .seealso: `TSRosWSetType()`, `TS`, `TSROSW`, `TSRosWRegister()`
971 J*/
972 typedef const char* TSRosWType;
973 #define TSROSW2M          "2m"
974 #define TSROSW2P          "2p"
975 #define TSROSWRA3PW       "ra3pw"
976 #define TSROSWRA34PW2     "ra34pw2"
977 #define TSROSWRODAS3      "rodas3"
978 #define TSROSWSANDU3      "sandu3"
979 #define TSROSWASSP3P3S1C  "assp3p3s1c"
980 #define TSROSWLASSP3P4S2C "lassp3p4s2c"
981 #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
982 #define TSROSWARK3        "ark3"
983 #define TSROSWTHETA1      "theta1"
984 #define TSROSWTHETA2      "theta2"
985 #define TSROSWGRK4T       "grk4t"
986 #define TSROSWSHAMP4      "shamp4"
987 #define TSROSWVELDD4      "veldd4"
988 #define TSROSW4L          "4l"
989 
990 PETSC_EXTERN PetscErrorCode TSRosWGetType(TS,TSRosWType*);
991 PETSC_EXTERN PetscErrorCode TSRosWSetType(TS,TSRosWType);
992 PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS,PetscBool);
993 PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
994 PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
995 PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void);
996 PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
997 PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);
998 
999 PETSC_EXTERN PetscErrorCode TSBDFSetOrder(TS,PetscInt);
1000 PETSC_EXTERN PetscErrorCode TSBDFGetOrder(TS,PetscInt*);
1001 
1002 /*J
1003   TSBasicSymplecticType - String with the name of a basic symplectic integration method.
1004 
1005   Level: beginner
1006 
1007   .seealso: `TSBasicSymplecticSetType()`, `TS`, `TSBASICSYMPLECTIC`, `TSBasicSymplecticRegister()`
1008 J*/
1009 typedef const char* TSBasicSymplecticType;
1010 #define TSBASICSYMPLECTICSIEULER   "1"
1011 #define TSBASICSYMPLECTICVELVERLET "2"
1012 #define TSBASICSYMPLECTIC3         "3"
1013 #define TSBASICSYMPLECTIC4         "4"
1014 PETSC_EXTERN PetscErrorCode TSBasicSymplecticSetType(TS,TSBasicSymplecticType);
1015 PETSC_EXTERN PetscErrorCode TSBasicSymplecticGetType(TS,TSBasicSymplecticType*);
1016 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegister(TSBasicSymplecticType,PetscInt,PetscInt,PetscReal[],PetscReal[]);
1017 PETSC_EXTERN PetscErrorCode TSBasicSymplecticInitializePackage(void);
1018 PETSC_EXTERN PetscErrorCode TSBasicSymplecticFinalizePackage(void);
1019 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegisterDestroy(void);
1020 
1021 /*J
1022   TSDiscreteGradient - The Discrete Gradient integrator is a timestepper for hamiltonian systems designed to conserve the first integral (energy), but also has the property for some systems of monotonicity in a functional.
1023 
1024   Level: beginner
1025 
1026   .seealso: `TS`, `TSDISCGRAD`, `TSDiscGradSetFormulation()`, `TSDiscGradGetFormulation`
1027 J*/
1028 PETSC_EXTERN PetscErrorCode TSDiscGradSetFormulation(TS, PetscErrorCode(*)(TS, PetscReal, Vec, Mat, void *), PetscErrorCode(*)(TS, PetscReal, Vec, PetscScalar *, void *), PetscErrorCode(*)(TS, PetscReal, Vec, Vec, void *), void *);
1029 PETSC_EXTERN PetscErrorCode TSDiscGradIsGonzalez(TS,PetscBool*);
1030 PETSC_EXTERN PetscErrorCode TSDiscGradUseGonzalez(TS,PetscBool);
1031 
1032 /*
1033        PETSc interface to Sundials
1034 */
1035 #ifdef PETSC_HAVE_SUNDIALS2
1036 typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
1037 PETSC_EXTERN const char *const TSSundialsLmmTypes[];
1038 typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
1039 PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
1040 PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS,TSSundialsLmmType);
1041 PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS,PC*);
1042 PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS,PetscReal,PetscReal);
1043 PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS,PetscReal);
1044 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS,PetscReal);
1045 PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
1046 PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
1047 PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS,PetscInt);
1048 PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS,PetscReal);
1049 PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS,PetscBool);
1050 PETSC_EXTERN PetscErrorCode TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
1051 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS,PetscInt);
1052 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxord(TS,PetscInt);
1053 PETSC_EXTERN PetscErrorCode TSSundialsSetUseDense(TS,PetscBool);
1054 #endif
1055 
1056 PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS,PetscReal);
1057 PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS,PetscReal*);
1058 PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS,PetscBool*);
1059 PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS,PetscBool);
1060 
1061 PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS,PetscReal);
1062 PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
1063 PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);
1064 
1065 PETSC_EXTERN PetscErrorCode TSAlpha2SetRadius(TS,PetscReal);
1066 PETSC_EXTERN PetscErrorCode TSAlpha2SetParams(TS,PetscReal,PetscReal,PetscReal,PetscReal);
1067 PETSC_EXTERN PetscErrorCode TSAlpha2GetParams(TS,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
1068 
1069 PETSC_EXTERN PetscErrorCode TSSetDM(TS,DM);
1070 PETSC_EXTERN PetscErrorCode TSGetDM(TS,DM*);
1071 
1072 PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES,Vec,Vec,void*);
1073 PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES,Vec,Mat,Mat,void*);
1074 
1075 PETSC_EXTERN PetscErrorCode TSRHSJacobianTest(TS,PetscBool*);
1076 PETSC_EXTERN PetscErrorCode TSRHSJacobianTestTranspose(TS,PetscBool*);
1077 
1078 PETSC_EXTERN PetscErrorCode TSGetComputeInitialCondition(TS, PetscErrorCode (**)(TS, Vec));
1079 PETSC_EXTERN PetscErrorCode TSSetComputeInitialCondition(TS, PetscErrorCode (*)(TS, Vec));
1080 PETSC_EXTERN PetscErrorCode TSComputeInitialCondition(TS, Vec);
1081 PETSC_EXTERN PetscErrorCode TSGetComputeExactError(TS, PetscErrorCode (**)(TS, Vec, Vec));
1082 PETSC_EXTERN PetscErrorCode TSSetComputeExactError(TS, PetscErrorCode (*)(TS, Vec, Vec));
1083 PETSC_EXTERN PetscErrorCode TSComputeExactError(TS, Vec, Vec);
1084 PETSC_EXTERN PetscErrorCode PetscConvEstUseTS(PetscConvEst, PetscBool);
1085 
1086 PETSC_EXTERN PetscErrorCode TSSetMatStructure(TS,MatStructure);
1087 #endif
1088