xref: /petsc/include/petscts.h (revision b24fb147d2f783efb2f58813f80260c02fe8ea96)
1 /*
2    User interface for the timestepping package. This package
3    is for use in solving time-dependent PDEs.
4 */
5 #ifndef PETSCTS_H
6 #define PETSCTS_H
7 
8 #include <petscsnes.h>
9 #include <petscconvest.h>
10 
11 /* SUBMANSEC = TS */
12 
13 /*S
14      TS - Abstract PETSc object that manages all time-steppers (ODE integrators)
15 
16    Level: beginner
17 
18 .seealso: [](integrator_table), [](chapter_ts), `TSCreate()`, `TSSetType()`, `TSType`, `SNES`, `KSP`, `PC`, `TSDestroy()`
19 S*/
20 typedef struct _p_TS *TS;
21 
22 /*J
23     TSType - String with the name of a PETSc `TS` method.
24 
25    Level: beginner
26 
27 .seealso: [](integrator_table), [](chapter_ts), `TSSetType()`, `TS`, `TSRegister()`
28 J*/
29 typedef const char *TSType;
30 #define TSEULER           "euler"
31 #define TSBEULER          "beuler"
32 #define TSBASICSYMPLECTIC "basicsymplectic"
33 #define TSPSEUDO          "pseudo"
34 #define TSCN              "cn"
35 #define TSSUNDIALS        "sundials"
36 #define TSRK              "rk"
37 #define TSPYTHON          "python"
38 #define TSTHETA           "theta"
39 #define TSALPHA           "alpha"
40 #define TSALPHA2          "alpha2"
41 #define TSGLLE            "glle"
42 #define TSGLEE            "glee"
43 #define TSSSP             "ssp"
44 #define TSARKIMEX         "arkimex"
45 #define TSROSW            "rosw"
46 #define TSEIMEX           "eimex"
47 #define TSMIMEX           "mimex"
48 #define TSBDF             "bdf"
49 #define TSRADAU5          "radau5"
50 #define TSMPRK            "mprk"
51 #define TSDISCGRAD        "discgrad"
52 #define TSIRK             "irk"
53 
54 /*E
55     TSProblemType - Determines the type of problem this `TS` object is to be used to solve
56 
57    Values:
58  + `TS_LINEAR` - a linear ODE or DAE
59  - `TS_NONLINEAR` - a nonlinear ODE or DAE
60 
61    Level: beginner
62 
63 .seealso: [](chapter_ts), `TS`, `TSCreate()`
64 E*/
65 typedef enum {
66   TS_LINEAR,
67   TS_NONLINEAR
68 } TSProblemType;
69 
70 /*E
71    TSEquationType - type of `TS` problem that is solved
72 
73    Level: beginner
74 
75    Values:
76 +  `TS_EQ_UNSPECIFIED` - (default)
77 .  `TS_EQ_EXPLICIT` - {ODE and DAE index 1, 2, 3, HI} F(t,U,U_t) := M(t) U_t - G(U,t) = 0
78 -  `TS_EQ_IMPLICIT` - {ODE and DAE index 1, 2, 3, HI} F(t,U,U_t) = 0
79 
80 .seealso: [](chapter_ts), `TS`, `TSGetEquationType()`, `TSSetEquationType()`
81 E*/
82 typedef enum {
83   TS_EQ_UNSPECIFIED               = -1,
84   TS_EQ_EXPLICIT                  = 0,
85   TS_EQ_ODE_EXPLICIT              = 1,
86   TS_EQ_DAE_SEMI_EXPLICIT_INDEX1  = 100,
87   TS_EQ_DAE_SEMI_EXPLICIT_INDEX2  = 200,
88   TS_EQ_DAE_SEMI_EXPLICIT_INDEX3  = 300,
89   TS_EQ_DAE_SEMI_EXPLICIT_INDEXHI = 500,
90   TS_EQ_IMPLICIT                  = 1000,
91   TS_EQ_ODE_IMPLICIT              = 1001,
92   TS_EQ_DAE_IMPLICIT_INDEX1       = 1100,
93   TS_EQ_DAE_IMPLICIT_INDEX2       = 1200,
94   TS_EQ_DAE_IMPLICIT_INDEX3       = 1300,
95   TS_EQ_DAE_IMPLICIT_INDEXHI      = 1500
96 } TSEquationType;
97 PETSC_EXTERN const char *const *TSEquationTypes;
98 
99 /*E
100    TSConvergedReason - reason a `TS` method has converged (integrated to the requested time) or not
101 
102    Values:
103 +  `TS_CONVERGED_ITERATING`          - this only occurs if `TSGetConvergedReason()` is called during the `TSSolve()`
104 .  `TS_CONVERGED_TIME`               - the final time was reached
105 .  `TS_CONVERGED_ITS`                - the maximum number of iterations (time-steps) was reached prior to the final time
106 .  `TS_CONVERGED_USER`               - user requested termination
107 .  `TS_CONVERGED_EVENT`              - user requested termination on event detection
108 .  `TS_CONVERGED_PSEUDO_FATOL`       - stops when function norm decreased by a set amount, used only for `TSPSEUDO`
109 .  `TS_CONVERGED_PSEUDO_FRTOL`       - stops when function norm decreases below a set amount, used only for `TSPSEUDO`
110 .  `TS_DIVERGED_NONLINEAR_SOLVE`     - too many nonlinear solve failures have occurred
111 .  `TS_DIVERGED_STEP_REJECTED`       - too many steps were rejected
112 .  `TSFORWARD_DIVERGED_LINEAR_SOLVE` - tangent linear solve failed
113 -  `TSADJOINT_DIVERGED_LINEAR_SOLVE` - transposed linear solve failed
114 
115    Level: beginner
116 
117 .seealso: [](chapter_ts), `TS`, `TSGetConvergedReason()`
118 E*/
119 typedef enum {
120   TS_CONVERGED_ITERATING          = 0,
121   TS_CONVERGED_TIME               = 1,
122   TS_CONVERGED_ITS                = 2,
123   TS_CONVERGED_USER               = 3,
124   TS_CONVERGED_EVENT              = 4,
125   TS_CONVERGED_PSEUDO_FATOL       = 5,
126   TS_CONVERGED_PSEUDO_FRTOL       = 6,
127   TS_DIVERGED_NONLINEAR_SOLVE     = -1,
128   TS_DIVERGED_STEP_REJECTED       = -2,
129   TSFORWARD_DIVERGED_LINEAR_SOLVE = -3,
130   TSADJOINT_DIVERGED_LINEAR_SOLVE = -4
131 } TSConvergedReason;
132 PETSC_EXTERN const char *const *TSConvergedReasons;
133 
134 /*MC
135    TS_CONVERGED_ITERATING - this only occurs if `TSGetConvergedReason()` is called during the `TSSolve()`
136 
137    Level: beginner
138 
139 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`
140 M*/
141 
142 /*MC
143    TS_CONVERGED_TIME - the final time was reached
144 
145    Level: beginner
146 
147 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxTime()`, `TSGetMaxTime()`, `TSGetSolveTime()`
148 M*/
149 
150 /*MC
151    TS_CONVERGED_ITS - the maximum number of iterations (time-steps) was reached prior to the final time
152 
153    Level: beginner
154 
155 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxSteps()`, `TSGetMaxSteps()`
156 M*/
157 
158 /*MC
159    TS_CONVERGED_USER - user requested termination
160 
161    Level: beginner
162 
163 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`
164 M*/
165 
166 /*MC
167    TS_CONVERGED_EVENT - user requested termination on event detection
168 
169    Level: beginner
170 
171 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`
172 M*/
173 
174 /*MC
175    TS_CONVERGED_PSEUDO_FRTOL - stops when function norm decreased by a set amount, used only for `TSPSEUDO`
176 
177    Options Database Key:
178 .   -ts_pseudo_frtol <rtol> - use specified rtol
179 
180    Level: beginner
181 
182 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`, `TS_CONVERGED_PSEUDO_FATOL`
183 M*/
184 
185 /*MC
186    TS_CONVERGED_PSEUDO_FATOL - stops when function norm decreases below a set amount, used only for `TSPSEUDO`
187 
188    Options Database Key:
189 .   -ts_pseudo_fatol <atol> - use specified atol
190 
191    Level: beginner
192 
193 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`, `TS_CONVERGED_PSEUDO_FRTOL`
194 M*/
195 
196 /*MC
197    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed
198 
199    Level: beginner
200 
201    Note:
202     See `TSSetMaxSNESFailures()` for how to allow more nonlinear solver failures.
203 
204 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSGetSNES()`, `SNESGetConvergedReason()`, `TSSetMaxSNESFailures()`
205 M*/
206 
207 /*MC
208    TS_DIVERGED_STEP_REJECTED - too many steps were rejected
209 
210    Level: beginner
211 
212    Notes:
213     See `TSSetMaxStepRejections()` for how to allow more step rejections.
214 
215 .seealso: [](chapter_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxStepRejections()`
216 M*/
217 
218 /*E
219    TSExactFinalTimeOption - option for handling of final time step
220 
221    Values:
222 +  `TS_EXACTFINALTIME_STEPOVER`    - Don't do anything if requested final time is exceeded
223 .  `TS_EXACTFINALTIME_INTERPOLATE` - Interpolate back to final time
224 -  `TS_EXACTFINALTIME_MATCHSTEP` - Adapt final time step to match the final time requested
225 
226    Level: beginner
227 
228 .seealso: [](chapter_ts), `TS`, `TSGetConvergedReason()`, `TSSetExactFinalTime()`, `TSGetExactFinalTime()`
229 E*/
230 typedef enum {
231   TS_EXACTFINALTIME_UNSPECIFIED = 0,
232   TS_EXACTFINALTIME_STEPOVER    = 1,
233   TS_EXACTFINALTIME_INTERPOLATE = 2,
234   TS_EXACTFINALTIME_MATCHSTEP   = 3
235 } TSExactFinalTimeOption;
236 PETSC_EXTERN const char *const TSExactFinalTimeOptions[];
237 
238 /* Logging support */
239 PETSC_EXTERN PetscClassId TS_CLASSID;
240 PETSC_EXTERN PetscClassId DMTS_CLASSID;
241 PETSC_EXTERN PetscClassId TSADAPT_CLASSID;
242 
243 PETSC_EXTERN PetscErrorCode TSInitializePackage(void);
244 PETSC_EXTERN PetscErrorCode TSFinalizePackage(void);
245 
246 PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm, TS *);
247 PETSC_EXTERN PetscErrorCode TSClone(TS, TS *);
248 PETSC_EXTERN PetscErrorCode TSDestroy(TS *);
249 
250 PETSC_EXTERN PetscErrorCode TSSetProblemType(TS, TSProblemType);
251 PETSC_EXTERN PetscErrorCode TSGetProblemType(TS, TSProblemType *);
252 PETSC_EXTERN PetscErrorCode TSMonitor(TS, PetscInt, PetscReal, Vec);
253 PETSC_EXTERN PetscErrorCode TSMonitorSet(TS, PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, void *), void *, PetscErrorCode (*)(void **));
254 PETSC_EXTERN PetscErrorCode TSMonitorSetFromOptions(TS, const char[], const char[], const char[], PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *), PetscErrorCode (*)(TS, PetscViewerAndFormat *));
255 PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);
256 
257 PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS, const char[]);
258 PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS, const char[]);
259 PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS, const char *[]);
260 PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
261 PETSC_EXTERN PetscErrorCode TSSetUp(TS);
262 PETSC_EXTERN PetscErrorCode TSReset(TS);
263 
264 PETSC_EXTERN PetscErrorCode TSSetSolution(TS, Vec);
265 PETSC_EXTERN PetscErrorCode TSGetSolution(TS, Vec *);
266 
267 PETSC_EXTERN PetscErrorCode TS2SetSolution(TS, Vec, Vec);
268 PETSC_EXTERN PetscErrorCode TS2GetSolution(TS, Vec *, Vec *);
269 
270 PETSC_EXTERN PetscErrorCode TSGetSolutionComponents(TS, PetscInt *, Vec *);
271 PETSC_EXTERN PetscErrorCode TSGetAuxSolution(TS, Vec *);
272 PETSC_EXTERN PetscErrorCode TSGetTimeError(TS, PetscInt, Vec *);
273 PETSC_EXTERN PetscErrorCode TSSetTimeError(TS, Vec);
274 
275 PETSC_EXTERN PetscErrorCode TSSetRHSJacobianP(TS, Mat, PetscErrorCode (*)(TS, PetscReal, Vec, Mat, void *), void *);
276 PETSC_EXTERN PetscErrorCode TSGetRHSJacobianP(TS, Mat *, PetscErrorCode (**)(TS, PetscReal, Vec, Mat, void *), void **);
277 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianP(TS, PetscReal, Vec, Mat);
278 PETSC_EXTERN PetscErrorCode TSSetIJacobianP(TS, Mat, PetscErrorCode (*)(TS, PetscReal, Vec, Vec, PetscReal, Mat, void *), void *);
279 PETSC_EXTERN PetscErrorCode TSComputeIJacobianP(TS, PetscReal, Vec, Vec, PetscReal, Mat, PetscBool);
280 PETSC_EXTERN                PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobianP") PetscErrorCode TSComputeDRDPFunction(TS, PetscReal, Vec, Vec *);
281 PETSC_EXTERN                PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobian") PetscErrorCode TSComputeDRDUFunction(TS, PetscReal, Vec, Vec *);
282 PETSC_EXTERN PetscErrorCode TSSetIHessianProduct(TS, Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), void *);
283 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionUU(TS, PetscReal, Vec, Vec *, Vec, Vec *);
284 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionUP(TS, PetscReal, Vec, Vec *, Vec, Vec *);
285 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionPU(TS, PetscReal, Vec, Vec *, Vec, Vec *);
286 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionPP(TS, PetscReal, Vec, Vec *, Vec, Vec *);
287 PETSC_EXTERN PetscErrorCode TSSetRHSHessianProduct(TS, Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), void *);
288 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionUU(TS, PetscReal, Vec, Vec *, Vec, Vec *);
289 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionUP(TS, PetscReal, Vec, Vec *, Vec, Vec *);
290 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionPU(TS, PetscReal, Vec, Vec *, Vec, Vec *);
291 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionPP(TS, PetscReal, Vec, Vec *, Vec, Vec *);
292 PETSC_EXTERN PetscErrorCode TSSetCostHessianProducts(TS, PetscInt, Vec *, Vec *, Vec);
293 PETSC_EXTERN PetscErrorCode TSGetCostHessianProducts(TS, PetscInt *, Vec **, Vec **, Vec *);
294 PETSC_EXTERN PetscErrorCode TSComputeSNESJacobian(TS, Vec, Mat, Mat);
295 
296 /*S
297      TSTrajectory - Abstract PETSc object that stores the trajectory (solution of ODE/DAE at each time step)
298 
299    Level: advanced
300 
301 .seealso: [](chapter_ts), `TS`, `TSSetSaveTrajectory()`, `TSTrajectoryCreate()`, `TSTrajectorySetType()`, `TSTrajectoryDestroy()`, `TSTrajectoryReset()`
302 S*/
303 typedef struct _p_TSTrajectory *TSTrajectory;
304 
305 /*J
306     TSTrajectoryType - String with the name of a PETSc `TS` trajectory storage method
307 
308    Level: intermediate
309 
310 .seealso: [](chapter_ts), `TS`, `TSSetSaveTrajectory()`, `TSTrajectoryCreate()`, `TSTrajectoryDestroy()`
311 J*/
312 typedef const char *TSTrajectoryType;
313 #define TSTRAJECTORYBASIC         "basic"
314 #define TSTRAJECTORYSINGLEFILE    "singlefile"
315 #define TSTRAJECTORYMEMORY        "memory"
316 #define TSTRAJECTORYVISUALIZATION "visualization"
317 
318 PETSC_EXTERN PetscFunctionList TSTrajectoryList;
319 PETSC_EXTERN PetscClassId      TSTRAJECTORY_CLASSID;
320 PETSC_EXTERN PetscBool         TSTrajectoryRegisterAllCalled;
321 
322 PETSC_EXTERN PetscErrorCode TSSetSaveTrajectory(TS);
323 PETSC_EXTERN PetscErrorCode TSResetTrajectory(TS);
324 PETSC_EXTERN PetscErrorCode TSRemoveTrajectory(TS);
325 
326 PETSC_EXTERN PetscErrorCode TSTrajectoryCreate(MPI_Comm, TSTrajectory *);
327 PETSC_EXTERN PetscErrorCode TSTrajectoryReset(TSTrajectory);
328 PETSC_EXTERN PetscErrorCode TSTrajectoryDestroy(TSTrajectory *);
329 PETSC_EXTERN PetscErrorCode TSTrajectoryView(TSTrajectory, PetscViewer);
330 PETSC_EXTERN PetscErrorCode TSTrajectorySetType(TSTrajectory, TS, TSTrajectoryType);
331 PETSC_EXTERN PetscErrorCode TSTrajectoryGetType(TSTrajectory, TS, TSTrajectoryType *);
332 PETSC_EXTERN PetscErrorCode TSTrajectorySet(TSTrajectory, TS, PetscInt, PetscReal, Vec);
333 PETSC_EXTERN PetscErrorCode TSTrajectoryGet(TSTrajectory, TS, PetscInt, PetscReal *);
334 PETSC_EXTERN PetscErrorCode TSTrajectoryGetVecs(TSTrajectory, TS, PetscInt, PetscReal *, Vec, Vec);
335 PETSC_EXTERN PetscErrorCode TSTrajectoryGetUpdatedHistoryVecs(TSTrajectory, TS, PetscReal, Vec *, Vec *);
336 PETSC_EXTERN PetscErrorCode TSTrajectoryGetNumSteps(TSTrajectory, PetscInt *);
337 PETSC_EXTERN PetscErrorCode TSTrajectoryRestoreUpdatedHistoryVecs(TSTrajectory, Vec *, Vec *);
338 PETSC_EXTERN PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory, TS);
339 PETSC_EXTERN PetscErrorCode TSTrajectoryRegister(const char[], PetscErrorCode (*)(TSTrajectory, TS));
340 PETSC_EXTERN PetscErrorCode TSTrajectoryRegisterAll(void);
341 PETSC_EXTERN PetscErrorCode TSTrajectorySetUp(TSTrajectory, TS);
342 PETSC_EXTERN PetscErrorCode TSTrajectorySetUseHistory(TSTrajectory, PetscBool);
343 PETSC_EXTERN PetscErrorCode TSTrajectorySetMonitor(TSTrajectory, PetscBool);
344 PETSC_EXTERN PetscErrorCode TSTrajectorySetVariableNames(TSTrajectory, const char *const *);
345 PETSC_EXTERN PetscErrorCode TSTrajectorySetTransform(TSTrajectory, PetscErrorCode (*)(void *, Vec, Vec *), PetscErrorCode (*)(void *), void *);
346 PETSC_EXTERN PetscErrorCode TSTrajectorySetSolutionOnly(TSTrajectory, PetscBool);
347 PETSC_EXTERN PetscErrorCode TSTrajectoryGetSolutionOnly(TSTrajectory, PetscBool *);
348 PETSC_EXTERN PetscErrorCode TSTrajectorySetKeepFiles(TSTrajectory, PetscBool);
349 PETSC_EXTERN PetscErrorCode TSTrajectorySetDirname(TSTrajectory, const char[]);
350 PETSC_EXTERN PetscErrorCode TSTrajectorySetFiletemplate(TSTrajectory, const char[]);
351 PETSC_EXTERN PetscErrorCode TSGetTrajectory(TS, TSTrajectory *);
352 
353 PETSC_EXTERN PetscErrorCode TSSetCostGradients(TS, PetscInt, Vec *, Vec *);
354 PETSC_EXTERN PetscErrorCode TSGetCostGradients(TS, PetscInt *, Vec **, Vec **);
355 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 *);
356 PETSC_EXTERN PetscErrorCode TSGetCostIntegral(TS, Vec *);
357 PETSC_EXTERN PetscErrorCode TSComputeCostIntegrand(TS, PetscReal, Vec, Vec);
358 PETSC_EXTERN PetscErrorCode TSCreateQuadratureTS(TS, PetscBool, TS *);
359 PETSC_EXTERN PetscErrorCode TSGetQuadratureTS(TS, PetscBool *, TS *);
360 
361 PETSC_EXTERN PetscErrorCode TSAdjointSetFromOptions(TS, PetscOptionItems *);
362 PETSC_EXTERN PetscErrorCode TSAdjointMonitor(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *);
363 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSet(TS, PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *, void *), void *, PetscErrorCode (*)(void **));
364 PETSC_EXTERN PetscErrorCode TSAdjointMonitorCancel(TS);
365 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSetFromOptions(TS, const char[], const char[], const char[], PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *, PetscViewerAndFormat *), PetscErrorCode (*)(TS, PetscViewerAndFormat *));
366 
367 PETSC_EXTERN                PETSC_DEPRECATED_FUNCTION("Use TSSetRHSJacobianP()") PetscErrorCode TSAdjointSetRHSJacobian(TS, Mat, PetscErrorCode (*)(TS, PetscReal, Vec, Mat, void *), void *);
368 PETSC_EXTERN                PETSC_DEPRECATED_FUNCTION("Use TSComputeRHSJacobianP()") PetscErrorCode TSAdjointComputeRHSJacobian(TS, PetscReal, Vec, Mat);
369 PETSC_EXTERN                PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobianP") PetscErrorCode TSAdjointComputeDRDPFunction(TS, PetscReal, Vec, Vec *);
370 PETSC_EXTERN                PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobian") PetscErrorCode TSAdjointComputeDRDYFunction(TS, PetscReal, Vec, Vec *);
371 PETSC_EXTERN PetscErrorCode TSAdjointSolve(TS);
372 PETSC_EXTERN PetscErrorCode TSAdjointSetSteps(TS, PetscInt);
373 
374 PETSC_EXTERN PetscErrorCode TSAdjointStep(TS);
375 PETSC_EXTERN PetscErrorCode TSAdjointSetUp(TS);
376 PETSC_EXTERN PetscErrorCode TSAdjointReset(TS);
377 PETSC_EXTERN PetscErrorCode TSAdjointCostIntegral(TS);
378 PETSC_EXTERN PetscErrorCode TSAdjointSetForward(TS, Mat);
379 PETSC_EXTERN PetscErrorCode TSAdjointResetForward(TS);
380 
381 PETSC_EXTERN PetscErrorCode TSForwardSetSensitivities(TS, PetscInt, Mat);
382 PETSC_EXTERN PetscErrorCode TSForwardGetSensitivities(TS, PetscInt *, Mat *);
383 PETSC_EXTERN                PETSC_DEPRECATED_FUNCTION("Use TSCreateQuadratureTS() and TSForwardSetSensitivities() (since version 3.12)") PetscErrorCode TSForwardSetIntegralGradients(TS, PetscInt, Vec *);
384 PETSC_EXTERN                PETSC_DEPRECATED_FUNCTION("Use TSForwardGetSensitivities()") PetscErrorCode TSForwardGetIntegralGradients(TS, PetscInt *, Vec **);
385 PETSC_EXTERN PetscErrorCode TSForwardSetUp(TS);
386 PETSC_EXTERN PetscErrorCode TSForwardReset(TS);
387 PETSC_EXTERN PetscErrorCode TSForwardCostIntegral(TS);
388 PETSC_EXTERN PetscErrorCode TSForwardStep(TS);
389 PETSC_EXTERN PetscErrorCode TSForwardSetInitialSensitivities(TS, Mat);
390 PETSC_EXTERN PetscErrorCode TSForwardGetStages(TS, PetscInt *, Mat *[]);
391 
392 PETSC_EXTERN PetscErrorCode TSSetMaxSteps(TS, PetscInt);
393 PETSC_EXTERN PetscErrorCode TSGetMaxSteps(TS, PetscInt *);
394 PETSC_EXTERN PetscErrorCode TSSetMaxTime(TS, PetscReal);
395 PETSC_EXTERN PetscErrorCode TSGetMaxTime(TS, PetscReal *);
396 PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS, TSExactFinalTimeOption);
397 PETSC_EXTERN PetscErrorCode TSGetExactFinalTime(TS, TSExactFinalTimeOption *);
398 PETSC_EXTERN PetscErrorCode TSSetTimeSpan(TS, PetscInt, PetscReal *);
399 PETSC_EXTERN PetscErrorCode TSGetTimeSpan(TS, PetscInt *, const PetscReal **);
400 PETSC_EXTERN PetscErrorCode TSGetTimeSpanSolutions(TS, PetscInt *, Vec **);
401 
402 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSSetTime[Step]() (since version 3.8)") PetscErrorCode TSSetInitialTimeStep(TS, PetscReal, PetscReal);
403 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSSetMax{Steps|Time}() (since version 3.8)") PetscErrorCode TSSetDuration(TS, PetscInt, PetscReal);
404 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetMax{Steps|Time}() (since version 3.8)") PetscErrorCode TSGetDuration(TS, PetscInt *, PetscReal *);
405 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetStepNumber() (since version 3.8)") PetscErrorCode TSGetTimeStepNumber(TS, PetscInt *);
406 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetStepNumber() (since version 3.8)") PetscErrorCode TSGetTotalSteps(TS, PetscInt *);
407 
408 PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *);
409 PETSC_EXTERN PetscErrorCode TSMonitorExtreme(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *);
410 
411 typedef struct _n_TSMonitorDrawCtx *TSMonitorDrawCtx;
412 PETSC_EXTERN PetscErrorCode         TSMonitorDrawCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, TSMonitorDrawCtx *);
413 PETSC_EXTERN PetscErrorCode         TSMonitorDrawCtxDestroy(TSMonitorDrawCtx *);
414 PETSC_EXTERN PetscErrorCode         TSMonitorDrawSolution(TS, PetscInt, PetscReal, Vec, void *);
415 PETSC_EXTERN PetscErrorCode         TSMonitorDrawSolutionPhase(TS, PetscInt, PetscReal, Vec, void *);
416 PETSC_EXTERN PetscErrorCode         TSMonitorDrawError(TS, PetscInt, PetscReal, Vec, void *);
417 PETSC_EXTERN PetscErrorCode         TSMonitorDrawSolutionFunction(TS, PetscInt, PetscReal, Vec, void *);
418 
419 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDefault(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *, PetscViewerAndFormat *);
420 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDrawSensi(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *, void *);
421 
422 PETSC_EXTERN PetscErrorCode TSMonitorSolution(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *);
423 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS, PetscInt, PetscReal, Vec, void *);
424 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void *);
425 
426 PETSC_EXTERN PetscErrorCode TSStep(TS);
427 PETSC_EXTERN PetscErrorCode TSEvaluateWLTE(TS, NormType, PetscInt *, PetscReal *);
428 PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS, PetscInt, Vec, PetscBool *);
429 PETSC_EXTERN PetscErrorCode TSSolve(TS, Vec);
430 PETSC_EXTERN PetscErrorCode TSGetEquationType(TS, TSEquationType *);
431 PETSC_EXTERN PetscErrorCode TSSetEquationType(TS, TSEquationType);
432 PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS, TSConvergedReason *);
433 PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS, TSConvergedReason);
434 PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS, PetscReal *);
435 PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS, PetscInt *);
436 PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS, PetscInt *);
437 PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS, PetscInt *);
438 PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS, PetscInt);
439 PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS, PetscInt *);
440 PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS, PetscInt);
441 PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS, PetscBool);
442 PETSC_EXTERN PetscErrorCode TSRestartStep(TS);
443 PETSC_EXTERN PetscErrorCode TSRollBack(TS);
444 
445 PETSC_EXTERN PetscErrorCode TSGetStages(TS, PetscInt *, Vec *[]);
446 
447 PETSC_EXTERN PetscErrorCode TSGetTime(TS, PetscReal *);
448 PETSC_EXTERN PetscErrorCode TSSetTime(TS, PetscReal);
449 PETSC_EXTERN PetscErrorCode TSGetPrevTime(TS, PetscReal *);
450 PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS, PetscReal *);
451 PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS, PetscReal);
452 PETSC_EXTERN PetscErrorCode TSGetStepNumber(TS, PetscInt *);
453 PETSC_EXTERN PetscErrorCode TSSetStepNumber(TS, PetscInt);
454 
455 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS, PetscReal, Vec, Vec, void *);
456 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS, PetscReal, Vec, Mat, Mat, void *);
457 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobianP)(TS, PetscReal, Vec, Mat, void *);
458 PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS, Vec, TSRHSFunction, void *);
459 PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS, Vec *, TSRHSFunction *, void **);
460 PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS, Mat, Mat, TSRHSJacobian, void *);
461 PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS, Mat *, Mat *, TSRHSJacobian *, void **);
462 PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS, PetscBool);
463 
464 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS, PetscReal, Vec, void *);
465 PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS, TSSolutionFunction, void *);
466 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSForcingFunction)(TS, PetscReal, Vec, void *);
467 PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS, TSForcingFunction, void *);
468 
469 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS, PetscReal, Vec, Vec, Vec, void *);
470 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *);
471 PETSC_EXTERN PetscErrorCode TSSetIFunction(TS, Vec, TSIFunction, void *);
472 PETSC_EXTERN PetscErrorCode TSGetIFunction(TS, Vec *, TSIFunction *, void **);
473 PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS, Mat, Mat, TSIJacobian, void *);
474 PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS, Mat *, Mat *, TSIJacobian *, void **);
475 
476 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Function)(TS, PetscReal, Vec, Vec, Vec, Vec, void *);
477 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Jacobian)(TS, PetscReal, Vec, Vec, Vec, PetscReal, PetscReal, Mat, Mat, void *);
478 PETSC_EXTERN PetscErrorCode TSSetI2Function(TS, Vec, TSI2Function, void *);
479 PETSC_EXTERN PetscErrorCode TSGetI2Function(TS, Vec *, TSI2Function *, void **);
480 PETSC_EXTERN PetscErrorCode TSSetI2Jacobian(TS, Mat, Mat, TSI2Jacobian, void *);
481 PETSC_EXTERN PetscErrorCode TSGetI2Jacobian(TS, Mat *, Mat *, TSI2Jacobian *, void **);
482 
483 PETSC_EXTERN PetscErrorCode TSRHSSplitSetIS(TS, const char[], IS);
484 PETSC_EXTERN PetscErrorCode TSRHSSplitGetIS(TS, const char[], IS *);
485 PETSC_EXTERN PetscErrorCode TSRHSSplitSetRHSFunction(TS, const char[], Vec, TSRHSFunction, void *);
486 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTS(TS, const char[], TS *);
487 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTSs(TS, PetscInt *, TS *[]);
488 PETSC_EXTERN PetscErrorCode TSSetUseSplitRHSFunction(TS, PetscBool);
489 PETSC_EXTERN PetscErrorCode TSGetUseSplitRHSFunction(TS, PetscBool *);
490 
491 PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS, PetscReal, Vec, Vec, void *);
492 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS, PetscReal, Vec, Mat, Mat, void *);
493 PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS, PetscReal, Vec, Vec, Vec, void *);
494 PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *);
495 PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS, PetscReal, Vec);
496 PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS, PetscReal, Vec);
497 PETSC_EXTERN PetscErrorCode TSComputeIJacobianDefaultColor(TS, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *);
498 PETSC_EXTERN PetscErrorCode TSPruneIJacobianColor(TS, Mat, Mat);
499 
500 PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
501 PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS, PetscReal));
502 PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS, PetscReal, PetscInt, Vec *));
503 PETSC_EXTERN PetscErrorCode TSSetPostEvaluate(TS, PetscErrorCode (*)(TS));
504 PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
505 PETSC_EXTERN PetscErrorCode TSPreStep(TS);
506 PETSC_EXTERN PetscErrorCode TSPreStage(TS, PetscReal);
507 PETSC_EXTERN PetscErrorCode TSPostStage(TS, PetscReal, PetscInt, Vec *);
508 PETSC_EXTERN PetscErrorCode TSPostEvaluate(TS);
509 PETSC_EXTERN PetscErrorCode TSPostStep(TS);
510 PETSC_EXTERN PetscErrorCode TSInterpolate(TS, PetscReal, Vec);
511 PETSC_EXTERN PetscErrorCode TSSetTolerances(TS, PetscReal, Vec, PetscReal, Vec);
512 PETSC_EXTERN PetscErrorCode TSGetTolerances(TS, PetscReal *, Vec *, PetscReal *, Vec *);
513 PETSC_EXTERN PetscErrorCode TSErrorWeightedNormInfinity(TS, Vec, Vec, PetscReal *, PetscReal *, PetscReal *);
514 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm2(TS, Vec, Vec, PetscReal *, PetscReal *, PetscReal *);
515 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm(TS, Vec, Vec, NormType, PetscReal *, PetscReal *, PetscReal *);
516 PETSC_EXTERN PetscErrorCode TSErrorWeightedENormInfinity(TS, Vec, Vec, Vec, PetscReal *, PetscReal *, PetscReal *);
517 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm2(TS, Vec, Vec, Vec, PetscReal *, PetscReal *, PetscReal *);
518 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm(TS, Vec, Vec, Vec, NormType, PetscReal *, PetscReal *, PetscReal *);
519 PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS, PetscReal);
520 PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS, PetscReal *);
521 PETSC_EXTERN PetscErrorCode TSSetFunctionDomainError(TS, PetscErrorCode (*)(TS, PetscReal, Vec, PetscBool *));
522 PETSC_EXTERN PetscErrorCode TSFunctionDomainError(TS, PetscReal, Vec, PetscBool *);
523 
524 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS, PetscErrorCode (*)(TS, PetscReal *, void *), void *);
525 PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS, PetscReal *, void *);
526 PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS, PetscReal *);
527 PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS, PetscReal);
528 PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS, PetscErrorCode (*)(TS, Vec, void *, PetscReal *, PetscBool *), void *);
529 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS, Vec, void *, PetscReal *, PetscBool *);
530 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS, Vec, PetscReal *, PetscBool *);
531 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS, PetscReal);
532 PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);
533 
534 PETSC_EXTERN PetscErrorCode TSPythonSetType(TS, const char[]);
535 PETSC_EXTERN PetscErrorCode TSPythonGetType(TS, const char *[]);
536 
537 PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS, PetscReal, Vec, Vec);
538 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS, PetscReal, Vec, Mat, Mat);
539 PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS, PetscReal, Vec, Vec, Vec, PetscBool);
540 PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS, PetscReal, Vec, Vec, PetscReal, Mat, Mat, PetscBool);
541 PETSC_EXTERN PetscErrorCode TSComputeI2Function(TS, PetscReal, Vec, Vec, Vec, Vec);
542 PETSC_EXTERN PetscErrorCode TSComputeI2Jacobian(TS, PetscReal, Vec, Vec, Vec, PetscReal, PetscReal, Mat, Mat);
543 PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS, PetscReal, PetscReal, PetscReal *, PetscReal *);
544 
545 PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS, Vec, Vec);
546 
547 PETSC_EXTERN PetscErrorCode DMTSSetBoundaryLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *);
548 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM, TSRHSFunction, void *);
549 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM, TSRHSFunction *, void **);
550 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionContextDestroy(DM, PetscErrorCode (*)(void *));
551 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM, TSRHSJacobian, void *);
552 PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM, TSRHSJacobian *, void **);
553 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobianContextDestroy(DM, PetscErrorCode (*)(void *));
554 PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM, TSIFunction, void *);
555 PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM, TSIFunction *, void **);
556 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionContextDestroy(DM, PetscErrorCode (*)(void *));
557 PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM, TSIJacobian, void *);
558 PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM, TSIJacobian *, void **);
559 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianContextDestroy(DM, PetscErrorCode (*)(void *));
560 PETSC_EXTERN PetscErrorCode DMTSSetI2Function(DM, TSI2Function, void *);
561 PETSC_EXTERN PetscErrorCode DMTSGetI2Function(DM, TSI2Function *, void **);
562 PETSC_EXTERN PetscErrorCode DMTSSetI2FunctionContextDestroy(DM, PetscErrorCode (*)(void *));
563 PETSC_EXTERN PetscErrorCode DMTSSetI2Jacobian(DM, TSI2Jacobian, void *);
564 PETSC_EXTERN PetscErrorCode DMTSGetI2Jacobian(DM, TSI2Jacobian *, void **);
565 PETSC_EXTERN PetscErrorCode DMTSSetI2JacobianContextDestroy(DM, PetscErrorCode (*)(void *));
566 
567 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSTransientVariable)(TS, Vec, Vec, void *);
568 PETSC_EXTERN PetscErrorCode TSSetTransientVariable(TS, TSTransientVariable, void *);
569 PETSC_EXTERN PetscErrorCode DMTSSetTransientVariable(DM, TSTransientVariable, void *);
570 PETSC_EXTERN PetscErrorCode DMTSGetTransientVariable(DM, TSTransientVariable *, void *);
571 PETSC_EXTERN PetscErrorCode TSComputeTransientVariable(TS, Vec, Vec);
572 PETSC_EXTERN PetscErrorCode TSHasTransientVariable(TS, PetscBool *);
573 
574 PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM, TSSolutionFunction, void *);
575 PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM, TSSolutionFunction *, void **);
576 PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM, TSForcingFunction, void *);
577 PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM, TSForcingFunction *, void **);
578 PETSC_EXTERN PetscErrorCode DMTSCheckResidual(TS, DM, PetscReal, Vec, Vec, PetscReal, PetscReal *);
579 PETSC_EXTERN PetscErrorCode DMTSCheckJacobian(TS, DM, PetscReal, Vec, Vec, PetscReal, PetscBool *, PetscReal *);
580 PETSC_EXTERN PetscErrorCode DMTSCheckFromOptions(TS, Vec);
581 
582 PETSC_EXTERN PetscErrorCode DMTSGetIFunctionLocal(DM, PetscErrorCode (**)(DM, PetscReal, Vec, Vec, Vec, void *), void **);
583 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, Vec, void *), void *);
584 PETSC_EXTERN PetscErrorCode DMTSGetIJacobianLocal(DM, PetscErrorCode (**)(DM, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *), void **);
585 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *), void *);
586 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunctionLocal(DM, PetscErrorCode (**)(DM, PetscReal, Vec, Vec, void *), void **);
587 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *);
588 PETSC_EXTERN PetscErrorCode DMTSCreateRHSMassMatrix(DM);
589 PETSC_EXTERN PetscErrorCode DMTSCreateRHSMassMatrixLumped(DM);
590 PETSC_EXTERN PetscErrorCode DMTSDestroyRHSMassMatrix(DM);
591 
592 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM, PetscErrorCode (*)(void *, PetscViewer), PetscErrorCode (*)(void **, PetscViewer));
593 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM, PetscErrorCode (*)(void *, PetscViewer), PetscErrorCode (*)(void **, PetscViewer));
594 
595 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo *, PetscReal, void *, void *, void *);
596 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo *, PetscReal, void *, Mat, Mat, void *);
597 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo *, PetscReal, void *, void *, void *, void *);
598 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo *, PetscReal, void *, void *, PetscReal, Mat, Mat, void *);
599 
600 PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM, InsertMode, PetscErrorCode (*)(DMDALocalInfo *, PetscReal, void *, void *, void *), void *);
601 PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM, PetscErrorCode (*)(DMDALocalInfo *, PetscReal, void *, Mat, Mat, void *), void *);
602 PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM, InsertMode, PetscErrorCode (*)(DMDALocalInfo *, PetscReal, void *, void *, void *, void *), void *);
603 PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM, PetscErrorCode (*)(DMDALocalInfo *, PetscReal, void *, void *, PetscReal, Mat, Mat, void *), void *);
604 
605 PETSC_EXTERN PetscErrorCode DMPlexTSGetGeometryFVM(DM, Vec *, Vec *, PetscReal *);
606 
607 typedef struct _n_TSMonitorLGCtx *TSMonitorLGCtx;
608 typedef struct {
609   Vec            ray;
610   VecScatter     scatter;
611   PetscViewer    viewer;
612   TSMonitorLGCtx lgctx;
613 } TSMonitorDMDARayCtx;
614 PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void **);
615 PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS, PetscInt, PetscReal, Vec, void *);
616 PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS, PetscInt, PetscReal, Vec, void *);
617 
618 /* Dynamic creation and loading functions */
619 PETSC_EXTERN PetscFunctionList TSList;
620 PETSC_EXTERN PetscErrorCode    TSGetType(TS, TSType *);
621 PETSC_EXTERN PetscErrorCode    TSSetType(TS, TSType);
622 PETSC_EXTERN PetscErrorCode    TSRegister(const char[], PetscErrorCode (*)(TS));
623 
624 PETSC_EXTERN PetscErrorCode TSGetSNES(TS, SNES *);
625 PETSC_EXTERN PetscErrorCode TSSetSNES(TS, SNES);
626 PETSC_EXTERN PetscErrorCode TSGetKSP(TS, KSP *);
627 
628 PETSC_EXTERN PetscErrorCode TSView(TS, PetscViewer);
629 PETSC_EXTERN PetscErrorCode TSLoad(TS, PetscViewer);
630 PETSC_EXTERN PetscErrorCode TSViewFromOptions(TS, PetscObject, const char[]);
631 PETSC_EXTERN PetscErrorCode TSTrajectoryViewFromOptions(TSTrajectory, PetscObject, const char[]);
632 
633 #define TS_FILE_CLASSID 1211225
634 
635 PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS, void *);
636 PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS, void *);
637 
638 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, TSMonitorLGCtx *);
639 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx *);
640 PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS, PetscInt, PetscReal, Vec, void *);
641 PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS, PetscInt, PetscReal, Vec, void *);
642 PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS, const char *const *);
643 PETSC_EXTERN PetscErrorCode TSMonitorLGGetVariableNames(TS, const char *const **);
644 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetVariableNames(TSMonitorLGCtx, const char *const *);
645 PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS, const char *const *);
646 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetDisplayVariables(TSMonitorLGCtx, const char *const *);
647 PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS, PetscErrorCode (*)(void *, Vec, Vec *), PetscErrorCode (*)(void *), void *);
648 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetTransform(TSMonitorLGCtx, PetscErrorCode (*)(void *, Vec, Vec *), PetscErrorCode (*)(void *), void *);
649 PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS, PetscInt, PetscReal, Vec, void *);
650 PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS, PetscInt, PetscReal, Vec, void *);
651 PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS, PetscInt, PetscReal, Vec, void *);
652 PETSC_EXTERN PetscErrorCode TSMonitorError(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *);
653 PETSC_EXTERN PetscErrorCode TSDMSwarmMonitorMoments(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *);
654 
655 struct _n_TSMonitorLGCtxNetwork {
656   PetscInt     nlg;
657   PetscDrawLG *lg;
658   PetscBool    semilogy;
659   PetscInt     howoften; /* when > 0 uses step % howoften, when negative only final solution plotted */
660 };
661 typedef struct _n_TSMonitorLGCtxNetwork *TSMonitorLGCtxNetwork;
662 PETSC_EXTERN PetscErrorCode              TSMonitorLGCtxNetworkDestroy(TSMonitorLGCtxNetwork *);
663 PETSC_EXTERN PetscErrorCode              TSMonitorLGCtxNetworkCreate(TS, const char[], const char[], int, int, int, int, PetscInt, TSMonitorLGCtxNetwork *);
664 PETSC_EXTERN PetscErrorCode              TSMonitorLGCtxNetworkSolution(TS, PetscInt, PetscReal, Vec, void *);
665 
666 typedef struct _n_TSMonitorEnvelopeCtx *TSMonitorEnvelopeCtx;
667 PETSC_EXTERN PetscErrorCode             TSMonitorEnvelopeCtxCreate(TS, TSMonitorEnvelopeCtx *);
668 PETSC_EXTERN PetscErrorCode             TSMonitorEnvelope(TS, PetscInt, PetscReal, Vec, void *);
669 PETSC_EXTERN PetscErrorCode             TSMonitorEnvelopeGetBounds(TS, Vec *, Vec *);
670 PETSC_EXTERN PetscErrorCode             TSMonitorEnvelopeCtxDestroy(TSMonitorEnvelopeCtx *);
671 
672 typedef struct _n_TSMonitorSPEigCtx *TSMonitorSPEigCtx;
673 PETSC_EXTERN PetscErrorCode          TSMonitorSPEigCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, TSMonitorSPEigCtx *);
674 PETSC_EXTERN PetscErrorCode          TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx *);
675 PETSC_EXTERN PetscErrorCode          TSMonitorSPEig(TS, PetscInt, PetscReal, Vec, void *);
676 
677 typedef struct _n_TSMonitorSPCtx *TSMonitorSPCtx;
678 PETSC_EXTERN PetscErrorCode       TSMonitorSPCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, PetscInt, PetscBool, PetscBool, TSMonitorSPCtx *);
679 PETSC_EXTERN PetscErrorCode       TSMonitorSPCtxDestroy(TSMonitorSPCtx *);
680 PETSC_EXTERN PetscErrorCode       TSMonitorSPSwarmSolution(TS, PetscInt, PetscReal, Vec, void *);
681 
682 typedef struct _n_TSMonitorHGCtx *TSMonitorHGCtx;
683 PETSC_EXTERN PetscErrorCode       TSMonitorHGCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, PetscInt, PetscInt, PetscBool, TSMonitorHGCtx *);
684 PETSC_EXTERN PetscErrorCode       TSMonitorHGSwarmSolution(TS, PetscInt, PetscReal, Vec, void *);
685 PETSC_EXTERN PetscErrorCode       TSMonitorHGCtxDestroy(TSMonitorHGCtx *);
686 PETSC_EXTERN PetscErrorCode       TSMonitorHGSwarmSolution(TS, PetscInt, PetscReal, Vec, void *);
687 
688 PETSC_EXTERN PetscErrorCode TSSetEventHandler(TS, PetscInt, PetscInt[], PetscBool[], PetscErrorCode (*)(TS, PetscReal, Vec, PetscScalar[], void *), PetscErrorCode (*)(TS, PetscInt, PetscInt[], PetscReal, Vec, PetscBool, void *), void *);
689 PETSC_EXTERN PetscErrorCode TSSetPostEventIntervalStep(TS, PetscReal);
690 PETSC_EXTERN PetscErrorCode TSSetEventTolerances(TS, PetscReal, PetscReal[]);
691 PETSC_EXTERN PetscErrorCode TSGetNumEvents(TS, PetscInt *);
692 
693 /*J
694    TSSSPType - string with the name of a `TSSSP` scheme.
695 
696    Level: beginner
697 
698 .seealso: [](chapter_ts), `TSSSPSetType()`, `TS`, `TSSSP`
699 J*/
700 typedef const char *TSSSPType;
701 #define TSSSPRKS2  "rks2"
702 #define TSSSPRKS3  "rks3"
703 #define TSSSPRK104 "rk104"
704 
705 PETSC_EXTERN PetscErrorCode    TSSSPSetType(TS, TSSSPType);
706 PETSC_EXTERN PetscErrorCode    TSSSPGetType(TS, TSSSPType *);
707 PETSC_EXTERN PetscErrorCode    TSSSPSetNumStages(TS, PetscInt);
708 PETSC_EXTERN PetscErrorCode    TSSSPGetNumStages(TS, PetscInt *);
709 PETSC_EXTERN PetscErrorCode    TSSSPInitializePackage(void);
710 PETSC_EXTERN PetscErrorCode    TSSSPFinalizePackage(void);
711 PETSC_EXTERN PetscFunctionList TSSSPList;
712 
713 /*S
714    TSAdapt - Abstract object that manages time-step adaptivity
715 
716    Level: beginner
717 
718 .seealso: [](chapter_ts), `TS`, `TSAdaptCreate()`, `TSAdaptType`
719 S*/
720 typedef struct _p_TSAdapt *TSAdapt;
721 
722 /*J
723     TSAdaptType - String with the name of `TSAdapt` scheme.
724 
725    Level: beginner
726 
727 .seealso: [](chapter_ts), `TSAdaptSetType()`, `TS`, `TSAdapt`
728 J*/
729 typedef const char *TSAdaptType;
730 #define TSADAPTNONE    "none"
731 #define TSADAPTBASIC   "basic"
732 #define TSADAPTDSP     "dsp"
733 #define TSADAPTCFL     "cfl"
734 #define TSADAPTGLEE    "glee"
735 #define TSADAPTHISTORY "history"
736 
737 PETSC_EXTERN PetscErrorCode TSGetAdapt(TS, TSAdapt *);
738 PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[], PetscErrorCode (*)(TSAdapt));
739 PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void);
740 PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
741 PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm, TSAdapt *);
742 PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt, TSAdaptType);
743 PETSC_EXTERN PetscErrorCode TSAdaptGetType(TSAdapt, TSAdaptType *);
744 PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt, const char[]);
745 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
746 PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt, const char[], PetscInt, PetscInt, PetscReal, PetscReal, PetscBool);
747 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt, PetscInt *, const PetscInt **, const PetscInt **, const PetscReal **, const PetscReal **);
748 PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt, TS, PetscReal, PetscInt *, PetscReal *, PetscBool *);
749 PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt, TS, PetscReal, Vec, PetscBool *);
750 PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt, PetscViewer);
751 PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt, PetscViewer);
752 PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(TSAdapt, PetscOptionItems *);
753 PETSC_EXTERN PetscErrorCode TSAdaptReset(TSAdapt);
754 PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt *);
755 PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt, PetscBool);
756 PETSC_EXTERN PetscErrorCode TSAdaptSetAlwaysAccept(TSAdapt, PetscBool);
757 PETSC_EXTERN PetscErrorCode TSAdaptSetSafety(TSAdapt, PetscReal, PetscReal);
758 PETSC_EXTERN PetscErrorCode TSAdaptGetSafety(TSAdapt, PetscReal *, PetscReal *);
759 PETSC_EXTERN PetscErrorCode TSAdaptSetMaxIgnore(TSAdapt, PetscReal);
760 PETSC_EXTERN PetscErrorCode TSAdaptGetMaxIgnore(TSAdapt, PetscReal *);
761 PETSC_EXTERN PetscErrorCode TSAdaptSetClip(TSAdapt, PetscReal, PetscReal);
762 PETSC_EXTERN PetscErrorCode TSAdaptGetClip(TSAdapt, PetscReal *, PetscReal *);
763 PETSC_EXTERN PetscErrorCode TSAdaptSetScaleSolveFailed(TSAdapt, PetscReal);
764 PETSC_EXTERN PetscErrorCode TSAdaptGetScaleSolveFailed(TSAdapt, PetscReal *);
765 PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt, PetscReal, PetscReal);
766 PETSC_EXTERN PetscErrorCode TSAdaptGetStepLimits(TSAdapt, PetscReal *, PetscReal *);
767 PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt, PetscErrorCode (*)(TSAdapt, TS, PetscReal, Vec, PetscBool *));
768 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetHistory(TSAdapt, PetscInt n, PetscReal hist[], PetscBool);
769 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetTrajectory(TSAdapt, TSTrajectory, PetscBool);
770 PETSC_EXTERN PetscErrorCode TSAdaptHistoryGetStep(TSAdapt, PetscInt, PetscReal *, PetscReal *);
771 PETSC_EXTERN PetscErrorCode TSAdaptSetTimeStepIncreaseDelay(TSAdapt, PetscInt);
772 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetFilter(TSAdapt, const char *);
773 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetPID(TSAdapt, PetscReal, PetscReal, PetscReal);
774 
775 /*S
776    TSGLLEAdapt - Abstract object that manages time-step adaptivity for `TSGLLE`
777 
778    Level: beginner
779 
780    Developer Note:
781    This functionality should be replaced by the `TSAdapt`.
782 
783 .seealso: [](chapter_ts), `TS`, `TSGLLE`, `TSGLLEAdaptCreate()`, `TSGLLEAdaptType`
784 S*/
785 typedef struct _p_TSGLLEAdapt *TSGLLEAdapt;
786 
787 /*J
788     TSGLLEAdaptType - String with the name of `TSGLLEAdapt` scheme
789 
790    Level: beginner
791 
792    Developer Note:
793    This functionality should be replaced by the `TSAdaptType`.
794 
795 .seealso: [](chapter_ts), `TSGLLEAdaptSetType()`, `TS`
796 J*/
797 typedef const char *TSGLLEAdaptType;
798 #define TSGLLEADAPT_NONE "none"
799 #define TSGLLEADAPT_SIZE "size"
800 #define TSGLLEADAPT_BOTH "both"
801 
802 PETSC_EXTERN PetscErrorCode TSGLLEAdaptRegister(const char[], PetscErrorCode (*)(TSGLLEAdapt));
803 PETSC_EXTERN PetscErrorCode TSGLLEAdaptInitializePackage(void);
804 PETSC_EXTERN PetscErrorCode TSGLLEAdaptFinalizePackage(void);
805 PETSC_EXTERN PetscErrorCode TSGLLEAdaptCreate(MPI_Comm, TSGLLEAdapt *);
806 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetType(TSGLLEAdapt, TSGLLEAdaptType);
807 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetOptionsPrefix(TSGLLEAdapt, const char[]);
808 PETSC_EXTERN PetscErrorCode TSGLLEAdaptChoose(TSGLLEAdapt, PetscInt, const PetscInt[], const PetscReal[], const PetscReal[], PetscInt, PetscReal, PetscReal, PetscInt *, PetscReal *, PetscBool *);
809 PETSC_EXTERN PetscErrorCode TSGLLEAdaptView(TSGLLEAdapt, PetscViewer);
810 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetFromOptions(TSGLLEAdapt, PetscOptionItems *);
811 PETSC_EXTERN PetscErrorCode TSGLLEAdaptDestroy(TSGLLEAdapt *);
812 
813 /*J
814     TSGLLEAcceptType - String with the name of `TSGLLEAccept` scheme
815 
816    Level: beginner
817 
818 .seealso: [](chapter_ts), `TSGLLESetAcceptType()`, `TS`, `TSGLLEAccept`
819 J*/
820 typedef const char *TSGLLEAcceptType;
821 #define TSGLLEACCEPT_ALWAYS "always"
822 
823 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLLEAcceptFunction)(TS, PetscReal, PetscReal, const PetscReal[], PetscBool *);
824 PETSC_EXTERN PetscErrorCode TSGLLEAcceptRegister(const char[], TSGLLEAcceptFunction);
825 
826 /*J
827   TSGLLEType - string with the name of a General Linear `TSGLLE` type
828 
829   Level: beginner
830 
831 .seealso: [](chapter_ts), `TS`, `TSGLLE`, `TSGLLESetType()`, `TSGLLERegister()`, `TSGLLEAccept`
832 J*/
833 typedef const char *TSGLLEType;
834 #define TSGLLE_IRKS "irks"
835 
836 PETSC_EXTERN PetscErrorCode TSGLLERegister(const char[], PetscErrorCode (*)(TS));
837 PETSC_EXTERN PetscErrorCode TSGLLEInitializePackage(void);
838 PETSC_EXTERN PetscErrorCode TSGLLEFinalizePackage(void);
839 PETSC_EXTERN PetscErrorCode TSGLLESetType(TS, TSGLLEType);
840 PETSC_EXTERN PetscErrorCode TSGLLEGetAdapt(TS, TSGLLEAdapt *);
841 PETSC_EXTERN PetscErrorCode TSGLLESetAcceptType(TS, TSGLLEAcceptType);
842 
843 /*J
844     TSEIMEXType - String with the name of an Extrapolated IMEX `TSEIMEX` type
845 
846    Level: beginner
847 
848 .seealso: [](chapter_ts), `TSEIMEXSetType()`, `TS`, `TSEIMEX`, `TSEIMEXRegister()`
849 J*/
850 #define TSEIMEXType char *
851 
852 PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts, PetscInt);
853 PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts, PetscInt, PetscInt);
854 PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS, PetscBool);
855 
856 /*J
857     TSRKType - String with the name of a Runge-Kutta `TSRK` type
858 
859    Level: beginner
860 
861 .seealso: [](chapter_ts), `TS`, `TSRKSetType()`, `TS`, `TSRK`, `TSRKRegister()`
862 J*/
863 typedef const char *TSRKType;
864 #define TSRK1FE "1fe"
865 #define TSRK2A  "2a"
866 #define TSRK2B  "2b"
867 #define TSRK3   "3"
868 #define TSRK3BS "3bs"
869 #define TSRK4   "4"
870 #define TSRK5F  "5f"
871 #define TSRK5DP "5dp"
872 #define TSRK5BS "5bs"
873 #define TSRK6VR "6vr"
874 #define TSRK7VR "7vr"
875 #define TSRK8VR "8vr"
876 
877 PETSC_EXTERN PetscErrorCode TSRKGetOrder(TS, PetscInt *);
878 PETSC_EXTERN PetscErrorCode TSRKGetType(TS, TSRKType *);
879 PETSC_EXTERN PetscErrorCode TSRKSetType(TS, TSRKType);
880 PETSC_EXTERN PetscErrorCode TSRKGetTableau(TS, PetscInt *, const PetscReal **, const PetscReal **, const PetscReal **, const PetscReal **, PetscInt *, const PetscReal **, PetscBool *);
881 PETSC_EXTERN PetscErrorCode TSRKSetMultirate(TS, PetscBool);
882 PETSC_EXTERN PetscErrorCode TSRKGetMultirate(TS, PetscBool *);
883 PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType, PetscInt, PetscInt, const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], PetscInt, const PetscReal[]);
884 PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void);
885 PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void);
886 PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void);
887 
888 /*J
889    TSMPRKType - String with the name of a Partitioned Runge-Kutta `TSMPRK` type
890 
891    Level: beginner
892 
893 .seealso: [](chapter_ts), `TSMPRKSetType()`, `TS`, `TSMPRK`, `TSMPRKRegister()`
894 J*/
895 typedef const char *TSMPRKType;
896 #define TSMPRK2A22 "2a22"
897 #define TSMPRK2A23 "2a23"
898 #define TSMPRK2A32 "2a32"
899 #define TSMPRK2A33 "2a33"
900 #define TSMPRKP2   "p2"
901 #define TSMPRKP3   "p3"
902 
903 PETSC_EXTERN PetscErrorCode TSMPRKGetType(TS ts, TSMPRKType *);
904 PETSC_EXTERN PetscErrorCode TSMPRKSetType(TS ts, TSMPRKType);
905 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[]);
906 PETSC_EXTERN PetscErrorCode TSMPRKInitializePackage(void);
907 PETSC_EXTERN PetscErrorCode TSMPRKFinalizePackage(void);
908 PETSC_EXTERN PetscErrorCode TSMPRKRegisterDestroy(void);
909 
910 /*J
911     TSIRKType - String with the name of an implicit Runge-Kutta `TSIRK` type
912 
913    Level: beginner
914 
915 .seealso: [](chapter_ts), `TSIRKSetType()`, `TS`, `TSIRK`, `TSIRKRegister()`
916 J*/
917 typedef const char *TSIRKType;
918 #define TSIRKGAUSS "gauss"
919 
920 PETSC_EXTERN PetscErrorCode TSIRKGetOrder(TS, PetscInt *);
921 PETSC_EXTERN PetscErrorCode TSIRKGetType(TS, TSIRKType *);
922 PETSC_EXTERN PetscErrorCode TSIRKSetType(TS, TSIRKType);
923 PETSC_EXTERN PetscErrorCode TSIRKGetNumStages(TS, PetscInt *);
924 PETSC_EXTERN PetscErrorCode TSIRKSetNumStages(TS, PetscInt);
925 PETSC_EXTERN PetscErrorCode TSIRKRegister(const char[], PetscErrorCode (*function)(TS));
926 PETSC_EXTERN PetscErrorCode TSIRKTableauCreate(TS, PetscInt, const PetscReal *, const PetscReal *, const PetscReal *, const PetscReal *, const PetscScalar *, const PetscScalar *, const PetscScalar *);
927 PETSC_EXTERN PetscErrorCode TSIRKInitializePackage(void);
928 PETSC_EXTERN PetscErrorCode TSIRKFinalizePackage(void);
929 PETSC_EXTERN PetscErrorCode TSIRKRegisterDestroy(void);
930 
931 /*J
932     TSGLEEType - String with the name of a General Linear with Error Estimation `TSGLEE` type
933 
934    Level: beginner
935 
936 .seealso: [](chapter_ts), `TSGLEESetType()`, `TS`, `TSGLEE`, `TSGLEERegister()`
937 J*/
938 typedef const char *TSGLEEType;
939 #define TSGLEEi1      "BE1"
940 #define TSGLEE23      "23"
941 #define TSGLEE24      "24"
942 #define TSGLEE25I     "25i"
943 #define TSGLEE35      "35"
944 #define TSGLEEEXRK2A  "exrk2a"
945 #define TSGLEERK32G1  "rk32g1"
946 #define TSGLEERK285EX "rk285ex"
947 
948 /*J
949     TSGLEEMode - String with the mode of error estimation for a General Linear with Error Estimation `TSGLEE` type
950 
951    Level: beginner
952 
953 .seealso: [](chapter_ts), `TSGLEESetMode()`, `TS`, `TSGLEE`, `TSGLEERegister()`
954 J*/
955 PETSC_EXTERN PetscErrorCode TSGLEEGetType(TS ts, TSGLEEType *);
956 PETSC_EXTERN PetscErrorCode TSGLEESetType(TS ts, TSGLEEType);
957 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[]);
958 PETSC_EXTERN PetscErrorCode TSGLEEFinalizePackage(void);
959 PETSC_EXTERN PetscErrorCode TSGLEEInitializePackage(void);
960 PETSC_EXTERN PetscErrorCode TSGLEERegisterDestroy(void);
961 
962 /*J
963     TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX `TSARKIMEX` type
964 
965    Level: beginner
966 
967 .seealso: [](chapter_ts), `TSARKIMEXSetType()`, `TS`, `TSARKIMEX`, `TSARKIMEXRegister()`
968 J*/
969 typedef const char *TSARKIMEXType;
970 #define TSARKIMEX1BEE   "1bee"
971 #define TSARKIMEXA2     "a2"
972 #define TSARKIMEXL2     "l2"
973 #define TSARKIMEXARS122 "ars122"
974 #define TSARKIMEX2C     "2c"
975 #define TSARKIMEX2D     "2d"
976 #define TSARKIMEX2E     "2e"
977 #define TSARKIMEXPRSSP2 "prssp2"
978 #define TSARKIMEX3      "3"
979 #define TSARKIMEXBPR3   "bpr3"
980 #define TSARKIMEXARS443 "ars443"
981 #define TSARKIMEX4      "4"
982 #define TSARKIMEX5      "5"
983 PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts, TSARKIMEXType *);
984 PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts, TSARKIMEXType);
985 PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS, PetscBool);
986 PETSC_EXTERN PetscErrorCode TSARKIMEXGetFullyImplicit(TS, PetscBool *);
987 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[]);
988 PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
989 PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
990 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);
991 
992 /*J
993     TSRosWType - String with the name of a Rosenbrock-W `TSROSW` type
994 
995    Level: beginner
996 
997 .seealso: [](chapter_ts), `TSRosWSetType()`, `TS`, `TSROSW`, `TSRosWRegister()`
998 J*/
999 typedef const char *TSRosWType;
1000 #define TSROSW2M          "2m"
1001 #define TSROSW2P          "2p"
1002 #define TSROSWRA3PW       "ra3pw"
1003 #define TSROSWRA34PW2     "ra34pw2"
1004 #define TSROSWRODAS3      "rodas3"
1005 #define TSROSWSANDU3      "sandu3"
1006 #define TSROSWASSP3P3S1C  "assp3p3s1c"
1007 #define TSROSWLASSP3P4S2C "lassp3p4s2c"
1008 #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
1009 #define TSROSWARK3        "ark3"
1010 #define TSROSWTHETA1      "theta1"
1011 #define TSROSWTHETA2      "theta2"
1012 #define TSROSWGRK4T       "grk4t"
1013 #define TSROSWSHAMP4      "shamp4"
1014 #define TSROSWVELDD4      "veldd4"
1015 #define TSROSW4L          "4l"
1016 
1017 PETSC_EXTERN PetscErrorCode TSRosWGetType(TS, TSRosWType *);
1018 PETSC_EXTERN PetscErrorCode TSRosWSetType(TS, TSRosWType);
1019 PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS, PetscBool);
1020 PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType, PetscInt, PetscInt, const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], PetscInt, const PetscReal[]);
1021 PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal);
1022 PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void);
1023 PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
1024 PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);
1025 
1026 PETSC_EXTERN PetscErrorCode TSBDFSetOrder(TS, PetscInt);
1027 PETSC_EXTERN PetscErrorCode TSBDFGetOrder(TS, PetscInt *);
1028 
1029 /*J
1030   TSBasicSymplecticType - String with the name of a basic symplectic integration `TSBASICSYMPLECTIC` type
1031 
1032   Level: beginner
1033 
1034 .seealso: [](chapter_ts), `TSBasicSymplecticSetType()`, `TS`, `TSBASICSYMPLECTIC`, `TSBasicSymplecticRegister()`
1035 J*/
1036 typedef const char *TSBasicSymplecticType;
1037 #define TSBASICSYMPLECTICSIEULER   "1"
1038 #define TSBASICSYMPLECTICVELVERLET "2"
1039 #define TSBASICSYMPLECTIC3         "3"
1040 #define TSBASICSYMPLECTIC4         "4"
1041 PETSC_EXTERN PetscErrorCode TSBasicSymplecticSetType(TS, TSBasicSymplecticType);
1042 PETSC_EXTERN PetscErrorCode TSBasicSymplecticGetType(TS, TSBasicSymplecticType *);
1043 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegister(TSBasicSymplecticType, PetscInt, PetscInt, PetscReal[], PetscReal[]);
1044 PETSC_EXTERN PetscErrorCode TSBasicSymplecticInitializePackage(void);
1045 PETSC_EXTERN PetscErrorCode TSBasicSymplecticFinalizePackage(void);
1046 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegisterDestroy(void);
1047 
1048 /*J
1049   TSDISCGRAD - The Discrete Gradient integrator is a timestepper for Hamiltonian systems designed to conserve the first integral (energy),
1050   but also has the property for some systems of monotonicity in a functional.
1051 
1052   Level: beginner
1053 
1054 .seealso: [](chapter_ts), `TS`, TSDiscGradSetFormulation()`, `TSDiscGradGetFormulation()`
1055 J*/
1056 PETSC_EXTERN PetscErrorCode TSDiscGradSetFormulation(TS, PetscErrorCode (*)(TS, PetscReal, Vec, Mat, void *), PetscErrorCode (*)(TS, PetscReal, Vec, PetscScalar *, void *), PetscErrorCode (*)(TS, PetscReal, Vec, Vec, void *), void *);
1057 PETSC_EXTERN PetscErrorCode TSDiscGradIsGonzalez(TS, PetscBool *);
1058 PETSC_EXTERN PetscErrorCode TSDiscGradUseGonzalez(TS, PetscBool);
1059 
1060 /*
1061        PETSc interface to Sundials
1062 */
1063 #ifdef PETSC_HAVE_SUNDIALS2
1064 typedef enum {
1065   SUNDIALS_ADAMS = 1,
1066   SUNDIALS_BDF   = 2
1067 } TSSundialsLmmType;
1068 PETSC_EXTERN const char *const TSSundialsLmmTypes[];
1069 typedef enum {
1070   SUNDIALS_MODIFIED_GS  = 1,
1071   SUNDIALS_CLASSICAL_GS = 2
1072 } TSSundialsGramSchmidtType;
1073 PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
1074 PETSC_EXTERN PetscErrorCode    TSSundialsSetType(TS, TSSundialsLmmType);
1075 PETSC_EXTERN PetscErrorCode    TSSundialsGetPC(TS, PC *);
1076 PETSC_EXTERN PetscErrorCode    TSSundialsSetTolerance(TS, PetscReal, PetscReal);
1077 PETSC_EXTERN PetscErrorCode    TSSundialsSetMinTimeStep(TS, PetscReal);
1078 PETSC_EXTERN PetscErrorCode    TSSundialsSetMaxTimeStep(TS, PetscReal);
1079 PETSC_EXTERN PetscErrorCode    TSSundialsGetIterations(TS, PetscInt *, PetscInt *);
1080 PETSC_EXTERN PetscErrorCode    TSSundialsSetGramSchmidtType(TS, TSSundialsGramSchmidtType);
1081 PETSC_EXTERN PetscErrorCode    TSSundialsSetGMRESRestart(TS, PetscInt);
1082 PETSC_EXTERN PetscErrorCode    TSSundialsSetLinearTolerance(TS, PetscReal);
1083 PETSC_EXTERN PetscErrorCode    TSSundialsMonitorInternalSteps(TS, PetscBool);
1084 PETSC_EXTERN PetscErrorCode    TSSundialsGetParameters(TS, PetscInt *, long *[], double *[]);
1085 PETSC_EXTERN PetscErrorCode    TSSundialsSetMaxl(TS, PetscInt);
1086 PETSC_EXTERN PetscErrorCode    TSSundialsSetMaxord(TS, PetscInt);
1087 PETSC_EXTERN PetscErrorCode    TSSundialsSetUseDense(TS, PetscBool);
1088 #endif
1089 
1090 PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS, PetscReal);
1091 PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS, PetscReal *);
1092 PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS, PetscBool *);
1093 PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS, PetscBool);
1094 
1095 PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS, PetscReal);
1096 PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS, PetscReal, PetscReal, PetscReal);
1097 PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS, PetscReal *, PetscReal *, PetscReal *);
1098 
1099 PETSC_EXTERN PetscErrorCode TSAlpha2SetRadius(TS, PetscReal);
1100 PETSC_EXTERN PetscErrorCode TSAlpha2SetParams(TS, PetscReal, PetscReal, PetscReal, PetscReal);
1101 PETSC_EXTERN PetscErrorCode TSAlpha2GetParams(TS, PetscReal *, PetscReal *, PetscReal *, PetscReal *);
1102 
1103 PETSC_EXTERN PetscErrorCode TSSetDM(TS, DM);
1104 PETSC_EXTERN PetscErrorCode TSGetDM(TS, DM *);
1105 
1106 PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES, Vec, Vec, void *);
1107 PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES, Vec, Mat, Mat, void *);
1108 
1109 PETSC_EXTERN PetscErrorCode TSRHSJacobianTest(TS, PetscBool *);
1110 PETSC_EXTERN PetscErrorCode TSRHSJacobianTestTranspose(TS, PetscBool *);
1111 
1112 PETSC_EXTERN PetscErrorCode TSGetComputeInitialCondition(TS, PetscErrorCode (**)(TS, Vec));
1113 PETSC_EXTERN PetscErrorCode TSSetComputeInitialCondition(TS, PetscErrorCode (*)(TS, Vec));
1114 PETSC_EXTERN PetscErrorCode TSComputeInitialCondition(TS, Vec);
1115 PETSC_EXTERN PetscErrorCode TSGetComputeExactError(TS, PetscErrorCode (**)(TS, Vec, Vec));
1116 PETSC_EXTERN PetscErrorCode TSSetComputeExactError(TS, PetscErrorCode (*)(TS, Vec, Vec));
1117 PETSC_EXTERN PetscErrorCode TSComputeExactError(TS, Vec, Vec);
1118 PETSC_EXTERN PetscErrorCode PetscConvEstUseTS(PetscConvEst, PetscBool);
1119 
1120 PETSC_EXTERN PetscErrorCode TSSetMatStructure(TS, MatStructure);
1121 #endif
1122