xref: /petsc/include/petscts.h (revision 20a6ff2bf3e68ed71e4fbaba49bff68b457f8022)
1 /*
2    User interface for the timestepping package. This package
3    is for use in solving time-dependent PDEs.
4 */
5 #if !defined(__PETSCTS_H)
6 #define __PETSCTS_H
7 #include <petscsnes.h>
8 
9 /*S
10      TS - Abstract PETSc object that manages all time-steppers (ODE integrators)
11 
12    Level: beginner
13 
14   Concepts: ODE solvers
15 
16 .seealso:  TSCreate(), TSSetType(), TSType, SNES, KSP, PC, TSDestroy()
17 S*/
18 typedef struct _p_TS* TS;
19 
20 /*J
21     TSType - String with the name of a PETSc TS method.
22 
23    Level: beginner
24 
25 .seealso: TSSetType(), TS, TSRegister()
26 J*/
27 typedef const char* TSType;
28 #define TSEULER           "euler"
29 #define TSBEULER          "beuler"
30 #define 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 TSGL              "gl"
38 #define TSSSP             "ssp"
39 #define TSARKIMEX         "arkimex"
40 #define TSROSW            "rosw"
41 #define TSEIMEX           "eimex"
42 #define TSMIMEX           "mimex"
43 /*E
44     TSProblemType - Determines the type of problem this TS object is to be used to solve
45 
46    Level: beginner
47 
48 .seealso: TSCreate()
49 E*/
50 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType;
51 
52 /*E
53    TSEquationType - type of TS problem that is solved
54 
55    Level: beginner
56 
57    Developer Notes: this must match petsc/finclude/petscts.h
58 
59    Supported types are:
60      TS_EQ_UNSPECIFIED (default)
61      TS_EQ_EXPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) := M(t) U_t - G(U,t) = 0
62      TS_EQ_IMPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) = 0
63 
64 .seealso: TSGetEquationType(), TSSetEquationType()
65 E*/
66 typedef enum {
67   TS_EQ_UNSPECIFIED               = -1,
68   TS_EQ_EXPLICIT                  = 0,
69   TS_EQ_ODE_EXPLICIT              = 1,
70   TS_EQ_DAE_SEMI_EXPLICIT_INDEX1  = 100,
71   TS_EQ_DAE_SEMI_EXPLICIT_INDEX2  = 200,
72   TS_EQ_DAE_SEMI_EXPLICIT_INDEX3  = 300,
73   TS_EQ_DAE_SEMI_EXPLICIT_INDEXHI = 500,
74   TS_EQ_IMPLICIT                  = 1000,
75   TS_EQ_ODE_IMPLICIT              = 1001,
76   TS_EQ_DAE_IMPLICIT_INDEX1       = 1100,
77   TS_EQ_DAE_IMPLICIT_INDEX2       = 1200,
78   TS_EQ_DAE_IMPLICIT_INDEX3       = 1300,
79   TS_EQ_DAE_IMPLICIT_INDEXHI      = 1500
80 } TSEquationType;
81 PETSC_EXTERN const char *const*TSEquationTypes;
82 
83 /*E
84    TSConvergedReason - reason a TS method has converged or not
85 
86    Level: beginner
87 
88    Developer Notes: this must match petsc/finclude/petscts.h
89 
90    Each reason has its own manual page.
91 
92 .seealso: TSGetConvergedReason()
93 E*/
94 typedef enum {
95   TS_CONVERGED_ITERATING      = 0,
96   TS_CONVERGED_TIME           = 1,
97   TS_CONVERGED_ITS            = 2,
98   TS_CONVERGED_USER           = 3,
99   TS_CONVERGED_EVENT          = 4,
100   TS_DIVERGED_NONLINEAR_SOLVE = -1,
101   TS_DIVERGED_STEP_REJECTED   = -2
102 } TSConvergedReason;
103 PETSC_EXTERN const char *const*TSConvergedReasons;
104 
105 /*MC
106    TS_CONVERGED_ITERATING - this only occurs if TSGetConvergedReason() is called during the TSSolve()
107 
108    Level: beginner
109 
110 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
111 M*/
112 
113 /*MC
114    TS_CONVERGED_TIME - the final time was reached
115 
116    Level: beginner
117 
118 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetDuration(), TSGetSolveTime()
119 M*/
120 
121 /*MC
122    TS_CONVERGED_ITS - the maximum number of iterations (time-steps) was reached prior to the final time
123 
124    Level: beginner
125 
126 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetDuration()
127 M*/
128 
129 /*MC
130    TS_CONVERGED_USER - user requested termination
131 
132    Level: beginner
133 
134 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TSSetDuration()
135 M*/
136 
137 /*MC
138    TS_CONVERGED_EVENT - user requested termination on event detection
139 
140    Level: beginner
141 
142 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TSSetDuration()
143 M*/
144 
145 /*MC
146    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed
147 
148    Level: beginner
149 
150    Notes: See TSSetMaxSNESFailures() for how to allow more nonlinear solver failures.
151 
152 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSGetSNES(), SNESGetConvergedReason(), TSSetMaxSNESFailures()
153 M*/
154 
155 /*MC
156    TS_DIVERGED_STEP_REJECTED - too many steps were rejected
157 
158    Level: beginner
159 
160    Notes: See TSSetMaxStepRejections() for how to allow more step rejections.
161 
162 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxStepRejections()
163 M*/
164 
165 /*E
166    TSExactFinalTimeOption - option for handling of final time step
167 
168    Level: beginner
169 
170    Developer Notes: this must match petsc/finclude/petscts.h
171 
172 $  TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
173 $  TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
174 $  TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time
175 .seealso: TSGetConvergedReason(), TSSetExactFinalTime()
176 
177 E*/
178 typedef enum {TS_EXACTFINALTIME_STEPOVER=0,TS_EXACTFINALTIME_INTERPOLATE=1,TS_EXACTFINALTIME_MATCHSTEP=2} TSExactFinalTimeOption;
179 PETSC_EXTERN const char *const TSExactFinalTimeOptions[];
180 
181 
182 /* Logging support */
183 PETSC_EXTERN PetscClassId TS_CLASSID;
184 PETSC_EXTERN PetscClassId DMTS_CLASSID;
185 
186 PETSC_EXTERN PetscErrorCode TSInitializePackage(void);
187 
188 PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm,TS*);
189 PETSC_EXTERN PetscErrorCode TSClone(TS,TS*);
190 PETSC_EXTERN PetscErrorCode TSDestroy(TS*);
191 
192 PETSC_EXTERN PetscErrorCode TSSetProblemType(TS,TSProblemType);
193 PETSC_EXTERN PetscErrorCode TSGetProblemType(TS,TSProblemType*);
194 PETSC_EXTERN PetscErrorCode TSMonitor(TS,PetscInt,PetscReal,Vec);
195 PETSC_EXTERN PetscErrorCode TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
196 PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);
197 
198 PETSC_EXTERN PetscErrorCode TSAdjointMonitor(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*);
199 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*),void *,PetscErrorCode (*)(void**));
200 PETSC_EXTERN PetscErrorCode TSAdjointMonitorCancel(TS);
201 
202 
203 PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS,const char[]);
204 PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS,const char[]);
205 PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS,const char *[]);
206 PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
207 PETSC_EXTERN PetscErrorCode TSSetUp(TS);
208 PETSC_EXTERN PetscErrorCode TSReset(TS);
209 
210 PETSC_EXTERN PetscErrorCode TSSetSolution(TS,Vec);
211 PETSC_EXTERN PetscErrorCode TSGetSolution(TS,Vec*);
212 
213 /*S
214      TSTrajectory - Abstract PETSc object that storing the trajectory (solution of ODE/ADE at each time step and stage)
215 
216    Level: advanced
217 
218   Concepts: ODE solvers, adjoint
219 
220 .seealso:  TSCreate(), TSSetType(), TSType, SNES, KSP, PC, TSDestroy()
221 S*/
222 typedef struct _p_TSTrajectory* TSTrajectory;
223 
224 /*J
225     TSTrajectoryType - String with the name of a PETSc TS trajectory storage method
226 
227    Level: intermediate
228 
229 .seealso: TSSetType(), TS, TSRegister(), TSTrajectoryCreate(), TSTrajectorySetType()
230 J*/
231 typedef const char* TSTrajectoryType;
232 #define TSTRAJECTORYBASIC      "basic"
233 #define TSTRAJECTORYSINGLEFILE "singlefile"
234 #define TSTRAJECTORYMEMORY     "memory"
235 
236 PETSC_EXTERN PetscFunctionList TSTrajectoryList;
237 PETSC_EXTERN PetscClassId      TSTRAJECTORY_CLASSID;
238 PETSC_EXTERN PetscBool         TSTrajectoryRegisterAllCalled;
239 
240 PETSC_EXTERN PetscErrorCode TSSetSaveTrajectory(TS);
241 
242 PETSC_EXTERN PetscErrorCode TSTrajectoryCreate(MPI_Comm,TSTrajectory*);
243 PETSC_EXTERN PetscErrorCode TSTrajectoryDestroy(TSTrajectory*);
244 PETSC_EXTERN PetscErrorCode TSTrajectorySetType(TSTrajectory,TS,const TSTrajectoryType);
245 PETSC_EXTERN PetscErrorCode TSTrajectorySet(TSTrajectory,TS,PetscInt,PetscReal,Vec);
246 PETSC_EXTERN PetscErrorCode TSTrajectoryGet(TSTrajectory,TS,PetscInt,PetscReal*);
247 PETSC_EXTERN PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory,TS);
248 PETSC_EXTERN PetscErrorCode TSTrajectoryRegisterAll(void);
249 
250 PETSC_EXTERN PetscErrorCode TSSetCostGradients(TS,PetscInt,Vec*,Vec*);
251 PETSC_EXTERN PetscErrorCode TSGetCostGradients(TS,PetscInt*,Vec**,Vec**);
252 PETSC_EXTERN PetscErrorCode TSSetCostIntegrand(TS,PetscInt,PetscErrorCode (*)(TS,PetscReal,Vec,Vec,void*),PetscErrorCode (*)(TS,PetscReal,Vec,Vec*,void*),PetscErrorCode (*)(TS,PetscReal,Vec,Vec*,void*),void*);
253 PETSC_EXTERN PetscErrorCode TSGetCostIntegral(TS,Vec*);
254 
255 PETSC_EXTERN PetscErrorCode TSAdjointSetRHSJacobian(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
256 PETSC_EXTERN PetscErrorCode TSAdjointSolve(TS);
257 PETSC_EXTERN PetscErrorCode TSAdjointSetSteps(TS,PetscInt);
258 
259 PETSC_EXTERN PetscErrorCode TSAdjointComputeRHSJacobian(TS,PetscReal,Vec,Mat);
260 PETSC_EXTERN PetscErrorCode TSAdjointStep(TS);
261 PETSC_EXTERN PetscErrorCode TSAdjointSetUp(TS);
262 PETSC_EXTERN PetscErrorCode TSAdjointComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
263 PETSC_EXTERN PetscErrorCode TSAdjointComputeDRDYFunction(TS,PetscReal,Vec,Vec*);
264 PETSC_EXTERN PetscErrorCode TSAdjointComputeCostIntegrand(TS,PetscReal,Vec,Vec);
265 
266 PETSC_EXTERN PetscErrorCode TSSetDuration(TS,PetscInt,PetscReal);
267 PETSC_EXTERN PetscErrorCode TSGetDuration(TS,PetscInt*,PetscReal*);
268 PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS,TSExactFinalTimeOption);
269 
270 PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS,PetscInt,PetscReal,Vec,void*);
271 
272 typedef struct _n_TSMonitorDrawCtx*  TSMonitorDrawCtx;
273 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorDrawCtx *);
274 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx*);
275 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS,PetscInt,PetscReal,Vec,void*);
276 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionPhase(TS,PetscInt,PetscReal,Vec,void*);
277 PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS,PetscInt,PetscReal,Vec,void*);
278 
279 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void *);
280 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDrawSensi(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*);
281 
282 PETSC_EXTERN PetscErrorCode TSMonitorSolutionBinary(TS,PetscInt,PetscReal,Vec,void*);
283 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS,PetscInt,PetscReal,Vec,void*);
284 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void*);
285 
286 PETSC_EXTERN PetscErrorCode TSStep(TS);
287 PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS,PetscInt,Vec,PetscBool*);
288 PETSC_EXTERN PetscErrorCode TSSolve(TS,Vec);
289 PETSC_EXTERN PetscErrorCode TSGetEquationType(TS,TSEquationType*);
290 PETSC_EXTERN PetscErrorCode TSSetEquationType(TS,TSEquationType);
291 PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS,TSConvergedReason*);
292 PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS,TSConvergedReason);
293 PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS,PetscReal*);
294 PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS,PetscInt*);
295 PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS,PetscInt*);
296 PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS,PetscInt*);
297 PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS,PetscInt);
298 PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS,PetscInt*);
299 PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS,PetscInt);
300 PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS,PetscBool);
301 PETSC_EXTERN PetscErrorCode TSRollBack(TS);
302 PETSC_EXTERN PetscErrorCode TSGetTotalSteps(TS,PetscInt*);
303 
304 PETSC_EXTERN PetscErrorCode TSGetStages(TS,PetscInt*,Vec**);
305 
306 PETSC_EXTERN PetscErrorCode TSSetInitialTimeStep(TS,PetscReal,PetscReal);
307 PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS,PetscReal*);
308 PETSC_EXTERN PetscErrorCode TSGetTime(TS,PetscReal*);
309 PETSC_EXTERN PetscErrorCode TSSetTime(TS,PetscReal);
310 PETSC_EXTERN PetscErrorCode TSGetTimeStepNumber(TS,PetscInt*);
311 PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS,PetscReal);
312 PETSC_EXTERN PetscErrorCode TSGetPrevTime(TS,PetscReal*);
313 
314 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
315 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat,Mat,void*);
316 PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
317 PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
318 PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
319 PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
320 PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS,PetscBool);
321 
322 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS,PetscReal,Vec,void*);
323 PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS,TSSolutionFunction,void*);
324 PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS,PetscErrorCode (*)(TS,PetscReal,Vec,void*),void*);
325 
326 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
327 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
328 PETSC_EXTERN PetscErrorCode TSSetIFunction(TS,Vec,TSIFunction,void*);
329 PETSC_EXTERN PetscErrorCode TSGetIFunction(TS,Vec*,TSIFunction*,void**);
330 PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
331 PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);
332 
333 PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
334 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat,Mat,void*);
335 PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
336 PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
337 PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS,PetscReal,Vec);
338 PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS,PetscReal,Vec);
339 PETSC_EXTERN PetscErrorCode TSComputeIJacobianDefaultColor(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
340 
341 PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
342 PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS,PetscReal));
343 PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS,PetscReal,PetscInt,Vec*));
344 PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
345 PETSC_EXTERN PetscErrorCode TSPreStep(TS);
346 PETSC_EXTERN PetscErrorCode TSPreStage(TS,PetscReal);
347 PETSC_EXTERN PetscErrorCode TSPostStage(TS,PetscReal,PetscInt,Vec*);
348 PETSC_EXTERN PetscErrorCode TSPostStep(TS);
349 PETSC_EXTERN PetscErrorCode TSSetRetainStages(TS,PetscBool);
350 PETSC_EXTERN PetscErrorCode TSInterpolate(TS,PetscReal,Vec);
351 PETSC_EXTERN PetscErrorCode TSSetTolerances(TS,PetscReal,Vec,PetscReal,Vec);
352 PETSC_EXTERN PetscErrorCode TSGetTolerances(TS,PetscReal*,Vec*,PetscReal*,Vec*);
353 PETSC_EXTERN PetscErrorCode TSErrorWeightedNormInfinity(TS,Vec,Vec,PetscReal*);
354 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm2(TS,Vec,Vec,PetscReal*);
355 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm(TS,Vec,Vec,NormType,PetscReal*);
356 PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS,PetscReal);
357 PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS,PetscReal*);
358 
359 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
360 PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS,PetscReal*,void*);
361 PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS,PetscReal *);
362 PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS,PetscReal);
363 
364 PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
365 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS,Vec,void*,PetscReal*,PetscBool *);
366 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
367 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS,PetscReal);
368 PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);
369 
370 PETSC_EXTERN PetscErrorCode TSPythonSetType(TS,const char[]);
371 
372 PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
373 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS,PetscReal,Vec,Mat,Mat);
374 PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
375 PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,PetscBool);
376 PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS,PetscReal,PetscReal,PetscReal*,PetscReal*);
377 
378 PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS,Vec,Vec);
379 
380 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM,TSRHSFunction,void*);
381 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM,TSRHSFunction*,void**);
382 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM,TSRHSJacobian,void*);
383 PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM,TSRHSJacobian*,void**);
384 PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM,TSIFunction,void*);
385 PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM,TSIFunction*,void**);
386 PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM,TSIJacobian,void*);
387 PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM,TSIJacobian*,void**);
388 PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM,TSSolutionFunction,void*);
389 PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM,TSSolutionFunction*,void**);
390 PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM,PetscErrorCode (*)(TS,PetscReal,Vec,void*),void*);
391 PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM,PetscErrorCode (**)(TS,PetscReal,Vec,void*),void**);
392 PETSC_EXTERN PetscErrorCode DMTSGetMinRadius(DM,PetscReal*);
393 PETSC_EXTERN PetscErrorCode DMTSSetMinRadius(DM,PetscReal);
394 PETSC_EXTERN PetscErrorCode DMTSCheckFromOptions(TS, Vec, PetscErrorCode (**)(PetscInt, const PetscReal[], PetscInt, PetscScalar *, void *), void **);
395 
396 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,Vec,void*),void*);
397 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*),void*);
398 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,void*),void*);
399 
400 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
401 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
402 
403 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*);
404 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*);
405 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*);
406 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*);
407 
408 PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*),void *);
409 PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*),void *);
410 PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*),void *);
411 PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*),void *);
412 
413 PETSC_EXTERN PetscErrorCode DMPlexTSGetGeometryFVM(DM, Vec *, Vec *, PetscReal *);
414 
415 typedef struct _n_TSMonitorLGCtx*  TSMonitorLGCtx;
416 typedef struct {
417   Vec            ray;
418   VecScatter     scatter;
419   PetscViewer    viewer;
420   TSMonitorLGCtx lgctx;
421 } TSMonitorDMDARayCtx;
422 PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void**);
423 PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS,PetscInt,PetscReal,Vec,void*);
424 PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS,PetscInt,PetscReal,Vec,void*);
425 
426 
427 /* Dynamic creation and loading functions */
428 PETSC_EXTERN PetscFunctionList TSList;
429 PETSC_EXTERN PetscErrorCode TSGetType(TS,TSType*);
430 PETSC_EXTERN PetscErrorCode TSSetType(TS,TSType);
431 PETSC_EXTERN PetscErrorCode TSRegister(const char[], PetscErrorCode (*)(TS));
432 
433 PETSC_EXTERN PetscErrorCode TSGetSNES(TS,SNES*);
434 PETSC_EXTERN PetscErrorCode TSSetSNES(TS,SNES);
435 PETSC_EXTERN PetscErrorCode TSGetKSP(TS,KSP*);
436 
437 PETSC_EXTERN PetscErrorCode TSView(TS,PetscViewer);
438 PETSC_EXTERN PetscErrorCode TSLoad(TS,PetscViewer);
439 PETSC_STATIC_INLINE PetscErrorCode TSViewFromOptions(TS A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
440 
441 
442 #define TS_FILE_CLASSID 1211225
443 
444 PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS,void *);
445 PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS,void *);
446 
447 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtx *);
448 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx*);
449 PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS,PetscInt,PetscReal,Vec,void *);
450 PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS,PetscInt,PetscReal,Vec,void *);
451 PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS,const char * const*);
452 PETSC_EXTERN PetscErrorCode TSMonitorLGGetVariableNames(TS,const char *const **);
453 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetVariableNames(TSMonitorLGCtx,const char * const *);
454 PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS,const char * const*);
455 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetDisplayVariables(TSMonitorLGCtx,const char * const*);
456 PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
457 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetTransform(TSMonitorLGCtx,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void *);
458 PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS,PetscInt,PetscReal,Vec,void *);
459 PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS,PetscInt,PetscReal,Vec,void *);
460 PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS,PetscInt,PetscReal,Vec,void *);
461 
462 typedef struct _n_TSMonitorEnvelopeCtx*  TSMonitorEnvelopeCtx;
463 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxCreate(TS,TSMonitorEnvelopeCtx*);
464 PETSC_EXTERN PetscErrorCode TSMonitorEnvelope(TS,PetscInt,PetscReal,Vec,void*);
465 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeGetBounds(TS,Vec*,Vec*);
466 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxDestroy(TSMonitorEnvelopeCtx*);
467 
468 typedef struct _n_TSMonitorSPEigCtx*  TSMonitorSPEigCtx;
469 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPEigCtx *);
470 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx*);
471 PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS,PetscInt,PetscReal,Vec,void *);
472 
473 PETSC_EXTERN PetscErrorCode TSSetEventMonitor(TS,PetscInt,PetscInt*,PetscBool*,PetscErrorCode (*)(TS,PetscReal,Vec,PetscScalar*,void*),PetscErrorCode (*)(TS,PetscInt,PetscInt[],PetscReal,Vec,PetscBool,void*),void*);
474 PETSC_EXTERN PetscErrorCode TSSetEventTolerances(TS,PetscReal,PetscReal*);
475 /*J
476    TSSSPType - string with the name of TSSSP scheme.
477 
478    Level: beginner
479 
480 .seealso: TSSSPSetType(), TS
481 J*/
482 typedef const char* TSSSPType;
483 #define TSSSPRKS2  "rks2"
484 #define TSSSPRKS3  "rks3"
485 #define TSSSPRK104 "rk104"
486 
487 PETSC_EXTERN PetscErrorCode TSSSPSetType(TS,TSSSPType);
488 PETSC_EXTERN PetscErrorCode TSSSPGetType(TS,TSSSPType*);
489 PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
490 PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
491 PETSC_EXTERN PetscErrorCode TSSSPFinalizePackage(void);
492 PETSC_EXTERN PetscErrorCode TSSSPInitializePackage(void);
493 
494 /*S
495    TSAdapt - Abstract object that manages time-step adaptivity
496 
497    Level: beginner
498 
499 .seealso: TS, TSAdaptCreate(), TSAdaptType
500 S*/
501 typedef struct _p_TSAdapt *TSAdapt;
502 
503 /*E
504     TSAdaptType - String with the name of TSAdapt scheme.
505 
506    Level: beginner
507 
508 .seealso: TSAdaptSetType(), TS
509 E*/
510 typedef const char *TSAdaptType;
511 #define TSADAPTBASIC "basic"
512 #define TSADAPTNONE  "none"
513 #define TSADAPTCFL   "cfl"
514 
515 PETSC_EXTERN PetscErrorCode TSGetAdapt(TS,TSAdapt*);
516 PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[],PetscErrorCode (*)(TSAdapt));
517 PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void);
518 PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
519 PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm,TSAdapt*);
520 PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt,TSAdaptType);
521 PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt,const char[]);
522 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
523 PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt,const char[],PetscInt,PetscInt,PetscReal,PetscReal,PetscBool);
524 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt,PetscInt*,const PetscInt**,const PetscInt**,const PetscReal**,const PetscReal**);
525 PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt,TS,PetscReal,PetscInt*,PetscReal*,PetscBool*);
526 PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt,TS,PetscBool*);
527 PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt,PetscViewer);
528 PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt,PetscViewer);
529 PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(PetscOptions*,TSAdapt);
530 PETSC_EXTERN PetscErrorCode TSAdaptReset(TSAdapt);
531 PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt*);
532 PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt,PetscBool);
533 PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt,PetscReal,PetscReal);
534 PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt,PetscErrorCode(*)(TSAdapt,TS,PetscBool*));
535 
536 /*S
537    TSGLAdapt - Abstract object that manages time-step adaptivity
538 
539    Level: beginner
540 
541    Developer Notes:
542    This functionality should be replaced by the TSAdapt.
543 
544 .seealso: TSGL, TSGLAdaptCreate(), TSGLAdaptType
545 S*/
546 typedef struct _p_TSGLAdapt *TSGLAdapt;
547 
548 /*J
549     TSGLAdaptType - String with the name of TSGLAdapt scheme
550 
551    Level: beginner
552 
553 .seealso: TSGLAdaptSetType(), TS
554 J*/
555 typedef const char *TSGLAdaptType;
556 #define TSGLADAPT_NONE "none"
557 #define TSGLADAPT_SIZE "size"
558 #define TSGLADAPT_BOTH "both"
559 
560 PETSC_EXTERN PetscErrorCode TSGLAdaptRegister(const char[],PetscErrorCode (*)(TSGLAdapt));
561 PETSC_EXTERN PetscErrorCode TSGLAdaptInitializePackage(void);
562 PETSC_EXTERN PetscErrorCode TSGLAdaptFinalizePackage(void);
563 PETSC_EXTERN PetscErrorCode TSGLAdaptCreate(MPI_Comm,TSGLAdapt*);
564 PETSC_EXTERN PetscErrorCode TSGLAdaptSetType(TSGLAdapt,TSGLAdaptType);
565 PETSC_EXTERN PetscErrorCode TSGLAdaptSetOptionsPrefix(TSGLAdapt,const char[]);
566 PETSC_EXTERN PetscErrorCode TSGLAdaptChoose(TSGLAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
567 PETSC_EXTERN PetscErrorCode TSGLAdaptView(TSGLAdapt,PetscViewer);
568 PETSC_EXTERN PetscErrorCode TSGLAdaptSetFromOptions(PetscOptions*,TSGLAdapt);
569 PETSC_EXTERN PetscErrorCode TSGLAdaptDestroy(TSGLAdapt*);
570 
571 /*J
572     TSGLAcceptType - String with the name of TSGLAccept scheme
573 
574    Level: beginner
575 
576 .seealso: TSGLSetAcceptType(), TS
577 J*/
578 typedef const char *TSGLAcceptType;
579 #define TSGLACCEPT_ALWAYS "always"
580 
581 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
582 PETSC_EXTERN PetscErrorCode TSGLAcceptRegister(const char[],TSGLAcceptFunction);
583 
584 /*J
585   TSGLType - family of time integration method within the General Linear class
586 
587   Level: beginner
588 
589 .seealso: TSGLSetType(), TSGLRegister()
590 J*/
591 typedef const char* TSGLType;
592 #define TSGL_IRKS   "irks"
593 
594 PETSC_EXTERN PetscErrorCode TSGLRegister(const char[],PetscErrorCode(*)(TS));
595 PETSC_EXTERN PetscErrorCode TSGLInitializePackage(void);
596 PETSC_EXTERN PetscErrorCode TSGLFinalizePackage(void);
597 PETSC_EXTERN PetscErrorCode TSGLSetType(TS,TSGLType);
598 PETSC_EXTERN PetscErrorCode TSGLGetAdapt(TS,TSGLAdapt*);
599 PETSC_EXTERN PetscErrorCode TSGLSetAcceptType(TS,TSGLAcceptType);
600 
601 /*J
602     TSEIMEXType - String with the name of an Extrapolated IMEX method.
603 
604    Level: beginner
605 
606 .seealso: TSEIMEXSetType(), TS, TSEIMEX, TSEIMEXRegister()
607 J*/
608 #define TSEIMEXType   char*
609 
610 PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts,PetscInt);
611 PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts,PetscInt,PetscInt);
612 PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS,PetscBool);
613 
614 /*J
615     TSRKType - String with the name of a Runge-Kutta method.
616 
617    Level: beginner
618 
619 .seealso: TSRKSetType(), TS, TSRK, TSRKRegister()
620 J*/
621 typedef const char* TSRKType;
622 #define TSRK1FE   "1fe"
623 #define TSRK2A    "2a"
624 #define TSRK3     "3"
625 #define TSRK3BS   "3bs"
626 #define TSRK4     "4"
627 #define TSRK5F    "5f"
628 #define TSRK5DP   "5dp"
629 PETSC_EXTERN PetscErrorCode TSRKGetType(TS ts,TSRKType*);
630 PETSC_EXTERN PetscErrorCode TSRKSetType(TS ts,TSRKType);
631 PETSC_EXTERN PetscErrorCode TSRKSetFullyImplicit(TS,PetscBool);
632 PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
633 PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void);
634 PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void);
635 PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void);
636 
637 /*J
638     TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX method.
639 
640    Level: beginner
641 
642 .seealso: TSARKIMEXSetType(), TS, TSARKIMEX, TSARKIMEXRegister()
643 J*/
644 typedef const char* TSARKIMEXType;
645 #define TSARKIMEX1BEE   "1bee"
646 #define TSARKIMEXA2     "a2"
647 #define TSARKIMEXL2     "l2"
648 #define TSARKIMEXARS122 "ars122"
649 #define TSARKIMEX2C     "2c"
650 #define TSARKIMEX2D     "2d"
651 #define TSARKIMEX2E     "2e"
652 #define TSARKIMEXPRSSP2 "prssp2"
653 #define TSARKIMEX3      "3"
654 #define TSARKIMEXBPR3   "bpr3"
655 #define TSARKIMEXARS443 "ars443"
656 #define TSARKIMEX4      "4"
657 #define TSARKIMEX5      "5"
658 PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts,TSARKIMEXType*);
659 PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts,TSARKIMEXType);
660 PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
661 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[]);
662 PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
663 PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
664 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);
665 
666 /*J
667     TSRosWType - String with the name of a Rosenbrock-W method.
668 
669    Level: beginner
670 
671 .seealso: TSRosWSetType(), TS, TSROSW, TSRosWRegister()
672 J*/
673 typedef const char* TSRosWType;
674 #define TSROSW2M          "2m"
675 #define TSROSW2P          "2p"
676 #define TSROSWRA3PW       "ra3pw"
677 #define TSROSWRA34PW2     "ra34pw2"
678 #define TSROSWRODAS3      "rodas3"
679 #define TSROSWSANDU3      "sandu3"
680 #define TSROSWASSP3P3S1C  "assp3p3s1c"
681 #define TSROSWLASSP3P4S2C "lassp3p4s2c"
682 #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
683 #define TSROSWARK3        "ark3"
684 #define TSROSWTHETA1      "theta1"
685 #define TSROSWTHETA2      "theta2"
686 #define TSROSWGRK4T       "grk4t"
687 #define TSROSWSHAMP4      "shamp4"
688 #define TSROSWVELDD4      "veldd4"
689 #define TSROSW4L          "4l"
690 
691 PETSC_EXTERN PetscErrorCode TSRosWGetType(TS ts,TSRosWType*);
692 PETSC_EXTERN PetscErrorCode TSRosWSetType(TS ts,TSRosWType);
693 PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS,PetscBool);
694 PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
695 PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
696 PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
697 PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void);
698 PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);
699 
700 /*
701        PETSc interface to Sundials
702 */
703 #ifdef PETSC_HAVE_SUNDIALS
704 typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
705 PETSC_EXTERN const char *const TSSundialsLmmTypes[];
706 typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
707 PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
708 PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS,TSSundialsLmmType);
709 PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS,PC*);
710 PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS,PetscReal,PetscReal);
711 PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS,PetscReal);
712 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS,PetscReal);
713 PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
714 PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
715 PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS,PetscInt);
716 PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS,PetscReal);
717 PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS,PetscBool );
718 PETSC_EXTERN PetscErrorCode TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
719 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS,PetscInt);
720 #endif
721 
722 PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS,PetscReal);
723 PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS,PetscReal*);
724 PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS,PetscBool*);
725 PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS,PetscBool);
726 
727 PETSC_EXTERN PetscErrorCode TSAlphaSetAdapt(TS,PetscErrorCode(*)(TS,PetscReal,Vec,Vec,PetscReal*,PetscBool*,void*),void*);
728 PETSC_EXTERN PetscErrorCode TSAlphaAdaptDefault(TS,PetscReal,Vec,Vec,PetscReal*,PetscBool*,void*);
729 PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS,PetscReal);
730 PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
731 PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);
732 
733 PETSC_EXTERN PetscErrorCode TSSetDM(TS,DM);
734 PETSC_EXTERN PetscErrorCode TSGetDM(TS,DM*);
735 
736 PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES,Vec,Vec,void*);
737 PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES,Vec,Mat,Mat,void*);
738 
739 #endif
740