xref: /petsc/include/petscts.h (revision d6ad946c616f42472bedcd4b5969b231e5e9f08f)
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
17 S*/
18 typedef struct _p_TS* TS;
19 
20 /*J
21     TSType - String with the name of a PETSc TS method or the creation function
22        with an optional dynamic library name, for example
23        http://www.mcs.anl.gov/petsc/lib.a:mytscreate()
24 
25    Level: beginner
26 
27 .seealso: TSSetType(), TS
28 J*/
29 typedef const char* TSType;
30 #define TSEULER           "euler"
31 #define TSBEULER          "beuler"
32 #define TSPSEUDO          "pseudo"
33 #define TSCN              "cn"
34 #define TSSUNDIALS        "sundials"
35 #define TSRK              "rk"
36 #define TSPYTHON          "python"
37 #define TSTHETA           "theta"
38 #define TSALPHA           "alpha"
39 #define TSGL              "gl"
40 #define TSSSP             "ssp"
41 #define TSARKIMEX         "arkimex"
42 #define TSROSW            "rosw"
43 
44 /*E
45     TSProblemType - Determines the type of problem this TS object is to be used to solve
46 
47    Level: beginner
48 
49 .seealso: TSCreate()
50 E*/
51 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType;
52 
53 /*E
54    TSConvergedReason - reason a TS method has converged or not
55 
56    Level: beginner
57 
58    Developer Notes: this must match finclude/petscts.h
59 
60    Each reason has its own manual page.
61 
62 .seealso: TSGetConvergedReason()
63 E*/
64 typedef enum {
65   TS_CONVERGED_ITERATING      = 0,
66   TS_CONVERGED_TIME           = 1,
67   TS_CONVERGED_ITS            = 2,
68   TS_CONVERGED_USER           = 3,
69   TS_DIVERGED_NONLINEAR_SOLVE = -1,
70   TS_DIVERGED_STEP_REJECTED   = -2
71 } TSConvergedReason;
72 PETSC_EXTERN const char *const*TSConvergedReasons;
73 /*MC
74    TS_CONVERGED_ITERATING - this only occurs if TSGetConvergedReason() is called during the TSSolve()
75 
76    Level: beginner
77 
78 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
79 M*/
80 
81 /*MC
82    TS_CONVERGED_TIME - the final time was reached
83 
84    Level: beginner
85 
86 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetDuration(), TSGetSolveTime()
87 M*/
88 
89 /*MC
90    TS_CONVERGED_ITS - the maximum number of iterations was reached prior to the final time
91 
92    Level: beginner
93 
94 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetDuration()
95 M*/
96 /*MC
97    TS_CONVERGED_USER - user requested termination
98 
99    Level: beginner
100 
101 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TSSetDuration()
102 M*/
103 
104 /*MC
105    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed
106 
107    Level: beginner
108 
109 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSGetSNES(), SNESGetConvergedReason()
110 M*/
111 
112 /*MC
113    TS_DIVERGED_STEP_REJECTED - too many steps were rejected
114 
115    Level: beginner
116 
117 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
118 M*/
119 
120 /*E
121    TSExactFinalTimeOption - option for handling of final time step
122 
123    Level: beginner
124 
125    Developer Notes: this must match finclude/petscts.h
126 
127 $  TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
128 $  TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
129 $  TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time
130 .seealso: TSGetConvergedReason()
131 E*/
132 typedef enum {TS_EXACTFINALTIME_STEPOVER=0,TS_EXACTFINALTIME_INTERPOLATE=1,TS_EXACTFINALTIME_MATCHSTEP=2} TSExactFinalTimeOption;
133 PETSC_EXTERN const char *const TSExactFinalTimeOptions[];
134 
135 
136 /* Logging support */
137 PETSC_EXTERN PetscClassId TS_CLASSID;
138 PETSC_EXTERN PetscClassId DMTS_CLASSID;
139 
140 PETSC_EXTERN PetscErrorCode TSInitializePackage(const char[]);
141 
142 PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm,TS*);
143 PETSC_EXTERN PetscErrorCode TSDestroy(TS*);
144 
145 PETSC_EXTERN PetscErrorCode TSSetProblemType(TS,TSProblemType);
146 PETSC_EXTERN PetscErrorCode TSGetProblemType(TS,TSProblemType*);
147 PETSC_EXTERN PetscErrorCode TSMonitor(TS,PetscInt,PetscReal,Vec);
148 PETSC_EXTERN PetscErrorCode TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
149 PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);
150 
151 PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS,const char[]);
152 PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS,const char[]);
153 PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS,const char *[]);
154 PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
155 PETSC_EXTERN PetscErrorCode TSSetUp(TS);
156 PETSC_EXTERN PetscErrorCode TSReset(TS);
157 
158 PETSC_EXTERN PetscErrorCode TSSetSolution(TS,Vec);
159 PETSC_EXTERN PetscErrorCode TSGetSolution(TS,Vec*);
160 
161 PETSC_EXTERN PetscErrorCode TSSetDuration(TS,PetscInt,PetscReal);
162 PETSC_EXTERN PetscErrorCode TSGetDuration(TS,PetscInt*,PetscReal*);
163 PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS,TSExactFinalTimeOption);
164 
165 PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS,PetscInt,PetscReal,Vec,void*);
166 
167 typedef struct _n_TSMonitorDrawCtx*  TSMonitorDrawCtx;
168 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorDrawCtx *);
169 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx*);
170 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS,PetscInt,PetscReal,Vec,void*);
171 PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS,PetscInt,PetscReal,Vec,void*);
172 
173 PETSC_EXTERN PetscErrorCode TSMonitorSolutionBinary(TS,PetscInt,PetscReal,Vec,void*);
174 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS,PetscInt,PetscReal,Vec,void*);
175 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void*);
176 
177 PETSC_EXTERN PetscErrorCode TSStep(TS);
178 PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS,PetscInt,Vec,PetscBool*);
179 PETSC_EXTERN PetscErrorCode TSSolve(TS,Vec);
180 PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS,TSConvergedReason*);
181 PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS,TSConvergedReason);
182 PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS,PetscReal*);
183 PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS,PetscInt*);
184 PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS,PetscInt*);
185 PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS,PetscInt*);
186 PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS,PetscInt);
187 PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS,PetscInt*);
188 PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS,PetscInt);
189 PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS,PetscBool);
190 
191 PETSC_EXTERN PetscErrorCode TSSetInitialTimeStep(TS,PetscReal,PetscReal);
192 PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS,PetscReal*);
193 PETSC_EXTERN PetscErrorCode TSGetTime(TS,PetscReal*);
194 PETSC_EXTERN PetscErrorCode TSSetTime(TS,PetscReal);
195 PETSC_EXTERN PetscErrorCode TSGetTimeStepNumber(TS,PetscInt*);
196 PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS,PetscReal);
197 
198 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
199 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*);
200 PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
201 PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
202 PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
203 PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
204 
205 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS,PetscReal,Vec,void*);
206 PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS,TSSolutionFunction,void*);
207 
208 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
209 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,void*);
210 PETSC_EXTERN PetscErrorCode TSSetIFunction(TS,Vec,TSIFunction,void*);
211 PETSC_EXTERN PetscErrorCode TSGetIFunction(TS,Vec*,TSIFunction*,void**);
212 PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
213 PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);
214 
215 PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
216 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*);
217 PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
218 PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,void*);
219 PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS,PetscReal,Vec);
220 
221 PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
222 PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS,PetscReal));
223 PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
224 PETSC_EXTERN PetscErrorCode TSPreStep(TS);
225 PETSC_EXTERN PetscErrorCode TSPreStage(TS,PetscReal);
226 PETSC_EXTERN PetscErrorCode TSPostStep(TS);
227 PETSC_EXTERN PetscErrorCode TSSetRetainStages(TS,PetscBool);
228 PETSC_EXTERN PetscErrorCode TSInterpolate(TS,PetscReal,Vec);
229 PETSC_EXTERN PetscErrorCode TSSetTolerances(TS,PetscReal,Vec,PetscReal,Vec);
230 PETSC_EXTERN PetscErrorCode TSGetTolerances(TS,PetscReal*,Vec*,PetscReal*,Vec*);
231 PETSC_EXTERN PetscErrorCode TSErrorNormWRMS(TS,Vec,PetscReal*);
232 PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS,PetscReal);
233 PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS,PetscReal*);
234 
235 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
236 PETSC_EXTERN PetscErrorCode TSPseudoDefaultTimeStep(TS,PetscReal*,void*);
237 PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS,PetscReal *);
238 PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS,PetscReal);
239 
240 PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
241 PETSC_EXTERN PetscErrorCode TSPseudoDefaultVerifyTimeStep(TS,Vec,void*,PetscReal*,PetscBool *);
242 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
243 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS,PetscReal);
244 PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);
245 
246 PETSC_EXTERN PetscErrorCode TSPythonSetType(TS,const char[]);
247 
248 PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
249 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*);
250 PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
251 PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,PetscBool);
252 PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS,PetscReal,PetscReal,PetscReal*,PetscReal*);
253 
254 PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS,Vec,Vec);
255 
256 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM,TSRHSFunction,void*);
257 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM,TSRHSFunction*,void**);
258 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM,TSRHSJacobian,void*);
259 PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM,TSRHSJacobian*,void**);
260 PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM,TSIFunction,void*);
261 PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM,TSIFunction*,void**);
262 PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM,TSIJacobian,void*);
263 PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM,TSIJacobian*,void**);
264 PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM,TSSolutionFunction,void*);
265 PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM,TSSolutionFunction*,void**);
266 
267 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*);
268 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,MatStructure*,void*);
269 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*);
270 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,MatStructure*,void*);
271 
272 PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*),void *);
273 PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,MatStructure*,void*),void *);
274 PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*),void *);
275 PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,MatStructure*,void*),void *);
276 
277 /* Dynamic creation and loading functions */
278 PETSC_EXTERN PetscFList TSList;
279 PETSC_EXTERN PetscBool TSRegisterAllCalled;
280 PETSC_EXTERN PetscErrorCode TSGetType(TS,TSType*);
281 PETSC_EXTERN PetscErrorCode TSSetType(TS,TSType);
282 PETSC_EXTERN PetscErrorCode TSRegister(const char[], const char[], const char[], PetscErrorCode (*)(TS));
283 PETSC_EXTERN PetscErrorCode TSRegisterAll(const char[]);
284 PETSC_EXTERN PetscErrorCode TSRegisterDestroy(void);
285 
286 /*MC
287   TSRegisterDynamic - Adds a creation method to the TS package.
288 
289   Synopsis:
290   PetscErrorCode TSRegisterDynamic(const char *name, const char *path, const char *func_name, PetscErrorCode (*create_func)(TS))
291 
292   Not Collective
293 
294   Input Parameters:
295 + name        - The name of a new user-defined creation routine
296 . path        - The path (either absolute or relative) of the library containing this routine
297 . func_name   - The name of the creation routine
298 - create_func - The creation routine itself
299 
300   Notes:
301   TSRegisterDynamic() may be called multiple times to add several user-defined tses.
302 
303   If dynamic libraries are used, then the fourth input argument (create_func) is ignored.
304 
305   Sample usage:
306 .vb
307   TSRegisterDynamic("my_ts", "/home/username/my_lib/lib/libO/solaris/libmy.a", "MyTSCreate", MyTSCreate);
308 .ve
309 
310   Then, your ts type can be chosen with the procedural interface via
311 .vb
312     TS ts;
313     TSCreate(MPI_Comm, &ts);
314     TSSetType(ts, "my_ts")
315 .ve
316   or at runtime via the option
317 .vb
318     -ts_type my_ts
319 .ve
320 
321   Notes: $PETSC_ARCH occuring in pathname will be replaced with appropriate values.
322         If your function is not being put into a shared library then use TSRegister() instead
323 
324   Level: advanced
325 
326 .keywords: TS, register
327 .seealso: TSRegisterAll(), TSRegisterDestroy()
328 M*/
329 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
330 #define TSRegisterDynamic(a,b,c,d) TSRegister(a,b,c,0)
331 #else
332 #define TSRegisterDynamic(a,b,c,d) TSRegister(a,b,c,d)
333 #endif
334 
335 PETSC_EXTERN PetscErrorCode TSGetSNES(TS,SNES*);
336 PETSC_EXTERN PetscErrorCode TSGetKSP(TS,KSP*);
337 
338 PETSC_EXTERN PetscErrorCode TSView(TS,PetscViewer);
339 PETSC_EXTERN PetscErrorCode TSLoad(TS,PetscViewer);
340 
341 #define TS_FILE_CLASSID 1211225
342 
343 PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS,void *);
344 PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS,void *);
345 
346 typedef struct _n_TSMonitorLGCtx*  TSMonitorLGCtx;
347 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtx *);
348 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx*);
349 PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS,PetscInt,PetscReal,Vec,void *);
350 PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS,PetscInt,PetscReal,Vec,void *);
351 PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS,PetscInt,PetscReal,Vec,void *);
352 PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS,PetscInt,PetscReal,Vec,void *);
353 PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS,PetscInt,PetscReal,Vec,void *);
354 
355 typedef struct _n_TSMonitorSPEigCtx*  TSMonitorSPEigCtx;
356 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPEigCtx *);
357 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx*);
358 PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS,PetscInt,PetscReal,Vec,void *);
359 
360 /*J
361    TSSSPType - string with the name of TSSSP scheme.
362 
363    Level: beginner
364 
365 .seealso: TSSSPSetType(), TS
366 J*/
367 typedef const char* TSSSPType;
368 #define TSSSPRKS2  "rks2"
369 #define TSSSPRKS3  "rks3"
370 #define TSSSPRK104 "rk104"
371 
372 PETSC_EXTERN PetscErrorCode TSSSPSetType(TS,TSSSPType);
373 PETSC_EXTERN PetscErrorCode TSSSPGetType(TS,TSSSPType*);
374 PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
375 PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
376 
377 /*S
378    TSAdapt - Abstract object that manages time-step adaptivity
379 
380    Level: beginner
381 
382 .seealso: TS, TSAdaptCreate(), TSAdaptType
383 S*/
384 typedef struct _p_TSAdapt *TSAdapt;
385 
386 /*E
387     TSAdaptType - String with the name of TSAdapt scheme or the creation function
388        with an optional dynamic library name, for example
389        http://www.mcs.anl.gov/petsc/lib.a:mytsgladaptcreate()
390 
391    Level: beginner
392 
393 .seealso: TSAdaptSetType(), TS
394 E*/
395 typedef const char *TSAdaptType;
396 #define TSADAPTBASIC "basic"
397 #define TSADAPTNONE  "none"
398 #define TSADAPTCFL   "cfl"
399 
400 /*MC
401    TSAdaptRegisterDynamic - adds a TSAdapt implementation
402 
403    Synopsis:
404    PetscErrorCode TSAdaptRegisterDynamic(const char *name_scheme,const char *path,const char *name_create,PetscErrorCode (*routine_create)(TS))
405 
406    Not Collective
407 
408    Input Parameters:
409 +  name_scheme - name of user-defined adaptivity scheme
410 .  path - path (either absolute or relative) the library containing this scheme
411 .  name_create - name of routine to create method context
412 -  routine_create - routine to create method context
413 
414    Notes:
415    TSAdaptRegisterDynamic() may be called multiple times to add several user-defined families.
416 
417    If dynamic libraries are used, then the fourth input argument (routine_create)
418    is ignored.
419 
420    Sample usage:
421 .vb
422    TSAdaptRegisterDynamic("my_scheme",/home/username/my_lib/lib/libO/solaris/mylib.a,
423                             "MySchemeCreate",MySchemeCreate);
424 .ve
425 
426    Then, your scheme can be chosen with the procedural interface via
427 $     TSAdaptSetType(ts,"my_scheme")
428    or at runtime via the option
429 $     -ts_adapt_type my_scheme
430 
431    Level: advanced
432 
433    Notes: Environmental variables such as ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR},
434           and others of the form ${any_environmental_variable} occuring in pathname will be
435           replaced with appropriate values.
436 
437 .keywords: TSAdapt, register
438 
439 .seealso: TSAdaptRegisterAll()
440 M*/
441 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
442 #  define TSAdaptRegisterDynamic(a,b,c,d)  TSAdaptRegister(a,b,c,0)
443 #else
444 #  define TSAdaptRegisterDynamic(a,b,c,d)  TSAdaptRegister(a,b,c,d)
445 #endif
446 
447 PETSC_EXTERN PetscErrorCode TSGetAdapt(TS,TSAdapt*);
448 PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[],const char[],const char[],PetscErrorCode (*)(TSAdapt));
449 PETSC_EXTERN PetscErrorCode TSAdaptRegisterAll(const char[]);
450 PETSC_EXTERN PetscErrorCode TSAdaptRegisterDestroy(void);
451 PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(const char[]);
452 PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
453 PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm,TSAdapt*);
454 PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt,TSAdaptType);
455 PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt,const char[]);
456 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
457 PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt,const char[],PetscInt,PetscInt,PetscReal,PetscReal,PetscBool);
458 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt,PetscInt*,const PetscInt**,const PetscInt**,const PetscReal**,const PetscReal**);
459 PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt,TS,PetscReal,PetscInt*,PetscReal*,PetscBool*);
460 PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt,TS,PetscBool*);
461 PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt,PetscViewer);
462 PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(TSAdapt);
463 PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt*);
464 PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt,PetscBool);
465 PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt,PetscReal,PetscReal);
466 PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt,PetscErrorCode(*)(TSAdapt,TS,PetscBool*));
467 
468 /*S
469    TSGLAdapt - Abstract object that manages time-step adaptivity
470 
471    Level: beginner
472 
473    Developer Notes:
474    This functionality should be replaced by the TSAdapt.
475 
476 .seealso: TSGL, TSGLAdaptCreate(), TSGLAdaptType
477 S*/
478 typedef struct _p_TSGLAdapt *TSGLAdapt;
479 
480 /*J
481     TSGLAdaptType - String with the name of TSGLAdapt scheme or the creation function
482        with an optional dynamic library name, for example
483        http://www.mcs.anl.gov/petsc/lib.a:mytsgladaptcreate()
484 
485    Level: beginner
486 
487 .seealso: TSGLAdaptSetType(), TS
488 J*/
489 typedef const char *TSGLAdaptType;
490 #define TSGLADAPT_NONE "none"
491 #define TSGLADAPT_SIZE "size"
492 #define TSGLADAPT_BOTH "both"
493 
494 /*MC
495    TSGLAdaptRegisterDynamic - adds a TSGLAdapt implementation
496 
497    Synopsis:
498    PetscErrorCode TSGLAdaptRegisterDynamic(const char *name_scheme,const char *path,const char *name_create,PetscErrorCode (*routine_create)(TS))
499 
500    Not Collective
501 
502    Input Parameters:
503 +  name_scheme - name of user-defined adaptivity scheme
504 .  path - path (either absolute or relative) the library containing this scheme
505 .  name_create - name of routine to create method context
506 -  routine_create - routine to create method context
507 
508    Notes:
509    TSGLAdaptRegisterDynamic() may be called multiple times to add several user-defined families.
510 
511    If dynamic libraries are used, then the fourth input argument (routine_create)
512    is ignored.
513 
514    Sample usage:
515 .vb
516    TSGLAdaptRegisterDynamic("my_scheme",/home/username/my_lib/lib/libO/solaris/mylib.a,
517                             "MySchemeCreate",MySchemeCreate);
518 .ve
519 
520    Then, your scheme can be chosen with the procedural interface via
521 $     TSGLAdaptSetType(ts,"my_scheme")
522    or at runtime via the option
523 $     -ts_adapt_type my_scheme
524 
525    Level: advanced
526 
527    Notes: Environmental variables such as ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR},
528           and others of the form ${any_environmental_variable} occuring in pathname will be
529           replaced with appropriate values.
530 
531 .keywords: TSGLAdapt, register
532 
533 .seealso: TSGLAdaptRegisterAll()
534 M*/
535 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
536 #  define TSGLAdaptRegisterDynamic(a,b,c,d)  TSGLAdaptRegister(a,b,c,0)
537 #else
538 #  define TSGLAdaptRegisterDynamic(a,b,c,d)  TSGLAdaptRegister(a,b,c,d)
539 #endif
540 
541 PETSC_EXTERN PetscErrorCode TSGLAdaptRegister(const char[],const char[],const char[],PetscErrorCode (*)(TSGLAdapt));
542 PETSC_EXTERN PetscErrorCode TSGLAdaptRegisterAll(const char[]);
543 PETSC_EXTERN PetscErrorCode TSGLAdaptRegisterDestroy(void);
544 PETSC_EXTERN PetscErrorCode TSGLAdaptInitializePackage(const char[]);
545 PETSC_EXTERN PetscErrorCode TSGLAdaptFinalizePackage(void);
546 PETSC_EXTERN PetscErrorCode TSGLAdaptCreate(MPI_Comm,TSGLAdapt*);
547 PETSC_EXTERN PetscErrorCode TSGLAdaptSetType(TSGLAdapt,TSGLAdaptType);
548 PETSC_EXTERN PetscErrorCode TSGLAdaptSetOptionsPrefix(TSGLAdapt,const char[]);
549 PETSC_EXTERN PetscErrorCode TSGLAdaptChoose(TSGLAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
550 PETSC_EXTERN PetscErrorCode TSGLAdaptView(TSGLAdapt,PetscViewer);
551 PETSC_EXTERN PetscErrorCode TSGLAdaptSetFromOptions(TSGLAdapt);
552 PETSC_EXTERN PetscErrorCode TSGLAdaptDestroy(TSGLAdapt*);
553 
554 /*J
555     TSGLAcceptType - String with the name of TSGLAccept scheme or the function
556        with an optional dynamic library name, for example
557        http://www.mcs.anl.gov/petsc/lib.a:mytsglaccept()
558 
559    Level: beginner
560 
561 .seealso: TSGLSetAcceptType(), TS
562 J*/
563 typedef const char *TSGLAcceptType;
564 #define TSGLACCEPT_ALWAYS "always"
565 
566 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
567 PETSC_EXTERN PetscErrorCode TSGLAcceptRegister(const char[],const char[],const char[],TSGLAcceptFunction);
568 
569 /*MC
570    TSGLAcceptRegisterDynamic - adds a TSGL acceptance scheme
571 
572    Synopsis:
573    PetscErrorCode TSGLAcceptRegisterDynamic(const char *name_scheme,const char *path,const char *name_create,PetscErrorCode (*routine_create)(TS))
574 
575    Not Collective
576 
577    Input Parameters:
578 +  name_scheme - name of user-defined acceptance scheme
579 .  path - path (either absolute or relative) the library containing this scheme
580 .  name_create - name of routine to create method context
581 -  routine_create - routine to create method context
582 
583    Notes:
584    TSGLAcceptRegisterDynamic() may be called multiple times to add several user-defined families.
585 
586    If dynamic libraries are used, then the fourth input argument (routine_create)
587    is ignored.
588 
589    Sample usage:
590 .vb
591    TSGLAcceptRegisterDynamic("my_scheme",/home/username/my_lib/lib/libO/solaris/mylib.a,
592                              "MySchemeCreate",MySchemeCreate);
593 .ve
594 
595    Then, your scheme can be chosen with the procedural interface via
596 $     TSGLSetAcceptType(ts,"my_scheme")
597    or at runtime via the option
598 $     -ts_gl_accept_type my_scheme
599 
600    Level: advanced
601 
602    Notes: Environmental variables such as ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR},
603           and others of the form ${any_environmental_variable} occuring in pathname will be
604           replaced with appropriate values.
605 
606 .keywords: TSGL, TSGLAcceptType, register
607 
608 .seealso: TSGLRegisterAll()
609 M*/
610 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
611 #  define TSGLAcceptRegisterDynamic(a,b,c,d) TSGLAcceptRegister(a,b,c,0)
612 #else
613 #  define TSGLAcceptRegisterDynamic(a,b,c,d) TSGLAcceptRegister(a,b,c,d)
614 #endif
615 
616 /*J
617   TSGLType - family of time integration method within the General Linear class
618 
619   Level: beginner
620 
621 .seealso: TSGLSetType(), TSGLRegister()
622 J*/
623 typedef const char* TSGLType;
624 #define TSGL_IRKS   "irks"
625 
626 /*MC
627    TSGLRegisterDynamic - adds a TSGL implementation
628 
629    Synopsis:
630    PetscErrorCode TSGLRegisterDynamic(const char *name_scheme,const char *path,const char *name_create,PetscErrorCode (*routine_create)(TS))
631 
632    Not Collective
633 
634    Input Parameters:
635 +  name_scheme - name of user-defined general linear scheme
636 .  path - path (either absolute or relative) the library containing this scheme
637 .  name_create - name of routine to create method context
638 -  routine_create - routine to create method context
639 
640    Notes:
641    TSGLRegisterDynamic() may be called multiple times to add several user-defined families.
642 
643    If dynamic libraries are used, then the fourth input argument (routine_create)
644    is ignored.
645 
646    Sample usage:
647 .vb
648    TSGLRegisterDynamic("my_scheme",/home/username/my_lib/lib/libO/solaris/mylib.a,
649                        "MySchemeCreate",MySchemeCreate);
650 .ve
651 
652    Then, your scheme can be chosen with the procedural interface via
653 $     TSGLSetType(ts,"my_scheme")
654    or at runtime via the option
655 $     -ts_gl_type my_scheme
656 
657    Level: advanced
658 
659    Notes: Environmental variables such as ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR},
660           and others of the form ${any_environmental_variable} occuring in pathname will be
661           replaced with appropriate values.
662 
663 .keywords: TSGL, register
664 
665 .seealso: TSGLRegisterAll()
666 M*/
667 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
668 #  define TSGLRegisterDynamic(a,b,c,d)       TSGLRegister(a,b,c,0)
669 #else
670 #  define TSGLRegisterDynamic(a,b,c,d)       TSGLRegister(a,b,c,d)
671 #endif
672 
673 PETSC_EXTERN PetscErrorCode TSGLRegister(const char[],const char[],const char[],PetscErrorCode(*)(TS));
674 PETSC_EXTERN PetscErrorCode TSGLRegisterAll(const char[]);
675 PETSC_EXTERN PetscErrorCode TSGLRegisterDestroy(void);
676 PETSC_EXTERN PetscErrorCode TSGLInitializePackage(const char[]);
677 PETSC_EXTERN PetscErrorCode TSGLFinalizePackage(void);
678 PETSC_EXTERN PetscErrorCode TSGLSetType(TS,TSGLType);
679 PETSC_EXTERN PetscErrorCode TSGLGetAdapt(TS,TSGLAdapt*);
680 PETSC_EXTERN PetscErrorCode TSGLSetAcceptType(TS,TSGLAcceptType);
681 
682 /*J
683     TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX method.
684 
685    Level: beginner
686 
687 .seealso: TSARKIMEXSetType(), TS, TSARKIMEX, TSARKIMEXRegister()
688 J*/
689 typedef const char* TSARKIMEXType;
690 #define TSARKIMEXA2     "a2"
691 #define TSARKIMEXL2     "l2"
692 #define TSARKIMEXARS122 "ars122"
693 #define TSARKIMEX2C     "2c"
694 #define TSARKIMEX2D     "2d"
695 #define TSARKIMEX2E     "2e"
696 #define TSARKIMEXPRSSP2 "prssp2"
697 #define TSARKIMEX3      "3"
698 #define TSARKIMEXBPR3   "bpr3"
699 #define TSARKIMEXARS443 "ars443"
700 #define TSARKIMEX4      "4"
701 #define TSARKIMEX5      "5"
702 PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts,TSARKIMEXType*);
703 PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts,TSARKIMEXType);
704 PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
705 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[]);
706 PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
707 PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(const char path[]);
708 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);
709 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterAll(void);
710 
711 /*J
712     TSRosWType - String with the name of a Rosenbrock-W method.
713 
714    Level: beginner
715 
716 .seealso: TSRosWSetType(), TS, TSROSW, TSRosWRegister()
717 J*/
718 typedef const char* TSRosWType;
719 #define TSROSW2M          "2m"
720 #define TSROSW2P          "2p"
721 #define TSROSWRA3PW       "ra3pw"
722 #define TSROSWRA34PW2     "ra34pw2"
723 #define TSROSWRODAS3      "rodas3"
724 #define TSROSWSANDU3      "sandu3"
725 #define TSROSWASSP3P3S1C  "assp3p3s1c"
726 #define TSROSWLASSP3P4S2C "lassp3p4s2c"
727 #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
728 #define TSROSWARK3        "ark3"
729 #define TSROSWTHETA1      "theta1"
730 #define TSROSWTHETA2      "theta2"
731 #define TSROSWGRK4T       "grk4t"
732 #define TSROSWSHAMP4      "shamp4"
733 #define TSROSWVELDD4      "veldd4"
734 #define TSROSW4L          "4l"
735 
736 PETSC_EXTERN PetscErrorCode TSRosWGetType(TS ts,TSRosWType*);
737 PETSC_EXTERN PetscErrorCode TSRosWSetType(TS ts,TSRosWType);
738 PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS,PetscBool);
739 PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
740 PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
741 PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
742 PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(const char path[]);
743 PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);
744 PETSC_EXTERN PetscErrorCode TSRosWRegisterAll(void);
745 
746 /*
747        PETSc interface to Sundials
748 */
749 #ifdef PETSC_HAVE_SUNDIALS
750 typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
751 PETSC_EXTERN const char *const TSSundialsLmmTypes[];
752 typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
753 PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
754 PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS,TSSundialsLmmType);
755 PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS,PC*);
756 PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS,PetscReal,PetscReal);
757 PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS,PetscReal);
758 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS,PetscReal);
759 PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
760 PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
761 PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS,PetscInt);
762 PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS,PetscReal);
763 PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS,PetscBool );
764 PETSC_EXTERN PetscErrorCode TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
765 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS,PetscInt);
766 #endif
767 
768 PETSC_EXTERN PetscErrorCode TSRKSetTolerance(TS,PetscReal);
769 
770 PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS,PetscReal);
771 PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS,PetscReal*);
772 PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS,PetscBool*);
773 PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS,PetscBool);
774 
775 PETSC_EXTERN PetscErrorCode TSAlphaSetAdapt(TS,PetscErrorCode(*)(TS,PetscReal,Vec,Vec,PetscReal*,PetscBool*,void*),void*);
776 PETSC_EXTERN PetscErrorCode TSAlphaAdaptDefault(TS,PetscReal,Vec,Vec,PetscReal*,PetscBool*,void*);
777 PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS,PetscReal);
778 PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
779 PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);
780 
781 PETSC_EXTERN PetscErrorCode TSSetDM(TS,DM);
782 PETSC_EXTERN PetscErrorCode TSGetDM(TS,DM*);
783 
784 PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES,Vec,Vec,void*);
785 PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES,Vec,Mat*,Mat*,MatStructure*,void*);
786 
787 #endif
788