xref: /petsc/include/petscts.h (revision ab824b7887c7ada6d48dfd202a36a066073b50ec)
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 PETSC_EXTERN_CXX_BEGIN
9 
10 /*S
11      TS - Abstract PETSc object that manages all time-steppers (ODE integrators)
12 
13    Level: beginner
14 
15   Concepts: ODE solvers
16 
17 .seealso:  TSCreate(), TSSetType(), TSType, SNES, KSP, PC
18 S*/
19 typedef struct _p_TS* TS;
20 
21 /*J
22     TSType - String with the name of a PETSc TS method or the creation function
23        with an optional dynamic library name, for example
24        http://www.mcs.anl.gov/petsc/lib.a:mytscreate()
25 
26    Level: beginner
27 
28 .seealso: TSSetType(), TS
29 J*/
30 #define TSType char*
31 #define TSEULER           "euler"
32 #define TSBEULER          "beuler"
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 TSGL              "gl"
41 #define TSSSP             "ssp"
42 #define TSARKIMEX         "arkimex"
43 #if defined(PETSC_HAVE_ROSW)
44 #define TSROSW            "rosw"
45 #endif
46 
47 /*E
48     TSProblemType - Determines the type of problem this TS object is to be used to solve
49 
50    Level: beginner
51 
52 .seealso: TSCreate()
53 E*/
54 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType;
55 
56 typedef enum {
57   TS_CONVERGED_ITERATING      = 0,
58   TS_CONVERGED_TIME           = 1,
59   TS_CONVERGED_ITS            = 2,
60   TS_DIVERGED_NONLINEAR_SOLVE = -1,
61   TS_DIVERGED_STEP_REJECTED   = -2
62 } TSConvergedReason;
63 extern const char *const*TSConvergedReasons;
64 
65 /* Logging support */
66 extern PetscClassId  TS_CLASSID;
67 
68 extern PetscErrorCode   TSInitializePackage(const char[]);
69 
70 extern PetscErrorCode   TSCreate(MPI_Comm,TS*);
71 extern PetscErrorCode   TSDestroy(TS*);
72 
73 extern PetscErrorCode   TSSetProblemType(TS,TSProblemType);
74 extern PetscErrorCode   TSGetProblemType(TS,TSProblemType*);
75 extern PetscErrorCode   TSMonitor(TS,PetscInt,PetscReal,Vec);
76 extern PetscErrorCode   TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
77 extern PetscErrorCode   TSMonitorCancel(TS);
78 
79 extern PetscErrorCode   TSSetOptionsPrefix(TS,const char[]);
80 extern PetscErrorCode   TSAppendOptionsPrefix(TS,const char[]);
81 extern PetscErrorCode   TSGetOptionsPrefix(TS,const char *[]);
82 extern PetscErrorCode   TSSetFromOptions(TS);
83 extern PetscErrorCode   TSSetUp(TS);
84 extern PetscErrorCode   TSReset(TS);
85 
86 extern PetscErrorCode   TSSetSolution(TS,Vec);
87 extern PetscErrorCode   TSGetSolution(TS,Vec*);
88 
89 extern PetscErrorCode   TSSetDuration(TS,PetscInt,PetscReal);
90 extern PetscErrorCode   TSGetDuration(TS,PetscInt*,PetscReal*);
91 extern PetscErrorCode   TSSetExactFinalTime(TS,PetscBool);
92 
93 extern PetscErrorCode   TSMonitorDefault(TS,PetscInt,PetscReal,Vec,void*);
94 extern PetscErrorCode   TSMonitorSolution(TS,PetscInt,PetscReal,Vec,void*);
95 extern PetscErrorCode   TSMonitorSolutionCreate(TS,PetscViewer,void**);
96 extern PetscErrorCode   TSMonitorSolutionDestroy(void**);
97 extern PetscErrorCode   TSMonitorSolutionBinary(TS,PetscInt,PetscReal,Vec,void*);
98 
99 extern PetscErrorCode   TSStep(TS);
100 extern PetscErrorCode   TSSolve(TS,Vec,PetscReal*);
101 extern PetscErrorCode   TSGetConvergedReason(TS,TSConvergedReason*);
102 extern PetscErrorCode   TSGetNonlinearSolveIterations(TS,PetscInt*);
103 extern PetscErrorCode   TSGetLinearSolveIterations(TS,PetscInt*);
104 
105 extern PetscErrorCode   TSSetInitialTimeStep(TS,PetscReal,PetscReal);
106 extern PetscErrorCode   TSGetTimeStep(TS,PetscReal*);
107 extern PetscErrorCode   TSGetTime(TS,PetscReal*);
108 extern PetscErrorCode   TSSetTime(TS,PetscReal);
109 extern PetscErrorCode   TSGetTimeStepNumber(TS,PetscInt*);
110 extern PetscErrorCode   TSSetTimeStep(TS,PetscReal);
111 
112 typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
113 typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*);
114 extern PetscErrorCode   TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
115 extern PetscErrorCode   TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
116 extern PetscErrorCode   TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
117 extern PetscErrorCode   TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
118 
119 typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
120 typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,void*);
121 extern PetscErrorCode   TSSetIFunction(TS,Vec,TSIFunction,void*);
122 extern PetscErrorCode   TSGetIFunction(TS,Vec*,TSIFunction*,void**);
123 extern PetscErrorCode   TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
124 extern PetscErrorCode   TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);
125 
126 extern PetscErrorCode   TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
127 extern PetscErrorCode   TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*);
128 extern PetscErrorCode   TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
129 extern PetscErrorCode   TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,void*);
130 extern PetscErrorCode   TSDefaultComputeJacobianColor(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*);
131 extern PetscErrorCode   TSDefaultComputeJacobian(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*);
132 
133 extern PetscErrorCode   TSSetPreStep(TS, PetscErrorCode (*)(TS));
134 extern PetscErrorCode   TSSetPostStep(TS, PetscErrorCode (*)(TS));
135 extern PetscErrorCode   TSPreStep(TS);
136 extern PetscErrorCode   TSPostStep(TS);
137 extern PetscErrorCode   TSSetRetainStages(TS,PetscBool);
138 extern PetscErrorCode   TSInterpolate(TS,PetscReal,Vec);
139 
140 extern PetscErrorCode   TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
141 extern PetscErrorCode   TSPseudoDefaultTimeStep(TS,PetscReal*,void*);
142 extern PetscErrorCode   TSPseudoComputeTimeStep(TS,PetscReal *);
143 extern PetscErrorCode   TSPseudoSetMaxTimeStep(TS,PetscReal);
144 
145 extern PetscErrorCode   TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
146 extern PetscErrorCode   TSPseudoDefaultVerifyTimeStep(TS,Vec,void*,PetscReal*,PetscBool *);
147 extern PetscErrorCode   TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
148 extern PetscErrorCode   TSPseudoSetTimeStepIncrement(TS,PetscReal);
149 extern PetscErrorCode   TSPseudoIncrementDtFromInitialDt(TS);
150 
151 extern PetscErrorCode   TSPythonSetType(TS,const char[]);
152 
153 extern PetscErrorCode   TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
154 extern PetscErrorCode   TSComputeRHSJacobian(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*);
155 extern PetscErrorCode   TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
156 extern PetscErrorCode   TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,PetscBool);
157 
158 extern PetscErrorCode   TSVISetVariableBounds(TS,Vec,Vec);
159 
160 /* Dynamic creation and loading functions */
161 extern PetscFList TSList;
162 extern PetscBool  TSRegisterAllCalled;
163 extern PetscErrorCode   TSGetType(TS,const TSType*);
164 extern PetscErrorCode   TSSetType(TS,const TSType);
165 extern PetscErrorCode   TSRegister(const char[], const char[], const char[], PetscErrorCode (*)(TS));
166 extern PetscErrorCode   TSRegisterAll(const char[]);
167 extern PetscErrorCode   TSRegisterDestroy(void);
168 
169 /*MC
170   TSRegisterDynamic - Adds a creation method to the TS package.
171 
172   Synopsis:
173   PetscErrorCode TSRegisterDynamic(const char *name, const char *path, const char *func_name, PetscErrorCode (*create_func)(TS))
174 
175   Not Collective
176 
177   Input Parameters:
178 + name        - The name of a new user-defined creation routine
179 . path        - The path (either absolute or relative) of the library containing this routine
180 . func_name   - The name of the creation routine
181 - create_func - The creation routine itself
182 
183   Notes:
184   TSRegisterDynamic() may be called multiple times to add several user-defined tses.
185 
186   If dynamic libraries are used, then the fourth input argument (create_func) is ignored.
187 
188   Sample usage:
189 .vb
190   TSRegisterDynamic("my_ts", "/home/username/my_lib/lib/libO/solaris/libmy.a", "MyTSCreate", MyTSCreate);
191 .ve
192 
193   Then, your ts type can be chosen with the procedural interface via
194 .vb
195     TS ts;
196     TSCreate(MPI_Comm, &ts);
197     TSSetType(ts, "my_ts")
198 .ve
199   or at runtime via the option
200 .vb
201     -ts_type my_ts
202 .ve
203 
204   Notes: $PETSC_ARCH occuring in pathname will be replaced with appropriate values.
205         If your function is not being put into a shared library then use TSRegister() instead
206 
207   Level: advanced
208 
209 .keywords: TS, register
210 .seealso: TSRegisterAll(), TSRegisterDestroy()
211 M*/
212 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
213 #define TSRegisterDynamic(a,b,c,d) TSRegister(a,b,c,0)
214 #else
215 #define TSRegisterDynamic(a,b,c,d) TSRegister(a,b,c,d)
216 #endif
217 
218 extern PetscErrorCode   TSGetSNES(TS,SNES*);
219 extern PetscErrorCode   TSGetKSP(TS,KSP*);
220 
221 extern PetscErrorCode   TSView(TS,PetscViewer);
222 
223 extern PetscErrorCode   TSSetApplicationContext(TS,void *);
224 extern PetscErrorCode   TSGetApplicationContext(TS,void *);
225 
226 extern PetscErrorCode   TSMonitorLGCreate(const char[],const char[],int,int,int,int,PetscDrawLG *);
227 extern PetscErrorCode   TSMonitorLG(TS,PetscInt,PetscReal,Vec,void *);
228 extern PetscErrorCode   TSMonitorLGDestroy(PetscDrawLG*);
229 
230 /*J
231    TSSSPType - string with the name of TSSSP scheme.
232 
233    Level: beginner
234 
235 .seealso: TSSSPSetType(), TS
236 J*/
237 #define TSSSPType char*
238 #define TSSSPRKS2  "rks2"
239 #define TSSSPRKS3  "rks3"
240 #define TSSSPRK104 "rk104"
241 
242 extern PetscErrorCode TSSSPSetType(TS,const TSSSPType);
243 extern PetscErrorCode TSSSPGetType(TS,const TSSSPType*);
244 extern PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
245 extern PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
246 
247 /*S
248    TSGLAdapt - Abstract object that manages time-step adaptivity
249 
250    Level: beginner
251 
252 .seealso: TSGL, TSGLAdaptCreate(), TSGLAdaptType
253 S*/
254 typedef struct _p_TSGLAdapt *TSGLAdapt;
255 
256 /*J
257     TSGLAdaptType - String with the name of TSGLAdapt scheme or the creation function
258        with an optional dynamic library name, for example
259        http://www.mcs.anl.gov/petsc/lib.a:mytsgladaptcreate()
260 
261    Level: beginner
262 
263 .seealso: TSGLAdaptSetType(), TS
264 J*/
265 #define TSGLAdaptType  char*
266 #define TSGLADAPT_NONE "none"
267 #define TSGLADAPT_SIZE "size"
268 #define TSGLADAPT_BOTH "both"
269 
270 /*MC
271    TSGLAdaptRegisterDynamic - adds a TSGLAdapt implementation
272 
273    Synopsis:
274    PetscErrorCode TSGLAdaptRegisterDynamic(const char *name_scheme,const char *path,const char *name_create,PetscErrorCode (*routine_create)(TS))
275 
276    Not Collective
277 
278    Input Parameters:
279 +  name_scheme - name of user-defined adaptivity scheme
280 .  path - path (either absolute or relative) the library containing this scheme
281 .  name_create - name of routine to create method context
282 -  routine_create - routine to create method context
283 
284    Notes:
285    TSGLAdaptRegisterDynamic() may be called multiple times to add several user-defined families.
286 
287    If dynamic libraries are used, then the fourth input argument (routine_create)
288    is ignored.
289 
290    Sample usage:
291 .vb
292    TSGLAdaptRegisterDynamic("my_scheme",/home/username/my_lib/lib/libO/solaris/mylib.a,
293                             "MySchemeCreate",MySchemeCreate);
294 .ve
295 
296    Then, your scheme can be chosen with the procedural interface via
297 $     TSGLAdaptSetType(ts,"my_scheme")
298    or at runtime via the option
299 $     -ts_adapt_type my_scheme
300 
301    Level: advanced
302 
303    Notes: Environmental variables such as ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR},
304           and others of the form ${any_environmental_variable} occuring in pathname will be
305           replaced with appropriate values.
306 
307 .keywords: TSGLAdapt, register
308 
309 .seealso: TSGLAdaptRegisterAll()
310 M*/
311 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
312 #  define TSGLAdaptRegisterDynamic(a,b,c,d)  TSGLAdaptRegister(a,b,c,0)
313 #else
314 #  define TSGLAdaptRegisterDynamic(a,b,c,d)  TSGLAdaptRegister(a,b,c,d)
315 #endif
316 
317 extern PetscErrorCode  TSGLAdaptRegister(const char[],const char[],const char[],PetscErrorCode (*)(TSGLAdapt));
318 extern PetscErrorCode  TSGLAdaptRegisterAll(const char[]);
319 extern PetscErrorCode  TSGLAdaptRegisterDestroy(void);
320 extern PetscErrorCode  TSGLAdaptInitializePackage(const char[]);
321 extern PetscErrorCode  TSGLAdaptFinalizePackage(void);
322 extern PetscErrorCode  TSGLAdaptCreate(MPI_Comm,TSGLAdapt*);
323 extern PetscErrorCode  TSGLAdaptSetType(TSGLAdapt,const TSGLAdaptType);
324 extern PetscErrorCode  TSGLAdaptSetOptionsPrefix(TSGLAdapt,const char[]);
325 extern PetscErrorCode  TSGLAdaptChoose(TSGLAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
326 extern PetscErrorCode  TSGLAdaptView(TSGLAdapt,PetscViewer);
327 extern PetscErrorCode  TSGLAdaptSetFromOptions(TSGLAdapt);
328 extern PetscErrorCode  TSGLAdaptDestroy(TSGLAdapt*);
329 
330 /*J
331     TSGLAcceptType - String with the name of TSGLAccept scheme or the function
332        with an optional dynamic library name, for example
333        http://www.mcs.anl.gov/petsc/lib.a:mytsglaccept()
334 
335    Level: beginner
336 
337 .seealso: TSGLSetAcceptType(), TS
338 J*/
339 #define TSGLAcceptType  char*
340 #define TSGLACCEPT_ALWAYS "always"
341 
342 typedef PetscErrorCode (*TSGLAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
343 extern PetscErrorCode  TSGLAcceptRegister(const char[],const char[],const char[],TSGLAcceptFunction);
344 
345 /*MC
346    TSGLAcceptRegisterDynamic - adds a TSGL acceptance scheme
347 
348    Synopsis:
349    PetscErrorCode TSGLAcceptRegisterDynamic(const char *name_scheme,const char *path,const char *name_create,PetscErrorCode (*routine_create)(TS))
350 
351    Not Collective
352 
353    Input Parameters:
354 +  name_scheme - name of user-defined acceptance scheme
355 .  path - path (either absolute or relative) the library containing this scheme
356 .  name_create - name of routine to create method context
357 -  routine_create - routine to create method context
358 
359    Notes:
360    TSGLAcceptRegisterDynamic() may be called multiple times to add several user-defined families.
361 
362    If dynamic libraries are used, then the fourth input argument (routine_create)
363    is ignored.
364 
365    Sample usage:
366 .vb
367    TSGLAcceptRegisterDynamic("my_scheme",/home/username/my_lib/lib/libO/solaris/mylib.a,
368                              "MySchemeCreate",MySchemeCreate);
369 .ve
370 
371    Then, your scheme can be chosen with the procedural interface via
372 $     TSGLSetAcceptType(ts,"my_scheme")
373    or at runtime via the option
374 $     -ts_gl_accept_type my_scheme
375 
376    Level: advanced
377 
378    Notes: Environmental variables such as ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR},
379           and others of the form ${any_environmental_variable} occuring in pathname will be
380           replaced with appropriate values.
381 
382 .keywords: TSGL, TSGLAcceptType, register
383 
384 .seealso: TSGLRegisterAll()
385 M*/
386 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
387 #  define TSGLAcceptRegisterDynamic(a,b,c,d) TSGLAcceptRegister(a,b,c,0)
388 #else
389 #  define TSGLAcceptRegisterDynamic(a,b,c,d) TSGLAcceptRegister(a,b,c,d)
390 #endif
391 
392 /*J
393   TSGLType - family of time integration method within the General Linear class
394 
395   Level: beginner
396 
397 .seealso: TSGLSetType(), TSGLRegister()
398 J*/
399 #define TSGLType char*
400 #define TSGL_IRKS   "irks"
401 
402 /*MC
403    TSGLRegisterDynamic - adds a TSGL implementation
404 
405    Synopsis:
406    PetscErrorCode TSGLRegisterDynamic(const char *name_scheme,const char *path,const char *name_create,PetscErrorCode (*routine_create)(TS))
407 
408    Not Collective
409 
410    Input Parameters:
411 +  name_scheme - name of user-defined general linear scheme
412 .  path - path (either absolute or relative) the library containing this scheme
413 .  name_create - name of routine to create method context
414 -  routine_create - routine to create method context
415 
416    Notes:
417    TSGLRegisterDynamic() may be called multiple times to add several user-defined families.
418 
419    If dynamic libraries are used, then the fourth input argument (routine_create)
420    is ignored.
421 
422    Sample usage:
423 .vb
424    TSGLRegisterDynamic("my_scheme",/home/username/my_lib/lib/libO/solaris/mylib.a,
425                        "MySchemeCreate",MySchemeCreate);
426 .ve
427 
428    Then, your scheme can be chosen with the procedural interface via
429 $     TSGLSetType(ts,"my_scheme")
430    or at runtime via the option
431 $     -ts_gl_type my_scheme
432 
433    Level: advanced
434 
435    Notes: Environmental variables such as ${PETSC_ARCH}, ${PETSC_DIR}, ${PETSC_LIB_DIR},
436           and others of the form ${any_environmental_variable} occuring in pathname will be
437           replaced with appropriate values.
438 
439 .keywords: TSGL, register
440 
441 .seealso: TSGLRegisterAll()
442 M*/
443 #if defined(PETSC_USE_DYNAMIC_LIBRARIES)
444 #  define TSGLRegisterDynamic(a,b,c,d)       TSGLRegister(a,b,c,0)
445 #else
446 #  define TSGLRegisterDynamic(a,b,c,d)       TSGLRegister(a,b,c,d)
447 #endif
448 
449 extern PetscErrorCode  TSGLRegister(const char[],const char[],const char[],PetscErrorCode(*)(TS));
450 extern PetscErrorCode  TSGLRegisterAll(const char[]);
451 extern PetscErrorCode  TSGLRegisterDestroy(void);
452 extern PetscErrorCode  TSGLInitializePackage(const char[]);
453 extern PetscErrorCode  TSGLFinalizePackage(void);
454 extern PetscErrorCode  TSGLSetType(TS,const TSGLType);
455 extern PetscErrorCode  TSGLGetAdapt(TS,TSGLAdapt*);
456 extern PetscErrorCode  TSGLSetAcceptType(TS,const TSGLAcceptType);
457 
458 #define TSARKIMEXType char*
459 #define TSARKIMEX2D "2d"
460 #define TSARKIMEX2E "2e"
461 #define TSARKIMEX3  "3"
462 #define TSARKIMEX4  "4"
463 #define TSARKIMEX5  "5"
464 extern PetscErrorCode TSARKIMEXGetType(TS ts,const TSARKIMEXType*);
465 extern PetscErrorCode TSARKIMEXSetType(TS ts,const TSARKIMEXType);
466 extern PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
467 extern PetscErrorCode TSARKIMEXRegister(const TSARKIMEXType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[],const PetscReal[]);
468 extern PetscErrorCode TSARKIMEXFinalizePackage(void);
469 extern PetscErrorCode TSARKIMEXInitializePackage(const char path[]);
470 extern PetscErrorCode TSARKIMEXRegisterDestroy(void);
471 extern PetscErrorCode TSARKIMEXRegisterAll(void);
472 
473 #if defined(PETSC_HAVE_ROSW)
474 #define TSRosWType char*
475 #define TSROSW2D "2d"
476 #define TSROSW2E "2e"
477 #define TSROSW3  "3"
478 #define TSROSW4  "4"
479 #define TSROSW5  "5"
480 extern PetscErrorCode TSRosWGetType(TS ts,const TSRosWType*);
481 extern PetscErrorCode TSRosWSetType(TS ts,const TSRosWType);
482 extern PetscErrorCode TSRosWSetFullyImplicit(TS,PetscBool);
483 extern PetscErrorCode TSRosWRegister(const TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[],const PetscReal[]);
484 extern PetscErrorCode TSRosWFinalizePackage(void);
485 extern PetscErrorCode TSRosWInitializePackage(const char path[]);
486 extern PetscErrorCode TSRosWRegisterDestroy(void);
487 extern PetscErrorCode TSRosWRegisterAll(void);
488 #endif
489 
490 /*
491        PETSc interface to Sundials
492 */
493 #ifdef PETSC_HAVE_SUNDIALS
494 typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
495 extern const char *TSSundialsLmmTypes[];
496 typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
497 extern const char *TSSundialsGramSchmidtTypes[];
498 extern PetscErrorCode   TSSundialsSetType(TS,TSSundialsLmmType);
499 extern PetscErrorCode   TSSundialsGetPC(TS,PC*);
500 extern PetscErrorCode   TSSundialsSetTolerance(TS,PetscReal,PetscReal);
501 extern PetscErrorCode   TSSundialsSetMinTimeStep(TS,PetscReal);
502 extern PetscErrorCode   TSSundialsSetMaxTimeStep(TS,PetscReal);
503 extern PetscErrorCode   TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
504 extern PetscErrorCode   TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
505 extern PetscErrorCode   TSSundialsSetGMRESRestart(TS,PetscInt);
506 extern PetscErrorCode   TSSundialsSetLinearTolerance(TS,PetscReal);
507 extern PetscErrorCode   TSSundialsMonitorInternalSteps(TS,PetscBool );
508 extern PetscErrorCode   TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
509 extern PetscErrorCode   TSSundialsSetMaxl(TS,PetscInt);
510 #endif
511 
512 extern PetscErrorCode   TSRKSetTolerance(TS,PetscReal);
513 
514 extern PetscErrorCode  TSThetaSetTheta(TS,PetscReal);
515 extern PetscErrorCode  TSThetaGetTheta(TS,PetscReal*);
516 extern PetscErrorCode  TSThetaGetEndpoint(TS,PetscBool*);
517 extern PetscErrorCode  TSThetaSetEndpoint(TS,PetscBool);
518 
519 extern PetscErrorCode  TSAlphaSetAdapt(TS,PetscErrorCode(*)(TS,PetscReal,Vec,Vec,PetscReal*,PetscBool*,void*),void*);
520 extern PetscErrorCode  TSAlphaAdaptDefault(TS,PetscReal,Vec,Vec,PetscReal*,PetscBool*,void*);
521 extern PetscErrorCode  TSAlphaSetRadius(TS,PetscReal);
522 extern PetscErrorCode  TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
523 extern PetscErrorCode  TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);
524 
525 extern PetscErrorCode  TSSetDM(TS,DM);
526 extern PetscErrorCode  TSGetDM(TS,DM*);
527 
528 extern PetscErrorCode  SNESTSFormFunction(SNES,Vec,Vec,void*);
529 extern PetscErrorCode  SNESTSFormJacobian(SNES,Vec,Mat*,Mat*,MatStructure*,void*);
530 
531 PETSC_EXTERN_CXX_END
532 #endif
533