xref: /petsc/include/petscts.h (revision 80666b62b81460a8d92a278523a72915d00b0902)
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 /*E
43     TSProblemType - Determines the type of problem this TS object is to be used to solve
44 
45    Level: beginner
46 
47 .seealso: TSCreate()
48 E*/
49 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType;
50 
51 /*E
52    TSEquationType - type of TS problem that is solved
53 
54    Level: beginner
55 
56    Developer Notes: this must match finclude/petscts.h
57 
58    Supported types are:
59      TS_EQ_UNSPECIFIED (default)
60      TS_EQ_EXPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) := M(t) U_t - G(U,t) = 0
61      TS_EQ_IMPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) = 0
62 
63 .seealso: TSGetEquationType(), TSSetEquationType()
64 E*/
65 typedef enum {
66   TS_EQ_UNSPECIFIED               = -1,
67   TS_EQ_EXPLICIT                  = 0,
68   TS_EQ_ODE_EXPLICIT              = 1,
69   TS_EQ_DAE_SEMI_EXPLICIT_INDEX1  = 100,
70   TS_EQ_DAE_SEMI_EXPLICIT_INDEX2  = 200,
71   TS_EQ_DAE_SEMI_EXPLICIT_INDEX3  = 300,
72   TS_EQ_DAE_SEMI_EXPLICIT_INDEXHI = 500,
73   TS_EQ_IMPLICIT                  = 1000,
74   TS_EQ_ODE_IMPLICIT              = 1001,
75   TS_EQ_DAE_IMPLICIT_INDEX1       = 1100,
76   TS_EQ_DAE_IMPLICIT_INDEX2       = 1200,
77   TS_EQ_DAE_IMPLICIT_INDEX3       = 1300,
78   TS_EQ_DAE_IMPLICIT_INDEXHI      = 1500
79 } TSEquationType;
80 PETSC_EXTERN const char *const*TSEquationTypes;
81 
82 /*E
83    TSConvergedReason - reason a TS method has converged or not
84 
85    Level: beginner
86 
87    Developer Notes: this must match finclude/petscts.h
88 
89    Each reason has its own manual page.
90 
91 .seealso: TSGetConvergedReason()
92 E*/
93 typedef enum {
94   TS_CONVERGED_ITERATING      = 0,
95   TS_CONVERGED_TIME           = 1,
96   TS_CONVERGED_ITS            = 2,
97   TS_CONVERGED_USER           = 3,
98   TS_DIVERGED_NONLINEAR_SOLVE = -1,
99   TS_DIVERGED_STEP_REJECTED   = -2
100 } TSConvergedReason;
101 PETSC_EXTERN const char *const*TSConvergedReasons;
102 /*MC
103    TS_CONVERGED_ITERATING - this only occurs if TSGetConvergedReason() is called during the TSSolve()
104 
105    Level: beginner
106 
107 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
108 M*/
109 
110 /*MC
111    TS_CONVERGED_TIME - the final time was reached
112 
113    Level: beginner
114 
115 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetDuration(), TSGetSolveTime()
116 M*/
117 
118 /*MC
119    TS_CONVERGED_ITS - the maximum number of iterations was reached prior to the final time
120 
121    Level: beginner
122 
123 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetDuration()
124 M*/
125 /*MC
126    TS_CONVERGED_USER - user requested termination
127 
128    Level: beginner
129 
130 .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TSSetDuration()
131 M*/
132 
133 /*MC
134    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed
135 
136    Level: beginner
137 
138 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSGetSNES(), SNESGetConvergedReason()
139 M*/
140 
141 /*MC
142    TS_DIVERGED_STEP_REJECTED - too many steps were rejected
143 
144    Level: beginner
145 
146 .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
147 M*/
148 
149 /*E
150    TSExactFinalTimeOption - option for handling of final time step
151 
152    Level: beginner
153 
154    Developer Notes: this must match finclude/petscts.h
155 
156 $  TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
157 $  TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
158 $  TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time
159 .seealso: TSGetConvergedReason(), TSSetExactFinalTime()
160 
161 E*/
162 typedef enum {TS_EXACTFINALTIME_STEPOVER=0,TS_EXACTFINALTIME_INTERPOLATE=1,TS_EXACTFINALTIME_MATCHSTEP=2} TSExactFinalTimeOption;
163 PETSC_EXTERN const char *const TSExactFinalTimeOptions[];
164 
165 
166 /* Logging support */
167 PETSC_EXTERN PetscClassId TS_CLASSID;
168 PETSC_EXTERN PetscClassId DMTS_CLASSID;
169 
170 PETSC_EXTERN PetscErrorCode TSInitializePackage(void);
171 
172 PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm,TS*);
173 PETSC_EXTERN PetscErrorCode TSDestroy(TS*);
174 
175 PETSC_EXTERN PetscErrorCode TSSetProblemType(TS,TSProblemType);
176 PETSC_EXTERN PetscErrorCode TSGetProblemType(TS,TSProblemType*);
177 PETSC_EXTERN PetscErrorCode TSMonitor(TS,PetscInt,PetscReal,Vec);
178 PETSC_EXTERN PetscErrorCode TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
179 PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);
180 
181 PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS,const char[]);
182 PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS,const char[]);
183 PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS,const char *[]);
184 PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
185 PETSC_EXTERN PetscErrorCode TSSetUp(TS);
186 PETSC_EXTERN PetscErrorCode TSReset(TS);
187 
188 PETSC_EXTERN PetscErrorCode TSSetSolution(TS,Vec);
189 PETSC_EXTERN PetscErrorCode TSGetSolution(TS,Vec*);
190 
191 PETSC_EXTERN PetscErrorCode TSSetDuration(TS,PetscInt,PetscReal);
192 PETSC_EXTERN PetscErrorCode TSGetDuration(TS,PetscInt*,PetscReal*);
193 PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS,TSExactFinalTimeOption);
194 
195 PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS,PetscInt,PetscReal,Vec,void*);
196 
197 typedef struct _n_TSMonitorDrawCtx*  TSMonitorDrawCtx;
198 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorDrawCtx *);
199 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx*);
200 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS,PetscInt,PetscReal,Vec,void*);
201 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionPhase(TS,PetscInt,PetscReal,Vec,void*);
202 PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS,PetscInt,PetscReal,Vec,void*);
203 
204 PETSC_EXTERN PetscErrorCode TSMonitorSolutionBinary(TS,PetscInt,PetscReal,Vec,void*);
205 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS,PetscInt,PetscReal,Vec,void*);
206 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void*);
207 
208 PETSC_EXTERN PetscErrorCode TSStep(TS);
209 PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS,PetscInt,Vec,PetscBool*);
210 PETSC_EXTERN PetscErrorCode TSSolve(TS,Vec);
211 PETSC_EXTERN PetscErrorCode TSGetEquationType(TS,TSEquationType*);
212 PETSC_EXTERN PetscErrorCode TSSetEquationType(TS,TSEquationType);
213 PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS,TSConvergedReason*);
214 PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS,TSConvergedReason);
215 PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS,PetscReal*);
216 PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS,PetscInt*);
217 PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS,PetscInt*);
218 PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS,PetscInt*);
219 PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS,PetscInt);
220 PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS,PetscInt*);
221 PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS,PetscInt);
222 PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS,PetscBool);
223 
224 PETSC_EXTERN PetscErrorCode TSSetInitialTimeStep(TS,PetscReal,PetscReal);
225 PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS,PetscReal*);
226 PETSC_EXTERN PetscErrorCode TSGetTime(TS,PetscReal*);
227 PETSC_EXTERN PetscErrorCode TSSetTime(TS,PetscReal);
228 PETSC_EXTERN PetscErrorCode TSGetTimeStepNumber(TS,PetscInt*);
229 PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS,PetscReal);
230 
231 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
232 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*);
233 PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
234 PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
235 PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
236 PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
237 PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS,PetscBool);
238 
239 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS,PetscReal,Vec,void*);
240 PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS,TSSolutionFunction,void*);
241 PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS,PetscErrorCode (*TSForcingFunction)(TS,PetscReal,Vec,void*),void*);
242 
243 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
244 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,void*);
245 PETSC_EXTERN PetscErrorCode TSSetIFunction(TS,Vec,TSIFunction,void*);
246 PETSC_EXTERN PetscErrorCode TSGetIFunction(TS,Vec*,TSIFunction*,void**);
247 PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
248 PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);
249 
250 PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
251 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*);
252 PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
253 PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,void*);
254 PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS,PetscReal,Vec);
255 PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS,PetscReal,Vec);
256 
257 PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
258 PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS,PetscReal));
259 PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS,PetscReal,PetscInt,Vec*));
260 PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
261 PETSC_EXTERN PetscErrorCode TSPreStep(TS);
262 PETSC_EXTERN PetscErrorCode TSPreStage(TS,PetscReal);
263 PETSC_EXTERN PetscErrorCode TSPostStage(TS,PetscReal,PetscInt,Vec*);
264 PETSC_EXTERN PetscErrorCode TSPostStep(TS);
265 PETSC_EXTERN PetscErrorCode TSSetRetainStages(TS,PetscBool);
266 PETSC_EXTERN PetscErrorCode TSInterpolate(TS,PetscReal,Vec);
267 PETSC_EXTERN PetscErrorCode TSSetTolerances(TS,PetscReal,Vec,PetscReal,Vec);
268 PETSC_EXTERN PetscErrorCode TSGetTolerances(TS,PetscReal*,Vec*,PetscReal*,Vec*);
269 PETSC_EXTERN PetscErrorCode TSErrorNormWRMS(TS,Vec,PetscReal*);
270 PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS,PetscReal);
271 PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS,PetscReal*);
272 
273 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
274 PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS,PetscReal*,void*);
275 PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS,PetscReal *);
276 PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS,PetscReal);
277 
278 PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
279 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS,Vec,void*,PetscReal*,PetscBool *);
280 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
281 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS,PetscReal);
282 PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);
283 
284 PETSC_EXTERN PetscErrorCode TSPythonSetType(TS,const char[]);
285 
286 PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
287 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*);
288 PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
289 PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat*,Mat*,MatStructure*,PetscBool);
290 PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS,PetscReal,PetscReal,PetscReal*,PetscReal*);
291 
292 PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS,Vec,Vec);
293 
294 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM,TSRHSFunction,void*);
295 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM,TSRHSFunction*,void**);
296 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM,TSRHSJacobian,void*);
297 PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM,TSRHSJacobian*,void**);
298 PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM,TSIFunction,void*);
299 PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM,TSIFunction*,void**);
300 PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM,TSIJacobian,void*);
301 PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM,TSIJacobian*,void**);
302 PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM,TSSolutionFunction,void*);
303 PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM,TSSolutionFunction*,void**);
304 PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM,PetscErrorCode (*TSForcingFunction)(TS,PetscReal,Vec,void*),void*);
305 PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM,PetscErrorCode (**TSForcingFunction)(TS,PetscReal,Vec,void*),void**);
306 
307 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
308 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
309 
310 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*);
311 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,MatStructure*,void*);
312 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*);
313 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,MatStructure*,void*);
314 
315 PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*),void *);
316 PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,MatStructure*,void*),void *);
317 PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*),void *);
318 PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,MatStructure*,void*),void *);
319 
320 typedef struct _n_TSMonitorLGCtx*  TSMonitorLGCtx;
321 typedef struct {
322   Vec            ray;
323   VecScatter     scatter;
324   PetscViewer    viewer;
325   TSMonitorLGCtx lgctx;
326 } TSMonitorDMDARayCtx;
327 PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void**);
328 PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS,PetscInt,PetscReal,Vec,void*);
329 PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS,PetscInt,PetscReal,Vec,void*);
330 
331 
332 /* Dynamic creation and loading functions */
333 PETSC_EXTERN PetscFunctionList TSList;
334 PETSC_EXTERN PetscBool         TSRegisterAllCalled;
335 PETSC_EXTERN PetscErrorCode TSGetType(TS,TSType*);
336 PETSC_EXTERN PetscErrorCode TSSetType(TS,TSType);
337 PETSC_EXTERN PetscErrorCode TSRegister(const char[], PetscErrorCode (*)(TS));
338 PETSC_EXTERN PetscErrorCode TSRegisterAll(void);
339 
340 PETSC_EXTERN PetscErrorCode TSGetSNES(TS,SNES*);
341 PETSC_EXTERN PetscErrorCode TSSetSNES(TS,SNES);
342 PETSC_EXTERN PetscErrorCode TSGetKSP(TS,KSP*);
343 
344 PETSC_EXTERN PetscErrorCode TSView(TS,PetscViewer);
345 PETSC_EXTERN PetscErrorCode TSLoad(TS,PetscViewer);
346 
347 #define TS_FILE_CLASSID 1211225
348 
349 PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS,void *);
350 PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS,void *);
351 
352 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtx *);
353 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx*);
354 PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS,PetscInt,PetscReal,Vec,void *);
355 PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS,PetscInt,PetscReal,Vec,void *);
356 PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS,const char * const*);
357 PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS,const char * const*);
358 PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS,PetscErrorCode (*)(void*,Vec,Vec),void*);
359 PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS,PetscInt,PetscReal,Vec,void *);
360 PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS,PetscInt,PetscReal,Vec,void *);
361 PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS,PetscInt,PetscReal,Vec,void *);
362 
363 typedef struct _n_TSMonitorSPEigCtx*  TSMonitorSPEigCtx;
364 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPEigCtx *);
365 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx*);
366 PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS,PetscInt,PetscReal,Vec,void *);
367 
368 /*J
369    TSSSPType - string with the name of TSSSP scheme.
370 
371    Level: beginner
372 
373 .seealso: TSSSPSetType(), TS
374 J*/
375 typedef const char* TSSSPType;
376 #define TSSSPRKS2  "rks2"
377 #define TSSSPRKS3  "rks3"
378 #define TSSSPRK104 "rk104"
379 
380 PETSC_EXTERN PetscErrorCode TSSSPSetType(TS,TSSSPType);
381 PETSC_EXTERN PetscErrorCode TSSSPGetType(TS,TSSSPType*);
382 PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
383 PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
384 PETSC_EXTERN PetscErrorCode TSSSPFinalizePackage(void);
385 PETSC_EXTERN PetscErrorCode TSSSPInitializePackage(void);
386 
387 /*S
388    TSAdapt - Abstract object that manages time-step adaptivity
389 
390    Level: beginner
391 
392 .seealso: TS, TSAdaptCreate(), TSAdaptType
393 S*/
394 typedef struct _p_TSAdapt *TSAdapt;
395 
396 /*E
397     TSAdaptType - String with the name of TSAdapt scheme.
398 
399    Level: beginner
400 
401 .seealso: TSAdaptSetType(), TS
402 E*/
403 typedef const char *TSAdaptType;
404 #define TSADAPTBASIC "basic"
405 #define TSADAPTNONE  "none"
406 #define TSADAPTCFL   "cfl"
407 
408 PETSC_EXTERN PetscErrorCode TSGetAdapt(TS,TSAdapt*);
409 PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[],PetscErrorCode (*)(TSAdapt));
410 PETSC_EXTERN PetscErrorCode TSAdaptRegisterAll(void);
411 PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void);
412 PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
413 PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm,TSAdapt*);
414 PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt,TSAdaptType);
415 PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt,const char[]);
416 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
417 PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt,const char[],PetscInt,PetscInt,PetscReal,PetscReal,PetscBool);
418 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt,PetscInt*,const PetscInt**,const PetscInt**,const PetscReal**,const PetscReal**);
419 PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt,TS,PetscReal,PetscInt*,PetscReal*,PetscBool*);
420 PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt,TS,PetscBool*);
421 PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt,PetscViewer);
422 PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt,PetscViewer);
423 PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(TSAdapt);
424 PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt*);
425 PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt,PetscBool);
426 PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt,PetscReal,PetscReal);
427 PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt,PetscErrorCode(*)(TSAdapt,TS,PetscBool*));
428 
429 /*S
430    TSGLAdapt - Abstract object that manages time-step adaptivity
431 
432    Level: beginner
433 
434    Developer Notes:
435    This functionality should be replaced by the TSAdapt.
436 
437 .seealso: TSGL, TSGLAdaptCreate(), TSGLAdaptType
438 S*/
439 typedef struct _p_TSGLAdapt *TSGLAdapt;
440 
441 /*J
442     TSGLAdaptType - String with the name of TSGLAdapt scheme
443 
444    Level: beginner
445 
446 .seealso: TSGLAdaptSetType(), TS
447 J*/
448 typedef const char *TSGLAdaptType;
449 #define TSGLADAPT_NONE "none"
450 #define TSGLADAPT_SIZE "size"
451 #define TSGLADAPT_BOTH "both"
452 
453 PETSC_EXTERN PetscErrorCode TSGLAdaptRegister(const char[],PetscErrorCode (*)(TSGLAdapt));
454 PETSC_EXTERN PetscErrorCode TSGLAdaptRegisterAll(void);
455 PETSC_EXTERN PetscErrorCode TSGLAdaptInitializePackage(void);
456 PETSC_EXTERN PetscErrorCode TSGLAdaptFinalizePackage(void);
457 PETSC_EXTERN PetscErrorCode TSGLAdaptCreate(MPI_Comm,TSGLAdapt*);
458 PETSC_EXTERN PetscErrorCode TSGLAdaptSetType(TSGLAdapt,TSGLAdaptType);
459 PETSC_EXTERN PetscErrorCode TSGLAdaptSetOptionsPrefix(TSGLAdapt,const char[]);
460 PETSC_EXTERN PetscErrorCode TSGLAdaptChoose(TSGLAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
461 PETSC_EXTERN PetscErrorCode TSGLAdaptView(TSGLAdapt,PetscViewer);
462 PETSC_EXTERN PetscErrorCode TSGLAdaptSetFromOptions(TSGLAdapt);
463 PETSC_EXTERN PetscErrorCode TSGLAdaptDestroy(TSGLAdapt*);
464 
465 /*J
466     TSGLAcceptType - String with the name of TSGLAccept scheme
467 
468    Level: beginner
469 
470 .seealso: TSGLSetAcceptType(), TS
471 J*/
472 typedef const char *TSGLAcceptType;
473 #define TSGLACCEPT_ALWAYS "always"
474 
475 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
476 PETSC_EXTERN PetscErrorCode TSGLAcceptRegister(const char[],TSGLAcceptFunction);
477 
478 /*J
479   TSGLType - family of time integration method within the General Linear class
480 
481   Level: beginner
482 
483 .seealso: TSGLSetType(), TSGLRegister()
484 J*/
485 typedef const char* TSGLType;
486 #define TSGL_IRKS   "irks"
487 
488 PETSC_EXTERN PetscErrorCode TSGLRegister(const char[],PetscErrorCode(*)(TS));
489 PETSC_EXTERN PetscErrorCode TSGLRegisterAll(void);
490 PETSC_EXTERN PetscErrorCode TSGLInitializePackage(void);
491 PETSC_EXTERN PetscErrorCode TSGLFinalizePackage(void);
492 PETSC_EXTERN PetscErrorCode TSGLSetType(TS,TSGLType);
493 PETSC_EXTERN PetscErrorCode TSGLGetAdapt(TS,TSGLAdapt*);
494 PETSC_EXTERN PetscErrorCode TSGLSetAcceptType(TS,TSGLAcceptType);
495 
496 /*J
497     TSEIMEXType - String with the name of an Extrapolated IMEX method.
498 
499    Level: beginner
500 
501 .seealso: TSEIMEXSetType(), TS, TSEIMEX, TSEIMEXRegister()
502 J*/
503 #define TSEIMEXType   char*
504 
505 PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts,PetscInt);
506 PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts,PetscInt,PetscInt);
507 PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS,PetscBool);
508 
509 /*J
510     TSRKType - String with the name of a Runge-Kutta method.
511 
512    Level: beginner
513 
514 .seealso: TSRKSetType(), TS, TSRK, TSRKRegister()
515 J*/
516 typedef const char* TSRKType;
517 #define TSRK1FE   "1fe"
518 #define TSRK2A    "2a"
519 #define TSRK3     "3"
520 #define TSRK3BS   "3bs"
521 #define TSRK4     "4"
522 #define TSRK5F    "5f"
523 #define TSRK5DP   "5dp"
524 PETSC_EXTERN PetscErrorCode TSRKGetType(TS ts,TSRKType*);
525 PETSC_EXTERN PetscErrorCode TSRKSetType(TS ts,TSRKType);
526 PETSC_EXTERN PetscErrorCode TSRKSetFullyImplicit(TS,PetscBool);
527 PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
528 PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void);
529 PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void);
530 PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void);
531 PETSC_EXTERN PetscErrorCode TSRKRegisterAll(void);
532 
533 /*J
534     TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX method.
535 
536    Level: beginner
537 
538 .seealso: TSARKIMEXSetType(), TS, TSARKIMEX, TSARKIMEXRegister()
539 J*/
540 typedef const char* TSARKIMEXType;
541 #define TSARKIMEX1BEE   "1bee"
542 #define TSARKIMEXA2     "a2"
543 #define TSARKIMEXL2     "l2"
544 #define TSARKIMEXARS122 "ars122"
545 #define TSARKIMEX2C     "2c"
546 #define TSARKIMEX2D     "2d"
547 #define TSARKIMEX2E     "2e"
548 #define TSARKIMEXPRSSP2 "prssp2"
549 #define TSARKIMEX3      "3"
550 #define TSARKIMEXBPR3   "bpr3"
551 #define TSARKIMEXARS443 "ars443"
552 #define TSARKIMEX4      "4"
553 #define TSARKIMEX5      "5"
554 PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts,TSARKIMEXType*);
555 PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts,TSARKIMEXType);
556 PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
557 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[]);
558 PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
559 PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
560 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);
561 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterAll(void);
562 
563 /*J
564     TSRosWType - String with the name of a Rosenbrock-W method.
565 
566    Level: beginner
567 
568 .seealso: TSRosWSetType(), TS, TSROSW, TSRosWRegister()
569 J*/
570 typedef const char* TSRosWType;
571 #define TSROSW2M          "2m"
572 #define TSROSW2P          "2p"
573 #define TSROSWRA3PW       "ra3pw"
574 #define TSROSWRA34PW2     "ra34pw2"
575 #define TSROSWRODAS3      "rodas3"
576 #define TSROSWSANDU3      "sandu3"
577 #define TSROSWASSP3P3S1C  "assp3p3s1c"
578 #define TSROSWLASSP3P4S2C "lassp3p4s2c"
579 #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
580 #define TSROSWARK3        "ark3"
581 #define TSROSWTHETA1      "theta1"
582 #define TSROSWTHETA2      "theta2"
583 #define TSROSWGRK4T       "grk4t"
584 #define TSROSWSHAMP4      "shamp4"
585 #define TSROSWVELDD4      "veldd4"
586 #define TSROSW4L          "4l"
587 
588 PETSC_EXTERN PetscErrorCode TSRosWGetType(TS ts,TSRosWType*);
589 PETSC_EXTERN PetscErrorCode TSRosWSetType(TS ts,TSRosWType);
590 PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS,PetscBool);
591 PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
592 PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
593 PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
594 PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void);
595 PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);
596 PETSC_EXTERN PetscErrorCode TSRosWRegisterAll(void);
597 
598 /*
599        PETSc interface to Sundials
600 */
601 #ifdef PETSC_HAVE_SUNDIALS
602 typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
603 PETSC_EXTERN const char *const TSSundialsLmmTypes[];
604 typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
605 PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
606 PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS,TSSundialsLmmType);
607 PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS,PC*);
608 PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS,PetscReal,PetscReal);
609 PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS,PetscReal);
610 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS,PetscReal);
611 PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
612 PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
613 PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS,PetscInt);
614 PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS,PetscReal);
615 PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS,PetscBool );
616 PETSC_EXTERN PetscErrorCode TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
617 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS,PetscInt);
618 #endif
619 
620 PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS,PetscReal);
621 PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS,PetscReal*);
622 PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS,PetscBool*);
623 PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS,PetscBool);
624 
625 PETSC_EXTERN PetscErrorCode TSAlphaSetAdapt(TS,PetscErrorCode(*)(TS,PetscReal,Vec,Vec,PetscReal*,PetscBool*,void*),void*);
626 PETSC_EXTERN PetscErrorCode TSAlphaAdaptDefault(TS,PetscReal,Vec,Vec,PetscReal*,PetscBool*,void*);
627 PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS,PetscReal);
628 PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
629 PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);
630 
631 PETSC_EXTERN PetscErrorCode TSSetDM(TS,DM);
632 PETSC_EXTERN PetscErrorCode TSGetDM(TS,DM*);
633 
634 PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES,Vec,Vec,void*);
635 PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES,Vec,Mat*,Mat*,MatStructure*,void*);
636 
637 #endif
638