1 /* 2 User interface for the timestepping package. This package 3 is for use in solving time-dependent PDEs. 4 */ 5 #ifndef PETSCTS_H 6 #define PETSCTS_H 7 8 #include <petscsnes.h> 9 #include <petscconvest.h> 10 11 /*I <petscts.h> I*/ 12 13 /* SUBMANSEC = TS */ 14 15 /*S 16 TS - Abstract PETSc object that manages all time-steppers (ODE integrators) 17 18 Level: beginner 19 20 .seealso: [](integrator_table), [](ch_ts), `TSCreate()`, `TSSetType()`, `TSType`, `SNES`, `KSP`, `PC`, `TSDestroy()` 21 S*/ 22 typedef struct _p_TS *TS; 23 24 /*J 25 TSType - String with the name of a PETSc `TS` method. 26 27 Level: beginner 28 29 .seealso: [](integrator_table), [](ch_ts), `TSSetType()`, `TS`, `TSRegister()` 30 J*/ 31 typedef const char *TSType; 32 #define TSEULER "euler" 33 #define TSBEULER "beuler" 34 #define TSBASICSYMPLECTIC "basicsymplectic" 35 #define TSPSEUDO "pseudo" 36 #define TSCN "cn" 37 #define TSSUNDIALS "sundials" 38 #define TSRK "rk" 39 #define TSPYTHON "python" 40 #define TSTHETA "theta" 41 #define TSALPHA "alpha" 42 #define TSALPHA2 "alpha2" 43 #define TSGLLE "glle" 44 #define TSGLEE "glee" 45 #define TSSSP "ssp" 46 #define TSARKIMEX "arkimex" 47 #define TSROSW "rosw" 48 #define TSEIMEX "eimex" 49 #define TSMIMEX "mimex" 50 #define TSBDF "bdf" 51 #define TSRADAU5 "radau5" 52 #define TSMPRK "mprk" 53 #define TSDISCGRAD "discgrad" 54 #define TSIRK "irk" 55 56 /*E 57 TSProblemType - Determines the type of problem this `TS` object is to be used to solve 58 59 Values: 60 + `TS_LINEAR` - a linear ODE or DAE 61 - `TS_NONLINEAR` - a nonlinear ODE or DAE 62 63 Level: beginner 64 65 .seealso: [](ch_ts), `TS`, `TSCreate()` 66 E*/ 67 typedef enum { 68 TS_LINEAR, 69 TS_NONLINEAR 70 } TSProblemType; 71 72 /*E 73 TSEquationType - type of `TS` problem that is solved 74 75 Level: beginner 76 77 Values: 78 + `TS_EQ_UNSPECIFIED` - (default) 79 . `TS_EQ_EXPLICIT` - {ODE and DAE index 1, 2, 3, HI} F(t,U,U_t) := M(t) U_t - G(U,t) = 0 80 - `TS_EQ_IMPLICIT` - {ODE and DAE index 1, 2, 3, HI} F(t,U,U_t) = 0 81 82 .seealso: [](ch_ts), `TS`, `TSGetEquationType()`, `TSSetEquationType()` 83 E*/ 84 typedef enum { 85 TS_EQ_UNSPECIFIED = -1, 86 TS_EQ_EXPLICIT = 0, 87 TS_EQ_ODE_EXPLICIT = 1, 88 TS_EQ_DAE_SEMI_EXPLICIT_INDEX1 = 100, 89 TS_EQ_DAE_SEMI_EXPLICIT_INDEX2 = 200, 90 TS_EQ_DAE_SEMI_EXPLICIT_INDEX3 = 300, 91 TS_EQ_DAE_SEMI_EXPLICIT_INDEXHI = 500, 92 TS_EQ_IMPLICIT = 1000, 93 TS_EQ_ODE_IMPLICIT = 1001, 94 TS_EQ_DAE_IMPLICIT_INDEX1 = 1100, 95 TS_EQ_DAE_IMPLICIT_INDEX2 = 1200, 96 TS_EQ_DAE_IMPLICIT_INDEX3 = 1300, 97 TS_EQ_DAE_IMPLICIT_INDEXHI = 1500 98 } TSEquationType; 99 PETSC_EXTERN const char *const *TSEquationTypes; 100 101 /*E 102 TSConvergedReason - reason a `TS` method has converged (integrated to the requested time) or not 103 104 Values: 105 + `TS_CONVERGED_ITERATING` - this only occurs if `TSGetConvergedReason()` is called during the `TSSolve()` 106 . `TS_CONVERGED_TIME` - the final time was reached 107 . `TS_CONVERGED_ITS` - the maximum number of iterations (time-steps) was reached prior to the final time 108 . `TS_CONVERGED_USER` - user requested termination 109 . `TS_CONVERGED_EVENT` - user requested termination on event detection 110 . `TS_CONVERGED_PSEUDO_FATOL` - stops when function norm decreased by a set amount, used only for `TSPSEUDO` 111 . `TS_CONVERGED_PSEUDO_FRTOL` - stops when function norm decreases below a set amount, used only for `TSPSEUDO` 112 . `TS_DIVERGED_NONLINEAR_SOLVE` - too many nonlinear solve failures have occurred 113 . `TS_DIVERGED_STEP_REJECTED` - too many steps were rejected 114 . `TSFORWARD_DIVERGED_LINEAR_SOLVE` - tangent linear solve failed 115 - `TSADJOINT_DIVERGED_LINEAR_SOLVE` - transposed linear solve failed 116 117 Level: beginner 118 119 .seealso: [](ch_ts), `TS`, `TSGetConvergedReason()` 120 E*/ 121 typedef enum { 122 TS_CONVERGED_ITERATING = 0, 123 TS_CONVERGED_TIME = 1, 124 TS_CONVERGED_ITS = 2, 125 TS_CONVERGED_USER = 3, 126 TS_CONVERGED_EVENT = 4, 127 TS_CONVERGED_PSEUDO_FATOL = 5, 128 TS_CONVERGED_PSEUDO_FRTOL = 6, 129 TS_DIVERGED_NONLINEAR_SOLVE = -1, 130 TS_DIVERGED_STEP_REJECTED = -2, 131 TSFORWARD_DIVERGED_LINEAR_SOLVE = -3, 132 TSADJOINT_DIVERGED_LINEAR_SOLVE = -4 133 } TSConvergedReason; 134 PETSC_EXTERN const char *const *TSConvergedReasons; 135 136 /*MC 137 TS_CONVERGED_ITERATING - this only occurs if `TSGetConvergedReason()` is called during the `TSSolve()` 138 139 Level: beginner 140 141 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()` 142 M*/ 143 144 /*MC 145 TS_CONVERGED_TIME - the final time was reached 146 147 Level: beginner 148 149 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxTime()`, `TSGetMaxTime()`, `TSGetSolveTime()` 150 M*/ 151 152 /*MC 153 TS_CONVERGED_ITS - the maximum number of iterations (time-steps) was reached prior to the final time 154 155 Level: beginner 156 157 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxSteps()`, `TSGetMaxSteps()` 158 M*/ 159 160 /*MC 161 TS_CONVERGED_USER - user requested termination 162 163 Level: beginner 164 165 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()` 166 M*/ 167 168 /*MC 169 TS_CONVERGED_EVENT - user requested termination on event detection 170 171 Level: beginner 172 173 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()` 174 M*/ 175 176 /*MC 177 TS_CONVERGED_PSEUDO_FRTOL - stops when function norm decreased by a set amount, used only for `TSPSEUDO` 178 179 Options Database Key: 180 . -ts_pseudo_frtol <rtol> - use specified rtol 181 182 Level: beginner 183 184 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`, `TS_CONVERGED_PSEUDO_FATOL` 185 M*/ 186 187 /*MC 188 TS_CONVERGED_PSEUDO_FATOL - stops when function norm decreases below a set amount, used only for `TSPSEUDO` 189 190 Options Database Key: 191 . -ts_pseudo_fatol <atol> - use specified atol 192 193 Level: beginner 194 195 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSSetConvergedReason()`, `TS_CONVERGED_PSEUDO_FRTOL` 196 M*/ 197 198 /*MC 199 TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed 200 201 Level: beginner 202 203 Note: 204 See `TSSetMaxSNESFailures()` for how to allow more nonlinear solver failures. 205 206 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSGetSNES()`, `SNESGetConvergedReason()`, `TSSetMaxSNESFailures()` 207 M*/ 208 209 /*MC 210 TS_DIVERGED_STEP_REJECTED - too many steps were rejected 211 212 Level: beginner 213 214 Notes: 215 See `TSSetMaxStepRejections()` for how to allow more step rejections. 216 217 .seealso: [](ch_ts), `TS`, `TSSolve()`, `TSGetConvergedReason()`, `TSGetAdapt()`, `TSSetMaxStepRejections()` 218 M*/ 219 220 /*E 221 TSExactFinalTimeOption - option for handling of final time step 222 223 Values: 224 + `TS_EXACTFINALTIME_STEPOVER` - Don't do anything if requested final time is exceeded 225 . `TS_EXACTFINALTIME_INTERPOLATE` - Interpolate back to final time 226 - `TS_EXACTFINALTIME_MATCHSTEP` - Adapt final time step to match the final time requested 227 228 Level: beginner 229 230 .seealso: [](ch_ts), `TS`, `TSGetConvergedReason()`, `TSSetExactFinalTime()`, `TSGetExactFinalTime()` 231 E*/ 232 typedef enum { 233 TS_EXACTFINALTIME_UNSPECIFIED = 0, 234 TS_EXACTFINALTIME_STEPOVER = 1, 235 TS_EXACTFINALTIME_INTERPOLATE = 2, 236 TS_EXACTFINALTIME_MATCHSTEP = 3 237 } TSExactFinalTimeOption; 238 PETSC_EXTERN const char *const TSExactFinalTimeOptions[]; 239 240 /* Logging support */ 241 PETSC_EXTERN PetscClassId TS_CLASSID; 242 PETSC_EXTERN PetscClassId DMTS_CLASSID; 243 PETSC_EXTERN PetscClassId TSADAPT_CLASSID; 244 245 PETSC_EXTERN PetscErrorCode TSInitializePackage(void); 246 PETSC_EXTERN PetscErrorCode TSFinalizePackage(void); 247 248 PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm, TS *); 249 PETSC_EXTERN PetscErrorCode TSClone(TS, TS *); 250 PETSC_EXTERN PetscErrorCode TSDestroy(TS *); 251 252 PETSC_EXTERN PetscErrorCode TSSetProblemType(TS, TSProblemType); 253 PETSC_EXTERN PetscErrorCode TSGetProblemType(TS, TSProblemType *); 254 PETSC_EXTERN PetscErrorCode TSMonitor(TS, PetscInt, PetscReal, Vec); 255 PETSC_EXTERN PetscErrorCode TSMonitorSet(TS, PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, void *), void *, PetscErrorCode (*)(void **)); 256 PETSC_EXTERN PetscErrorCode TSMonitorSetFromOptions(TS, const char[], const char[], const char[], PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *), PetscErrorCode (*)(TS, PetscViewerAndFormat *)); 257 PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS); 258 259 PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS, const char[]); 260 PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS, const char[]); 261 PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS, const char *[]); 262 PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS); 263 PETSC_EXTERN PetscErrorCode TSSetUp(TS); 264 PETSC_EXTERN PetscErrorCode TSReset(TS); 265 266 PETSC_EXTERN PetscErrorCode TSSetSolution(TS, Vec); 267 PETSC_EXTERN PetscErrorCode TSGetSolution(TS, Vec *); 268 269 PETSC_EXTERN PetscErrorCode TS2SetSolution(TS, Vec, Vec); 270 PETSC_EXTERN PetscErrorCode TS2GetSolution(TS, Vec *, Vec *); 271 272 PETSC_EXTERN PetscErrorCode TSGetSolutionComponents(TS, PetscInt *, Vec *); 273 PETSC_EXTERN PetscErrorCode TSGetAuxSolution(TS, Vec *); 274 PETSC_EXTERN PetscErrorCode TSGetTimeError(TS, PetscInt, Vec *); 275 PETSC_EXTERN PetscErrorCode TSSetTimeError(TS, Vec); 276 277 PETSC_EXTERN PetscErrorCode TSSetRHSJacobianP(TS, Mat, PetscErrorCode (*)(TS, PetscReal, Vec, Mat, void *), void *); 278 PETSC_EXTERN PetscErrorCode TSGetRHSJacobianP(TS, Mat *, PetscErrorCode (**)(TS, PetscReal, Vec, Mat, void *), void **); 279 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianP(TS, PetscReal, Vec, Mat); 280 PETSC_EXTERN PetscErrorCode TSSetIJacobianP(TS, Mat, PetscErrorCode (*)(TS, PetscReal, Vec, Vec, PetscReal, Mat, void *), void *); 281 PETSC_EXTERN PetscErrorCode TSComputeIJacobianP(TS, PetscReal, Vec, Vec, PetscReal, Mat, PetscBool); 282 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 5, 0, "TSGetQuadratureTS() then TSComputeRHSJacobianP()", ) PetscErrorCode TSComputeDRDPFunction(TS, PetscReal, Vec, Vec *); 283 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 5, 0, "TSGetQuadratureTS() then TSComputeRHSJacobian()", ) PetscErrorCode TSComputeDRDUFunction(TS, PetscReal, Vec, Vec *); 284 PETSC_EXTERN PetscErrorCode TSSetIHessianProduct(TS, Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), void *); 285 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionUU(TS, PetscReal, Vec, Vec *, Vec, Vec *); 286 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionUP(TS, PetscReal, Vec, Vec *, Vec, Vec *); 287 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionPU(TS, PetscReal, Vec, Vec *, Vec, Vec *); 288 PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionPP(TS, PetscReal, Vec, Vec *, Vec, Vec *); 289 PETSC_EXTERN PetscErrorCode TSSetRHSHessianProduct(TS, Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), Vec *, PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, Vec, Vec *, void *), void *); 290 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionUU(TS, PetscReal, Vec, Vec *, Vec, Vec *); 291 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionUP(TS, PetscReal, Vec, Vec *, Vec, Vec *); 292 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionPU(TS, PetscReal, Vec, Vec *, Vec, Vec *); 293 PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionPP(TS, PetscReal, Vec, Vec *, Vec, Vec *); 294 PETSC_EXTERN PetscErrorCode TSSetCostHessianProducts(TS, PetscInt, Vec *, Vec *, Vec); 295 PETSC_EXTERN PetscErrorCode TSGetCostHessianProducts(TS, PetscInt *, Vec **, Vec **, Vec *); 296 PETSC_EXTERN PetscErrorCode TSComputeSNESJacobian(TS, Vec, Mat, Mat); 297 298 /*S 299 TSTrajectory - Abstract PETSc object that stores the trajectory (solution of ODE/DAE at each time step) 300 301 Level: advanced 302 303 .seealso: [](ch_ts), `TS`, `TSSetSaveTrajectory()`, `TSTrajectoryCreate()`, `TSTrajectorySetType()`, `TSTrajectoryDestroy()`, `TSTrajectoryReset()` 304 S*/ 305 typedef struct _p_TSTrajectory *TSTrajectory; 306 307 /*J 308 TSTrajectoryType - String with the name of a PETSc `TS` trajectory storage method 309 310 Level: intermediate 311 312 .seealso: [](ch_ts), `TS`, `TSSetSaveTrajectory()`, `TSTrajectoryCreate()`, `TSTrajectoryDestroy()` 313 J*/ 314 typedef const char *TSTrajectoryType; 315 #define TSTRAJECTORYBASIC "basic" 316 #define TSTRAJECTORYSINGLEFILE "singlefile" 317 #define TSTRAJECTORYMEMORY "memory" 318 #define TSTRAJECTORYVISUALIZATION "visualization" 319 320 PETSC_EXTERN PetscFunctionList TSTrajectoryList; 321 PETSC_EXTERN PetscClassId TSTRAJECTORY_CLASSID; 322 PETSC_EXTERN PetscBool TSTrajectoryRegisterAllCalled; 323 324 PETSC_EXTERN PetscErrorCode TSSetSaveTrajectory(TS); 325 PETSC_EXTERN PetscErrorCode TSResetTrajectory(TS); 326 PETSC_EXTERN PetscErrorCode TSRemoveTrajectory(TS); 327 328 PETSC_EXTERN PetscErrorCode TSTrajectoryCreate(MPI_Comm, TSTrajectory *); 329 PETSC_EXTERN PetscErrorCode TSTrajectoryReset(TSTrajectory); 330 PETSC_EXTERN PetscErrorCode TSTrajectoryDestroy(TSTrajectory *); 331 PETSC_EXTERN PetscErrorCode TSTrajectoryView(TSTrajectory, PetscViewer); 332 PETSC_EXTERN PetscErrorCode TSTrajectorySetType(TSTrajectory, TS, TSTrajectoryType); 333 PETSC_EXTERN PetscErrorCode TSTrajectoryGetType(TSTrajectory, TS, TSTrajectoryType *); 334 PETSC_EXTERN PetscErrorCode TSTrajectorySet(TSTrajectory, TS, PetscInt, PetscReal, Vec); 335 PETSC_EXTERN PetscErrorCode TSTrajectoryGet(TSTrajectory, TS, PetscInt, PetscReal *); 336 PETSC_EXTERN PetscErrorCode TSTrajectoryGetVecs(TSTrajectory, TS, PetscInt, PetscReal *, Vec, Vec); 337 PETSC_EXTERN PetscErrorCode TSTrajectoryGetUpdatedHistoryVecs(TSTrajectory, TS, PetscReal, Vec *, Vec *); 338 PETSC_EXTERN PetscErrorCode TSTrajectoryGetNumSteps(TSTrajectory, PetscInt *); 339 PETSC_EXTERN PetscErrorCode TSTrajectoryRestoreUpdatedHistoryVecs(TSTrajectory, Vec *, Vec *); 340 PETSC_EXTERN PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory, TS); 341 PETSC_EXTERN PetscErrorCode TSTrajectoryRegister(const char[], PetscErrorCode (*)(TSTrajectory, TS)); 342 PETSC_EXTERN PetscErrorCode TSTrajectoryRegisterAll(void); 343 PETSC_EXTERN PetscErrorCode TSTrajectorySetUp(TSTrajectory, TS); 344 PETSC_EXTERN PetscErrorCode TSTrajectorySetUseHistory(TSTrajectory, PetscBool); 345 PETSC_EXTERN PetscErrorCode TSTrajectorySetMonitor(TSTrajectory, PetscBool); 346 PETSC_EXTERN PetscErrorCode TSTrajectorySetVariableNames(TSTrajectory, const char *const *); 347 PETSC_EXTERN PetscErrorCode TSTrajectorySetTransform(TSTrajectory, PetscErrorCode (*)(void *, Vec, Vec *), PetscErrorCode (*)(void *), void *); 348 PETSC_EXTERN PetscErrorCode TSTrajectorySetSolutionOnly(TSTrajectory, PetscBool); 349 PETSC_EXTERN PetscErrorCode TSTrajectoryGetSolutionOnly(TSTrajectory, PetscBool *); 350 PETSC_EXTERN PetscErrorCode TSTrajectorySetKeepFiles(TSTrajectory, PetscBool); 351 PETSC_EXTERN PetscErrorCode TSTrajectorySetDirname(TSTrajectory, const char[]); 352 PETSC_EXTERN PetscErrorCode TSTrajectorySetFiletemplate(TSTrajectory, const char[]); 353 PETSC_EXTERN PetscErrorCode TSGetTrajectory(TS, TSTrajectory *); 354 355 PETSC_EXTERN PetscErrorCode TSSetCostGradients(TS, PetscInt, Vec *, Vec *); 356 PETSC_EXTERN PetscErrorCode TSGetCostGradients(TS, PetscInt *, Vec **, Vec **); 357 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 12, 0, "TSCreateQuadratureTS() and TSForwardSetSensitivities()", ) PetscErrorCode TSSetCostIntegrand(TS, PetscInt, Vec, PetscErrorCode (*)(TS, PetscReal, Vec, Vec, void *), PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, void *), PetscErrorCode (*)(TS, PetscReal, Vec, Vec *, void *), PetscBool, void *); 358 PETSC_EXTERN PetscErrorCode TSGetCostIntegral(TS, Vec *); 359 PETSC_EXTERN PetscErrorCode TSComputeCostIntegrand(TS, PetscReal, Vec, Vec); 360 PETSC_EXTERN PetscErrorCode TSCreateQuadratureTS(TS, PetscBool, TS *); 361 PETSC_EXTERN PetscErrorCode TSGetQuadratureTS(TS, PetscBool *, TS *); 362 363 PETSC_EXTERN PetscErrorCode TSAdjointSetFromOptions(TS, PetscOptionItems *); 364 PETSC_EXTERN PetscErrorCode TSAdjointMonitor(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *); 365 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSet(TS, PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *, void *), void *, PetscErrorCode (*)(void **)); 366 PETSC_EXTERN PetscErrorCode TSAdjointMonitorCancel(TS); 367 PETSC_EXTERN PetscErrorCode TSAdjointMonitorSetFromOptions(TS, const char[], const char[], const char[], PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *, PetscViewerAndFormat *), PetscErrorCode (*)(TS, PetscViewerAndFormat *)); 368 369 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 5, 0, "TSSetRHSJacobianP()", ) PetscErrorCode TSAdjointSetRHSJacobian(TS, Mat, PetscErrorCode (*)(TS, PetscReal, Vec, Mat, void *), void *); 370 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 5, 0, "TSComputeRHSJacobianP()", ) PetscErrorCode TSAdjointComputeRHSJacobian(TS, PetscReal, Vec, Mat); 371 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 5, 0, "TSGetQuadratureTS()", ) PetscErrorCode TSAdjointComputeDRDPFunction(TS, PetscReal, Vec, Vec *); 372 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 5, 0, "TSGetQuadratureTS()", ) PetscErrorCode TSAdjointComputeDRDYFunction(TS, PetscReal, Vec, Vec *); 373 PETSC_EXTERN PetscErrorCode TSAdjointSolve(TS); 374 PETSC_EXTERN PetscErrorCode TSAdjointSetSteps(TS, PetscInt); 375 376 PETSC_EXTERN PetscErrorCode TSAdjointStep(TS); 377 PETSC_EXTERN PetscErrorCode TSAdjointSetUp(TS); 378 PETSC_EXTERN PetscErrorCode TSAdjointReset(TS); 379 PETSC_EXTERN PetscErrorCode TSAdjointCostIntegral(TS); 380 PETSC_EXTERN PetscErrorCode TSAdjointSetForward(TS, Mat); 381 PETSC_EXTERN PetscErrorCode TSAdjointResetForward(TS); 382 383 PETSC_EXTERN PetscErrorCode TSForwardSetSensitivities(TS, PetscInt, Mat); 384 PETSC_EXTERN PetscErrorCode TSForwardGetSensitivities(TS, PetscInt *, Mat *); 385 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 12, 0, "TSCreateQuadratureTS()", ) PetscErrorCode TSForwardSetIntegralGradients(TS, PetscInt, Vec *); 386 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 12, 0, "TSForwardGetSensitivities()", ) PetscErrorCode TSForwardGetIntegralGradients(TS, PetscInt *, Vec **); 387 PETSC_EXTERN PetscErrorCode TSForwardSetUp(TS); 388 PETSC_EXTERN PetscErrorCode TSForwardReset(TS); 389 PETSC_EXTERN PetscErrorCode TSForwardCostIntegral(TS); 390 PETSC_EXTERN PetscErrorCode TSForwardStep(TS); 391 PETSC_EXTERN PetscErrorCode TSForwardSetInitialSensitivities(TS, Mat); 392 PETSC_EXTERN PetscErrorCode TSForwardGetStages(TS, PetscInt *, Mat *[]); 393 394 PETSC_EXTERN PetscErrorCode TSSetMaxSteps(TS, PetscInt); 395 PETSC_EXTERN PetscErrorCode TSGetMaxSteps(TS, PetscInt *); 396 PETSC_EXTERN PetscErrorCode TSSetMaxTime(TS, PetscReal); 397 PETSC_EXTERN PetscErrorCode TSGetMaxTime(TS, PetscReal *); 398 PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS, TSExactFinalTimeOption); 399 PETSC_EXTERN PetscErrorCode TSGetExactFinalTime(TS, TSExactFinalTimeOption *); 400 PETSC_EXTERN PetscErrorCode TSSetTimeSpan(TS, PetscInt, PetscReal *); 401 PETSC_EXTERN PetscErrorCode TSGetTimeSpan(TS, PetscInt *, const PetscReal **); 402 PETSC_EXTERN PetscErrorCode TSGetTimeSpanSolutions(TS, PetscInt *, Vec **); 403 404 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 8, 0, "TSSetTime()", ) PetscErrorCode TSSetInitialTimeStep(TS, PetscReal, PetscReal); 405 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 8, 0, "TSSetMax()", ) PetscErrorCode TSSetDuration(TS, PetscInt, PetscReal); 406 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 8, 0, "TSGetMax()", ) PetscErrorCode TSGetDuration(TS, PetscInt *, PetscReal *); 407 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 8, 0, "TSGetStepNumber()", ) PetscErrorCode TSGetTimeStepNumber(TS, PetscInt *); 408 PETSC_EXTERN PETSC_DEPRECATED_FUNCTION(3, 8, 0, "TSGetStepNumber()", ) PetscErrorCode TSGetTotalSteps(TS, PetscInt *); 409 410 PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *); 411 PETSC_EXTERN PetscErrorCode TSMonitorExtreme(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *); 412 413 typedef struct _n_TSMonitorDrawCtx *TSMonitorDrawCtx; 414 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, TSMonitorDrawCtx *); 415 PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx *); 416 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS, PetscInt, PetscReal, Vec, void *); 417 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionPhase(TS, PetscInt, PetscReal, Vec, void *); 418 PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS, PetscInt, PetscReal, Vec, void *); 419 PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionFunction(TS, PetscInt, PetscReal, Vec, void *); 420 421 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDefault(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *, PetscViewerAndFormat *); 422 PETSC_EXTERN PetscErrorCode TSAdjointMonitorDrawSensi(TS, PetscInt, PetscReal, Vec, PetscInt, Vec *, Vec *, void *); 423 424 PETSC_EXTERN PetscErrorCode TSMonitorSolution(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *); 425 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS, PetscInt, PetscReal, Vec, void *); 426 PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void *); 427 428 PETSC_EXTERN PetscErrorCode TSStep(TS); 429 PETSC_EXTERN PetscErrorCode TSEvaluateWLTE(TS, NormType, PetscInt *, PetscReal *); 430 PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS, PetscInt, Vec, PetscBool *); 431 PETSC_EXTERN PetscErrorCode TSSolve(TS, Vec); 432 PETSC_EXTERN PetscErrorCode TSGetEquationType(TS, TSEquationType *); 433 PETSC_EXTERN PetscErrorCode TSSetEquationType(TS, TSEquationType); 434 PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS, TSConvergedReason *); 435 PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS, TSConvergedReason); 436 PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS, PetscReal *); 437 PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS, PetscInt *); 438 PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS, PetscInt *); 439 PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS, PetscInt *); 440 PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS, PetscInt); 441 PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS, PetscInt *); 442 PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS, PetscInt); 443 PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS, PetscBool); 444 PETSC_EXTERN PetscErrorCode TSRestartStep(TS); 445 PETSC_EXTERN PetscErrorCode TSRollBack(TS); 446 447 PETSC_EXTERN PetscErrorCode TSGetStages(TS, PetscInt *, Vec *[]); 448 449 PETSC_EXTERN PetscErrorCode TSGetTime(TS, PetscReal *); 450 PETSC_EXTERN PetscErrorCode TSSetTime(TS, PetscReal); 451 PETSC_EXTERN PetscErrorCode TSGetPrevTime(TS, PetscReal *); 452 PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS, PetscReal *); 453 PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS, PetscReal); 454 PETSC_EXTERN PetscErrorCode TSGetStepNumber(TS, PetscInt *); 455 PETSC_EXTERN PetscErrorCode TSSetStepNumber(TS, PetscInt); 456 457 /*S 458 TSRHSFunction - An `TS` right-hand-side evaluation function 459 460 Calling Sequence: 461 + ts - timestep context 462 . t - current time 463 . u - input vector 464 . F - function vector 465 - ctx - [optional] user-defined function context 466 467 Level: beginner 468 469 .seealso: [](ch_ts), `TS`, `TSSetRHSFunction()`, `DMTSSetRHSFunction()`, `TSIFunction()`, 470 `TSIJacobian()`, `TSRHSJacobian()` 471 S*/ 472 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS ts, PetscReal t, Vec u, Vec F, void *ctx); 473 474 /*S 475 TSRHSJacobian - A `TS` right-hand-side Jacobian evaluation function 476 477 Calling Sequence: 478 + ts - the `TS` context obtained from `TSCreate()` 479 . t - current time 480 . u - input vector 481 . Amat - (approximate) Jacobian matrix 482 . Pmat - matrix from which preconditioner is to be constructed (usually the same as Amat) 483 - ctx - [optional] user-defined context for matrix evaluation routine 484 485 Level: beginner 486 487 .seealso: [](ch_ts), `TS`, `TSSetRHSJacobian()`, `DMTSSetRHSJacobian()`, `TSRHSFunction()`, 488 `TSIFunction()`, `TSIJacobian()` 489 S*/ 490 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS ts, PetscReal t, Vec u, Mat Amat, Mat Pmat, void *ctx); 491 492 /*S 493 TSRHSJacobianP - A function that computes the Jacobian of G w.r.t. the parameters P where U_t 494 = G(U,P,t), as well as the location to store the matrix. 495 496 Calling Sequence: 497 + ts - the `TS` context 498 . t - current timestep 499 . U - input vector (current ODE solution) 500 . A - output matrix 501 - ctx - [optional] user-defined function context 502 503 Level: beginner 504 505 .seealso: [](ch_ts), `TS`, `TSSetRHSJacobianP()`, `TSGetRHSJacobianP()` 506 S*/ 507 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobianP)(TS ts, PetscReal t, Vec U, Mat A, void *ctx); 508 509 PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS, Vec, TSRHSFunction, void *); 510 PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS, Vec *, TSRHSFunction *, void **); 511 PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS, Mat, Mat, TSRHSJacobian, void *); 512 PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS, Mat *, Mat *, TSRHSJacobian *, void **); 513 PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS, PetscBool); 514 515 /*S 516 TSSolutionFunction - A `TS` solution evaluation function 517 518 Calling Sequence: 519 + ts - timestep context 520 . t - current time 521 . u - output vector 522 - ctx - [optional] user-defined function context 523 524 Level: advanced 525 526 .seealso: [](ch_ts), `TS`, `TSSetSolutionFunction()`, `DMTSSetSolutionFunction()` 527 S*/ 528 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS ts, PetscReal t, Vec u, void *ctx); 529 530 PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS, TSSolutionFunction, void *); 531 532 /*S 533 TSForcingFunction - A `TS` forcing function evaluation function 534 535 Calling Sequence: 536 + ts - timestep context 537 . t - current time 538 . f - output vector 539 - ctx - [optional] user-defined function context 540 541 Level: advanced 542 543 .seealso: [](ch_ts), `TS`, `TSSetForcingFunction()`, `DMTSSetForcingFunction()` 544 S*/ 545 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSForcingFunction)(TS ts, PetscReal t, Vec f, void *ctx); 546 547 PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS, TSForcingFunction, void *); 548 549 /*S 550 TSIFunction - A `TS` implicit function evaluation function 551 552 Calling Sequence: 553 + ts - the `TS` context obtained from `TSCreate()` 554 . t - time at step/stage being solved 555 . U - state vector 556 . U_t - time derivative of state vector 557 . F - function vector 558 - ctx - [optional] user-defined context for function 559 560 Level: beginner 561 562 .seealso: [](ch_ts), `TS`, `TSSetIFunction()`, `DMTSSetIFunction()`, `TSIJacobian()`, `TSRHSFunction()`, `TSRHSJacobian()` 563 S*/ 564 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS ts, PetscReal t, Vec U, Vec U_tt, Vec F, void *ctx); 565 566 /*S 567 TSIJacobian - A `TS` Jacobian evaluation function 568 569 Calling Sequence: 570 + ts - the `TS` context obtained from `TSCreate()` 571 . t - time at step/stage being solved 572 . U - state vector 573 . U_t - time derivative of state vector 574 . a - shift 575 . Amat - (approximate) Jacobian of F(t,U,W+a*U), equivalent to dF/dU + a*dF/dU_t 576 . Pmat - matrix used for constructing preconditioner, usually the same as `Amat` 577 - ctx - [optional] user-defined context for Jacobian evaluation routine 578 579 Level: beginner 580 581 .seealso: [](ch_ts), `TSSetIJacobian()`, `DMTSSetIJacobian()`, `TSIFunction()`, `TSRHSFunction()`, `TSRHSJacobian()` 582 S*/ 583 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS ts, PetscReal t, Vec U, Vec U_t, PetscReal a, Mat Amat, Mat Pmat, void *ctx); 584 585 PETSC_EXTERN PetscErrorCode TSSetIFunction(TS, Vec, TSIFunction, void *); 586 PETSC_EXTERN PetscErrorCode TSGetIFunction(TS, Vec *, TSIFunction *, void **); 587 PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS, Mat, Mat, TSIJacobian, void *); 588 PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS, Mat *, Mat *, TSIJacobian *, void **); 589 590 /*S 591 TSI2Function - A `TS` implicit function evaluation function for 2nd order systems 592 593 Calling Sequence: 594 + ts - the `TS` context obtained from `TSCreate()` 595 . t - time at step/stage being solved 596 . U - state vector 597 . U_t - time derivative of state vector 598 . U_tt - second time derivative of state vector 599 . F - function vector 600 - ctx - [optional] user-defined context for matrix evaluation routine (may be `NULL`) 601 602 Level: advanced 603 604 .seealso: [](ch_ts), `TS`, `TSSetI2Function()`, `DMTSSetI2Function()` 605 S*/ 606 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Function)(TS ts, PetscReal t, Vec U, Vec U_t, Vec U_tt, Vec F, void *ctx); 607 608 /*S 609 TSI2Jacobian - A `TS` implicit Jacobian evaluation function for 2nd order systems 610 611 Calling Sequence: 612 + ts - the `TS` context obtained from `TSCreate()` 613 . t - time at step/stage being solved 614 . U - state vector 615 . U_t - time derivative of state vector 616 . U_tt - second time derivative of state vector 617 . v - shift for U_t 618 . a - shift for U_tt 619 . J - Jacobian of G(U) = F(t,U,W+v*U,W'+a*U), equivalent to dF/dU + v*dF/dU_t + a*dF/dU_tt 620 . jac - matrix from which to construct the preconditioner, may be same as `J` 621 - ctx - [optional] user-defined context for matrix evaluation routine 622 623 Level: advanced 624 625 .seealso: [](ch_ts), `TS`, `TSSetI2Jacobian()`, `DMTSSetI2Jacobian()`, `TSIFunction()`, `TSIJacobian()`, `TSRHSFunction()`, `TSRHSJacobian()` 626 S*/ 627 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Jacobian)(TS ts, PetscReal t, Vec U, Vec U_t, Vec U_tt, PetscReal v, PetscReal a, Mat J, Mat Jac, void *ctx); 628 629 PETSC_EXTERN PetscErrorCode TSSetI2Function(TS, Vec, TSI2Function, void *); 630 PETSC_EXTERN PetscErrorCode TSGetI2Function(TS, Vec *, TSI2Function *, void **); 631 PETSC_EXTERN PetscErrorCode TSSetI2Jacobian(TS, Mat, Mat, TSI2Jacobian, void *); 632 PETSC_EXTERN PetscErrorCode TSGetI2Jacobian(TS, Mat *, Mat *, TSI2Jacobian *, void **); 633 634 PETSC_EXTERN PetscErrorCode TSRHSSplitSetIS(TS, const char[], IS); 635 PETSC_EXTERN PetscErrorCode TSRHSSplitGetIS(TS, const char[], IS *); 636 PETSC_EXTERN PetscErrorCode TSRHSSplitSetRHSFunction(TS, const char[], Vec, TSRHSFunction, void *); 637 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTS(TS, const char[], TS *); 638 PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTSs(TS, PetscInt *, TS *[]); 639 PETSC_EXTERN PetscErrorCode TSSetUseSplitRHSFunction(TS, PetscBool); 640 PETSC_EXTERN PetscErrorCode TSGetUseSplitRHSFunction(TS, PetscBool *); 641 642 PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS, PetscReal, Vec, Vec, void *); 643 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS, PetscReal, Vec, Mat, Mat, void *); 644 PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS, PetscReal, Vec, Vec, Vec, void *); 645 PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *); 646 PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS, PetscReal, Vec); 647 PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS, PetscReal, Vec); 648 PETSC_EXTERN PetscErrorCode TSComputeIJacobianDefaultColor(TS, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *); 649 PETSC_EXTERN PetscErrorCode TSPruneIJacobianColor(TS, Mat, Mat); 650 651 PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS)); 652 PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS, PetscReal)); 653 PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS, PetscReal, PetscInt, Vec *)); 654 PETSC_EXTERN PetscErrorCode TSSetPostEvaluate(TS, PetscErrorCode (*)(TS)); 655 PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS)); 656 PETSC_EXTERN PetscErrorCode TSSetResize(TS, PetscErrorCode (*)(TS, PetscInt, PetscReal, Vec, PetscBool *, void *), PetscErrorCode (*)(TS, PetscInt, Vec[], Vec[], void *), void *); 657 PETSC_EXTERN PetscErrorCode TSPreStep(TS); 658 PETSC_EXTERN PetscErrorCode TSPreStage(TS, PetscReal); 659 PETSC_EXTERN PetscErrorCode TSPostStage(TS, PetscReal, PetscInt, Vec *); 660 PETSC_EXTERN PetscErrorCode TSPostEvaluate(TS); 661 PETSC_EXTERN PetscErrorCode TSPostStep(TS); 662 PETSC_EXTERN PetscErrorCode TSResize(TS); 663 PETSC_EXTERN PetscErrorCode TSResizeRetrieveVec(TS, const char *, Vec *); 664 PETSC_EXTERN PetscErrorCode TSResizeRegisterVec(TS, const char *, Vec); 665 666 PETSC_EXTERN PetscErrorCode TSInterpolate(TS, PetscReal, Vec); 667 PETSC_EXTERN PetscErrorCode TSSetTolerances(TS, PetscReal, Vec, PetscReal, Vec); 668 PETSC_EXTERN PetscErrorCode TSGetTolerances(TS, PetscReal *, Vec *, PetscReal *, Vec *); 669 PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm(TS, Vec, Vec, NormType, PetscReal *, PetscReal *, PetscReal *); 670 PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm(TS, Vec, Vec, Vec, NormType, PetscReal *, PetscReal *, PetscReal *); 671 PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS, PetscReal); 672 PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS, PetscReal *); 673 PETSC_EXTERN PetscErrorCode TSSetFunctionDomainError(TS, PetscErrorCode (*)(TS, PetscReal, Vec, PetscBool *)); 674 PETSC_EXTERN PetscErrorCode TSFunctionDomainError(TS, PetscReal, Vec, PetscBool *); 675 676 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS, PetscErrorCode (*)(TS, PetscReal *, void *), void *); 677 PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS, PetscReal *, void *); 678 PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS, PetscReal *); 679 PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS, PetscReal); 680 PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS, PetscErrorCode (*)(TS, Vec, void *, PetscReal *, PetscBool *), void *); 681 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS, Vec, void *, PetscReal *, PetscBool *); 682 PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS, Vec, PetscReal *, PetscBool *); 683 PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS, PetscReal); 684 PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS); 685 686 PETSC_EXTERN PetscErrorCode TSPythonSetType(TS, const char[]); 687 PETSC_EXTERN PetscErrorCode TSPythonGetType(TS, const char *[]); 688 689 PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS, PetscReal, Vec, Vec); 690 PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS, PetscReal, Vec, Mat, Mat); 691 PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS, PetscReal, Vec, Vec, Vec, PetscBool); 692 PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS, PetscReal, Vec, Vec, PetscReal, Mat, Mat, PetscBool); 693 PETSC_EXTERN PetscErrorCode TSComputeI2Function(TS, PetscReal, Vec, Vec, Vec, Vec); 694 PETSC_EXTERN PetscErrorCode TSComputeI2Jacobian(TS, PetscReal, Vec, Vec, Vec, PetscReal, PetscReal, Mat, Mat); 695 PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS, PetscReal, PetscReal, PetscReal *, PetscReal *); 696 697 PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS, Vec, Vec); 698 699 PETSC_EXTERN PetscErrorCode DMTSSetBoundaryLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *); 700 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM, TSRHSFunction, void *); 701 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM, TSRHSFunction *, void **); 702 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionContextDestroy(DM, PetscErrorCode (*)(void *)); 703 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM, TSRHSJacobian, void *); 704 PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM, TSRHSJacobian *, void **); 705 PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobianContextDestroy(DM, PetscErrorCode (*)(void *)); 706 PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM, TSIFunction, void *); 707 PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM, TSIFunction *, void **); 708 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionContextDestroy(DM, PetscErrorCode (*)(void *)); 709 PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM, TSIJacobian, void *); 710 PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM, TSIJacobian *, void **); 711 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianContextDestroy(DM, PetscErrorCode (*)(void *)); 712 PETSC_EXTERN PetscErrorCode DMTSSetI2Function(DM, TSI2Function, void *); 713 PETSC_EXTERN PetscErrorCode DMTSGetI2Function(DM, TSI2Function *, void **); 714 PETSC_EXTERN PetscErrorCode DMTSSetI2FunctionContextDestroy(DM, PetscErrorCode (*)(void *)); 715 PETSC_EXTERN PetscErrorCode DMTSSetI2Jacobian(DM, TSI2Jacobian, void *); 716 PETSC_EXTERN PetscErrorCode DMTSGetI2Jacobian(DM, TSI2Jacobian *, void **); 717 PETSC_EXTERN PetscErrorCode DMTSSetI2JacobianContextDestroy(DM, PetscErrorCode (*)(void *)); 718 719 /*S 720 TSTransientVariable - A function to transform from state to transient variables 721 722 Calling Sequence: 723 + ts - timestep context 724 . p - input vector (primitive form) 725 . c - output vector, transient variables (conservative form) 726 - ctx - [optional] user-defined function context 727 728 Level: advanced 729 730 .seealso: [](ch_ts), `TS`, `TSSetTransientVariable()`, `DMTSSetTransientVariable()` 731 S*/ 732 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSTransientVariable)(TS ts, Vec p, Vec c, void *ctx); 733 734 PETSC_EXTERN PetscErrorCode TSSetTransientVariable(TS, TSTransientVariable, void *); 735 PETSC_EXTERN PetscErrorCode DMTSSetTransientVariable(DM, TSTransientVariable, void *); 736 PETSC_EXTERN PetscErrorCode DMTSGetTransientVariable(DM, TSTransientVariable *, void *); 737 PETSC_EXTERN PetscErrorCode TSComputeTransientVariable(TS, Vec, Vec); 738 PETSC_EXTERN PetscErrorCode TSHasTransientVariable(TS, PetscBool *); 739 740 PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM, TSSolutionFunction, void *); 741 PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM, TSSolutionFunction *, void **); 742 PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM, TSForcingFunction, void *); 743 PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM, TSForcingFunction *, void **); 744 PETSC_EXTERN PetscErrorCode DMTSCheckResidual(TS, DM, PetscReal, Vec, Vec, PetscReal, PetscReal *); 745 PETSC_EXTERN PetscErrorCode DMTSCheckJacobian(TS, DM, PetscReal, Vec, Vec, PetscReal, PetscBool *, PetscReal *); 746 PETSC_EXTERN PetscErrorCode DMTSCheckFromOptions(TS, Vec); 747 748 PETSC_EXTERN PetscErrorCode DMTSGetIFunctionLocal(DM, PetscErrorCode (**)(DM, PetscReal, Vec, Vec, Vec, void *), void **); 749 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, Vec, void *), void *); 750 PETSC_EXTERN PetscErrorCode DMTSGetIJacobianLocal(DM, PetscErrorCode (**)(DM, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *), void **); 751 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, PetscReal, Mat, Mat, void *), void *); 752 PETSC_EXTERN PetscErrorCode DMTSGetRHSFunctionLocal(DM, PetscErrorCode (**)(DM, PetscReal, Vec, Vec, void *), void **); 753 PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *); 754 PETSC_EXTERN PetscErrorCode DMTSCreateRHSMassMatrix(DM); 755 PETSC_EXTERN PetscErrorCode DMTSCreateRHSMassMatrixLumped(DM); 756 PETSC_EXTERN PetscErrorCode DMTSDestroyRHSMassMatrix(DM); 757 758 PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM, PetscErrorCode (*)(void *, PetscViewer), PetscErrorCode (*)(void **, PetscViewer)); 759 PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM, PetscErrorCode (*)(void *, PetscViewer), PetscErrorCode (*)(void **, PetscViewer)); 760 761 /*S 762 DMDATSRHSFunctionLocal - A local `TS` right hand side residual evaluation function for use with `DMDA` 763 764 Calling Sequence: 765 + info - defines the subdomain to evaluate the residual on 766 . t - time at which to evaluate residual 767 . x - array of local state information 768 . f - output array of local residual information 769 - ctx - optional user context 770 771 Level: beginner 772 773 .seealso: `DMDA`, `DMDATSSetRHSFunctionLocal()`, `TSRHSFunction()`, `DMDATSRHSJacobianLocal()`, `DMDATSIJacobianLocal()`, `DMDATSIFunctionLocal()` 774 S*/ 775 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo *info, PetscReal t, void *x, void *f, void *ctx); 776 777 /*S 778 DMDATSRHSJacobianLocal - A local residual evaluation function for use with `DMDA` 779 780 Calling Sequence: 781 + info - defines the subdomain to evaluate the residual on 782 . t - time at which to evaluate residual 783 . x - array of local state information 784 . J - Jacobian matrix 785 . B - matrix from which to construct the preconditioner; often same as `J` 786 - ctx - optional context 787 788 Level: beginner 789 790 .seealso: `DMDA`, `DMDATSSetRHSJacobianLocal()`, `TSRHSJacobian()`, `DMDATSRHSFunctionLocal()`, `DMDATSIJacobianLocal()`, `DMDATSIFunctionLocal()` 791 S*/ 792 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo *info, PetscReal t, void *x, Mat J, Mat B, void *ctx); 793 794 /*S 795 DMDATSIFunctionLocal - A local residual evaluation function for use with `DMDA` 796 797 Calling Sequence: 798 + info - defines the subdomain to evaluate the residual on 799 . t - time at which to evaluate residual 800 . x - array of local state information 801 . xdot - array of local time derivative information 802 . imode - output array of local function evaluation information 803 - ctx - optional context 804 805 Level: beginner 806 807 .seealso: `DMDA`, `DMDATSSetIFunctionLocal()`, `DMDATSIJacobianLocal()`, `TSIFunction()` 808 S*/ 809 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo *info, PetscReal t, void *x, void *xdot, void *imode, void *ctx); 810 811 /*S 812 DMDATSIJacobianLocal - A local residual evaluation function for use with `DMDA` 813 814 Calling Sequence: 815 + info - defines the subdomain to evaluate the residual on 816 . t - time at which to evaluate the jacobian 817 . x - array of local state information 818 . xdot - time derivative at this state 819 . shift - see `TSSetIJacobian()` for the meaning of this parameter 820 . J - Jacobian matrix 821 . B - matrix from which to construct the preconditioner; often same as `J` 822 - ctx - optional context 823 824 Level: beginner 825 826 .seealso: `DMDA` `DMDATSSetIJacobianLocal()`, `TSIJacobian()`, `DMDATSIFunctionLocal()`, `DMDATSRHSFunctionLocal()`, `DMDATSRHSJacob ianlocal()` 827 S*/ 828 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo *info, PetscReal t, void *x, void *xdot, PetscReal shift, Mat J, Mat B, void *ctx); 829 830 PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM, InsertMode, DMDATSRHSFunctionLocal, void *); 831 PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM, DMDATSRHSJacobianLocal, void *); 832 PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM, InsertMode, DMDATSIFunctionLocal, void *); 833 PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM, DMDATSIJacobianLocal, void *); 834 835 typedef struct _n_TSMonitorLGCtx *TSMonitorLGCtx; 836 typedef struct { 837 Vec ray; 838 VecScatter scatter; 839 PetscViewer viewer; 840 TSMonitorLGCtx lgctx; 841 } TSMonitorDMDARayCtx; 842 PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void **); 843 PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS, PetscInt, PetscReal, Vec, void *); 844 PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS, PetscInt, PetscReal, Vec, void *); 845 846 /* Dynamic creation and loading functions */ 847 PETSC_EXTERN PetscFunctionList TSList; 848 PETSC_EXTERN PetscErrorCode TSGetType(TS, TSType *); 849 PETSC_EXTERN PetscErrorCode TSSetType(TS, TSType); 850 PETSC_EXTERN PetscErrorCode TSRegister(const char[], PetscErrorCode (*)(TS)); 851 852 PETSC_EXTERN PetscErrorCode TSGetSNES(TS, SNES *); 853 PETSC_EXTERN PetscErrorCode TSSetSNES(TS, SNES); 854 PETSC_EXTERN PetscErrorCode TSGetKSP(TS, KSP *); 855 856 PETSC_EXTERN PetscErrorCode TSView(TS, PetscViewer); 857 PETSC_EXTERN PetscErrorCode TSLoad(TS, PetscViewer); 858 PETSC_EXTERN PetscErrorCode TSViewFromOptions(TS, PetscObject, const char[]); 859 PETSC_EXTERN PetscErrorCode TSTrajectoryViewFromOptions(TSTrajectory, PetscObject, const char[]); 860 861 #define TS_FILE_CLASSID 1211225 862 863 PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS, void *); 864 PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS, void *); 865 866 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, TSMonitorLGCtx *); 867 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx *); 868 PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS, PetscInt, PetscReal, Vec, void *); 869 PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS, PetscInt, PetscReal, Vec, void *); 870 PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS, const char *const *); 871 PETSC_EXTERN PetscErrorCode TSMonitorLGGetVariableNames(TS, const char *const **); 872 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetVariableNames(TSMonitorLGCtx, const char *const *); 873 PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS, const char *const *); 874 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetDisplayVariables(TSMonitorLGCtx, const char *const *); 875 PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS, PetscErrorCode (*)(void *, Vec, Vec *), PetscErrorCode (*)(void *), void *); 876 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetTransform(TSMonitorLGCtx, PetscErrorCode (*)(void *, Vec, Vec *), PetscErrorCode (*)(void *), void *); 877 PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS, PetscInt, PetscReal, Vec, void *); 878 PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS, PetscInt, PetscReal, Vec, void *); 879 PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS, PetscInt, PetscReal, Vec, void *); 880 PETSC_EXTERN PetscErrorCode TSMonitorError(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *); 881 PETSC_EXTERN PetscErrorCode TSDMSwarmMonitorMoments(TS, PetscInt, PetscReal, Vec, PetscViewerAndFormat *); 882 883 struct _n_TSMonitorLGCtxNetwork { 884 PetscInt nlg; 885 PetscDrawLG *lg; 886 PetscBool semilogy; 887 PetscInt howoften; /* when > 0 uses step % howoften, when negative only final solution plotted */ 888 }; 889 typedef struct _n_TSMonitorLGCtxNetwork *TSMonitorLGCtxNetwork; 890 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxNetworkDestroy(TSMonitorLGCtxNetwork *); 891 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxNetworkCreate(TS, const char[], const char[], int, int, int, int, PetscInt, TSMonitorLGCtxNetwork *); 892 PETSC_EXTERN PetscErrorCode TSMonitorLGCtxNetworkSolution(TS, PetscInt, PetscReal, Vec, void *); 893 894 typedef struct _n_TSMonitorEnvelopeCtx *TSMonitorEnvelopeCtx; 895 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxCreate(TS, TSMonitorEnvelopeCtx *); 896 PETSC_EXTERN PetscErrorCode TSMonitorEnvelope(TS, PetscInt, PetscReal, Vec, void *); 897 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeGetBounds(TS, Vec *, Vec *); 898 PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxDestroy(TSMonitorEnvelopeCtx *); 899 900 typedef struct _n_TSMonitorSPEigCtx *TSMonitorSPEigCtx; 901 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, TSMonitorSPEigCtx *); 902 PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx *); 903 PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS, PetscInt, PetscReal, Vec, void *); 904 905 typedef struct _n_TSMonitorSPCtx *TSMonitorSPCtx; 906 PETSC_EXTERN PetscErrorCode TSMonitorSPCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, PetscInt, PetscBool, PetscBool, TSMonitorSPCtx *); 907 PETSC_EXTERN PetscErrorCode TSMonitorSPCtxDestroy(TSMonitorSPCtx *); 908 PETSC_EXTERN PetscErrorCode TSMonitorSPSwarmSolution(TS, PetscInt, PetscReal, Vec, void *); 909 910 typedef struct _n_TSMonitorHGCtx *TSMonitorHGCtx; 911 PETSC_EXTERN PetscErrorCode TSMonitorHGCtxCreate(MPI_Comm, const char[], const char[], int, int, int, int, PetscInt, PetscInt, PetscInt, PetscBool, TSMonitorHGCtx *); 912 PETSC_EXTERN PetscErrorCode TSMonitorHGSwarmSolution(TS, PetscInt, PetscReal, Vec, void *); 913 PETSC_EXTERN PetscErrorCode TSMonitorHGCtxDestroy(TSMonitorHGCtx *); 914 PETSC_EXTERN PetscErrorCode TSMonitorHGSwarmSolution(TS, PetscInt, PetscReal, Vec, void *); 915 916 PETSC_EXTERN PetscErrorCode TSSetEventHandler(TS, PetscInt, PetscInt[], PetscBool[], PetscErrorCode (*)(TS, PetscReal, Vec, PetscScalar[], void *), PetscErrorCode (*)(TS, PetscInt, PetscInt[], PetscReal, Vec, PetscBool, void *), void *); 917 PETSC_EXTERN PetscErrorCode TSSetPostEventIntervalStep(TS, PetscReal); 918 PETSC_EXTERN PetscErrorCode TSSetEventTolerances(TS, PetscReal, PetscReal[]); 919 PETSC_EXTERN PetscErrorCode TSGetNumEvents(TS, PetscInt *); 920 921 /*J 922 TSSSPType - string with the name of a `TSSSP` scheme. 923 924 Level: beginner 925 926 .seealso: [](ch_ts), `TSSSPSetType()`, `TS`, `TSSSP` 927 J*/ 928 typedef const char *TSSSPType; 929 #define TSSSPRKS2 "rks2" 930 #define TSSSPRKS3 "rks3" 931 #define TSSSPRK104 "rk104" 932 933 PETSC_EXTERN PetscErrorCode TSSSPSetType(TS, TSSSPType); 934 PETSC_EXTERN PetscErrorCode TSSSPGetType(TS, TSSSPType *); 935 PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS, PetscInt); 936 PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS, PetscInt *); 937 PETSC_EXTERN PetscErrorCode TSSSPInitializePackage(void); 938 PETSC_EXTERN PetscErrorCode TSSSPFinalizePackage(void); 939 PETSC_EXTERN PetscFunctionList TSSSPList; 940 941 /*S 942 TSAdapt - Abstract object that manages time-step adaptivity 943 944 Level: beginner 945 946 .seealso: [](ch_ts), `TS`, `TSAdaptCreate()`, `TSAdaptType` 947 S*/ 948 typedef struct _p_TSAdapt *TSAdapt; 949 950 /*J 951 TSAdaptType - String with the name of `TSAdapt` scheme. 952 953 Level: beginner 954 955 .seealso: [](ch_ts), `TSAdaptSetType()`, `TS`, `TSAdapt` 956 J*/ 957 typedef const char *TSAdaptType; 958 #define TSADAPTNONE "none" 959 #define TSADAPTBASIC "basic" 960 #define TSADAPTDSP "dsp" 961 #define TSADAPTCFL "cfl" 962 #define TSADAPTGLEE "glee" 963 #define TSADAPTHISTORY "history" 964 965 PETSC_EXTERN PetscErrorCode TSGetAdapt(TS, TSAdapt *); 966 PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[], PetscErrorCode (*)(TSAdapt)); 967 PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void); 968 PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void); 969 PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm, TSAdapt *); 970 PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt, TSAdaptType); 971 PETSC_EXTERN PetscErrorCode TSAdaptGetType(TSAdapt, TSAdaptType *); 972 PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt, const char[]); 973 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt); 974 PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt, const char[], PetscInt, PetscInt, PetscReal, PetscReal, PetscBool); 975 PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt, PetscInt *, const PetscInt **, const PetscInt **, const PetscReal **, const PetscReal **); 976 PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt, TS, PetscReal, PetscInt *, PetscReal *, PetscBool *); 977 PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt, TS, PetscReal, Vec, PetscBool *); 978 PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt, PetscViewer); 979 PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt, PetscViewer); 980 PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(TSAdapt, PetscOptionItems *); 981 PETSC_EXTERN PetscErrorCode TSAdaptReset(TSAdapt); 982 PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt *); 983 PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt, PetscBool); 984 PETSC_EXTERN PetscErrorCode TSAdaptSetAlwaysAccept(TSAdapt, PetscBool); 985 PETSC_EXTERN PetscErrorCode TSAdaptSetSafety(TSAdapt, PetscReal, PetscReal); 986 PETSC_EXTERN PetscErrorCode TSAdaptGetSafety(TSAdapt, PetscReal *, PetscReal *); 987 PETSC_EXTERN PetscErrorCode TSAdaptSetMaxIgnore(TSAdapt, PetscReal); 988 PETSC_EXTERN PetscErrorCode TSAdaptGetMaxIgnore(TSAdapt, PetscReal *); 989 PETSC_EXTERN PetscErrorCode TSAdaptSetClip(TSAdapt, PetscReal, PetscReal); 990 PETSC_EXTERN PetscErrorCode TSAdaptGetClip(TSAdapt, PetscReal *, PetscReal *); 991 PETSC_EXTERN PetscErrorCode TSAdaptSetScaleSolveFailed(TSAdapt, PetscReal); 992 PETSC_EXTERN PetscErrorCode TSAdaptGetScaleSolveFailed(TSAdapt, PetscReal *); 993 PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt, PetscReal, PetscReal); 994 PETSC_EXTERN PetscErrorCode TSAdaptGetStepLimits(TSAdapt, PetscReal *, PetscReal *); 995 PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt, PetscErrorCode (*)(TSAdapt, TS, PetscReal, Vec, PetscBool *)); 996 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetHistory(TSAdapt, PetscInt n, PetscReal hist[], PetscBool); 997 PETSC_EXTERN PetscErrorCode TSAdaptHistorySetTrajectory(TSAdapt, TSTrajectory, PetscBool); 998 PETSC_EXTERN PetscErrorCode TSAdaptHistoryGetStep(TSAdapt, PetscInt, PetscReal *, PetscReal *); 999 PETSC_EXTERN PetscErrorCode TSAdaptSetTimeStepIncreaseDelay(TSAdapt, PetscInt); 1000 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetFilter(TSAdapt, const char *); 1001 PETSC_EXTERN PetscErrorCode TSAdaptDSPSetPID(TSAdapt, PetscReal, PetscReal, PetscReal); 1002 1003 /*S 1004 TSGLLEAdapt - Abstract object that manages time-step adaptivity for `TSGLLE` 1005 1006 Level: beginner 1007 1008 Developer Note: 1009 This functionality should be replaced by the `TSAdapt`. 1010 1011 .seealso: [](ch_ts), `TS`, `TSGLLE`, `TSGLLEAdaptCreate()`, `TSGLLEAdaptType` 1012 S*/ 1013 typedef struct _p_TSGLLEAdapt *TSGLLEAdapt; 1014 1015 /*J 1016 TSGLLEAdaptType - String with the name of `TSGLLEAdapt` scheme 1017 1018 Level: beginner 1019 1020 Developer Note: 1021 This functionality should be replaced by the `TSAdaptType`. 1022 1023 .seealso: [](ch_ts), `TSGLLEAdaptSetType()`, `TS` 1024 J*/ 1025 typedef const char *TSGLLEAdaptType; 1026 #define TSGLLEADAPT_NONE "none" 1027 #define TSGLLEADAPT_SIZE "size" 1028 #define TSGLLEADAPT_BOTH "both" 1029 1030 PETSC_EXTERN PetscErrorCode TSGLLEAdaptRegister(const char[], PetscErrorCode (*)(TSGLLEAdapt)); 1031 PETSC_EXTERN PetscErrorCode TSGLLEAdaptInitializePackage(void); 1032 PETSC_EXTERN PetscErrorCode TSGLLEAdaptFinalizePackage(void); 1033 PETSC_EXTERN PetscErrorCode TSGLLEAdaptCreate(MPI_Comm, TSGLLEAdapt *); 1034 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetType(TSGLLEAdapt, TSGLLEAdaptType); 1035 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetOptionsPrefix(TSGLLEAdapt, const char[]); 1036 PETSC_EXTERN PetscErrorCode TSGLLEAdaptChoose(TSGLLEAdapt, PetscInt, const PetscInt[], const PetscReal[], const PetscReal[], PetscInt, PetscReal, PetscReal, PetscInt *, PetscReal *, PetscBool *); 1037 PETSC_EXTERN PetscErrorCode TSGLLEAdaptView(TSGLLEAdapt, PetscViewer); 1038 PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetFromOptions(TSGLLEAdapt, PetscOptionItems *); 1039 PETSC_EXTERN PetscErrorCode TSGLLEAdaptDestroy(TSGLLEAdapt *); 1040 1041 /*J 1042 TSGLLEAcceptType - String with the name of `TSGLLEAccept` scheme 1043 1044 Level: beginner 1045 1046 .seealso: [](ch_ts), `TSGLLESetAcceptType()`, `TS`, `TSGLLEAccept` 1047 J*/ 1048 typedef const char *TSGLLEAcceptType; 1049 #define TSGLLEACCEPT_ALWAYS "always" 1050 1051 PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLLEAcceptFunction)(TS, PetscReal, PetscReal, const PetscReal[], PetscBool *); 1052 PETSC_EXTERN PetscErrorCode TSGLLEAcceptRegister(const char[], TSGLLEAcceptFunction); 1053 1054 /*J 1055 TSGLLEType - string with the name of a General Linear `TSGLLE` type 1056 1057 Level: beginner 1058 1059 .seealso: [](ch_ts), `TS`, `TSGLLE`, `TSGLLESetType()`, `TSGLLERegister()`, `TSGLLEAccept` 1060 J*/ 1061 typedef const char *TSGLLEType; 1062 #define TSGLLE_IRKS "irks" 1063 1064 PETSC_EXTERN PetscErrorCode TSGLLERegister(const char[], PetscErrorCode (*)(TS)); 1065 PETSC_EXTERN PetscErrorCode TSGLLEInitializePackage(void); 1066 PETSC_EXTERN PetscErrorCode TSGLLEFinalizePackage(void); 1067 PETSC_EXTERN PetscErrorCode TSGLLESetType(TS, TSGLLEType); 1068 PETSC_EXTERN PetscErrorCode TSGLLEGetAdapt(TS, TSGLLEAdapt *); 1069 PETSC_EXTERN PetscErrorCode TSGLLESetAcceptType(TS, TSGLLEAcceptType); 1070 1071 /*J 1072 TSEIMEXType - String with the name of an Extrapolated IMEX `TSEIMEX` type 1073 1074 Level: beginner 1075 1076 .seealso: [](ch_ts), `TSEIMEXSetType()`, `TS`, `TSEIMEX`, `TSEIMEXRegister()` 1077 J*/ 1078 #define TSEIMEXType char * 1079 1080 PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts, PetscInt); 1081 PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts, PetscInt, PetscInt); 1082 PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS, PetscBool); 1083 1084 /*J 1085 TSRKType - String with the name of a Runge-Kutta `TSRK` type 1086 1087 Level: beginner 1088 1089 .seealso: [](ch_ts), `TS`, `TSRKSetType()`, `TS`, `TSRK`, `TSRKRegister()` 1090 J*/ 1091 typedef const char *TSRKType; 1092 #define TSRK1FE "1fe" 1093 #define TSRK2A "2a" 1094 #define TSRK2B "2b" 1095 #define TSRK3 "3" 1096 #define TSRK3BS "3bs" 1097 #define TSRK4 "4" 1098 #define TSRK5F "5f" 1099 #define TSRK5DP "5dp" 1100 #define TSRK5BS "5bs" 1101 #define TSRK6VR "6vr" 1102 #define TSRK7VR "7vr" 1103 #define TSRK8VR "8vr" 1104 1105 PETSC_EXTERN PetscErrorCode TSRKGetOrder(TS, PetscInt *); 1106 PETSC_EXTERN PetscErrorCode TSRKGetType(TS, TSRKType *); 1107 PETSC_EXTERN PetscErrorCode TSRKSetType(TS, TSRKType); 1108 PETSC_EXTERN PetscErrorCode TSRKGetTableau(TS, PetscInt *, const PetscReal **, const PetscReal **, const PetscReal **, const PetscReal **, PetscInt *, const PetscReal **, PetscBool *); 1109 PETSC_EXTERN PetscErrorCode TSRKSetMultirate(TS, PetscBool); 1110 PETSC_EXTERN PetscErrorCode TSRKGetMultirate(TS, PetscBool *); 1111 PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType, PetscInt, PetscInt, const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], PetscInt, const PetscReal[]); 1112 PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void); 1113 PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void); 1114 PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void); 1115 1116 /*J 1117 TSMPRKType - String with the name of a Partitioned Runge-Kutta `TSMPRK` type 1118 1119 Level: beginner 1120 1121 .seealso: [](ch_ts), `TSMPRKSetType()`, `TS`, `TSMPRK`, `TSMPRKRegister()` 1122 J*/ 1123 typedef const char *TSMPRKType; 1124 #define TSMPRK2A22 "2a22" 1125 #define TSMPRK2A23 "2a23" 1126 #define TSMPRK2A32 "2a32" 1127 #define TSMPRK2A33 "2a33" 1128 #define TSMPRKP2 "p2" 1129 #define TSMPRKP3 "p3" 1130 1131 PETSC_EXTERN PetscErrorCode TSMPRKGetType(TS ts, TSMPRKType *); 1132 PETSC_EXTERN PetscErrorCode TSMPRKSetType(TS ts, TSMPRKType); 1133 PETSC_EXTERN PetscErrorCode TSMPRKRegister(TSMPRKType, PetscInt, PetscInt, PetscInt, PetscInt, const PetscReal[], const PetscReal[], const PetscReal[], const PetscInt[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscInt[], const PetscReal[], const PetscReal[], const PetscReal[]); 1134 PETSC_EXTERN PetscErrorCode TSMPRKInitializePackage(void); 1135 PETSC_EXTERN PetscErrorCode TSMPRKFinalizePackage(void); 1136 PETSC_EXTERN PetscErrorCode TSMPRKRegisterDestroy(void); 1137 1138 /*J 1139 TSIRKType - String with the name of an implicit Runge-Kutta `TSIRK` type 1140 1141 Level: beginner 1142 1143 .seealso: [](ch_ts), `TSIRKSetType()`, `TS`, `TSIRK`, `TSIRKRegister()` 1144 J*/ 1145 typedef const char *TSIRKType; 1146 #define TSIRKGAUSS "gauss" 1147 1148 PETSC_EXTERN PetscErrorCode TSIRKGetType(TS, TSIRKType *); 1149 PETSC_EXTERN PetscErrorCode TSIRKSetType(TS, TSIRKType); 1150 PETSC_EXTERN PetscErrorCode TSIRKGetNumStages(TS, PetscInt *); 1151 PETSC_EXTERN PetscErrorCode TSIRKSetNumStages(TS, PetscInt); 1152 PETSC_EXTERN PetscErrorCode TSIRKRegister(const char[], PetscErrorCode (*function)(TS)); 1153 PETSC_EXTERN PetscErrorCode TSIRKTableauCreate(TS, PetscInt, const PetscReal *, const PetscReal *, const PetscReal *, const PetscReal *, const PetscScalar *, const PetscScalar *, const PetscScalar *); 1154 PETSC_EXTERN PetscErrorCode TSIRKInitializePackage(void); 1155 PETSC_EXTERN PetscErrorCode TSIRKFinalizePackage(void); 1156 PETSC_EXTERN PetscErrorCode TSIRKRegisterDestroy(void); 1157 1158 /*J 1159 TSGLEEType - String with the name of a General Linear with Error Estimation `TSGLEE` type 1160 1161 Level: beginner 1162 1163 .seealso: [](ch_ts), `TSGLEESetType()`, `TS`, `TSGLEE`, `TSGLEERegister()` 1164 J*/ 1165 typedef const char *TSGLEEType; 1166 #define TSGLEEi1 "BE1" 1167 #define TSGLEE23 "23" 1168 #define TSGLEE24 "24" 1169 #define TSGLEE25I "25i" 1170 #define TSGLEE35 "35" 1171 #define TSGLEEEXRK2A "exrk2a" 1172 #define TSGLEERK32G1 "rk32g1" 1173 #define TSGLEERK285EX "rk285ex" 1174 1175 /*J 1176 TSGLEEMode - String with the mode of error estimation for a General Linear with Error Estimation `TSGLEE` type 1177 1178 Level: beginner 1179 1180 .seealso: [](ch_ts), `TSGLEESetMode()`, `TS`, `TSGLEE`, `TSGLEERegister()` 1181 J*/ 1182 PETSC_EXTERN PetscErrorCode TSGLEEGetType(TS ts, TSGLEEType *); 1183 PETSC_EXTERN PetscErrorCode TSGLEESetType(TS ts, TSGLEEType); 1184 PETSC_EXTERN PetscErrorCode TSGLEERegister(TSGLEEType, PetscInt, PetscInt, PetscInt, PetscReal, const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], PetscInt, const PetscReal[]); 1185 PETSC_EXTERN PetscErrorCode TSGLEEFinalizePackage(void); 1186 PETSC_EXTERN PetscErrorCode TSGLEEInitializePackage(void); 1187 PETSC_EXTERN PetscErrorCode TSGLEERegisterDestroy(void); 1188 1189 /*J 1190 TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX `TSARKIMEX` type 1191 1192 Level: beginner 1193 1194 .seealso: [](ch_ts), `TSARKIMEXSetType()`, `TS`, `TSARKIMEX`, `TSARKIMEXRegister()` 1195 J*/ 1196 typedef const char *TSARKIMEXType; 1197 #define TSARKIMEX1BEE "1bee" 1198 #define TSARKIMEXA2 "a2" 1199 #define TSARKIMEXL2 "l2" 1200 #define TSARKIMEXARS122 "ars122" 1201 #define TSARKIMEX2C "2c" 1202 #define TSARKIMEX2D "2d" 1203 #define TSARKIMEX2E "2e" 1204 #define TSARKIMEXPRSSP2 "prssp2" 1205 #define TSARKIMEX3 "3" 1206 #define TSARKIMEXBPR3 "bpr3" 1207 #define TSARKIMEXARS443 "ars443" 1208 #define TSARKIMEX4 "4" 1209 #define TSARKIMEX5 "5" 1210 PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts, TSARKIMEXType *); 1211 PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts, TSARKIMEXType); 1212 PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS, PetscBool); 1213 PETSC_EXTERN PetscErrorCode TSARKIMEXGetFullyImplicit(TS, PetscBool *); 1214 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[]); 1215 PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void); 1216 PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void); 1217 PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void); 1218 1219 /*J 1220 TSRosWType - String with the name of a Rosenbrock-W `TSROSW` type 1221 1222 Level: beginner 1223 1224 .seealso: [](ch_ts), `TSRosWSetType()`, `TS`, `TSROSW`, `TSRosWRegister()` 1225 J*/ 1226 typedef const char *TSRosWType; 1227 #define TSROSW2M "2m" 1228 #define TSROSW2P "2p" 1229 #define TSROSWRA3PW "ra3pw" 1230 #define TSROSWRA34PW2 "ra34pw2" 1231 #define TSROSWRODAS3 "rodas3" 1232 #define TSROSWSANDU3 "sandu3" 1233 #define TSROSWASSP3P3S1C "assp3p3s1c" 1234 #define TSROSWLASSP3P4S2C "lassp3p4s2c" 1235 #define TSROSWLLSSP3P4S2C "llssp3p4s2c" 1236 #define TSROSWARK3 "ark3" 1237 #define TSROSWTHETA1 "theta1" 1238 #define TSROSWTHETA2 "theta2" 1239 #define TSROSWGRK4T "grk4t" 1240 #define TSROSWSHAMP4 "shamp4" 1241 #define TSROSWVELDD4 "veldd4" 1242 #define TSROSW4L "4l" 1243 1244 PETSC_EXTERN PetscErrorCode TSRosWGetType(TS, TSRosWType *); 1245 PETSC_EXTERN PetscErrorCode TSRosWSetType(TS, TSRosWType); 1246 PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS, PetscBool); 1247 PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType, PetscInt, PetscInt, const PetscReal[], const PetscReal[], const PetscReal[], const PetscReal[], PetscInt, const PetscReal[]); 1248 PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType, PetscReal, PetscReal, PetscReal, PetscReal, PetscReal); 1249 PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void); 1250 PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void); 1251 PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void); 1252 1253 PETSC_EXTERN PetscErrorCode TSBDFSetOrder(TS, PetscInt); 1254 PETSC_EXTERN PetscErrorCode TSBDFGetOrder(TS, PetscInt *); 1255 1256 /*J 1257 TSBasicSymplecticType - String with the name of a basic symplectic integration `TSBASICSYMPLECTIC` type 1258 1259 Level: beginner 1260 1261 .seealso: [](ch_ts), `TSBasicSymplecticSetType()`, `TS`, `TSBASICSYMPLECTIC`, `TSBasicSymplecticRegister()` 1262 J*/ 1263 typedef const char *TSBasicSymplecticType; 1264 #define TSBASICSYMPLECTICSIEULER "1" 1265 #define TSBASICSYMPLECTICVELVERLET "2" 1266 #define TSBASICSYMPLECTIC3 "3" 1267 #define TSBASICSYMPLECTIC4 "4" 1268 PETSC_EXTERN PetscErrorCode TSBasicSymplecticSetType(TS, TSBasicSymplecticType); 1269 PETSC_EXTERN PetscErrorCode TSBasicSymplecticGetType(TS, TSBasicSymplecticType *); 1270 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegister(TSBasicSymplecticType, PetscInt, PetscInt, PetscReal[], PetscReal[]); 1271 PETSC_EXTERN PetscErrorCode TSBasicSymplecticInitializePackage(void); 1272 PETSC_EXTERN PetscErrorCode TSBasicSymplecticFinalizePackage(void); 1273 PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegisterDestroy(void); 1274 1275 /*J 1276 TSDISCGRAD - The Discrete Gradient integrator is a timestepper for Hamiltonian systems designed to conserve the first integral (energy), 1277 but also has the property for some systems of monotonicity in a functional. 1278 1279 Level: beginner 1280 1281 .seealso: [](ch_ts), `TS`, TSDiscGradSetFormulation()`, `TSDiscGradGetFormulation()` 1282 J*/ 1283 PETSC_EXTERN PetscErrorCode TSDiscGradSetFormulation(TS, PetscErrorCode (*)(TS, PetscReal, Vec, Mat, void *), PetscErrorCode (*)(TS, PetscReal, Vec, PetscScalar *, void *), PetscErrorCode (*)(TS, PetscReal, Vec, Vec, void *), void *); 1284 PETSC_EXTERN PetscErrorCode TSDiscGradIsGonzalez(TS, PetscBool *); 1285 PETSC_EXTERN PetscErrorCode TSDiscGradUseGonzalez(TS, PetscBool); 1286 1287 /* 1288 PETSc interface to Sundials 1289 */ 1290 #ifdef PETSC_HAVE_SUNDIALS2 1291 typedef enum { 1292 SUNDIALS_ADAMS = 1, 1293 SUNDIALS_BDF = 2 1294 } TSSundialsLmmType; 1295 PETSC_EXTERN const char *const TSSundialsLmmTypes[]; 1296 typedef enum { 1297 SUNDIALS_MODIFIED_GS = 1, 1298 SUNDIALS_CLASSICAL_GS = 2 1299 } TSSundialsGramSchmidtType; 1300 PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[]; 1301 PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS, TSSundialsLmmType); 1302 PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS, PC *); 1303 PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS, PetscReal, PetscReal); 1304 PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS, PetscReal); 1305 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS, PetscReal); 1306 PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS, PetscInt *, PetscInt *); 1307 PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS, TSSundialsGramSchmidtType); 1308 PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS, PetscInt); 1309 PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS, PetscReal); 1310 PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS, PetscBool); 1311 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS, PetscInt); 1312 PETSC_EXTERN PetscErrorCode TSSundialsSetMaxord(TS, PetscInt); 1313 PETSC_EXTERN PetscErrorCode TSSundialsSetUseDense(TS, PetscBool); 1314 #endif 1315 1316 PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS, PetscReal); 1317 PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS, PetscReal *); 1318 PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS, PetscBool *); 1319 PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS, PetscBool); 1320 1321 PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS, PetscReal); 1322 PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS, PetscReal, PetscReal, PetscReal); 1323 PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS, PetscReal *, PetscReal *, PetscReal *); 1324 1325 PETSC_EXTERN PetscErrorCode TSAlpha2SetRadius(TS, PetscReal); 1326 PETSC_EXTERN PetscErrorCode TSAlpha2SetParams(TS, PetscReal, PetscReal, PetscReal, PetscReal); 1327 PETSC_EXTERN PetscErrorCode TSAlpha2GetParams(TS, PetscReal *, PetscReal *, PetscReal *, PetscReal *); 1328 1329 PETSC_EXTERN PetscErrorCode TSSetDM(TS, DM); 1330 PETSC_EXTERN PetscErrorCode TSGetDM(TS, DM *); 1331 1332 PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES, Vec, Vec, void *); 1333 PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES, Vec, Mat, Mat, void *); 1334 1335 PETSC_EXTERN PetscErrorCode TSRHSJacobianTest(TS, PetscBool *); 1336 PETSC_EXTERN PetscErrorCode TSRHSJacobianTestTranspose(TS, PetscBool *); 1337 1338 PETSC_EXTERN PetscErrorCode TSGetComputeInitialCondition(TS, PetscErrorCode (**)(TS, Vec)); 1339 PETSC_EXTERN PetscErrorCode TSSetComputeInitialCondition(TS, PetscErrorCode (*)(TS, Vec)); 1340 PETSC_EXTERN PetscErrorCode TSComputeInitialCondition(TS, Vec); 1341 PETSC_EXTERN PetscErrorCode TSGetComputeExactError(TS, PetscErrorCode (**)(TS, Vec, Vec)); 1342 PETSC_EXTERN PetscErrorCode TSSetComputeExactError(TS, PetscErrorCode (*)(TS, Vec, Vec)); 1343 PETSC_EXTERN PetscErrorCode TSComputeExactError(TS, Vec, Vec); 1344 PETSC_EXTERN PetscErrorCode PetscConvEstUseTS(PetscConvEst, PetscBool); 1345 1346 PETSC_EXTERN PetscErrorCode TSSetMatStructure(TS, MatStructure); 1347 #endif 1348