Actual source code: petscts.h
petsc-3.7.1 2016-05-15
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      1: /*
      2:    User interface for the timestepping package. This package
      3:    is for use in solving time-dependent PDEs.
      4: */
      7: #include <petscsnes.h>

      9: /*S
     10:      TS - Abstract PETSc object that manages all time-steppers (ODE integrators)

     12:    Level: beginner

     14:   Concepts: ODE solvers

     16: .seealso:  TSCreate(), TSSetType(), TSType, SNES, KSP, PC, TSDestroy()
     17: S*/
     18: typedef struct _p_TS* TS;

     20: /*J
     21:     TSType - String with the name of a PETSc TS method.

     23:    Level: beginner

     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 TSALPHA2          "alpha2"
     38: #define TSGL              "gl"
     39: #define TSSSP             "ssp"
     40: #define TSARKIMEX         "arkimex"
     41: #define TSROSW            "rosw"
     42: #define TSEIMEX           "eimex"
     43: #define TSMIMEX           "mimex"
     44: #define TSBDF             "bdf"

     46: /*E
     47:     TSProblemType - Determines the type of problem this TS object is to be used to solve

     49:    Level: beginner

     51: .seealso: TSCreate()
     52: E*/
     53: typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType;

     55: /*E
     56:    TSEquationType - type of TS problem that is solved

     58:    Level: beginner

     60:    Developer Notes: this must match petsc/finclude/petscts.h

     62:    Supported types are:
     63:      TS_EQ_UNSPECIFIED (default)
     64:      TS_EQ_EXPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) := M(t) U_t - G(U,t) = 0
     65:      TS_EQ_IMPLICIT {ODE and DAE index 1, 2, 3, HI}: F(t,U,U_t) = 0

     67: .seealso: TSGetEquationType(), TSSetEquationType()
     68: E*/
     69: typedef enum {
     70:   TS_EQ_UNSPECIFIED               = -1,
     71:   TS_EQ_EXPLICIT                  = 0,
     72:   TS_EQ_ODE_EXPLICIT              = 1,
     73:   TS_EQ_DAE_SEMI_EXPLICIT_INDEX1  = 100,
     74:   TS_EQ_DAE_SEMI_EXPLICIT_INDEX2  = 200,
     75:   TS_EQ_DAE_SEMI_EXPLICIT_INDEX3  = 300,
     76:   TS_EQ_DAE_SEMI_EXPLICIT_INDEXHI = 500,
     77:   TS_EQ_IMPLICIT                  = 1000,
     78:   TS_EQ_ODE_IMPLICIT              = 1001,
     79:   TS_EQ_DAE_IMPLICIT_INDEX1       = 1100,
     80:   TS_EQ_DAE_IMPLICIT_INDEX2       = 1200,
     81:   TS_EQ_DAE_IMPLICIT_INDEX3       = 1300,
     82:   TS_EQ_DAE_IMPLICIT_INDEXHI      = 1500
     83: } TSEquationType;
     84: PETSC_EXTERN const char *const*TSEquationTypes;

     86: /*E
     87:    TSConvergedReason - reason a TS method has converged or not

     89:    Level: beginner

     91:    Developer Notes: this must match petsc/finclude/petscts.h

     93:    Each reason has its own manual page.

     95: .seealso: TSGetConvergedReason()
     96: E*/
     97: typedef enum {
     98:   TS_CONVERGED_ITERATING      = 0,
     99:   TS_CONVERGED_TIME           = 1,
    100:   TS_CONVERGED_ITS            = 2,
    101:   TS_CONVERGED_USER           = 3,
    102:   TS_CONVERGED_EVENT          = 4,
    103:   TS_CONVERGED_PSEUDO_FATOL   = 5,
    104:   TS_CONVERGED_PSEUDO_FRTOL   = 6,
    105:   TS_DIVERGED_NONLINEAR_SOLVE = -1,
    106:   TS_DIVERGED_STEP_REJECTED   = -2
    107: } TSConvergedReason;
    108: PETSC_EXTERN const char *const*TSConvergedReasons;

    110: /*MC
    111:    TS_CONVERGED_ITERATING - this only occurs if TSGetConvergedReason() is called during the TSSolve()

    113:    Level: beginner

    115: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
    116: M*/

    118: /*MC
    119:    TS_CONVERGED_TIME - the final time was reached

    121:    Level: beginner

    123: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetDuration(), TSGetSolveTime()
    124: M*/

    126: /*MC
    127:    TS_CONVERGED_ITS - the maximum number of iterations (time-steps) was reached prior to the final time

    129:    Level: beginner

    131: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetDuration()
    132: M*/

    134: /*MC
    135:    TS_CONVERGED_USER - user requested termination

    137:    Level: beginner

    139: .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TSSetDuration()
    140: M*/

    142: /*MC
    143:    TS_CONVERGED_EVENT - user requested termination on event detection

    145:    Level: beginner

    147: .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TSSetDuration()
    148: M*/

    150: /*MC
    151:    TS_CONVERGED_PSEUDO_FRTOL - stops when function norm decreased by a set amount, used only for TSPSEUDO

    153:    Level: beginner

    155:    Options Database:
    156: .   -ts_pseudo_frtol <rtol>

    158: .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TSSetDuration(), TS_CONVERGED_PSEUDO_FATOL
    159: M*/

    161: /*MC
    162:    TS_CONVERGED_PSEUDO_FATOL - stops when function norm decreases below a set amount, used only for TSPSEUDO

    164:    Level: beginner

    166:    Options Database:
    167: .   -ts_pseudo_fatol <atol>

    169: .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TSSetDuration(), TS_CONVERGED_PSEUDO_FRTOL
    170: M*/

    172: /*MC
    173:    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed

    175:    Level: beginner

    177:    Notes: See TSSetMaxSNESFailures() for how to allow more nonlinear solver failures.

    179: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSGetSNES(), SNESGetConvergedReason(), TSSetMaxSNESFailures()
    180: M*/

    182: /*MC
    183:    TS_DIVERGED_STEP_REJECTED - too many steps were rejected

    185:    Level: beginner

    187:    Notes: See TSSetMaxStepRejections() for how to allow more step rejections.

    189: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxStepRejections()
    190: M*/

    192: /*E
    193:    TSExactFinalTimeOption - option for handling of final time step

    195:    Level: beginner

    197:    Developer Notes: this must match petsc/finclude/petscts.h

    199: $  TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
    200: $  TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
    201: $  TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time

    203: .seealso: TSGetConvergedReason(), TSSetExactFinalTime()

    205: E*/
    206: typedef enum {TS_EXACTFINALTIME_UNSPECIFIED=0,TS_EXACTFINALTIME_STEPOVER=1,TS_EXACTFINALTIME_INTERPOLATE=2,TS_EXACTFINALTIME_MATCHSTEP=3} TSExactFinalTimeOption;
    207: PETSC_EXTERN const char *const TSExactFinalTimeOptions[];

    210: /* Logging support */
    211: PETSC_EXTERN PetscClassId TS_CLASSID;
    212: PETSC_EXTERN PetscClassId DMTS_CLASSID;
    213: PETSC_EXTERN PetscClassId TSADAPT_CLASSID;

    215: PETSC_EXTERN PetscErrorCode TSInitializePackage(void);
    216: PETSC_EXTERN PetscErrorCode TSFinalizePackage(void);

    218: PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm,TS*);
    219: PETSC_EXTERN PetscErrorCode TSClone(TS,TS*);
    220: PETSC_EXTERN PetscErrorCode TSDestroy(TS*);

    222: PETSC_EXTERN PetscErrorCode TSSetProblemType(TS,TSProblemType);
    223: PETSC_EXTERN PetscErrorCode TSGetProblemType(TS,TSProblemType*);
    224: PETSC_EXTERN PetscErrorCode TSMonitor(TS,PetscInt,PetscReal,Vec);
    225: PETSC_EXTERN PetscErrorCode TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
    226: PETSC_EXTERN PetscErrorCode TSMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));
    227: PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);

    229: PETSC_EXTERN PetscErrorCode TSAdjointMonitor(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*);
    230: PETSC_EXTERN PetscErrorCode TSAdjointMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*),void *,PetscErrorCode (*)(void**));
    231: PETSC_EXTERN PetscErrorCode TSAdjointMonitorCancel(TS);
    232: PETSC_EXTERN PetscErrorCode TSAdjointMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));

    234: PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS,const char[]);
    235: PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS,const char[]);
    236: PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS,const char *[]);
    237: PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
    238: PETSC_EXTERN PetscErrorCode TSSetUp(TS);
    239: PETSC_EXTERN PetscErrorCode TSReset(TS);

    241: PETSC_EXTERN PetscErrorCode TSSetSolution(TS,Vec);
    242: PETSC_EXTERN PetscErrorCode TSGetSolution(TS,Vec*);

    244: PETSC_EXTERN PetscErrorCode TS2SetSolution(TS,Vec,Vec);
    245: PETSC_EXTERN PetscErrorCode TS2GetSolution(TS,Vec*,Vec*);

    247: /*S
    248:      TSTrajectory - Abstract PETSc object that storing the trajectory (solution of ODE/ADE at each time step and stage)

    250:    Level: advanced

    252:   Concepts: ODE solvers, adjoint

    254: .seealso:  TSCreate(), TSSetType(), TSType, SNES, KSP, PC, TSDestroy()
    255: S*/
    256: typedef struct _p_TSTrajectory* TSTrajectory;

    258: /*J
    259:     TSTrajectoryType - String with the name of a PETSc TS trajectory storage method

    261:    Level: intermediate

    263: .seealso: TSSetType(), TS, TSRegister(), TSTrajectoryCreate(), TSTrajectorySetType()
    264: J*/
    265: typedef const char* TSTrajectoryType;
    266: #define TSTRAJECTORYBASIC         "basic"
    267: #define TSTRAJECTORYSINGLEFILE    "singlefile"
    268: #define TSTRAJECTORYMEMORY        "memory"
    269: #define TSTRAJECTORYVISUALIZATION "visualization"

    271: PETSC_EXTERN PetscFunctionList TSTrajectoryList;
    272: PETSC_EXTERN PetscClassId      TSTRAJECTORY_CLASSID;
    273: PETSC_EXTERN PetscBool         TSTrajectoryRegisterAllCalled;

    275: PETSC_EXTERN PetscErrorCode TSSetSaveTrajectory(TS);

    277: PETSC_EXTERN PetscErrorCode TSTrajectoryCreate(MPI_Comm,TSTrajectory*);
    278: PETSC_EXTERN PetscErrorCode TSTrajectoryDestroy(TSTrajectory*);
    279: PETSC_EXTERN PetscErrorCode TSTrajectoryView(TSTrajectory,PetscViewer);
    280: PETSC_EXTERN PetscErrorCode TSTrajectorySetType(TSTrajectory,TS,const TSTrajectoryType);
    281: PETSC_EXTERN PetscErrorCode TSTrajectorySet(TSTrajectory,TS,PetscInt,PetscReal,Vec);
    282: PETSC_EXTERN PetscErrorCode TSTrajectoryGet(TSTrajectory,TS,PetscInt,PetscReal*);
    283: PETSC_EXTERN PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory,TS);
    284: PETSC_EXTERN PetscErrorCode TSTrajectoryRegister(const char[],PetscErrorCode (*)(TSTrajectory,TS));
    285: PETSC_EXTERN PetscErrorCode TSTrajectoryRegisterAll(void);
    286: PETSC_EXTERN PetscErrorCode TSTrajectorySetUp(TSTrajectory,TS);

    288: PETSC_EXTERN PetscErrorCode TSSetCostGradients(TS,PetscInt,Vec*,Vec*);
    289: PETSC_EXTERN PetscErrorCode TSGetCostGradients(TS,PetscInt*,Vec**,Vec**);
    290: PETSC_EXTERN PetscErrorCode TSSetCostIntegrand(TS,PetscInt,PetscErrorCode (*)(TS,PetscReal,Vec,Vec,void*),PetscErrorCode (*)(TS,PetscReal,Vec,Vec*,void*),PetscErrorCode (*)(TS,PetscReal,Vec,Vec*,void*),PetscBool,void*);
    291: PETSC_EXTERN PetscErrorCode TSGetCostIntegral(TS,Vec*);

    293: PETSC_EXTERN PetscErrorCode TSAdjointSetRHSJacobian(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
    294: PETSC_EXTERN PetscErrorCode TSAdjointSolve(TS);
    295: PETSC_EXTERN PetscErrorCode TSAdjointSetSteps(TS,PetscInt);

    297: PETSC_EXTERN PetscErrorCode TSAdjointComputeRHSJacobian(TS,PetscReal,Vec,Mat);
    298: PETSC_EXTERN PetscErrorCode TSAdjointStep(TS);
    299: PETSC_EXTERN PetscErrorCode TSAdjointSetUp(TS);
    300: PETSC_EXTERN PetscErrorCode TSAdjointComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
    301: PETSC_EXTERN PetscErrorCode TSAdjointComputeDRDYFunction(TS,PetscReal,Vec,Vec*);
    302: PETSC_EXTERN PetscErrorCode TSAdjointComputeCostIntegrand(TS,PetscReal,Vec,Vec);
    303: PETSC_EXTERN PetscErrorCode TSAdjointCostIntegral(TS);
    304: PETSC_EXTERN PetscErrorCode TSForwardCostIntegral(TS);

    306: PETSC_EXTERN PetscErrorCode TSSetDuration(TS,PetscInt,PetscReal);
    307: PETSC_EXTERN PetscErrorCode TSGetDuration(TS,PetscInt*,PetscReal*);
    308: PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS,TSExactFinalTimeOption);

    310: PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);

    312: typedef struct _n_TSMonitorDrawCtx*  TSMonitorDrawCtx;
    313: PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorDrawCtx *);
    314: PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx*);
    315: PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS,PetscInt,PetscReal,Vec,void*);
    316: PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionPhase(TS,PetscInt,PetscReal,Vec,void*);
    317: PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS,PetscInt,PetscReal,Vec,void*);

    319: PETSC_EXTERN PetscErrorCode TSAdjointMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat *);
    320: PETSC_EXTERN PetscErrorCode TSAdjointMonitorDrawSensi(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*);

    322: PETSC_EXTERN PetscErrorCode TSMonitorSolution(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
    323: PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS,PetscInt,PetscReal,Vec,void*);
    324: PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void*);

    326: PETSC_EXTERN PetscErrorCode TSStep(TS);
    327: PETSC_EXTERN PetscErrorCode TSEvaluateWLTE(TS,NormType,PetscInt*,PetscReal*);
    328: PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS,PetscInt,Vec,PetscBool*);
    329: PETSC_EXTERN PetscErrorCode TSSolve(TS,Vec);
    330: PETSC_EXTERN PetscErrorCode TSGetEquationType(TS,TSEquationType*);
    331: PETSC_EXTERN PetscErrorCode TSSetEquationType(TS,TSEquationType);
    332: PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS,TSConvergedReason*);
    333: PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS,TSConvergedReason);
    334: PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS,PetscReal*);
    335: PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS,PetscInt*);
    336: PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS,PetscInt*);
    337: PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS,PetscInt*);
    338: PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS,PetscInt);
    339: PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS,PetscInt*);
    340: PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS,PetscInt);
    341: PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS,PetscBool);
    342: PETSC_EXTERN PetscErrorCode TSRollBack(TS);
    343: PETSC_EXTERN PetscErrorCode TSGetTotalSteps(TS,PetscInt*);

    345: PETSC_EXTERN PetscErrorCode TSGetStages(TS,PetscInt*,Vec**);

    347: PETSC_EXTERN PetscErrorCode TSSetInitialTimeStep(TS,PetscReal,PetscReal);
    348: PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS,PetscReal*);
    349: PETSC_EXTERN PetscErrorCode TSGetTime(TS,PetscReal*);
    350: PETSC_EXTERN PetscErrorCode TSSetTime(TS,PetscReal);
    351: PETSC_EXTERN PetscErrorCode TSGetTimeStepNumber(TS,PetscInt*);
    352: PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS,PetscReal);
    353: PETSC_EXTERN PetscErrorCode TSGetPrevTime(TS,PetscReal*);

    355: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
    356: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat,Mat,void*);
    357: PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
    358: PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
    359: PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
    360: PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
    361: PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS,PetscBool);

    363: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS,PetscReal,Vec,void*);
    364: PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS,TSSolutionFunction,void*);
    365: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSForcingFunction)(TS,PetscReal,Vec,void*);
    366: PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS,TSForcingFunction,void*);

    368: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
    369: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
    370: PETSC_EXTERN PetscErrorCode TSSetIFunction(TS,Vec,TSIFunction,void*);
    371: PETSC_EXTERN PetscErrorCode TSGetIFunction(TS,Vec*,TSIFunction*,void**);
    372: PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
    373: PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);

    375: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Function)(TS,PetscReal,Vec,Vec,Vec,Vec,void*);
    376: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Jacobian)(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat,void*);
    377: PETSC_EXTERN PetscErrorCode TSSetI2Function(TS,Vec,TSI2Function,void*);
    378: PETSC_EXTERN PetscErrorCode TSGetI2Function(TS,Vec*,TSI2Function*,void**);
    379: PETSC_EXTERN PetscErrorCode TSSetI2Jacobian(TS,Mat,Mat,TSI2Jacobian,void*);
    380: PETSC_EXTERN PetscErrorCode TSGetI2Jacobian(TS,Mat*,Mat*,TSI2Jacobian*,void**);

    382: PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
    383: PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat,Mat,void*);
    384: PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
    385: PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
    386: PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS,PetscReal,Vec);
    387: PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS,PetscReal,Vec);
    388: PETSC_EXTERN PetscErrorCode TSComputeIJacobianDefaultColor(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);

    390: PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
    391: PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS,PetscReal));
    392: PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS,PetscReal,PetscInt,Vec*));
    393: PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
    394: PETSC_EXTERN PetscErrorCode TSPreStep(TS);
    395: PETSC_EXTERN PetscErrorCode TSPreStage(TS,PetscReal);
    396: PETSC_EXTERN PetscErrorCode TSPostStage(TS,PetscReal,PetscInt,Vec*);
    397: PETSC_EXTERN PetscErrorCode TSPostStep(TS);
    398: PETSC_EXTERN PetscErrorCode TSInterpolate(TS,PetscReal,Vec);
    399: PETSC_EXTERN PetscErrorCode TSSetTolerances(TS,PetscReal,Vec,PetscReal,Vec);
    400: PETSC_EXTERN PetscErrorCode TSGetTolerances(TS,PetscReal*,Vec*,PetscReal*,Vec*);
    401: PETSC_EXTERN PetscErrorCode TSErrorWeightedNormInfinity(TS,Vec,Vec,PetscReal*);
    402: PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm2(TS,Vec,Vec,PetscReal*);
    403: PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm(TS,Vec,Vec,NormType,PetscReal*);
    404: PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS,PetscReal);
    405: PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS,PetscReal*);
    406: PETSC_EXTERN PetscErrorCode TSSetFunctionDomainError(TS, PetscErrorCode (*)(TS,PetscReal,Vec,PetscBool*));
    407: PETSC_EXTERN PetscErrorCode TSFunctionDomainError(TS,PetscReal,Vec,PetscBool*);

    409: PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
    410: PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS,PetscReal*,void*);
    411: PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS,PetscReal *);
    412: PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS,PetscReal);
    413: PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
    414: PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS,Vec,void*,PetscReal*,PetscBool *);
    415: PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
    416: PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS,PetscReal);
    417: PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);

    419: PETSC_EXTERN PetscErrorCode TSPythonSetType(TS,const char[]);

    421: PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
    422: PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS,PetscReal,Vec,Mat,Mat);
    423: PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
    424: PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,PetscBool);
    425: PETSC_EXTERN PetscErrorCode TSComputeI2Function(TS,PetscReal,Vec,Vec,Vec,Vec);
    426: PETSC_EXTERN PetscErrorCode TSComputeI2Jacobian(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat);
    427: PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS,PetscReal,PetscReal,PetscReal*,PetscReal*);

    429: PETSC_EXTERN PetscErrorCode TSVISetVariableBounds(TS,Vec,Vec);

    431: PETSC_EXTERN PetscErrorCode DMTSSetBoundaryLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *);
    432: PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM,TSRHSFunction,void*);
    433: PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM,TSRHSFunction*,void**);
    434: PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM,TSRHSJacobian,void*);
    435: PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM,TSRHSJacobian*,void**);
    436: PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM,TSIFunction,void*);
    437: PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM,TSIFunction*,void**);
    438: PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM,TSIJacobian,void*);
    439: PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM,TSIJacobian*,void**);
    440: PETSC_EXTERN PetscErrorCode DMTSSetI2Function(DM,TSI2Function,void*);
    441: PETSC_EXTERN PetscErrorCode DMTSGetI2Function(DM,TSI2Function*,void**);
    442: PETSC_EXTERN PetscErrorCode DMTSSetI2Jacobian(DM,TSI2Jacobian,void*);
    443: PETSC_EXTERN PetscErrorCode DMTSGetI2Jacobian(DM,TSI2Jacobian*,void**);

    445: PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM,TSSolutionFunction,void*);
    446: PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM,TSSolutionFunction*,void**);
    447: PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM,TSForcingFunction,void*);
    448: PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM,TSForcingFunction*,void**);
    449: PETSC_EXTERN PetscErrorCode DMTSGetMinRadius(DM,PetscReal*);
    450: PETSC_EXTERN PetscErrorCode DMTSSetMinRadius(DM,PetscReal);
    451: PETSC_EXTERN PetscErrorCode DMTSCheckFromOptions(TS, Vec, PetscErrorCode (**)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar *, void *), void **);

    453: PETSC_EXTERN PetscErrorCode DMTSSetIFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,Vec,void*),void*);
    454: PETSC_EXTERN PetscErrorCode DMTSSetIJacobianLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*),void*);
    455: PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,void*),void*);

    457: PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
    458: PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));

    460: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*);
    461: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*);
    462: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*);
    463: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*);

    465: PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*),void *);
    466: PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*),void *);
    467: PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*),void *);
    468: PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*),void *);

    470: PETSC_EXTERN PetscErrorCode DMPlexTSGetGeometryFVM(DM,Vec*,Vec*,PetscReal*);
    471: PETSC_EXTERN PetscErrorCode DMPlexTSGetGradientDM(DM,PetscFV,DM*);

    473: typedef struct _n_TSMonitorLGCtx*  TSMonitorLGCtx;
    474: typedef struct {
    475:   Vec            ray;
    476:   VecScatter     scatter;
    477:   PetscViewer    viewer;
    478:   TSMonitorLGCtx lgctx;
    479: } TSMonitorDMDARayCtx;
    480: PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void**);
    481: PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS,PetscInt,PetscReal,Vec,void*);
    482: PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS,PetscInt,PetscReal,Vec,void*);

    485: /* Dynamic creation and loading functions */
    486: PETSC_EXTERN PetscFunctionList TSList;
    487: PETSC_EXTERN PetscErrorCode TSGetType(TS,TSType*);
    488: PETSC_EXTERN PetscErrorCode TSSetType(TS,TSType);
    489: PETSC_EXTERN PetscErrorCode TSRegister(const char[], PetscErrorCode (*)(TS));

    491: PETSC_EXTERN PetscErrorCode TSGetSNES(TS,SNES*);
    492: PETSC_EXTERN PetscErrorCode TSSetSNES(TS,SNES);
    493: PETSC_EXTERN PetscErrorCode TSGetKSP(TS,KSP*);

    495: PETSC_EXTERN PetscErrorCode TSView(TS,PetscViewer);
    496: PETSC_EXTERN PetscErrorCode TSLoad(TS,PetscViewer);
    497: PETSC_STATIC_INLINE PetscErrorCode TSViewFromOptions(TS A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
    498: PETSC_STATIC_INLINE PetscErrorCode TSTrajectoryViewFromOptions(TSTrajectory A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}

    500: #define TS_FILE_CLASSID 1211225

    502: PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS,void *);
    503: PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS,void *);

    505: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtx *);
    506: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx*);
    507: PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS,PetscInt,PetscReal,Vec,void *);
    508: PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS,PetscInt,PetscReal,Vec,void *);
    509: PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS,const char * const*);
    510: PETSC_EXTERN PetscErrorCode TSMonitorLGGetVariableNames(TS,const char *const **);
    511: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetVariableNames(TSMonitorLGCtx,const char * const *);
    512: PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS,const char * const*);
    513: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetDisplayVariables(TSMonitorLGCtx,const char * const*);
    514: PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
    515: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetTransform(TSMonitorLGCtx,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void *);
    516: PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS,PetscInt,PetscReal,Vec,void *);
    517: PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS,PetscInt,PetscReal,Vec,void *);
    518: PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS,PetscInt,PetscReal,Vec,void *);

    520: typedef struct _n_TSMonitorEnvelopeCtx*  TSMonitorEnvelopeCtx;
    521: PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxCreate(TS,TSMonitorEnvelopeCtx*);
    522: PETSC_EXTERN PetscErrorCode TSMonitorEnvelope(TS,PetscInt,PetscReal,Vec,void*);
    523: PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeGetBounds(TS,Vec*,Vec*);
    524: PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxDestroy(TSMonitorEnvelopeCtx*);

    526: typedef struct _n_TSMonitorSPEigCtx*  TSMonitorSPEigCtx;
    527: PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPEigCtx *);
    528: PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx*);
    529: PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS,PetscInt,PetscReal,Vec,void *);

    531: PETSC_EXTERN PetscErrorCode TSSetEventHandler(TS,PetscInt,PetscInt[],PetscBool[],PetscErrorCode (*)(TS,PetscReal,Vec,PetscScalar[],void*),PetscErrorCode (*)(TS,PetscInt,PetscInt[],PetscReal,Vec,PetscBool,void*),void*);
    532: PETSC_EXTERN PetscErrorCode TSSetEventTolerances(TS,PetscReal,PetscReal[]);
    533: /*J
    534:    TSSSPType - string with the name of TSSSP scheme.

    536:    Level: beginner

    538: .seealso: TSSSPSetType(), TS
    539: J*/
    540: typedef const char* TSSSPType;
    541: #define TSSSPRKS2  "rks2"
    542: #define TSSSPRKS3  "rks3"
    543: #define TSSSPRK104 "rk104"

    545: PETSC_EXTERN PetscErrorCode TSSSPSetType(TS,TSSSPType);
    546: PETSC_EXTERN PetscErrorCode TSSSPGetType(TS,TSSSPType*);
    547: PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
    548: PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
    549: PETSC_EXTERN PetscErrorCode TSSSPInitializePackage(void);
    550: PETSC_EXTERN PetscErrorCode TSSSPFinalizePackage(void);

    552: /*S
    553:    TSAdapt - Abstract object that manages time-step adaptivity

    555:    Level: beginner

    557: .seealso: TS, TSAdaptCreate(), TSAdaptType
    558: S*/
    559: typedef struct _p_TSAdapt *TSAdapt;

    561: /*E
    562:     TSAdaptType - String with the name of TSAdapt scheme.

    564:    Level: beginner

    566: .seealso: TSAdaptSetType(), TS
    567: E*/
    568: typedef const char *TSAdaptType;
    569: #define TSADAPTBASIC "basic"
    570: #define TSADAPTNONE  "none"
    571: #define TSADAPTCFL   "cfl"

    573: PETSC_EXTERN PetscErrorCode TSGetAdapt(TS,TSAdapt*);
    574: PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[],PetscErrorCode (*)(TSAdapt));
    575: PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void);
    576: PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
    577: PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm,TSAdapt*);
    578: PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt,TSAdaptType);
    579: PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt,const char[]);
    580: PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
    581: PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt,const char[],PetscInt,PetscInt,PetscReal,PetscReal,PetscBool);
    582: PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt,PetscInt*,const PetscInt**,const PetscInt**,const PetscReal**,const PetscReal**);
    583: PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt,TS,PetscReal,PetscInt*,PetscReal*,PetscBool*);
    584: PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt,TS,PetscReal,Vec,PetscBool*);
    585: PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt,PetscViewer);
    586: PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt,PetscViewer);
    587: PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(PetscOptionItems*,TSAdapt);
    588: PETSC_EXTERN PetscErrorCode TSAdaptReset(TSAdapt);
    589: PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt*);
    590: PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt,PetscBool);
    591: PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt,PetscReal,PetscReal);
    592: PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt,PetscErrorCode(*)(TSAdapt,TS,PetscReal,Vec,PetscBool*));

    594: PETSC_EXTERN PetscErrorCode TSAdaptBasicSetClip(TSAdapt,PetscReal,PetscReal);
    595: PETSC_EXTERN PetscErrorCode TSAdaptBasicGetClip(TSAdapt,PetscReal*,PetscReal*);

    597: /*S
    598:    TSGLAdapt - Abstract object that manages time-step adaptivity

    600:    Level: beginner

    602:    Developer Notes:
    603:    This functionality should be replaced by the TSAdapt.

    605: .seealso: TSGL, TSGLAdaptCreate(), TSGLAdaptType
    606: S*/
    607: typedef struct _p_TSGLAdapt *TSGLAdapt;

    609: /*J
    610:     TSGLAdaptType - String with the name of TSGLAdapt scheme

    612:    Level: beginner

    614: .seealso: TSGLAdaptSetType(), TS
    615: J*/
    616: typedef const char *TSGLAdaptType;
    617: #define TSGLADAPT_NONE "none"
    618: #define TSGLADAPT_SIZE "size"
    619: #define TSGLADAPT_BOTH "both"

    621: PETSC_EXTERN PetscErrorCode TSGLAdaptRegister(const char[],PetscErrorCode (*)(TSGLAdapt));
    622: PETSC_EXTERN PetscErrorCode TSGLAdaptInitializePackage(void);
    623: PETSC_EXTERN PetscErrorCode TSGLAdaptFinalizePackage(void);
    624: PETSC_EXTERN PetscErrorCode TSGLAdaptCreate(MPI_Comm,TSGLAdapt*);
    625: PETSC_EXTERN PetscErrorCode TSGLAdaptSetType(TSGLAdapt,TSGLAdaptType);
    626: PETSC_EXTERN PetscErrorCode TSGLAdaptSetOptionsPrefix(TSGLAdapt,const char[]);
    627: PETSC_EXTERN PetscErrorCode TSGLAdaptChoose(TSGLAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
    628: PETSC_EXTERN PetscErrorCode TSGLAdaptView(TSGLAdapt,PetscViewer);
    629: PETSC_EXTERN PetscErrorCode TSGLAdaptSetFromOptions(PetscOptionItems*,TSGLAdapt);
    630: PETSC_EXTERN PetscErrorCode TSGLAdaptDestroy(TSGLAdapt*);

    632: /*J
    633:     TSGLAcceptType - String with the name of TSGLAccept scheme

    635:    Level: beginner

    637: .seealso: TSGLSetAcceptType(), TS
    638: J*/
    639: typedef const char *TSGLAcceptType;
    640: #define TSGLACCEPT_ALWAYS "always"

    642: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
    643: PETSC_EXTERN PetscErrorCode TSGLAcceptRegister(const char[],TSGLAcceptFunction);

    645: /*J
    646:   TSGLType - family of time integration method within the General Linear class

    648:   Level: beginner

    650: .seealso: TSGLSetType(), TSGLRegister()
    651: J*/
    652: typedef const char* TSGLType;
    653: #define TSGL_IRKS   "irks"

    655: PETSC_EXTERN PetscErrorCode TSGLRegister(const char[],PetscErrorCode(*)(TS));
    656: PETSC_EXTERN PetscErrorCode TSGLInitializePackage(void);
    657: PETSC_EXTERN PetscErrorCode TSGLFinalizePackage(void);
    658: PETSC_EXTERN PetscErrorCode TSGLSetType(TS,TSGLType);
    659: PETSC_EXTERN PetscErrorCode TSGLGetAdapt(TS,TSGLAdapt*);
    660: PETSC_EXTERN PetscErrorCode TSGLSetAcceptType(TS,TSGLAcceptType);

    662: /*J
    663:     TSEIMEXType - String with the name of an Extrapolated IMEX method.

    665:    Level: beginner

    667: .seealso: TSEIMEXSetType(), TS, TSEIMEX, TSEIMEXRegister()
    668: J*/
    669: #define TSEIMEXType   char*

    671: PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts,PetscInt);
    672: PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts,PetscInt,PetscInt);
    673: PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS,PetscBool);

    675: /*J
    676:     TSRKType - String with the name of a Runge-Kutta method.

    678:    Level: beginner

    680: .seealso: TSRKSetType(), TS, TSRK, TSRKRegister()
    681: J*/
    682: typedef const char* TSRKType;
    683: #define TSRK1FE   "1fe"
    684: #define TSRK2A    "2a"
    685: #define TSRK3     "3"
    686: #define TSRK3BS   "3bs"
    687: #define TSRK4     "4"
    688: #define TSRK5F    "5f"
    689: #define TSRK5DP   "5dp"
    690: PETSC_EXTERN PetscErrorCode TSRKGetType(TS ts,TSRKType*);
    691: PETSC_EXTERN PetscErrorCode TSRKSetType(TS ts,TSRKType);
    692: PETSC_EXTERN PetscErrorCode TSRKSetFullyImplicit(TS,PetscBool);
    693: PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
    694: PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void);
    695: PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void);
    696: PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void);

    698: /*J
    699:     TSARKIMEXType - String with the name of an Additive Runge-Kutta IMEX method.

    701:    Level: beginner

    703: .seealso: TSARKIMEXSetType(), TS, TSARKIMEX, TSARKIMEXRegister()
    704: J*/
    705: typedef const char* TSARKIMEXType;
    706: #define TSARKIMEX1BEE   "1bee"
    707: #define TSARKIMEXA2     "a2"
    708: #define TSARKIMEXL2     "l2"
    709: #define TSARKIMEXARS122 "ars122"
    710: #define TSARKIMEX2C     "2c"
    711: #define TSARKIMEX2D     "2d"
    712: #define TSARKIMEX2E     "2e"
    713: #define TSARKIMEXPRSSP2 "prssp2"
    714: #define TSARKIMEX3      "3"
    715: #define TSARKIMEXBPR3   "bpr3"
    716: #define TSARKIMEXARS443 "ars443"
    717: #define TSARKIMEX4      "4"
    718: #define TSARKIMEX5      "5"
    719: PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts,TSARKIMEXType*);
    720: PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts,TSARKIMEXType);
    721: PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
    722: 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[]);
    723: PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
    724: PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
    725: PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);

    727: /*J
    728:     TSRosWType - String with the name of a Rosenbrock-W method.

    730:    Level: beginner

    732: .seealso: TSRosWSetType(), TS, TSROSW, TSRosWRegister()
    733: J*/
    734: typedef const char* TSRosWType;
    735: #define TSROSW2M          "2m"
    736: #define TSROSW2P          "2p"
    737: #define TSROSWRA3PW       "ra3pw"
    738: #define TSROSWRA34PW2     "ra34pw2"
    739: #define TSROSWRODAS3      "rodas3"
    740: #define TSROSWSANDU3      "sandu3"
    741: #define TSROSWASSP3P3S1C  "assp3p3s1c"
    742: #define TSROSWLASSP3P4S2C "lassp3p4s2c"
    743: #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
    744: #define TSROSWARK3        "ark3"
    745: #define TSROSWTHETA1      "theta1"
    746: #define TSROSWTHETA2      "theta2"
    747: #define TSROSWGRK4T       "grk4t"
    748: #define TSROSWSHAMP4      "shamp4"
    749: #define TSROSWVELDD4      "veldd4"
    750: #define TSROSW4L          "4l"

    752: PETSC_EXTERN PetscErrorCode TSRosWGetType(TS ts,TSRosWType*);
    753: PETSC_EXTERN PetscErrorCode TSRosWSetType(TS ts,TSRosWType);
    754: PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS,PetscBool);
    755: PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
    756: PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
    757: PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void);
    758: PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
    759: PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);

    761: PETSC_EXTERN PetscErrorCode TSBDFSetOrder(TS,PetscInt);
    762: PETSC_EXTERN PetscErrorCode TSBDFGetOrder(TS,PetscInt*);
    763: PETSC_EXTERN PetscErrorCode TSBDFUseAdapt(TS,PetscBool);

    765: /*
    766:        PETSc interface to Sundials
    767: */
    768: #ifdef PETSC_HAVE_SUNDIALS
    769: typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
    770: PETSC_EXTERN const char *const TSSundialsLmmTypes[];
    771: typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
    772: PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
    773: PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS,TSSundialsLmmType);
    774: PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS,PC*);
    775: PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS,PetscReal,PetscReal);
    776: PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS,PetscReal);
    777: PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS,PetscReal);
    778: PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
    779: PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
    780: PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS,PetscInt);
    781: PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS,PetscReal);
    782: PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS,PetscBool );
    783: PETSC_EXTERN PetscErrorCode TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
    784: PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS,PetscInt);
    785: #endif

    787: PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS,PetscReal);
    788: PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS,PetscReal*);
    789: PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS,PetscBool*);
    790: PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS,PetscBool);

    792: PETSC_EXTERN PetscErrorCode TSAlphaUseAdapt(TS,PetscBool);
    793: PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS,PetscReal);
    794: PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
    795: PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);

    797: PETSC_EXTERN PetscErrorCode TSAlpha2UseAdapt(TS,PetscBool);
    798: PETSC_EXTERN PetscErrorCode TSAlpha2SetRadius(TS,PetscReal);
    799: PETSC_EXTERN PetscErrorCode TSAlpha2SetParams(TS,PetscReal,PetscReal,PetscReal,PetscReal);
    800: PETSC_EXTERN PetscErrorCode TSAlpha2GetParams(TS,PetscReal*,PetscReal*,PetscReal*,PetscReal*);

    802: PETSC_EXTERN PetscErrorCode TSSetDM(TS,DM);
    803: PETSC_EXTERN PetscErrorCode TSGetDM(TS,DM*);

    805: PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES,Vec,Vec,void*);
    806: PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES,Vec,Mat,Mat,void*);

    808: #endif