Actual source code: petscts.h
petsc-3.12.1 2019-10-22
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      1: /*
      2:    User interface for the timestepping package. This package
      3:    is for use in solving time-dependent PDEs.
      4: */
      5: #if !defined(PETSCTS_H)
      6: #define PETSCTS_H
      7:  #include <petscsnes.h>

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

     12:    Level: beginner

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

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

     21:    Level: beginner

     23: .seealso: TSSetType(), TS, TSRegister()
     24: J*/
     25: typedef const char* TSType;
     26: #define TSEULER           "euler"
     27: #define TSBEULER          "beuler"
     28: #define TSBASICSYMPLECTIC "basicsymplectic"
     29: #define TSPSEUDO          "pseudo"
     30: #define TSCN              "cn"
     31: #define TSSUNDIALS        "sundials"
     32: #define TSRK              "rk"
     33: #define TSPYTHON          "python"
     34: #define TSTHETA           "theta"
     35: #define TSALPHA           "alpha"
     36: #define TSALPHA2          "alpha2"
     37: #define TSGLLE            "glle"
     38: #define TSGLEE            "glee"
     39: #define TSSSP             "ssp"
     40: #define TSARKIMEX         "arkimex"
     41: #define TSROSW            "rosw"
     42: #define TSEIMEX           "eimex"
     43: #define TSMIMEX           "mimex"
     44: #define TSBDF             "bdf"
     45: #define TSRADAU5          "radau5"
     46: #define TSMPRK            "mprk"

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

     51:    Level: beginner

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

     57: /*E
     58:    TSEquationType - type of TS problem that is solved

     60:    Level: beginner

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

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

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

     89: /*E
     90:    TSConvergedReason - reason a TS method has converged or not

     92:    Level: beginner

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

     97:    Each reason has its own manual page.

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

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

    119:    Level: beginner

    121: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt()
    122: M*/

    124: /*MC
    125:    TS_CONVERGED_TIME - the final time was reached

    127:    Level: beginner

    129: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxTime(), TSGetMaxTime(), TSGetSolveTime()
    130: M*/

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

    135:    Level: beginner

    137: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxSteps(), TSGetMaxSteps()
    138: M*/

    140: /*MC
    141:    TS_CONVERGED_USER - user requested termination

    143:    Level: beginner

    145: .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason()
    146: M*/

    148: /*MC
    149:    TS_CONVERGED_EVENT - user requested termination on event detection

    151:    Level: beginner

    153: .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason()
    154: M*/

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

    159:    Level: beginner

    161:    Options Database:
    162: .   -ts_pseudo_frtol <rtol>

    164: .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TS_CONVERGED_PSEUDO_FATOL
    165: M*/

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

    170:    Level: beginner

    172:    Options Database:
    173: .   -ts_pseudo_fatol <atol>

    175: .seealso: TSSolve(), TSGetConvergedReason(), TSSetConvergedReason(), TS_CONVERGED_PSEUDO_FRTOL
    176: M*/

    178: /*MC
    179:    TS_DIVERGED_NONLINEAR_SOLVE - too many nonlinear solves failed

    181:    Level: beginner

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

    186: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSGetSNES(), SNESGetConvergedReason(), TSSetMaxSNESFailures()
    187: M*/

    189: /*MC
    190:    TS_DIVERGED_STEP_REJECTED - too many steps were rejected

    192:    Level: beginner

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

    197: .seealso: TSSolve(), TSGetConvergedReason(), TSGetAdapt(), TSSetMaxStepRejections()
    198: M*/

    200: /*E
    201:    TSExactFinalTimeOption - option for handling of final time step

    203:    Level: beginner

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

    208: $  TS_EXACTFINALTIME_STEPOVER    - Don't do anything if final time is exceeded
    209: $  TS_EXACTFINALTIME_INTERPOLATE - Interpolate back to final time
    210: $  TS_EXACTFINALTIME_MATCHSTEP - Adapt final time step to match the final time

    212: .seealso: TSGetConvergedReason(), TSSetExactFinalTime(), TSGetExactFinalTime()

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

    218: /* Logging support */
    219: PETSC_EXTERN PetscClassId TS_CLASSID;
    220: PETSC_EXTERN PetscClassId DMTS_CLASSID;
    221: PETSC_EXTERN PetscClassId TSADAPT_CLASSID;

    223: PETSC_EXTERN PetscErrorCode TSInitializePackage(void);
    224: PETSC_EXTERN PetscErrorCode TSFinalizePackage(void);

    226: PETSC_EXTERN PetscErrorCode TSCreate(MPI_Comm,TS*);
    227: PETSC_EXTERN PetscErrorCode TSClone(TS,TS*);
    228: PETSC_EXTERN PetscErrorCode TSDestroy(TS*);

    230: PETSC_EXTERN PetscErrorCode TSSetProblemType(TS,TSProblemType);
    231: PETSC_EXTERN PetscErrorCode TSGetProblemType(TS,TSProblemType*);
    232: PETSC_EXTERN PetscErrorCode TSMonitor(TS,PetscInt,PetscReal,Vec);
    233: PETSC_EXTERN PetscErrorCode TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void**));
    234: PETSC_EXTERN PetscErrorCode TSMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));
    235: PETSC_EXTERN PetscErrorCode TSMonitorCancel(TS);

    237: PETSC_EXTERN PetscErrorCode TSSetOptionsPrefix(TS,const char[]);
    238: PETSC_EXTERN PetscErrorCode TSAppendOptionsPrefix(TS,const char[]);
    239: PETSC_EXTERN PetscErrorCode TSGetOptionsPrefix(TS,const char *[]);
    240: PETSC_EXTERN PetscErrorCode TSSetFromOptions(TS);
    241: PETSC_EXTERN PetscErrorCode TSSetUp(TS);
    242: PETSC_EXTERN PetscErrorCode TSReset(TS);

    244: PETSC_EXTERN PetscErrorCode TSSetSolution(TS,Vec);
    245: PETSC_EXTERN PetscErrorCode TSGetSolution(TS,Vec*);

    247: PETSC_EXTERN PetscErrorCode TS2SetSolution(TS,Vec,Vec);
    248: PETSC_EXTERN PetscErrorCode TS2GetSolution(TS,Vec*,Vec*);

    250: PETSC_EXTERN PetscErrorCode TSGetSolutionComponents(TS,PetscInt*,Vec*);
    251: PETSC_EXTERN PetscErrorCode TSGetAuxSolution(TS,Vec*);
    252: PETSC_EXTERN PetscErrorCode TSGetTimeError(TS,PetscInt,Vec*);
    253: PETSC_EXTERN PetscErrorCode TSSetTimeError(TS,Vec);

    255: PETSC_EXTERN PetscErrorCode TSSetRHSJacobianP(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
    256: PETSC_EXTERN PetscErrorCode TSGetRHSJacobianP(TS,Mat*,PetscErrorCode(**)(TS,PetscReal,Vec,Mat,void*),void**);
    257: PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianP(TS,PetscReal,Vec,Mat);
    258: PETSC_EXTERN PetscErrorCode TSSetIJacobianP(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Vec,PetscReal,Mat,void*),void*);
    259: PETSC_EXTERN PetscErrorCode TSComputeIJacobianP(TS,PetscReal,Vec,Vec,PetscReal,Mat,PetscBool);
    260: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobianP") PetscErrorCode TSComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
    261: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobian") PetscErrorCode TSComputeDRDUFunction(TS,PetscReal,Vec,Vec*);
    262: PETSC_EXTERN PetscErrorCode TSSetIHessianProduct(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
    263:                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
    264:                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
    265:                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
    266:                                                     void*);
    267: PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionUU(TS,PetscReal,Vec,Vec*,Vec,Vec*);
    268: PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionUP(TS,PetscReal,Vec,Vec*,Vec,Vec*);
    269: PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionPU(TS,PetscReal,Vec,Vec*,Vec,Vec*);
    270: PETSC_EXTERN PetscErrorCode TSComputeIHessianProductFunctionPP(TS,PetscReal,Vec,Vec*,Vec,Vec*);
    271: PETSC_EXTERN PetscErrorCode TSSetRHSHessianProduct(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
    272:                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
    273:                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
    274:                                                     Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,Vec,Vec*,void*),
    275:                                                     void*);
    276: PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionUU(TS,PetscReal,Vec,Vec*,Vec,Vec*);
    277: PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionUP(TS,PetscReal,Vec,Vec*,Vec,Vec*);
    278: PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionPU(TS,PetscReal,Vec,Vec*,Vec,Vec*);
    279: PETSC_EXTERN PetscErrorCode TSComputeRHSHessianProductFunctionPP(TS,PetscReal,Vec,Vec*,Vec,Vec*);
    280: PETSC_EXTERN PetscErrorCode TSSetCostHessianProducts(TS,PetscInt,Vec*,Vec*,Vec);
    281: PETSC_EXTERN PetscErrorCode TSGetCostHessianProducts(TS,PetscInt*,Vec**,Vec**,Vec*);
    282: PETSC_EXTERN PetscErrorCode TSComputeSNESJacobian(TS,Vec,Mat,Mat);

    284: /*S
    285:      TSTrajectory - Abstract PETSc object that stores the trajectory (solution of ODE/DAE at each time step)

    287:    Level: advanced

    289: .seealso:  TSSetSaveTrajectory(), TSTrajectoryCreate(), TSTrajectorySetType(), TSTrajectoryDestroy(), TSTrajectoryReset()
    290: S*/
    291: typedef struct _p_TSTrajectory* TSTrajectory;

    293: /*J
    294:     TSTrajectorySetType - String with the name of a PETSc TS trajectory storage method

    296:    Level: intermediate

    298: .seealso:  TSSetSaveTrajectory(), TSTrajectoryCreate(), TSTrajectoryDestroy()
    299: J*/
    300: typedef const char* TSTrajectoryType;
    301: #define TSTRAJECTORYBASIC         "basic"
    302: #define TSTRAJECTORYSINGLEFILE    "singlefile"
    303: #define TSTRAJECTORYMEMORY        "memory"
    304: #define TSTRAJECTORYVISUALIZATION "visualization"

    306: PETSC_EXTERN PetscFunctionList TSTrajectoryList;
    307: PETSC_EXTERN PetscClassId      TSTRAJECTORY_CLASSID;
    308: PETSC_EXTERN PetscBool         TSTrajectoryRegisterAllCalled;

    310: PETSC_EXTERN PetscErrorCode TSSetSaveTrajectory(TS);
    311: PETSC_EXTERN PetscErrorCode TSResetTrajectory(TS);

    313: PETSC_EXTERN PetscErrorCode TSTrajectoryCreate(MPI_Comm,TSTrajectory*);
    314: PETSC_EXTERN PetscErrorCode TSTrajectoryReset(TSTrajectory);
    315: PETSC_EXTERN PetscErrorCode TSTrajectoryDestroy(TSTrajectory*);
    316: PETSC_EXTERN PetscErrorCode TSTrajectoryView(TSTrajectory,PetscViewer);
    317: PETSC_EXTERN PetscErrorCode TSTrajectorySetType(TSTrajectory,TS,TSTrajectoryType);
    318: PETSC_EXTERN PetscErrorCode TSTrajectoryGetType(TSTrajectory,TS,TSTrajectoryType*);
    319: PETSC_EXTERN PetscErrorCode TSTrajectorySet(TSTrajectory,TS,PetscInt,PetscReal,Vec);
    320: PETSC_EXTERN PetscErrorCode TSTrajectoryGet(TSTrajectory,TS,PetscInt,PetscReal*);
    321: PETSC_EXTERN PetscErrorCode TSTrajectoryGetVecs(TSTrajectory,TS,PetscInt,PetscReal*,Vec,Vec);
    322: PETSC_EXTERN PetscErrorCode TSTrajectoryGetUpdatedHistoryVecs(TSTrajectory,TS,PetscReal,Vec*,Vec*);
    323: PETSC_EXTERN PetscErrorCode TSTrajectoryGetNumSteps(TSTrajectory,PetscInt*);
    324: PETSC_EXTERN PetscErrorCode TSTrajectoryRestoreUpdatedHistoryVecs(TSTrajectory,Vec*,Vec*);
    325: PETSC_EXTERN PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory,TS);
    326: PETSC_EXTERN PetscErrorCode TSTrajectoryRegister(const char[],PetscErrorCode (*)(TSTrajectory,TS));
    327: PETSC_EXTERN PetscErrorCode TSTrajectoryRegisterAll(void);
    328: PETSC_EXTERN PetscErrorCode TSTrajectorySetUp(TSTrajectory,TS);
    329: PETSC_EXTERN PetscErrorCode TSTrajectorySetUseHistory(TSTrajectory,PetscBool);
    330: PETSC_EXTERN PetscErrorCode TSTrajectorySetMonitor(TSTrajectory,PetscBool);
    331: PETSC_EXTERN PetscErrorCode TSTrajectorySetVariableNames(TSTrajectory,const char * const*);
    332: PETSC_EXTERN PetscErrorCode TSTrajectorySetTransform(TSTrajectory,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
    333: PETSC_EXTERN PetscErrorCode TSTrajectorySetSolutionOnly(TSTrajectory,PetscBool);
    334: PETSC_EXTERN PetscErrorCode TSTrajectoryGetSolutionOnly(TSTrajectory,PetscBool*);
    335: PETSC_EXTERN PetscErrorCode TSTrajectorySetKeepFiles(TSTrajectory,PetscBool);
    336: PETSC_EXTERN PetscErrorCode TSTrajectorySetDirname(TSTrajectory,const char[]);
    337: PETSC_EXTERN PetscErrorCode TSTrajectorySetFiletemplate(TSTrajectory,const char[]);
    338: PETSC_EXTERN PetscErrorCode TSGetTrajectory(TS,TSTrajectory*);

    340: PETSC_EXTERN PetscErrorCode TSSetCostGradients(TS,PetscInt,Vec*,Vec*);
    341: PETSC_EXTERN PetscErrorCode TSGetCostGradients(TS,PetscInt*,Vec**,Vec**);
    342: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSCreateQuadratureTS() then set up the sub-TS (since version 3.12)") 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*);
    343: PETSC_EXTERN PetscErrorCode TSGetCostIntegral(TS,Vec*);
    344: PETSC_EXTERN PetscErrorCode TSComputeCostIntegrand(TS,PetscReal,Vec,Vec);
    345: PETSC_EXTERN PetscErrorCode TSCreateQuadratureTS(TS,PetscBool,TS*);
    346: PETSC_EXTERN PetscErrorCode TSGetQuadratureTS(TS,PetscBool*,TS*);

    348: PETSC_EXTERN PetscErrorCode TSAdjointSetFromOptions(PetscOptionItems*,TS);
    349: PETSC_EXTERN PetscErrorCode TSAdjointMonitor(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*);
    350: PETSC_EXTERN PetscErrorCode TSAdjointMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,void*),void *,PetscErrorCode (*)(void**));
    351: PETSC_EXTERN PetscErrorCode TSAdjointMonitorCancel(TS);
    352: PETSC_EXTERN PetscErrorCode TSAdjointMonitorSetFromOptions(TS,const char[],const char[],const char[],PetscErrorCode (*)(TS,PetscInt,PetscReal,Vec,PetscInt,Vec*,Vec*,PetscViewerAndFormat*),PetscErrorCode (*)(TS,PetscViewerAndFormat*));

    354: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSSetRHSJacobianP()")     PetscErrorCode TSAdjointSetRHSJacobian(TS,Mat,PetscErrorCode(*)(TS,PetscReal,Vec,Mat,void*),void*);
    355: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSComputeRHSJacobianP()") PetscErrorCode TSAdjointComputeRHSJacobian(TS,PetscReal,Vec,Mat);
    356: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobianP") PetscErrorCode TSAdjointComputeDRDPFunction(TS,PetscReal,Vec,Vec*);
    357: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetQuadratureTS then TSComputeRHSJacobian") PetscErrorCode TSAdjointComputeDRDYFunction(TS,PetscReal,Vec,Vec*);
    358: PETSC_EXTERN PetscErrorCode TSAdjointSolve(TS);
    359: PETSC_EXTERN PetscErrorCode TSAdjointSetSteps(TS,PetscInt);

    361: PETSC_EXTERN PetscErrorCode TSAdjointStep(TS);
    362: PETSC_EXTERN PetscErrorCode TSAdjointSetUp(TS);
    363: PETSC_EXTERN PetscErrorCode TSAdjointReset(TS);
    364: PETSC_EXTERN PetscErrorCode TSAdjointCostIntegral(TS);
    365: PETSC_EXTERN PetscErrorCode TSAdjointSetForward(TS,Mat);
    366: PETSC_EXTERN PetscErrorCode TSAdjointResetForward(TS);

    368: PETSC_EXTERN PetscErrorCode TSForwardSetSensitivities(TS,PetscInt,Mat);
    369: PETSC_EXTERN PetscErrorCode TSForwardGetSensitivities(TS,PetscInt*,Mat*);
    370: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSCreateQuadratureTS() and TSForwardSetSensitivities() (since version 3.12)") PetscErrorCode TSForwardSetIntegralGradients(TS,PetscInt,Vec *);
    371: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSForwardGetSensitivities()")                          PetscErrorCode TSForwardGetIntegralGradients(TS,PetscInt*,Vec **);
    372: PETSC_EXTERN PetscErrorCode TSForwardSetRHSJacobianP(TS,Vec*,PetscErrorCode(*)(TS,PetscReal,Vec,Vec*,void*),void*);
    373: PETSC_EXTERN PetscErrorCode TSForwardComputeRHSJacobianP(TS,PetscReal,Vec,Vec*);
    374: PETSC_EXTERN PetscErrorCode TSForwardSetUp(TS);
    375: PETSC_EXTERN PetscErrorCode TSForwardReset(TS);
    376: PETSC_EXTERN PetscErrorCode TSForwardCostIntegral(TS);
    377: PETSC_EXTERN PetscErrorCode TSForwardStep(TS);
    378: PETSC_EXTERN PetscErrorCode TSForwardSetInitialSensitivities(TS,Mat);
    379: PETSC_EXTERN PetscErrorCode TSForwardGetStages(TS,PetscInt*,Mat**);

    381: PETSC_EXTERN PetscErrorCode TSSetMaxSteps(TS,PetscInt);
    382: PETSC_EXTERN PetscErrorCode TSGetMaxSteps(TS,PetscInt*);
    383: PETSC_EXTERN PetscErrorCode TSSetMaxTime(TS,PetscReal);
    384: PETSC_EXTERN PetscErrorCode TSGetMaxTime(TS,PetscReal*);
    385: PETSC_EXTERN PetscErrorCode TSSetExactFinalTime(TS,TSExactFinalTimeOption);
    386: PETSC_EXTERN PetscErrorCode TSGetExactFinalTime(TS,TSExactFinalTimeOption*);

    388: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSSetTime[Step]() (since version 3.8)")      PetscErrorCode TSSetInitialTimeStep(TS,PetscReal,PetscReal);
    389: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSSetMax{Steps|Time}() (since version 3.8)") PetscErrorCode TSSetDuration(TS,PetscInt,PetscReal);
    390: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetMax{Steps|Time}() (since version 3.8)") PetscErrorCode TSGetDuration(TS,PetscInt*,PetscReal*);
    391: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetStepNumber() (since version 3.8)")      PetscErrorCode TSGetTimeStepNumber(TS,PetscInt*);
    392: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use TSGetStepNumber() (since version 3.8)")      PetscErrorCode TSGetTotalSteps(TS,PetscInt*);

    394: PETSC_EXTERN PetscErrorCode TSMonitorDefault(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
    395: PETSC_EXTERN PetscErrorCode TSMonitorExtreme(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);

    397: typedef struct _n_TSMonitorDrawCtx*  TSMonitorDrawCtx;
    398: PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorDrawCtx *);
    399: PETSC_EXTERN PetscErrorCode TSMonitorDrawCtxDestroy(TSMonitorDrawCtx*);
    400: PETSC_EXTERN PetscErrorCode TSMonitorDrawSolution(TS,PetscInt,PetscReal,Vec,void*);
    401: PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionPhase(TS,PetscInt,PetscReal,Vec,void*);
    402: PETSC_EXTERN PetscErrorCode TSMonitorDrawError(TS,PetscInt,PetscReal,Vec,void*);
    403: PETSC_EXTERN PetscErrorCode TSMonitorDrawSolutionFunction(TS,PetscInt,PetscReal,Vec,void*);

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

    408: PETSC_EXTERN PetscErrorCode TSMonitorSolution(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat*);
    409: PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTK(TS,PetscInt,PetscReal,Vec,void*);
    410: PETSC_EXTERN PetscErrorCode TSMonitorSolutionVTKDestroy(void*);

    412: PETSC_EXTERN PetscErrorCode TSStep(TS);
    413: PETSC_EXTERN PetscErrorCode TSEvaluateWLTE(TS,NormType,PetscInt*,PetscReal*);
    414: PETSC_EXTERN PetscErrorCode TSEvaluateStep(TS,PetscInt,Vec,PetscBool*);
    415: PETSC_EXTERN PetscErrorCode TSSolve(TS,Vec);
    416: PETSC_EXTERN PetscErrorCode TSGetEquationType(TS,TSEquationType*);
    417: PETSC_EXTERN PetscErrorCode TSSetEquationType(TS,TSEquationType);
    418: PETSC_EXTERN PetscErrorCode TSGetConvergedReason(TS,TSConvergedReason*);
    419: PETSC_EXTERN PetscErrorCode TSSetConvergedReason(TS,TSConvergedReason);
    420: PETSC_EXTERN PetscErrorCode TSGetSolveTime(TS,PetscReal*);
    421: PETSC_EXTERN PetscErrorCode TSGetSNESIterations(TS,PetscInt*);
    422: PETSC_EXTERN PetscErrorCode TSGetKSPIterations(TS,PetscInt*);
    423: PETSC_EXTERN PetscErrorCode TSGetStepRejections(TS,PetscInt*);
    424: PETSC_EXTERN PetscErrorCode TSSetMaxStepRejections(TS,PetscInt);
    425: PETSC_EXTERN PetscErrorCode TSGetSNESFailures(TS,PetscInt*);
    426: PETSC_EXTERN PetscErrorCode TSSetMaxSNESFailures(TS,PetscInt);
    427: PETSC_EXTERN PetscErrorCode TSSetErrorIfStepFails(TS,PetscBool);
    428: PETSC_EXTERN PetscErrorCode TSRestartStep(TS);
    429: PETSC_EXTERN PetscErrorCode TSRollBack(TS);

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

    433: PETSC_EXTERN PetscErrorCode TSGetTime(TS,PetscReal*);
    434: PETSC_EXTERN PetscErrorCode TSSetTime(TS,PetscReal);
    435: PETSC_EXTERN PetscErrorCode TSGetPrevTime(TS,PetscReal*);
    436: PETSC_EXTERN PetscErrorCode TSGetTimeStep(TS,PetscReal*);
    437: PETSC_EXTERN PetscErrorCode TSSetTimeStep(TS,PetscReal);
    438: PETSC_EXTERN PetscErrorCode TSGetStepNumber(TS,PetscInt*);
    439: PETSC_EXTERN PetscErrorCode TSSetStepNumber(TS,PetscInt);

    441: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSFunction)(TS,PetscReal,Vec,Vec,void*);
    442: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobian)(TS,PetscReal,Vec,Mat,Mat,void*);
    443: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSRHSJacobianP)(TS,PetscReal,Vec,Mat,void*);
    444: PETSC_EXTERN PetscErrorCode TSSetRHSFunction(TS,Vec,TSRHSFunction,void*);
    445: PETSC_EXTERN PetscErrorCode TSGetRHSFunction(TS,Vec*,TSRHSFunction*,void**);
    446: PETSC_EXTERN PetscErrorCode TSSetRHSJacobian(TS,Mat,Mat,TSRHSJacobian,void*);
    447: PETSC_EXTERN PetscErrorCode TSGetRHSJacobian(TS,Mat*,Mat*,TSRHSJacobian*,void**);
    448: PETSC_EXTERN PetscErrorCode TSRHSJacobianSetReuse(TS,PetscBool);

    450: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSSolutionFunction)(TS,PetscReal,Vec,void*);
    451: PETSC_EXTERN PetscErrorCode TSSetSolutionFunction(TS,TSSolutionFunction,void*);
    452: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSForcingFunction)(TS,PetscReal,Vec,void*);
    453: PETSC_EXTERN PetscErrorCode TSSetForcingFunction(TS,TSForcingFunction,void*);

    455: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIFunction)(TS,PetscReal,Vec,Vec,Vec,void*);
    456: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSIJacobian)(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
    457: PETSC_EXTERN PetscErrorCode TSSetIFunction(TS,Vec,TSIFunction,void*);
    458: PETSC_EXTERN PetscErrorCode TSGetIFunction(TS,Vec*,TSIFunction*,void**);
    459: PETSC_EXTERN PetscErrorCode TSSetIJacobian(TS,Mat,Mat,TSIJacobian,void*);
    460: PETSC_EXTERN PetscErrorCode TSGetIJacobian(TS,Mat*,Mat*,TSIJacobian*,void**);

    462: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Function)(TS,PetscReal,Vec,Vec,Vec,Vec,void*);
    463: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSI2Jacobian)(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat,void*);
    464: PETSC_EXTERN PetscErrorCode TSSetI2Function(TS,Vec,TSI2Function,void*);
    465: PETSC_EXTERN PetscErrorCode TSGetI2Function(TS,Vec*,TSI2Function*,void**);
    466: PETSC_EXTERN PetscErrorCode TSSetI2Jacobian(TS,Mat,Mat,TSI2Jacobian,void*);
    467: PETSC_EXTERN PetscErrorCode TSGetI2Jacobian(TS,Mat*,Mat*,TSI2Jacobian*,void**);

    469: PETSC_EXTERN PetscErrorCode TSRHSSplitSetIS(TS,const char[],IS);
    470: PETSC_EXTERN PetscErrorCode TSRHSSplitGetIS(TS,const char[],IS*);
    471: PETSC_EXTERN PetscErrorCode TSRHSSplitSetRHSFunction(TS,const char[],Vec,TSRHSFunction,void*);
    472: PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTS(TS,const char[],TS*);
    473: PETSC_EXTERN PetscErrorCode TSRHSSplitGetSubTSs(TS,PetscInt*,TS*[]);
    474: PETSC_EXTERN PetscErrorCode TSSetUseSplitRHSFunction(TS, PetscBool);
    475: PETSC_EXTERN PetscErrorCode TSGetUseSplitRHSFunction(TS, PetscBool*);

    477: PETSC_EXTERN PetscErrorCode TSComputeRHSFunctionLinear(TS,PetscReal,Vec,Vec,void*);
    478: PETSC_EXTERN PetscErrorCode TSComputeRHSJacobianConstant(TS,PetscReal,Vec,Mat,Mat,void*);
    479: PETSC_EXTERN PetscErrorCode TSComputeIFunctionLinear(TS,PetscReal,Vec,Vec,Vec,void*);
    480: PETSC_EXTERN PetscErrorCode TSComputeIJacobianConstant(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);
    481: PETSC_EXTERN PetscErrorCode TSComputeSolutionFunction(TS,PetscReal,Vec);
    482: PETSC_EXTERN PetscErrorCode TSComputeForcingFunction(TS,PetscReal,Vec);
    483: PETSC_EXTERN PetscErrorCode TSComputeIJacobianDefaultColor(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*);

    485: PETSC_EXTERN PetscErrorCode TSSetPreStep(TS, PetscErrorCode (*)(TS));
    486: PETSC_EXTERN PetscErrorCode TSSetPreStage(TS, PetscErrorCode (*)(TS,PetscReal));
    487: PETSC_EXTERN PetscErrorCode TSSetPostStage(TS, PetscErrorCode (*)(TS,PetscReal,PetscInt,Vec*));
    488: PETSC_EXTERN PetscErrorCode TSSetPostEvaluate(TS, PetscErrorCode(*)(TS));
    489: PETSC_EXTERN PetscErrorCode TSSetPostStep(TS, PetscErrorCode (*)(TS));
    490: PETSC_EXTERN PetscErrorCode TSPreStep(TS);
    491: PETSC_EXTERN PetscErrorCode TSPreStage(TS,PetscReal);
    492: PETSC_EXTERN PetscErrorCode TSPostStage(TS,PetscReal,PetscInt,Vec*);
    493: PETSC_EXTERN PetscErrorCode TSPostEvaluate(TS);
    494: PETSC_EXTERN PetscErrorCode TSPostStep(TS);
    495: PETSC_EXTERN PetscErrorCode TSInterpolate(TS,PetscReal,Vec);
    496: PETSC_EXTERN PetscErrorCode TSSetTolerances(TS,PetscReal,Vec,PetscReal,Vec);
    497: PETSC_EXTERN PetscErrorCode TSGetTolerances(TS,PetscReal*,Vec*,PetscReal*,Vec*);
    498: PETSC_EXTERN PetscErrorCode TSErrorWeightedNormInfinity(TS,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
    499: PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm2(TS,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
    500: PETSC_EXTERN PetscErrorCode TSErrorWeightedNorm(TS,Vec,Vec,NormType,PetscReal*,PetscReal*,PetscReal*);
    501: PETSC_EXTERN PetscErrorCode TSErrorWeightedENormInfinity(TS,Vec,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
    502: PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm2(TS,Vec,Vec,Vec,PetscReal*,PetscReal*,PetscReal*);
    503: PETSC_EXTERN PetscErrorCode TSErrorWeightedENorm(TS,Vec,Vec,Vec,NormType,PetscReal*,PetscReal*,PetscReal*);
    504: PETSC_EXTERN PetscErrorCode TSSetCFLTimeLocal(TS,PetscReal);
    505: PETSC_EXTERN PetscErrorCode TSGetCFLTime(TS,PetscReal*);
    506: PETSC_EXTERN PetscErrorCode TSSetFunctionDomainError(TS, PetscErrorCode (*)(TS,PetscReal,Vec,PetscBool*));
    507: PETSC_EXTERN PetscErrorCode TSFunctionDomainError(TS,PetscReal,Vec,PetscBool*);

    509: PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*);
    510: PETSC_EXTERN PetscErrorCode TSPseudoTimeStepDefault(TS,PetscReal*,void*);
    511: PETSC_EXTERN PetscErrorCode TSPseudoComputeTimeStep(TS,PetscReal *);
    512: PETSC_EXTERN PetscErrorCode TSPseudoSetMaxTimeStep(TS,PetscReal);
    513: PETSC_EXTERN PetscErrorCode TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscBool *),void*);
    514: PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStepDefault(TS,Vec,void*,PetscReal*,PetscBool *);
    515: PETSC_EXTERN PetscErrorCode TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscBool *);
    516: PETSC_EXTERN PetscErrorCode TSPseudoSetTimeStepIncrement(TS,PetscReal);
    517: PETSC_EXTERN PetscErrorCode TSPseudoIncrementDtFromInitialDt(TS);

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

    521: PETSC_EXTERN PetscErrorCode TSComputeRHSFunction(TS,PetscReal,Vec,Vec);
    522: PETSC_EXTERN PetscErrorCode TSComputeRHSJacobian(TS,PetscReal,Vec,Mat,Mat);
    523: PETSC_EXTERN PetscErrorCode TSComputeIFunction(TS,PetscReal,Vec,Vec,Vec,PetscBool);
    524: PETSC_EXTERN PetscErrorCode TSComputeIJacobian(TS,PetscReal,Vec,Vec,PetscReal,Mat,Mat,PetscBool);
    525: PETSC_EXTERN PetscErrorCode TSComputeI2Function(TS,PetscReal,Vec,Vec,Vec,Vec);
    526: PETSC_EXTERN PetscErrorCode TSComputeI2Jacobian(TS,PetscReal,Vec,Vec,Vec,PetscReal,PetscReal,Mat,Mat);
    527: PETSC_EXTERN PetscErrorCode TSComputeLinearStability(TS,PetscReal,PetscReal,PetscReal*,PetscReal*);

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

    531: PETSC_EXTERN PetscErrorCode DMTSSetBoundaryLocal(DM, PetscErrorCode (*)(DM, PetscReal, Vec, Vec, void *), void *);
    532: PETSC_EXTERN PetscErrorCode DMTSSetRHSFunction(DM,TSRHSFunction,void*);
    533: PETSC_EXTERN PetscErrorCode DMTSGetRHSFunction(DM,TSRHSFunction*,void**);
    534: PETSC_EXTERN PetscErrorCode DMTSSetRHSJacobian(DM,TSRHSJacobian,void*);
    535: PETSC_EXTERN PetscErrorCode DMTSGetRHSJacobian(DM,TSRHSJacobian*,void**);
    536: PETSC_EXTERN PetscErrorCode DMTSSetIFunction(DM,TSIFunction,void*);
    537: PETSC_EXTERN PetscErrorCode DMTSGetIFunction(DM,TSIFunction*,void**);
    538: PETSC_EXTERN PetscErrorCode DMTSSetIJacobian(DM,TSIJacobian,void*);
    539: PETSC_EXTERN PetscErrorCode DMTSGetIJacobian(DM,TSIJacobian*,void**);
    540: PETSC_EXTERN PetscErrorCode DMTSSetI2Function(DM,TSI2Function,void*);
    541: PETSC_EXTERN PetscErrorCode DMTSGetI2Function(DM,TSI2Function*,void**);
    542: PETSC_EXTERN PetscErrorCode DMTSSetI2Jacobian(DM,TSI2Jacobian,void*);
    543: PETSC_EXTERN PetscErrorCode DMTSGetI2Jacobian(DM,TSI2Jacobian*,void**);

    545: PETSC_EXTERN PetscErrorCode DMTSSetSolutionFunction(DM,TSSolutionFunction,void*);
    546: PETSC_EXTERN PetscErrorCode DMTSGetSolutionFunction(DM,TSSolutionFunction*,void**);
    547: PETSC_EXTERN PetscErrorCode DMTSSetForcingFunction(DM,TSForcingFunction,void*);
    548: PETSC_EXTERN PetscErrorCode DMTSGetForcingFunction(DM,TSForcingFunction*,void**);
    549: PETSC_EXTERN PetscErrorCode DMTSGetMinRadius(DM,PetscReal*);
    550: PETSC_EXTERN PetscErrorCode DMTSSetMinRadius(DM,PetscReal);
    551: PETSC_EXTERN PetscErrorCode DMTSCheckFromOptions(TS, Vec, PetscErrorCode (**)(PetscInt, PetscReal, const PetscReal[], PetscInt, PetscScalar *, void *), void **);

    553: PETSC_EXTERN PetscErrorCode DMTSSetIFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,Vec,void*),void*);
    554: PETSC_EXTERN PetscErrorCode DMTSSetIJacobianLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,PetscReal,Mat,Mat,void*),void*);
    555: PETSC_EXTERN PetscErrorCode DMTSSetRHSFunctionLocal(DM,PetscErrorCode (*)(DM,PetscReal,Vec,Vec,void*),void*);

    557: PETSC_EXTERN PetscErrorCode DMTSSetIFunctionSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));
    558: PETSC_EXTERN PetscErrorCode DMTSSetIJacobianSerialize(DM,PetscErrorCode (*)(void*,PetscViewer),PetscErrorCode (*)(void**,PetscViewer));

    560: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*);
    561: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSRHSJacobianLocal)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*);
    562: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIFunctionLocal)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*);
    563: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*DMDATSIJacobianLocal)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*);

    565: PETSC_EXTERN PetscErrorCode DMDATSSetRHSFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*),void *);
    566: PETSC_EXTERN PetscErrorCode DMDATSSetRHSJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,Mat,Mat,void*),void *);
    567: PETSC_EXTERN PetscErrorCode DMDATSSetIFunctionLocal(DM,InsertMode,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,void*,void*),void *);
    568: PETSC_EXTERN PetscErrorCode DMDATSSetIJacobianLocal(DM,PetscErrorCode (*)(DMDALocalInfo*,PetscReal,void*,void*,PetscReal,Mat,Mat,void*),void *);

    570: PETSC_EXTERN PetscErrorCode DMPlexTSGetGeometryFVM(DM,Vec*,Vec*,PetscReal*);
    571: PETSC_EXTERN PetscErrorCode DMPlexTSGetGradientDM(DM,PetscFV,DM*);

    573: typedef struct _n_TSMonitorLGCtx*  TSMonitorLGCtx;
    574: typedef struct {
    575:   Vec            ray;
    576:   VecScatter     scatter;
    577:   PetscViewer    viewer;
    578:   TSMonitorLGCtx lgctx;
    579: } TSMonitorDMDARayCtx;
    580: PETSC_EXTERN PetscErrorCode TSMonitorDMDARayDestroy(void**);
    581: PETSC_EXTERN PetscErrorCode TSMonitorDMDARay(TS,PetscInt,PetscReal,Vec,void*);
    582: PETSC_EXTERN PetscErrorCode TSMonitorLGDMDARay(TS,PetscInt,PetscReal,Vec,void*);

    584: /* Dynamic creation and loading functions */
    585: PETSC_EXTERN PetscFunctionList TSList;
    586: PETSC_EXTERN PetscErrorCode TSGetType(TS,TSType*);
    587: PETSC_EXTERN PetscErrorCode TSSetType(TS,TSType);
    588: PETSC_EXTERN PetscErrorCode TSRegister(const char[], PetscErrorCode (*)(TS));

    590: PETSC_EXTERN PetscErrorCode TSGetSNES(TS,SNES*);
    591: PETSC_EXTERN PetscErrorCode TSSetSNES(TS,SNES);
    592: PETSC_EXTERN PetscErrorCode TSGetKSP(TS,KSP*);

    594: PETSC_EXTERN PetscErrorCode TSView(TS,PetscViewer);
    595: PETSC_EXTERN PetscErrorCode TSLoad(TS,PetscViewer);
    596: PETSC_STATIC_INLINE PetscErrorCode TSViewFromOptions(TS A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}
    597: PETSC_STATIC_INLINE PetscErrorCode TSTrajectoryViewFromOptions(TSTrajectory A,PetscObject obj,const char name[]) {return PetscObjectViewFromOptions((PetscObject)A,obj,name);}

    599: #define TS_FILE_CLASSID 1211225

    601: PETSC_EXTERN PetscErrorCode TSSetApplicationContext(TS,void *);
    602: PETSC_EXTERN PetscErrorCode TSGetApplicationContext(TS,void *);

    604: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorLGCtx *);
    605: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxDestroy(TSMonitorLGCtx*);
    606: PETSC_EXTERN PetscErrorCode TSMonitorLGTimeStep(TS,PetscInt,PetscReal,Vec,void *);
    607: PETSC_EXTERN PetscErrorCode TSMonitorLGSolution(TS,PetscInt,PetscReal,Vec,void *);
    608: PETSC_EXTERN PetscErrorCode TSMonitorLGSetVariableNames(TS,const char * const*);
    609: PETSC_EXTERN PetscErrorCode TSMonitorLGGetVariableNames(TS,const char *const **);
    610: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetVariableNames(TSMonitorLGCtx,const char * const *);
    611: PETSC_EXTERN PetscErrorCode TSMonitorLGSetDisplayVariables(TS,const char * const*);
    612: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetDisplayVariables(TSMonitorLGCtx,const char * const*);
    613: PETSC_EXTERN PetscErrorCode TSMonitorLGSetTransform(TS,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void*);
    614: PETSC_EXTERN PetscErrorCode TSMonitorLGCtxSetTransform(TSMonitorLGCtx,PetscErrorCode (*)(void*,Vec,Vec*),PetscErrorCode (*)(void*),void *);
    615: PETSC_EXTERN PetscErrorCode TSMonitorLGError(TS,PetscInt,PetscReal,Vec,void *);
    616: PETSC_EXTERN PetscErrorCode TSMonitorLGSNESIterations(TS,PetscInt,PetscReal,Vec,void *);
    617: PETSC_EXTERN PetscErrorCode TSMonitorLGKSPIterations(TS,PetscInt,PetscReal,Vec,void *);
    618: PETSC_EXTERN PetscErrorCode TSMonitorError(TS,PetscInt,PetscReal,Vec,PetscViewerAndFormat *);

    620: typedef struct _n_TSMonitorEnvelopeCtx*  TSMonitorEnvelopeCtx;
    621: PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxCreate(TS,TSMonitorEnvelopeCtx*);
    622: PETSC_EXTERN PetscErrorCode TSMonitorEnvelope(TS,PetscInt,PetscReal,Vec,void*);
    623: PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeGetBounds(TS,Vec*,Vec*);
    624: PETSC_EXTERN PetscErrorCode TSMonitorEnvelopeCtxDestroy(TSMonitorEnvelopeCtx*);

    626: typedef struct _n_TSMonitorSPEigCtx*  TSMonitorSPEigCtx;
    627: PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPEigCtx *);
    628: PETSC_EXTERN PetscErrorCode TSMonitorSPEigCtxDestroy(TSMonitorSPEigCtx*);
    629: PETSC_EXTERN PetscErrorCode TSMonitorSPEig(TS,PetscInt,PetscReal,Vec,void *);

    631: typedef struct _n_TSMonitorSPCtx* TSMonitorSPCtx;
    632: PETSC_EXTERN PetscErrorCode TSMonitorSPCtxCreate(MPI_Comm,const char[],const char[],int,int,int,int,PetscInt,TSMonitorSPCtx*);
    633: PETSC_EXTERN PetscErrorCode TSMonitorSPCtxDestroy(TSMonitorSPCtx*);
    634: PETSC_EXTERN PetscErrorCode TSMonitorSPSwarmSolution(TS,PetscInt,PetscReal,Vec,void*);

    636: PETSC_EXTERN PetscErrorCode TSSetEventHandler(TS,PetscInt,PetscInt[],PetscBool[],PetscErrorCode (*)(TS,PetscReal,Vec,PetscScalar[],void*),PetscErrorCode (*)(TS,PetscInt,PetscInt[],PetscReal,Vec,PetscBool,void*),void*);
    637: PETSC_EXTERN PetscErrorCode TSSetPostEventIntervalStep(TS,PetscReal);
    638: PETSC_EXTERN PetscErrorCode TSSetEventTolerances(TS,PetscReal,PetscReal[]);
    639: /*J
    640:    TSSSPType - string with the name of TSSSP scheme.

    642:    Level: beginner

    644: .seealso: TSSSPSetType(), TS
    645: J*/
    646: typedef const char* TSSSPType;
    647: #define TSSSPRKS2  "rks2"
    648: #define TSSSPRKS3  "rks3"
    649: #define TSSSPRK104 "rk104"

    651: PETSC_EXTERN PetscErrorCode TSSSPSetType(TS,TSSSPType);
    652: PETSC_EXTERN PetscErrorCode TSSSPGetType(TS,TSSSPType*);
    653: PETSC_EXTERN PetscErrorCode TSSSPSetNumStages(TS,PetscInt);
    654: PETSC_EXTERN PetscErrorCode TSSSPGetNumStages(TS,PetscInt*);
    655: PETSC_EXTERN PetscErrorCode TSSSPInitializePackage(void);
    656: PETSC_EXTERN PetscErrorCode TSSSPFinalizePackage(void);
    657: PETSC_EXTERN PetscFunctionList TSSSPList;

    659: /*S
    660:    TSAdapt - Abstract object that manages time-step adaptivity

    662:    Level: beginner

    664: .seealso: TS, TSAdaptCreate(), TSAdaptType
    665: S*/
    666: typedef struct _p_TSAdapt *TSAdapt;

    668: /*E
    669:     TSAdaptType - String with the name of TSAdapt scheme.

    671:    Level: beginner

    673: .seealso: TSAdaptSetType(), TS
    674: E*/
    675: typedef const char *TSAdaptType;
    676: #define TSADAPTNONE    "none"
    677: #define TSADAPTBASIC   "basic"
    678: #define TSADAPTDSP     "dsp"
    679: #define TSADAPTCFL     "cfl"
    680: #define TSADAPTGLEE    "glee"
    681: #define TSADAPTHISTORY "history"

    683: PETSC_EXTERN PetscErrorCode TSGetAdapt(TS,TSAdapt*);
    684: PETSC_EXTERN PetscErrorCode TSAdaptRegister(const char[],PetscErrorCode (*)(TSAdapt));
    685: PETSC_EXTERN PetscErrorCode TSAdaptInitializePackage(void);
    686: PETSC_EXTERN PetscErrorCode TSAdaptFinalizePackage(void);
    687: PETSC_EXTERN PetscErrorCode TSAdaptCreate(MPI_Comm,TSAdapt*);
    688: PETSC_EXTERN PetscErrorCode TSAdaptSetType(TSAdapt,TSAdaptType);
    689: PETSC_EXTERN PetscErrorCode TSAdaptGetType(TSAdapt,TSAdaptType*);
    690: PETSC_EXTERN PetscErrorCode TSAdaptSetOptionsPrefix(TSAdapt,const char[]);
    691: PETSC_EXTERN PetscErrorCode TSAdaptCandidatesClear(TSAdapt);
    692: PETSC_EXTERN PetscErrorCode TSAdaptCandidateAdd(TSAdapt,const char[],PetscInt,PetscInt,PetscReal,PetscReal,PetscBool);
    693: PETSC_EXTERN PetscErrorCode TSAdaptCandidatesGet(TSAdapt,PetscInt*,const PetscInt**,const PetscInt**,const PetscReal**,const PetscReal**);
    694: PETSC_EXTERN PetscErrorCode TSAdaptChoose(TSAdapt,TS,PetscReal,PetscInt*,PetscReal*,PetscBool*);
    695: PETSC_EXTERN PetscErrorCode TSAdaptCheckStage(TSAdapt,TS,PetscReal,Vec,PetscBool*);
    696: PETSC_EXTERN PetscErrorCode TSAdaptView(TSAdapt,PetscViewer);
    697: PETSC_EXTERN PetscErrorCode TSAdaptLoad(TSAdapt,PetscViewer);
    698: PETSC_EXTERN PetscErrorCode TSAdaptSetFromOptions(PetscOptionItems*,TSAdapt);
    699: PETSC_EXTERN PetscErrorCode TSAdaptReset(TSAdapt);
    700: PETSC_EXTERN PetscErrorCode TSAdaptDestroy(TSAdapt*);
    701: PETSC_EXTERN PetscErrorCode TSAdaptSetMonitor(TSAdapt,PetscBool);
    702: PETSC_EXTERN PetscErrorCode TSAdaptSetAlwaysAccept(TSAdapt,PetscBool);
    703: PETSC_EXTERN PetscErrorCode TSAdaptSetSafety(TSAdapt,PetscReal,PetscReal);
    704: PETSC_EXTERN PetscErrorCode TSAdaptGetSafety(TSAdapt,PetscReal*,PetscReal*);
    705: PETSC_EXTERN PetscErrorCode TSAdaptSetMaxIgnore(TSAdapt,PetscReal);
    706: PETSC_EXTERN PetscErrorCode TSAdaptGetMaxIgnore(TSAdapt,PetscReal*);
    707: PETSC_EXTERN PetscErrorCode TSAdaptSetClip(TSAdapt,PetscReal,PetscReal);
    708: PETSC_EXTERN PetscErrorCode TSAdaptGetClip(TSAdapt,PetscReal*,PetscReal*);
    709: PETSC_EXTERN PetscErrorCode TSAdaptSetStepLimits(TSAdapt,PetscReal,PetscReal);
    710: PETSC_EXTERN PetscErrorCode TSAdaptGetStepLimits(TSAdapt,PetscReal*,PetscReal*);
    711: PETSC_EXTERN PetscErrorCode TSAdaptSetCheckStage(TSAdapt,PetscErrorCode(*)(TSAdapt,TS,PetscReal,Vec,PetscBool*));
    712: PETSC_EXTERN PetscErrorCode TSAdaptHistorySetHistory(TSAdapt,PetscInt n,PetscReal hist[],PetscBool);
    713: PETSC_EXTERN PetscErrorCode TSAdaptHistorySetTrajectory(TSAdapt,TSTrajectory,PetscBool);
    714: PETSC_EXTERN PetscErrorCode TSAdaptHistoryGetStep(TSAdapt,PetscInt,PetscReal*,PetscReal*);
    715: PETSC_EXTERN PetscErrorCode TSAdaptSetTimeStepIncreaseDelay(TSAdapt,PetscInt);
    716: PETSC_EXTERN PetscErrorCode TSAdaptDSPSetFilter(TSAdapt,const char *);
    717: PETSC_EXTERN PetscErrorCode TSAdaptDSPSetPID(TSAdapt,PetscReal,PetscReal,PetscReal);

    719: /*S
    720:    TSGLLEAdapt - Abstract object that manages time-step adaptivity

    722:    Level: beginner

    724:    Developer Notes:
    725:    This functionality should be replaced by the TSAdapt.

    727: .seealso: TSGLLE, TSGLLEAdaptCreate(), TSGLLEAdaptType
    728: S*/
    729: typedef struct _p_TSGLLEAdapt *TSGLLEAdapt;

    731: /*J
    732:     TSGLLEAdaptType - String with the name of TSGLLEAdapt scheme

    734:    Level: beginner

    736: .seealso: TSGLLEAdaptSetType(), TS
    737: J*/
    738: typedef const char *TSGLLEAdaptType;
    739: #define TSGLLEADAPT_NONE "none"
    740: #define TSGLLEADAPT_SIZE "size"
    741: #define TSGLLEADAPT_BOTH "both"

    743: PETSC_EXTERN PetscErrorCode TSGLLEAdaptRegister(const char[],PetscErrorCode (*)(TSGLLEAdapt));
    744: PETSC_EXTERN PetscErrorCode TSGLLEAdaptInitializePackage(void);
    745: PETSC_EXTERN PetscErrorCode TSGLLEAdaptFinalizePackage(void);
    746: PETSC_EXTERN PetscErrorCode TSGLLEAdaptCreate(MPI_Comm,TSGLLEAdapt*);
    747: PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetType(TSGLLEAdapt,TSGLLEAdaptType);
    748: PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetOptionsPrefix(TSGLLEAdapt,const char[]);
    749: PETSC_EXTERN PetscErrorCode TSGLLEAdaptChoose(TSGLLEAdapt,PetscInt,const PetscInt[],const PetscReal[],const PetscReal[],PetscInt,PetscReal,PetscReal,PetscInt*,PetscReal*,PetscBool *);
    750: PETSC_EXTERN PetscErrorCode TSGLLEAdaptView(TSGLLEAdapt,PetscViewer);
    751: PETSC_EXTERN PetscErrorCode TSGLLEAdaptSetFromOptions(PetscOptionItems*,TSGLLEAdapt);
    752: PETSC_EXTERN PetscErrorCode TSGLLEAdaptDestroy(TSGLLEAdapt*);

    754: /*J
    755:     TSGLLEAcceptType - String with the name of TSGLLEAccept scheme

    757:    Level: beginner

    759: .seealso: TSGLLESetAcceptType(), TS
    760: J*/
    761: typedef const char *TSGLLEAcceptType;
    762: #define TSGLLEACCEPT_ALWAYS "always"

    764: PETSC_EXTERN_TYPEDEF typedef PetscErrorCode (*TSGLLEAcceptFunction)(TS,PetscReal,PetscReal,const PetscReal[],PetscBool *);
    765: PETSC_EXTERN PetscErrorCode TSGLLEAcceptRegister(const char[],TSGLLEAcceptFunction);

    767: /*J
    768:   TSGLLEType - family of time integration method within the General Linear class

    770:   Level: beginner

    772: .seealso: TSGLLESetType(), TSGLLERegister()
    773: J*/
    774: typedef const char* TSGLLEType;
    775: #define TSGLLE_IRKS   "irks"

    777: PETSC_EXTERN PetscErrorCode TSGLLERegister(const char[],PetscErrorCode(*)(TS));
    778: PETSC_EXTERN PetscErrorCode TSGLLEInitializePackage(void);
    779: PETSC_EXTERN PetscErrorCode TSGLLEFinalizePackage(void);
    780: PETSC_EXTERN PetscErrorCode TSGLLESetType(TS,TSGLLEType);
    781: PETSC_EXTERN PetscErrorCode TSGLLEGetAdapt(TS,TSGLLEAdapt*);
    782: PETSC_EXTERN PetscErrorCode TSGLLESetAcceptType(TS,TSGLLEAcceptType);

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

    787:    Level: beginner

    789: .seealso: TSEIMEXSetType(), TS, TSEIMEX, TSEIMEXRegister()
    790: J*/
    791: #define TSEIMEXType   char*

    793: PETSC_EXTERN PetscErrorCode TSEIMEXSetMaxRows(TS ts,PetscInt);
    794: PETSC_EXTERN PetscErrorCode TSEIMEXSetRowCol(TS ts,PetscInt,PetscInt);
    795: PETSC_EXTERN PetscErrorCode TSEIMEXSetOrdAdapt(TS,PetscBool);

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

    800:    Level: beginner

    802: .seealso: TSRKSetType(), TS, TSRK, TSRKRegister()
    803: J*/
    804: typedef const char* TSRKType;
    805: #define TSRK1FE   "1fe"
    806: #define TSRK2A    "2a"
    807: #define TSRK3     "3"
    808: #define TSRK3BS   "3bs"
    809: #define TSRK4     "4"
    810: #define TSRK5F    "5f"
    811: #define TSRK5DP   "5dp"
    812: #define TSRK5BS   "5bs"
    813: #define TSRK6VR   "6vr"
    814: #define TSRK7VR   "7vr"
    815: #define TSRK8VR   "8vr"

    817: PETSC_EXTERN PetscErrorCode TSRKGetType(TS ts,TSRKType*);
    818: PETSC_EXTERN PetscErrorCode TSRKSetType(TS ts,TSRKType);
    819: PETSC_EXTERN PetscErrorCode TSRKSetMultirate(TS,PetscBool);
    820: PETSC_EXTERN PetscErrorCode TSRKGetMultirate(TS,PetscBool*);
    821: PETSC_EXTERN PetscErrorCode TSRKSetFullyImplicit(TS,PetscBool);
    822: PETSC_EXTERN PetscErrorCode TSRKRegister(TSRKType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
    823: PETSC_EXTERN PetscErrorCode TSRKInitializePackage(void);
    824: PETSC_EXTERN PetscErrorCode TSRKFinalizePackage(void);
    825: PETSC_EXTERN PetscErrorCode TSRKRegisterDestroy(void);

    827: /*J
    828:    TSMPRKType - String with the name of a Partitioned Runge-Kutta method

    830:    Level: beginner

    832: .seealso: TSMPRKSetType(), TS, TSMPRK, TSMPRKRegister()
    833: J*/
    834: typedef const char* TSMPRKType;
    835: #define TSMPRK2A22   "2a22"
    836: #define TSMPRK2A23   "2a23"
    837: #define TSMPRK2A32   "2a32"
    838: #define TSMPRK2A33   "2a33"
    839: #define TSMPRKP2    "p2"
    840: #define TSMPRKP3    "p3"

    842: PETSC_EXTERN PetscErrorCode TSMPRKGetType(TS ts,TSMPRKType*);
    843: PETSC_EXTERN PetscErrorCode TSMPRKSetType(TS ts,TSMPRKType);
    844: 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[]);
    845: PETSC_EXTERN PetscErrorCode TSMPRKInitializePackage(void);
    846: PETSC_EXTERN PetscErrorCode TSMPRKFinalizePackage(void);
    847: PETSC_EXTERN PetscErrorCode TSMPRKRegisterDestroy(void);

    849: /*J
    850:     TSGLEEType - String with the name of a General Linear with Error Estimation method.

    852:    Level: beginner

    854: .seealso: TSGLEESetType(), TS, TSGLEE, TSGLEERegister()
    855: J*/
    856: typedef const char* TSGLEEType;
    857: #define TSGLEEi1      "BE1"
    858: #define TSGLEE23      "23"
    859: #define TSGLEE24      "24"
    860: #define TSGLEE25I     "25i"
    861: #define TSGLEE35      "35"
    862: #define TSGLEEEXRK2A  "exrk2a"
    863: #define TSGLEERK32G1  "rk32g1"
    864: #define TSGLEERK285EX "rk285ex"
    865: /*J
    866:     TSGLEEMode - String with the mode of error estimation for a General Linear with Error Estimation method.

    868:    Level: beginner

    870: .seealso: TSGLEESetMode(), TS, TSGLEE, TSGLEERegister()
    871: J*/
    872: PETSC_EXTERN PetscErrorCode TSGLEEGetType(TS ts,TSGLEEType*);
    873: PETSC_EXTERN PetscErrorCode TSGLEESetType(TS ts,TSGLEEType);
    874: 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[]);
    875: PETSC_EXTERN PetscErrorCode TSGLEEFinalizePackage(void);
    876: PETSC_EXTERN PetscErrorCode TSGLEEInitializePackage(void);
    877: PETSC_EXTERN PetscErrorCode TSGLEERegisterDestroy(void);

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

    882:    Level: beginner

    884: .seealso: TSARKIMEXSetType(), TS, TSARKIMEX, TSARKIMEXRegister()
    885: J*/
    886: typedef const char* TSARKIMEXType;
    887: #define TSARKIMEX1BEE   "1bee"
    888: #define TSARKIMEXA2     "a2"
    889: #define TSARKIMEXL2     "l2"
    890: #define TSARKIMEXARS122 "ars122"
    891: #define TSARKIMEX2C     "2c"
    892: #define TSARKIMEX2D     "2d"
    893: #define TSARKIMEX2E     "2e"
    894: #define TSARKIMEXPRSSP2 "prssp2"
    895: #define TSARKIMEX3      "3"
    896: #define TSARKIMEXBPR3   "bpr3"
    897: #define TSARKIMEXARS443 "ars443"
    898: #define TSARKIMEX4      "4"
    899: #define TSARKIMEX5      "5"
    900: PETSC_EXTERN PetscErrorCode TSARKIMEXGetType(TS ts,TSARKIMEXType*);
    901: PETSC_EXTERN PetscErrorCode TSARKIMEXSetType(TS ts,TSARKIMEXType);
    902: PETSC_EXTERN PetscErrorCode TSARKIMEXSetFullyImplicit(TS,PetscBool);
    903: 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[]);
    904: PETSC_EXTERN PetscErrorCode TSARKIMEXInitializePackage(void);
    905: PETSC_EXTERN PetscErrorCode TSARKIMEXFinalizePackage(void);
    906: PETSC_EXTERN PetscErrorCode TSARKIMEXRegisterDestroy(void);

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

    911:    Level: beginner

    913: .seealso: TSRosWSetType(), TS, TSROSW, TSRosWRegister()
    914: J*/
    915: typedef const char* TSRosWType;
    916: #define TSROSW2M          "2m"
    917: #define TSROSW2P          "2p"
    918: #define TSROSWRA3PW       "ra3pw"
    919: #define TSROSWRA34PW2     "ra34pw2"
    920: #define TSROSWRODAS3      "rodas3"
    921: #define TSROSWSANDU3      "sandu3"
    922: #define TSROSWASSP3P3S1C  "assp3p3s1c"
    923: #define TSROSWLASSP3P4S2C "lassp3p4s2c"
    924: #define TSROSWLLSSP3P4S2C "llssp3p4s2c"
    925: #define TSROSWARK3        "ark3"
    926: #define TSROSWTHETA1      "theta1"
    927: #define TSROSWTHETA2      "theta2"
    928: #define TSROSWGRK4T       "grk4t"
    929: #define TSROSWSHAMP4      "shamp4"
    930: #define TSROSWVELDD4      "veldd4"
    931: #define TSROSW4L          "4l"

    933: PETSC_EXTERN PetscErrorCode TSRosWGetType(TS,TSRosWType*);
    934: PETSC_EXTERN PetscErrorCode TSRosWSetType(TS,TSRosWType);
    935: PETSC_EXTERN PetscErrorCode TSRosWSetRecomputeJacobian(TS,PetscBool);
    936: PETSC_EXTERN PetscErrorCode TSRosWRegister(TSRosWType,PetscInt,PetscInt,const PetscReal[],const PetscReal[],const PetscReal[],const PetscReal[],PetscInt,const PetscReal[]);
    937: PETSC_EXTERN PetscErrorCode TSRosWRegisterRos4(TSRosWType,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal);
    938: PETSC_EXTERN PetscErrorCode TSRosWInitializePackage(void);
    939: PETSC_EXTERN PetscErrorCode TSRosWFinalizePackage(void);
    940: PETSC_EXTERN PetscErrorCode TSRosWRegisterDestroy(void);

    942: PETSC_EXTERN PetscErrorCode TSBDFSetOrder(TS,PetscInt);
    943: PETSC_EXTERN PetscErrorCode TSBDFGetOrder(TS,PetscInt*);

    945: /*J
    946:   TSBasicSymplecticType - String with the name of a basic symplectic integration method.

    948:   Level: beginner

    950:   .seealso: TSBasicSymplecticSetType(), TS, TSBASICSYMPLECTIC, TSBasicSymplecticRegister()
    951: J*/
    952: typedef const char* TSBasicSymplecticType;
    953: #define TSBASICSYMPLECTICSIEULER   "1"
    954: #define TSBASICSYMPLECTICVELVERLET "2"
    955: #define TSBASICSYMPLECTIC3         "3"
    956: #define TSBASICSYMPLECTIC4         "4"
    957: PETSC_EXTERN PetscErrorCode TSBasicSymplecticSetType(TS,TSBasicSymplecticType);
    958: PETSC_EXTERN PetscErrorCode TSBasicSymplecticGetType(TS,TSBasicSymplecticType*);
    959: PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegister(TSBasicSymplecticType,PetscInt,PetscInt,PetscReal[],PetscReal[]);
    960: PETSC_EXTERN PetscErrorCode TSBasicSymplecticInitializePackage(void);
    961: PETSC_EXTERN PetscErrorCode TSBasicSymplecticFinalizePackage(void);
    962: PETSC_EXTERN PetscErrorCode TSBasicSymplecticRegisterDestroy(void);

    964: /*
    965:        PETSc interface to Sundials
    966: */
    967: #ifdef PETSC_HAVE_SUNDIALS
    968: typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsLmmType;
    969: PETSC_EXTERN const char *const TSSundialsLmmTypes[];
    970: typedef enum { SUNDIALS_MODIFIED_GS = 1,SUNDIALS_CLASSICAL_GS = 2 } TSSundialsGramSchmidtType;
    971: PETSC_EXTERN const char *const TSSundialsGramSchmidtTypes[];
    972: PETSC_EXTERN PetscErrorCode TSSundialsSetType(TS,TSSundialsLmmType);
    973: PETSC_EXTERN PetscErrorCode TSSundialsGetPC(TS,PC*);
    974: PETSC_EXTERN PetscErrorCode TSSundialsSetTolerance(TS,PetscReal,PetscReal);
    975: PETSC_EXTERN PetscErrorCode TSSundialsSetMinTimeStep(TS,PetscReal);
    976: PETSC_EXTERN PetscErrorCode TSSundialsSetMaxTimeStep(TS,PetscReal);
    977: PETSC_EXTERN PetscErrorCode TSSundialsGetIterations(TS,PetscInt *,PetscInt *);
    978: PETSC_EXTERN PetscErrorCode TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType);
    979: PETSC_EXTERN PetscErrorCode TSSundialsSetGMRESRestart(TS,PetscInt);
    980: PETSC_EXTERN PetscErrorCode TSSundialsSetLinearTolerance(TS,PetscReal);
    981: PETSC_EXTERN PetscErrorCode TSSundialsMonitorInternalSteps(TS,PetscBool );
    982: PETSC_EXTERN PetscErrorCode TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]);
    983: PETSC_EXTERN PetscErrorCode TSSundialsSetMaxl(TS,PetscInt);
    984: #endif

    986: PETSC_EXTERN PetscErrorCode TSThetaSetTheta(TS,PetscReal);
    987: PETSC_EXTERN PetscErrorCode TSThetaGetTheta(TS,PetscReal*);
    988: PETSC_EXTERN PetscErrorCode TSThetaGetEndpoint(TS,PetscBool*);
    989: PETSC_EXTERN PetscErrorCode TSThetaSetEndpoint(TS,PetscBool);

    991: PETSC_EXTERN PetscErrorCode TSAlphaSetRadius(TS,PetscReal);
    992: PETSC_EXTERN PetscErrorCode TSAlphaSetParams(TS,PetscReal,PetscReal,PetscReal);
    993: PETSC_EXTERN PetscErrorCode TSAlphaGetParams(TS,PetscReal*,PetscReal*,PetscReal*);

    995: PETSC_EXTERN PetscErrorCode TSAlpha2SetRadius(TS,PetscReal);
    996: PETSC_EXTERN PetscErrorCode TSAlpha2SetParams(TS,PetscReal,PetscReal,PetscReal,PetscReal);
    997: PETSC_EXTERN PetscErrorCode TSAlpha2GetParams(TS,PetscReal*,PetscReal*,PetscReal*,PetscReal*);

    999: PETSC_EXTERN PetscErrorCode TSSetDM(TS,DM);
    1000: PETSC_EXTERN PetscErrorCode TSGetDM(TS,DM*);

    1002: PETSC_EXTERN PetscErrorCode SNESTSFormFunction(SNES,Vec,Vec,void*);
    1003: PETSC_EXTERN PetscErrorCode SNESTSFormJacobian(SNES,Vec,Mat,Mat,void*);

    1005: PETSC_EXTERN PetscErrorCode TSRHSJacobianTest(TS,PetscBool*);
    1006: PETSC_EXTERN PetscErrorCode TSRHSJacobianTestTranspose(TS,PetscBool*);
    1007: #endif