Date: 2021-03-03T22:27:10+00:00

Actual source code: petscpc.h
petsc-3.14.5 2021-03-03
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      1: /*
      2:       Preconditioner module.
      3: */
      4: #if !defined(PETSCPC_H)
      5: #define PETSCPC_H
      6: #include <petscmat.h>
      7: #include <petscdmtypes.h>
      8: #include <petscpctypes.h>

     10: PETSC_EXTERN PetscErrorCode PCInitializePackage(void);

     12: /*
     13:     PCList contains the list of preconditioners currently registered
     14:    These are added with PCRegister()
     15: */
     16: PETSC_EXTERN PetscFunctionList PCList;

     18: /* Logging support */
     19: PETSC_EXTERN PetscClassId PC_CLASSID;

     21: /* Arrays of names for options in implementation PCs */
     22: PETSC_EXTERN const char *const *const PCSides;
     23: PETSC_EXTERN const char *const PCJacobiTypes[];
     24: PETSC_EXTERN const char *const PCASMTypes[];
     25: PETSC_EXTERN const char *const PCGASMTypes[];
     26: PETSC_EXTERN const char *const PCCompositeTypes[];
     27: PETSC_EXTERN const char *const PCFieldSplitSchurPreTypes[];
     28: PETSC_EXTERN const char *const PCFieldSplitSchurFactTypes[];
     29: PETSC_EXTERN const char *const PCPARMSGlobalTypes[];
     30: PETSC_EXTERN const char *const PCPARMSLocalTypes[];
     31: PETSC_EXTERN const char *const PCMGTypes[];
     32: PETSC_EXTERN const char *const PCMGCycleTypes[];
     33: PETSC_EXTERN const char *const PCMGGalerkinTypes[];
     34: PETSC_EXTERN const char *const PCMGCoarseSpaceTypes[];
     35: PETSC_EXTERN const char *const PCExoticTypes[];
     36: PETSC_EXTERN const char *const PCPatchConstructTypes[];
     37: PETSC_EXTERN const char *const PCDeflationTypes[];
     38: PETSC_EXTERN const char *const *const PCFailedReasons;

     40: PETSC_EXTERN PetscErrorCode PCCreate(MPI_Comm,PC*);
     41: PETSC_EXTERN PetscErrorCode PCSetType(PC,PCType);
     42: PETSC_EXTERN PetscErrorCode PCGetType(PC,PCType*);
     43: PETSC_EXTERN PetscErrorCode PCSetUp(PC);

     45: PETSC_EXTERN PetscErrorCode PCSetFailedReason(PC,PCFailedReason);
     46: PETSC_EXTERN PetscErrorCode PCGetFailedReason(PC,PCFailedReason*);
     47: PETSC_DEPRECATED_FUNCTION("Use PCGetFailedReason() (since version 3.11)") PETSC_STATIC_INLINE PetscErrorCode PCGetSetUpFailedReason(PC pc,PCFailedReason *reason) {return PCGetFailedReason(pc,reason);}
     48: PETSC_EXTERN PetscErrorCode PCGetFailedReasonRank(PC,PCFailedReason*);

     50: PETSC_EXTERN PetscErrorCode PCSetUpOnBlocks(PC);
     51: PETSC_EXTERN PetscErrorCode PCApply(PC,Vec,Vec);
     52: PETSC_EXTERN PetscErrorCode PCMatApply(PC,Mat,Mat);
     53: PETSC_EXTERN PetscErrorCode PCApplySymmetricLeft(PC,Vec,Vec);
     54: PETSC_EXTERN PetscErrorCode PCApplySymmetricRight(PC,Vec,Vec);
     55: PETSC_EXTERN PetscErrorCode PCApplyBAorAB(PC,PCSide,Vec,Vec,Vec);
     56: PETSC_EXTERN PetscErrorCode PCApplyTranspose(PC,Vec,Vec);
     57: PETSC_EXTERN PetscErrorCode PCApplyTransposeExists(PC,PetscBool *);
     58: PETSC_EXTERN PetscErrorCode PCApplyBAorABTranspose(PC,PCSide,Vec,Vec,Vec);
     59: PETSC_EXTERN PetscErrorCode PCSetReusePreconditioner(PC,PetscBool);
     60: PETSC_EXTERN PetscErrorCode PCGetReusePreconditioner(PC,PetscBool*);
     61: PETSC_EXTERN PetscErrorCode PCSetErrorIfFailure(PC,PetscBool);

     63: #define PC_FILE_CLASSID 1211222

     65: PETSC_EXTERN PetscErrorCode PCApplyRichardson(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*);
     66: PETSC_EXTERN PetscErrorCode PCApplyRichardsonExists(PC,PetscBool *);
     67: PETSC_EXTERN PetscErrorCode PCSetUseAmat(PC,PetscBool);
     68: PETSC_EXTERN PetscErrorCode PCGetUseAmat(PC,PetscBool*);

     70: PETSC_EXTERN PetscErrorCode PCRegister(const char[],PetscErrorCode(*)(PC));

     72: PETSC_EXTERN PetscErrorCode PCReset(PC);
     73: PETSC_EXTERN PetscErrorCode PCDestroy(PC*);
     74: PETSC_EXTERN PetscErrorCode PCSetFromOptions(PC);

     76: PETSC_EXTERN PetscErrorCode PCFactorGetMatrix(PC,Mat*);
     77: PETSC_EXTERN PetscErrorCode PCSetModifySubMatrices(PC,PetscErrorCode(*)(PC,PetscInt,const IS[],const IS[],Mat[],void*),void*);
     78: PETSC_EXTERN PetscErrorCode PCModifySubMatrices(PC,PetscInt,const IS[],const IS[],Mat[],void*);

     80: PETSC_EXTERN PetscErrorCode PCSetOperators(PC,Mat,Mat);
     81: PETSC_EXTERN PetscErrorCode PCGetOperators(PC,Mat*,Mat*);
     82: PETSC_EXTERN PetscErrorCode PCGetOperatorsSet(PC,PetscBool *,PetscBool *);

     84: PETSC_EXTERN PetscErrorCode PCView(PC,PetscViewer);
     85: PETSC_EXTERN PetscErrorCode PCLoad(PC,PetscViewer);
     86: PETSC_EXTERN PetscErrorCode PCViewFromOptions(PC,PetscObject,const char[]);

     88: PETSC_EXTERN PetscErrorCode PCSetOptionsPrefix(PC,const char[]);
     89: PETSC_EXTERN PetscErrorCode PCAppendOptionsPrefix(PC,const char[]);
     90: PETSC_EXTERN PetscErrorCode PCGetOptionsPrefix(PC,const char*[]);

     92: PETSC_EXTERN PetscErrorCode PCComputeOperator(PC,MatType,Mat*);
     93: PETSC_DEPRECATED_FUNCTION("Use PCComputeOperator() (since version 3.12)") PETSC_STATIC_INLINE PetscErrorCode PCComputeExplicitOperator(PC A,Mat* B) { return PCComputeOperator(A,NULL,B); }

     95: /*
     96:       These are used to provide extra scaling of preconditioned
     97:    operator for time-stepping schemes like in SUNDIALS
     98: */
     99: PETSC_EXTERN PetscErrorCode PCGetDiagonalScale(PC,PetscBool *);
    100: PETSC_EXTERN PetscErrorCode PCDiagonalScaleLeft(PC,Vec,Vec);
    101: PETSC_EXTERN PetscErrorCode PCDiagonalScaleRight(PC,Vec,Vec);
    102: PETSC_EXTERN PetscErrorCode PCSetDiagonalScale(PC,Vec);

    104: PETSC_EXTERN PetscErrorCode PCSetDM(PC,DM);
    105: PETSC_EXTERN PetscErrorCode PCGetDM(PC,DM*);

    107: PETSC_EXTERN PetscErrorCode PCGetInterpolations(PC,PetscInt*,Mat*[]);
    108: PETSC_EXTERN PetscErrorCode PCGetCoarseOperators(PC pc,PetscInt*,Mat*[]);

    110: PETSC_EXTERN PetscErrorCode PCSetCoordinates(PC,PetscInt,PetscInt,PetscReal*);

    112: PETSC_EXTERN PetscErrorCode PCSetApplicationContext(PC,void*);
    113: PETSC_EXTERN PetscErrorCode PCGetApplicationContext(PC,void*);

    115: /* ------------- options specific to particular preconditioners --------- */

    117: PETSC_EXTERN PetscErrorCode PCJacobiSetType(PC,PCJacobiType);
    118: PETSC_EXTERN PetscErrorCode PCJacobiGetType(PC,PCJacobiType*);
    119: PETSC_EXTERN PetscErrorCode PCJacobiSetUseAbs(PC,PetscBool);
    120: PETSC_EXTERN PetscErrorCode PCJacobiGetUseAbs(PC,PetscBool*);
    121: PETSC_EXTERN PetscErrorCode PCSORSetSymmetric(PC,MatSORType);
    122: PETSC_EXTERN PetscErrorCode PCSORGetSymmetric(PC,MatSORType*);
    123: PETSC_EXTERN PetscErrorCode PCSORSetOmega(PC,PetscReal);
    124: PETSC_EXTERN PetscErrorCode PCSORGetOmega(PC,PetscReal*);
    125: PETSC_EXTERN PetscErrorCode PCSORSetIterations(PC,PetscInt,PetscInt);
    126: PETSC_EXTERN PetscErrorCode PCSORGetIterations(PC,PetscInt*,PetscInt*);

    128: PETSC_EXTERN PetscErrorCode PCEisenstatSetOmega(PC,PetscReal);
    129: PETSC_EXTERN PetscErrorCode PCEisenstatGetOmega(PC,PetscReal*);
    130: PETSC_EXTERN PetscErrorCode PCEisenstatSetNoDiagonalScaling(PC,PetscBool);
    131: PETSC_EXTERN PetscErrorCode PCEisenstatGetNoDiagonalScaling(PC,PetscBool*);

    133: PETSC_EXTERN PetscErrorCode PCBJacobiSetTotalBlocks(PC,PetscInt,const PetscInt[]);
    134: PETSC_EXTERN PetscErrorCode PCBJacobiGetTotalBlocks(PC,PetscInt*,const PetscInt*[]);
    135: PETSC_EXTERN PetscErrorCode PCBJacobiSetLocalBlocks(PC,PetscInt,const PetscInt[]);
    136: PETSC_EXTERN PetscErrorCode PCBJacobiGetLocalBlocks(PC,PetscInt*,const PetscInt*[]);

    138: PETSC_EXTERN PetscErrorCode PCShellSetApply(PC,PetscErrorCode (*)(PC,Vec,Vec));
    139: PETSC_EXTERN PetscErrorCode PCShellSetMatApply(PC,PetscErrorCode (*)(PC,Mat,Mat));
    140: PETSC_EXTERN PetscErrorCode PCShellSetApplySymmetricLeft(PC,PetscErrorCode (*)(PC,Vec,Vec));
    141: PETSC_EXTERN PetscErrorCode PCShellSetApplySymmetricRight(PC,PetscErrorCode (*)(PC,Vec,Vec));
    142: PETSC_EXTERN PetscErrorCode PCShellSetApplyBA(PC,PetscErrorCode (*)(PC,PCSide,Vec,Vec,Vec));
    143: PETSC_EXTERN PetscErrorCode PCShellSetApplyTranspose(PC,PetscErrorCode (*)(PC,Vec,Vec));
    144: PETSC_EXTERN PetscErrorCode PCShellSetSetUp(PC,PetscErrorCode (*)(PC));
    145: PETSC_EXTERN PetscErrorCode PCShellSetApplyRichardson(PC,PetscErrorCode (*)(PC,Vec,Vec,Vec,PetscReal,PetscReal,PetscReal,PetscInt,PetscBool ,PetscInt*,PCRichardsonConvergedReason*));
    146: PETSC_EXTERN PetscErrorCode PCShellSetView(PC,PetscErrorCode (*)(PC,PetscViewer));
    147: PETSC_EXTERN PetscErrorCode PCShellSetDestroy(PC,PetscErrorCode (*)(PC));
    148: PETSC_EXTERN PetscErrorCode PCShellSetContext(PC,void*);
    149: PETSC_EXTERN PetscErrorCode PCShellGetContext(PC,void**);
    150: PETSC_EXTERN PetscErrorCode PCShellSetName(PC,const char[]);
    151: PETSC_EXTERN PetscErrorCode PCShellGetName(PC,const char*[]);

    153: PETSC_EXTERN PetscErrorCode PCFactorSetZeroPivot(PC,PetscReal);

    155: PETSC_EXTERN PetscErrorCode PCFactorSetShiftType(PC,MatFactorShiftType);
    156: PETSC_EXTERN PetscErrorCode PCFactorSetShiftAmount(PC,PetscReal);

    158: PETSC_EXTERN PetscErrorCode PCFactorSetMatSolverType(PC,MatSolverType);
    159: PETSC_EXTERN PetscErrorCode PCFactorGetMatSolverType(PC,MatSolverType*);
    160: PETSC_EXTERN PetscErrorCode PCFactorSetUpMatSolverType(PC);
    161: PETSC_DEPRECATED_FUNCTION("Use PCFactorSetMatSolverType() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode PCFactorSetMatSolverPackage(PC pc,MatSolverType stype) {return PCFactorSetMatSolverType(pc,stype);}
    162: PETSC_DEPRECATED_FUNCTION("Use PCFactorGetMatSolverType() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode PCFactorGetMatSolverPackage(PC pc,MatSolverType *stype) {return PCFactorGetMatSolverType(pc,stype);}
    163: PETSC_DEPRECATED_FUNCTION("Use PCFactorSetUpMatSolverType() (since version 3.9)") PETSC_STATIC_INLINE PetscErrorCode PCFactorSetUpMatSolverPackage(PC pc) {return PCFactorSetUpMatSolverType(pc);}

    165: PETSC_EXTERN PetscErrorCode PCFactorSetFill(PC,PetscReal);
    166: PETSC_EXTERN PetscErrorCode PCFactorSetColumnPivot(PC,PetscReal);
    167: PETSC_EXTERN PetscErrorCode PCFactorReorderForNonzeroDiagonal(PC,PetscReal);

    169: PETSC_EXTERN PetscErrorCode PCFactorSetMatOrderingType(PC,MatOrderingType);
    170: PETSC_EXTERN PetscErrorCode PCFactorSetReuseOrdering(PC,PetscBool);
    171: PETSC_EXTERN PetscErrorCode PCFactorSetReuseFill(PC,PetscBool);
    172: PETSC_EXTERN PetscErrorCode PCFactorSetUseInPlace(PC,PetscBool);
    173: PETSC_EXTERN PetscErrorCode PCFactorGetUseInPlace(PC,PetscBool*);
    174: PETSC_EXTERN PetscErrorCode PCFactorSetAllowDiagonalFill(PC,PetscBool);
    175: PETSC_EXTERN PetscErrorCode PCFactorGetAllowDiagonalFill(PC,PetscBool*);
    176: PETSC_EXTERN PetscErrorCode PCFactorSetPivotInBlocks(PC,PetscBool);

    178: PETSC_EXTERN PetscErrorCode PCFactorSetLevels(PC,PetscInt);
    179: PETSC_EXTERN PetscErrorCode PCFactorGetLevels(PC,PetscInt*);
    180: PETSC_EXTERN PetscErrorCode PCFactorSetDropTolerance(PC,PetscReal,PetscReal,PetscInt);
    181: PETSC_EXTERN PetscErrorCode PCFactorGetZeroPivot(PC,PetscReal*);
    182: PETSC_EXTERN PetscErrorCode PCFactorGetShiftAmount(PC,PetscReal*);
    183: PETSC_EXTERN PetscErrorCode PCFactorGetShiftType(PC,MatFactorShiftType*);

    185: PETSC_EXTERN PetscErrorCode PCASMSetLocalSubdomains(PC,PetscInt,IS[],IS[]);
    186: PETSC_EXTERN PetscErrorCode PCASMSetTotalSubdomains(PC,PetscInt,IS[],IS[]);
    187: PETSC_EXTERN PetscErrorCode PCASMSetOverlap(PC,PetscInt);
    188: PETSC_EXTERN PetscErrorCode PCASMSetDMSubdomains(PC,PetscBool);
    189: PETSC_EXTERN PetscErrorCode PCASMGetDMSubdomains(PC,PetscBool*);
    190: PETSC_EXTERN PetscErrorCode PCASMSetSortIndices(PC,PetscBool);

    192: PETSC_EXTERN PetscErrorCode PCASMSetType(PC,PCASMType);
    193: PETSC_EXTERN PetscErrorCode PCASMGetType(PC,PCASMType*);
    194: PETSC_EXTERN PetscErrorCode PCASMSetLocalType(PC,PCCompositeType);
    195: PETSC_EXTERN PetscErrorCode PCASMGetLocalType(PC,PCCompositeType*);
    196: PETSC_EXTERN PetscErrorCode PCASMCreateSubdomains(Mat,PetscInt,IS*[]);
    197: PETSC_EXTERN PetscErrorCode PCASMDestroySubdomains(PetscInt,IS[],IS[]);
    198: PETSC_EXTERN PetscErrorCode PCASMCreateSubdomains2D(PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,IS**,IS**);
    199: PETSC_EXTERN PetscErrorCode PCASMGetLocalSubdomains(PC,PetscInt*,IS*[],IS*[]);
    200: PETSC_EXTERN PetscErrorCode PCASMGetLocalSubmatrices(PC,PetscInt*,Mat*[]);
    201: PETSC_EXTERN PetscErrorCode PCASMGetSubMatType(PC,MatType*);
    202: PETSC_EXTERN PetscErrorCode PCASMSetSubMatType(PC,MatType);

    204: PETSC_EXTERN PetscErrorCode PCGASMSetTotalSubdomains(PC,PetscInt);
    205: PETSC_EXTERN PetscErrorCode PCGASMSetSubdomains(PC,PetscInt,IS[],IS[]);
    206: PETSC_EXTERN PetscErrorCode PCGASMSetOverlap(PC,PetscInt);
    207: PETSC_EXTERN PetscErrorCode PCGASMSetUseDMSubdomains(PC,PetscBool);
    208: PETSC_EXTERN PetscErrorCode PCGASMGetUseDMSubdomains(PC,PetscBool*);
    209: PETSC_EXTERN PetscErrorCode PCGASMSetSortIndices(PC,PetscBool);

    211: PETSC_EXTERN PetscErrorCode PCGASMSetType(PC,PCGASMType);
    212: PETSC_EXTERN PetscErrorCode PCGASMCreateSubdomains(Mat,PetscInt,PetscInt*,IS*[]);
    213: PETSC_EXTERN PetscErrorCode PCGASMDestroySubdomains(PetscInt,IS*[],IS*[]);
    214: PETSC_EXTERN PetscErrorCode PCGASMCreateSubdomains2D(PC,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt,PetscInt*,IS**,IS**);
    215: PETSC_EXTERN PetscErrorCode PCGASMGetSubdomains(PC,PetscInt*,IS*[],IS*[]);
    216: PETSC_EXTERN PetscErrorCode PCGASMGetSubmatrices(PC,PetscInt*,Mat*[]);

    218: PETSC_EXTERN PetscErrorCode PCCompositeSetType(PC,PCCompositeType);
    219: PETSC_EXTERN PetscErrorCode PCCompositeGetType(PC,PCCompositeType*);
    220: PETSC_EXTERN PetscErrorCode PCCompositeAddPC(PC,PCType);
    221: PETSC_EXTERN PetscErrorCode PCCompositeGetNumberPC(PC,PetscInt *);
    222: PETSC_EXTERN PetscErrorCode PCCompositeGetPC(PC,PetscInt,PC *);
    223: PETSC_EXTERN PetscErrorCode PCCompositeSpecialSetAlpha(PC,PetscScalar);

    225: PETSC_EXTERN PetscErrorCode PCRedundantSetNumber(PC,PetscInt);
    226: PETSC_EXTERN PetscErrorCode PCRedundantSetScatter(PC,VecScatter,VecScatter);
    227: PETSC_EXTERN PetscErrorCode PCRedundantGetOperators(PC,Mat*,Mat*);

    229: PETSC_EXTERN PetscErrorCode PCSPAISetEpsilon(PC,double);
    230: PETSC_EXTERN PetscErrorCode PCSPAISetNBSteps(PC,PetscInt);
    231: PETSC_EXTERN PetscErrorCode PCSPAISetMax(PC,PetscInt);
    232: PETSC_EXTERN PetscErrorCode PCSPAISetMaxNew(PC,PetscInt);
    233: PETSC_EXTERN PetscErrorCode PCSPAISetBlockSize(PC,PetscInt);
    234: PETSC_EXTERN PetscErrorCode PCSPAISetCacheSize(PC,PetscInt);
    235: PETSC_EXTERN PetscErrorCode PCSPAISetVerbose(PC,PetscInt);
    236: PETSC_EXTERN PetscErrorCode PCSPAISetSp(PC,PetscInt);

    238: PETSC_EXTERN PetscErrorCode PCHYPRESetType(PC,const char[]);
    239: PETSC_EXTERN PetscErrorCode PCHYPREGetType(PC,const char*[]);
    240: PETSC_EXTERN PetscErrorCode PCHYPRESetDiscreteGradient(PC,Mat);
    241: PETSC_EXTERN PetscErrorCode PCHYPRESetDiscreteCurl(PC,Mat);
    242: PETSC_EXTERN PetscErrorCode PCHYPRESetInterpolations(PC,PetscInt,Mat,Mat[],Mat,Mat[]);
    243: PETSC_EXTERN PetscErrorCode PCHYPRESetEdgeConstantVectors(PC,Vec,Vec,Vec);
    244: PETSC_EXTERN PetscErrorCode PCHYPRESetAlphaPoissonMatrix(PC,Mat);
    245: PETSC_EXTERN PetscErrorCode PCHYPRESetBetaPoissonMatrix(PC,Mat);

    247: PETSC_EXTERN PetscErrorCode PCFieldSplitSetFields(PC,const char[],PetscInt,const PetscInt*,const PetscInt*);
    248: PETSC_EXTERN PetscErrorCode PCFieldSplitSetType(PC,PCCompositeType);
    249: PETSC_EXTERN PetscErrorCode PCFieldSplitGetType(PC,PCCompositeType*);
    250: PETSC_EXTERN PetscErrorCode PCFieldSplitSetBlockSize(PC,PetscInt);
    251: PETSC_EXTERN PetscErrorCode PCFieldSplitSetIS(PC,const char[],IS);
    252: PETSC_EXTERN PetscErrorCode PCFieldSplitGetIS(PC,const char[],IS*);
    253: PETSC_EXTERN PetscErrorCode PCFieldSplitGetISByIndex(PC,PetscInt,IS*);
    254: PETSC_EXTERN PetscErrorCode PCFieldSplitRestrictIS(PC,IS);
    255: PETSC_EXTERN PetscErrorCode PCFieldSplitSetDMSplits(PC,PetscBool);
    256: PETSC_EXTERN PetscErrorCode PCFieldSplitGetDMSplits(PC,PetscBool*);
    257: PETSC_EXTERN PetscErrorCode PCFieldSplitSetDiagUseAmat(PC,PetscBool);
    258: PETSC_EXTERN PetscErrorCode PCFieldSplitGetDiagUseAmat(PC,PetscBool*);
    259: PETSC_EXTERN PetscErrorCode PCFieldSplitSetOffDiagUseAmat(PC,PetscBool);
    260: PETSC_EXTERN PetscErrorCode PCFieldSplitGetOffDiagUseAmat(PC,PetscBool*);

    262: PETSC_EXTERN PETSC_DEPRECATED_FUNCTION("Use PCFieldSplitSetSchurPre() (since version 3.5)") PetscErrorCode PCFieldSplitSchurPrecondition(PC,PCFieldSplitSchurPreType,Mat);
    263: PETSC_EXTERN PetscErrorCode PCFieldSplitSetSchurPre(PC,PCFieldSplitSchurPreType,Mat);
    264: PETSC_EXTERN PetscErrorCode PCFieldSplitGetSchurPre(PC,PCFieldSplitSchurPreType*,Mat*);
    265: PETSC_EXTERN PetscErrorCode PCFieldSplitSetSchurFactType(PC,PCFieldSplitSchurFactType);
    266: PETSC_EXTERN PetscErrorCode PCFieldSplitSetSchurScale(PC,PetscScalar);
    267: PETSC_EXTERN PetscErrorCode PCFieldSplitGetSchurBlocks(PC,Mat*,Mat*,Mat*,Mat*);
    268: PETSC_EXTERN PetscErrorCode PCFieldSplitSchurGetS(PC,Mat *S);
    269: PETSC_EXTERN PetscErrorCode PCFieldSplitSchurRestoreS(PC,Mat *S);
    270: PETSC_EXTERN PetscErrorCode PCFieldSplitGetDetectSaddlePoint(PC,PetscBool*);
    271: PETSC_EXTERN PetscErrorCode PCFieldSplitSetDetectSaddlePoint(PC,PetscBool);
    272: PETSC_EXTERN PetscErrorCode PCFieldSplitSetGKBTol(PC,PetscReal);
    273: PETSC_EXTERN PetscErrorCode PCFieldSplitSetGKBNu(PC,PetscReal);
    274: PETSC_EXTERN PetscErrorCode PCFieldSplitSetGKBMaxit(PC,PetscInt);
    275: PETSC_EXTERN PetscErrorCode PCFieldSplitSetGKBDelay(PC,PetscInt);

    277: PETSC_EXTERN PetscErrorCode PCGalerkinSetRestriction(PC,Mat);
    278: PETSC_EXTERN PetscErrorCode PCGalerkinSetInterpolation(PC,Mat);
    279: PETSC_EXTERN PetscErrorCode PCGalerkinSetComputeSubmatrix(PC,PetscErrorCode (*)(PC,Mat,Mat,Mat*,void*),void*);

    281: PETSC_EXTERN PetscErrorCode PCPythonSetType(PC,const char[]);

    283: PETSC_EXTERN PetscErrorCode PCPARMSSetGlobal(PC,PCPARMSGlobalType);
    284: PETSC_EXTERN PetscErrorCode PCPARMSSetLocal(PC,PCPARMSLocalType);
    285: PETSC_EXTERN PetscErrorCode PCPARMSSetSolveTolerances(PC,PetscReal,PetscInt);
    286: PETSC_EXTERN PetscErrorCode PCPARMSSetSolveRestart(PC,PetscInt);
    287: PETSC_EXTERN PetscErrorCode PCPARMSSetNonsymPerm(PC,PetscBool);
    288: PETSC_EXTERN PetscErrorCode PCPARMSSetFill(PC,PetscInt,PetscInt,PetscInt);

    290: PETSC_EXTERN PetscErrorCode PCGAMGSetType(PC,PCGAMGType);
    291: PETSC_EXTERN PetscErrorCode PCGAMGGetType(PC,PCGAMGType*);
    292: PETSC_EXTERN PetscErrorCode PCGAMGSetProcEqLim(PC,PetscInt);

    294: PETSC_EXTERN PetscErrorCode PCGAMGSetRepartition(PC,PetscBool);
    295: PETSC_EXTERN PetscErrorCode PCGAMGSetUseSAEstEig(PC,PetscBool);
    296: PETSC_EXTERN PetscErrorCode PCGAMGSetEstEigKSPMaxIt(PC,PetscInt);
    297: PETSC_EXTERN PetscErrorCode PCGAMGSetEstEigKSPType(PC,char[]);
    298: PETSC_EXTERN PetscErrorCode PCGAMGSetEigenvalues(PC,PetscReal,PetscReal);
    299: PETSC_EXTERN PetscErrorCode PCGAMGASMSetUseAggs(PC,PetscBool);
    300: PETSC_EXTERN PetscErrorCode PCGAMGSetUseParallelCoarseGridSolve(PC,PetscBool);
    301: PETSC_EXTERN PetscErrorCode PCGAMGSetCpuPinCoarseGrids(PC,PetscBool);
    302: PETSC_EXTERN PetscErrorCode PCGAMGSetCoarseGridLayoutType(PC,PCGAMGLayoutType);
    303: PETSC_EXTERN PetscErrorCode PCGAMGSetThreshold(PC,PetscReal[],PetscInt);
    304: PETSC_EXTERN PetscErrorCode PCGAMGSetThresholdScale(PC,PetscReal);
    305: PETSC_EXTERN PetscErrorCode PCGAMGSetCoarseEqLim(PC,PetscInt);
    306: PETSC_EXTERN PetscErrorCode PCGAMGSetNlevels(PC,PetscInt);
    307: PETSC_EXTERN PetscErrorCode PCGAMGSetNSmooths(PC,PetscInt);
    308: PETSC_EXTERN PetscErrorCode PCGAMGSetSymGraph(PC,PetscBool);
    309: PETSC_EXTERN PetscErrorCode PCGAMGSetSquareGraph(PC,PetscInt);
    310: PETSC_EXTERN PetscErrorCode PCGAMGSetReuseInterpolation(PC,PetscBool);
    311: PETSC_EXTERN PetscErrorCode PCGAMGFinalizePackage(void);
    312: PETSC_EXTERN PetscErrorCode PCGAMGInitializePackage(void);
    313: PETSC_EXTERN PetscErrorCode PCGAMGRegister(PCGAMGType,PetscErrorCode (*)(PC));

    315: PETSC_EXTERN PetscErrorCode PCGAMGClassicalSetType(PC,PCGAMGClassicalType);
    316: PETSC_EXTERN PetscErrorCode PCGAMGClassicalGetType(PC,PCGAMGClassicalType*);

    318: PETSC_EXTERN PetscErrorCode PCBDDCSetDiscreteGradient(PC,Mat,PetscInt,PetscInt,PetscBool,PetscBool);
    319: PETSC_EXTERN PetscErrorCode PCBDDCSetDivergenceMat(PC,Mat,PetscBool,IS);
    320: PETSC_EXTERN PetscErrorCode PCBDDCSetChangeOfBasisMat(PC,Mat,PetscBool);
    321: PETSC_EXTERN PetscErrorCode PCBDDCSetPrimalVerticesIS(PC,IS);
    322: PETSC_EXTERN PetscErrorCode PCBDDCSetPrimalVerticesLocalIS(PC,IS);
    323: PETSC_EXTERN PetscErrorCode PCBDDCGetPrimalVerticesIS(PC,IS*);
    324: PETSC_EXTERN PetscErrorCode PCBDDCGetPrimalVerticesLocalIS(PC,IS*);
    325: PETSC_EXTERN PetscErrorCode PCBDDCSetCoarseningRatio(PC,PetscInt);
    326: PETSC_EXTERN PetscErrorCode PCBDDCSetLevels(PC,PetscInt);
    327: PETSC_EXTERN PetscErrorCode PCBDDCSetDirichletBoundaries(PC,IS);
    328: PETSC_EXTERN PetscErrorCode PCBDDCSetDirichletBoundariesLocal(PC,IS);
    329: PETSC_EXTERN PetscErrorCode PCBDDCGetDirichletBoundaries(PC,IS*);
    330: PETSC_EXTERN PetscErrorCode PCBDDCGetDirichletBoundariesLocal(PC,IS*);
    331: PETSC_EXTERN PetscErrorCode PCBDDCSetInterfaceExtType(PC,PCBDDCInterfaceExtType);
    332: PETSC_EXTERN PetscErrorCode PCBDDCSetNeumannBoundaries(PC,IS);
    333: PETSC_EXTERN PetscErrorCode PCBDDCSetNeumannBoundariesLocal(PC,IS);
    334: PETSC_EXTERN PetscErrorCode PCBDDCGetNeumannBoundaries(PC,IS*);
    335: PETSC_EXTERN PetscErrorCode PCBDDCGetNeumannBoundariesLocal(PC,IS*);
    336: PETSC_EXTERN PetscErrorCode PCBDDCSetDofsSplitting(PC,PetscInt,IS[]);
    337: PETSC_EXTERN PetscErrorCode PCBDDCSetDofsSplittingLocal(PC,PetscInt,IS[]);
    338: PETSC_EXTERN PetscErrorCode PCBDDCSetLocalAdjacencyGraph(PC,PetscInt,const PetscInt[],const PetscInt[],PetscCopyMode);
    339: PETSC_EXTERN PetscErrorCode PCBDDCCreateFETIDPOperators(PC,PetscBool,const char*,Mat*,PC*);
    340: PETSC_EXTERN PetscErrorCode PCBDDCMatFETIDPGetRHS(Mat,Vec,Vec);
    341: PETSC_EXTERN PetscErrorCode PCBDDCMatFETIDPGetSolution(Mat,Vec,Vec);
    342: PETSC_EXTERN PetscErrorCode PCBDDCFinalizePackage(void);
    343: PETSC_EXTERN PetscErrorCode PCBDDCInitializePackage(void);

    345: PETSC_EXTERN PetscErrorCode PCISSetUseStiffnessScaling(PC,PetscBool);
    346: PETSC_EXTERN PetscErrorCode PCISSetSubdomainScalingFactor(PC,PetscScalar);
    347: PETSC_EXTERN PetscErrorCode PCISSetSubdomainDiagonalScaling(PC,Vec);

    349: PETSC_EXTERN PetscInt PetscMGLevelId;
    350: PETSC_EXTERN PetscErrorCode PCMGSetType(PC,PCMGType);
    351: PETSC_EXTERN PetscErrorCode PCMGGetType(PC,PCMGType*);
    352: PETSC_EXTERN PetscErrorCode PCMGSetLevels(PC,PetscInt,MPI_Comm*);
    353: PETSC_EXTERN PetscErrorCode PCMGGetLevels(PC,PetscInt*);

    355: PETSC_EXTERN PetscErrorCode PCMGSetDistinctSmoothUp(PC);
    356: PETSC_EXTERN PetscErrorCode PCMGSetNumberSmooth(PC,PetscInt);
    357: PETSC_EXTERN PetscErrorCode PCMGSetCycleType(PC,PCMGCycleType);
    358: PETSC_EXTERN PetscErrorCode PCMGSetCycleTypeOnLevel(PC,PetscInt,PCMGCycleType);
    359: PETSC_DEPRECATED_FUNCTION("Use PCMGSetCycleTypeOnLevel() (since version 3.5)") PETSC_STATIC_INLINE PetscErrorCode PCMGSetCyclesOnLevel(PC pc,PetscInt l,PetscInt t) {return PCMGSetCycleTypeOnLevel(pc,l,(PCMGCycleType)t);}
    360: PETSC_EXTERN PetscErrorCode PCMGMultiplicativeSetCycles(PC,PetscInt);
    361: PETSC_EXTERN PetscErrorCode PCMGSetGalerkin(PC,PCMGGalerkinType);
    362: PETSC_EXTERN PetscErrorCode PCMGGetGalerkin(PC,PCMGGalerkinType*);
    363: PETSC_EXTERN PetscErrorCode PCMGSetAdaptInterpolation(PC,PetscBool);
    364: PETSC_EXTERN PetscErrorCode PCMGGetAdaptInterpolation(PC,PetscBool*);

    366: PETSC_EXTERN PetscErrorCode PCMGSetRhs(PC,PetscInt,Vec);
    367: PETSC_EXTERN PetscErrorCode PCMGSetX(PC,PetscInt,Vec);
    368: PETSC_EXTERN PetscErrorCode PCMGSetR(PC,PetscInt,Vec);

    370: PETSC_EXTERN PetscErrorCode PCMGSetRestriction(PC,PetscInt,Mat);
    371: PETSC_EXTERN PetscErrorCode PCMGGetRestriction(PC,PetscInt,Mat*);
    372: PETSC_EXTERN PetscErrorCode PCMGSetInjection(PC,PetscInt,Mat);
    373: PETSC_EXTERN PetscErrorCode PCMGGetInjection(PC,PetscInt,Mat*);
    374: PETSC_EXTERN PetscErrorCode PCMGSetInterpolation(PC,PetscInt,Mat);
    375: PETSC_EXTERN PetscErrorCode PCMGSetOperators(PC,PetscInt,Mat,Mat);
    376: PETSC_EXTERN PetscErrorCode PCMGGetInterpolation(PC,PetscInt,Mat*);
    377: PETSC_EXTERN PetscErrorCode PCMGSetRScale(PC,PetscInt,Vec);
    378: PETSC_EXTERN PetscErrorCode PCMGGetRScale(PC,PetscInt,Vec*);
    379: PETSC_EXTERN PetscErrorCode PCMGSetResidual(PC,PetscInt,PetscErrorCode (*)(Mat,Vec,Vec,Vec),Mat);
    380: PETSC_EXTERN PetscErrorCode PCMGResidualDefault(Mat,Vec,Vec,Vec);

    382: PETSC_EXTERN PetscErrorCode PCHMGSetReuseInterpolation(PC,PetscBool);
    383: PETSC_EXTERN PetscErrorCode PCHMGSetUseSubspaceCoarsening(PC,PetscBool);
    384: PETSC_EXTERN PetscErrorCode PCHMGSetInnerPCType(PC,PCType);
    385: PETSC_EXTERN PetscErrorCode PCHMGSetCoarseningComponent(PC,PetscInt);
    386: PETSC_EXTERN PetscErrorCode PCHMGUseMatMAIJ(PC,PetscBool);

    388: PETSC_EXTERN PetscErrorCode PCTelescopeGetSubcommType(PC,PetscSubcommType*);
    389: PETSC_EXTERN PetscErrorCode PCTelescopeSetSubcommType(PC,PetscSubcommType);
    390: PETSC_EXTERN PetscErrorCode PCTelescopeGetReductionFactor(PC,PetscInt*);
    391: PETSC_EXTERN PetscErrorCode PCTelescopeSetReductionFactor(PC,PetscInt);
    392: PETSC_EXTERN PetscErrorCode PCTelescopeGetIgnoreDM(PC,PetscBool*);
    393: PETSC_EXTERN PetscErrorCode PCTelescopeSetIgnoreDM(PC,PetscBool);
    394: PETSC_EXTERN PetscErrorCode PCTelescopeGetUseCoarseDM(PC,PetscBool*);
    395: PETSC_EXTERN PetscErrorCode PCTelescopeSetUseCoarseDM(PC,PetscBool);
    396: PETSC_EXTERN PetscErrorCode PCTelescopeGetIgnoreKSPComputeOperators(PC,PetscBool*);
    397: PETSC_EXTERN PetscErrorCode PCTelescopeSetIgnoreKSPComputeOperators(PC,PetscBool);
    398: PETSC_EXTERN PetscErrorCode PCTelescopeGetDM(PC,DM*);

    400: PETSC_EXTERN PetscErrorCode PCPatchSetSaveOperators(PC, PetscBool);
    401: PETSC_EXTERN PetscErrorCode PCPatchGetSaveOperators(PC, PetscBool *);
    402: PETSC_EXTERN PetscErrorCode PCPatchSetPrecomputeElementTensors(PC, PetscBool);
    403: PETSC_EXTERN PetscErrorCode PCPatchGetPrecomputeElementTensors(PC, PetscBool *);
    404: PETSC_EXTERN PetscErrorCode PCPatchSetPartitionOfUnity(PC, PetscBool);
    405: PETSC_EXTERN PetscErrorCode PCPatchGetPartitionOfUnity(PC, PetscBool *);
    406: PETSC_EXTERN PetscErrorCode PCPatchSetSubMatType(PC, MatType);
    407: PETSC_EXTERN PetscErrorCode PCPatchGetSubMatType(PC, MatType *);
    408: PETSC_EXTERN PetscErrorCode PCPatchSetCellNumbering(PC, PetscSection);
    409: PETSC_EXTERN PetscErrorCode PCPatchGetCellNumbering(PC, PetscSection *);
    410: PETSC_EXTERN PetscErrorCode PCPatchSetConstructType(PC, PCPatchConstructType,   PetscErrorCode (*)(PC, PetscInt *, IS **, IS *, void *), void *);
    411: PETSC_EXTERN PetscErrorCode PCPatchGetConstructType(PC, PCPatchConstructType *, PetscErrorCode (**)(PC, PetscInt *, IS **, IS *, void *), void **);
    412: PETSC_EXTERN PetscErrorCode PCPatchSetDiscretisationInfo(PC, PetscInt, DM *, PetscInt *, PetscInt *, const PetscInt **, const PetscInt *, PetscInt, const PetscInt *, PetscInt, const PetscInt *);
    413: PETSC_EXTERN PetscErrorCode PCPatchSetComputeOperator(PC, PetscErrorCode (*)(PC,PetscInt,Vec,Mat,IS,PetscInt,const PetscInt *,const PetscInt *, void *), void *);
    414: PETSC_EXTERN PetscErrorCode PCPatchSetComputeFunction(PC pc, PetscErrorCode (*func)(PC, PetscInt, Vec, Vec, IS, PetscInt, const PetscInt *, const PetscInt *, void *), void *ctx);
    415: PETSC_EXTERN PetscErrorCode PCPatchSetComputeOperatorInteriorFacets(PC, PetscErrorCode (*)(PC,PetscInt,Vec,Mat,IS,PetscInt,const PetscInt *,const PetscInt *, void *), void *);
    416: PETSC_EXTERN PetscErrorCode PCPatchSetComputeFunctionInteriorFacets(PC pc, PetscErrorCode (*func)(PC, PetscInt, Vec, Vec, IS, PetscInt, const PetscInt *, const PetscInt *, void *), void *ctx);

    418: PETSC_EXTERN PetscErrorCode PCLMVMSetMatLMVM(PC, Mat);
    419: PETSC_EXTERN PetscErrorCode PCLMVMGetMatLMVM(PC, Mat*);
    420: PETSC_EXTERN PetscErrorCode PCLMVMSetIS(PC, IS);
    421: PETSC_EXTERN PetscErrorCode PCLMVMClearIS(PC);

    423: PETSC_EXTERN PetscErrorCode PCExoticSetType(PC,PCExoticType);

    425: PETSC_EXTERN PetscErrorCode PCDeflationSetInitOnly(PC,PetscBool);
    426: PETSC_EXTERN PetscErrorCode PCDeflationSetLevels(PC,PetscInt);
    427: PETSC_EXTERN PetscErrorCode PCDeflationSetReductionFactor(PC,PetscInt);
    428: PETSC_EXTERN PetscErrorCode PCDeflationSetCorrectionFactor(PC,PetscScalar);
    429: PETSC_EXTERN PetscErrorCode PCDeflationSetSpaceToCompute(PC,PCDeflationSpaceType,PetscInt);
    430: PETSC_EXTERN PetscErrorCode PCDeflationSetSpace(PC,Mat,PetscBool);
    431: PETSC_EXTERN PetscErrorCode PCDeflationSetProjectionNullSpaceMat(PC,Mat);
    432: PETSC_EXTERN PetscErrorCode PCDeflationSetCoarseMat(PC,Mat);
    433: PETSC_EXTERN PetscErrorCode PCDeflationGetPC(PC,PC*);

    435: PETSC_EXTERN PetscErrorCode PCHPDDMSetAuxiliaryMat(PC,IS,Mat,PetscErrorCode (*)(Mat,PetscReal,Vec,Vec,PetscReal,IS,void*),void*);
    436: PETSC_EXTERN PetscErrorCode PCHPDDMSetRHSMat(PC,Mat);
    437: PETSC_EXTERN PetscErrorCode PCHPDDMHasNeumannMat(PC,PetscBool);
    438: PETSC_EXTERN PetscErrorCode PCHPDDMSetCoarseCorrectionType(PC,PCHPDDMCoarseCorrectionType);
    439: PETSC_EXTERN PetscErrorCode PCHPDDMGetCoarseCorrectionType(PC,PCHPDDMCoarseCorrectionType*);
    440: PETSC_EXTERN PetscErrorCode PCHPDDMFinalizePackage(void);
    441: PETSC_EXTERN PetscErrorCode PCHPDDMInitializePackage(void);

    443: #endif /* PETSCPC_H */