Actual source code: bddcprivate.h

petsc-master 2019-11-11
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  1: /* prototypes of all BDDC private functions */

  5:  #include <../src/ksp/pc/impls/bddc/bddcstructs.h>

  7: /* main functions */
  8: PetscErrorCode PCBDDCAnalyzeInterface(PC);
  9: PetscErrorCode PCBDDCConstraintsSetUp(PC);

 11: /* reset functions */
 12: PetscErrorCode PCBDDCResetTopography(PC);
 13: PetscErrorCode PCBDDCResetSolvers(PC);
 14: PetscErrorCode PCBDDCResetCustomization(PC);

 16: /* graph */
 17: PetscErrorCode PCBDDCGraphCreate(PCBDDCGraph*);
 18: PetscErrorCode PCBDDCGraphDestroy(PCBDDCGraph*);
 19: PetscErrorCode PCBDDCGraphInit(PCBDDCGraph,ISLocalToGlobalMapping,PetscInt,PetscInt);
 20: PetscErrorCode PCBDDCGraphReset(PCBDDCGraph);
 21: PetscErrorCode PCBDDCGraphResetCSR(PCBDDCGraph);
 22: PetscErrorCode PCBDDCGraphResetCoords(PCBDDCGraph);
 23: PetscErrorCode PCBDDCGraphSetUp(PCBDDCGraph,PetscInt,IS,IS,PetscInt,IS[],IS);
 24: PetscErrorCode PCBDDCGraphComputeConnectedComponents(PCBDDCGraph);
 25: PetscErrorCode PCBDDCGraphComputeConnectedComponentsLocal(PCBDDCGraph);
 26: PetscErrorCode PCBDDCGraphASCIIView(PCBDDCGraph,PetscInt,PetscViewer);
 27: PetscErrorCode PCBDDCGraphGetCandidatesIS(PCBDDCGraph,PetscInt*,IS*[],PetscInt*,IS*[],IS*);
 28: PetscErrorCode PCBDDCGraphRestoreCandidatesIS(PCBDDCGraph,PetscInt*,IS*[],PetscInt*,IS*[],IS*);
 29: PetscErrorCode PCBDDCGraphGetDirichletDofs(PCBDDCGraph,IS*);
 30: PetscErrorCode PCBDDCGraphGetDirichletDofsB(PCBDDCGraph,IS*);

 32: /* interface for scaling operator */
 33: PetscErrorCode PCBDDCScalingSetUp(PC);
 34: PetscErrorCode PCBDDCScalingDestroy(PC);
 35: PetscErrorCode PCBDDCScalingRestriction(PC,Vec,Vec);
 36: PetscErrorCode PCBDDCScalingExtension(PC,Vec,Vec);

 38: /* nullspace correction */
 39: PetscErrorCode PCBDDCNullSpaceAssembleCorrection(PC,PetscBool,PetscBool);

 41: /* utils */
 42: PetscErrorCode PCBDDCComputeLocalMatrix(PC,Mat);
 43: PetscErrorCode PCBDDCSetUpLocalWorkVectors(PC);
 44: PetscErrorCode PCBDDCSetUpSolvers(PC);
 45: PetscErrorCode PCBDDCSetUpLocalScatters(PC);
 46: PetscErrorCode PCBDDCSetUpLocalSolvers(PC,PetscBool,PetscBool);
 47: PetscErrorCode PCBDDCSetUpCorrection(PC,PetscScalar**);
 48: PetscErrorCode PCBDDCSetUpCoarseSolver(PC,PetscScalar*);
 49: PetscErrorCode PCBDDCComputePrimalNumbering(PC,PetscInt*,PetscInt**);
 50: PetscErrorCode PCBDDCScatterCoarseDataBegin(PC,InsertMode,ScatterMode);
 51: PetscErrorCode PCBDDCScatterCoarseDataEnd(PC,InsertMode,ScatterMode);
 52: PetscErrorCode PCBDDCApplyInterfacePreconditioner(PC,PetscBool);
 53: PetscErrorCode PCBDDCOrthonormalizeVecs(PetscInt*,Vec[]);
 54: PetscErrorCode PCBDDCSetUseExactDirichlet(PC,PetscBool);
 55: PetscErrorCode PCBDDCSetLevel(PC,PetscInt);
 56: PetscErrorCode PCBDDCGlobalToLocal(VecScatter,Vec,Vec,IS,IS*);
 57: PetscErrorCode PCBDDCAdaptiveSelection(PC);
 58: PetscErrorCode PCBDDCConsistencyCheckIS(PC,MPI_Op,IS*);
 59: PetscErrorCode PCBDDCComputeLocalTopologyInfo(PC);
 60: PetscErrorCode MatCreateSubMatrixUnsorted(Mat,IS,IS,Mat*);
 61: PetscErrorCode PCBDDCDetectDisconnectedComponents(PC,PetscBool,PetscInt*,IS*[],IS*);
 62: PetscErrorCode MatSeqAIJCompress(Mat,Mat*);
 63: PetscErrorCode PCBDDCReuseSolversBenignAdapt(PCBDDCReuseSolvers,Vec,Vec,PetscBool,PetscBool);
 64: PetscErrorCode PCBDDCComputeNoNetFlux(Mat,Mat,PetscBool,IS,PCBDDCGraph,MatNullSpace*);
 65: PetscErrorCode PCBDDCNullSpaceCreate(MPI_Comm,PetscBool,PetscInt,Vec[],MatNullSpace*);
 66: PetscErrorCode PCBDDCNedelecSupport(PC);
 67: PetscErrorCode PCBDDCAddPrimalVerticesLocalIS(PC,IS);

 69: /* benign subspace trick */
 70: PetscErrorCode PCBDDCBenignPopOrPushB0(PC,PetscBool);
 71: PetscErrorCode PCBDDCBenignGetOrSetP0(PC,Vec,PetscBool);
 72: PetscErrorCode PCBDDCBenignDetectSaddlePoint(PC,PetscBool,IS*);
 73: PetscErrorCode PCBDDCBenignCheck(PC,IS);
 74: PetscErrorCode PCBDDCBenignShellMat(PC,PetscBool);
 75: PetscErrorCode PCBDDCBenignRemoveInterior(PC,Vec,Vec);

 77: /* feti-dp */
 78: PetscErrorCode PCBDDCCreateFETIDPMatContext(PC,FETIDPMat_ctx*);
 79: PetscErrorCode PCBDDCSetupFETIDPMatContext(FETIDPMat_ctx);
 80: PetscErrorCode PCBDDCCreateFETIDPPCContext(PC,FETIDPPC_ctx*);
 81: PetscErrorCode PCBDDCSetupFETIDPPCContext(Mat,FETIDPPC_ctx);
 82: PetscErrorCode FETIDPPCApply(PC,Vec,Vec);
 83: PetscErrorCode FETIDPPCApplyTranspose(PC,Vec,Vec);
 84: PetscErrorCode FETIDPPCView(PC,PetscViewer);
 85: PetscErrorCode PCBDDCDestroyFETIDPPC(PC);
 86: PetscErrorCode FETIDPMatMult(Mat,Vec,Vec);
 87: PetscErrorCode FETIDPMatMultTranspose(Mat,Vec,Vec);

 89: PetscErrorCode PCBDDCDestroyFETIDPMat(Mat);

 91: /* interface to SubSchurs */
 92: PetscErrorCode PCBDDCInitSubSchurs(PC);
 93: PetscErrorCode PCBDDCSetUpSubSchurs(PC);

 95: /* sub schurs */
 96: PetscErrorCode PCBDDCSubSchursCreate(PCBDDCSubSchurs*);
 97: PetscErrorCode PCBDDCSubSchursInit(PCBDDCSubSchurs,const char*,IS,IS,PCBDDCGraph,ISLocalToGlobalMapping,PetscBool);
 98: PetscErrorCode PCBDDCSubSchursReset(PCBDDCSubSchurs);
 99: PetscErrorCode PCBDDCSubSchursDestroy(PCBDDCSubSchurs*);
100: PetscErrorCode PCBDDCSubSchursSetUp(PCBDDCSubSchurs,Mat,Mat,PetscBool,PetscInt[],PetscInt[],PetscInt,Vec,PetscBool,PetscBool,PetscBool,PetscInt,PetscInt[],IS[],Mat,IS);

102: #endif