petsc-3.4.2 2013-07-02

# PCType

String with the name of a PETSc preconditioner method.

### Synopsis

    typedef const char* PCType;
    #define PCNONE            "none"
    #define PCJACOBI          "jacobi"
    #define PCSOR             "sor"
    #define PCLU              "lu"
    #define PCSHELL           "shell"
    #define PCBJACOBI         "bjacobi"
    #define PCMG              "mg"
    #define PCEISENSTAT       "eisenstat"
    #define PCILU             "ilu"
    #define PCICC             "icc"
    #define PCASM             "asm"
    #define PCGASM            "gasm"
    #define PCKSP             "ksp"
    #define PCCOMPOSITE       "composite"
    #define PCREDUNDANT       "redundant"
    #define PCSPAI            "spai"
    #define PCNN              "nn"
    #define PCCHOLESKY        "cholesky"
    #define PCPBJACOBI        "pbjacobi"
    #define PCMAT             "mat"
    #define PCHYPRE           "hypre"
    #define PCPARMS           "parms"
    #define PCFIELDSPLIT      "fieldsplit"
    #define PCTFS             "tfs"
    #define PCML              "ml"
    #define PCGALERKIN        "galerkin"
    #define PCEXOTIC          "exotic"
    #define PCHMPI            "hmpi"
    #define PCSUPPORTGRAPH    "supportgraph"
    #define PCASA             "asa"
    #define PCCP              "cp"
    #define PCBFBT            "bfbt"
    #define PCLSC             "lsc"
    #define PCPYTHON          "python"
    #define PCPFMG            "pfmg"
    #define PCSYSPFMG         "syspfmg"
    #define PCREDISTRIBUTE    "redistribute"
    #define PCSVD             "svd"
    #define PCGAMG            "gamg"
    #define PCSACUSP          "sacusp"        /* these four run on NVIDIA GPUs using CUSP */
    #define PCSACUSPPOLY      "sacusppoly"
    #define PCBICGSTABCUSP    "bicgstabcusp"
    #define PCAINVCUSP        "ainvcusp"
    #define PCBDDC            "bddc"

Notes: Click on the links below to see details on a particular solver

PCRegister() is used to register preconditioners that are then accessible via PCSetType()

### See Also

PCSetType(), PC, PCCreate(), PCRegister(), PCSetFromOptions()

Level:beginner
Location:src/ksp/pc/../../../include/petscpc.h
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages