PCASMSetType

Sets the type of restriction and interpolation used for local problems in the additive Schwarz method, PCASM.

Synopsis

#include "petscpc.h" 
PetscErrorCode PCASMSetType(PC pc, PCASMType type)

Logically Collective

Input Parameters

• pc - the preconditioner context

• type - variant of PCASM, one of

      PC_ASM_BASIC       - full interpolation and restriction
      PC_ASM_RESTRICT    - full restriction, local processor interpolation (default)
      PC_ASM_INTERPOLATE - full interpolation, local processor restriction
      PC_ASM_NONE        - local processor restriction and interpolation

Options Database Key

• -pc_asm_type [basic,restrict,interpolate,none] - Sets PCASMType

Note

if the is_local arguments are passed to PCASMSetLocalSubdomains() then they are used when PC_ASM_RESTRICT has been selected to limit the local processor interpolation

See Also

KSP: Linear System Solvers, PCASM, PCASMSetTotalSubdomains(), PCASMGetSubKSP(), PCASMCreateSubdomains2D(), PCASMType, PCASMSetLocalType(), PCASMGetLocalType(), PCGASM

Level

intermediate

Location

src/ksp/pc/impls/asm/asm.c

Implementations

PCASMSetType_ASM() in src/ksp/pc/impls/asm/asm.c

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