petsc-3.10.5 2019-03-28
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PCASMSetType

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

Synopsis

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

Input Parameters

pc - the preconditioner context
type - variant of ASM, one of
      PC_ASM_BASIC       - full interpolation and restriction
      PC_ASM_RESTRICT    - full restriction, local processor interpolation
      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 ASM type

Notes

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

Keywords

PC, ASM, set, type

See Also

PCASMSetTotalSubdomains(), PCASMSetTotalSubdomains(), PCASMGetSubKSP(),
PCASMCreateSubdomains2D(), PCASMType, PCASMSetLocalType(), PCASMGetLocalType()

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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