petsc-3.4.5 2014-06-29
PCGASMSetDMSubdomains
Indicates whether to use DMCreateDomainDecomposition() to define the subdomains, whenever possible. Logically Collective
Synopsis
#include "petscpc.h"
PetscErrorCode PCGASMSetDMSubdomains(PC pc,PetscBool flg)
Input Parameter
| pc | - the preconditioner
|
| flg | - boolean indicating whether to use subdomains defined by the DM
|
Options Database Key
-pc_gasm_dm_subdomains -
Notes
PCGASMSetTotalSubdomains() and PCGASMSetOverlap() take precedence over PCGASMSetDMSubdomains(),
so setting either of the first two effectively turns the latter off.
Keywords
PC, ASM, DM, set, subdomains, additive Schwarz
See Also
PCGASMGetDMSubdomains(), PCGASMSetTotalSubdomains(), PCGASMSetOverlap()
PCGASMCreateSubdomains2D()
Level:intermediate
Location:src/ksp/pc/impls/gasm/gasm.c
Index of all PC routines
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Index of all manual pages