petsc-3.14.6 2021-03-30
SNESMultiblockSetIS
Sets the global row indices for the block
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESMultiblockSetIS(SNES snes, const char name[], IS is)
Logically Collective on SNES
Input Parameters
| snes | - the solver context
|
| name | - name of this block, if NULL the number of the block is used
|
| is | - the index set that defines the global row indices in this block
|
Notes
Use SNESMultiblockSetFields(), for blocks defined by strides.
This function is called once per block (it creates a new block each time). Solve options
for this block will be available under the prefix -multiblock_BLOCKNAME_.
See Also
SNESMultiblockGetSubSNES(), SNESMULTIBLOCK, SNESMultiblockSetBlockSize()
Level
intermediate
Location
src/snes/impls/multiblock/multiblock.c
Implementations
SNESMultiblockSetIS_Default in src/snes/impls/multiblock/multiblock.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages