petsc-3.13.6 2020-09-29
DMDACreatePatchIS
Creates an index set corresponding to a patch of the DA.
Synopsis
#include "petscdmda.h"
PetscErrorCode DMDACreatePatchIS(DM da,MatStencil *lower,MatStencil *upper,IS *is)
Not Collective
Input Parameters
| da | - the DMDA
|
| lower | - a matstencil with i, j and k corresponding to the lower corner of the patch
|
| upper | - a matstencil with i, j and k corresponding to the upper corner of the patch
|
Output Parameters
is -the IS corresponding to the patch
See Also
DMDACreateDomainDecomposition(), DMDACreateDomainDecompositionScatters()
Level
developer
Location
src/dm/impls/da/dadd.c
Index of all DMDA routines
Table of Contents for all manual pages
Index of all manual pages