petsc-3.11.4 2019-09-28
DMDAGetScatter
Gets the global-to-local, and local-to-local vector scatter contexts for a distributed array.
Synopsis
#include "petscdmda.h"
PetscErrorCode DMDAGetScatter(DM da,VecScatter *gtol,VecScatter *ltol)
Collective on DMDA
Input Parameter
da -the distributed array
Output Parameters
| gtol | - global-to-local scatter context (may be NULL)
|
| ltol | - local-to-local scatter context (may be NULL)
|
Notes
The output contexts are valid only as long as the input da is valid.
If you delete the da, the scatter contexts will become invalid.
Keywords
distributed array, get, scatter, context, global-to-local,
local-to-global, local-to-local
See Also
DMGlobalToLocalBegin(), DMGlobalToLocalEnd(), DMLocalToGlobalBegin()
Level
developer
Location
src/dm/impls/da/dascatter.c
Index of all DMDA routines
Table of Contents for all manual pages
Index of all manual pages