DACoarsen
Creates a new distributed array that is a coarsenment of a given distributed array.
Synopsis
#include "petscda.h"
PetscErrorCode PETSCDM_DLLEXPORT DACoarsen(DA da, MPI_Comm comm,DA *daref)
Collective on DA
Input Parameter
| da | - initial distributed array
|
| comm | - communicator to contain coarsend DA. Currently ignored
|
Output Parameter
daref -coarsend distributed array
Note
Currently, coarsenment consists of just dividing the number of grid spaces
in each dimension of the DA by refinex_x, refinex_y, ....
Keywords
distributed array, coarsen
See Also
DACreate1d(), DACreate2d(), DACreate3d(), DADestroy(), DAGetOwnershipRanges()
Level:advanced
Location:src/dm/da/src/da.c
Index of all DA routines
Table of Contents for all manual pages
Index of all manual pages