petsc-3.13.6 2020-09-29
DMStagGetNumRanks
get number of ranks in each direction in the global grid decomposition
Synopsis
PetscErrorCode DMStagGetNumRanks(DM dm,PetscInt *nRanks0,PetscInt *nRanks1,PetscInt *nRanks2)
Not Collective
Input Parameter
dm -the DMStag object
Output Parameters
nRanks0,nRanks1,nRanks2 -number of ranks in each direction in the grid decomposition
Notes
Arguments corresponding to higher dimensions are ignored for 1D and 2D grids. These arguments may be set to NULL in this case.
See Also
DMSTAG, DMStagGetGlobalSizes(), DMStagGetLocalSize(), DMStagSetNumRanks(), DMDAGetInfo()
Level
intermediate
Location
src/dm/impls/stag/stagutils.c
Index of all DMSTAG routines
Table of Contents for all manual pages
Index of all manual pages