DMStagGetNumRanks#

get number of ranks in each direction in the global grid decomposition

Synopsis#

#include "petscdmstag.h"   
#include "petscdmproduct.h"   
PetscErrorCode DMStagGetNumRanks(DM dm, PetscInt *nRanks0, PetscInt *nRanks1, PetscInt *nRanks2)

Not Collective

Input Parameter#

dm - the DMSTAG object

Output Parameters#

nRanks0 - number of ranks in the x direction in the grid decomposition
nRanks1 - number of ranks in the y direction in the grid decomposition
nRanks2 - number of ranks in the z direction in the grid decomposition

See Also#

DMSTAG: Staggered, Structured Grid, 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