petsc-3.14.6 2021-03-30

DMStagGetIsFirstRank

get boolean value for whether this rank is first in each direction in the rank grid

PetscErrorCode DMStagGetIsFirstRank(DM dm,PetscBool *isFirstRank0,PetscBool *isFirstRank1,PetscBool *isFirstRank2)

Not Collective

- the DMStag object

isFirstRank0,isFirstRank1,isFirstRank2

- whether this rank is first in each direction

Arguments corresponding to higher dimensions are ignored for 1D and 2D grids. These arguments may be set to NULL in this case.

intermediate