petsc-3.13.6 2020-09-29

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DMGetBlockSize

Gets the inherent block size associated with a DM

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode  DMGetBlockSize(DM dm,PetscInt *bs)

Not Collective

Input Parameter

dm -the DM with block structure

Output Parameter

bs -the block size, 1 implies no exploitable block structure

See Also

ISCreateBlock(), VecSetBlockSize(), MatSetBlockSize(), DMGetLocalToGlobalMapping()

Level

intermediate

Location

src/dm/interface/dm.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages