DMCompositeCreate#

Creates a DMCOMPOSITE, used to generate “composite” vectors made up of several subvectors.

Synopsis#

#include "petscdmcomposite.h"  
PetscErrorCode DMCompositeCreate(MPI_Comm comm, DM *packer)

Collective

Input Parameter#

comm - the processors that will share the global vector

Output Parameter#

packer - the DMCOMPOSITE object

See Also#

DMCOMPOSITE, DM, DMDestroy(), DMCompositeAddDM(), DMCompositeScatter(), DMCreate() DMCompositeGather(), DMCreateGlobalVector(), DMCompositeGetISLocalToGlobalMappings(), DMCompositeGetAccess() DMCompositeGetLocalVectors(), DMCompositeRestoreLocalVectors(), DMCompositeGetEntries()

Level#

advanced

Location#

src/dm/impls/composite/pack.c

Examples#

src/snes/tutorials/ex21.c
src/snes/tutorials/ex28.c
src/snes/tutorials/ex22.c
src/ts/tutorials/ex14.c

Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages