DMCompositeGetLocalAccessArray#
Allows one to access the individual packed vectors in their local representation.
Synopsis#
#include "petscdmcomposite.h"
PetscErrorCode DMCompositeGetLocalAccessArray(DM dm, Vec pvec, PetscInt nwanted, const PetscInt wanted[], Vec vecs[])
Collective
Input Parameters#
dm - the
DMCOMPOSITEpvec - packed vector
nwanted - number of vectors wanted
wanted - sorted array of vectors wanted, or
NULLto get all vectors, lengthnwanted
Output Parameter#
vecs - array of requested local vectors (must be allocated and of length
nwanted)
Note#
Use DMCompositeRestoreLocalAccessArray() to return the vectors
when you no longer need them.
See Also#
DMCOMPOSITE, DM, DMCompositeRestoreLocalAccessArray(), DMCompositeGetAccess(),
DMCompositeGetEntries(), DMCompositeScatter(), DMCompositeGather()
Level#
advanced
Location#
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages