PETSc version 3.15.5
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 on dm.
Input Parameters
|  | dm | - the packer object | 
|  | pvec | - packed vector | 
|  | nwanted | - number of vectors wanted | 
|  | wanted | - sorted array of vectors wanted, or NULL to get all vectors | 
Output Parameters
|  | vecs | - array of requested local vectors (must be allocated) | 
Notes
Use DMCompositeRestoreLocalAccessArray() to return the vectors
when you no longer need them.
See Also
 DMCompositeRestoreLocalAccessArray(), DMCompositeGetAccess(),
DMCompositeGetEntries(), DMCompositeScatter(), DMCompositeGather()
Level
advanced
Location
src/dm/impls/composite/pack.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages