PETSc version 3.15.5
DMCompositeGetAccessArray
Allows one to access the individual packed vectors in their global representation. 
Synopsis
#include "petscdmcomposite.h"  
PetscErrorCode  DMCompositeGetAccessArray(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 global vectors (must be allocated) | 
Notes
Use DMCompositeRestoreAccessArray() to return the vectors when you no longer need them
See Also
 DMCompositeGetAccess(), DMCompositeGetEntries(), DMCompositeScatter(), DMCompositeGather()
Level
advanced
Location
src/dm/impls/composite/pack.c
Examples
src/snes/tutorials/ex73f90t.F90.html
Index of all DM routines
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Index of all manual pages