petsc-3.12.5 2020-03-29
DMCompositeGather
Gathers into a global packed vector from its individual local vectors
Synopsis
#include "petscdmcomposite.h"
PetscErrorCode DMCompositeGather(DM dm,InsertMode imode,Vec gvec,...)
Collective on dm
Input Parameter
| dm | - the packer object
|
| gvec | - the global vector
|
| imode | - INSERT_VALUES or ADD_VALUES
|
| Vec ... | - the individual sequential vectors, NULL for any that are not needed
|
Not available from Fortran, Fortran users can use DMCompositeGatherArray()
See Also
DMDestroy(), DMCompositeAddDM(), DMCreateGlobalVector(),
DMCompositeScatter(), DMCompositeCreate(), DMCompositeGetISLocalToGlobalMappings(), DMCompositeGetAccess(),
DMCompositeGetLocalVectors(), DMCompositeRestoreLocalVectors(), DMCompositeGetEntries()
Level
advanced
Location
src/dm/impls/composite/pack.c
Examples
src/snes/examples/tutorials/ex21.c.html
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages