PETSc version 3.15.5
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/tutorials/ex21.c.html
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages