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 Parameters#

  • 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


Edit on GitLab

Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages