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

Input Parameters#

dm - the DMCOMPOSITE object
gvec - the global vector
imode - INSERT_VALUES or ADD_VALUES
Vec … - the individual sequential vectors, NULL for any that are not needed

Fortran Note#

Fortran users should use DMCompositeGatherArray()

See Also#

DMCOMPOSITE, DM, 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

Index of all DM routines
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Index of all manual pages