petsc-3.14.6 2021-03-30
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DMCompositeGatherArray

 Gathers into a global packed vector from its individual local vectors

Synopsis

#include "petscdmcomposite.h"  
PetscErrorCode  DMCompositeGatherArray(DM dm,InsertMode imode,Vec gvec,Vec *lvecs)
Collective on dm

Input Parameter

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

Notes

This is a non-variadic alternative to DMCompositeGather().

See Also

DMDestroy(), DMCompositeAddDM(), DMCreateGlobalVector(),
DMCompositeScatter(), DMCompositeCreate(), DMCompositeGetISLocalToGlobalMappings(), DMCompositeGetAccess(), DMCompositeGetLocalVectors(), DMCompositeRestoreLocalVectors(), DMCompositeGetEntries(),

Level

advanced

Location

src/dm/impls/composite/pack.c
Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages