DMCompositeScatter#

Scatters from a global packed vector into its individual local vectors

Synopsis#

#include "petscdmcomposite.h"  
PetscErrorCode DMCompositeScatter(DM dm, Vec gvec, ...)

Collective on dm

Input Parameters#

  • dm - the DMCOMPOSITE object

  • gvec - the global vector

  • Vec … - the individual sequential vectors, NULL for those that are not needed

Note#

DMCompositeScatterArray() is a non-variadic alternative that is often more convenient for library callers and is accessible from Fortran.

See Also#

DMCOMPOSITE, DM, DMDestroy(), DMCompositeAddDM(), DMCreateGlobalVector(), DMCompositeGather(), DMCompositeCreate(), DMCompositeGetISLocalToGlobalMappings(), DMCompositeGetAccess(), DMCompositeGetLocalVectors(), DMCompositeRestoreLocalVectors(), DMCompositeGetEntries() DMCompositeScatterArray()

Level#

advanced

Location#

src/dm/impls/composite/pack.c

Examples#

src/snes/tutorials/ex21.c.html
src/snes/tutorials/ex22.c.html
src/snes/tutorials/ex28.c.html
src/ts/tutorials/ex14.c.html


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