DMCompositeGetISLocalToGlobalMappings

gets an ISLocalToGlobalMapping for each DM in the DMCOMPOSITE, maps to the composite global space

Synopsis

#include "petscdmcomposite.h"  
PetscErrorCode DMCompositeGetISLocalToGlobalMappings(DM dm, ISLocalToGlobalMapping **ltogs)

Collective; No Fortran Support

Input Parameter

• dm - the DMCOMPOSITE object

Output Parameter

• ltogs - the individual mappings for each packed vector. Note that this includes all the ghost points that individual ghosted DMDA may have.

Note

Each entry of ltogs should be destroyed with ISLocalToGlobalMappingDestroy(), ltogs should be freed with PetscFree().

See Also

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

Level

advanced

Location

src/dm/impls/composite/pack.c

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Index of all DM routines
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