DMPlexPartitionLabelInvert#

Create a partition label of remote roots from a local root label

Synopsis#

#include "petscdmplex.h"   
PetscErrorCode DMPlexPartitionLabelInvert(DM dm, DMLabel rootLabel, PetscSF processSF, DMLabel leafLabel)

Input Parameters#

  • dm - The DM

  • rootLabel - DMLabel assigning ranks to local roots

  • processSF - A star forest mapping into the local index on each remote rank

Output Parameter#

  • leafLabel - DMLabel assigning ranks to remote roots

Note#

The rootLabel defines a send pattern by mapping local points to remote target ranks. The resulting leafLabel is a receiver mapping of remote roots to their parent rank.

See Also#

DMPlex: Unstructured Grids, DM, DMPLEX, DMPlexPartitionLabelCreateSF(), DMPlexDistribute(), DMPlexCreateOverlap()

Level#

developer

Location#

src/dm/impls/plex/plexpartition.c

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Index of all DMPlex routines
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Index of all manual pages