DMPlexPartitionLabelCreateSF

Create a star forest from a label that assigns ranks to points

Synopsis

#include "petscdmplex.h"   
PetscErrorCode DMPlexPartitionLabelCreateSF(DM dm, DMLabel label, PetscBool sortRanks, PetscSF *sf)

Input Parameters

• dm - The DM

• label - DMLabel assigning ranks to remote roots

• sortRanks - Whether or not to sort the SF leaves by rank

Output Parameter

• sf - The star forest communication context encapsulating the defined mapping

Note

The incoming label is a receiver mapping of remote points to their parent rank.

See Also

DMPlex: Unstructured Grids, DM, DMPLEX, DMLabel, PetscSF, DMPlexDistribute(), DMPlexCreateOverlap()

Level

developer

Location

src/dm/impls/plex/plexpartition.c

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Index of all DMPlex routines
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