petsc-3.7.5 2017-01-01
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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

Output Parameter

dm - The DM
rootLabel - DMLabel assinging ranks to local roots
processSF - A star forest mapping into the local index on each remote rank
leafLabel - DMLabel assinging 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

DMPlexPartitionLabelCreateSF, DMPlexDistribute(), DMPlexCreateOverlap

Level:developer
Location:src/dm/impls/plex/plexpartition.c
Index of all DM routines
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Index of all manual pages