petsc-3.14.6 2021-03-30
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DMPlexStratifyMigrationSF

Rearrange the leaves of a migration sf for stratification.

Synopsis

#include "petscdmplex.h"   
#include "petscdmlabel.h"  
PetscErrorCode DMPlexStratifyMigrationSF(DM dm, PetscSF sf, PetscSF *migrationSF)

Input Parameters

dm - The DM
sf - A star forest with non-ordered leaves, usually defining a DM point migration

Output Parameter

migrationSF - A star forest with added leaf indirection that ensures the resulting DM is stratified

Note

This lexicographically sorts by (depth, cellType)

See Also

DMPlexPartitionLabelCreateSF(), DMPlexDistribute(), DMPlexDistributeOverlap()

Level

developer

Location

src/dm/impls/plex/plexdistribute.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages