DMLabelPropagatePush#

Execute a cycle of label propagation

Synopsis#

#include "petscdmlabel.h"   
#include "petscsection.h"   
PetscErrorCode DMLabelPropagatePush(DMLabel label, PetscSF pointSF, MPI_Op merge, PetscErrorCode (*markPoint)(DMLabel label, PetscInt p, PetscInt val, PetscCtx ctx), PetscCtx ctx)

Collective

Input Parameters#

label - The DMLabel to propagate across processes
pointSF - The PetscSF describing parallel layout of the label points
merge - The operator which merges label values
markPoint - An optional callback that is called when a point is marked, or NULL
ctx - An optional user context for the callback, or NULL

Calling sequence of `markPoint`#

label - The DMLabel
p - The point being marked
val - The label value for p
ctx - An optional user context

See Also#

DMLabel, DM, DMLabelPropagateBegin(), DMLabelPropagateEnd()

Level#

intermediate

Location#

src/dm/label/dmlabel.c

Index of all DMLabel routines
Table of Contents for all manual pages
Index of all manual pages