petsc-3.8.4 2018-03-24
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Get the global indices in a vector v for all points in the closure of the given point


#include "petscdmplex.h"   
PetscErrorCode DMPlexGetClosureIndices(DM dm, PetscSection section, PetscSection globalSection, PetscInt point, PetscInt *numIndices, PetscInt **indices, PetscInt *outOffsets)
Not collective

Input Parameters

dm - The DM
section - The section describing the layout in v, or NULL to use the default section
globalSection - The section describing the parallel layout in v, or NULL to use the default section
point - The mesh point

Output parameters

numIndices - The number of indices
indices - The indices
outOffsets - Field offset if not NULL

Note: Must call DMPlexRestoreClosureIndices() to free allocated memory

See Also

DMPlexRestoreClosureIndices(), DMPlexVecGetClosure(), DMPlexMatSetClosure()

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