petsc-3.14.6 2021-03-30
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PetscSFComputeDegreeBegin

begin computation of degree for each root vertex, to be completed with PetscSFComputeDegreeEnd()

Synopsis

#include "petscsf.h" 
PetscErrorCode PetscSFComputeDegreeBegin(PetscSF sf,const PetscInt **degree)
Collective

Input Arguments

sf - star forest

Output Arguments

degree - degree of each root vertex

Notes

The returned array is owned by PetscSF and automatically freed by PetscSFDestroy(). Hence no need to call PetscFree() on it.

See Also

PetscSFGatherBegin()

Level

advanced

Location

src/vec/is/sf/interface/sf.c

Examples

src/vec/is/sf/tutorials/ex1.c.html

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