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 Parameter#

  • sf - star forest

Output Parameter#

  • degree - degree of each root vertex

Note#

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

See Also#

PetscSF, PetscSFGatherBegin(), PetscSFComputeDegreeEnd()

Level#

advanced

Location#

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

Examples#

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


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