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
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Index of all manual pages