PetscSFGetGroups#

gets incoming and outgoing process groups

Synopsis#

#include "petscsf.h" 
PetscErrorCode PetscSFGetGroups(PetscSF sf, MPI_Group *incoming, MPI_Group *outgoing)

Collective

Input Parameter#

  • sf - star forest

Output Parameters#

  • incoming - group of origin processes for incoming edges (leaves that reference my roots)

  • outgoing - group of destination processes for outgoing edges (roots that I reference)

See Also#

PetscSF, PetscSFGetWindow(), PetscSFRestoreWindow()

Level#

developer

Location#

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


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