petsc-dev 2014-07-25
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PetscSFSetGraphLayout

Set a parallel star forest via global indices and a PetscLayout

Synopsis

PetscErrorCode PetscSFSetGraphLayout(PetscSF sf,PetscLayout layout,PetscInt nleaves,const PetscInt *ilocal,PetscCopyMode localmode,const PetscInt *iremote)
Collective

Input Arguments

sf - star forest
layout - PetscLayout defining the global space
nleaves - number of leaf vertices on the current process, each of these references a root on any process
ilocal - locations of leaves in leafdata buffers, pass NULL for contiguous storage
iremote - remote locations of root vertices for each leaf on the current process

See Also

PetscSFCreate(), PetscSFView(), PetscSFSetGraph(), PetscSFGetGraph()

Level:intermediate
Location:
src/vec/is/utils/pmap.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages