petsc-3.3-p7 2013-05-11

PetscSFGetRanks

 Get ranks and number of vertices referenced by leaves on this process

Synopsis

PetscErrorCode PetscSFGetRanks(PetscSF sf,PetscInt *nranks,const PetscMPIInt **ranks,const PetscInt **roffset,const PetscMPIInt **rmine,const PetscMPIInt **rremote)
Not Collective

Input Arguments

sf -star forest

Output Arguments

nranks - number of ranks referenced by local part
ranks - array of ranks
roffset - offset in rmine/rremote for each rank (length nranks+1)
rmine - concatenated array holding local indices referencing each remote rank
rremote - concatenated array holding remote indices referenced for each remote rank

See Also

PetscSFSetGraph(), PetscSFGetDataTypes()

Level:developer
Location:src/sys/sf/sf.c
Index of all PetscSF routines
Table of Contents for all manual pages
Index of all manual pages