petsc-master 2019-08-19
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PetscObjectsListGetGlobalNumbering

computes a global numbering of PetscObjects living on subcommunicators of a given communicator.

Synopsis

#include "petscsys.h"   
PetscErrorCode  PetscObjectsListGetGlobalNumbering(MPI_Comm comm, PetscInt len, PetscObject *objlist, PetscInt *count, PetscInt *numbering)

Collective.

Input Parameters

comm - MPI_Comm
len - local length of objlist
objlist - a list of PETSc objects living on subcomms of comm and containing this comm rank (subcomm ordering is assumed to be deadlock-free)

Output Parameters

count - global number of distinct subcommunicators on objlist (may be > len)
numbering - global numbers of objlist entries (allocated by user)

Level

developer

Location

src/sys/objects/tagm.c
Index of all Sys routines
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Index of all manual pages