PetscObjectComm#

Gets the MPI communicator for any PetscObject regardless of the type.

Synopsis#

#include "petscsys.h"    
MPI_Comm PetscObjectComm(PetscObject obj)

Not Collective

Input Parameter#

Note#

Returns the MPI communicator or MPI_COMM_NULL if obj is not valid.

This is one of the rare PETSc routines that does not return an error code. Use PetscObjectGetComm() when appropriate for error handling.

See Also#

PetscObject, PetscObjectGetComm()

Level#

advanced

Location#

src/sys/objects/gcomm.c

Examples#

src/snes/tutorials/ex15.c
src/dm/impls/plex/tutorials/ex11.c
src/tao/tutorials/ex4.c
src/vec/is/sf/tutorials/ex1.c
src/snes/tutorials/ex36.c
src/snes/tutorials/ex11.c
src/dm/impls/stag/tutorials/ex6.c
src/dm/impls/stag/tutorials/ex4.c
src/snes/tutorials/ex17.c
src/snes/tutorials/ex63.c


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Index of all manual pages