PetscObjectGetComm

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

Synopsis

#include "petscsys.h"    
PetscErrorCode PetscObjectGetComm(PetscObject obj, MPI_Comm *comm)

Not Collective

Input Parameter

• obj - any PETSc object, for example a Vec, Mat or KSP. Thus must be cast with a (PetscObject), for example, PetscObjectGetComm((PetscObject)mat,&comm);

Output Parameter

• comm - the MPI communicator

See Also

PetscObject, PetscObjectComm()

Level

advanced

Location

src/sys/objects/gcomm.c

Examples

src/ts/tutorials/ex12.c
src/ts/tutorials/ex52.c
src/ts/tutorials/ex7.c
src/ts/tutorials/ex47.c
src/ts/tutorials/ex14.c
src/ts/tutorials/ex18.c
src/ts/tutorials/ex10.c
src/ts/tutorials/ex46.c
src/ts/tutorials/ex77.c
src/ksp/ksp/tutorials/ex73.c

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Index of all Sys routines
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Index of all manual pages