#include #if defined(PETSC_HAVE_FORTRAN_CAPS) #define petscobjectgetcomm_ PETSCOBJECTGETCOMM #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) #define petscobjectgetcomm_ petscobjectgetcomm #endif PETSC_EXTERN void petscobjectgetcomm_(PetscObject *obj, MPI_Fint *comm, PetscErrorCode *ierr) { MPI_Comm c; *ierr = PetscObjectGetComm(*obj, &c); *(int *)comm = MPI_Comm_c2f(c); }