Use MPIU_INTEGER for Fortran
> On Nov 27, 2015, at 12:09 PM, Jose E. Roman <jro...@dsic.upv.es> wrote: > > >> El 27 nov 2015, a las 19:00, Randall Mackie <rlmackie...@gmail.com> escribió: >> >> If my program is compiled using 64-bit-indices, and I have an integer >> variable defined as PetscInt, what is the right way to broadcast that using >> MPI_Bcast? >> >> I currently have: >> >> call MPI_Bcast(n, 1, MPI_INTEGER, … >> >> which is the right way to do it for regular integers, but what do I use in >> place of MPI_INTEGER when Petsc is compiled with 64-bit-indices. >> >> >> Thanks, >> >> Randy M. > > There are PETSc-defined MPI types for basic PETSc datatypes: MPIU_INT for > PetscInt, MPIU_SCALAR for PetscScalar, and so on. See petscsys.h for details. > > Jose >
