[petsc-users] Global variables

[Jed Brown]

On Sun, May 8, 2011 at 18:54, Bartłomiej W <bartlomiej.wach at yahoo.pl> wrote:

> Hello,
>
> In my application, process of rank 0 reads an integer from a file, can I
> broadcast it without using a Vec?
>

Sure,

int myint;
if (!rank) {
  myint = from_file(...);
}
MPI_Bcast(&myint,1,MPI_INT,0,PETSC_COMM_WORLD);
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