@Daniel:
- n_vertices() only gives you the number of vertices for one process, not
> the global one. In particular, you can't rely on the fact that this is the
> same for all processes. Furthermore, you (probably) don't initialize all
> the values of your struct. This might be the reason for the large numbers
> you are observing.
>
Exactly. I fixed the large numbers by setting all entries initially 0. I
also had that in mind, but assumed that we already initialize everything
the moment we assign its size.
Here the solution for whom it may be interesting.
int disp_size = triangulation.n_vertices();
struct
{
double value* = 0*;
int rank *= 0*;
} in[disp_size], out[disp_size];
Surprisingly, n_vertices() gives me exactly the number of the total
vertices. I checked it. Is it not always like this? And what would be the
command to obtain the global one?
@ Jean-Paul: Ah, ok. I assumed there are special MPI_Send functions
implemented in deal.II which I could use such as Utilities::MPI::max() for
instance.
BR,
Seyed Ali
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