[Trilinos-Users] Teuchos MpiComm

[Alicia Klinvex]

Hello David,

What are you trying to do with the MPI_Comm?  There's a really good chance
that whatever it is, you can do it with the Teuchos::Comm itself.

- Alicia

On Tue, Dec 23, 2014 at 1:34 PM, David Hysom <hysom1 at llnl.gov> wrote:

> Hi,
>
> What is the correct way to get the underlying MPI_Comm object here:
>
> Teuchos::RCP<matrix_t> A...;
>
> //doesn't work:
> Teuchos::RCP< const Teuchos::MpiComm< int > >  tr_comm = m_A->getComm();
>
> //works, but I don't have an MpiComm:
> Teuchos::RCP< const Teuchos::Comm< int > >  tr_comm = m_A->getComm();
>
> //fails because I don't have an MpiComm
> Teuchos::RCP<const Teuchos::OpaqueWrapper<int> > cmm =
> tr_comm->getRawMpiComm();
>
> Thanks in advance for help with this!
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