From: bangerth Date: Wed, 29 Oct 2008 12:18:40 +0000 (+0000) Subject: Add comment. X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=69f988d05c14931d5030b3e9c664ea7812a05d81;p=dealii-svn.git Add comment. git-svn-id: https://svn.dealii.org/trunk@17394 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/base/include/base/utilities.h b/deal.II/base/include/base/utilities.h index 2e951716c2..1d93a6ca25 100644 --- a/deal.II/base/include/base/utilities.h +++ b/deal.II/base/include/base/utilities.h @@ -289,6 +289,15 @@ namespace Utilities * Returns a Trilinos Epetra_Comm * object needed for creation of * Epetra_Maps. + * + * If deal.II has been configured to use + * a compiler that does not support MPI + * then the resulting communicator will + * be a serial one. Otherwise, the + * communicator will correspond to + * MPI_COMM_WORLD, i.e. a communicator + * that encompasses all processes within + * this MPI universe. */ const Epetra_Comm& comm() const;