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Add support for MPI intercommunicators

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[SVN r37882]
This commit is contained in:
Douglas Gregor
2007-06-04 14:49:13 +00:00
parent 8cd257f4cb
commit 03e2016cf7
10 changed files with 264 additions and 43 deletions
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9
src/group.cpp
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@@ -19,15 +19,6 @@ group::group(const MPI_Group& in_group, bool adopt)
}
}
group::group(const communicator& comm)
{
MPI_Group gr;
BOOST_MPI_CHECK_RESULT(MPI_Comm_group, ((MPI_Comm)comm, &gr));
if (gr != MPI_GROUP_EMPTY)
group_ptr.reset(new MPI_Group(gr), group_free());
}
optional<int> group::rank() const
{
if (!group_ptr)