changed: put ParallelOverlappingILU0 in separate compile unit

i chose to split in a separate _impl file because this code is so
generic that there may be downstream users who want to use on other
matrix types than what we use in opm-simulators.

opm/simulators/linalg/ParallelOverlappingILU0.cpp

@@ -0,0 +1,56 @@
+/*
+  Copyright 2015 Dr. Blatt - HPC-Simulation-Software & Services
+  Copyright 2015 Statoil AS
+
+  This file is part of the Open Porous Media project (OPM).
+
+  OPM is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  OPM is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <opm/simulators/linalg/ParallelOverlappingILU0_impl.hpp>
+
+#include <dune/istl/owneroverlapcopy.hh>
+
+namespace Opm
+{
+
+#define INSTANCE_PAR(Dim, ...) \
+  template class ParallelOverlappingILU0<Dune::BCRSMatrix<MatrixBlock<double,Dim,Dim>>, \
+                                         Dune::BlockVector<Dune::FieldVector<double,Dim>>, \
+                                         Dune::BlockVector<Dune::FieldVector<double,Dim>>, \
+                                         __VA_ARGS__>; \
+  template class ParallelOverlappingILU0<Dune::BCRSMatrix<Dune::FieldMatrix<double,Dim,Dim>>, \
+                                         Dune::BlockVector<Dune::FieldVector<double,Dim>>, \
+                                         Dune::BlockVector<Dune::FieldVector<double,Dim>>, \
+                                         __VA_ARGS__>;
+
+#if HAVE_MPI
+#define INSTANCE(Dim) \
+    INSTANCE_PAR(Dim, Dune::Amg::SequentialInformation) \
+    INSTANCE_PAR(Dim, Dune::OwnerOverlapCopyCommunication<int,int>)
+#else
+#define INSTANCE(Dim) \
+    INSTANCE_PAR(Dim, Dune::Amg::SequentialInformation)
+#endif
+
+INSTANCE(1)
+INSTANCE(2)
+INSTANCE(3)
+INSTANCE(4)
+INSTANCE(5)
+INSTANCE(6)
+
+} // end namespace Opm