/usr/include/trilinos/MueLu_SmootherCloner.hpp is in libtrilinos-muelu-dev 12.4.2-2.
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//
// ***********************************************************************
//
// MueLu: A package for multigrid based preconditioning
// Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
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// 2. Redistributions in binary form must reproduce the above copyright
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// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// @HEADER
#ifndef MUELU_SMOOTHERBASECLONER_HPP
#define MUELU_SMOOTHERBASECLONER_HPP
#include <Xpetra_MultiVector_fwd.hpp>
#include "MueLu_ConfigDefs.hpp"
#include "MueLu_BaseClass.hpp"
#include "MueLu_SmootherBase.hpp"
#if defined(HAVE_MUELU_IFPACK2)
#include "MueLu_Ifpack2Smoother.hpp"
#endif
#include "MueLu_TrilinosSmoother.hpp"
namespace MueLu {
template <class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node1, class Node2>
Teuchos::RCP<SmootherBase<Scalar,LocalOrdinal,GlobalOrdinal,Node2> >
clone (const Teuchos::RCP<SmootherBase<Scalar,LocalOrdinal,GlobalOrdinal,Node1> >& SB,
const Teuchos::RCP<const Xpetra::Matrix<Scalar,LocalOrdinal,GlobalOrdinal,Node2> >& cloneA,
const RCP<Node2>& node2)
{
#if defined(HAVE_MUELU_IFPACK2)
Teuchos::RCP<SmootherBase<Scalar, LocalOrdinal, GlobalOrdinal, Node2> > cloneSB;
Teuchos::RCP<TrilinosSmoother<Scalar, LocalOrdinal, GlobalOrdinal, Node1> > trilSmoother =
Teuchos::rcp_dynamic_cast<TrilinosSmoother<Scalar, LocalOrdinal, GlobalOrdinal, Node1> >(SB);
if (trilSmoother != Teuchos::null){
cloneSB = trilSmoother->clone (node2, cloneA);
return cloneSB;
}
Teuchos::RCP<Ifpack2Smoother<Scalar, LocalOrdinal, GlobalOrdinal, Node1> > ifSmoother =
Teuchos::rcp_dynamic_cast<Ifpack2Smoother<Scalar, LocalOrdinal, GlobalOrdinal, Node1> >(SB);
if (ifSmoother != Teuchos::null){
cloneSB = ifSmoother->clone(node2, cloneA);
return cloneSB;
}
else {
TEUCHOS_TEST_FOR_EXCEPTION(
true, std::invalid_argument, "MueLu::SmootherClone: "
"Invalid smoother type to clone (not TrilinosSmoother or Ifpack2 ) \"");
}
#else
TEUCHOS_TEST_FOR_EXCEPTION(
true, std::invalid_argument, "MueLu::SmootherClone: "
"clone() only available with IFPACK2 enabled.");
#endif
}
} //namespace MueLu
#define MUELU_SMOOTHERBASECLONER_SHORT
#endif //ifndef MUELU_SMOOTHERBASECLONER_HPP
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