// @HEADER
//
// ***********************************************************************
//
//        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.
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// 1. Redistributions of source code must retain the above copyright
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// Questions? Contact
//                    Jonathan Hu       (jhu@sandia.gov)
//                    Andrey Prokopenko (aprokop@sandia.gov)
//                    Ray Tuminaro      (rstumin@sandia.gov)
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// @HEADER
#ifndef MUELU_PERFUTILS_DECL_HPP
#define MUELU_PERFUTILS_DECL_HPP

#include "MueLu_ConfigDefs.hpp"

#include <Teuchos_ParameterList.hpp>

#include <Xpetra_Export_fwd.hpp>
#include <Xpetra_Import_fwd.hpp>
#include <Xpetra_Matrix_fwd.hpp>

//#include "MueLu_Utilities_fwd.hpp"

namespace MueLu {
// MPI helpers
#define MueLu_sumAll(rcpComm, in, out)                                        \
    Teuchos::reduceAll(*rcpComm, Teuchos::REDUCE_SUM, in, Teuchos::outArg(out))
#define MueLu_minAll(rcpComm, in, out)                                        \
    Teuchos::reduceAll(*rcpComm, Teuchos::REDUCE_MIN, in, Teuchos::outArg(out))
#define MueLu_maxAll(rcpComm, in, out)                                        \
    Teuchos::reduceAll(*rcpComm, Teuchos::REDUCE_MAX, in, Teuchos::outArg(out))

  template <class Scalar,
            class LocalOrdinal  = int,
            class GlobalOrdinal = LocalOrdinal,
            class Node          = KokkosClassic::DefaultNode::DefaultNodeType>
  class PerfUtils {
#undef MUELU_PERFUTILS_SHORT
#include "MueLu_UseShortNames.hpp"

  public:
    static std::string PrintMatrixInfo(const Matrix& A, const std::string& msgTag, RCP<const Teuchos::ParameterList> params = Teuchos::null);

    static std::string CommPattern(const Matrix& A, const std::string& msgTag, RCP<const Teuchos::ParameterList> params = Teuchos::null);
  };

} //namespace MueLu

#define MUELU_PERFUTILS_SHORT
#endif // MUELU_PERFUTILS_DECL_HPP
