///////////////////////////////////////////////////////////////////////////////
//
// File: CanGetRawPtr.hpp
//
// For more information, please see: http://www.nektar.info
//
// The MIT License
//
// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
// Department of Aeronautics, Imperial College London (UK), and Scientific
// Computing and Imaging Institute, University of Utah (USA).
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// Description:
//
///////////////////////////////////////////////////////////////////////////////

#ifndef NEKTAR_LIB_UTILITIES_LINEAR_ALGEBRA_CAN_GET_RAW_PTR_HPP
#define NEKTAR_LIB_UTILITIES_LINEAR_ALGEBRA_CAN_GET_RAW_PTR_HPP

#include <LibUtilities/LinearAlgebra/NekMatrixFwd.hpp>
#include <type_traits>

namespace Nektar
{
template <typename MatrixType> struct CanGetRawPtr : public std::false_type
{
};

template <typename T>
struct CanGetRawPtr<NekMatrix<T, StandardMatrixTag>> : public std::true_type
{
};

template <typename T, typename R>
struct CanGetRawPtr<NekMatrix<NekMatrix<T, R>, ScaledMatrixTag>>
    : public std::true_type
{
};

template <typename T, typename M>
struct CanGetRawPtr<NekMatrix<T, M>>
    : std::conditional<!std::is_same<BlockMatrixTag, M>::value &&
                           CanGetRawPtr<T>::value,
                       std::true_type, std::false_type>::type
{
};
} // namespace Nektar

#endif // NEKTAR_LIB_UTILITIES_LINEAR_ALGEBRA_CAN_GET_RAW_PTR_HPP
