plain_type.hpp

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// This file is a part of NiHu, a C++ BEM template library.
//
// Copyright (C) 2012-2014  Peter Fiala <fiala@hit.bme.hu>
// Copyright (C) 2012-2014  Peter Rucz <rucz@hit.bme.hu>
//
// This program 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.
//
// This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 
#ifndef PLAIN_TYPE_HPP_INCLUDED
#define PLAIN_TYPE_HPP_INCLUDED
 
#include "eigen_utils.hpp"
 
#include <type_traits>
 
namespace NiHu
{
 
template <
    class T,
    bool isEigen = is_eigen<T>::value
>
struct plain_type 
    : std::decay<T>
{
};
 
 
template <class T>
struct plain_type<T, true>
{
    typedef typename std::decay<T>::type::PlainObject type;
};
 
} // end of namespace NiHu
 
#endif /* PLAIN_TYPE_HPP_INCLUDED */