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/*
 *   Copyright (c) 2011, Michael Lehn
 *
 *   All rights reserved.
 *
 *   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
 *      notice, this list of conditions and the following disclaimer.
 *   2) Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in
 *      the documentation and/or other materials provided with the
 *      distribution.
 *   3) Neither the name of the FLENS development group nor the names of
 *      its contributors may be used to endorse or promote products derived
 *      from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef FLENS_HACKS_STD_H
#define FLENS_HACKS_STD_H 1

#ifdef STD_HACK

#include <cxxstd/sstream.h>
#include <flens/auxiliary/issame.h>

namespace std {

//
// remove_reference
//
template <typename T>
struct remove_reference
{
    typedef T type;
};

template <typename T>
struct remove_reference<T &>
{
    typedef T type;
};

template <typename T>
struct remove_reference<T &&>
{
    typedef T type;
};

//
// is_floating_point
//
template <typename T>
struct is_floating_point
{
    static const bool value = flens::IsSame<T, float>::value
                           || flens::IsSame<T, double>::value
                           || flens::IsSame<T, long double>::value;
};

template <>
struct is_floating_point<long double>
{
    static const bool value = true;
};

//
// is_integral
//
template <typename T>
struct is_integral
{
    static const bool value = flens::IsSame<T, int>::value
                           || flens::IsSame<T, long>::value;
};

//
// is_arithmetic
//
template <typename T>
struct is_arithmetic
{
    static const bool value = std::is_integral <T>::value
                           || std::is_floating_point <T>::value;
};

} // namespace std

#endif // STD_HACK

#endif // FLENS_HACKS_STD_H





































































































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