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add valarray

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bolero-MURAKAMI 2016-04-03 13:12:14 +09:00
parent 5ff6029d51
commit 1b8c051008
27 changed files with 3330 additions and 5 deletions
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70
sprout/valarray/tuple.hpp Normal file
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/*=============================================================================
Copyright (c) 2011-2016 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_VALARRAY_TUPLE_HPP
#define SPROUT_VALARRAY_TUPLE_HPP
#include <type_traits>
#include <tuple>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/valarray/valarray.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/tuple/tuple/get.hpp>
#include <sprout/type_traits/integral_constant.hpp>
#include <sprout/type_traits/identity.hpp>
#include <sprout/detail/nil_base.hpp>
namespace sprout {
//
// tuple_get
//
template<std::size_t I, typename T, std::size_t N>
inline SPROUT_CONSTEXPR T&
tuple_get(sprout::valarray<T, N>& t) SPROUT_NOEXCEPT {
static_assert(I < N, "tuple_get: index out of range");
return t[I];
}
template<std::size_t I, typename T, std::size_t N>
inline SPROUT_CONSTEXPR T const&
tuple_get(sprout::valarray<T, N> const& t) SPROUT_NOEXCEPT {
static_assert(I < N, "tuple_get: index out of range");
return t[I];
}
template<std::size_t I, typename T, std::size_t N>
inline SPROUT_CONSTEXPR T&&
tuple_get(sprout::valarray<T, N>&& t) SPROUT_NOEXCEPT {
return sprout::move(sprout::tuples::get<I>(t));
}
} // namespace sprout
namespace std {
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wmismatched-tags"
#endif
//
// tuple_size
//
template<typename T, std::size_t N>
struct tuple_size<sprout::valarray<T, N> >
: public sprout::integral_constant<std::size_t, N>
{};
//
// tuple_element
//
template<std::size_t I, typename T, std::size_t N>
struct tuple_element<I, sprout::valarray<T, N> >
: public std::conditional<(I < N), sprout::identity<T>, sprout::detail::nil_base>::type
{};
#if defined(__clang__)
# pragma clang diagnostic pop
#endif
} // namespace std
#endif // #ifndef SPROUT_VALARRAY_TUPLE_HPP