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adapt std::complex tuple and hash support

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bolero-MURAKAMI 2014-07-13 00:47:24 +09:00
parent f830221c56
commit 46b2b96013
3 changed files with 173 additions and 0 deletions
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17
sprout/adapt/std/complex.hpp Normal file
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/*=============================================================================
Copyright (c) 2011-2014 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_ADAPT_STD_COMPLEX_HPP
#define SPROUT_ADAPT_STD_COMPLEX_HPP
#include <complex>
#include <sprout/config.hpp>
//#include <sprout/container/std/complex.hpp>
#include <sprout/functional/hash/std/complex.hpp>
#include <sprout/tuple/std/complex.hpp>
#endif // #ifndef SPROUT_ADAPT_STD_COMPLEX_HPP

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sprout/functional/hash/std/complex.hpp Normal file
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/*=============================================================================
Copyright (c) 2011-2014 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_FUNCTIONAL_HASH_STD_COMPLEX_HPP
#define SPROUT_FUNCTIONAL_HASH_STD_COMPLEX_HPP
#include <complex>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/functional/hash.hpp>
namespace sprout {
//
// hash_value
//
template<typename T>
inline SPROUT_CONSTEXPR std::size_t
hash_value(std::complex<T> const& v) {
return sprout::hash_values(v.real(), v.imag());
}
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_HASH_STD_COMPLEX_HPP

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/*=============================================================================
Copyright (c) 2011-2014 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_TUPLE_STD_COMPLEX_HPP
#define SPROUT_TUPLE_STD_COMPLEX_HPP
#include <complex>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/tuple/tuple/tuple_traits.hpp>
#include <sprout/tuple/tuple/tuple_access_traits.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 {
namespace tuples {
namespace detail {
template<std::size_t I, typename T>
struct tuple_element_impl;
template<std::size_t I, typename T>
struct tuple_element_impl<I, std::complex<T> >
: public sprout::detail::nil_base
{};
template<typename T>
struct tuple_element_impl<0, std::complex<T> >
: public sprout::identity<T>
{};
template<typename T>
struct tuple_element_impl<1, std::complex<T> >
: public sprout::identity<T>
{};
template<std::size_t I, typename T>
struct get_impl;
template<typename T>
struct get_impl<0, std::complex<T> > {
public:
SPROUT_CONSTEXPR T operator()(std::complex<T> const& t) const {
return t.real();
}
};
template<typename T>
struct get_impl<1, std::complex<T> > {
public:
SPROUT_CONSTEXPR T operator()(std::complex<T> const& t) const {
return t.imag();
}
};
} // namespace detail
} // namespace tuples
} // namespace sprout
namespace sprout {
namespace tuples {
//
// tuple_size
//
template<typename T>
struct tuple_size<std::complex<T> >
: public sprout::integral_constant<std::size_t, 2>
{};
//
// tuple_element
//
template<std::size_t I, typename T>
struct tuple_element<I, std::complex<T> >
: public sprout::tuples::detail::tuple_element_impl<I, std::complex<T> >
{};
} // namespace tuples
} // namespace sprout
namespace sprout {
namespace tuples {
//
// tuple_traits
//
template<typename T>
struct tuple_traits<std::complex<T> > {
public:
SPROUT_STATIC_CONSTEXPR std::size_t size = sprout::tuples::tuple_size<std::complex<T> >::value;
public:
template<std::size_t I>
struct element
: public sprout::tuples::tuple_element<I, std::complex<T> >
{};
template<std::size_t I>
struct lvalue_reference
: public element<I>
{};
template<std::size_t I>
struct const_lvalue_reference
: public element<I>
{};
template<std::size_t I>
struct rvalue_reference
: public element<I>
{};
template<std::size_t I>
struct const_rvalue_reference
: public element<I>
{};
};
template<typename T>
SPROUT_CONSTEXPR_OR_CONST std::size_t sprout::tuples::tuple_traits<std::complex<T> >::size;
//
// tuple_access_traits
//
template<typename T>
struct tuple_access_traits<std::complex<T> > {
public:
template<std::size_t I>
static SPROUT_CONSTEXPR T
tuple_get(std::complex<T> const& t) SPROUT_NOEXCEPT {
static_assert(I < 2, "tuple_get: index out of range");
return sprout::tuples::detail::get_impl<I, std::complex<T> >()(t);
}
};
} // namespace tuples
} // namespace sprout
#endif // #ifndef SPROUT_TUPLE_STD_COMPLEX_HPP