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add complex tuple and container support
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11 changed files with 357 additions and 100 deletions
111
sprout/complex/tuple.hpp
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111
sprout/complex/tuple.hpp
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/*=============================================================================
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Copyright (c) 2011-2014 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_COMPLEX_TUPLE_HPP
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#define SPROUT_COMPLEX_TUPLE_HPP
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#include <sprout/config.hpp>
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#include <sprout/workaround/std/cstddef.hpp>
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#include <sprout/complex/complex.hpp>
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#include <sprout/utility/move.hpp>
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#include <sprout/type_traits/integral_constant.hpp>
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#include <sprout/type_traits/identity.hpp>
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#include <sprout/detail/nil_base.hpp>
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namespace sprout {
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namespace tuples {
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namespace detail {
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template<std::size_t I, typename T>
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struct tuple_element_impl;
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template<std::size_t I, typename T>
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struct tuple_element_impl<I, sprout::complex<T> >
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: public sprout::detail::nil_base
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{};
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template<typename T>
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struct tuple_element_impl<0, sprout::complex<T> >
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: public sprout::identity<T>
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{};
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template<typename T>
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struct tuple_element_impl<1, sprout::complex<T> >
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: public sprout::identity<T>
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{};
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template<std::size_t I, typename T>
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struct get_impl;
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template<typename T>
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struct get_impl<0, sprout::complex<T> > {
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public:
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SPROUT_CONSTEXPR T& operator()(sprout::complex<T>& t) const {
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return t.real();
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}
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SPROUT_CONSTEXPR T const& operator()(sprout::complex<T> const& t) const {
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return t.real();
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}
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};
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template<typename T>
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struct get_impl<1, sprout::complex<T> > {
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public:
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SPROUT_CONSTEXPR T& operator()(sprout::complex<T>& t) const {
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return t.imag();
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}
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SPROUT_CONSTEXPR T const& operator()(sprout::complex<T> const& t) const {
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return t.imag();
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}
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};
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} // namespace detail
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} // namespace tuples
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} // namespace sprout
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namespace std {
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#if defined(__clang__)
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wmismatched-tags"
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#endif
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//
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// tuple_size
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//
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template<typename T>
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struct tuple_size<sprout::complex<T> >
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: public sprout::integral_constant<std::size_t, 2>
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{};
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//
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// tuple_element
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//
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template<std::size_t I, typename T>
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struct tuple_element<I, sprout::complex<T> >
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: public sprout::tuples::detail::tuple_element_impl<I, sprout::complex<T> >
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{};
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#if defined(__clang__)
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# pragma clang diagnostic pop
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#endif
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} // namespace std
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namespace sprout {
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//
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// tuple_get
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//
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template<std::size_t I, typename T>
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inline SPROUT_CONSTEXPR typename sprout::tuples::tuple_element<I, sprout::complex<T> >::type&
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tuple_get(sprout::complex<T>& t) SPROUT_NOEXCEPT {
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static_assert(I < 2, "tuple_get: index out of range");
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return sprout::tuples::detail::get_impl<I, sprout::complex<T> >()(t);
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}
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template<std::size_t I, typename T>
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inline SPROUT_CONSTEXPR typename sprout::tuples::tuple_element<I, sprout::complex<T> >::type const&
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tuple_get(sprout::complex<T> const& t) SPROUT_NOEXCEPT {
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static_assert(I < 2, "tuple_get: index out of range");
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return sprout::tuples::detail::get_impl<I, sprout::complex<T> >()(t);
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}
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template<std::size_t I, typename T>
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inline SPROUT_CONSTEXPR typename sprout::tuples::tuple_element<I, sprout::complex<T> >::type&&
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tuple_get(sprout::complex<T>&& t) SPROUT_NOEXCEPT {
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return sprout::move(sprout::tuples::get<I>(t));
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_COMPLEX_TUPLE_HPP
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