mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 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_CONTAINER_STD_COMPLEX_HPP
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#define SPROUT_CONTAINER_STD_COMPLEX_HPP
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#include <complex>
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#include <type_traits>
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#include <stdexcept>
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#include <sprout/workaround/std/cstddef.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/iterator/index_iterator.hpp>
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namespace sprout {
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namespace detail {
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struct std_complex_at {
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public:
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template<typename Complex, typename Index>
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SPROUT_CONSTEXPR typename Complex::value_type
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operator()(Complex const& c, Index i) const {
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return i == 0 ? c.real()
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: i == 1 ? c.imag()
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: throw std::out_of_range("std_complex_at<>: index out of range")
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;
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}
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};
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} // namespace detail
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//
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// container_traits
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//
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template<typename T>
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struct container_traits<std::complex<T> > {
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public:
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typedef T value_type;
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typedef sprout::index_iterator<std::complex<T>&, true, sprout::detail::std_complex_at> iterator;
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typedef sprout::index_iterator<std::complex<T> const&, true, sprout::detail::std_complex_at> const_iterator;
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typedef T reference;
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typedef T const_reference;
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typedef std::size_t size_type;
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typedef std::ptrdiff_t difference_type;
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typedef T* pointer;
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typedef T const* const_pointer;
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public:
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SPROUT_STATIC_CONSTEXPR size_type static_size = 2;
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public:
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static SPROUT_CONSTEXPR size_type
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fixed_size() SPROUT_NOEXCEPT {
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return static_size;
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}
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};
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template<typename T>
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SPROUT_CONSTEXPR_OR_CONST typename sprout::container_traits<std::complex<T> >::size_type
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sprout::container_traits<std::complex<T> >::static_size;
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//
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// container_range_traits
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//
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template<typename T>
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struct container_range_traits<std::complex<T> >
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: public sprout::detail::container_range_traits_default<std::complex<T> >
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{
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public:
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static SPROUT_CONSTEXPR typename sprout::container_traits<std::complex<T> >::iterator
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range_begin(std::complex<T>& cont) {
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return typename sprout::container_traits<std::complex<T> >::iterator(cont, 0);
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}
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static SPROUT_CONSTEXPR typename sprout::container_traits<std::complex<T> const>::iterator
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range_begin(std::complex<T> const& cont) {
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return typename sprout::container_traits<std::complex<T> const>::iterator(cont, 0);
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}
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static SPROUT_CONSTEXPR typename sprout::container_traits<std::complex<T> >::iterator
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range_end(std::complex<T>& cont) {
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return typename sprout::container_traits<std::complex<T> >::iterator(cont, 2);
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}
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static SPROUT_CONSTEXPR typename sprout::container_traits<std::complex<T> const>::iterator
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range_end(std::complex<T> const& cont) {
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return typename sprout::container_traits<std::complex<T> const>::iterator(cont, 2);
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}
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};
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//
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// container_construct_traits
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//
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template<typename T>
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struct container_construct_traits<std::complex<T> > {
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public:
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typedef std::complex<T> copied_type;
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public:
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template<typename Cont>
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static SPROUT_CONSTEXPR copied_type
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deep_copy(Cont&& cont) {
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return SPROUT_FORWARD(Cont, cont);
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}
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template<typename... Args>
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static SPROUT_CONSTEXPR copied_type
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make(Args&&... args) {
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return copied_type(SPROUT_FORWARD(Args, args)...);
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}
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template<typename Cont, typename... Args>
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static SPROUT_CONSTEXPR copied_type
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remake(Cont&&, typename sprout::container_traits<std::complex<T> >::difference_type, Args&&... args) {
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return copied_type(SPROUT_FORWARD(Args, args)...);
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}
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};
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} // namespace sprout
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#endif // #ifndef SPROUT_CONTAINER_STD_COMPLEX_HPP
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