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https://github.com/bolero-MURAKAMI/Sprout.git
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83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
#ifndef SPROUT_RANGE_ADAPTOR_IDFT_HPP
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#define SPROUT_RANGE_ADAPTOR_IDFT_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/pit.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/iterator/idft_iterator.hpp>
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#include <sprout/range/adaptor/detail/adapted_range_default.hpp>
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#include <sprout/range/algorithm/copy.hpp>
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#include <sprout/type_traits/lvalue_reference.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/utility/lvalue_forward.hpp>
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namespace sprout {
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namespace adaptors {
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//
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// idft_range
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//
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template<typename Range>
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class idft_range
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: public sprout::adaptors::detail::adapted_range_default<
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Range,
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sprout::idft_iterator<typename sprout::container_traits<Range>::iterator>
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>
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{
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public:
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typedef sprout::adaptors::detail::adapted_range_default<
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Range,
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sprout::idft_iterator<typename sprout::container_traits<Range>::iterator>
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> base_type;
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typedef typename base_type::range_type range_type;
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typedef typename base_type::iterator iterator;
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public:
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idft_range() = default;
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idft_range(idft_range const&) = default;
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explicit SPROUT_CONSTEXPR idft_range(range_type& range)
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: base_type(
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iterator(sprout::begin(range), sprout::end(range)),
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iterator(sprout::begin(range), sprout::end(range), sprout::size(range))
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)
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{}
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};
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//
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// idft_forwarder
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//
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class idft_forwarder {};
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//
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// idft
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//
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namespace {
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SPROUT_STATIC_CONSTEXPR sprout::adaptors::idft_forwarder idft{};
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} // anonymous-namespace
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//
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// operator|
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//
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template<typename Range>
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inline SPROUT_CONSTEXPR sprout::adaptors::idft_range<
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typename std::remove_reference<typename sprout::lvalue_reference<Range>::type>::type
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>
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operator|(Range&& lhs, sprout::adaptors::idft_forwarder) {
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return sprout::adaptors::idft_range<
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typename std::remove_reference<typename sprout::lvalue_reference<Range>::type>::type
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>(
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sprout::lvalue_forward<Range>(lhs)
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);
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}
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} // namespace adaptors
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//
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// container_construct_traits
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//
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template<typename Range>
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struct container_construct_traits<sprout::adaptors::idft_range<Range> >
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: public sprout::container_construct_traits<typename sprout::adaptors::idft_range<Range>::base_type>
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{};
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} // namespace sprout
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#endif // #ifndef SPROUT_RANGE_ADAPTOR_IDFT_HPP
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