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https://github.com/bolero-MURAKAMI/Sprout.git
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64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
#ifndef SPROUT_ALGORITHM_FIXED_REVERSE_COPY_HPP
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#define SPROUT_ALGORITHM_FIXED_REVERSE_COPY_HPP
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#include <cstddef>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple.hpp>
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#include <sprout/fixed_container/traits.hpp>
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#include <sprout/fixed_container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
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namespace sprout {
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namespace fixed {
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namespace detail {
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template<typename Iterator, typename Result, std::ptrdiff_t... Indexes>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type reverse_copy_impl(
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Iterator first,
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Iterator last,
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Result const& result,
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sprout::index_tuple<Indexes...>,
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typename sprout::fixed_container_traits<Result>::difference_type offset,
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typename sprout::fixed_container_traits<Result>::size_type size,
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typename sprout::fixed_container_traits<Result>::size_type input_size
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)
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{
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return sprout::remake_clone<Result, Result>(
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result,
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sprout::size(result),
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(Indexes >= offset && Indexes < offset + size && Indexes < offset + input_size
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? *sprout::prev(last, 1 + Indexes - offset)
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: *sprout::next(sprout::fixed_begin(result), Indexes)
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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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// reverse_copy
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//
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template<typename Iterator, typename Result>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type reverse_copy(
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Iterator first,
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Iterator last,
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Result const& result
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)
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{
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return sprout::fixed::detail::reverse_copy_impl(
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first,
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last,
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result,
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typename sprout::index_range<0, sprout::fixed_container_traits<Result>::fixed_size>::type(),
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sprout::fixed_begin_offset(result),
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sprout::size(result),
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NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first, last)
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);
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}
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} // namespace fixed
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using sprout::fixed::reverse_copy;
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_FIXED_REVERSE_COPY_HPP
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