mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
#ifndef SPROUT_ALGORITHM_FIT_UNFOLD_HPP
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#define SPROUT_ALGORITHM_FIT_UNFOLD_HPP
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#include <sprout/config.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/algorithm/fixed/unfold.hpp>
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#include <sprout/algorithm/fit/result_of.hpp>
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#include <sprout/sub_array.hpp>
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namespace sprout {
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namespace fit {
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namespace detail {
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template<typename Container, typename Generator, typename... Inits>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Container>::type unfold_impl(
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Container const& cont,
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Generator gen,
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typename sprout::container_traits<Container>::difference_type offset,
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Inits const&... inits
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)
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{
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return sprout::sub_copy(
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sprout::get_internal(sprout::fixed::unfold(cont, gen, inits...)),
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offset,
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offset + sprout::size(cont)
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);
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}
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} // namespace detail
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//
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// unfold
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//
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template<typename Container, typename Generator, typename... Inits>
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inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Container>::type unfold(
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Container const& cont,
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Generator gen,
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Inits const&... inits
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)
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{
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return sprout::fit::detail::unfold_impl(cont, gen, sprout::internal_begin_offset(cont), inits...);
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}
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} // namespace fit
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} // namespace sprout
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#endif // #ifndef SPROUT_ALGORITHM_FIT_UNFOLD_HPP
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