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https://github.com/bolero-MURAKAMI/Sprout.git
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72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
#ifndef SPROUT_ALGORITHM_FIT_RANDOM_SWAP_RESULT_HPP
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#define SPROUT_ALGORITHM_FIT_RANDOM_SWAP_RESULT_HPP
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#include <sprout/config.hpp>
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#include <sprout/tuple/tuple.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/utility/forward.hpp>
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#include <sprout/algorithm/fixed/random_swap_result.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 UniformRandomNumberGenerator, typename Shuffled>
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inline SPROUT_CONSTEXPR sprout::tuples::tuple<
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typename sprout::fit::result_of::algorithm<Container>::type,
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typename std::decay<UniformRandomNumberGenerator>::type
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>
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random_swap_result_impl_1(
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Shuffled const& random_swapd,
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typename sprout::container_traits<Container>::difference_type offset
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)
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{
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typedef sprout::tuples::tuple<
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typename sprout::fit::result_of::algorithm<Container>::type,
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typename std::decay<UniformRandomNumberGenerator>::type
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> result_type;
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return result_type(
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sprout::sub_copy(
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sprout::get_internal(sprout::tuples::get<0>(random_swapd)),
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offset,
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offset + sprout::size(sprout::tuples::get<0>(random_swapd))
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),
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sprout::tuples::get<1>(random_swapd)
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);
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}
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template<typename Container, typename UniformRandomNumberGenerator>
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inline SPROUT_CONSTEXPR sprout::tuples::tuple<
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typename sprout::fit::result_of::algorithm<Container>::type,
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typename std::decay<UniformRandomNumberGenerator>::type
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>
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random_swap_result_impl(
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Container const& cont, UniformRandomNumberGenerator&& g,
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typename sprout::container_traits<Container>::difference_type offset
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)
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{
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return sprout::fit::detail::random_swap_result_impl_1<Container, UniformRandomNumberGenerator>(
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sprout::fixed::random_swap_result(cont, sprout::forward<UniformRandomNumberGenerator>(g)),
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offset
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);
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}
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} // namespace detail
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//
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// random_swap_result
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//
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template<typename Container, typename UniformRandomNumberGenerator>
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inline SPROUT_CONSTEXPR sprout::tuples::tuple<
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typename sprout::fit::result_of::algorithm<Container>::type,
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typename std::decay<UniformRandomNumberGenerator>::type
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>
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random_swap_result(Container const& cont, UniformRandomNumberGenerator&& g) {
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return sprout::fit::detail::random_swap_result_impl(
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cont, sprout::forward<UniformRandomNumberGenerator>(g),
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sprout::internal_begin_offset(cont)
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);
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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_RANDOM_SWAP_RESULT_HPP
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