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https://github.com/bolero-MURAKAMI/Sprout.git
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75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
#ifndef SPROUT_ALGORITHM_FIT_SHUFFLE_RESULT_HPP
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#define SPROUT_ALGORITHM_FIT_SHUFFLE_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/shuffle_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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> shuffle_result_impl_1(
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Shuffled const& shuffled,
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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>(shuffled)),
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offset,
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offset + sprout::size(sprout::tuples::get<0>(shuffled))
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),
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sprout::tuples::get<1>(shuffled)
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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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> shuffle_result_impl(
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Container const& cont,
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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::shuffle_result_impl_1<Container, UniformRandomNumberGenerator>(
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sprout::fixed::shuffle_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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// shuffle_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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> shuffle_result(
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Container const& cont,
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UniformRandomNumberGenerator&& g
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)
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{
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return sprout::fit::detail::shuffle_result_impl(
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cont,
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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_SHUFFLE_RESULT_HPP
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