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[oneDPL] Add partial_sort and partial_sort_copy #642

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[oneDPL] Add partial_sort and partial_sort_copy #642

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24 changes: 24 additions & 0 deletions source/elements/oneDPL/source/parallel_api/parallel_range_api.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -408,6 +408,30 @@ Sorting and Merge
merge (ExecutionPolicy&& pol, R1&& r1, R2&& r2, OutR&& result, Comp comp = {},
Proj1 proj1 = {}, Proj2 proj2 = {});

// partial_sort
template <typename ExecutionPolicy, std::ranges::random_access_range R,
typename Comp = std::ranges::less, typename Proj = std::identity>
requires oneapi::dpl::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>> &&
std::ranges::sized_range<R> && std::sortable<std::ranges::iterator_t<R>, Comp, Proj>
std::ranges::borrowed_iterator_t<R>
partial_sort (ExecutionPolicy&& pol, R&& r, std::ranges::iterator_t<R> middle,
Comp comp = {}, Proj proj = {});

// partial_sort_copy
template <typename ExecutionPolicy, std::ranges::random_access_range R1,
std::ranges::random_access_range R2, typename Comp = std::ranges::less,
typename Proj1 = std::identity, typename Proj2 = std::identity>
requires oneapi::dpl::is_execution_policy_v<std::remove_cvref_t<ExecutionPolicy>> &&
std::ranges::sized_range<R1> && std::ranges::sized_range<R2> &&
std::indirectly_copyable<std::ranges::iterator_t<R1>, std::ranges::iterator_t<R2>> &&
std::sortable<std::ranges::iterator_t<R2>, Comp, Proj2> &&
std::indirect_strict_weak_order<Comp,
std::projected<std::ranges::iterator_t<R1>, Proj1>,
std::projected<std::ranges::iterator_t<R2>, Proj2> >
std::ranges::partial_sort_copy_result<std::ranges::borrowed_iterator_t<R1>,
std::ranges::borrowed_iterator_t<R2>>
partial_sort_copy (ExecutionPolicy&& pol, R1&& r1, R2&& r2, Comp comp = {},
Proj1 proj1 = {}, Proj2 proj2 = {});
}

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