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[oneDPL] Add set parallel range algorithms #630

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099ca1a
[oneDPL] Add set parallel range algorithms
dmitriy-sobolev Jul 18, 2025
b8487d2
Add includes
dmitriy-sobolev Jul 23, 2025
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88 changes: 87 additions & 1 deletion 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 @@ -288,7 +288,7 @@ Sequence Search and Comparison
std::ranges::borrowed_iterator_t<R2>>
mismatch (ExecutionPolicy&& pol, R1&& r1, R2&& r2, Pred pred = {},
Proj1 proj1 = {}, Proj2 proj2 = {});


// find_end
template<typename ExecutionPolicy, std::ranges::random_access_range R1,
Expand Down Expand Up @@ -389,6 +389,92 @@ Sorting and Merge

}

Set operations
++++++++++++++

.. code:: cpp

// Defined in <oneapi/dpl/algorithm>

namespace oneapi::dpl::ranges {

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

// set_union
template <typename ExecutionPolicy, std::ranges::random_access_range R1,
std::ranges::random_access_range R2, std::ranges::random_access_range OutR,
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::ranges::sized_range<OutR> &&
std::mergeable<std::ranges::iterator_t<R1>, std::ranges::iterator_t<R2>,
std::ranges::iterator_t<OutR>, Comp, Proj1, Proj2>
std::ranges::set_union_result<std::ranges::borrowed_iterator_t<R1>,
std::ranges::borrowed_iterator_t<R2>,
std::ranges::borrowed_iterator_t<OutR>>
set_union (ExecutionPolicy&& pol, R1&& r1, R2&& r2, OutR&& result, Comp comp = {},
Proj1 proj1 = {}, Proj2 proj2 = {});

// set_intersection
template <typename ExecutionPolicy, std::ranges::random_access_range R1,
std::ranges::random_access_range R2, std::ranges::random_access_range OutR,
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::ranges::sized_range<OutR> &&
std::mergeable<std::ranges::iterator_t<R1>, std::ranges::iterator_t<R2>,
std::ranges::iterator_t<OutR>, Comp, Proj1, Proj2>
std::ranges::set_intersection_result<std::ranges::borrowed_iterator_t<R1>,
std::ranges::borrowed_iterator_t<R2>,
std::ranges::borrowed_iterator_t<OutR>>
set_intersection (ExecutionPolicy&& pol, R1&& r1, R2&& r2, OutR&& result, Comp comp = {},
Proj1 proj1 = {}, Proj2 proj2 = {});

// set_difference
template <typename ExecutionPolicy, std::ranges::random_access_range R1,
std::ranges::random_access_range R2, std::ranges::random_access_range OutR,
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::ranges::sized_range<OutR> &&
std::mergeable<std::ranges::iterator_t<R1>, std::ranges::iterator_t<R2>,
std::ranges::iterator_t<OutR>, Comp, Proj1, Proj2>
std::ranges::set_difference_result<std::ranges::borrowed_iterator_t<R1>,
std::ranges::borrowed_iterator_t<R2>,
std::ranges::borrowed_iterator_t<OutR>>
set_difference (ExecutionPolicy&& pol, R1&& r1, R2&& r2, OutR&& result, Comp comp = {},
Proj1 proj1 = {}, Proj2 proj2 = {});

// set_symmetric_difference
template <typename ExecutionPolicy, std::ranges::random_access_range R1,
std::ranges::random_access_range R2, std::ranges::random_access_range OutR,
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::ranges::sized_range<OutR> &&
std::mergeable<std::ranges::iterator_t<R1>, std::ranges::iterator_t<R2>,
std::ranges::iterator_t<OutR>, Comp, Proj1, Proj2>
std::ranges::set_symmetric_difference_result<std::ranges::borrowed_iterator_t<R1>,
std::ranges::borrowed_iterator_t<R2>,
std::ranges::borrowed_iterator_t<OutR>>
set_symmetric_difference (ExecutionPolicy&& pol, R1&& r1, R2&& r2, OutR&& result,
Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});
}

Copying Mutating Operations
+++++++++++++++++++++++++++

Expand Down
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