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287 lines
15 KiB
C++
287 lines
15 KiB
C++
// Range v3 library
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//
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// Copyright Eric Niebler 2014-present
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//
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// Use, modification and distribution is subject to the
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// Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Project home: https://github.com/ericniebler/range-v3
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//
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <algorithm>
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#include <functional>
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#include <range/v3/core.hpp>
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#include <range/v3/algorithm/fill.hpp>
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#include <range/v3/algorithm/set_algorithm.hpp>
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#include <range/v3/algorithm/lexicographical_compare.hpp>
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#include "../simple_test.hpp"
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#include "../test_utils.hpp"
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#include "../test_iterators.hpp"
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template<class Iter1, class Iter2, class OutIter>
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void
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test()
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{
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int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4};
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static const int sa = sizeof(ia)/sizeof(ia[0]);
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int ib[] = {2, 4, 4, 6};
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static const int sb = sizeof(ib)/sizeof(ib[0]);
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int ic[20];
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int ir[] = {2, 4, 4};
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static const int sr = sizeof(ir)/sizeof(ir[0]);
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auto set_intersection = ::make_testable_2<true, true>(ranges::set_intersection);
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set_intersection(Iter1(ia), Iter1(ia+sa),
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Iter2(ib), Iter2(ib+sb), OutIter(ic)).check([&](OutIter ce)
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{
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CHECK((base(ce) - ic) == sr);
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CHECK(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == false);
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ranges::fill(ic, 0);
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});
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set_intersection(Iter1(ib), Iter1(ib+sb),
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Iter2(ia), Iter2(ia+sa), OutIter(ic)).check([&](OutIter ce)
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{
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CHECK((base(ce) - ic) == sr);
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CHECK(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == false);
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ranges::fill(ic, 0);
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});
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set_intersection(Iter1(ia), Iter1(ia+sa),
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Iter2(ib), Iter2(ib+sb), OutIter(ic), std::less<int>()).check([&](OutIter ce)
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{
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CHECK((base(ce) - ic) == sr);
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CHECK(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == false);
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ranges::fill(ic, 0);
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});
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set_intersection(Iter1(ib), Iter1(ib+sb),
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Iter2(ia), Iter2(ia+sa), OutIter(ic), std::less<int>()).check([&](OutIter ce)
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{
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CHECK((base(ce) - ic) == sr);
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CHECK(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == false);
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ranges::fill(ic, 0);
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});
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}
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struct S
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{
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int i;
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};
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struct T
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{
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int j;
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};
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struct U
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{
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int k;
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U& operator=(S s) { k = s.i; return *this;}
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U& operator=(T t) { k = t.j; return *this;}
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};
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constexpr bool test_constexpr()
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{
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using namespace ranges;
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int ic[20] = {0};
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int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4};
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int ib[4] = {2, 4, 4, 6};
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int ir[3] = {2, 4, 4};
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constexpr auto sr = size(ir);
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int * res = set_intersection(ia, ib, ic, less{});
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STATIC_CHECK_RETURN((res - ic) == sr);
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STATIC_CHECK_RETURN(lexicographical_compare(ic, res, ir, ir + sr, less{}) == 0);
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return true;
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}
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int main()
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{
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#ifdef SET_INTERSECTION_1
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test<InputIterator<const int*>, InputIterator<const int*>, OutputIterator<int*> >();
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test<InputIterator<const int*>, InputIterator<const int*>, ForwardIterator<int*> >();
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test<InputIterator<const int*>, InputIterator<const int*>, BidirectionalIterator<int*> >();
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test<InputIterator<const int*>, InputIterator<const int*>, RandomAccessIterator<int*> >();
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test<InputIterator<const int*>, InputIterator<const int*>, int*>();
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test<InputIterator<const int*>, ForwardIterator<const int*>, OutputIterator<int*> >();
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test<InputIterator<const int*>, ForwardIterator<const int*>, ForwardIterator<int*> >();
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test<InputIterator<const int*>, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
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test<InputIterator<const int*>, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
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test<InputIterator<const int*>, ForwardIterator<const int*>, int*>();
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test<InputIterator<const int*>, BidirectionalIterator<const int*>, OutputIterator<int*> >();
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test<InputIterator<const int*>, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
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test<InputIterator<const int*>, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
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test<InputIterator<const int*>, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
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test<InputIterator<const int*>, BidirectionalIterator<const int*>, int*>();
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test<InputIterator<const int*>, RandomAccessIterator<const int*>, OutputIterator<int*> >();
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test<InputIterator<const int*>, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
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test<InputIterator<const int*>, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
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test<InputIterator<const int*>, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
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test<InputIterator<const int*>, RandomAccessIterator<const int*>, int*>();
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test<InputIterator<const int*>, const int*, OutputIterator<int*> >();
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test<InputIterator<const int*>, const int*, ForwardIterator<int*> >();
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test<InputIterator<const int*>, const int*, BidirectionalIterator<int*> >();
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test<InputIterator<const int*>, const int*, RandomAccessIterator<int*> >();
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test<InputIterator<const int*>, const int*, int*>();
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#endif
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#ifdef SET_INTERSECTION_2
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test<ForwardIterator<const int*>, InputIterator<const int*>, OutputIterator<int*> >();
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test<ForwardIterator<const int*>, InputIterator<const int*>, ForwardIterator<int*> >();
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test<ForwardIterator<const int*>, InputIterator<const int*>, BidirectionalIterator<int*> >();
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test<ForwardIterator<const int*>, InputIterator<const int*>, RandomAccessIterator<int*> >();
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test<ForwardIterator<const int*>, InputIterator<const int*>, int*>();
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test<ForwardIterator<const int*>, ForwardIterator<const int*>, OutputIterator<int*> >();
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test<ForwardIterator<const int*>, ForwardIterator<const int*>, ForwardIterator<int*> >();
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test<ForwardIterator<const int*>, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
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test<ForwardIterator<const int*>, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
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test<ForwardIterator<const int*>, ForwardIterator<const int*>, int*>();
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test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, OutputIterator<int*> >();
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test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
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test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
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test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
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test<ForwardIterator<const int*>, BidirectionalIterator<const int*>, int*>();
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test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, OutputIterator<int*> >();
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test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
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test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
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test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
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test<ForwardIterator<const int*>, RandomAccessIterator<const int*>, int*>();
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test<ForwardIterator<const int*>, const int*, OutputIterator<int*> >();
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test<ForwardIterator<const int*>, const int*, ForwardIterator<int*> >();
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test<ForwardIterator<const int*>, const int*, BidirectionalIterator<int*> >();
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test<ForwardIterator<const int*>, const int*, RandomAccessIterator<int*> >();
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test<ForwardIterator<const int*>, const int*, int*>();
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#endif
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#ifdef SET_INTERSECTION_3
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test<BidirectionalIterator<const int*>, InputIterator<const int*>, OutputIterator<int*> >();
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test<BidirectionalIterator<const int*>, InputIterator<const int*>, ForwardIterator<int*> >();
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test<BidirectionalIterator<const int*>, InputIterator<const int*>, BidirectionalIterator<int*> >();
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test<BidirectionalIterator<const int*>, InputIterator<const int*>, RandomAccessIterator<int*> >();
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test<BidirectionalIterator<const int*>, InputIterator<const int*>, int*>();
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test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, OutputIterator<int*> >();
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test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, ForwardIterator<int*> >();
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test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
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test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
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test<BidirectionalIterator<const int*>, ForwardIterator<const int*>, int*>();
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test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, OutputIterator<int*> >();
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test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
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test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
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test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
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test<BidirectionalIterator<const int*>, BidirectionalIterator<const int*>, int*>();
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test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, OutputIterator<int*> >();
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test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
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test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
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test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
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test<BidirectionalIterator<const int*>, RandomAccessIterator<const int*>, int*>();
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test<BidirectionalIterator<const int*>, const int*, OutputIterator<int*> >();
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test<BidirectionalIterator<const int*>, const int*, ForwardIterator<int*> >();
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test<BidirectionalIterator<const int*>, const int*, BidirectionalIterator<int*> >();
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test<BidirectionalIterator<const int*>, const int*, RandomAccessIterator<int*> >();
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test<BidirectionalIterator<const int*>, const int*, int*>();
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#endif
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#ifdef SET_INTERSECTION_4
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test<RandomAccessIterator<const int*>, InputIterator<const int*>, OutputIterator<int*> >();
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test<RandomAccessIterator<const int*>, InputIterator<const int*>, ForwardIterator<int*> >();
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test<RandomAccessIterator<const int*>, InputIterator<const int*>, BidirectionalIterator<int*> >();
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test<RandomAccessIterator<const int*>, InputIterator<const int*>, RandomAccessIterator<int*> >();
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test<RandomAccessIterator<const int*>, InputIterator<const int*>, int*>();
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test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, OutputIterator<int*> >();
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test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, ForwardIterator<int*> >();
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test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
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test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
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test<RandomAccessIterator<const int*>, ForwardIterator<const int*>, int*>();
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test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, OutputIterator<int*> >();
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test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
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test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
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test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
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test<RandomAccessIterator<const int*>, BidirectionalIterator<const int*>, int*>();
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test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, OutputIterator<int*> >();
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test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
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test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
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test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
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test<RandomAccessIterator<const int*>, RandomAccessIterator<const int*>, int*>();
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test<RandomAccessIterator<const int*>, const int*, OutputIterator<int*> >();
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test<RandomAccessIterator<const int*>, const int*, ForwardIterator<int*> >();
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test<RandomAccessIterator<const int*>, const int*, BidirectionalIterator<int*> >();
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test<RandomAccessIterator<const int*>, const int*, RandomAccessIterator<int*> >();
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test<RandomAccessIterator<const int*>, const int*, int*>();
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#endif
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#ifdef SET_INTERSECTION_5
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test<const int*, InputIterator<const int*>, OutputIterator<int*> >();
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test<const int*, InputIterator<const int*>, BidirectionalIterator<int*> >();
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test<const int*, InputIterator<const int*>, BidirectionalIterator<int*> >();
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test<const int*, InputIterator<const int*>, RandomAccessIterator<int*> >();
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test<const int*, InputIterator<const int*>, int*>();
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test<const int*, ForwardIterator<const int*>, OutputIterator<int*> >();
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test<const int*, ForwardIterator<const int*>, ForwardIterator<int*> >();
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test<const int*, ForwardIterator<const int*>, BidirectionalIterator<int*> >();
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test<const int*, ForwardIterator<const int*>, RandomAccessIterator<int*> >();
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test<const int*, ForwardIterator<const int*>, int*>();
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test<const int*, BidirectionalIterator<const int*>, OutputIterator<int*> >();
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test<const int*, BidirectionalIterator<const int*>, ForwardIterator<int*> >();
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test<const int*, BidirectionalIterator<const int*>, BidirectionalIterator<int*> >();
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test<const int*, BidirectionalIterator<const int*>, RandomAccessIterator<int*> >();
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test<const int*, BidirectionalIterator<const int*>, int*>();
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test<const int*, RandomAccessIterator<const int*>, OutputIterator<int*> >();
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test<const int*, RandomAccessIterator<const int*>, ForwardIterator<int*> >();
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test<const int*, RandomAccessIterator<const int*>, BidirectionalIterator<int*> >();
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test<const int*, RandomAccessIterator<const int*>, RandomAccessIterator<int*> >();
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test<const int*, RandomAccessIterator<const int*>, int*>();
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test<const int*, const int*, OutputIterator<int*> >();
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test<const int*, const int*, ForwardIterator<int*> >();
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test<const int*, const int*, BidirectionalIterator<int*> >();
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test<const int*, const int*, RandomAccessIterator<int*> >();
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test<const int*, const int*, int*>();
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#endif
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#ifdef SET_INTERSECTION_6
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// Test projections
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{
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S ia[] = {S{1}, S{2}, S{2}, S{3}, S{3}, S{3}, S{4}, S{4}, S{4}, S{4}};
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T ib[] = {T{2}, T{4}, T{4}, T{6}};
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U ic[20];
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int ir[] = {2, 4, 4};
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static const int sr = sizeof(ir)/sizeof(ir[0]);
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U * res = ranges::set_intersection(ranges::views::all(ia), ranges::views::all(ib), ic, std::less<int>(), &S::i, &T::j);
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CHECK((res - ic) == sr);
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CHECK(ranges::lexicographical_compare(ic, res, ir, ir+sr, std::less<int>(), &U::k) == false);
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}
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{
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STATIC_CHECK(test_constexpr());
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}
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#endif
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return ::test_result();
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}
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