51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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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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// <algorithm>
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// template <class InputIterator, class OutputIterator1,
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// class OutputIterator2, class Predicate>
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// pair<OutputIterator1, OutputIterator2>
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// partition_copy(InputIterator first, InputIterator last,
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// OutputIterator1 out_true, OutputIterator2 out_false,
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// Predicate pred);
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#include <algorithm>
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#include <cassert>
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#include "test_iterators.h"
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struct is_odd
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{
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bool operator()(const int& i) const {return i & 1;}
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};
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int main()
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{
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{
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const int ia[] = {1, 2, 3, 4, 6, 8, 5, 7};
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int r1[10] = {0};
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int r2[10] = {0};
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typedef std::pair<output_iterator<int*>, int*> P;
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P p = std::partition_copy(input_iterator<const int*>(std::begin(ia)),
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input_iterator<const int*>(std::end(ia)),
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output_iterator<int*>(r1), r2, is_odd());
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assert(p.first.base() == r1 + 4);
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assert(r1[0] == 1);
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assert(r1[1] == 3);
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assert(r1[2] == 5);
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assert(r1[3] == 7);
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assert(p.second == r2 + 4);
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assert(r2[0] == 2);
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assert(r2[1] == 4);
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assert(r2[2] == 6);
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assert(r2[3] == 8);
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}
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}
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