b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
73 lines
2.9 KiB
C++
73 lines
2.9 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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// <numeric>
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// template<InputIterator InIter,
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// OutputIterator<auto, const InIter::value_type&> OutIter,
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// Callable<auto, const InIter::value_type&, InIter::reference> BinaryOperation>
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// requires HasAssign<InIter::value_type, BinaryOperation::result_type>
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// && Constructible<InIter::value_type, InIter::reference>
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// && CopyConstructible<BinaryOperation>
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// OutIter
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// partial_sum(InIter first, InIter last, OutIter result, BinaryOperation binary_op);
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#include <numeric>
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#include <functional>
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#include <cassert>
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#include "../iterators.h"
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template <class InIter, class OutIter>
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void
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test()
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{
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int ia[] = {1, 2, 3, 4, 5};
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int ir[] = {1, -1, -4, -8, -13};
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const unsigned s = sizeof(ia) / sizeof(ia[0]);
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int ib[s] = {0};
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OutIter r = std::partial_sum(InIter(ia), InIter(ia+s), OutIter(ib), std::minus<int>());
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assert(base(r) == ib + s);
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for (unsigned i = 0; i < s; ++i)
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assert(ib[i] == ir[i]);
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}
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int main()
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{
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test<input_iterator<const int*>, output_iterator<int*> >();
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test<input_iterator<const int*>, forward_iterator<int*> >();
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test<input_iterator<const int*>, bidirectional_iterator<int*> >();
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test<input_iterator<const int*>, random_access_iterator<int*> >();
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test<input_iterator<const int*>, int*>();
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test<forward_iterator<const int*>, output_iterator<int*> >();
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test<forward_iterator<const int*>, forward_iterator<int*> >();
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test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
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test<forward_iterator<const int*>, random_access_iterator<int*> >();
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test<forward_iterator<const int*>, int*>();
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test<bidirectional_iterator<const int*>, output_iterator<int*> >();
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test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
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test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
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test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
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test<bidirectional_iterator<const int*>, int*>();
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test<random_access_iterator<const int*>, output_iterator<int*> >();
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test<random_access_iterator<const int*>, forward_iterator<int*> >();
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test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
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test<random_access_iterator<const int*>, random_access_iterator<int*> >();
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test<random_access_iterator<const int*>, int*>();
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test<const int*, output_iterator<int*> >();
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test<const int*, forward_iterator<int*> >();
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test<const int*, bidirectional_iterator<int*> >();
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test<const int*, random_access_iterator<int*> >();
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test<const int*, int*>();
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}
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