cxx/test/numerics/numeric.ops/partial.sum/partial_sum.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

71 lines
2.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <numeric>
// template <InputIterator InIter, OutputIterator<auto, const InIter::value_type&> OutIter>
// requires HasPlus<InIter::value_type, InIter::reference>
// && HasAssign<InIter::value_type,
// HasPlus<InIter::value_type, InIter::reference>::result_type>
// && Constructible<InIter::value_type, InIter::reference>
// OutIter
// partial_sum(InIter first, InIter last, OutIter result);
#include <numeric>
#include <cassert>
#include "../iterators.h"
template <class InIter, class OutIter>
void
test()
{
int ia[] = {1, 2, 3, 4, 5};
int ir[] = {1, 3, 6, 10, 15};
const unsigned s = sizeof(ia) / sizeof(ia[0]);
int ib[s] = {0};
OutIter r = std::partial_sum(InIter(ia), InIter(ia+s), OutIter(ib));
assert(base(r) == ib + s);
for (unsigned i = 0; i < s; ++i)
assert(ib[i] == ir[i]);
}
int main()
{
test<input_iterator<const int*>, output_iterator<int*> >();
test<input_iterator<const int*>, forward_iterator<int*> >();
test<input_iterator<const int*>, bidirectional_iterator<int*> >();
test<input_iterator<const int*>, random_access_iterator<int*> >();
test<input_iterator<const int*>, int*>();
test<forward_iterator<const int*>, output_iterator<int*> >();
test<forward_iterator<const int*>, forward_iterator<int*> >();
test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
test<forward_iterator<const int*>, random_access_iterator<int*> >();
test<forward_iterator<const int*>, int*>();
test<bidirectional_iterator<const int*>, output_iterator<int*> >();
test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
test<bidirectional_iterator<const int*>, int*>();
test<random_access_iterator<const int*>, output_iterator<int*> >();
test<random_access_iterator<const int*>, forward_iterator<int*> >();
test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
test<random_access_iterator<const int*>, random_access_iterator<int*> >();
test<random_access_iterator<const int*>, int*>();
test<const int*, output_iterator<int*> >();
test<const int*, forward_iterator<int*> >();
test<const int*, bidirectional_iterator<int*> >();
test<const int*, random_access_iterator<int*> >();
test<const int*, int*>();
}