| //===----------------------------------------------------------------------===// |
| // |
| // 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 HasMinus<InIter::value_type, InIter::value_type> |
| // && Constructible<InIter::value_type, InIter::reference> |
| // && OutputIterator<OutIter, |
| // HasMinus<InIter::value_type, InIter::value_type>::result_type> |
| // && MoveAssignable<InIter::value_type> |
| // OutIter |
| // adjacent_difference(InIter first, InIter last, OutIter result); |
| |
| #include <numeric> |
| #include <cassert> |
| |
| #include "../iterators.h" |
| |
| template <class InIter, class OutIter> |
| void |
| test() |
| { |
| int ia[] = {15, 10, 6, 3, 1}; |
| int ir[] = {15, -5, -4, -3, -2}; |
| const unsigned s = sizeof(ia) / sizeof(ia[0]); |
| int ib[s] = {0}; |
| OutIter r = std::adjacent_difference(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*>(); |
| } |