1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <numeric> 11 12 // template <InputIterator InIter, OutputIterator<auto, const InIter::value_type&> OutIter> 13 // requires HasPlus<InIter::value_type, InIter::reference> 14 // && HasAssign<InIter::value_type, 15 // HasPlus<InIter::value_type, InIter::reference>::result_type> 16 // && Constructible<InIter::value_type, InIter::reference> 17 // OutIter 18 // partial_sum(InIter first, InIter last, OutIter result); 19 20 #include <numeric> 21 #include <cassert> 22 23 #include "test_iterators.h" 24 25 template <class InIter, class OutIter> 26 void test()27 test() 28 { 29 int ia[] = {1, 2, 3, 4, 5}; 30 int ir[] = {1, 3, 6, 10, 15}; 31 const unsigned s = sizeof(ia) / sizeof(ia[0]); 32 int ib[s] = {0}; 33 OutIter r = std::partial_sum(InIter(ia), InIter(ia+s), OutIter(ib)); 34 assert(base(r) == ib + s); 35 for (unsigned i = 0; i < s; ++i) 36 assert(ib[i] == ir[i]); 37 } 38 main()39 int main() 40 { 41 test<input_iterator<const int*>, output_iterator<int*> >(); 42 test<input_iterator<const int*>, forward_iterator<int*> >(); 43 test<input_iterator<const int*>, bidirectional_iterator<int*> >(); 44 test<input_iterator<const int*>, random_access_iterator<int*> >(); 45 test<input_iterator<const int*>, int*>(); 46 47 test<forward_iterator<const int*>, output_iterator<int*> >(); 48 test<forward_iterator<const int*>, forward_iterator<int*> >(); 49 test<forward_iterator<const int*>, bidirectional_iterator<int*> >(); 50 test<forward_iterator<const int*>, random_access_iterator<int*> >(); 51 test<forward_iterator<const int*>, int*>(); 52 53 test<bidirectional_iterator<const int*>, output_iterator<int*> >(); 54 test<bidirectional_iterator<const int*>, forward_iterator<int*> >(); 55 test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >(); 56 test<bidirectional_iterator<const int*>, random_access_iterator<int*> >(); 57 test<bidirectional_iterator<const int*>, int*>(); 58 59 test<random_access_iterator<const int*>, output_iterator<int*> >(); 60 test<random_access_iterator<const int*>, forward_iterator<int*> >(); 61 test<random_access_iterator<const int*>, bidirectional_iterator<int*> >(); 62 test<random_access_iterator<const int*>, random_access_iterator<int*> >(); 63 test<random_access_iterator<const int*>, int*>(); 64 65 test<const int*, output_iterator<int*> >(); 66 test<const int*, forward_iterator<int*> >(); 67 test<const int*, bidirectional_iterator<int*> >(); 68 test<const int*, random_access_iterator<int*> >(); 69 test<const int*, int*>(); 70 } 71