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Diffstat (limited to 'libcxx/test/std/numerics/numeric.ops/partial.sum/partial_sum_op.pass.cpp')
-rw-r--r-- | libcxx/test/std/numerics/numeric.ops/partial.sum/partial_sum_op.pass.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libcxx/test/std/numerics/numeric.ops/partial.sum/partial_sum_op.pass.cpp b/libcxx/test/std/numerics/numeric.ops/partial.sum/partial_sum_op.pass.cpp new file mode 100644 index 00000000000..d8f2a93e41c --- /dev/null +++ b/libcxx/test/std/numerics/numeric.ops/partial.sum/partial_sum_op.pass.cpp @@ -0,0 +1,72 @@ +//===----------------------------------------------------------------------===// +// +// 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, +// Callable<auto, const InIter::value_type&, InIter::reference> BinaryOperation> +// requires HasAssign<InIter::value_type, BinaryOperation::result_type> +// && Constructible<InIter::value_type, InIter::reference> +// && CopyConstructible<BinaryOperation> +// OutIter +// partial_sum(InIter first, InIter last, OutIter result, BinaryOperation binary_op); + +#include <numeric> +#include <functional> +#include <cassert> + +#include "test_iterators.h" + +template <class InIter, class OutIter> +void +test() +{ + int ia[] = {1, 2, 3, 4, 5}; + int ir[] = {1, -1, -4, -8, -13}; + const unsigned s = sizeof(ia) / sizeof(ia[0]); + int ib[s] = {0}; + OutIter r = std::partial_sum(InIter(ia), InIter(ia+s), OutIter(ib), std::minus<int>()); + 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*>(); +} |