diff options
Diffstat (limited to 'test/std/numerics/numeric.ops/reduce/reduce_init.pass.cpp')
| -rw-r--r-- | test/std/numerics/numeric.ops/reduce/reduce_init.pass.cpp | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/test/std/numerics/numeric.ops/reduce/reduce_init.pass.cpp b/test/std/numerics/numeric.ops/reduce/reduce_init.pass.cpp deleted file mode 100644 index 480ead11c7346..0000000000000 --- a/test/std/numerics/numeric.ops/reduce/reduce_init.pass.cpp +++ /dev/null @@ -1,67 +0,0 @@ -//===----------------------------------------------------------------------===// -// -// 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> -// UNSUPPORTED: c++98, c++03, c++11, c++14 - -// template<class InputIterator, class T> -// T reduce(InputIterator first, InputIterator last, T init); - -#include <numeric> -#include <cassert> - -#include "test_iterators.h" - -template <class Iter, class T> -void -test(Iter first, Iter last, T init, T x) -{ - static_assert( std::is_same_v<T, decltype(std::reduce(first, last, init))> ); - assert(std::reduce(first, last, init) == x); -} - -template <class Iter> -void -test() -{ - int ia[] = {1, 2, 3, 4, 5, 6}; - unsigned sa = sizeof(ia) / sizeof(ia[0]); - test(Iter(ia), Iter(ia), 0, 0); - test(Iter(ia), Iter(ia), 1, 1); - test(Iter(ia), Iter(ia+1), 0, 1); - test(Iter(ia), Iter(ia+1), 2, 3); - test(Iter(ia), Iter(ia+2), 0, 3); - test(Iter(ia), Iter(ia+2), 3, 6); - test(Iter(ia), Iter(ia+sa), 0, 21); - test(Iter(ia), Iter(ia+sa), 4, 25); -} - -template <typename T, typename Init> -void test_return_type() -{ - T *p = nullptr; - static_assert( std::is_same_v<Init, decltype(std::reduce(p, p, Init{}))> ); -} - -int main() -{ - test_return_type<char, int>(); - test_return_type<int, int>(); - test_return_type<int, unsigned long>(); - test_return_type<float, int>(); - test_return_type<short, float>(); - test_return_type<double, char>(); - test_return_type<char, double>(); - - test<input_iterator<const int*> >(); - test<forward_iterator<const int*> >(); - test<bidirectional_iterator<const int*> >(); - test<random_access_iterator<const int*> >(); - test<const int*>(); -} |
