1 | //===----------------------------------------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | // <valarray> |
10 | |
11 | // template<class T> class valarray; |
12 | |
13 | // value_type& operator[](size_t i); |
14 | |
15 | #include <valarray> |
16 | #include <cassert> |
17 | |
18 | #include "test_macros.h" |
19 | |
20 | int main(int, char**) |
21 | { |
22 | { |
23 | typedef int T; |
24 | T a[] = {5, 4, 3, 2, 1}; |
25 | const unsigned N = sizeof(a)/sizeof(a[0]); |
26 | std::valarray<T> v(a, N); |
27 | for (unsigned i = 0; i < N; ++i) |
28 | { |
29 | assert(v[i] == a[i]); |
30 | v[i] = i; |
31 | assert(v[i] == static_cast<int>(i)); |
32 | } |
33 | } |
34 | |
35 | return 0; |
36 | } |
37 | |