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
main(int,char **)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