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 // <valarray>
11
12 // template<class T> class valarray;
13
14 // value_type& operator[](size_t i);
15
16 #include <valarray>
17 #include <cassert>
18
main()19 int main()
20 {
21 {
22 typedef int T;
23 T a[] = {5, 4, 3, 2, 1};
24 const unsigned N = sizeof(a)/sizeof(a[0]);
25 std::valarray<T> v(a, N);
26 for (unsigned i = 0; i < N; ++i)
27 {
28 assert(v[i] == a[i]);
29 v[i] = i;
30 assert(v[i] == static_cast<int>(i));
31 }
32 }
33 }
34