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 // template<class T> valarray<T> operator&(const valarray<T>& x, const valarray<T>& y);
14 
15 #include <valarray>
16 #include <cassert>
17 #include <cstddef>
18 
19 int main(int, char**)
20 {
21     {
22         typedef int T;
23         T a1[] = {1,  2,  3,  4,  5};
24         T a2[] = {6,  7,  8,  9, 10};
25         T a3[] = {0,  2,  0,  0,  0};
26         const unsigned N = sizeof(a1)/sizeof(a1[0]);
27         std::valarray<T> v1(a1, N);
28         std::valarray<T> v2(a2, N);
29         std::valarray<T> v3 = v1 & v2;
30         assert(v1.size() == v2.size());
31         assert(v1.size() == v3.size());
32         for (std::size_t i = 0; i < v1.size(); ++i)
33             assert(v3[i] == a3[i]);
34     }
35 
36   return 0;
37 }
38