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 // valarray& operator&=(const valarray& v);
14 
15 #include <valarray>
16 #include <cassert>
17 #include <cstddef>
18 
19 #include "test_macros.h"
20 
21 int main(int, char**)
22 {
23     {
24         typedef int T;
25         T a1[] = {1,  2,  3,  4,  5};
26         T a2[] = {6,  7,  8,  9, 10};
27         T a3[] = {0,  2,  0,  0,  0};
28         const unsigned N = sizeof(a1)/sizeof(a1[0]);
29         std::valarray<T> v1(a1, N);
30         std::valarray<T> v2(a2, N);
31         std::valarray<T> v3(a3, N);
32         v1 &= v2;
33         assert(v1.size() == v2.size());
34         assert(v1.size() == v3.size());
35         for (std::size_t i = 0; i < v1.size(); ++i)
36             assert(v1[i] == v3[i]);
37     }
38 
39   return 0;
40 }
41