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<bool> operator!() const;
14 
15 #include <valarray>
16 #include <cassert>
17 #include <cstddef>
18 
19 int main(int, char**)
20 {
21     {
22         typedef int T;
23         T a[] = {1, 2, 3, 4, 5};
24         const unsigned N = sizeof(a)/sizeof(a[0]);
25         std::valarray<T> v(a, N);
26         std::valarray<bool> v2 = !v;
27         assert(v2.size() == v.size());
28         for (std::size_t i = 0; i < v2.size(); ++i)
29             assert(v2[i] == !v[i]);
30     }
31     {
32         typedef double T;
33         T a[] = {1, 2.5, 3, 4.25, 5};
34         const unsigned N = sizeof(a)/sizeof(a[0]);
35         std::valarray<T> v(a, N);
36         std::valarray<bool> v2 = !(v + v);
37         assert(v2.size() == v.size());
38         for (std::size_t i = 0; i < v2.size(); ++i)
39             assert(v2[i] == !(2 * v[i]));
40     }
41 
42   return 0;
43 }
44