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