xref: /llvm-project/libcxx/test/std/numerics/numarray/template.valarray/valarray.unary/not.pass.cpp (revision c479e0c99459e4c5596c2a22829d0937224df0bf)
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 #include "test_macros.h"
20 
21 int main(int, char**)
22 {
23     {
24         typedef int T;
25         T a[] = {1, 2, 3, 4, 5};
26         const unsigned N = sizeof(a)/sizeof(a[0]);
27         std::valarray<T> v(a, N);
28         std::valarray<bool> v2 = !v;
29         assert(v2.size() == v.size());
30         for (std::size_t i = 0; i < v2.size(); ++i)
31             assert(v2[i] == !v[i]);
32     }
33     {
34         typedef double T;
35         T a[] = {1, 2.5, 3, 4.25, 5};
36         const unsigned N = sizeof(a)/sizeof(a[0]);
37         std::valarray<T> v(a, N);
38         std::valarray<bool> v2 = !(v + v);
39         assert(v2.size() == v.size());
40         for (std::size_t i = 0; i < v2.size(); ++i)
41             assert(v2[i] == !(v[i] + v[i]));
42     }
43 
44   return 0;
45 }
46