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
main(int,char **)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 // Make sure we don't have dangling reference problems with unary expressions
45 bool array[] = {true, false, true};
46 std::valarray<bool> a(array, 3);
47 std::valarray<bool> b(array, 3);
48 auto c = !a && b;
49 assert(c.size() == 3);
50 assert(c[0] == false && c[1] == false && c[2] == false);
51 }
52
53 return 0;
54 }
55