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 // template<class T>
14 //   valarray<bool>
15 //   operator<(const valarray<T>& x, const T& y);
16 
17 #include <valarray>
18 #include <cassert>
19 #include <cstddef>
20 
21 #include "test_macros.h"
22 
23 int main(int, char**)
24 {
25     {
26         typedef int T;
27         T a1[] = {1,  2,  3,  4,  0};
28         bool a3[] = {true,  false,  false,  false,  true};
29         const unsigned N = 5;
30         std::valarray<T> v1(a1, N);
31         std::valarray<bool> v3 = v1 < 2;
32         std::valarray<bool> v3a = +(v1 < 2);
33         assert(v3.size() == N);
34         assert(v3a.size() == N);
35         for (std::size_t i = 0; i < N; ++i) {
36             assert(v3[i] == a3[i]);
37             assert(v3a[i] == a3[i]);
38         }
39     }
40 
41   return 0;
42 }
43