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> valarray<T> operator+(const valarray<T>& x, const T& y);
14 
15 #include <valarray>
16 #include <cassert>
17 #include <cstddef>
18 
19 int main()
20 {
21     {
22         typedef int T;
23         T a1[] = {1,  2,  3,  4,  5};
24         T a2[] = {6, 12, 18, 24, 30};
25         const unsigned N = sizeof(a1)/sizeof(a1[0]);
26         std::valarray<T> v1(a1, N);
27         std::valarray<T> v2 = v1 * 6;
28         assert(v1.size() == v2.size());
29         for (std::size_t i = 0; i < v2.size(); ++i)
30             assert(v2[i] == a2[i]);
31     }
32 }
33