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& operator+=(const valarray& v);
15 
16 #include <valarray>
17 #include <cassert>
18 
main()19 int main()
20 {
21     {
22         typedef int T;
23         T a1[] = {1,  2,  3,  4,  5};
24         T a2[] = {6,  7,  8,  9, 10};
25         T a3[] = {7,  9, 11, 13, 15};
26         const unsigned N = sizeof(a1)/sizeof(a1[0]);
27         std::valarray<T> v1(a1, N);
28         std::valarray<T> v2(a2, N);
29         std::valarray<T> v3(a3, N);
30         v1 += v2;
31         assert(v1.size() == v2.size());
32         assert(v1.size() == v3.size());
33         for (int i = 0; i < v1.size(); ++i)
34             assert(v1[i] == v3[i]);
35     }
36 }
37