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 a[] = {1, 2, 3, 4, 5};
24         const unsigned N = sizeof(a)/sizeof(a[0]);
25         std::valarray<T> v(a, N);
26         std::valarray<T> v2;
27         v2 = v;
28         assert(v2.size() == v.size());
29         for (int i = 0; i < v2.size(); ++i)
30             assert(v2[i] == v[i]);
31     }
32     {
33         typedef double T;
34         T a[] = {1, 2.5, 3, 4.25, 5};
35         const unsigned N = sizeof(a)/sizeof(a[0]);
36         std::valarray<T> v(a, N);
37         std::valarray<T> v2;
38         v2 = v;
39         assert(v2.size() == v.size());
40         for (int i = 0; i < v2.size(); ++i)
41             assert(v2[i] == v[i]);
42     }
43     {
44         typedef std::valarray<double> T;
45         T a[] = {T(1), T(2), T(3), T(4), T(5)};
46         const unsigned N = sizeof(a)/sizeof(a[0]);
47         std::valarray<T> v(a, N);
48         std::valarray<T> v2(a, N-2);
49         v2 = v;
50         assert(v2.size() == v.size());
51         for (int i = 0; i < N; ++i)
52         {
53             assert(v2[i].size() == v[i].size());
54             for (int j = 0; j < v[i].size(); ++j)
55                 assert(v2[i][j] == v[i][j]);
56         }
57     }
58 }
59