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