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;
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 typedef double T;
57 T a[] = {1, 2.5, 3, 4.25, 5};
58 const unsigned N = sizeof(a)/sizeof(a[0]);
59 std::valarray<T> v(a, N);
60 std::valarray<T> v2 = +(v + v);
61 assert(v2.size() == v.size());
62 for (int i = 0; i < v2.size(); ++i)
63 assert(v2[i] == +2*v[i]);
64 }
65 }
66