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