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[](slice s) const;
15
16 #include <valarray>
17 #include <cassert>
18
main()19 int main()
20 {
21 int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
22 std::valarray<int> v1(a1, sizeof(a1)/sizeof(a1[0]));
23 std::valarray<int> v2 = v1[std::slice(1, 5, 3)];
24 assert(v2.size() == 5);
25 assert(v2[0] == 1);
26 assert(v2[1] == 4);
27 assert(v2[2] == 7);
28 assert(v2[3] == 10);
29 assert(v2[4] == 13);
30 }
31