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
19int 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