1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <valarray>
10 
11 // template<class T> class valarray;
12 
13 // valarray& operator=(const slice_array<value_type>& sa);
14 
15 #include <valarray>
16 #include <cassert>
17 
18 int main(int, char**)
19 {
20     int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
21     std::valarray<int> v1(a, sizeof(a)/sizeof(a[0]));
22     std::valarray<int> v(5);
23     v = v1[std::slice(1, 5, 3)];
24     assert(v.size() == 5);
25     assert(v[0] == 1);
26     assert(v[1] == 4);
27     assert(v[2] == 7);
28     assert(v[3] == 10);
29     assert(v[4] == 13);
30 
31   return 0;
32 }
33