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 // class glice;
13
14 // gslice(size_t start, const valarray<size_t>& size,
15 // const valarray<size_t>& stride);
16
17 #include <valarray>
18 #include <cassert>
19
main()20 int main()
21 {
22 std::size_t a1[] = {1, 2, 3};
23 std::size_t a2[] = {4, 5, 6};
24 std::valarray<std::size_t> size(a1, sizeof(a1)/sizeof(a1[0]));
25 std::valarray<std::size_t> stride(a2, sizeof(a2)/sizeof(a2[0]));
26 std::gslice gs(7, size, stride);
27 assert(gs.start() == 7);
28 std::valarray<std::size_t> r = gs.size();
29 assert(r.size() == 3);
30 assert(r[0] == 1);
31 assert(r[1] == 2);
32 assert(r[2] == 3);
33 r = gs.stride();
34 assert(r.size() == 3);
35 assert(r[0] == 4);
36 assert(r[1] == 5);
37 assert(r[2] == 6);
38 }
39