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// class gslice;
12
13// gslice(size_t start, const valarray<size_t>& size,
14// const valarray<size_t>& stride);
15
16#include <valarray>
17#include <cassert>
18
19#include "test_macros.h"
20
21int main(int, char**)
22{
23 std::size_t a1[] = {1, 2, 3};
24 std::size_t a2[] = {4, 5, 6};
25 std::valarray<std::size_t> size(a1, sizeof(a1)/sizeof(a1[0]));
26 std::valarray<std::size_t> stride(a2, sizeof(a2)/sizeof(a2[0]));
27 std::gslice gs(7, size, stride);
28 assert(gs.start() == 7);
29 std::valarray<std::size_t> r = gs.size();
30 assert(r.size() == 3);
31 assert(r[0] == 1);
32 assert(r[1] == 2);
33 assert(r[2] == 3);
34 r = gs.stride();
35 assert(r.size() == 3);
36 assert(r[0] == 4);
37 assert(r[1] == 5);
38 assert(r[2] == 6);
39
40 return 0;
41}
42

source code of libcxx/test/std/numerics/numarray/class.gslice/gslice.cons/start_size_stride.pass.cpp