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(const value_type* p, size_t n); |
14 | |
15 | #include <valarray> |
16 | #include <cassert> |
17 | #include <cstddef> |
18 | |
19 | #include "test_macros.h" |
20 | |
21 | int main(int, char**) |
22 | { |
23 | { |
24 | typedef int T; |
25 | T a[] = {1, 2, 3, 4, 5}; |
26 | const unsigned N = sizeof(a)/sizeof(a[0]); |
27 | std::valarray<T> v(a, N); |
28 | assert(v.size() == N); |
29 | for (unsigned i = 0; i < N; ++i) |
30 | assert(v[i] == a[i]); |
31 | } |
32 | { |
33 | typedef double T; |
34 | T a[] = {1, 2.5, 3, 4.25, 5}; |
35 | const unsigned N = sizeof(a)/sizeof(a[0]); |
36 | std::valarray<T> v(a, N); |
37 | assert(v.size() == N); |
38 | for (unsigned i = 0; i < N; ++i) |
39 | assert(v[i] == a[i]); |
40 | } |
41 | { |
42 | typedef std::valarray<double> T; |
43 | T a[] = {T(1), T(2), T(3), T(4), T(5)}; |
44 | const unsigned N = sizeof(a)/sizeof(a[0]); |
45 | std::valarray<T> v(a, N); |
46 | assert(v.size() == N); |
47 | for (unsigned i = 0; i < N; ++i) |
48 | { |
49 | assert(v[i].size() == a[i].size()); |
50 | for (std::size_t j = 0; j < v[i].size(); ++j) |
51 | assert(v[i][j] == a[i][j]); |
52 | } |
53 | } |
54 | |
55 | return 0; |
56 | } |
57 | |