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 mask_array
12
13 // void operator=(const valarray<value_type>& v) const;
14
15 #include <valarray>
16 #include <cassert>
17
18 #include "test_macros.h"
19
main(int,char **)20 int main(int, char**)
21 {
22 int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
23 const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
24 int a2[] = {1, 2, 3, 4, 5};
25 const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
26 bool b[N1] = {true, false, false, true, true, false,
27 false, true, false, false, false, true};
28 std::valarray<int> v1(a1, N1);
29 std::valarray<int> v2(a2, N2);
30 assert(N2 == std::count(b, b+N1, true));
31 std::valarray<bool> vb(b, N1);
32 v1[vb] = v2;
33 assert(v1.size() == 16);
34 assert(v1[ 0] == 1);
35 assert(v1[ 1] == 1);
36 assert(v1[ 2] == 2);
37 assert(v1[ 3] == 2);
38 assert(v1[ 4] == 3);
39 assert(v1[ 5] == 5);
40 assert(v1[ 6] == 6);
41 assert(v1[ 7] == 4);
42 assert(v1[ 8] == 8);
43 assert(v1[ 9] == 9);
44 assert(v1[10] == 10);
45 assert(v1[11] == 5);
46 assert(v1[12] == 12);
47 assert(v1[13] == 13);
48 assert(v1[14] == 14);
49 assert(v1[15] == 15);
50
51 return 0;
52 }
53