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 indirect_array
12 
13 // void operator=(const value_type& x) 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,
23                 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24                 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
25                 36, 37, 38, 39, 40};
26     const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
27     std::size_t s[] = { 3,  4,  5,  7,  8,  9, 11, 12, 13, 15, 16, 17,
28                        22, 23, 24, 26, 27, 28, 30, 31, 32, 34, 35, 36};
29     const std::size_t S = sizeof(s)/sizeof(s[0]);
30     std::valarray<int> v1(a1, N1);
31     std::valarray<std::size_t> ia(s, S);
32     v1[ia] = 51;
33     assert(v1.size() == 41);
34     assert(v1[ 0] ==  0);
35     assert(v1[ 1] ==  1);
36     assert(v1[ 2] ==  2);
37     assert(v1[ 3] == 51);
38     assert(v1[ 4] == 51);
39     assert(v1[ 5] == 51);
40     assert(v1[ 6] ==  6);
41     assert(v1[ 7] == 51);
42     assert(v1[ 8] == 51);
43     assert(v1[ 9] == 51);
44     assert(v1[10] == 10);
45     assert(v1[11] == 51);
46     assert(v1[12] == 51);
47     assert(v1[13] == 51);
48     assert(v1[14] == 14);
49     assert(v1[15] == 51);
50     assert(v1[16] == 51);
51     assert(v1[17] == 51);
52     assert(v1[18] == 18);
53     assert(v1[19] == 19);
54     assert(v1[20] == 20);
55     assert(v1[21] == 21);
56     assert(v1[22] == 51);
57     assert(v1[23] == 51);
58     assert(v1[24] == 51);
59     assert(v1[25] == 25);
60     assert(v1[26] == 51);
61     assert(v1[27] == 51);
62     assert(v1[28] == 51);
63     assert(v1[29] == 29);
64     assert(v1[30] == 51);
65     assert(v1[31] == 51);
66     assert(v1[32] == 51);
67     assert(v1[33] == 33);
68     assert(v1[34] == 51);
69     assert(v1[35] == 51);
70     assert(v1[36] == 51);
71     assert(v1[37] == 37);
72     assert(v1[38] == 38);
73     assert(v1[39] == 39);
74     assert(v1[40] == 40);
75 
76   return 0;
77 }
78