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