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
19int 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