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 mask_array
13 
14 // void mask_array& operator=(const mask_array& ma) 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, 12, 13, 14, 15};
22     const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
23     bool b1[N1] = {true,  false, false, true,  true,  false,
24                    false, true,  false, false, false, true};
25     int a2[] = {-1, -2, -3, -4, -5, -6, -7, -8};
26     const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
27     bool b2[N2] = {true,  false, true, true,
28                    false, false, true, true};
29     std::valarray<int> v1(a1, N1);
30     const std::valarray<int> v2(a2, N2);
31     std::valarray<bool> vb1(b1, N1);
32     std::valarray<bool> vb2(b2, N2);
33     v1[vb1] = v2[vb2];
34     assert(v1.size() == 16);
35     assert(v1[ 0] == -1);
36     assert(v1[ 1] ==  1);
37     assert(v1[ 2] ==  2);
38     assert(v1[ 3] == -3);
39     assert(v1[ 4] == -4);
40     assert(v1[ 5] ==  5);
41     assert(v1[ 6] ==  6);
42     assert(v1[ 7] == -7);
43     assert(v1[ 8] ==  8);
44     assert(v1[ 9] ==  9);
45     assert(v1[10] == 10);
46     assert(v1[11] == -8);
47     assert(v1[12] == 12);
48     assert(v1[13] == 13);
49     assert(v1[14] == 14);
50     assert(v1[15] == 15);
51 }
52