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1 | // 2004-01-03 Jerry Quinn <jlquinn@optonline.net> |
2 | ||
aa118a03 | 3 | // Copyright (C) 2004-2014 Free Software Foundation, Inc. |
ecc7568d JQ |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
ecc7568d JQ |
9 | // any later version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License along | |
748086b7 JJ |
17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
19 | ||
ecc7568d JQ |
20 | |
21 | // PR 3247 | |
22 | ||
23 | // This is DR-253. Test for accessible assignment-operators. | |
24 | #include <valarray> | |
25 | #include <testsuite_hooks.h> | |
26 | ||
f69535d2 | 27 | bool check_array(std::valarray<double>& a, double b[]) |
ecc7568d | 28 | { |
8b5bc374 | 29 | for (unsigned int i=0; i < a.size(); i++) |
ecc7568d JQ |
30 | if (a[i] != b[i]) return false; |
31 | return true; | |
32 | } | |
33 | ||
34 | int main() | |
35 | { | |
ecc7568d JQ |
36 | std::valarray<double> val_d(10); // 0 1 2 3 4 5 6 7 8 9 |
37 | std::valarray<double> val_d1(10); // 10 9 8 7 6 5 4 3 2 1 | |
38 | ||
39 | for (int i=0; i< 10; i++) { val_d[i] = 10; val_d1[i] = i; } | |
40 | std::valarray<double> val_c(val_d); | |
41 | std::valarray<double> val_f(val_d); | |
42 | std::valarray<double> val_g(val_d); | |
43 | ||
44 | std::slice slc(1, 3, 3); // 1 4 7 | |
45 | val_d[slc] = val_d1[slc]; | |
46 | ||
47 | double ans1[10] = {10, 1, 10, 10, 4, 10, 10, 7, 10, 10}; | |
48 | VERIFY(check_array(val_d, ans1)); | |
49 | ||
50 | std::valarray<std::size_t> val_size(2); | |
51 | std::valarray<std::size_t> val_stride(2); | |
52 | val_size[0] = 2; val_size[1] = 3; | |
53 | val_stride[0] = 4; val_stride[1] = 1; | |
54 | ||
55 | std::gslice gslc(1, val_size, val_stride); | |
56 | val_c[gslc] = val_d1[gslc]; | |
57 | ||
f69535d2 | 58 | double ans2[10] = {10, 1, 2, 3, 10, 5, 6, 7, 10, 10}; |
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59 | VERIFY(check_array(val_c, ans2)); |
60 | ||
61 | std::valarray<bool> val_b(false, 10); | |
62 | val_b[2] = val_b[6] = val_b[9] = true; | |
63 | val_f[val_b] = val_d1[val_b]; | |
64 | ||
65 | double ans3[10] = {10, 10, 2, 10, 10, 10, 6, 10, 10, 9}; | |
66 | VERIFY(check_array(val_f, ans3)); | |
67 | ||
68 | size_t addr[] = {1, 2, 3, 4, 5}; | |
69 | size_t addr1[] = {2, 7, 1, 9, 4}; | |
70 | std::valarray<std::size_t> val_indirect(addr, 5); | |
71 | std::valarray<std::size_t> val_indirect1(addr1, 5); | |
72 | val_g[val_indirect] = val_d1[val_indirect1]; | |
73 | ||
74 | double ans4[10] = {10, 2, 7, 1, 9, 4, 10, 10, 10, 10}; | |
75 | VERIFY(check_array(val_g, ans4)); | |
76 | ||
77 | return 0; | |
9ae63018 | 78 | } |