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1 | // 2004-01-03 Jerry Quinn <jlquinn@optonline.net> |
2 | ||
3 | // Copyright (C) 2004 Free Software Foundation, Inc. | |
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 | |
8 | // Free Software Foundation; either version 2, or (at your option) | |
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 | |
17 | // with this library; see the file COPYING. If not, write to the Free | |
18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
19 | // USA. | |
20 | ||
21 | // As a special exception, you may use this file as part of a free software | |
22 | // library without restriction. Specifically, if other files instantiate | |
23 | // templates or use macros or inline functions from this file, or you compile | |
24 | // this file and link it with other files to produce an executable, this | |
25 | // file does not by itself cause the resulting executable to be covered by | |
26 | // the GNU General Public License. This exception does not however | |
27 | // invalidate any other reasons why the executable file might be covered by | |
28 | // the GNU General Public License. | |
29 | ||
30 | // PR 3247 | |
31 | ||
32 | // This is DR-253. Test for accessible assignment-operators. | |
33 | #include <valarray> | |
34 | #include <testsuite_hooks.h> | |
35 | ||
36 | bool check_array(std::valarray<double>& a, double[] b) | |
37 | { | |
38 | for (int i=0; i < a.size(); i++) | |
39 | if (a[i] != b[i]) return false; | |
40 | return true; | |
41 | } | |
42 | ||
43 | int main() | |
44 | { | |
45 | double dvar = 1.0; | |
46 | std::valarray<double> val_d(10); // 0 1 2 3 4 5 6 7 8 9 | |
47 | std::valarray<double> val_d1(10); // 10 9 8 7 6 5 4 3 2 1 | |
48 | ||
49 | for (int i=0; i< 10; i++) { val_d[i] = 10; val_d1[i] = i; } | |
50 | std::valarray<double> val_c(val_d); | |
51 | std::valarray<double> val_f(val_d); | |
52 | std::valarray<double> val_g(val_d); | |
53 | ||
54 | std::slice slc(1, 3, 3); // 1 4 7 | |
55 | val_d[slc] = val_d1[slc]; | |
56 | ||
57 | double ans1[10] = {10, 1, 10, 10, 4, 10, 10, 7, 10, 10}; | |
58 | VERIFY(check_array(val_d, ans1)); | |
59 | ||
60 | std::valarray<std::size_t> val_size(2); | |
61 | std::valarray<std::size_t> val_stride(2); | |
62 | val_size[0] = 2; val_size[1] = 3; | |
63 | val_stride[0] = 4; val_stride[1] = 1; | |
64 | ||
65 | std::gslice gslc(1, val_size, val_stride); | |
66 | val_c[gslc] = val_d1[gslc]; | |
67 | ||
68 | double ans2[10] = {10, 1, 2, 3 10, 5, 6, 7, 10, 10}; | |
69 | VERIFY(check_array(val_c, ans2)); | |
70 | ||
71 | std::valarray<bool> val_b(false, 10); | |
72 | val_b[2] = val_b[6] = val_b[9] = true; | |
73 | val_f[val_b] = val_d1[val_b]; | |
74 | ||
75 | double ans3[10] = {10, 10, 2, 10, 10, 10, 6, 10, 10, 9}; | |
76 | VERIFY(check_array(val_f, ans3)); | |
77 | ||
78 | size_t addr[] = {1, 2, 3, 4, 5}; | |
79 | size_t addr1[] = {2, 7, 1, 9, 4}; | |
80 | std::valarray<std::size_t> val_indirect(addr, 5); | |
81 | std::valarray<std::size_t> val_indirect1(addr1, 5); | |
82 | val_g[val_indirect] = val_d1[val_indirect1]; | |
83 | ||
84 | double ans4[10] = {10, 2, 7, 1, 9, 4, 10, 10, 10, 10}; | |
85 | VERIFY(check_array(val_g, ans4)); | |
86 | ||
87 | return 0; | |
88 | }; |