1 | // Copyright 2002 The Trustees of Indiana University. |
2 | |
3 | // Use, modification and distribution is subject to the Boost Software |
4 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
5 | // http://www.boost.org/LICENSE_1_0.txt) |
6 | |
7 | // Boost.MultiArray Library |
8 | // Authors: Ronald Garcia |
9 | // Jeremy Siek |
10 | // Andrew Lumsdaine |
11 | // See http://www.boost.org/libs/multi_array for documentation. |
12 | |
13 | // |
14 | // fail_ref_csubarray3.cpp - |
15 | // Testing constness of subarray operations. |
16 | // |
17 | |
18 | #include <boost/multi_array.hpp> |
19 | |
20 | #include <boost/core/lightweight_test.hpp> |
21 | |
22 | #include <boost/array.hpp> |
23 | |
24 | int |
25 | main() |
26 | { |
27 | const int ndims=3; |
28 | typedef boost::multi_array_ref<int,ndims> array_ref; |
29 | |
30 | boost::array<array_ref::size_type,ndims> sma_dims = {.elems: {2,3,4}}; |
31 | |
32 | int data[] = {77,77,77,77,77,77,77,77,77,77,77,77, |
33 | 77,77,77,77,77,77,77,77,77,77,77,77}; |
34 | |
35 | array_ref sma(data,sma_dims); |
36 | |
37 | int num = 0; |
38 | for (array_ref::index i = 0; i != 2; ++i) |
39 | for (array_ref::index j = 0; j != 3; ++j) |
40 | for (array_ref::index k = 0; k != 4; ++k) |
41 | sma[i][j][k] = num++; |
42 | |
43 | const array_ref& sma_const = sma; |
44 | |
45 | array_ref::const_subarray<ndims-1>::type sba = sma_const[0]; |
46 | |
47 | for (array_ref::index j = 0; j != 3; ++j) |
48 | for (array_ref::index k = 0; k != 4; ++k) |
49 | sba[j][k] = num++; // FAIL! can't assign to const_subarray. |
50 | |
51 | return boost::report_errors(); |
52 | } |
53 | |