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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_cview3.cpp - | |
15 | // ensure const_array_view doesn't allow assignment. | |
16 | // | |
17 | ||
92f5a8d4 | 18 | #include <boost/multi_array.hpp> |
7c673cae | 19 | |
92f5a8d4 | 20 | #include <boost/core/lightweight_test.hpp> |
7c673cae | 21 | |
92f5a8d4 TL |
22 | #include <boost/array.hpp> |
23 | #include <boost/type.hpp> | |
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24 | |
25 | int | |
92f5a8d4 | 26 | main() |
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27 | { |
28 | const int ndims=3; | |
29 | typedef boost::multi_array_ref<int,ndims> array_ref; | |
30 | ||
31 | boost::array<array_ref::size_type,ndims> sma_dims = {{2,3,4}}; | |
32 | ||
33 | int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13, | |
34 | 14,15,16,17,18,19,20,21,22,23}; | |
35 | ||
36 | array_ref sma(data,sma_dims); | |
37 | ||
38 | // | |
39 | // subarray dims: | |
40 | // [base,stride,bound) | |
41 | // [0,1,2), [1,1,3), [0,2,4) | |
42 | // | |
43 | ||
44 | const array_ref& csma = sma; | |
45 | ||
46 | typedef array_ref::index_range range; | |
47 | array_ref::index_gen indices; | |
48 | array_ref::const_array_view<ndims>::type csma2 = | |
49 | csma[indices[range(0,2)][range(1,3)][range(0,4,2)]]; | |
50 | ||
51 | for (array_ref::index i = 0; i != 2; ++i) | |
52 | for (array_ref::index j = 0; j != 2; ++j) | |
53 | for (array_ref::index k = 0; k != 2; ++k) | |
54 | csma2[i][j][k] = 0; // FAIL! csma2 is read only. | |
55 | ||
92f5a8d4 | 56 | return boost::report_errors(); |
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57 | } |
58 | ||
59 | ||
60 | ||
61 | ||
62 | ||
63 | ||
64 |