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_csubarray2.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
main()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 = {{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::subarray<ndims-1>::type sba = sma_const[0]; // FAIL!
46 // preserve constness
47
48 return boost::report_errors();
49 }
50