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- // Copyright 2002 The Trustees of Indiana University.
- // Use, modification and distribution is subject to the Boost Software
- // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- // Boost.MultiArray Library
- // Authors: Ronald Garcia
- // Jeremy Siek
- // Andrew Lumsdaine
- // See http://www.boost.org/libs/multi_array for documentation.
- //
- // fail_ref_cview.cpp
- // ensure const_array_view doesn't allow element assignment.
- //
- #include <boost/multi_array.hpp>
- #include <boost/core/lightweight_test.hpp>
- #include <boost/array.hpp>
- #include <boost/type.hpp>
- int
- main()
- {
- const int ndims=3;
- typedef boost::multi_array_ref<int,ndims> array_ref;
- boost::array<array_ref::size_type,ndims> sma_dims = {{2,3,4}};
- int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,
- 14,15,16,17,18,19,20,21,22,23};
- array_ref sma(data,sma_dims);
- //
- // subarray dims:
- // [base,stride,bound)
- // [0,1,2), [1,1,3), [0,2,4)
- //
-
- const array_ref& csma = sma;
- typedef array_ref::index_range range;
- array_ref::index_gen indices;
- array_ref::const_array_view<ndims>::type csma2 =
- csma[indices[range(0,2)][range(1,3)][range(0,4,2)]];
- boost::array<array_ref::index,3> elmt = {{0,0,0}};
- csma2(elmt) = 5; // FAIL! csma is read only
-
- return boost::report_errors();
- }
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