67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
// Copyright 2002 The Trustees of Indiana University.
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Boost.MultiArray Library
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// Authors: Ronald Garcia
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// Jeremy Siek
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// Andrew Lumsdaine
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// See http://www.boost.org/libs/multi_array for documentation.
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//
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// fail_cview3.cpp
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// ensure const_array_ref doesn't allow assignment.
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//
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#include <boost/multi_array.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/array.hpp>
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#include <boost/type.hpp>
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int
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main()
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{
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const int ndims=3;
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typedef boost::multi_array<int,ndims> array;
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boost::array<array::size_type,ndims> sma_dims = {{2,3,4}};
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int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,
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14,15,16,17,18,19,20,21,22,23};
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const int data_size = 24;
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array sma(sma_dims);
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sma.assign(data,data+data_size);
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//
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// subarray dims:
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// [base,stride,bound)
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// [0,1,2), [1,1,3), [0,2,4)
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//
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const array& csma = sma;
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typedef array::index_range range;
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array::index_gen indices;
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array::const_array_view<ndims>::type csma2 =
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csma[indices[range(0,2)][range(1,3)][range(0,4,2)]];
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for (array::index i = 0; i != 2; ++i)
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for (array::index j = 0; j != 2; ++j)
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for (array::index k = 0; k != 2; ++k)
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// FAIL! csma2 cannot be assigned to.
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csma2[i][j][k] = 0;
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return boost::report_errors();
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}
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