fail_cview2.cpp 1.4 KB

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  1. // Copyright 2002 The Trustees of Indiana University.
  2. // Use, modification and distribution is subject to the Boost Software
  3. // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  4. // http://www.boost.org/LICENSE_1_0.txt)
  5. // Boost.MultiArray Library
  6. // Authors: Ronald Garcia
  7. // Jeremy Siek
  8. // Andrew Lumsdaine
  9. // See http://www.boost.org/libs/multi_array for documentation.
  10. //
  11. // fail_cview2.cpp
  12. // ensure const_array_view cannot be converted to array_view
  13. //
  14. #include <boost/multi_array.hpp>
  15. #define BOOST_INCLUDE_MAIN
  16. #include <boost/test/test_tools.hpp>
  17. #include <boost/array.hpp>
  18. #include <boost/type.hpp>
  19. #include <boost/cstdlib.hpp>
  20. int
  21. main()
  22. {
  23. const int ndims=3;
  24. typedef boost::multi_array<int,ndims> array;
  25. boost::array<array::size_type,ndims> sma_dims = {{2,3,4}};
  26. int data[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,
  27. 14,15,16,17,18,19,20,21,22,23};
  28. const int data_size = 24;
  29. array sma(sma_dims);
  30. sma.assign(data,data+data_size);
  31. //
  32. // subarray dims:
  33. // [base,stride,bound)
  34. // [0,1,2), [1,1,3), [0,2,4)
  35. //
  36. const array& csma = sma;
  37. typedef array::index_range range;
  38. array::index_gen indices;
  39. // FAIL! preserve constness (no const_array_view -> array_view).
  40. array::array_view<ndims>::type csma2 =
  41. csma[indices[range(0,2)][range(1,3)][range(0,4,2)]];
  42. return boost::report_errors();
  43. }