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Diffstat (limited to 'src/boost/libs/multi_array/example/subview2.cpp')
-rw-r--r-- | src/boost/libs/multi_array/example/subview2.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/boost/libs/multi_array/example/subview2.cpp b/src/boost/libs/multi_array/example/subview2.cpp new file mode 100644 index 000000000..925d59d11 --- /dev/null +++ b/src/boost/libs/multi_array/example/subview2.cpp @@ -0,0 +1,54 @@ +// 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. + + +#include "boost/multi_array.hpp" +#include "boost/cstdlib.hpp" + +int +main() +{ + using boost::extents; + using boost::indices; + typedef boost::multi_array<int,3> array; + + 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 + }; + const int data_size=24; + + array myarray(extents[2][3][4]); + myarray.assign(data,data+data_size); + + // + // array_view dims: + // [base,stride,bound) + // [0,1,2), [1,1,3), [0,2,4) + // + + typedef boost::multi_array_types::index_range range; + array::array_view<3>::type myview = + myarray[indices[range(0,2)][range(1,3)][range(0,4,2)]]; + + for (array::index i = 0; i != 2; ++i) + for (array::index j = 0; j != 2; ++j) + for (array::index k = 0; k != 2; ++k) + assert(myview[i][j][k] == myarray[i][j+1][k*2]); + + return boost::exit_success; +} |