int
test_main(int,char*[])
{
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::exit_success;
}
int
test_main(int,char*[])
{
const int ndims=3;
typedef boost::multi_array<int,ndims> array;
boost::array<array::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};
const int data_size = 24;
array sma(sma_dims);
sma.assign(data,data+data_size);
//
// subarray dims:
// [base,stride,bound)
// [0,1,2), [1,1,3), [0,2,4)
//
const array& csma = sma;
typedef array::index_range range;
array::index_gen indices;
array::const_array_view<ndims>::type csma2 =
csma[indices[range(0,2)][range(1,3)][range(0,4,2)]];
boost::array<array::index,3> elmt = {{0,0,0}};
// FAIL! const_array_view cannot be assigned to.
csma2(elmt) = 5;
return boost::exit_success;
}