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Add test to assign chunked array to chunked array#130

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Add test to assign chunked array to chunked array#130

davidbrochart wants to merge1 commit intoxtensor-stack:masterfromdavidbrochart:test_chunked_assign

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davidbrochart commentedDec 15, 2020

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davidbrochart commentedDec 15, 2020

Looks like we can't assign anxarray to a chunked file array.

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davidbrochart commentedDec 16, 2020

OK so this is because:

// not correct:auto a = xt::arange(4 *4).reshape({4,4});// correct:auto a = xt::arange(4 *4);a.reshape({4,4});

This is a different behavior than NumPy, where you do:

a=np.arange(4*4).reshape(4,4)

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davidbrochart commentedDec 16, 2020

/usr/share/miniconda/envs/xtensor-io/include/xtensor/xnoalias.hpp:165:32: error: invalid initialization of non-const reference of type 'xt::xchunked_array<xt::xchunk_store_manager<xt::xfile_array_container<xt::xarray_container<xt::uvector<double, std::allocator<double> >, xt::layout_type::row_major, xt::svector<long unsigned int, 4, std::allocator<long unsigned int>, true>, xt::xtensor_expression_tag>, xt::xio_disk_handler<xt::xio_binary_config> >, xt::xindex_path>, xt::empty_extension>&' from an rvalue of type 'void'  165 |         return m_array.assign(e);      |