Reuse raft::mdarray/mdspan directly in dense dataset storage - #2530
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…2395) dense_owning_matrix/dense_view_matrix (and the VPQ codebook/code matrix aliases) picked between raft::device_matrix and raft::host_matrix via std::conditional_t, even though those are themselves just aliases for raft::mdarray/raft::mdspan with the exact accessor already computed as Accessor. Point the aliases at raft::mdarray/raft::mdspan directly instead. dense_row_major_dataset_owning_storage/_view_storage also wrapped their matrix/view as a field and hand-forwarded view()/data_handle(), which raft::mdarray/raft::mdspan already provide natively. They now inherit from the matrix/view type instead, so those forwards are no longer needed. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Addresses #2395.
dense_owning_matrix/dense_view_matrix (and the VPQ codebook/code matrix aliases) picked between raft::device_matrix and raft::host_matrix via std::conditional_t, even though those are themselves just aliases for raft::mdarray/raft::mdspan with the exact accessor already computed as Accessor. Point the aliases at raft::mdarray/raft::mdspan directly instead.
dense_row_major_dataset_owning_storage/_view_storage also wrapped their matrix/view as a field and hand-forwarded view()/data_handle(), which raft::mdarray/raft::mdspan already provide natively. They now inherit from the matrix/view type instead, so those forwards are no longer needed.