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//! Point-cloud neural network primitives. //! //! Provides: //! - **`point_transformer`**: the Point Transformer vector self-attention layer //! (Zhao et al. 2021) — subtraction-relation attention over kNN //! neighbourhoods with a learned relative-position encoding. pub mod point_transformer; pub use point_transformer::{PointAttention, PointTransformerConfig, PointTransformerLayer};