packed_spatial_index 0.18.0

Packed static spatial index (Hilbert R-tree) for 2D/3D AABBs — SIMD range, kNN, raycast, and spatial-join queries, with zero-copy and streaming serialization.
Documentation 
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mod boxes;
mod columns;
#[cfg(feature = "simd")]
mod stack;
mod writer;

pub(crate) use boxes::{Box2DF32, Box3DF32};
pub(crate) use columns::{
    F32ColumnRefs2D, F32ColumnRefs3D, F32Columns2D, F32Columns3D, columns2d_from_parsed,
    columns3d_from_parsed,
};
#[cfg(feature = "simd")]
pub(crate) use stack::{CONTAINED_FLAG, LEVEL_MASK, encode_level};
pub(crate) use writer::{write_columns2d, write_columns3d};