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…an hold points within eps are visited (sqrt(dim+3) only holds in 2D)
John-194
added this pull request to stack #7
September 18, 2026 13:00
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The grid looks up neighbour cells within a hop radius of
sqrt(dim + 3)cell widths. That bound is only correct in 2D. In 3D and above it skips cells that can still hold points withineps, so a few points near cell boundaries get different labels than scikit-learn gives them. The correct bound issqrt(4 * dim - 3)(in 2D the two are identical).