Curve/point containment by per-axis fat line clipping — the derivation
is in curve.md next to this file; this module implements its Clip B
(“fat line”) together with the iteration of its section 5.
The previous curve/point containment — convex hull test and bisection —
kept only as the baseline for examples/curve_contains_bench.rs. The
kernel uses super::curve.
Surface/point containment by per-axis fat line clipping — the design is
surface.md next to this file, the curve version it extends is
curve.md / super::curve.
The previous surface/point containment — convex hull test and
bisection — kept only as the baseline for
examples/surface_contains_bench.rs. The kernel uses super::surface.