Emacs Lisp implementation of Graham scan #908
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berquist
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berquist
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Oct 27, 2021
| (hull (list start (car points) (cadr points)))) | ||
| (dolist (point (cddr points)) | ||
| (while (not (is-ccw (nthrev 1 hull) (nthrev 0 hull) point)) | ||
| (setq hull (reverse (cdr (reverse hull))))) |
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This probably destroys the formal scaling of the method. Nevermind, this is still linear, just inefficient.
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See #882 for book boilerplate.
I think there is some inconsistency both in