Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
199087 changed files with 3378941 additions and 0 deletions

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(defun gray-encode (n)
(logxor n (ash n -1)))
(defun gray-decode (n)
(do ((p n (logxor p n)))
((zerop n) p)
(setf n (ash n -1))))
(loop for i to 31 do
(let* ((g (gray-encode i)) (b (gray-decode g)))
(format t "~2d:~6b =>~6b =>~6b :~2d~%" i i g b b)))