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Re: boole
- To: Earl A. Killian <Killian at MIT-MULTICS>
- Subject: Re: boole
- From: Guy.Steele at CMU-10A
- Date: Mon, 19 Jul 1982 22:14:00 -0000
- Cc: common-lisp at SU-AI
- In-reply-to: Earl A. Killian@MIT-MULTICS's message of 19 Jul 82 15:21-EST
Not bad! However, I would push for (boole #b11111110 a b c) = (logior a b c).
Then we would have the pretty pattern that
(logbit (boole op x1 x2 x3 ... xn) j)
= (logbit op #b<z1><z2><z3>...<zn>) where <zk> = (logbit xk j)