From: Emanuel Berg <incal@dataswamp.org>
To: help-gnu-emacs@gnu.org
Subject: Re: The next exercise
Date: Fri, 09 Dec 2022 22:27:42 +0100 [thread overview]
Message-ID: <87a63wuv1t.fsf@dataswamp.org> (raw)
In-Reply-To: 87r0x8s3le.fsf@web.de
Michael Heerdegen wrote:
>> M-: (expt 1001 1000) RET
>
> Wow, Tomas and Gregory, thanks for the hint - I had
> forgotten that even "normal" Emacs Lisp can do it
> exactly. Wonderful.
>
> (substring (number-to-string (expt 10001 10000)) 0 4) is too
> much, however (Arithmetic overflow error).
What is this then
(defalias '** #'expt)
(1- (** 2 (* 8 (** (** 2 10) 4))))
It's an arithmetic overflow error!
But what does it express?
Hint: Start with (** 2 10) ...
--
underground experts united
https://dataswamp.org/~incal
next prev parent reply other threads:[~2022-12-09 21:27 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-09 19:09 The next exercise Michael Heerdegen
2022-12-09 19:42 ` tomas
2022-12-09 20:38 ` Michael Heerdegen
2022-12-10 2:09 ` Emanuel Berg
2022-12-10 6:18 ` tomas
2022-12-10 7:28 ` Emanuel Berg
2022-12-10 2:05 ` Emanuel Berg
2022-12-09 19:44 ` Gregory Heytings
2022-12-09 19:58 ` Michael Heerdegen
2022-12-09 20:19 ` tomas
2022-12-09 20:33 ` Gregory Heytings
2022-12-09 20:51 ` Michael Heerdegen
2022-12-09 21:27 ` Emanuel Berg [this message]
2022-12-12 1:34 ` Michael Heerdegen
2022-12-15 5:29 ` Emanuel Berg
2022-12-15 22:24 ` Michael Heerdegen
2022-12-15 23:17 ` Michael Heerdegen
2022-12-16 1:16 ` Michael Heerdegen
2022-12-17 0:20 ` Emanuel Berg
2022-12-18 0:11 ` Michael Heerdegen
2022-12-20 4:45 ` Emanuel Berg
2022-12-11 19:48 ` Andy Moreton
2022-12-12 1:39 ` Michael Heerdegen
2022-12-15 10:47 ` Emanuel Berg
2022-12-10 2:25 ` Emanuel Berg
2022-12-09 20:43 ` Emanuel Berg
2022-12-09 21:29 ` Michael Heerdegen
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