From: Emanuel Berg <incal@dataswamp.org>
To: help-gnu-emacs@gnu.org
Subject: Re: percent-change
Date: Sat, 13 May 2023 18:04:23 +0200 [thread overview]
Message-ID: <87zg68w73s.fsf@dataswamp.org> (raw)
In-Reply-To: CAP_d_8XQ3p4k=rzJWT8J1+K_DcADorLMyKofBEekkvKyi9M_8w@mail.gmail.com
Yuri Khan wrote:
>> Take a look at this, see examples for intended bahvior.
>> This was more difficult than I imagined, maybe there is
>> some simpler way to do it?
>
> (defun yk-percent-change (from to)
> (if (= from to)
> 0
> (/ (- to from) (abs from) 0.01)))
But how/why does that work if 'from' is 0?
(/ 1 0 0.01) ; 1.0e+INF
What does that mean?
--
underground experts united
https://dataswamp.org/~incal
next prev parent reply other threads:[~2023-05-13 16:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-11 13:35 percent-change Emanuel Berg
2023-05-13 13:37 ` percent-change Ruijie Yu via Users list for the GNU Emacs text editor
2023-05-13 14:00 ` percent-change Emanuel Berg
2023-05-13 14:06 ` percent-change Emanuel Berg
2023-05-13 15:16 ` percent-change Yuri Khan
2023-05-13 15:58 ` percent-change Emanuel Berg
2023-05-13 16:04 ` Emanuel Berg [this message]
2023-05-14 14:29 ` percent-change Yuri Khan
2023-05-15 2:54 ` percent-change Emanuel Berg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87zg68w73s.fsf@dataswamp.org \
--to=incal@dataswamp.org \
--cc=help-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).