From: Eli Zaretskii <eliz@gnu.org>
To: "Clément Pit--Claudel" <clement.pitclaudel@live.com>
Cc: 25557@debbugs.gnu.org
Subject: bug#25557: Documentation of format doesn't describe "g" accurately
Date: Sat, 28 Jan 2017 17:23:55 +0200 [thread overview]
Message-ID: <83a8abyzqs.fsf@gnu.org> (raw)
In-Reply-To: <d997501e-4ae8-7bed-b4db-9459a7ab0b69@live.com> (message from Clément Pit--Claudel on Sat, 28 Jan 2017 10:04:33 -0500)
> Cc: 25557-done@debbugs.gnu.org
> From: Clément Pit--Claudel <clement.pitclaudel@live.com>
> Date: Sat, 28 Jan 2017 10:04:33 -0500
>
> >> On a related note, is there a way to get a shortest representation of a number? Something like %g, but without exponents.
> >
> > Sorry, I don't understand the question. How can you represent an
> > arbitrary number without exponents at all, except by %f?
>
> I'd like something like this (with a hypothetical %q):
>
> (format "%.3q" 3) ⇒ "3"
> (format "%.3q" 3.00) ⇒ "3"
> (format "%.3q" 3.30) ⇒ "3.3"
> (format "%.3q" 3.05) ⇒ "3.05"
> (format "%.3q" 3.352) ⇒ "3.35"
> (format "%.3q" 3100000) ⇒ "3100000"
>
> This is in fact just the same as 'g', except for the last entry (%g produces "3.1e+06"). Is this achievable?
Yes, if you use "%.7g". In general, use "%.Ng" if you want up to N
digits in the printed representation.
Does that answer your question?
next prev parent reply other threads:[~2017-01-28 15:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-27 22:05 bug#25557: Documentation of format doesn't describe "g" accurately Clément Pit--Claudel
2017-01-28 8:37 ` Eli Zaretskii
2017-01-28 15:04 ` Clément Pit--Claudel
2017-01-28 15:23 ` Eli Zaretskii [this message]
2017-01-28 15:45 ` Clément Pit--Claudel
2017-01-28 16:01 ` Eli Zaretskii
2017-01-28 16:18 ` Clément Pit--Claudel
2017-01-28 16:25 ` Eli Zaretskii
2017-01-28 19:14 ` Clément Pit--Claudel
2017-01-28 19:31 ` Eli Zaretskii
2017-01-28 20:06 ` Clément Pit--Claudel
2017-01-28 20:29 ` Eli Zaretskii
2017-01-28 20:45 ` Clément Pit--Claudel
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