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From: "Juanma Barranquero" <lekktu@gmail.com>
To: "Vinicius Jose Latorre" <viniciusjl@ig.com.br>
Cc: emacs-devel@gnu.org
Subject: Re: Floating-point formatting string
Date: Wed, 14 Feb 2007 02:28:46 +0100	[thread overview]
Message-ID: <f7ccd24b0702131728s5b941951vc09957e4fc4bf22f@mail.gmail.com> (raw)
In-Reply-To: <45D2630F.70105@ig.com.br>

On 2/14/07, Vinicius Jose Latorre <viniciusjl@ig.com.br> wrote:

> Type
>    M-: (format "%03.3f" 1.2) RET
>    ==> "1.200"
>
> Shouldn't it be "001.200"?

>From format's docstring:

  The basic structure of a %-sequence is
    % <flags> <width> <precision> character
  where flags is [- #0]+, width is [0-9]+, and precision is .[0-9]+

You're saying "flag = 0, width = 3, precision = 3". That overflows the
width = 3.

Try

  (format "%07.3f" 1.2) => "001.200"

             Juanma

  reply	other threads:[~2007-02-14  1:28 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-14  1:17 Floating-point formatting string Vinicius Jose Latorre
2007-02-14  1:28 ` Juanma Barranquero [this message]
2007-02-14  1:40   ` Vinicius Jose Latorre
2007-02-14  1:36 ` Chong Yidong
2007-02-14  1:42   ` Vinicius Jose Latorre
2007-02-14 16:26   ` Stuart D. Herring
2007-02-14 16:32     ` Andreas Schwab
2007-02-14 16:35     ` Juanma Barranquero

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