From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00,MAILING_LIST_MULTI
	autolearn=unavailable autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,a6692a7d92b3309b
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2004-04-08 17:08:43 PST
Path: 
 archiver1.google.com!news1.google.com!news.glorb.com!newsrout1.ntli.net!news.ntli.net!proxad.net!usenet-fr.net!enst.fr!melchior!cuivre.fr.eu.org!melchior.frmug.org!not-for-mail
From: Stephen Leake <stephen_leake@acm.org>
Newsgroups: comp.lang.ada
Subject: Re: Converting numbers to strings without Ada.Text_IO?
Date: 08 Apr 2004 20:06:19 -0400
Organization: Cuivre, Argent, Or
Message-ID: <mailman.227.1081469187.327.comp.lang.ada@ada-france.org>
References: <rWfdc.2825$MA6.804@reader1.news.jippii.net>
NNTP-Posting-Host: lovelace.ada-france.org
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Trace: melchior.cuivre.fr.eu.org 1081469188 61756 212.85.156.195 (9 Apr 2004
 00:06:28 GMT)
X-Complaints-To: usenet@melchior.cuivre.fr.eu.org
NNTP-Posting-Date: Fri, 9 Apr 2004 00:06:28 +0000 (UTC)
To: comp.lang.ada@ada-france.org
Return-Path: <stephen_leake@acm.org>
In-Reply-To: <rWfdc.2825$MA6.804@reader1.news.jippii.net>
User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3
X-Virus-Scanned: by amavisd-new-20030616-p7 (Debian) at ada-france.org
X-BeenThere: comp.lang.ada@ada-france.org
X-Mailman-Version: 2.1.4
Precedence: list
List-Id: "Gateway to the comp.lang.ada Usenet newsgroup"
	<comp.lang.ada.ada-france.org>
List-Unsubscribe: <http://www.ada-france.org/mailman/listinfo/comp.lang.ada>,
	<mailto:comp.lang.ada-request@ada-france.org?subject=unsubscribe>
List-Post: <mailto:comp.lang.ada@ada-france.org>
List-Help: <mailto:comp.lang.ada-request@ada-france.org?subject=help>
List-Subscribe: <http://www.ada-france.org/mailman/listinfo/comp.lang.ada>,
	<mailto:comp.lang.ada-request@ada-france.org?subject=subscribe>
Xref: archiver1.google.com comp.lang.ada:6871
Date: 2004-04-08T20:06:19-04:00

Tapio Kelloniemi <spam12@thack.org> writes:

> Hi
> 
> I'm writing a collection of generic packages to format numbers
> (similar to Ada.Text_IO.xxx_IO). The reason why I don't use the
> strings-versions of procedures under Ada.Text_IO are:

Good list; snipped for space.

> Well, my question is: how could in convert integer and real numbers
> portably into strings without using Ada.Text_IO?

Martin Dowie suggested copying the core code from GNAT; that's a good
idea.

Here's code I wrote that converts modular types to hexadecimal:

function SAL.Generic_Hex_Image (Item : in Number_Type) return String
is
   Temp : Number_Type := Item;
   Nibble : Number_Type;
   Image : String (1 .. Width);
begin
   for I in reverse Image'Range loop
      Nibble := Temp mod 16;
      Temp := Temp / 16;
      if Nibble > 9 then
         Image (I) := Character'Val (Character'Pos ('A') + Nibble - 10);
      else
         Image (I) := Character'Val (Character'Pos ('0') + Nibble);
      end if;
   end loop;
   return Image;
end Sal.Generic_Hex_Image;

> Are there some issues that I should be aware of?

Lots. Go read the GNAT code.

-- 
-- Stephe