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From: "Nasser M. Abbasi" <nma@12000.org>
Newsgroups: comp.lang.ada
Subject: Re: how to print an array range?
Date: Tue, 26 Jun 2012 09:24:30 -0500
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Date: 2012-06-26T09:24:30-05:00
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On 6/26/2012 9:08 AM, Nasser M. Abbasi wrote:
...
>       put(A'First(1)); new_line;
>       put(A'Last(1));
>
> end foo1;
> ----------------------------
>
>> gnatmake foo1.adb
> gcc-4.6 -c foo1.adb
> gnatbind -x foo1.ali
> gnatlink foo1.ali
>> ./foo1
> -2147483648
> -2147483646

I think I know what these numbers are. Look like Integer'first.

But I wanted to see the range of
the first dimension of the Matrix A below. (1..3, 1..3)

----------------------------------
with Ada.Text_Io; use Ada.Text_Io;
with Ada.Float_Text_Io; use Ada.Float_Text_Io;
with Ada.integer_Text_Io; use Ada.integer_Text_Io;
with Ada.Numerics.Real_Arrays;  use Ada.Numerics.Real_Arrays;

procedure foo1 is
      A : constant Real_Matrix :=
               (( 1.0,  2.0,  3.0),
                ( 4.0,  5.0,  6.0),
                ( 7.0,  8.0,  9.0));
begin

      put(A'First(1)); new_line;
      put(A'Last(1));
          
end foo1;
-------------------------------

I think I Will go hunt for a book on Ada, and will
look at the packages Dmitry just posted.

thanks,

--Nasser