------------------------------------------------------------------------------
------------------------------------------------------------------------------
-- Cheddar is a GNU GPL real-time scheduling analysis tool.
-- This program provides services to automatically check schedulability and
-- other performance criteria of real-time architecture models.
--
-- Copyright (C) 2002-2023, Frank Singhoff, Alain Plantec, Jerome Legrand,
--                          Hai Nam Tran, Stephane Rubini
--
-- The Cheddar project was started in 2002 by
-- Frank Singhoff, Lab-STICC UMR 6285, Université de Bretagne Occidentale
--
-- Cheddar has been published in the "Agence de Protection des Programmes/France" in 2008.
-- Since 2008, Ellidiss technologies also contributes to the development of
-- Cheddar and provides industrial support.
--
-- The full list of contributors and sponsors can be found in README.md
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--
--
-- Contact : cheddar@listes.univ-brest.fr
--
------------------------------------------------------------------------------
-- Last update :
--    $Rev$
--    $Date$
--    $Author: singhoff $
------------------------------------------------------------------------------
------------------------------------------------------------------------------

with Text_IO; use Text_IO;
with discrete_util;

package body natural_util is

   package natural_io is new Text_IO.Integer_IO (Natural);
   package natural_discrete is new discrete_util (Natural);

   function format (f : in Natural) return Unbounded_String is
   begin
      return (natural_discrete.format (f));
   end format;

   procedure put (e : in natural_ptr) is
   begin
      natural_io.Put (e.all);
   end put;

   procedure put (e : in Natural) is
   begin
      natural_io.Put (e);
   end put;

   procedure put_line (e : in Natural) is
   begin
      natural_io.Put (e);
      New_Line;
   end put_line;

   procedure initialize (a : out Natural) is
   begin
      a := 0;
   end initialize;

   function gcd (a : in Natural; b : in Natural) return Natural is
   begin
      return (natural_discrete.gcd (a, b));
   end gcd;

   function lcm (a : in Natural; b : in Natural) return Natural is
   begin
      return (natural_discrete.lcm (a, b));
   end lcm;

   function lcm (a : in Natural; b : in Natural) return Double is
   begin
      return (natural_discrete.lcm (a, b));
   end lcm;

   function copy (e : in natural_ptr) return natural_ptr is
      ret : natural_ptr;
   begin
      ret     := new Natural;
      ret.all := e.all;
      return ret;
   end copy;

end natural_util;