1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUNTIME COMPONENTS                          --
4--                                                                          --
5--                       S Y S T E M . W I D _ L L U                        --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--        Copyright (C) 1992,1993,1994 Free Software Foundation, Inc.       --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 2,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
17-- for  more details.  You should have  received  a copy of the GNU General --
18-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
19-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
20-- MA 02111-1307, USA.                                                      --
21--                                                                          --
22-- As a special exception,  if other files  instantiate  generics from this --
23-- unit, or you link  this unit with other files  to produce an executable, --
24-- this  unit  does not  by itself cause  the resulting  executable  to  be --
25-- covered  by the  GNU  General  Public  License.  This exception does not --
26-- however invalidate  any other reasons why  the executable file  might be --
27-- covered by the  GNU Public License.                                      --
28--                                                                          --
29-- GNAT was originally developed  by the GNAT team at  New York University. --
30-- Extensive contributions were provided by Ada Core Technologies Inc.      --
31--                                                                          --
32------------------------------------------------------------------------------
33
34--  This package contains the routine used for WIdth attribute for all
35--  non-static unsigned integer (modular integer) subtypes. Note we only
36--  have one routine, since this seems a fairly marginal function.
37
38with System.Unsigned_Types;
39
40package System.Wid_LLU is
41pragma Pure (Wid_LLU);
42
43   function Width_Long_Long_Unsigned
44     (Lo, Hi : System.Unsigned_Types.Long_Long_Unsigned)
45      return   Natural;
46   --  Compute Width attribute for non-static type derived from a modular
47   --  integer type. The arguments Lo, Hi are the bounds of the type.
48
49end System.Wid_LLU;
50