1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--                      S Y S T E M . W I D _ L L L U                       --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1992-2021, 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 3,  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.                                     --
17--                                                                          --
18-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
21--                                                                          --
22-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32--  Width attribute for modular integers larger than Long_Long_Integer
33
34--  Preconditions in this unit are meant for analysis only, not for run-time
35--  checking, so that the expected exceptions are raised. This is enforced by
36--  setting the corresponding assertion policy to Ignore. Postconditions and
37--  contract cases should not be executed at runtime as well, in order not to
38--  slow down the execution of these functions.
39
40pragma Assertion_Policy (Pre            => Ignore,
41                         Post           => Ignore,
42                         Contract_Cases => Ignore,
43                         Ghost          => Ignore);
44
45with System.Width_U;
46with System.Unsigned_Types;
47
48package System.Wid_LLLU
49  with SPARK_Mode
50is
51   subtype Long_Long_Long_Unsigned is Unsigned_Types.Long_Long_Long_Unsigned;
52
53   function Width_Long_Long_Long_Unsigned is
54     new Width_U (Long_Long_Long_Unsigned);
55   pragma Pure_Function (Width_Long_Long_Long_Unsigned);
56
57end System.Wid_LLLU;
58