1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- S Y S T E M . W I D _ L L L U --
9 -- Copyright (C) 1992-2024, Free Software Foundation, Inc. --
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. --
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. --
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/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 -- Width attribute for modular integers larger than Long_Long_Integer
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.
40 pragma Assertion_Policy
(Pre
=> Ignore
,
42 Contract_Cases
=> Ignore
,
46 with System
.Unsigned_Types
;
48 package System
.Wid_LLLU
51 subtype Long_Long_Long_Unsigned
is Unsigned_Types
.Long_Long_Long_Unsigned
;
53 package Width_Uns
is new Width_U
(Long_Long_Long_Unsigned
);
55 function Width_Long_Long_Long_Unsigned
56 (Lo
, Hi
: Long_Long_Long_Unsigned
)
58 renames Width_Uns
.Width
;