File : s-expllu.ads
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT RUN-TIME COMPONENTS --
4 -- --
5 -- S Y S T E M . E X P _ L L U --
6 -- --
7 -- S p e c --
8 -- --
9 -- Copyright (C) 1992-2013, 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 -- --
19 -- --
20 -- --
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 -- This function performs exponentiation of unsigned types (with binary
33 -- modulus values exceeding that of Unsigned_Types.Unsigned). The result
34 -- is always full width, the caller must do a masking operation if the
35 -- modulus is less than 2 ** (Long_Long_Unsigned'Size).
36
37 with System.Unsigned_Types;
38
39 package System.Exp_LLU is
40 pragma Pure;
41
42 function Exp_Long_Long_Unsigned
43 (Left : System.Unsigned_Types.Long_Long_Unsigned;
44 Right : Natural)
45 return System.Unsigned_Types.Long_Long_Unsigned;
46
47 end System.Exp_LLU;