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1994-05-19
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6KB
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175 lines
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- S Y S T E M . U N S I G N E D _ T Y P E S --
-- --
-- S p e c --
-- --
-- $Revision: 1.1 $ --
-- --
-- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT 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 distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
-- This package contains definitions of standard unsigned types that
-- correspond in size to the standard signed types declared in Standard.
-- and (unlike the types in Interfaces have corresponding names).
package System.Unsigned_Types is
type Short_Short_Unsigned is mod 2 ** Short_Short_Integer'Size;
type Short_Unsigned is mod 2 ** Short_Integer'Size;
type Unsigned is mod 2 ** Integer'Size;
type Long_Unsigned is mod 2 ** Long_Integer'Size;
type Long_Long_Unsigned is mod 2 ** Long_Long_Integer'Size;
function Shift_Left
(Value : Short_Short_Unsigned;
Amount : Natural)
return Short_Short_Unsigned;
function Shift_Right
(Value : Short_Short_Unsigned;
Amount : Natural)
return Short_Short_Unsigned;
function Shift_Right_Arithmetic
(Value : Short_Short_Unsigned;
Amount : Natural)
return Short_Short_Unsigned;
function Rotate_Left
(Value : Short_Short_Unsigned;
Amount : Natural)
return Short_Short_Unsigned;
function Rotate_Right
(Value : Short_Short_Unsigned;
Amount : Natural)
return Short_Short_Unsigned;
function Shift_Left
(Value : Short_Unsigned;
Amount : Natural)
return Short_Unsigned;
function Shift_Right
(Value : Short_Unsigned;
Amount : Natural)
return Short_Unsigned;
function Shift_Right_Arithmetic
(Value : Short_Unsigned;
Amount : Natural)
return Short_Unsigned;
function Rotate_Left
(Value : Short_Unsigned;
Amount : Natural)
return Short_Unsigned;
function Rotate_Right
(Value : Short_Unsigned;
Amount : Natural)
return Short_Unsigned;
function Shift_Left
(Value : Unsigned;
Amount : Natural)
return Unsigned;
function Shift_Right
(Value : Unsigned;
Amount : Natural)
return Unsigned;
function Shift_Right_Arithmetic
(Value : Unsigned;
Amount : Natural)
return Unsigned;
function Rotate_Left
(Value : Unsigned;
Amount : Natural)
return Unsigned;
function Rotate_Right
(Value : Unsigned;
Amount : Natural)
return Unsigned;
function Shift_Left
(Value : Long_Unsigned;
Amount : Natural)
return Long_Unsigned;
function Shift_Right
(Value : Long_Unsigned;
Amount : Natural)
return Long_Unsigned;
function Shift_Right_Arithmetic
(Value : Long_Unsigned;
Amount : Natural)
return Long_Unsigned;
function Rotate_Left
(Value : Long_Unsigned;
Amount : Natural)
return Long_Unsigned;
function Rotate_Right
(Value : Long_Unsigned;
Amount : Natural)
return Long_Unsigned;
function Shift_Left
(Value : Long_Long_Unsigned;
Amount : Natural)
return Long_Long_Unsigned;
function Shift_Right
(Value : Long_Long_Unsigned;
Amount : Natural)
return Long_Long_Unsigned;
function Shift_Right_Arithmetic
(Value : Long_Long_Unsigned;
Amount : Natural)
return Long_Long_Unsigned;
function Rotate_Left
(Value : Long_Long_Unsigned;
Amount : Natural)
return Long_Long_Unsigned;
function Rotate_Right
(Value : Long_Long_Unsigned;
Amount : Natural)
return Long_Long_Unsigned;
pragma Convention (Intrinsic, Shift_Left);
pragma Convention (Intrinsic, Shift_Right);
pragma Convention (Intrinsic, Shift_Right_Arithmetic);
pragma Convention (Intrinsic, Rotate_Left);
pragma Convention (Intrinsic, Rotate_Right);
pragma Import (Intrinsic, Shift_Left);
pragma Import (Intrinsic, Shift_Right);
pragma Import (Intrinsic, Shift_Right_Arithmetic);
pragma Import (Intrinsic, Rotate_Left);
pragma Import (Intrinsic, Rotate_Right);
end System.Unsigned_Types;