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-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- I N T E R F A C E S --
--- --
--- S p e c --
--- --
--- Copyright (C) 2002-2009, Free Software Foundation, Inc. --
--- --
--- This specification is derived from the Ada Reference Manual for use with --
--- GNAT. The copyright notice above, and the license provisions that follow --
--- apply solely to the implementation dependent sections of this file. --
--- --
--- 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 3, 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. --
--- --
--- As a special exception under Section 7 of GPL version 3, you are granted --
--- additional permissions described in the GCC Runtime Library Exception, --
--- version 3.1, as published by the Free Software Foundation. --
--- --
--- You should have received a copy of the GNU General Public License and --
--- a copy of the GCC Runtime Library Exception along with this program; --
--- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
--- <http://www.gnu.org/licenses/>. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-package Interfaces is
- pragma Pure;
-
- type Integer_8 is range -2 ** 7 .. 2 ** 7 - 1;
- for Integer_8'Size use 8;
-
- type Integer_16 is range -2 ** 15 .. 2 ** 15 - 1;
- for Integer_16'Size use 16;
-
- type Integer_32 is range -2 ** 31 .. 2 ** 31 - 1;
- for Integer_32'Size use 32;
-
- type Integer_64 is range -2 ** 63 .. 2 ** 63 - 1;
- for Integer_64'Size use 64;
-
- type Unsigned_8 is mod 2 ** 8;
- for Unsigned_8'Size use 8;
-
- type Unsigned_16 is mod 2 ** 16;
- for Unsigned_16'Size use 16;
-
- type Unsigned_32 is mod 2 ** 32;
- for Unsigned_32'Size use 32;
-
- type Unsigned_64 is mod 2 ** 64;
- for Unsigned_64'Size use 64;
-
- function Shift_Left
- (Value : Unsigned_8;
- Amount : Natural) return Unsigned_8;
-
- function Shift_Right
- (Value : Unsigned_8;
- Amount : Natural) return Unsigned_8;
-
- function Shift_Right_Arithmetic
- (Value : Unsigned_8;
- Amount : Natural) return Unsigned_8;
-
- function Rotate_Left
- (Value : Unsigned_8;
- Amount : Natural) return Unsigned_8;
-
- function Rotate_Right
- (Value : Unsigned_8;
- Amount : Natural) return Unsigned_8;
-
- function Shift_Left
- (Value : Unsigned_16;
- Amount : Natural) return Unsigned_16;
-
- function Shift_Right
- (Value : Unsigned_16;
- Amount : Natural) return Unsigned_16;
-
- function Shift_Right_Arithmetic
- (Value : Unsigned_16;
- Amount : Natural) return Unsigned_16;
-
- function Rotate_Left
- (Value : Unsigned_16;
- Amount : Natural) return Unsigned_16;
-
- function Rotate_Right
- (Value : Unsigned_16;
- Amount : Natural) return Unsigned_16;
-
- function Shift_Left
- (Value : Unsigned_32;
- Amount : Natural) return Unsigned_32;
-
- function Shift_Right
- (Value : Unsigned_32;
- Amount : Natural) return Unsigned_32;
-
- function Shift_Right_Arithmetic
- (Value : Unsigned_32;
- Amount : Natural) return Unsigned_32;
-
- function Rotate_Left
- (Value : Unsigned_32;
- Amount : Natural) return Unsigned_32;
-
- function Rotate_Right
- (Value : Unsigned_32;
- Amount : Natural) return Unsigned_32;
-
- function Shift_Left
- (Value : Unsigned_64;
- Amount : Natural) return Unsigned_64;
-
- function Shift_Right
- (Value : Unsigned_64;
- Amount : Natural) return Unsigned_64;
-
- function Shift_Right_Arithmetic
- (Value : Unsigned_64;
- Amount : Natural) return Unsigned_64;
-
- function Rotate_Left
- (Value : Unsigned_64;
- Amount : Natural) return Unsigned_64;
-
- function Rotate_Right
- (Value : Unsigned_64;
- Amount : Natural) return Unsigned_64;
-
- 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);
-
- -- IEEE Floating point types. Note that the form of these definitions
- -- ensures that the work on VMS, even if the standard library is compiled
- -- using a Float_Representation pragma for Vax_Float.
-
- pragma Warnings (Off);
- -- Turn off warnings for targets not providing IEEE floating-point types
-
- type IEEE_Float_32 is digits 6;
- pragma Float_Representation (IEEE_Float, IEEE_Float_32);
-
- type IEEE_Float_64 is digits 15;
- pragma Float_Representation (IEEE_Float, IEEE_Float_64);
-
- -- If there is an IEEE extended float available on the machine, we assume
- -- that it is available as Long_Long_Float.
-
- -- Note: it is harmless, and explicitly permitted, to include additional
- -- types in interfaces, so it is not wrong to have IEEE_Extended_Float
- -- defined even if the extended format is not available.
-
- type IEEE_Extended_Float is new Long_Long_Float;
-
-end Interfaces;