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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- S Y S T E M . E X P _ L L U --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1992-2009 Free Software Foundation, Inc. --
+-- --
+-- 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. --
+-- --
+------------------------------------------------------------------------------
+
+-- This procedure performs exponentiation of unsigned types (with binary
+-- modulus values exceeding that of Unsigned_Types.Unsigned). The result
+-- is always full width, the caller must do a masking operation if the
+-- modulus is less than 2 ** (Long_Long_Unsigned'Size).
+
+with System.Unsigned_Types;
+
+package System.Exp_LLU is
+ pragma Pure;
+
+ function Exp_Long_Long_Unsigned
+ (Left : System.Unsigned_Types.Long_Long_Unsigned;
+ Right : Natural)
+ return System.Unsigned_Types.Long_Long_Unsigned;
+
+end System.Exp_LLU;