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Diffstat (limited to 'gcc-4.3.1/gcc/ada/s-expuns.ads')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/s-expuns.ads | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/s-expuns.ads b/gcc-4.3.1/gcc/ada/s-expuns.ads new file mode 100644 index 000000000..288258ef8 --- /dev/null +++ b/gcc-4.3.1/gcc/ada/s-expuns.ads @@ -0,0 +1,49 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . E X P _ U N S -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1992-2005 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 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, 51 Franklin Street, Fifth Floor, -- +-- Boston, MA 02110-1301, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- 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 up to and including that of Unsigned_Types.Unsigned). +-- The result is always full width, the caller must do a masking operation +-- the modulus is less than 2 ** (Unsigned'Size). + +with System.Unsigned_Types; + +package System.Exp_Uns is + pragma Pure; + + function Exp_Unsigned + (Left : System.Unsigned_Types.Unsigned; + Right : Natural) + return System.Unsigned_Types.Unsigned; + +end System.Exp_Uns; |