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Diffstat (limited to 'gcc-4.2.1/gcc/ada/s-explli.adb')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/s-explli.adb | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/gcc-4.2.1/gcc/ada/s-explli.adb b/gcc-4.2.1/gcc/ada/s-explli.adb deleted file mode 100644 index e605b7143..000000000 --- a/gcc-4.2.1/gcc/ada/s-explli.adb +++ /dev/null @@ -1,85 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- S Y S T E M . E X P L L I -- --- -- --- B o d y -- --- -- --- 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. -- --- -- ------------------------------------------------------------------------------- - -package body System.Exp_LLI is - - --------------------------- - -- Exp_Long_Long_Integer -- - --------------------------- - - -- Note that negative exponents get a constraint error because the - -- subtype of the Right argument (the exponent) is Natural. - - function Exp_Long_Long_Integer - (Left : Long_Long_Integer; - Right : Natural) - return Long_Long_Integer - is - Result : Long_Long_Integer := 1; - Factor : Long_Long_Integer := Left; - Exp : Natural := Right; - - begin - -- We use the standard logarithmic approach, Exp gets shifted right - -- testing successive low order bits and Factor is the value of the - -- base raised to the next power of 2. - - -- Note: it is not worth special casing base values -1, 0, +1 since - -- the expander does this when the base is a literal, and other cases - -- will be extremely rare. - - if Exp /= 0 then - loop - if Exp rem 2 /= 0 then - declare - pragma Unsuppress (All_Checks); - begin - Result := Result * Factor; - end; - end if; - - Exp := Exp / 2; - exit when Exp = 0; - - declare - pragma Unsuppress (All_Checks); - begin - Factor := Factor * Factor; - end; - end loop; - end if; - - return Result; - end Exp_Long_Long_Integer; - -end System.Exp_LLI; |