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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [s-vallld.adb] - Blame information for rev 729

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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT COMPILER COMPONENTS                         --
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--                                                                          --
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--                       S Y S T E M . V A L _ L L D                        --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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with System.Val_Real; use System.Val_Real;
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package body System.Val_LLD is
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   ----------------------------
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   -- Scan_Long_Long_Decimal --
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   ----------------------------
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   --  We use the floating-point circuit for now, this will be OK on a PC,
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   --  but definitely does NOT have the required precision if the longest
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   --  float type is IEEE double. This must be fixed in the future ???
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   function Scan_Long_Long_Decimal
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     (Str   : String;
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      Ptr   : not null access Integer;
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      Max   : Integer;
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      Scale : Integer) return Long_Long_Integer
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   is
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      Val : Long_Long_Float;
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   begin
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      Val := Scan_Real (Str, Ptr, Max);
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      return Long_Long_Integer (Val * 10.0 ** Scale);
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   end Scan_Long_Long_Decimal;
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   -----------------------------
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   -- Value_Long_Long_Decimal --
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   -----------------------------
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   --  Again we cheat and use floating-point ???
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   function Value_Long_Long_Decimal
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     (Str   : String;
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      Scale : Integer) return Long_Long_Integer
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   is
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   begin
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      return Long_Long_Integer (Value_Real (Str) * 10.0 ** Scale);
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   end Value_Long_Long_Decimal;
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end System.Val_LLD;

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