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- ------------------------------------------------------------------------------
- -- --
- -- GNAT COMPILER COMPONENTS --
- -- --
- -- S Y S T E M . V A L _ D E C --
- -- --
- -- B o d y --
- -- --
- -- $Revision: 1.1 $ --
- -- --
- -- Copyright (c) 1992,1993,1994,1995 NYU, All Rights Reserved --
- -- --
- -- The GNAT library is free software; you can redistribute it and/or modify --
- -- it under terms of the GNU Library General Public License as published by --
- -- the Free Software Foundation; either version 2, or (at your option) any --
- -- later version. The GNAT library is distributed in the hope that it will --
- -- be useful, but WITHOUT ANY WARRANTY; without even the implied warranty --
- -- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
- -- Library General Public License for more details. You should have --
- -- received a copy of the GNU Library General Public License along with --
- -- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
- -- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
- -- --
- ------------------------------------------------------------------------------
-
- with System.Val_Real; use System.Val_Real;
-
- package body System.Val_Dec is
-
- ------------------
- -- Scan_Decimal --
- ------------------
-
- -- For decimal types where Size < Integer'Size, it is fine to use
- -- the floating-point circuit, since it certainly has sufficient
- -- precision for any reasonable hardware, and we just don't support
- -- things on junk hardware!
-
- function Scan_Decimal
- (Str : String;
- Ptr : access Positive'Base;
- Max : Positive'Base;
- Scale : Integer)
- return Integer
- is
- Val : Long_Long_Float;
-
- begin
- Val := Scan_Real (Str, Ptr, Max);
- return Integer (Val * 10.0 ** Scale);
- end Scan_Decimal;
-
- -------------------
- -- Value_Decimal --
- -------------------
-
- -- Again, we use the real circuit for this purpose
-
- function Value_Decimal (Str : String; Scale : Integer) return Integer is
- begin
- return Integer (Value_Real (Str) * 10.0 ** Scale);
- end Value_Decimal;
-
- end System.Val_Dec;
-