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1996-09-28
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114 lines
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- A D A . T E X T _ I O . F I X E D _ I O --
-- --
-- B o d y --
-- --
-- $Revision: 1.2 $ --
-- --
-- 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 Ada.Text_IO.Float_Aux;
package body Ada.Text_IO.Fixed_IO is
-- Note: we use the floating-point I/O routines for input/output of
-- ordinary fixed-point. This works fine for fixed-point declarations
-- whose mantissa is no longer than the mantissa of Long_Long_Float,
-- and we simply consider that we have only partial support for fixed-
-- point types with larger mantissas (this situation will not arise on
-- the x86, but it will rise on machines only supporting IEEE long).
package Aux renames Ada.Text_IO.Float_Aux;
---------
-- Get --
---------
procedure Get
(File : in File_Type;
Item : out Num;
Width : in Field := 0)
is
begin
Aux.Get (File, Long_Long_Float (Item), Width);
exception
when Constraint_Error => raise Data_Error;
end Get;
procedure Get
(Item : out Num;
Width : in Field := 0)
is
begin
Aux.Get (Current_In, Long_Long_Float (Item), Width);
exception
when Constraint_Error => raise Data_Error;
end Get;
procedure Get
(From : in String;
Item : out Num;
Last : out Positive)
is
begin
Aux.Gets (From, Long_Long_Float (Item), Last);
exception
when Constraint_Error => raise Data_Error;
end Get;
---------
-- Put --
---------
procedure Put
(File : in File_Type;
Item : in Num;
Fore : in Field := Default_Fore;
Aft : in Field := Default_Aft;
Exp : in Field := Default_Exp)
is
begin
Aux.Put (File, Long_Long_Float (Item), Fore, Aft, Exp);
end Put;
procedure Put
(Item : in Num;
Fore : in Field := Default_Fore;
Aft : in Field := Default_Aft;
Exp : in Field := Default_Exp)
is
begin
Aux.Put (Current_Out, Long_Long_Float (Item), Fore, Aft, Exp);
end Put;
procedure Put
(To : out String;
Item : in Num;
Aft : in Field := Default_Aft;
Exp : in Field := Default_Exp)
is
begin
Aux.Puts (To, Long_Long_Float (Item), Aft, Exp);
end Put;
end Ada.Text_IO.Fixed_IO;