146 lines
5 KiB
Ada
146 lines
5 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- GNAT RUN-TIME COMPONENTS --
|
|
-- --
|
|
-- A D A . T E X T _ I O . F L O A T _ I O --
|
|
-- --
|
|
-- B o d y --
|
|
-- --
|
|
-- Copyright (C) 1992-2009, 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 3, 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. --
|
|
-- --
|
|
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
|
-- additional permissions described in the GCC Runtime Library Exception, --
|
|
-- version 3.1, as published by the Free Software Foundation. --
|
|
-- --
|
|
-- You should have received a copy of the GNU General Public License and --
|
|
-- a copy of the GCC Runtime Library Exception along with this program; --
|
|
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
|
-- <http://www.gnu.org/licenses/>. --
|
|
-- --
|
|
-- GNAT was originally developed by the GNAT team at New York University. --
|
|
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
|
-- --
|
|
------------------------------------------------------------------------------
|
|
|
|
with Ada.Text_IO.Float_Aux;
|
|
|
|
package body Ada.Text_IO.Float_IO is
|
|
|
|
package Aux renames Ada.Text_IO.Float_Aux;
|
|
|
|
---------
|
|
-- Get --
|
|
---------
|
|
|
|
procedure Get
|
|
(File : File_Type;
|
|
Item : out Num;
|
|
Width : Field := 0)
|
|
is
|
|
pragma Unsuppress (Range_Check);
|
|
|
|
begin
|
|
Aux.Get (File, Long_Long_Float (Item), Width);
|
|
|
|
-- In the case where the type is unconstrained (e.g. Standard'Float),
|
|
-- the above conversion may result in an infinite value, which is
|
|
-- normally fine for a conversion, but in this case, we want to treat
|
|
-- that as a data error.
|
|
|
|
if not Item'Valid then
|
|
raise Data_Error;
|
|
end if;
|
|
|
|
exception
|
|
when Constraint_Error => raise Data_Error;
|
|
end Get;
|
|
|
|
procedure Get
|
|
(Item : out Num;
|
|
Width : Field := 0)
|
|
is
|
|
pragma Unsuppress (Range_Check);
|
|
|
|
begin
|
|
Aux.Get (Current_In, Long_Long_Float (Item), Width);
|
|
|
|
-- In the case where the type is unconstrained (e.g. Standard'Float),
|
|
-- the above conversion may result in an infinite value, which is
|
|
-- normally fine for a conversion, but in this case, we want to treat
|
|
-- that as a data error.
|
|
|
|
if not Item'Valid then
|
|
raise Data_Error;
|
|
end if;
|
|
|
|
exception
|
|
when Constraint_Error => raise Data_Error;
|
|
end Get;
|
|
|
|
procedure Get
|
|
(From : String;
|
|
Item : out Num;
|
|
Last : out Positive)
|
|
is
|
|
pragma Unsuppress (Range_Check);
|
|
|
|
begin
|
|
Aux.Gets (From, Long_Long_Float (Item), Last);
|
|
|
|
-- In the case where the type is unconstrained (e.g. Standard'Float),
|
|
-- the above conversion may result in an infinite value, which is
|
|
-- normally fine for a conversion, but in this case, we want to treat
|
|
-- that as a data error.
|
|
|
|
if not Item'Valid then
|
|
raise Data_Error;
|
|
end if;
|
|
|
|
exception
|
|
when Constraint_Error => raise Data_Error;
|
|
end Get;
|
|
|
|
---------
|
|
-- Put --
|
|
---------
|
|
|
|
procedure Put
|
|
(File : File_Type;
|
|
Item : Num;
|
|
Fore : Field := Default_Fore;
|
|
Aft : Field := Default_Aft;
|
|
Exp : Field := Default_Exp)
|
|
is
|
|
begin
|
|
Aux.Put (File, Long_Long_Float (Item), Fore, Aft, Exp);
|
|
end Put;
|
|
|
|
procedure Put
|
|
(Item : Num;
|
|
Fore : Field := Default_Fore;
|
|
Aft : Field := Default_Aft;
|
|
Exp : Field := Default_Exp)
|
|
is
|
|
begin
|
|
Aux.Put (Current_Out, Long_Long_Float (Item), Fore, Aft, Exp);
|
|
end Put;
|
|
|
|
procedure Put
|
|
(To : out String;
|
|
Item : Num;
|
|
Aft : Field := Default_Aft;
|
|
Exp : Field := Default_Exp)
|
|
is
|
|
begin
|
|
Aux.Puts (To, Long_Long_Float (Item), Aft, Exp);
|
|
end Put;
|
|
|
|
end Ada.Text_IO.Float_IO;
|