1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- A D A . W I D E _ T E X T _ I O . F L O A T _ I O --
11 -- Copyright (C) 1992-2000 Free Software Foundation, Inc. --
13 -- GNAT is free software; you can redistribute it and/or modify it under --
14 -- terms of the GNU General Public License as published by the Free Soft- --
15 -- ware Foundation; either version 2, or (at your option) any later ver- --
16 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
17 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
18 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
19 -- for more details. You should have received a copy of the GNU General --
20 -- Public License distributed with GNAT; see file COPYING. If not, write --
21 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
22 -- MA 02111-1307, USA. --
24 -- As a special exception, if other files instantiate generics from this --
25 -- unit, or you link this unit with other files to produce an executable, --
26 -- this unit does not by itself cause the resulting executable to be --
27 -- covered by the GNU General Public License. This exception does not --
28 -- however invalidate any other reasons why the executable file might be --
29 -- covered by the GNU Public License. --
31 -- GNAT was originally developed by the GNAT team at New York University. --
32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
34 ------------------------------------------------------------------------------
36 with Ada.Wide_Text_IO.Float_Aux;
37 with System.WCh_Con; use System.WCh_Con;
38 with System.WCh_WtS; use System.WCh_WtS;
40 package body Ada.Wide_Text_IO.Float_IO is
42 subtype TFT is Ada.Wide_Text_IO.File_Type;
43 -- File type required for calls to routines in Aux
45 package Aux renames Ada.Wide_Text_IO.Float_Aux;
54 Width : in Field := 0)
57 Aux.Get (TFT (File), Long_Long_Float (Item), Width);
60 when Constraint_Error => raise Data_Error;
65 Width : in Field := 0)
68 Get (Current_Input, Item, Width);
72 (From : in Wide_String;
76 S : constant String := Wide_String_To_String (From, WCEM_Upper);
77 -- String on which we do the actual conversion. Note that the method
78 -- used for wide character encoding is irrelevant, since if there is
79 -- a character outside the Standard.Character range then the call to
80 -- Aux.Gets will raise Data_Error in any case.
83 Aux.Gets (S, Long_Long_Float (Item), Last);
86 when Constraint_Error => raise Data_Error;
96 Fore : in Field := Default_Fore;
97 Aft : in Field := Default_Aft;
98 Exp : in Field := Default_Exp)
101 Aux.Put (TFT (File), Long_Long_Float (Item), Fore, Aft, Exp);
106 Fore : in Field := Default_Fore;
107 Aft : in Field := Default_Aft;
108 Exp : in Field := Default_Exp)
111 Put (Current_Output, Item, Fore, Aft, Exp);
115 (To : out Wide_String;
117 Aft : in Field := Default_Aft;
118 Exp : in Field := Default_Exp)
120 S : String (To'First .. To'Last);
123 Aux.Puts (S, Long_Long_Float (Item), Aft, Exp);
125 for J in S'Range loop
126 To (J) := Wide_Character'Val (Character'Pos (S (J)));
130 end Ada.Wide_Text_IO.Float_IO;