1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- A D A . W I D E _ T E X T _ I O . F L O A T _ I O --
9 -- Copyright (C) 1992-2006, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 with Ada.Wide_Text_IO.Float_Aux;
36 with System.WCh_Con; use System.WCh_Con;
37 with System.WCh_WtS; use System.WCh_WtS;
39 package body Ada.Wide_Text_IO.Float_IO is
41 subtype TFT is Ada.Wide_Text_IO.File_Type;
42 -- File type required for calls to routines in Aux
44 package Aux renames Ada.Wide_Text_IO.Float_Aux;
56 Aux.Get (TFT (File), Long_Long_Float (Item), Width);
59 when Constraint_Error => raise Data_Error;
67 Get (Current_Input, Item, Width);
75 S : constant String := Wide_String_To_String (From, WCEM_Upper);
76 -- String on which we do the actual conversion. Note that the method
77 -- used for wide character encoding is irrelevant, since if there is
78 -- a character outside the Standard.Character range then the call to
79 -- Aux.Gets will raise Data_Error in any case.
82 Aux.Gets (S, Long_Long_Float (Item), Last);
85 when Constraint_Error => raise Data_Error;
95 Fore : Field := Default_Fore;
96 Aft : Field := Default_Aft;
97 Exp : Field := Default_Exp)
100 Aux.Put (TFT (File), Long_Long_Float (Item), Fore, Aft, Exp);
105 Fore : Field := Default_Fore;
106 Aft : Field := Default_Aft;
107 Exp : Field := Default_Exp)
110 Put (Current_Output, Item, Fore, Aft, Exp);
114 (To : out Wide_String;
116 Aft : Field := Default_Aft;
117 Exp : Field := Default_Exp)
119 S : String (To'First .. To'Last);
122 Aux.Puts (S, Long_Long_Float (Item), Aft, Exp);
124 for J in S'Range loop
125 To (J) := Wide_Character'Val (Character'Pos (S (J)));
129 end Ada.Wide_Text_IO.Float_IO;