1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- A D A . 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.Text_IO.Float_Aux;
36 package body Ada.Text_IO.Float_IO is
38 package Aux renames Ada.Text_IO.Float_Aux;
49 pragma Unsuppress (Range_Check);
52 Aux.Get (File, Long_Long_Float (Item), Width);
54 -- In the case where the type is unconstrained (e.g. Standard'Float),
55 -- the above conversion may result in an infinite value, which is
56 -- normally fine for a conversion, but in this case, we want to treat
57 -- that as a data error.
59 if not Item'Valid then
64 when Constraint_Error => raise Data_Error;
71 pragma Unsuppress (Range_Check);
74 Aux.Get (Current_In, Long_Long_Float (Item), Width);
76 -- In the case where the type is unconstrained (e.g. Standard'Float),
77 -- the above conversion may result in an infinite value, which is
78 -- normally fine for a conversion, but in this case, we want to treat
79 -- that as a data error.
81 if not Item'Valid then
86 when Constraint_Error => raise Data_Error;
94 pragma Unsuppress (Range_Check);
97 Aux.Gets (From, Long_Long_Float (Item), Last);
99 -- In the case where the type is unconstrained (e.g. Standard'Float),
100 -- the above conversion may result in an infinite value, which is
101 -- normally fine for a conversion, but in this case, we want to treat
102 -- that as a data error.
104 if not Item'Valid then
109 when Constraint_Error => raise Data_Error;
119 Fore : Field := Default_Fore;
120 Aft : Field := Default_Aft;
121 Exp : Field := Default_Exp)
124 Aux.Put (File, Long_Long_Float (Item), Fore, Aft, Exp);
129 Fore : Field := Default_Fore;
130 Aft : Field := Default_Aft;
131 Exp : Field := Default_Exp)
134 Aux.Put (Current_Out, Long_Long_Float (Item), Fore, Aft, Exp);
140 Aft : Field := Default_Aft;
141 Exp : Field := Default_Exp)
144 Aux.Puts (To, Long_Long_Float (Item), Aft, Exp);
147 end Ada.Text_IO.Float_IO;