1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- A D A . T E X T _ I O . F I X E D _ I O --
11 -- Copyright (C) 1992-1999 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
.Text_IO
.Float_Aux
;
38 package body Ada
.Text_IO
.Fixed_IO
is
40 -- Note: we use the floating-point I/O routines for input/output of
41 -- ordinary fixed-point. This works fine for fixed-point declarations
42 -- whose mantissa is no longer than the mantissa of Long_Long_Float,
43 -- and we simply consider that we have only partial support for fixed-
44 -- point types with larger mantissas (this situation will not arise on
45 -- the x86, but it will rise on machines only supporting IEEE long).
47 package Aux
renames Ada
.Text_IO
.Float_Aux
;
56 Width
: in Field
:= 0)
58 pragma Unsuppress
(Range_Check
);
61 Aux
.Get
(File
, Long_Long_Float (Item
), Width
);
64 when Constraint_Error
=> raise Data_Error
;
69 Width
: in Field
:= 0)
71 pragma Unsuppress
(Range_Check
);
74 Aux
.Get
(Current_In
, Long_Long_Float (Item
), Width
);
77 when Constraint_Error
=> raise Data_Error
;
85 pragma Unsuppress
(Range_Check
);
88 Aux
.Gets
(From
, Long_Long_Float (Item
), Last
);
91 when Constraint_Error
=> raise Data_Error
;
101 Fore
: in Field
:= Default_Fore
;
102 Aft
: in Field
:= Default_Aft
;
103 Exp
: in Field
:= Default_Exp
)
106 Aux
.Put
(File
, Long_Long_Float (Item
), Fore
, Aft
, Exp
);
111 Fore
: in Field
:= Default_Fore
;
112 Aft
: in Field
:= Default_Aft
;
113 Exp
: in Field
:= Default_Exp
)
116 Aux
.Put
(Current_Out
, Long_Long_Float (Item
), Fore
, Aft
, Exp
);
122 Aft
: in Field
:= Default_Aft
;
123 Exp
: in Field
:= Default_Exp
)
126 Aux
.Puts
(To
, Long_Long_Float (Item
), Aft
, Exp
);
129 end Ada
.Text_IO
.Fixed_IO
;