1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- A D A . T E X T _ I O . F L O A T _ A U X --
9 -- Copyright (C) 1992-2024, 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 3, 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. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 with Ada
.Text_IO
.Generic_Aux
; use Ada
.Text_IO
.Generic_Aux
;
34 with System
.Img_Util
; use System
.Img_Util
;
36 package body Ada
.Text_IO
.Float_Aux
is
47 Buf
: String (1 .. Field
'Last);
49 Ptr
: aliased Integer;
53 Load_Width
(File
, Width
, Buf
, Stop
);
54 String_Skip
(Buf
, Ptr
);
56 Load_Real
(File
, Buf
, Stop
);
60 Item
:= Scan
(Buf
, Ptr
'Access, Stop
);
61 Check_End_Of_Field
(Buf
, Stop
, Ptr
, Width
);
73 Pos
: aliased Integer;
76 String_Skip
(From
, Pos
);
77 Item
:= Scan
(From
, Pos
'Access, From
'Last);
81 when Constraint_Error
=> raise Data_Error
;
95 Buf
: String (1 .. Max_Real_Image_Length
);
99 Set_Image
(Item
, Buf
, Ptr
, Fore
, Aft
, Exp
);
100 Put_Item
(File
, Buf
(1 .. Ptr
));
113 Buf
: String (1 .. Max_Real_Image_Length
);
117 Set_Image
(Item
, Buf
, Ptr
, Fore
=> 1, Aft
=> Aft
, Exp
=> Exp
);
119 if Ptr
> To
'Length then
123 for J
in 1 .. Ptr
loop
124 To
(To
'Last - Ptr
+ J
) := Buf
(J
);
127 for J
in To
'First .. To
'Last - Ptr
loop
133 end Ada
.Text_IO
.Float_Aux
;