1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--                       S Y S T E M . I M G _ L L D                        --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
10--                                                                          --
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.                                     --
17--                                                                          --
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.               --
21--                                                                          --
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/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32--  Image for decimal fixed types where the size of the corresponding integer
33--  type does exceeds Integer'Size (also used for Text_IO.Decimal_IO output)
34
35package System.Img_LLD is
36   pragma Pure;
37
38   procedure Image_Long_Long_Decimal
39     (V     : Long_Long_Integer;
40      S     : in out String;
41      P     : out Natural;
42      Scale : Integer);
43   --  Computes fixed_type'Image (V), where V is the integer value (in units of
44   --  delta) of a decimal type whose Scale is as given and store the result in
45   --  S (P + 1 .. L), updating P to the value of L. The image is given by the
46   --  rules in RM 3.5(34) for fixed-point type image functions. The caller
47   --  guarantees that S is long enough to hold the result. S need not have a
48   --  lower bound of 1.
49
50   procedure Set_Image_Long_Long_Decimal
51     (V     : Long_Long_Integer;
52      S     : in out String;
53      P     : in out Natural;
54      Scale : Integer;
55      Fore  : Natural;
56      Aft   : Natural;
57      Exp   : Natural);
58   --  Sets the image of V, where V is the integer value (in units of delta)
59   --  of a decimal type with the given Scale, starting at S (P + 1), updating
60   --  P to point to the last character stored, the caller promises that the
61   --  buffer is large enough and no check is made for this. Constraint_Error
62   --  will not necessarily be raised if this requirement is violated, since
63   --  it is perfectly valid to compile this unit with checks off. The Fore,
64   --  Aft and Exp values can be set to any valid values for the case of use
65   --  by Text_IO.Decimal_IO. Note that there is no leading space stored.
66
67end System.Img_LLD;
68