+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUNTIME COMPONENTS --
--- --
--- S Y S T E M . I M G _ D E C --
--- --
--- S p e c --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2000 Free Software Foundation, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- Image for decimal fixed types where the size of the corresponding integer
--- type does not exceed Integer'Size (also used for Text_IO.Decimal_IO output)
-
-package System.Img_Dec is
-pragma Preelaborate (Img_Dec);
-
- function Image_Decimal
- (V : Integer;
- Scale : Integer)
- return String;
- -- Compute 'Image of V, the integer value (in units of delta) of a decimal
- -- type whose Scale is as given and return the result. THe image is given
- -- by the rules in RM 3.5(34) for fixed-point type image functions.
-
- procedure Set_Image_Decimal
- (V : Integer;
- S : out String;
- P : in out Natural;
- Scale : Integer;
- Fore : Natural;
- Aft : Natural;
- Exp : Natural);
- -- Sets the image of V, where V is the integer value (in units of delta)
- -- of a decimal type with the given Scale, starting at S (P + 1), updating
- -- P to point to the last character stored, the caller promises that the
- -- buffer is large enough and no check is made for this. Constraint_Error
- -- will not necessarily be raised if this requirement is violated, since
- -- it is perfectly valid to compile this unit with checks off. The Fore,
- -- Aft and Exp values can be set to any valid values for the case of use
- -- by Text_IO.Decimal_IO.
-
- procedure Set_Decimal_Digits
- (Digs : in out String;
- NDigs : Natural;
- S : out String;
- P : in out Natural;
- Scale : Integer;
- Fore : Natural;
- Aft : Natural;
- Exp : Natural);
- -- This procedure has the same semantics as Set_Image_Decimal, except that
- -- the value in Digs (1 .. NDigs) is given as a string of decimal digits
- -- preceded by either a minus sign or a space (i.e. the integer image of
- -- the value in units of delta). The call may destroy the value in Digs,
- -- which is why Digs is in-out (this happens if rounding is required).
- -- Set_Decimal_Digits is shared by all the decimal image routines.
-
-end System.Img_Dec;
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