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------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- S Y S T E M . I M G _ R E A L --
-- --
-- S p e c --
-- --
-- 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 fixed and float types (also used for Float_IO/Fixed_IO output)
package System.Img_Real is
pragma Preelaborate (Img_Real);
function Image_Ordinary_Fixed_Point
(V : Long_Long_Float;
Aft : Natural)
return String;
-- Computes the image of V and returns the result according to the rules
-- for image for fixed-point types (RM 3.5(34)), where Aft is the value of
-- the Aft attribute for the fixed-point type. This function is used only
-- for ordinary fixed point (see package System.Img_Dec for handling of
-- decimal fixed-point).
function Image_Floating_Point
(V : Long_Long_Float;
Digs : Natural)
return String;
-- Computes the image of V and returns the result according to the rules
-- for image for foating-point types (RM 3.5(33)), where Digs is the value
-- of the Digits attribute for the floating-point type.
procedure Set_Image_Real
(V : Long_Long_Float;
S : out String;
P : in out Natural;
Fore : Natural;
Aft : Natural;
Exp : Natural);
-- Sets the image of V 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 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 from Text_IO.
end System.Img_Real;
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