------------------------------------------------------------------------------
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--                         GNAT RUNTIME COMPONENTS                          --
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--                      S Y S T E M . I M G _ R E A L                       --
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------------------------------------------------------------------------------

--  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;
      S    : access String;
      Aft  : Natural)
      return Natural;
   --  Computes the image of V and stores the resulting string in S (1 .. N)
   --  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_Decimal for handling of decimal fixed-point). The caller
   --  guarantees that the string is long enough.

   function Image_Floating_Point
     (V    : Long_Long_Float;
      S    : access String;
      Digs : Natural)
      return Natural;
   --  Computes the image of V and stores the resulting string in S (1 .. N)
   --  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. The caller guarantees that the string is long enough.

   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 beraised 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;
