| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- S Y S T E M . I M G _ L F L T -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2021-2022, 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 3, 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. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This package contains routines for the Image attribute of fixed or floating |
| -- point types based on Long_Float, also used for Float_IO/Fixed_IO output. |
| |
| with System.Img_LLU; |
| with System.Image_R; |
| with System.Powten_LFlt; |
| with System.Unsigned_Types; |
| |
| package System.Img_LFlt is |
| pragma Pure; |
| |
| -- Note that the following instantiation is really for a 32-bit target, |
| -- where 128-bit integer types are not available. For a 64-bit targaet, |
| -- it is possible to use Long_Long_Unsigned and Long_Long_Long_Unsigned |
| -- instead of Unsigned and Long_Long_Unsigned, in order to double the |
| -- number of significant digits. But we do not do it by default to avoid |
| -- dragging 128-bit integer types for the sake of backward compatibility. |
| |
| package Impl is new Image_R |
| (Long_Float, |
| System.Powten_LFlt.Maxpow, |
| System.Powten_LFlt.Powten'Address, |
| Unsigned_Types.Long_Long_Unsigned, |
| System.Img_LLU.Set_Image_Long_Long_Unsigned); |
| |
| procedure Image_Fixed |
| (V : Long_Float; |
| S : in out String; |
| P : out Natural; |
| Aft : Natural) |
| renames Impl.Image_Fixed_Point; |
| |
| procedure Image_Long_Float |
| (V : Long_Float; |
| S : in out String; |
| P : out Natural; |
| Digs : Natural) |
| renames Impl.Image_Floating_Point; |
| |
| procedure Set_Image_Long_Float |
| (V : Long_Float; |
| S : in out String; |
| P : in out Natural; |
| Fore : Natural; |
| Aft : Natural; |
| Exp : Natural) |
| renames Impl.Set_Image_Real; |
| |
| end System.Img_LFlt; |
