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Diffstat (limited to 'gcc/ada/s-imgrea.ads')
| -rw-r--r-- | gcc/ada/s-imgrea.ads | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/gcc/ada/s-imgrea.ads b/gcc/ada/s-imgrea.ads new file mode 100644 index 00000000000..234577b965a --- /dev/null +++ b/gcc/ada/s-imgrea.ads @@ -0,0 +1,73 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUNTIME COMPONENTS -- +-- -- +-- S Y S T E M . I M G _ R E A L -- +-- -- +-- S p e c -- +-- -- +-- $Revision: 1.11 $ +-- -- +-- 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. -- +-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +-- 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; |