gcc/ada/s-imglld.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --                       S Y S T E M . I M G _ L L D                        --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --                            $Revision: 1.7 $                              --
  10 --                                                                          --
  11 --   Copyright (C) 1992,1993,1994,1995,1996 Free Software Foundation, Inc.  --
  12 --                                                                          --
  13 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  14 -- terms of the  GNU General Public License as published  by the Free Soft- --
  15 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  16 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  17 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  18 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  19 -- for  more details.  You should have  received  a copy of the GNU General --
  20 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  21 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  22 -- MA 02111-1307, USA.                                                      --
  23 --                                                                          --
  24 -- As a special exception,  if other files  instantiate  generics from this --
  25 -- unit, or you link  this unit with other files  to produce an executable, --
  26 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  27 -- covered  by the  GNU  General  Public  License.  This exception does not --
  28 -- however invalidate  any other reasons why  the executable file  might be --
  29 -- covered by the  GNU Public License.                                      --
  30 --                                                                          --
  31 -- GNAT was originally developed  by the GNAT team at  New York University. --
  32 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  33 --                                                                          --
  34 ------------------------------------------------------------------------------
  35
  36 with System.Img_Dec; use System.Img_Dec;
  37 with System.Img_LLI; use System.Img_LLI;
  38
  39 package body System.Img_LLD is
  40
  41    -----------------------------
  42    -- Image_Long_Long_Decimal --
  43    -----------------------------
  44
  45    function Image_Long_Long_Decimal
  46      (V     : Long_Long_Integer;
  47       Scale : Integer)
  48       return  String
  49    is
  50       P : Natural := 0;
  51       S : String (1 .. 64);
  52
  53    begin
  54       Set_Image_Long_Long_Decimal
  55         (V, S, P, Scale, 1, Integer'Max (1, Scale), 0);
  56
  57       --  Mess around to make sure we have the objectionable space at the
  58       --  start for positive numbers in accordance with the annoying rules!
  59
  60       if S (1) /= ' ' and then S (1) /= '-' then
  61          S (2 .. P + 1) := S (1 .. P);
  62          S (1) := ' ';
  63          return S (1 .. P + 1);
  64       else
  65          return S (1 .. P);
  66       end if;
  67    end Image_Long_Long_Decimal;
  68
  69    ---------------------------------
  70    -- Set_Image_Long_Long_Decimal --
  71    ---------------------------------
  72
  73    procedure Set_Image_Long_Long_Decimal
  74      (V     : Long_Long_Integer;
  75       S     : out String;
  76       P     : in out Natural;
  77       Scale : Integer;
  78       Fore  : Natural;
  79       Aft   : Natural;
  80       Exp   : Natural)
  81    is
  82       Digs : String := Image_Long_Long_Integer (V);
  83       --  Sign and digits of decimal value
  84
  85    begin
  86       Set_Decimal_Digits (Digs, Digs'Length, S, P, Scale, Fore, Aft, Exp);
  87    end Set_Image_Long_Long_Decimal;
  88
  89 end System.Img_LLD;