gcc/ada/a-ticoio.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT RUNTIME COMPONENTS                          --
   4 --                                                                          --
   5 --               A D A . T E X T _ I O . C O M P L E X _ I O                --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --                                                                          --
  10 --   Copyright (C) 1992,1993,1994,1995,1996 Free Software Foundation, Inc.  --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- As a special exception,  if other files  instantiate  generics from this --
  24 -- unit, or you link  this unit with other files  to produce an executable, --
  25 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  26 -- covered  by the  GNU  General  Public  License.  This exception does not --
  27 -- however invalidate  any other reasons why  the executable file  might be --
  28 -- covered by the  GNU Public License.                                      --
  29 --                                                                          --
  30 -- GNAT was originally developed  by the GNAT team at  New York University. --
  31 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  32 --                                                                          --
  33 ------------------------------------------------------------------------------
  34
  35 with Ada.Text_IO;
  36
  37 with Ada.Text_IO.Complex_Aux;
  38
  39 package body Ada.Text_IO.Complex_IO is
  40
  41    package Aux renames Ada.Text_IO.Complex_Aux;
  42
  43    subtype LLF is Long_Long_Float;
  44    --  Type used for calls to routines in Aux
  45
  46    ---------
  47    -- Get --
  48    ---------
  49
  50    procedure Get
  51      (File  : in  File_Type;
  52       Item  : out Complex_Types.Complex;
  53       Width : in  Field := 0)
  54    is
  55       Real_Item  : Real'Base;
  56       Imag_Item  : Real'Base;
  57
  58    begin
  59       Aux.Get (File, LLF (Real_Item), LLF (Imag_Item), Width);
  60       Item := (Real_Item, Imag_Item);
  61
  62    exception
  63       when Constraint_Error => raise Data_Error;
  64    end Get;
  65
  66    ---------
  67    -- Get --
  68    ---------
  69
  70    procedure Get
  71      (Item  : out Complex_Types.Complex;
  72       Width : in  Field := 0)
  73    is
  74    begin
  75       Get (Current_In, Item, Width);
  76    end Get;
  77
  78    ---------
  79    -- Get --
  80    ---------
  81
  82    procedure Get
  83      (From : in  String;
  84       Item : out Complex_Types.Complex;
  85       Last : out Positive)
  86    is
  87       Real_Item : Real'Base;
  88       Imag_Item : Real'Base;
  89
  90    begin
  91       Aux.Gets (From, LLF (Real_Item), LLF (Imag_Item), Last);
  92       Item := (Real_Item, Imag_Item);
  93
  94    exception
  95       when Data_Error => raise Constraint_Error;
  96    end Get;
  97
  98    ---------
  99    -- Put --
 100    ---------
 101
 102    procedure Put
 103      (File : in File_Type;
 104       Item : in Complex_Types.Complex;
 105       Fore : in Field := Default_Fore;
 106       Aft  : in Field := Default_Aft;
 107       Exp  : in Field := Default_Exp)
 108    is
 109    begin
 110       Aux.Put (File, LLF (Re (Item)), LLF (Im (Item)), Fore, Aft, Exp);
 111    end Put;
 112
 113    ---------
 114    -- Put --
 115    ---------
 116
 117    procedure Put
 118      (Item : in Complex_Types.Complex;
 119       Fore : in Field := Default_Fore;
 120       Aft  : in Field := Default_Aft;
 121       Exp  : in Field := Default_Exp)
 122    is
 123    begin
 124       Put (Current_Out, Item, Fore, Aft, Exp);
 125    end Put;
 126
 127    ---------
 128    -- Put --
 129    ---------
 130
 131    procedure Put
 132      (To   : out String;
 133       Item : in  Complex_Types.Complex;
 134       Aft  : in  Field := Default_Aft;
 135       Exp  : in  Field := Default_Exp)
 136    is
 137    begin
 138       Aux.Puts (To, LLF (Re (Item)), LLF (Im (Item)), Aft, Exp);
 139    end Put;
 140
 141 end Ada.Text_IO.Complex_IO;