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                                  --
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   9 --   Copyright (C) 1992,1993,1994,1995,1996 Free Software Foundation, Inc.  --
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  20 -- MA 02111-1307, USA.                                                      --
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  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
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  27 -- covered by the  GNU Public License.                                      --
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  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 with Ada.Text_IO;
  35
  36 with Ada.Text_IO.Complex_Aux;
  37
  38 package body Ada.Text_IO.Complex_IO is
  39
  40    package Aux renames Ada.Text_IO.Complex_Aux;
  41
  42    subtype LLF is Long_Long_Float;
  43    --  Type used for calls to routines in Aux
  44
  45    ---------
  46    -- Get --
  47    ---------
  48
  49    procedure Get
  50      (File  : in  File_Type;
  51       Item  : out Complex_Types.Complex;
  52       Width : in  Field := 0)
  53    is
  54       Real_Item  : Real'Base;
  55       Imag_Item  : Real'Base;
  56
  57    begin
  58       Aux.Get (File, LLF (Real_Item), LLF (Imag_Item), Width);
  59       Item := (Real_Item, Imag_Item);
  60
  61    exception
  62       when Constraint_Error => raise Data_Error;
  63    end Get;
  64
  65    ---------
  66    -- Get --
  67    ---------
  68
  69    procedure Get
  70      (Item  : out Complex_Types.Complex;
  71       Width : in  Field := 0)
  72    is
  73    begin
  74       Get (Current_In, Item, Width);
  75    end Get;
  76
  77    ---------
  78    -- Get --
  79    ---------
  80
  81    procedure Get
  82      (From : in  String;
  83       Item : out Complex_Types.Complex;
  84       Last : out Positive)
  85    is
  86       Real_Item : Real'Base;
  87       Imag_Item : Real'Base;
  88
  89    begin
  90       Aux.Gets (From, LLF (Real_Item), LLF (Imag_Item), Last);
  91       Item := (Real_Item, Imag_Item);
  92
  93    exception
  94       when Data_Error => raise Constraint_Error;
  95    end Get;
  96
  97    ---------
  98    -- Put --
  99    ---------
 100
 101    procedure Put
 102      (File : in File_Type;
 103       Item : in Complex_Types.Complex;
 104       Fore : in Field := Default_Fore;
 105       Aft  : in Field := Default_Aft;
 106       Exp  : in Field := Default_Exp)
 107    is
 108    begin
 109       Aux.Put (File, LLF (Re (Item)), LLF (Im (Item)), Fore, Aft, Exp);
 110    end Put;
 111
 112    ---------
 113    -- Put --
 114    ---------
 115
 116    procedure Put
 117      (Item : in Complex_Types.Complex;
 118       Fore : in Field := Default_Fore;
 119       Aft  : in Field := Default_Aft;
 120       Exp  : in Field := Default_Exp)
 121    is
 122    begin
 123       Put (Current_Out, Item, Fore, Aft, Exp);
 124    end Put;
 125
 126    ---------
 127    -- Put --
 128    ---------
 129
 130    procedure Put
 131      (To   : out String;
 132       Item : in  Complex_Types.Complex;
 133       Aft  : in  Field := Default_Aft;
 134       Exp  : in  Field := Default_Exp)
 135    is
 136    begin
 137       Aux.Puts (To, LLF (Re (Item)), LLF (Im (Item)), Aft, Exp);
 138    end Put;
 139
 140 end Ada.Text_IO.Complex_IO;