------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- A D A . T E X T _ I O . C O M P L E X _ I O -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2020, 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 -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with Ada.Text_IO.Complex_Aux; with Ada.Text_IO.Float_Aux; with System.Val_Flt; use System.Val_Flt; with System.Val_LFlt; use System.Val_LFlt; with System.Val_LLF; use System.Val_LLF; package body Ada.Text_IO.Complex_IO is use Complex_Types; package Scalar_Float is new Ada.Text_IO.Float_Aux (Float, Scan_Float); package Scalar_Long_Float is new Ada.Text_IO.Float_Aux (Long_Float, Scan_Long_Float); package Scalar_Long_Long_Float is new Ada.Text_IO.Float_Aux (Long_Long_Float, Scan_Long_Long_Float); package Aux_Float is new Ada.Text_IO.Complex_Aux (Float, Scalar_Float); package Aux_Long_Float is new Ada.Text_IO.Complex_Aux (Long_Float, Scalar_Long_Float); package Aux_Long_Long_Float is new Ada.Text_IO.Complex_Aux (Long_Long_Float, Scalar_Long_Long_Float); -- Throughout this generic body, we distinguish between the case where type -- Float is OK, where type Long_Float is OK and where type Long_Long_Float -- is needed. These boolean constants are used to test for this, such that -- only code for the relevant case is included in the instance. OK_Float : constant Boolean := Real'Base'Digits <= Float'Digits; OK_Long_Float : constant Boolean := Real'Base'Digits <= Long_Float'Digits; --------- -- Get -- --------- procedure Get (File : File_Type; Item : out Complex; Width : Field := 0) is Real_Item : Real'Base; Imag_Item : Real'Base; begin if OK_Float then Aux_Float.Get (File, Float (Real_Item), Float (Imag_Item), Width); elsif OK_Long_Float then Aux_Long_Float.Get (File, Long_Float (Real_Item), Long_Float (Imag_Item), Width); else Aux_Long_Long_Float.Get (File, Long_Long_Float (Real_Item), Long_Long_Float (Imag_Item), Width); end if; Item := (Real_Item, Imag_Item); exception when Constraint_Error => raise Data_Error; end Get; --------- -- Get -- --------- procedure Get (Item : out Complex; Width : Field := 0) is begin Get (Current_In, Item, Width); end Get; --------- -- Get -- --------- procedure Get (From : String; Item : out Complex; Last : out Positive) is Real_Item : Real'Base; Imag_Item : Real'Base; begin if OK_Float then Aux_Float.Gets (From, Float (Real_Item), Float (Imag_Item), Last); elsif OK_Long_Float then Aux_Long_Float.Gets (From, Long_Float (Real_Item), Long_Float (Imag_Item), Last); else Aux_Long_Long_Float.Gets (From, Long_Long_Float (Real_Item), Long_Long_Float (Imag_Item), Last); end if; Item := (Real_Item, Imag_Item); exception when Data_Error => raise Constraint_Error; end Get; --------- -- Put -- --------- procedure Put (File : File_Type; Item : Complex; Fore : Field := Default_Fore; Aft : Field := Default_Aft; Exp : Field := Default_Exp) is begin if OK_Float then Aux_Float.Put (File, Float (Re (Item)), Float (Im (Item)), Fore, Aft, Exp); elsif OK_Long_Float then Aux_Long_Float.Put (File, Long_Float (Re (Item)), Long_Float (Im (Item)), Fore, Aft, Exp); else Aux_Long_Long_Float.Put (File, Long_Long_Float (Re (Item)), Long_Long_Float (Im (Item)), Fore, Aft, Exp); end if; end Put; --------- -- Put -- --------- procedure Put (Item : Complex; Fore : Field := Default_Fore; Aft : Field := Default_Aft; Exp : Field := Default_Exp) is begin Put (Current_Out, Item, Fore, Aft, Exp); end Put; --------- -- Put -- --------- procedure Put (To : out String; Item : Complex; Aft : Field := Default_Aft; Exp : Field := Default_Exp) is begin if OK_Float then Aux_Float.Puts (To, Float (Re (Item)), Float (Im (Item)), Aft, Exp); elsif OK_Long_Float then Aux_Long_Float.Puts (To, Long_Float (Re (Item)), Long_Float (Im (Item)), Aft, Exp); else Aux_Long_Long_Float.Puts (To, Long_Long_Float (Re (Item)), Long_Long_Float (Im (Item)), Aft, Exp); end if; end Put; end Ada.Text_IO.Complex_IO;