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(* RealInOut.def provides a compatible RealInOut PIM 234 module.
Copyright (C) 2004-2023 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
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
<http://www.gnu.org/licenses/>. *)
DEFINITION MODULE RealInOut ;
EXPORT QUALIFIED SetNoOfDecimalPlaces,
ReadReal, WriteReal, WriteRealOct,
ReadLongReal, WriteLongReal, WriteLongRealOct,
ReadShortReal, WriteShortReal, WriteShortRealOct,
Done ;
CONST
DefaultDecimalPlaces = 6 ;
VAR
Done: BOOLEAN ;
(*
SetNoOfDecimalPlaces - number of decimal places WriteReal and
WriteLongReal should emit. This procedure
can be used to override the default
DefaultDecimalPlaces constant.
*)
PROCEDURE SetNoOfDecimalPlaces (places: CARDINAL) ;
(*
ReadReal - reads a real number, legal syntaxes include:
100, 100.0, 100e0, 100E0, 100E-1, E2, +1E+2, 1e+2
*)
PROCEDURE ReadReal (VAR x: REAL) ;
(*
WriteReal - writes a real to the terminal. The real number
is right justified and, n, is the minimum field
width.
*)
PROCEDURE WriteReal (x: REAL; n: CARDINAL) ;
(*
WriteRealOct - writes the real to terminal in octal words.
*)
PROCEDURE WriteRealOct (x: REAL) ;
(*
ReadLongReal - reads a LONGREAL number, legal syntaxes include:
100, 100.0, 100e0, 100E0, 100E-1, E2, +1E+2, 1e+2
*)
PROCEDURE ReadLongReal (VAR x: LONGREAL) ;
(*
WriteLongReal - writes a LONGREAL to the terminal. The real number
is right justified and, n, is the minimum field
width.
*)
PROCEDURE WriteLongReal (x: LONGREAL; n: CARDINAL) ;
(*
WriteLongRealOct - writes the LONGREAL to terminal in octal words.
*)
PROCEDURE WriteLongRealOct (x: LONGREAL) ;
(*
ReadShortReal - reads a SHORTREAL number, legal syntaxes include:
100, 100.0, 100e0, 100E0, 100E-1, E2, +1E+2, 1e+2
*)
PROCEDURE ReadShortReal (VAR x: SHORTREAL) ;
(*
WriteShortReal - writes a SHORTREAL to the terminal. The real number
is right justified and, n, is the minimum field
width.
*)
PROCEDURE WriteShortReal (x: SHORTREAL; n: CARDINAL) ;
(*
WriteShortRealOct - writes the SHORTREAL to terminal in octal words.
*)
PROCEDURE WriteShortRealOct (x: SHORTREAL) ;
END RealInOut.
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