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Modula Definition | 1987-06-27 | 727 b | 30 lines |
- DEFINITION MODULE RealInOut;
-
- (* (C) Copyright 1987 Fitted Software Tools. All rights reserved. *)
-
- (*
- This module is an extension of InOut and provides routines
- for reading and writing REAL numbers.
-
- This module does its I/O thru InOut.
- *)
-
- VAR Done :BOOLEAN;
-
- PROCEDURE ReadReal( VAR x :REAL );
- (*
- reads a string.
- the string is then converted to a REAL which is returned in x.
-
- a real in the format defined for Modula-2 REAL literals is expected
-
- Done is set to TRUE if a valid REAL number is read.
- *)
-
- PROCEDURE WriteReal( x: REAL; n: CARDINAL );
- (*
- x is written in scientific notation, right justified in a field
- of at least n characters.
- *)
-
- END RealInOut.