home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
SPACE 1
/
SPACE - Library 1 - Volume 1.iso
/
program
/
356
/
defs
/
convertr.def
< prev
next >
Wrap
Text File
|
1992-03-11
|
2KB
|
59 lines
DEFINITION MODULE ConvertReal;
(* File name: ConvertReal.def *)
(* Creation : Orginal Montan File *)
(* Function : Change Real to String and String to Real *)
(* By : Philip E. Rosine *)
(* *)
(*
* Copyright (c) 1985, 1986 by
* Djavaheri Bros., Foster City, California.
* All Rights Reserved.
*
* This software is furnished under a license and may be used and copied
* only in accordance with the terms of such license and with the
* inclusion of the above copyright notice. This software or any other
* copies thereof may not be provided or otherwise made available to any
* other person. No title to and ownership of the software is herby
* transferred.
*
* The information in this software is subject to change without notice
* and should not be construed as a commitment by Djavaheri Bros. No
* warranty is implied or expressed.
*
* SCCID = "1.1 1/26/86";
*)
(* History of modifcation *)
(* Date Who Why *)
(* 7/18/85 Morris Changes for BSL *)
(* *)
(* as defined by Wirth,1983, pp104-5
entered by Philip E. Rosine
25 Nov 83 *)
EXPORT QUALIFIED RealToStr, StrToReal;
PROCEDURE StrToReal( VAR str : ARRAY OF CHAR;
VAR real : REAL;
VAR success : BOOLEAN);
(* Read REAL number x according to syntax:
["+"|"-"]digit{digit}["."digit{digit}]["E"["+"|"-"]digit[digit]]
Done := "a number was read".
At most 7 digits are significant, leading zeroes not
counting. Maximum exponent is 38. Input terminates
with a blank or any control character. DEL is used for
backspacing. *)
PROCEDURE RealToStr( real : REAL;
VAR str : ARRAY OF CHAR;
width : CARDINAL;
decPlaces : CARDINAL;
VAR success :BOOLEAN );
(* Write x using n characters. If fewer than n
characters are needed, leading blanks are inserted. *)
END ConvertReal.