Path: utzoo!attcan!uunet!cs.utexas.edu!mailrus!ncar!ico!ism780c!news
From: news@ism780c.isc.com (News system)
Newsgroups: comp.lang.c
Subject: Re: C style peeve and knowing the rules
Message-ID: <40658@ism780c.isc.com>
Date: 27 Mar 90 03:18:15 GMT
References: <2205@osc.COM> <340018@hplvli.HP.COM> <19356@megaron.cs.arizona.edu>
Reply-To: marv@ism780.UUCP (Marvin Rubenstein)
Organization: Interactive Systems Corp., Santa Monica CA
Lines: 16

In article <19356@megaron.cs.arizona.edu> robert@cs.arizona.edu (Robert J. Drabek) writes:
>I require my students to use the absolute minimum number of parenthesis
>until they have ALL the rules down pat.

I would hope you don't fault your students for writing:

      x = a << (i+j);

Here is what Dennis Ritchie says in "The C programming Language, The Bell
System Technical Journal, July-August 1978" under the heading "Unfavorable
experiences":

    There are some occasionally suprising operator precedences.  For
    example a >> 4 + 5 shifts right by 9.

   Marv Rubinstein