From: "Peter Lewerin" <peter DOT lewerin AT krax DOT pp DOT se>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Thanks, HELP! mouse problems
Date: 18 May 1997 13:21:56 GMT
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A. Sinan Unur <asu1 AT cornell DOT edu> skrev i inlägg
<337E0EE4 DOT 1DB7F3F2 AT cornell DOT edu>...
> >   if ((mouse_b & 1) & (mouse_x > fx) & (mouse_x < lx) & (mouse_y > fy)
& (mouse_y < ly))
> 
> no. the problem is that you are using bitwise and rather than logical
> and. replace the &'s with &&'s.

In this particular case it doesn't make any difference, as all the operands
will have values of either 1 or 0, and the precedence difference is taken
care of by the parentheses.

It would be better to use logical ands, but it's not the problem.