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Path: utzoo!linus!decvax!harpo!seismo!hao!hplabs!sdcrdcf!trw-unix!trwspp!urban
From: urban@trwspp.UUCP
Newsgroups: net.bugs.usg
Subject: USG graphics bugs
Message-ID: <209@trwspp.UUCP>
Date: Thu, 5-Jan-84 12:23:19 EST
Article-I.D.: trwspp.209
Posted: Thu Jan  5 12:23:19 1984
Date-Received: Sun, 8-Jan-84 04:46:48 EST
Sender: news@trwspp.UUCP
Organization: T R W, Redondo Beach, CA
Lines: 9


   The gtop program (and the hpd device driver which I
mined for another device) uses a routine called 'devarc' to
compute a center and radius for an arc given three points.
This routine core-dumps (division by 0) if the points are
collinear (which happens in thin slices generated by "pie"
sometimes).  This should be fixed to draw a line between
the points, of course.

	Mike