Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!munnari.oz.au!bruce!monu1!eln272v
From: eln272v@monu1.cc.monash.oz (    r    lang)
Newsgroups: comp.binaries.ibm.pc.d
Subject: Re: GnuPlot 2.0 bug?
Summary: bug fixed in patch 1
Keywords: gnu bug emm spam
Message-ID: <4718@monu1.cc.monash.oz>
Date: 26 Sep 90 23:26:54 GMT
References: <LQL%A9@rpi.edu>
Distribution: comp
Organization: Dept. Electrical & Computer Systems Engineering, Monash University
Lines: 26

In article <LQL%A9@rpi.edu>, sigma@pawl.rpi.edu (Kevin J Martin) writes:
> Has anyone else had the following problem with GnuPlot 2.0?  If I attempt to
> do a 'replot' command after a 'plot' (in order to get more than one plot on-
> screen at the same time), I get part of the axes drawn, followed by a
> Protection Exception 12 from QEMM/386


> The program works fine on a PS/2 Model 50Z (mine is a 386/33 compatible,
> running QEMM with 1216K of expanded memory in use by a disk cache).  Does
> anyone know of: 1) an explanation for this problem, 
You don't have a coprocessor, so Turbo C used the floating point emulation
routines.  These used slightly more stack space and overflowed the stack,
hence the Protection Exception you reported.

> 2) a workaround for this problem, 
Use it on a PC with a coprocessor, or don't use replot :-)

> or 3) a newer version of GnuPlot (I currently have patchlevel zero for 2.0)?
Patchlevel 1 was released this week, and this bug is fixed.
See the announcement in comp.sources.bugs.


-- 
Russell Lang   Email: rjl@monu1.cc.monash.edu.au   Phone: (03) 565 3460
Department of Electrical and Computer Systems Engineering
Monash University, Australia