[Rd] hang-up with log="x" and segments (PR#1030)

[Paul Murrell]

Hi


> > I experienced the following problem with R 1.3.0 which is probably a
> > bug. The program hangs-up if 1.) a coordinate of segments is outside the
> > ploting region and 2.) the option log="x" is used.
> >
> > ##
> > ## works fine
> > ##
> > plot(1,1, xlim=c(0.5, 2), ylim=c(0.5, 2))
> > segments(0.5 , 1.2, 1, 0.6)
> > segments(0.25, 1.2, 1, 0.6)
> > segments(1   , 1.2, 1, 0.6)
> >
> > ##
> > ## hang-up
> > ##
> > plot(1,1, xlim=c(0.5, 2), ylim=c(0.5, 2), log="x")
> > segments(0.5 , 1.2, 1, 0.6)
> > segments(0.25, 1.2, 1, 0.6)
> > segments(1   , 1.2, 1, 0.6)
>
> Confirmed on Linux, but seems to have disappeared in the patched
> version. Not sure what caused the fix, though... My guess would be
> that it is this change in CSclipline:


Yep, that went in during the fix-so-far to bug#997.

Paul


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