Re: [Bug-plotutils] ploututils testsuite failure on spline (i386)

[Andreas Metzler]

On 2016-04-28 "Robert S. Maier" <address@hidden> wrote:
[...]
> What's happening is this: the `make test' procedure for plotutils executes
> the `spline.test' script in the test directory, which runs the command

> echo 0 1 0.5 0.75 -0.25 0 | ../spline/spline -a -T 1 -n 120 --precision 5 -p
> >spline.out

> The output file, spline.out, is then compared against the expected output,
> which is in the file spline.xout.  They don't exactly match on your system,
> which is why the test failed.

> If you do a `diff spline.xout spline.out' to compare the two files, you'll
> see this:

> 1c1
> < 0 0
> ---
> > 0 -9.5518e-17
[...]
> The difference between -9.5518e-17 and zero (which are y-values generated by
> `spline', at the endpoints of an interpolatory range) is not a major one!

> However, this ought to be fixed in the next release.  (This numerical bug
> appears on some systems but not on others, for unknown reasons; so the
> easiest way to deal with it would be to modify the test script
> `spline.test', to ignore the first and last lines when comparing spline.out
> with spline.xout.)

Hello,

this bug has recently started appearing on Debian/unstable (i386). Do
you have a fix available somewhere? You mentioned a "next release", but
afaict plotutils is still at 2.6 and there does not seem to be a source
repository either?

TIA, cu Andreas
-- 
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