Octave Control package bug ?

On Sunday, 6 September 2020, Parameshwara Bhat <[email protected]> wrote:

> On Thursday, 3 September, 2020 9:16:41 AM IST Doug Stewart wrote:
> > On Wed, Sep 2, 2020 at 10:01 PM Parameshwara Bhat <[email protected]>
> wrote:
> >
> > > On Tuesday, 1 September, 2020 12:31:25 AM IST Torsten Lilge wrote:
> > > > On Mon, 2020-08-31 at 13:42 +0530, Parameshwara Bhat wrote:
> > > > > Hello All,
> > > > >
> > > > > I am not able to generate pzmap OR bode OR nyquist. I receive
> error,
> > > > >
> > > > > "error: __zero__: function called with too many inputs
> > > > > error: called from
> > > > >     __zero__
> > > > >     zero at line 140 column 23
> > > > >     __frequency_vector__>__frequency_range__ at line 111 column 7
> > > > >     __frequency_vector__ at line 52 column 26
> > > > >     __frequency_response__ at line 98 column 7
> > > > >     bode at line 66 column 20"
> > > > >
> > > > > This error I receive even if I give the exact demo commands for the
> > > > > functions from the Documentation,like
> > > > >
> > > > > "s=tf('s');
> > > > >  g=1/(s+1);
> > > > >  pzmap(g); "
> > > > >
> > > > > I am running control package,"control *|        3.2.0 |
> > > > > /usr/share/octave/packages/control-3.2.0" (output line from ver)
> > > > >
> > > > > I think it is a bug. But the package is one year old and should be
> > > > > tested and stable. Am I missing something ?
> > > > >
> > > > > Thanks all in advance.
> > > > >
> > > > > P Bhat
> > > >
> > > > Your example with pzmap, bode, or nyquist works for me. What are the
> > > > results of
> > > >
> > > >     pkg test control
> > > >
> > > > on your system?
> > > >
> > > > Torsten
> > > >
> > > I am attaching the log file fntest.log.
> > >
> > > There are failures. This package was installed from Manjaro repository
> > > (AUR built).
> > >
> > > What options to correct ?
> > >
> > > Parameshwara.
> > >
> >
> > To help us debug this try
> > which   __zero__
> > and show us the results.
> >
> 'which  _zero_'  outputs nothing, as below.
>      *
>
>      *  ">> pkg load control
>      *  >> which _zero_
>      *  >> pkg unload control
>      *  >> which _zero_
>      *  >>"
>
> Parameshwara.
>

Try again but this time with TWO underscores each side of the zero:

 __zero__

Cheers... Ian