[Octave-bug-tracker] [bug #56793] surf() fails with "Illegal instruction" error when called from batch

[Yuri]

URL:
  <https://savannah.gnu.org/bugs/?56793>

                 Summary: surf() fails with "Illegal instruction" error when
called from batch
                 Project: GNU Octave
            Submitted by: yurivict
            Submitted on: Wed 21 Aug 2019 08:45:23 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.1.0
        Operating System: BSD

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Details:

How to reproduce:
1. Create a file x.m with these lines:
xd=linspace(-1,1);
yd=linspace(0,2*pi);
[x,y]=meshgrid(xd,yd);
z=x.*cos(y);
surf(x,y,z)

2. Run the command: octave x.m:
$ octave y.m
Illegal instruction

The same lines work fine when typed into the GUI version of octave.

It briefly shows the window before failing.

octave-5.1.0_6 installed from the FreeBSD package on FreeBSD 12 amd64.






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