[Octave-bug-tracker] [bug #59334] [octave forge] (interval) Failing BISTs with Octave 6.0.92

[Markus Mützel]

Follow-up Comment #4, bug #59334 (project octave):

I tested with a few versions of Octave on Windows. It looks like the behavior
of `nargin` changed for Octave 5.
In Octave 4.4.1 and prior versions I checked:

>> pkg load interval

>> nargin('@infsup/inf')

error: nargin: invalid function name: @infsup/inf
>> nargin('@infsup\inf')

ans =  1


In Octave 5.2.0 and later versions I checked:

>> pkg load interval

>> nargin('@infsup/inf')

ans =  1
>> nargin('@infsup\inf')

error: nargin: invalid function name: @infsup\inf


It looks like the issue in `@infsup/fzero.m` has been fixed in the
meantime(?). In Octave 6.4.0 on Windows, I see:

>> pkg load interval

>> test @infsup/fzero.m
PASSES 1 out of 1 test


With Octave 7.0.90 (RC 1), I see many failing tests. (Haven't looked in
detail). The log is attached.


(file #52641)
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Additional Item Attachment:

File name: fntests-interval-7.0.90.log    Size:129 KB
   
<https://file.savannah.gnu.org/file/fntests-interval-7.0.90.log?file_id=52641>



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