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"warning" control syntax difference between Matlab and Octave 3.6.1
From: |
Stefan |
Subject: |
"warning" control syntax difference between Matlab and Octave 3.6.1 |
Date: |
Wed, 2 May 2012 09:53:03 -0700 (PDT) |
Hello,
I am trying to run a 3rd party library that was originally written for
Matlab under Octave 3.6.1 under Mac OS X. The library uses the following
(apparently undocumented) syntax to temporarily switch off warnings:
>> w0 = warning;
>> warnoffId = 'MATLAB:singularMatrix';
>> warnstat = warning('query',warnoffId);
>> warnoff = warnstat;
>> warnoff.state = 'off';
>> warning(warnoff); %update warning status
>> % ... do things without warnings thrown
>> warning(warnstat); %reset warning status
>> w = warning;
Note that warnoffId is NOT in w0.
Behavior in Matlab (R2007b - last version I have for testing): No change of
"warning":
>> isequal(w,w0)
>> ans = 1
Behavior in Octave 3.6.1: "warning" is overwritten completely by warnstat:
octave:2> w0
w0 =
1x14 struct array containing the fields:
identifier
state
octave:3> w
w =
scalar structure containing the fields:
identifier: 1x21 sq_string
state: 1x2 sq_string
This breaks the warning system of Octave, such that virtually every
subsequent command spams the console with warning messages.
I would much like to use the unmodified library m-files. I read somewhere
that a difference between Matlab and Octave is usually considered a bug in
Octave... Is it in this case?
As a quick fix, I am considering to overload "warning" using "builtin". Any
reasons why this wouldn't work?
Many thanks,
Stefan
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- "warning" control syntax difference between Matlab and Octave 3.6.1,
Stefan <=