Re: Using debug_on_warning

[fgnievinski]

On Wed, Feb 26, 2014 at 4:11 AM, Thomas Weber-3 [via Octave] <
address@hidden> wrote:

> On Tue, Feb 25, 2014 at 05:09:32PM +0100, Markus Appel wrote:
> > This warning can be caused e.g. by printf("%s",5) when the argument is
> > converted implicitly to string type. When I put only that command in a
> > script file and execute it with debug_on_warning enabled, octave 3.8.0
> > drops as expected into debug mode. You can send your function file for
> > more information.
>
> I found the issue by going through the code.
> Essentially, it is the following:
>
> str = [];
> sprintf("%s", str);
>
> Now, with respect to 'my' code - this is not really my code. I am looking
> at matlab2tikz and the code in question is executed as part of the acid
> test shipped with it. The file is publically available at
> https://raw.github.com/nschloe/matlab2tikz/master/src/matlab2tikz.m
>
> The issue happens in the function drawPatch().
>
> warning: implicit conversion from null_matrix to sq_string
does trigger debug_on_warning for me, with Octave 3.8 --
it still doesn't for you? what Octave version?

-F.




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