Re: += operator strangeness in octave 4.4 build

[Richard Kirk]

Found it. It seems to be a known bug that has come back in 4.2.0. But 
the bug seems to be closed.

https://savannah.gnu.org/bugs/?func=detailitem&item_id=52363

On 05/10/2018 11:59 AM, Richard Kirk wrote:
> I have a 4.4 source build on CenoOS 6.5. This took a bit of getting to 
> work, but it all seems to be up and running with one mysterious 
> exception.
>
> I make a local file "dummy.m" with just 3 lines...
> # Increment count
>
> count += 1;
>
> I now try to use it to increment 'count'...
>
> octave:1> count = 0;
> octave:2> count += 1;
> octave:3> count
> count =  1
>
> Okay, that worked. Now let's do that by calling dummy.m...
>
> octave:4> dummy
> error: count(61,_): but count has size 1x1
> error: called from
>     dummy at line 3 column 1
>
> If I replace count += 1; with ++count; in dummy.m then it works.That 
> is my workaround, and I am fine with that for now. However, it used to 
> work in 3.4.3.
>
> Does anyone else see this, or have I mucked up my build somehow? If it 
> is real, I can file a bug.
>
> Thanks
> Richard Kirk


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