[gecode-users] Some error - I just cannot find it (Windows)

[Mailing List Email]

I used the recommended flags as mentioned in the MPG from the IDE, which
basically mounts down to the default.
I wish I had another compiler on windows to test it with, though, but so
far, no luck with that.


On 29 May 2013 01:28, Guido Tack <tack at gecode.org> wrote:

> I tried it on Mac OS and it works, no crash.  Perhaps it's a problem in
> the compiler's support for C++11, it's all still quite experimental it
> seems. Did you compile Gecode with exactly the same flags and compiler as
> the example?
>
> Cheers,
> Guido
>
> On 29/05/2013, at 9:08 AM, Mailing List Email <mailinglistx at gmail.com>
> wrote:
>
> Hi,
>
> No, it's not entirely self contained. It was just a dumbed down cut and
> paste in order to see if anyone could find some quick glaring errors.
> Anyway, here is a minimal example that produced the bug - the crash, at
> least as far as I could conveniently reduce it to.
> To reproduce the crash: run Gist to find all solutions (press "A"). Then
> double-click twice on the solution node (the yellow node).
> The program will crash.
>
>
> On 28 May 2013 22:52, Guido Tack <tack at gecode.org> wrote:
>
>> Hi,
>>
>> your sample code does not compile, are you sure it's self contained?
>>  E.g. XGecodeVector2 initialises m_valid which is not defined (and there
>> seem to be other problems).
>>
>> Cheers,
>> Guido
>>
>>  --
>> Guido Tack
>> http://www.csse.monash.edu/~guidot/
>>
>>
>>
>> On 18/05/2013, at 11:33 AM, Mailing List Email <mailinglistx at gmail.com>
>> wrote:
>>
>> Hi all,
>>
>> In my project that I'm working on, I seem to get strange errors, but I
>> cannot seem to be able to figure out why, so I figured perhaps you might
>> give some insight into the problem.
>> I'm attaching a simplified version (but not a minimal example) of the
>> code to where I have tracked down the problem. I don't want to force you to
>> sift through tons of code. I included the most relevant parts only. I can
>> provide the full source (it isn't that big) upon request, though. That is
>> fine.
>>
>> My best guess is that there is some memory corruption - some memory
>> getting freed and is then overwritten somewhere. But it might be something
>> else entirely - like I said, I'm not sure because my results are
>> conflicting.
>> I have the tracked the problem down to being the m_rectangle variable.
>> The culprit seems to be the line
>>
>> r1 = std::move(m_rectangles.v().back());
>>
>> If I remove it, all works fine. I have tried using both a Gecode space
>> allocator and the normal standard allocator - both produce the same thing.
>> Because it's memory corruption or something, the bug appears differently
>> depending on how the code is run - never in a single place (unless run
>> under the same parameters).
>>
>> Am I doing this right? Am I missing something? I just can't see what. I
>> have been trying to wrap my head around this for a long time now, but I
>> can't seem to find anything.
>> I hate to ask you to go through a lot of code, but I'm stuck here, so I'd
>> appreciate a little insight -- any insight.
>>
>> I just hope the mailing list accepts attachments. I would hate to have to
>> provide source inline.
>>  <Temp.cpp>_______________________________________________
>> Gecode users mailing list
>> users at gecode.org
>> https://www.gecode.org/mailman/listinfo/gecode-users
>>
>>
>>
> <NoOverlap.cpp><SquarePacking.cpp>
>
>
>
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