[Insight-developers] 0008911: Numerical issues in vnl matrix inversion?

[Bill Lorensen]

I'll try it on my gcc4.3 system.

On Mon, Jul 27, 2009 at 11:50 AM, Tom
Vercauteren<tom.vercauteren at m4x.org> wrote:
> Hi Bill,
>
> I was actually writing an email about that exact matter :)
>
> A few days ago, I tried to replicate bug 8911
> http://www.itk.org/Bug/view.php?id=8911
>
> I couldn't do it on my machine but since I had the test written, I
> decided to commit it. Now I see it failing on a few machines. So
> apparently, bug 8911 can be replicated.
>
> I agree that letting vxl folks fix it would be good. Another option
> would be to try a fix on ITK's side (which would be faster). I already
> prepared something but cannot currently test whether it works or not.
> The tentative patch is attached here and to the bug tracker. Could you
> try it on your system?
>
> Thanks,
> Tom
>
> On Mon, Jul 27, 2009 at 17:40, Bill Lorensen<bill.lorensen at gmail.com> wrote:
>> Tom,
>>
>> I see that you checked in a test that exhibits the failing inversion.
>> It fails on Borland, gcc 4.3 and MAC 4.0. Does it pass on your system?
>>
>> Is there a plan to fix this? Perhaps we should we let the vxl folks fix it?
>>
>> Bill
>>
>