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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] LU test fails
- From: "Benoit Jacob" <jacob.benoit.1@xxxxxxxxx>
- Date: Tue, 20 Jan 2009 20:07:30 +0100
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OK, I fixed a little issue in LU today and made sure that the test
doesn't fail anymore because of noise.
Cheers,
Benoit
2009/1/5 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> Hi,
>
> Thanks for your report.
> Don't worry about this failure: if it succeeds most of the time, then
> you can consider that it is just noise. The truth is that in this
> particular test I should relax the == requirement a little bit.
>
> About running the tests:
> cmake -DEIGEN_BUILD_TESTS=ON .....
> make
> cd test
> ctest
>
> you can run a particular test directly, there are command line options
> (pass "help" or anything else on the cmd line).
>
> Cheers,
> Benoit
>
> 2009/1/5 Jitse Niesen <jitse@xxxxxxxxxxxxxxxxx>:
>> Hello,
>>
>> I'm getting an error in the LU test:
>>
>> Test lu_non_invertible<MatrixXcf>() failed in
>> "/home/jitse/misc/eigen2/test/lu.cpp" (70)
>> cols - rank == lu.dimensionOfKernel()
>>
>> This error does not occur in every run. I got it in three runs out of eight.
>>
>> I'm very new to the eigen library and this is the first time that I ran the
>> test set. I found it not so easy because I never used cmake, so it's
>> possible that I made a mistake which causes the error. Furthermore, I have
>> cmake version 2.6.0 while the code requires 2.6.2. On the other hand, all
>> other tests pass so that seems pretty unlikely.
>>
>> My OS is Debian stable and gcc is version 4.3.2 (Debian 4.3.2-1). The CPU is
>> an Intel Celeron and I enabled SSE2 in the test.
>>
>> I'd be happy to debug myself soonish, but as I said I'm very new to eigen
>> and I know only the basics about C++ templates. So I'm not sure I could find
>> what's going wrong.
>>
>> Please let me know if you need more information.
>>
>> All the best,
>> Jitse Niesen
>>
>> ---
>>
>>
>