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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] beta2 ready for testing
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Wed, 13 Oct 2010 09:44:48 -0400
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2010/10/13 Benoit Jacob <jacob.benoit.1@xxxxxxxxx>:
> 2010/10/13 Jitse Niesen <jitse@xxxxxxxxxxxxxxxxx>:
>> On Tue, 12 Oct 2010, Carlos Becker wrote:
>>
>>> Hi Benoit, I am getting this error with the default cmake options. I
>>> dont know if this is expected to happen or not. I am going to sleep
>>> now but I can take a closer look tomorrow.
>>>
>>>
>>> $ test/jacobisvd_8
>>> Initializing random number generator with seed 1286920442
>>> [...]
>>> Test ( jacobisvd<MatrixXcd>(MatrixXcd(r,c)) ) failed in
>>> "/tmp/eigen/test/jacobisvd.cpp" (74)
>>> test_is_equal(svd.matrixU(),
>>> referenceSvd.matrixU().leftCols(diagSize))
>>
>>
>> I can reproduce this so I filed a bug with some more information.
>
> Thanks. I continue the discussion on the bug, but basically, we're
> being bitten here by extended 80bit precision in x87 registers.
>
> I thought I could ask for exact equality in this case, but it turns
> out that I was wrong...
Fixed (see comment on bug 44).
Benoit