Re: [eigen] Testing 2.0

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On Sun, 7 Feb 2010, Benoit Jacob wrote:

ah yes, the lu tests fail typically on the exact rank computation, and
the reason why it fails is that eigen 2.0's algorithm for that is
really not very accurate.

This has been fixed in the development branch: the exact rank
computation now works very consistently, so you can run the lu tests
with 1000 repetitions.

Here the lu_2 test fails regularly in the development branch. I tried it with random seeds from 1 to 10 (and the default of 10 repeats) and it fails with 4, 5 and 6 in line 102. It's good to know that it's supposed to work consistently, so now I can treat it as a bug and hunt it down when I have time.


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