Bug#760057: commons-math3: FTBFS - test KohonenUpdateActionTest fails

[tony mancill]

On 08/31/2014 04:07 AM, Michael Tautschnig wrote:
> Package: commons-math3
> Version: 3.3-1
> Severity: serious
> Usertags: goto-cc
> 
> During a rebuild of all Debian packages in a clean sid chroot (using cowbuilder
> and pbuilder) the build failed with the following error.
> 
> [...]
> Results :
> 
> Failed tests:   testUpdate(org.apache.commons.math3.ml.neuralnet.sofm.KohonenUpdateActionTest): expected:<0.0> but was:<5.551115123125783E-17>


Hello Michael,

I'm not able to reproduce this locally in 3 successive builds, but it's
troubling to think that you ended up with a very small positive number
instead of 0.0, and we're both running on amd64.

Are able to reproduce this failure at will?

Thank you,
tony

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