Thu 15 Nov 2012 03:42:16 AM UTC, original submission:
I'm not using sqp, but I have been getting a consistent failure when running make check, affects both stable and default branches for me. Error is slightly over the tolerance specified in the test case.
The gotcha is it only fails when libblas.so.3 is configured to point to ATLAS, and only on Debian 64-bit (testing or unstable). This is the Debian libatlas3-base package, not a self-compiled ATLAS.
This could conceivably be a bug with the atlas library in Debian, but the result of the test as shown below is so close and the tolerance of 5*sqrt(eps) looks arbitrary to me, I think this could be resolved by bumping up the tolerance here.
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