> Currently the solver makes up to 5 attempts to choose an > appropriate column, i.e. having not too small pivot, but the pivot > magnitude is not checked.
I had the first patch attached in my tree to give errors instead of the assert. Following this discussion I did a quick test (seen in the second patch) to try a new pivot with a simple threshold. I'm not sure whether this is the best option, but it seems to help in several tests I did.
simplex1.patch
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simplex2.patch
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