Re: [Bug-glpk] glp_intopt recovery feature added

[Chris Matrakidis]

> 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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