Hi Andrew, > At first I'd like to finish the dual simplex routines (including your > patch from May 2016), and then inspect and implement your improvements > related to the mip solver.
This patch is orthogonal to any changes in the simplex solver, and shouldn't affect the default behaviour. So, if you are worried that it will be hard to evaluate the changes to the simplex solver between the releases, I think it is safe. > BTW, how did you implement bfd_copy? I missed that. I'm re-sending the relevant patch, which adds a copy operation in each factorisation driver and the bfd_copy function that uses them. The copy operations reuse existing allocations in the destination when possible. Best Regards, Chris Matrakidis
pcost2.patch
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