Add support for infeasibility certificates #38
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Codecov Report
@@ Coverage Diff @@
## master #38 +/- ##
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+ Coverage 81.69% 83.07% +1.38%
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Files 3 3
Lines 743 786 +43
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+ Hits 607 653 +46
+ Misses 136 133 -3
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|
odow
commented
Feb 17, 2021
| """ | ||
| function _farkas_variable_dual(model::Optimizer, col::Cint) | ||
| num_nz, num_cols = Ref{Cint}(0), Ref{Cint}(0) | ||
| # TODO(odow): how does getColsByRangeWork??? |
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Here's upstream: https://github.com/ERGO-Code/HiGHS/blob/2b89bd90391bb60edf252e0cbc7ea40f59798cf9/src/simplex/HighsSimplexInterface.cpp#L513-L573
It'd be nice to have the Gurobi/CPLEX behavior where you can pass NULL and have it populate num_nz so you can allocate the correct length.
odow
changed the title
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Currently WIP (tests failing) because HiGHS doesn't seem to be able to reliably find rays. It get warnings like:
Closes #26