Julian Hall
Sorry, we've fixed other issues with the .lp file writer recently, and this error must have crept in somehow. I'll get it fixed
Actually, now I see that you have lower bounds on the rows, what you've exposed is a bug in v1.2.2 that was one of the issues I quoted as having...
We have no plans to provide these packages so you won't be duplicating any activity by developing them yourself. If they are useful for you then they may be for...
So, @svigerske , having merged (and then deleted) [/fix-948](https://github.com/ERGO-Code/HiGHS/tree/fix-948) into master, you're free to look at this issue in another branch.
It's true that I'd not checked whether Gurobi would read the example. Is "valid .lp syntax." defined to this level of detail? The issue came up because someone had the...
I'll see if I can identify why the two files are different. Thanks for doing this testing @jeffreydeankelly2
Thanks, that's good to hear. It's used in our SLP solver for a particular industrial problem, so I know how hard these can be numerically
> Thanks, I am not sure why the LP and MPS files are different as I called the same HiGHS Highs_writeModel but with a different file of ".lp" and ".mps"...
@lgottwald In resolving the issues with the .lp file writer (see #938) I've found a very simple example where presolve claims false infeasibility. See [small_mip.lp.txt](https://github.com/ERGO-Code/HiGHS/files/9387065/small_mip.lp.txt) with and without presolve. Note...
Yes, I am still available, and have time to start today!