#12823: Allow constants for objective function & deletion of rows in
MixedIntegerLinearProgram
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Reporter: john_perry | Owner: ncohen
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.0
Component: linear programming | Resolution:
Keywords: solver objective | Work issues: failing doctests
Report Upstream: N/A | Reviewers: David Coudert,
Nathann Cohen
Authors: john_perry, ncohen | Merged in:
Dependencies: #12220, #12736, #12833 | Stopgaps:
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Changes (by john_perry):
* reviewer: David Coudert => David Coudert, Nathann Cohen
Comment:
Okay. I downloaded & build beta 13 on a second computer (the first is a
nearly 15 year-old, 32-bit machine, bogged down in testing some other
tickets), applied the requisite patches for '''all''' dependencies listed,
and after a lot of tinkering, got it to work.
I then went back & figured out why beta 8 didn't like #12833 --- some sort
of whitespace error --- and tested it there, since I have coin installed
there. That works, too.
So Coin & GLPK work on my machines. Someone please test gurobi & cplex
again!
An aside: most of the problems seem to have been caused by whitespace!!!
Apparently #12833 fixes some whitespace problems in gurobi and mip that I
had also tried to fix in the latest patch for this one. I hadn't tried to
fix them before; hence the unpleasant surprise.
I hope this one works...
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12823#comment:55>
Sage <http://www.sagemath.org>
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