#18838: GLPK backend does not detect unboundedness in simplex-only mode
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Reporter: mkoeppe | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.8
Component: numerical | Resolution:
Keywords: lp | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Description changed by yzh:
Old description:
> testcase to be added
New description:
testcase:
{{{
sage: p = MixedIntegerLinearProgram(maximization=True, solver = "GLPK")
sage: p.set_objective(p[0])
sage: p.solver_parameter("simplex_or_intopt", "simplex_only")
sage: p.solve()
0.0
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/18838#comment:1>
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