#19365: Bug in lattice_polytope.positive_integer_relations
-------------------------+-------------------------------------------------
Reporter: | Owner:
tmonteil |
Type: | Status: needs_info
defect |
Priority: major | Milestone: sage-6.10
Component: | Resolution:
geometry |
Keywords: | Merged in:
Authors: | Reviewers: Andrey Novoseltsev, Thierry
Vincent Delecroix | Monteil
Report Upstream: N/A | Work issues:
Branch: | Commit:
public/19365 | 651684a41026bee07a49be83b238b059e72693bc
Dependencies: | Stopgaps:
-------------------------+-------------------------------------------------
Changes (by mkoeppe):
* status: needs_work => needs_info
* cc: rws (added)
Comment:
After #20766, the example in the description gives:
{{{
sage: vertices =
[(1,1,-1,-1,-1),(-1,-1,1,1,-1),(1,-1,-1,-1,1),(-1,1,1,1,1),(1,-1,1,-1,-1)]
sage: p = LatticePolytope(vertices)
sage:
lattice_polytope.positive_integer_relations(p.vertices().column_matrix())
MIPSolverException: PPL : There is no feasible solution
}}}
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Ticket URL: <https://trac.sagemath.org/ticket/19365#comment:13>
Sage <http://www.sagemath.org>
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