#20781: Cannot interrupt integral_points() of polyhedron
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Reporter: tscrim | Owner: tscrim
Type: defect | Status: new
Priority: major | Milestone: sage-7.3
Component: geometry | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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We currently cannot ctrl-C interrupt the `integral_points()` of a
polyhedron:
{{{
sage: ieqs = [(-1, -1, -1, -1, -1, -1, -1, -1, -1),
....: (0, -1, 0, 0, 0, 0, 0, 0, 0),
....: (0, -1, 0, 2, -1, 0, 0, 0, 0),
....: (0, 0, -1, -1, 2, -1, 0, 0, 0),
....: (0, 2, 0, -1, 0, 0, 0, 0, 0),
....: (0, 0, 0, 0, 0, 0, 0, -1, 2),
....: (1, 0, 2, 0, -1, 0, 0, 0, 0),
....: (0, 0, 0, 0, -1, 2, -1, 0, 0),
....: (0, 0, 0, 0, 0, 0, 0, 0, -1),
....: (0, 0, 0, 0, 0, -1, 2, -1, 0),
....: (0, 0, 0, 0, 0, 0, -1, 2, -1)]
sage: P = Polyhedron(ieqs=ieqs)
sage: P
A 8-dimensional polyhedron in QQ^8 defined as the convex hull of 43
vertices
sage: P.integral_points() # Cannot ctrl-C out of this
}}}
Likely a `sig_on` and `sig_off` pair is needed around the call to
`loop_over_rectangular_box_points`.
--
Ticket URL: <http://trac.sagemath.org/ticket/20781>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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