#13638: fix adjacency of rays
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Reporter: vbraun | Owner: mhampton
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.5
Component: geometry | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Volker Braun | Merged in:
Dependencies: | Stopgaps:
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Comment (by vbraun):
How about:
If the V-representation of the polygon contains only vertices and a single
ray, then every V-representation object has exact two adjacent ones. The
cyclic order is unique up to reversal of direction and choice of starting
point.
If the V-representation of the polygon contains vertices and two rays,
then the two rays are not adjacent to each other. The cyclic order then
starts with one of the rays and ends with the other ray.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13638#comment:5>
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