#10022: Cone.is_smooth() returns wrong answer
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Reporter: vbraun | Owner: mhampton
Type: defect | Status: new
Priority: major | Milestone: sage-4.6.1
Component: geometry | Keywords:
Author: Volker Braun | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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A not full-dimensional cone sometimes thinks it is not smooth even though
it is:
{{{
sage: Cone([(1,0,0), (2,1,1)]).is_smooth()
True
sage: Cone([(1,0,0), (2,1,2)]).is_smooth()
False
}}}
Note that the two cones are the same up to a SL(3,Z) coordinate change.
The attached patch fixes this.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10022>
Sage <http://www.sagemath.org>
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