#13546: Bug in is_perfect
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Reporter: azi | Owner: jason, ncohen, rlm
Type: defect | Status: new
Priority: critical | Milestone: sage-5.5
Component: graph theory | Resolution:
Keywords: is_perfect,graph theory | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Jernej Azarija | Merged in:
Dependencies: | Stopgaps:
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Comment (by azi):
I have modified is perfect in the following way:
{{{
ret = self.is_odd_hole_free(certificate = certificate)
if ret == False or (certificate and ret != None):
return ret
self_complement = self.complement()
ret = self.is_odd_hole_free(certificate = certificate)
if ret == False or (certificate and ret != None):
return ret
return True
}}}
The error is still there so I suppose there is a bug in is_odd_hole_free.
I will try to spot the bug there and make a temporary patch
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13546#comment:3>
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