#9925: Doctest error in sage/graphs/graph.py
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Reporter: mpatel | Owner: mvngu
Type: defect | Status: closed
Priority: major | Milestone: sage-4.6
Component: doctest | Resolution: fixed
Keywords: | Author: Nathann Cohen
Upstream: N/A | Reviewer: Dmitrii Pasechnik
Merged: sage-4.6.alpha2 | Work_issues:
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Comment(by mpatel):
I don't have time to apply the patches, but without them, the code:
{{{
#!python
def example(verbose=False):
try:
g = graphs.RandomBipartite(10, 10, .5)
g.is_even_hole_free() and not g.is_forest()
if not g.is_forest():
cycle = g.is_even_hole_free(certificate = True)
if cycle.order() % 2 == 1:
print "Error !"
if not cycle.is_isomorphic(graphs.CycleGraph(cycle.order())):
print "Error !"
error = False
except RuntimeError as exc:
error = True
if verbose:
print exc
return error
def runner(n=1000):
fail = 0
for i in xrange(n):
fail += example()
return fail
runner()
}}}
gives 20 or so failures. Could you check your patches against this or a
similar statistical diagnostic?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9925#comment:26>
Sage <http://www.sagemath.org>
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