Re: [sage-devel] Re: bug in graph isomorphism in sage-4.7

2011-07-23 Thread Robert Miller
Vincent, > Thanks Robert for pointing this. But is the following the expected > behavior ? Of course not, that is clearly wrong. I've tracked down the bug, and posted a patch at: http://trac.sagemath.org/sage_trac/ticket/11620 This should fix the problem. ... However, when running doctests I

Re: [sage-devel] Re: bug in graph isomorphism in sage-4.7

2011-07-13 Thread Robert Miller
On Wed, Jul 13, 2011 at 11:47 PM, Robert Miller wrote: > See > > http://trac.sagemath.org/sage_trac/ticket/10549 ... and its dependencies. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups

Re: [sage-devel] Re: bug in graph isomorphism in sage-4.7

2011-07-13 Thread Robert Miller
See http://trac.sagemath.org/sage_trac/ticket/10549 On Wed, Jul 13, 2011 at 11:01 AM, Maarten Derickx wrote: > Spending about an hour on debugging I got really close to the source of the > problem. > The main problem is that DiGraph (and probably Graph also but I did not test > this) is making

Re: [sage-devel] Re: bug in graph isomorphism in sage-4.7

2011-07-08 Thread Jeroen Demeyer
On 2011-07-08 15:15, Vincent D wrote: > Actually, the problem is even worst... the function relabel does not > do the right job! The graph G2 obtained as above has two loops at the > vertex 4. Well, to what does to vertex 4 get mapped to under your "permutation"? -- To post to this group, send a