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
On 14 juil, 08:55, Robert Miller wrote:
> On Wed, Jul 13, 2011 at 11:47 PM, Robert Miller wrote:
> > See
>
> >http://trac.sagemath.org/sage_trac/ticket/10549
>
> ... and its dependencies.
Thanks Robert for pointing this. But is the following the expected
behavior ?
{{{
sage: G1 = DiGraph(loops=T
On Wed, Jul 13, 2011 at 11:47 PM, Robert Miller wrote:
> See
>
> http://trac.sagemath.org/sage_trac/ticket/10549
... and its dependencies.
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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
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 the labels unique, even if the labels are not hashable. This
is very wrong and might lead to really hard to find bugs
Hi all,
Intrigued and worried by this report, I did the tests myself (on a plain and
unpatched 4.7). See and shiver.
sage: G1 = DiGraph(loops=True,multiedges=True)
sage: G1.add_edges([(0, 0, 'c'), (0, 4, 'b'), (0, 5, 'c'), (0, 5, 't'), (1,
1,'c'),(1, 3,'c'), (1, 3, 't'), (1, 5, 'b'), (2, 2, 'c'
On 8 juil, 16:05, Jeroen Demeyer wrote:
> 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
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"?
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>
> How did you get simply "False"? I always get (False, False) on the last
> line, with sage-4.6, sage-4.6.2, sage-4.7 and sage-4.7.1.alpha3.
>
I also get "(False,False)" but expected "True"! I did a wrong copy-
paste operation.
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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.
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