Jason Grout wrote:
> This is odd. The test passes on my Ubuntu 32-bit P4 system. It looks
> like the edges are returned in a different order for you, so the answer
> is correct, just output differently.
>
> I can't build the alpha right now, but someone that has the alpha built,
> can you see if the following code returns the indicated result? If so,
> we can change the doctest to the following.
>
On Fedora 7:
[EMAIL PROTECTED] sage-2.8.7-alpha0]$ ./sage -t
devel/sage-main/sage/graphs/graph.py
sage -t devel/sage-main/sage/graphs/graph.py
[25.8 s]
----------------------------------------------------------------------
All tests passed!
Total time for all tests: 25.8 seconds
> sage: g=DiGraph([[1..4], lambda i,j: i<j])
> sage: h=g.line_graph()
> sage: h.vertices()
> [(1, 2, None),
> (1, 3, None),
> (1, 4, None),
> (2, 3, None),
> (2, 4, None),
> (3, 4, None)]
> sage: h.am()
> [0 0 0 1 1 0]
> [0 0 0 0 0 1]
> [0 0 0 0 0 0]
> [0 0 0 0 0 1]
> [0 0 0 0 0 0]
> [0 0 0 0 0 0]
>
sage: g=DiGraph([[1..4], lambda i,j: i<j])
sage: h=g.line_graph()
sage: h.vertices()
[(1, 2, None),
(1, 3, None),
(1, 4, None),
(2, 3, None),
(2, 4, None),
(3, 4, None)]
sage: sage: h.am()
[0 0 0 1 1 0]
[0 0 0 0 0 1]
[0 0 0 0 0 0]
[0 0 0 0 0 1]
[0 0 0 0 0 0]
[0 0 0 0 0 0]
Jaap
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