#13699: Another bug in graph products....
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       Reporter:  ncohen                        |         Owner:  jason, 
ncohen, rlm
           Type:  defect                        |        Status:  needs_review  
    
       Priority:  major                         |     Milestone:  sage-5.5      
    
      Component:  graph theory                  |    Resolution:                
    
       Keywords:                                |   Work issues:                
    
Report Upstream:  N/A                           |     Reviewers:  David Coudert 
    
        Authors:  Nathann Cohen, David Coudert  |     Merged in:                
    
   Dependencies:                                |      Stopgaps:                
    
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Changes (by {'newvalue': u'Nathann Cohen, David Coudert', 'oldvalue': u'Nathann 
Cohen'}):

  * author:  Nathann Cohen => Nathann Cohen, David Coudert


Old description:

> The bug was found by Geoff Tims. It has been introduced in #12791,
> exactly as already spotted in #13091.
>
> After loops and multiple edges, I begin to hate directed graphs now.
>
> I *HATE* to see Sage return wrong answers. HATE it.
>
> Nathann

New description:

 The bug was found by Geoff Tims. It has been introduced in #12791, exactly
 as already spotted in #13091.

 After loops and multiple edges, I begin to hate directed graphs now.

 I *HATE* to see Sage return wrong answers. HATE it.

 Nathann

 APPLY:
     * [attachment:trac_13699.patch]
     * [attachment:trac_13699-edge_iterators.patch]

--

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13699#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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