#14105: all_graph_colorings should have an option to use integer colors.
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Reporter: rowland | Owner: jason,
ncohen, rlm
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.8
Component: graph theory | Resolution:
Keywords: days45 | Work issues:
Report Upstream: N/A | Reviewers: Chris
Berg, Nathann Cohen
Authors: Alejandro Morales, Eric Rowland | Merged in:
Dependencies: | Stopgaps:
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Changes (by ncohen):
* status: needs_review => needs_work
Comment:
Two doctests of graph.py do not pass
{{{
sage -t -long devel/sage-2/sage/graphs/graph.py
**********************************************************************
File "/home/ncohen/.Sage/devel/sage-2/sage/graphs/graph.py", line 3190:
sage: P = G.coloring(algorithm="DLX"); P
Expected:
[[1, 2, 3], [0, 5, 6], [4]]
Got:
[[0, 5, 6], [1, 2, 3], [4]]
**********************************************************************
File "/home/ncohen/.Sage/devel/sage-2/sage/graphs/graph.py", line 3200:
sage: for c in sorted(H.keys()):
print c, H[c]
Expected:
#0000ff [4]
#00ff00 [1, 2, 3]
#ff0000 [0, 5, 6]
Got:
0 [0, 5, 6]
1 [1, 2, 3]
2 [4]
**********************************************************************
}}}
Nathann
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14105#comment:11>
Sage <http://www.sagemath.org>
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