#15864: Graph.is_distance_regular is awfully wrong
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Reporter: | Owner:
ncohen | Status: needs_review
Type: | Milestone: sage-6.2
defect | Resolution:
Priority: major | Merged in:
Component: graph | Reviewers:
theory | Work issues:
Keywords: | Commit:
Authors: | f6541444499809d3af167c9a3632baa98449b0f2
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
u/ncohen/15864 |
Dependencies: |
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Comment (by dimpase):
IMHO
{{{
sage: g.is_distance_regular(parameters = True)
}}}
is terribly confusing to the user. Indeed, ```is_distance_regular``` is
meant to return True or False, just like any other ```is_blahbla``` member
functions are. There should be a member function named something like
```distance_regularity_parameters``` which would return the parameters
(what it returns for a non-distance-regular graph, is open to discussion -
e.g. it can even return lists of all the different values, or empty
entries for the values which are not-constant.
--
Ticket URL: <http://trac.sagemath.org/ticket/15864#comment:3>
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