#19385: Refactor DiGraph.__init__
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Reporter: | Owner:
ncohen | Status: needs_review
Type: | Milestone: sage-6.9
enhancement | Resolution:
Priority: major | Merged in:
Component: graph | Reviewers: Travis Scrimshaw
theory | Work issues:
Keywords: | Commit:
Authors: | 99c8601b947b746cfd0cbbca4c836b82b3ac5dde
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
u/ncohen/19385 |
Dependencies: |
#19381 |
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Comment (by ncohen):
> I believe explicit is better than implicit. And it induces a very bad
gut feeling when `c*G` for a graph G returns a weighted graph or a multi-
graph depending on whether c is integer or rational.
+1 here. Not only it drives me mad, but the code has to deal with all that
and decide it (and God it is ugly), and of course this comes at the cost
of over-analysing the input, which takes time.
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/19385#comment:23>
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