#7571: use more dicts in graph.py
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Reporter: ylchapuy | Owner: rlm
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.3
Component: graph theory | Keywords:
Work_issues: | Author: Yann Laigle-Chapuy
Upstream: N/A | Reviewer:
Merged: |
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This patch improves 3 methods in graph.py:
* connected_components: we use python set instead of lists to enable fast
lookup
* blocks_and_cut_vertices: using dicts instead of lists enable us to
avoid relabeling
* girth: idem
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7571>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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