#8756: random segfault in planarity.pyx test
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Reporter: was | Owner: jason, ncohen, rlm
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.4.1
Component: graph theory | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by jason):
* cc: ncohen (added)
Comment:
I attached three patches. The first removes the current version of the
planarity code from Sage. The second updates the planarity C code to the
most recent SVN version of John Boyer's code (at
http://code.google.com/p/planarity). The third makes some changes in Sage
so that it will compile and build.
These patches are against 4.3.4, and are after the networkx upgrading
patches in my queue, so they may depend on upgrading networkx to 1.0.1
(see #7608).
The patches do not conform to the standards (no good commit messages; no
trac number noted), and may possibly break other stuff. However, -long
doctests pass in graphs/*.py[x], and John Boyer said that he worked hard
to make the new code compatible with the old code, so I *hope* the patches
work.
I mainly post these to provide a starting point for someone to finish
fixing this. I'll probably do it in several weeks (after the semester
ends) if someone else hasn't done it.
Ideally, we'd make this a standard spkg at this point, instead of
including this code in Sage. ncohen I think would know how to do that
(i.e., make a standard spkg that a pyx file in Sage depends on to
compile).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8756#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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