#10519: analytic combinatorics: new code for computing asymptotics for
multivariate
generating functions
------------------------------+---------------------------------------------
Reporter: araichev | Owner: sage-combinat
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.0
Component: combinatorics | Keywords: analytic combinatorics,
multivariate generating functions, asymptotics
Work_issues: | Upstream: N/A
Reviewer: David Loeffler | Author: Alex Raichev
Merged: | Dependencies:
------------------------------+---------------------------------------------
Changes (by davidloeffler):
* status: needs_review => needs_work
* reviewer: => David Loeffler
Comment:
Apply trac_10519-fixed.patch
(for the patchbot).
Alex's last "patch" wasn't a patch at all, just a Mercurial header with
some Python code arbitrarily pasted into it. I've just uploaded a non-
broken version of the patch. I also added the necessary import statements
-- a file that's supposed to be part of the Sage library can't import the
Sage library (with {{{from all_cmdline import *}}}), since that would lead
to an infinite loop, so the necessary imports have to be done one-by-one.
The patch now passes doctests on my machine, but there are some worrying
errors that came up when I ran a syntax checker on the new file:
{{{amgf.py:908: local variable 'R' is assigned to but never used
amgf.py:909: local variable 'd' is assigned to but never used
amgf.py:1070: local variable 'Ht' is assigned to but never used
amgf.py:1251: local variable 'Ht' is assigned to but never used
amgf.py:1591: undefined name 'n'
amgf.py:2199: local variable 'H' is assigned to but never used
amgf.py:2242: undefined name 'verdict'
}}}
The "undefined name" errors tend to suggest that some cases have bugs in
them, *and* those cases are not checked in any doctest, which is a double
whammy. Hence "needs work".
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10519#comment:22>
Sage <http://www.sagemath.org>
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