#10618: Include David Perkinson's sandpile module in the sage library
-------------------------------------------------+--------------------------
Reporter: mhampton | Owner: jason, ncohen,
rlm
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.7
Component: graph theory | Keywords: abelian
sandpile model
Author: David Perkinson, Marshall Hampton | Upstream: N/A
Reviewer: David Joyner | Merged:
Work_issues: check "long time" |
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Changes (by jdemeyer):
* work_issues: => check "long time"
Comment:
On which machine did you check where to write "# long time"? It seems
that most of these "long time" doctests take less than 1 second on
`sage.math.washington.edu`, which means that they should not be marked
"long time".
For example, this doctest on line 196::
{{{
sage: from sage.sandpiles import *
sage: g = {0: {}, \
1: {0: 1, 2: 1, 3: 1}, \
2: {1: 1, 3: 1, 4: 1}, \
3: {1: 1, 2: 1, 4: 1}, \
4: {2: 1, 3: 1}}
sage: S = Sandpile(g,0)
sage: S.resolution() # long time (minutes)
'R^1 <-- R^7 <-- R^15 <-- R^13 <-- R^4'
}}}
Even though the test claims "minutes", in reality it takes about half a
second.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10618#comment:23>
Sage <http://www.sagemath.org>
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