#9053: Sage's new generic HNF doesn't quite work right wrt the free modules code
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Reporter: was | Owner: jason, was
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7
Component: linear algebra | Keywords:
Author: Moritz Minzlaff | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by newvalueoldvalue):
* cc: minz (added)
* status: new => needs_review
* author: => Moritz Minzlaff
Comment:
The bug was a single line in _echelon_form_PID which returned the wrong
pivot element for matrices of one row. The attached patch should fix that.
While doctesting all of Sage I received two errors (that seem unrelated?):
{{{
The following tests failed:
sage -t -long -force_lib
devel/sage/sage/schemes/elliptic_curves/gal_reps.py # Time out
sage -t -long -force_lib devel/sage/sage/interfaces/sage0.py # 2
doctests failed
}}}
The first apparently also came up during discussions on
[http://trac.sagemath.org/sage_trac/ticket/9390 #9390]. The doctest
failure in sage0.py "randomly" appeared or not when I reran the test
mutiple times. I'm not quite sure what to make of this...
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9053#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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