#12020: bug in zero_matrix rewrite in matrix_space.py
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Reporter: was | Owner: jason, was
Type: defect | Status: needs_review
Priority: blocker | Milestone: sage-duplicate/invalid/wontfix
Component: linear algebra | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author: William Stein
Merged: | Dependencies:
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Comment(by malb):
I checked the {{{__init__}}} methods of all pyx files in sage/matrix/ and
found one which doesn't treat {{{entries==None}}} properly:
{{{matrix_modn_sparse.pyx}}}, so this one should get fixed. Note that all
others explicitly support {{{entries==None}}} and many do nothing when it
is passed, i.e., it's the explicit fast path.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12020#comment:11>
Sage <http://www.sagemath.org>
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