#12020: major (BLOCKER!) bug probably in matrix_space.py
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Reporter: was | Owner: jason, was
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.8
Component: linear algebra | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by was):
Here is a simple test to reveal the bug. Small size matrices don't show
the bug, probably because of some arbitrary caching parameter in #11589,
which is probably why this bug slipped through our test framework (we
*really* need a random larger testing framework!):
{{{
sage: A = MatrixSpace(CyclotomicField(4),60,30)(0)
sage: A.augment(A)
boom!
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12020#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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