#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-4.8                       
  Component:  linear algebra  |       Keywords:                                 
Work_issues:                  |       Upstream:  N/A                            
   Reviewer:  William Stein   |         Author:  Martin Albrecht, Jeroen Demeyer
     Merged:                  |   Dependencies:                                 
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Comment(by was):

 It would be nice to define a list of 100 (say) various rings in a file in
 the tests directory.  Then the test could be

 {{{
 sage: from sage.tests.examples import commutative_rings0
 sage: for R in commutative_rings0:
          do something
 }}}

 Then people could add new rings to that list, and tests all over may
 benefit.

 And in addition to rings, we could assemble many other lists of examples
 of objects in that file.

 This could be on another ticket.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12020#comment:20>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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