#20370: generic GCD-free basis
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       Reporter:  mmezzarobba        |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-7.2
      Component:  algebra            |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Marc Mezzarobba    |    Reviewers:
Report Upstream:  N/A                |  Work issues:
         Branch:                     |       Commit:
  u/mmezzarobba/20370-gcd_free_basis |  e0895632b8cc12e990f859dbdbb0d086601a6afe
   Dependencies:                     |     Stopgaps:
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Comment (by mmezzarobba):

 Replying to [comment:4 bruno]:
 > I propose you to return a `Sequence` with `universe=self`.

 Done.

 > You may catch the exception and raise your own `TypeError: the elements
 you provided do not belong to QQ` (or something similar). Actually I ran
 into the exact example I paste above...

 I improved `Sequence()` itself instead. Of course, I can move the
 corresponding commits to another ticket if you don't feel like reviewing
 them.

--
Ticket URL: <http://trac.sagemath.org/ticket/20370#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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