#14711: Weak references in the coercion graph
-------------------------------------+-------------------------------------
       Reporter:  jpflori            |        Owner:  davidloeffler
           Type:  defect             |       Status:  needs_work
       Priority:  critical           |    Milestone:  sage-6.0
      Component:  number fields      |   Resolution:
       Keywords:  memleak, number    |    Merged in:
  field, QuadraticField              |    Reviewers:
        Authors:  Simon King         |  Work issues:  Fix doctests errors
Report Upstream:  N/A                |  after merging master
         Branch:                     |       Commit:
  u/SimonKing/ticket/14711           |  d68c5df4618cc4fcf8ef215ee6b2f475be028209
   Dependencies:                     |     Stopgaps:
-------------------------------------+-------------------------------------

Comment (by SimonKing):

 Too bad. We ''have'' to have `check=True` by default (that's convention in
 Sage). And since schemes are no unique parents, comparison of schemes will
 generally involve Gröbner basis computations.

 I only hope that in this particular application we ''know'' that we are
 dealing with good input and thus can set `check=False`.

--
Ticket URL: <http://trac.sagemath.org/ticket/14711#comment:151>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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