#19152: {Real,Complex}Ball: Miscellaneous fixes and improvements
-------------------------------------+-------------------------------------
       Reporter:  mmezzarobba        |        Owner:
           Type:  enhancement        |       Status:  needs_work
       Priority:  major              |    Milestone:  sage-6.10
      Component:  numerical          |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Marc Mezzarobba    |    Reviewers:  Clemens Heuberger
Report Upstream:  N/A                |  Work issues:
         Branch:  public/19152-arb-  |       Commit:
  misc                               |  cc74b61498b0ed0e6e5a54e30df6b5cfbe33350a
   Dependencies:  #19063             |     Stopgaps:
-------------------------------------+-------------------------------------

Comment (by cheuberg):

 Replying to [comment:32 mmezzarobba]:
 > Replying to [comment:30 jdemeyer]:
 > > Replying to [comment:27 mmezzarobba]:
 > > > Because it doesn't make any sense to me to import tons of
 specialized stuff on startup.
 > > We have `lazy_import` for that.
 >
 > I'm not talking only about the cost of the imports, but mainly about the
 namespace pollution.

 I would not mind having `RBF`, `CBF`, `RealBallField` and
 `ComplexBallField` in the global name space; this is how most of sage
 seems to work. But this could also happen in another ticket ...

--
Ticket URL: <http://trac.sagemath.org/ticket/19152#comment:50>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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