#19152: {Real,Complex}Ball: Miscellaneous fixes and improvements
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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 | 7e6b5d049ce0107880171d156f3da2f16d480476
Dependencies: #19063 | Stopgaps:
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Comment (by cheuberg):
Replying to [comment:44 jdemeyer]:
> Replying to [comment:43 cheuberg]:
> > In particular, the first issue is a property of arb, see its
documentation.
> If that is the case, this absolutely should be mentioned in the Sage
documentation for arb.
I do not understand what you mean.
[http://fredrikj.net/arb/issues.html#aliasing Arb's documentation] says
that "An important caveat applies to aliasing of input variables.
Identical pointers are understood to give permission for algebraic
simplification."
The
[https://www.math.aau.at/user/cheuberg/sage/doc/6.10.beta3/en/reference/rings_numerical/sage/rings/real_arb.html#comparison
documentation of the real_arb class] has a "Warning" box stating
"Identical !RealBall objects are understood to give permission for
algebraic simplification. This assumption is made to improve performance."
--
Ticket URL: <http://trac.sagemath.org/ticket/19152#comment:46>
Sage <http://www.sagemath.org>
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