#11779: python ints vs sage ints with respect to powers weirdness
------------------------+---------------------------------------------------
Reporter: dimpase | Owner: AlexGhitza
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7.2
Component: coercion | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author: Dmitrii Pasechnik
Merged: | Dependencies:
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Changes (by newvalueoldvalue):
* cc: SimonKing (added)
* author: => Dmitrii Pasechnik
Comment:
Replying to [comment:5 leif]:
> Replying to [comment:4 dimpase]:
> > [...]
> ('''This''' is a bug.)
> >
{{{
sage: type(int(3)^-3)
<type 'sage.rings.rational.Rational'>
}}}
I meant `type(int(3)^QQ(-3))` not being `float` is a bug (currently in
Sage).
We furthermore currently have:
{{{
sage: type(int(3)^QQ(-3))
<type 'sage.rings.rational.Rational'>
sage: type(int(3)^ZZ(-3))
<type 'float'>
}}}
which is obviously inconsistent, where IMHO the latter ''is'' correct, but
not the former.
(Nevertheless, I ''know'' mathematicians tend to care less about types...
;-) )
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11779#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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