#4612: [with patch, needs work] is_perfect_power for rationals
------------------------------+---------------------------------------------
Reporter: robertwb | Owner: somebody
Type: defect | Status: new
Priority: major | Milestone: sage-3.4
Component: basic arithmetic | Resolution:
Keywords: |
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Comment (by cremona):
Something is wrong:
{{{
sage: a=(-1/20)^3
sage: a.is_perfect_power()
False
}}}
but then so is this:
{{{
sage: a=(-20)^3
sage: a.is_perfect_power()
False
}}}
which does not call the new function but the old one (with integers). Is
this a bug in gmp? If so it should be reported.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4612#comment:9>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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