PS: Since this was a recent improvement, the Sage numeric type now register
with the pep3141 abstract numbers class so you can (and should) do test like
sage: import numbers
sage: isinstance(5, numbers.Integral)
True
sage: isinstance(5, numbers.Number)
True
sage: isinstance(5/1, numbers.Integral)
False
sage: isinstance(22/7, numbers.Rational)
True
sage: isinstance(1.3, numbers.Real)
True
sage: isinstance(CC(1.3), numbers.Real)
False
sage: isinstance(CC(1.3 + I), numbers.Complex)
True
sage: isinstance(RDF(1.3), numbers.Real)
True
sage: isinstance(CDF(1.3, 4), numbers.Complex)
True
sage: isinstance(AA(sqrt(2)), numbers.Real)
True
sage: isinstance(QQbar(I), numbers.Complex)
True
On Sunday, January 3, 2016 at 11:01:39 AM UTC+1, Volker Braun wrote:
>
> The code uses explicit isinstance(.., int) checks, which is rather bad
> style. If you don't want to change that then you'll have to pass in a
> Python int: BalancedTernary(int(10))
>
>
> On Sunday, January 3, 2016 at 10:01:15 AM UTC+1, HG wrote:
>>
>> Hi,
>> I got this balanced ternary file from rosetta, it works fine in python2
>> but not completly in sage : b variable which convert number in ternary is
>> failing, a problem of conversion but I don't know how to correct it ?
>> Any help ?
>> Thanks
>> Kind regards
>> Henri
>>
>
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