On 2012-11-07, Nils Bruin <
nbr...@sfu.ca> wrote:
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> On Tuesday, November 6, 2012 11:12:45 PM UTC-8, Rolandb wrote:
>>
>> Hi, have a look at:
>>
>> print [p for p in Integer(8).factor(limit=10^6)]
>>
>> [(2, 3L)]
>>
>>
>> Is the 3L intended?
>>
> No. That's a "python multi precision integer" as generated by
>
> sage: long(10)
> 10
>
> That's a crazy type for an exponent. It should be a sage Integer or if
> absolutely required for efficiency reasons, a python "int".
It come from here:
sage: from sage.rings.factorint import factor_trial_division
sage: [t for t in factor_trial_division(8)]
[(2, 3L)]
if factor() gets limit= set to something, it calls this function.
I don't know whether factor_trial_division() must be fixed,
or just factor()...
I have opened #13692.
Dima