On May 4, 2010, at 9:06 AM, Jason Grout <[email protected]> wrote:
> On 05/04/2010 10:30 AM, William A. Stein wrote:
>
>> I think I wrote the original code for this, and I am ok with the change
>> you suggest, since our policy on explicit coercions is to make them work
>> when they make (some) mathematical sense.
>
>
> A related question is that conversion from CC or CDF to long, int, ZZ, or QQ
> also fails, though doing something like ZZ(RR(CC(1))) works.
>
> Should conversion to an integer or rational try to work if the imaginary part
> is zero?
Yes. And note that the implementation of QQ(RR(... is pretty nontrivial.
>
> Thanks,
>
> Jason
>
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