On 25/04/16 17:49, William Stein wrote:
On Mon, Apr 25, 2016 at 12:06 PM, Volker Braun wrote:
Presumable its because the RR nan doesn't correctly convert to the SR nan:
sage: NaN.is_zero()
False
sage: SR(RR('nan')).is_zero()
True
Related and confusing/wrong/inconsistent:
sage: RR('nan').is_
On Mon, Apr 25, 2016 at 12:06 PM, Volker Braun wrote:
> Presumable its because the RR nan doesn't correctly convert to the SR nan:
>
> sage: NaN.is_zero()
> False
> sage: SR(RR('nan')).is_zero()
> True
Related and confusing/wrong/inconsistent:
sage: RR('nan').is_zero()
True
sage: RR('nan') == 0
Presumable its because the RR nan doesn't correctly convert to the SR nan:
sage: NaN.is_zero()
False
sage: SR(RR('nan')).is_zero()
True
On Monday, April 25, 2016 at 7:40:39 PM UTC+2, William wrote:
>
> For a problem set I'm making today, I made up a random symbolic function,
> then evaluated i