Ralf Stephan wrote:
> Do I understand it right that then I can coerce a real to a complex
> ball and always back to a real without raising an exception?
Coerce, no; convert, yes, I think (assuming that by "a real" you mean
"an element of a RealField"), but that's an implementation detail, not
so
On Wednesday, May 3, 2017 at 2:45:00 PM UTC+2, Marc Mezzarobba wrote:
>
> (Subsequent *operations* on those elements will be done with a precision
> of p, though.) This is convenient in combination with automatic
> coercion.
Do I understand it right that then I can coerce a real to a complex
You may have noticed that somebody is painfully trying to make comparison
compatible with python3.
The semantics of comparison for RealInterval is "every element of A has the
given relation to every element of B". This will not change, as many people
are saying this is exactly what they want.
I
Hi,
Ralf Stephan wrote:
> This though seems buggy:
> sage: BF = RealBallField(precision=2)
> sage: BF(1.002)>BF(1.001)
> True
> sage: BF(1.002)-BF(1.001)
> [+/- 1.20e-7]
I don't think there is a bug here. The difference prints as an interval
containing zero, but this is a correct
