Proposal for a standard Decimal type in alpha

[Jordi Gutiérrez Hermoso]

On Wednesday, 14 March 2018 at 14:57:12 UTC, rumbu wrote:
> For 20 decimal digits, you can use decimal128 (having a 34 
> decimal digits precision) and set the context precision to 20.
>
> http://rumbu13.github.io/decimal/doc/decimal.html#.DecimalControl.precision

I would also sometimes like around 1000 decimal digits. It's fun 
to compute digits of pi, especially today (or zeta(3) or 
whatever). Can yours do that?