How easy would it be to make one assuming the standard julia notation 3+4im?
On Friday, October 28, 2016 at 3:58:08 PM UTC-4, Yichao Yu wrote:
>
> On Fri, Oct 28, 2016 at 3:53 PM, Jérémy Béjanin
> <jeremy....@gmail.com <javascript:>> wrote:
> > I've noticed that parsing a string representing a real number yields a
> real
> > number, but parsing a string representing a complex number yields an
> > expression that must subsequently be evaluated. Is there a reason for
> that
> > behaviour? I'd like to avoid that behaviour considering I am reading
> > user-inputted data.
> >
> > ```julia
> > julia> typeof(parse("1.60254+3im"))
> > Expr
> >
> > julia> typeof(parse("1.60254"))
> > Float64
> > ```
>
> Do no use `parse(::String)` to parse numbers. It is for parsing
> generic julia code. Use `parse(Float64, str)` to parse a floating
> point number.
>
> I don't think we have a parsing function for complex number likely
> because there isn't a universal standard.
>
