Hi,

Ismael Venegas Castelló <ismael.vc1...@gmail.com> writes:
> julia> Base.sum{T<:Real, S<:Real}(::Type{T}, xs::Range{S})::T = sum(xs) 
> julia> r = 1:100; sum(r), sum(Int32, r)

thanks for this, but as I understand it, for my particular case in which
I'm interested in working with 32bits Integers this would be similar to
just doing:

Int32(sum(1:100))

OK, the result will be of type Int32 but everything in between has been
calculated as Int64, right?

I wanted to see if there is any difference in speed when doing addition
(or any other operations) only with Int32 instructions (assuming I know
I won't get overflows).

Cheers,
-- 
Ángel de Vicente
http://www.iac.es/galeria/angelv/          

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