as Erik says:
immutable Point # immutable is the kind of type to use when you want
memory to be immediate
x::Cdouble
y::Cdouble
end
a = [Point(0.0, 0.0),Point(0.2,0.3),Point(1.1, 1.3)]
sizeof(a)
48
On Thursday, February 25, 2016 at 4:34:20 PM UTC-5, Martin Kuzma wrote:
>
> I have the the following type defined:
>
> type Point
> x::Cdouble
> y::Cdouble
> end
> Calling sizeof returns 16 as expected. But when I have for example:
>
> a = [Point(0.0, 0.0),Point(0.2,0.3),Point(1.1, 1.3)]
>
> sizeof returns *24*. But I expected it to return 3 * 16 = *48*. (It looks
> like in the array are stored pointers to Point objects not the objects)
>
> My problem is that I need to convert Vector{Point} to Vector{Cdouble}. So
> i tried:
>
> tmp1 = pointer(a)
> tmp2 = convert(Ptr{Cdouble}, tmp1)
> points = pointer_to_array(tmp2, length(a) * 2, true)
> But the output is not what I want it to be. It is an array of some random
> values. Is there a way to make this work? All i need is basically to
> convert Vector{Point} to Vector{Cdouble} without the need of creating a new
> array.
>
>
>
>
>
>
>
