but in C i have **double, wich is pointer pointer to array.
Also in link that I gave, there an example for 2D where it is
Ptr{Ptr{Float64}}
But anyway, could you give an example for ccall in your case???
пятница, 4 ноября 2016 г., 17:05:57 UTC+3 пользователь Yichao Yu написал:
>
> On Fri, Nov 4, 2016 at 9:22 AM, Alexander Lyapin
> <lyapinaa...@gmail.com <javascript:>> wrote:
> > There is a topic:
> > https://groups.google.com/d/msg/julia-users/EK9oNzzaoAk/kJqagPL0Ku0J
> >
> > However could some one give an example how to pass 3-d or 4-d array to C
> > function.
> >
> > I have Array{Float64, 4} and for ccall I use Ptr{Ptr{Ptr{Ptr{Float64}}}}
> as
> > Type of parameter. Is there some way to make it more common for
> > Array{Float64, N}??? Thank you
>
> No matter what the dimension is,it's always a `Ptr{eltype(array)}` in
> C (`Ptr{Float64}` in thiscase) and since it's just a normalpointer,
> you always need topass the dimensions explicitlyto C in another
> argumetns.
>
