[Rd] key-value mapping in C inside R?

[Matteo Bertini]

On Thu, Dec 30, 2010 at 9:34 PM, Hadley Wickham <hadley at rice.edu> wrote:
> Why not use a sparse Matrix package?
> Hadley

In the original arima.c code the matrix is represented as an array of double.
I'd like to add a minimal overhead/changes on the code.

I think I'll use a simple sorted linked list to store the key-value map.
It will be enough for testing and I'll use something better if needed.

Thanks,
Matteo Bertini