Hi everyone,

we are working on highly memory consuming programs (with as few loops as possible ) and we were told that programming our loop in C would make our program "lighter".
I read very carefully the documentation on R extensions and succeeded in integrating fully "C" program in R, or program using Rprintf.
But we would like to integrate an R function in our dll, for instance foo, with 5 arguments, in that C program and despite all our efforts, I did no succed: we are not "programmers" at all, and the documentation regarding that point is far too complicated for me.
Could anyone please give us a very simple example of integration of an R function in such a C program, further reintegrated in R?

Thanks a lot by advance,

Xavière Panhard
University Hospital Bichat
Paris, France
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