search for: do_rowscols

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2001 Sep 27
1
Passing an R matrix to a C program
Hello, I'm starting to write a C function that gets a list and a matrix from R. I'm using .Call because I've undertood that this is recommended to handle lists (am I wrong?). My problem is that I can pass the matrix as a vector, but not as a 2D array. For example, in the following simple C program: #include <R.h> #include <Rdefines.h> SEXP printListElement(SEXP list,