Hi
Im trying to use some C++ functions in R. However, these functions are
build around unsigned char* variables (1D array). I have for example a
large matrix in R that represents black (e.g. 1-bit image, 0 and 1s). I
cant find a solution to convert a character vector into unsigned char*
within Rcpp. Im new to Rcpp and C++ so I might have missed something
obvious here. Please direct me to resources on this topic (google did
not help much).
A start:
SEXP test(SEXP cM){
CharacterVector Vc(cM);
int n = Vr.size();
RawVector x(n); //is this the same as unsigned char* ?
//I tried to fill it with char*(Mr) but I
didnt succeed
}
Thanks,
Gustaf
--
Gustaf Granath (PhD)
Post doc
McMaster University
School of Geography & Earth Sciences
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