>>product<-.C("prodgdot",myx=x,muy=y,myn=NROW(x),myoutput=as.double(0))
>
> Error in .C("prodgdot", myx = x, muy = y, myn = NROW(x), myoutput =
> as.double(0)) :
> C symbol name "prodgdot" not in load table
>
>
> Does anyone know what is the problem?
C++ name mangling?
http://cran.r-project.org/doc/manuals/R-exts.html#Interfacing-C_002b_002b-code
Solution: wrap in extern "C" { ... } as discussed there.
Barry
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