Dear R-help,
how could I create an R call in C code using lang2 with 2 and more
arguments? I tried this code:
SEXP f(SEXP fn, SEXP rho)
{
SEXP R_fcall, x, y;
PROTECT(R_fcall = lang2(fn, R_NilValue));
PROTECT(x = allocVector(REALSXP, 1));
PROTECT(y = allocVector(REALSXP, 1));
REAL(x)[0] = 10;
REAL(y)[0] = 20;
SETCADR(R_fcall, x);
SETCADR(R_fcall, y);
UNPROTECT(3);
return R_fcall;
}
.Call("f", c, new.env()) returns
`.Primitive("c")(20)', but not `.Primitive("c")(10, 20)',
as I expected. How can I recieve the disired result?
Thank you very much.
--
WBR,
Timur.
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