// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*- // This is a rewrite of the 'Writing R Extensions' section 5.10.1 example #include <Rcpp.h> using namespace Rcpp ; RcppExport SEXP convolve5cpp(SEXP a, SEXP b) { NumericVector xa(a); int n_xa = xa.size() ; NumericVector xb(b); int n_xb = xb.size() ; NumericVector xab(n_xa + n_xb - 1,0.0); Range r( 0, n_xb-1 ); for(int i=0; i<n_xa; i++, r++){ xab[ r ] += xa[i] * xb ; } return xab ; } #include "loopmacro.h" LOOPMACRO_CPP(convolve5cpp)