<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Rcpp developers,<div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>May I kindly enquire on the wrapping of a portion of a container into an R numeric array by Rcpp::wrap?</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>For example, I wish to have:</div><div><br></div><div><br></div><div>template <class size_type, class element_type></div><div>Rcpp::NumericVector </div><div><span class="Apple-tab-span" style="white-space:pre"> </span>convert</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>(<span class="Apple-tab-span" style="white-space:pre"> </span>element_type*<span class="Apple-tab-span" style="white-space:pre"> </span>obj</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>,<span class="Apple-tab-span" style="white-space:pre"> </span>size_type*<span class="Apple-tab-span" style="white-space:pre"> </span>n</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>)</div><div>{</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Rcpp::NumericVector<span class="Apple-tab-span" style="white-space:pre"> </span>Rvec;</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Rvec.reserve(n);</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>std::copy( *obj , *(obj+n), std::back_inserter(Rvec));</div><div><span class="Apple-tab-span" style="white-space:pre"><br></span></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>return Rvec;<span class="Apple-tab-span" style="white-space:pre"> </span></div><div>}</div><div><br></div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>May I know how I can do this?</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Thank you very much.</div><div><br></div><div>Best regards,</div><div>Tama Ma</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Helvetica; "><br></div></div></body></html>