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File: dispatch.cpp
// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*- // // dispatch.cpp: Rcpp R/C++ interface class library -- dispatch macro unit tests // // Copyright (C) 2013 Dirk Eddelbuettel and Romain Francois // // This file is part of Rcpp. // // Rcpp is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 2 of the License, or // (at your option) any later version. // // Rcpp is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Rcpp. If not, see <http://www.gnu.org/licenses/>. #include <Rcpp.h> using namespace Rcpp ; template <typename T> T first_el_impl(const T& x) { T res(1); res[0] = x[0]; return res; } // [[Rcpp::export]] SEXP first_el(SEXP x) { RCPP_RETURN_VECTOR(first_el_impl, x); } template <typename T> T first_cell_impl(const T& x) { T res(1, 1); res(0, 0) = x(0, 0); return res; } // [[Rcpp::export]] SEXP first_cell(SEXP x) { RCPP_RETURN_MATRIX(first_cell_impl, x) }