// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*- // // rcpp_module.cpp: Rcpp R/C++ interface class library -- Rcpp Module examples // // Copyright (C) 2010 - 2012 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 . #include // need to include the main Rcpp header file only int bar(int x) { // simple free function returning an int return x*2; } double foo(int x, double y) { // simple free function returning a double return x * y; } void bla( ) { // no input or return but output side effect Rprintf( "hello\n" ); } void bla1(int x) { // output reflecting a single input Rprintf( "hello (x = %d)\n", x); } void bla2(int x, double y) { // output reflecting two inputs Rprintf( "hello (x = %d, y = %5.2f)\n", x, y); } class World { // a simple class with a setter and getter public: World() : msg("hello"){} void set(std::string msg) { this->msg = msg; } std::string greet() { return msg; } private: std::string msg; }; RCPP_MODULE(yada){ using namespace Rcpp; function( "bar" , &bar ); function( "foo" , &foo ); function( "bla" , &bla ); function( "bla1" , &bla1 ); function( "bla2" , &bla2 ); class_( "World" ) .default_constructor() .method( "greet", &World::greet ) .method( "set", &World::set ) ; }