// -*- 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 std::string hello() { throw std::range_error( "boom" ) ; } int bar(int x) { return x*2; } double foo(int x, double y) { return x * y; } void bla() { Rprintf("hello\\n"); } void bla1(int x) { Rprintf("hello (x = %d)\\n", x); } void bla2( int x, double y) { Rprintf("hello (x = %d, y = %5.2f)\\n", x, y); } class World { 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("hello" , &hello , "documentation for hello "); function("bla" , &bla , "documentation for bla "); function("bla1" , &bla1 , "documentation for bla1 "); function("bla2" , &bla2 , "documentation for bla2 "); // with formal arguments specification function("bar" , &bar , List::create( _["x"] = 0.0), "documentation for bar "); function("foo" , &foo , List::create( _["x"] = 1, _["y"] = 1.0), "documentation for foo "); class_("World") // expose the default constructor .constructor() .method("greet", &World::greet , "get the message") .method("set", &World::set , "set the message") ; }