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// -*- 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 <http://www.gnu.org/licenses/>.
#include <Rcpp.h>
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>("World")
// expose the default constructor
.constructor()
.method("greet", &World::greet , "get the message")
.method("set", &World::set , "set the message")
;
}
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