// -*- 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 )
;
}