86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
// -*- 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")
|
|
;
|
|
}
|
|
|
|
|