1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8; -*-
//
// Showing off some of the templated as<>() conversion from Rcpp
//
// Copyright (C) 2010 - 2011 Dirk Eddelbuettel and Romain Francois
#include <RInside.h> // for the embedded R via RInside
int main(int argc, char *argv[]) {
try {
RInside R(argc, argv); // create an embedded R instance
std::string txt;
txt = "m <- 1.23";
double d1 = Rcpp::as< double >(R.parseEval(txt));
std::cout << "d1 " << d1 << std::endl;
txt = "M <- 1.0 * 1:6";
std::vector<double> d2 = Rcpp::as< std::vector< double > >(R.parseEval(txt));
std::cout << "d2[0] " << d2[0] << " d2[1] " << d2[1] << std::endl;
} catch(std::exception& ex) {
std::cerr << "Exception caught: " << ex.what() << std::endl;
} catch(...) {
std::cerr << "Unknown exception caught" << std::endl;
}
exit(0);
}
|
