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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
//
// misc.cpp: Rcpp R/C++ interface class library -- misc unit tests
//
// Copyright (C) 2013 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>
using namespace Rcpp ;
using namespace std;
#include <iostream>
#include <fstream>
class simple {
Rcpp::Dimension dd;
public:
simple(SEXP xp) : dd(xp) {}
int nrow() const { return dd[0]; }
int ncol() const { return dd[1]; }
};
// [[Rcpp::export]]
SEXP symbol_(){
return LogicalVector::create(
Symbol( Rf_install("foobar") ) == Rf_install("foobar"),
Symbol( Rf_mkChar("foobar") ) == Rf_install("foobar"),
Symbol( Rf_mkString("foobar") ) == Rf_install("foobar"),
Symbol( "foobar" ) == Rf_install("foobar")
) ;
}
// [[Rcpp::export]]
Symbol symbol_ctor(SEXP x){ return Symbol(x); }
// [[Rcpp::export]]
List Argument_(){
Argument x("x"), y("y");
return List::create( x = 2, y = 3 );
}
// [[Rcpp::export]]
int Dimension_const( SEXP ia ){
simple ss(ia);
return ss.nrow();
}
// [[Rcpp::export]]
SEXP evaluator_error(){
return Rcpp_eval( Rf_lang2( Rf_install("stop"), Rf_mkString( "boom" ) ) ) ;
}
// [[Rcpp::export]]
SEXP evaluator_ok(SEXP x){
return Rcpp_eval( Rf_lang2( Rf_install("sample"), x ) ) ;
}
// [[Rcpp::export]]
void exceptions_(){
throw std::range_error("boom") ;
}
// [[Rcpp::export]]
LogicalVector has_iterator_( ){
return LogicalVector::create(
(bool)Rcpp::traits::has_iterator< std::vector<int> >::value,
(bool)Rcpp::traits::has_iterator< std::list<int> >::value,
(bool)Rcpp::traits::has_iterator< std::deque<int> >::value,
(bool)Rcpp::traits::has_iterator< std::set<int> >::value,
(bool)Rcpp::traits::has_iterator< std::map<std::string,int> >::value,
(bool)Rcpp::traits::has_iterator< std::pair<std::string,int> >::value,
(bool)Rcpp::traits::has_iterator< Rcpp::Symbol >::value
);
}
// [[Rcpp::export]]
void test_rcout(std::string tfile, std::string teststring){
// define and open testfile
std::ofstream testfile(tfile.c_str());
// save output buffer of the Rcout stream
std::streambuf* Rcout_buffer = Rcout.rdbuf();
// redirect ouput into testfile
Rcout.rdbuf( testfile.rdbuf() );
// write a test string to the file
Rcout << teststring << std::endl;
// restore old output buffer
Rcout.rdbuf(Rcout_buffer);
// close testfile
testfile.close();
}
// [[Rcpp::export]]
LogicalVector na_proxy(){
CharacterVector s("foo") ;
return LogicalVector::create(
NA_REAL == NA,
NA_INTEGER == NA,
NA_STRING == NA,
true == NA,
false == NA,
1.2 == NA,
12 == NA,
"foo" == NA,
s[0] == NA,
NA == NA_REAL,
NA == NA_INTEGER,
NA == NA_STRING,
NA == true,
NA == false,
NA == 1.2 ,
NA == 12 ,
NA == "foo",
NA == s[0]
) ;
}
// [[Rcpp::export]]
StretchyList stretchy_list(){
StretchyList out ;
out.push_back( 1 ) ;
out.push_front( "foo" ) ;
out.push_back( 3.2 ) ;
return out;
}
// [[Rcpp::export]]
StretchyList named_stretchy_list(){
StretchyList out ;
out.push_back( _["b"] = 1 ) ;
out.push_front( _["a"] = "foo" ) ;
out.push_back( _["c"] = 3.2 ) ;
return out;
}
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