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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
//
// dispatch.cpp: Rcpp R/C++ interface class library -- dispatch macro 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 ;
template <typename T>
T first_el_impl(const T& x) {
T res(1);
res[0] = x[0];
return res;
}
// [[Rcpp::export]]
SEXP first_el(SEXP x) {
RCPP_RETURN_VECTOR(first_el_impl, x);
}
template <typename T>
T first_cell_impl(const T& x) {
T res(1, 1);
res(0, 0) = x(0, 0);
return res;
}
// [[Rcpp::export]]
SEXP first_cell(SEXP x) {
RCPP_RETURN_MATRIX(first_cell_impl, x)
}
|
