48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
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//
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// dispatch.cpp: Rcpp R/C++ interface class library -- dispatch macro unit tests
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//
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// Copyright (C) 2013 Dirk Eddelbuettel and Romain Francois
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//
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// This file is part of Rcpp.
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//
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// Rcpp is free software: you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 2 of the License, or
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// (at your option) any later version.
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//
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// Rcpp is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
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#include <Rcpp.h>
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using namespace Rcpp ;
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template <typename T>
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T first_el_impl(const T& x) {
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T res(1);
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res[0] = x[0];
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return res;
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}
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// [[Rcpp::export]]
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SEXP first_el(SEXP x) {
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RCPP_RETURN_VECTOR(first_el_impl, x);
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}
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template <typename T>
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T first_cell_impl(const T& x) {
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T res(1, 1);
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res(0, 0) = x(0, 0);
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return res;
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}
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// [[Rcpp::export]]
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SEXP first_cell(SEXP x) {
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RCPP_RETURN_MATRIX(first_cell_impl, x)
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}
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