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seq_along.h
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1// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2//
3// seq_along.h: Rcpp R/C++ interface class library -- any
4//
5// Copyright (C) 2010 - 2011 Dirk Eddelbuettel and Romain Francois
6//
7// This file is part of Rcpp.
8//
9// Rcpp is free software: you can redistribute it and/or modify it
10// under the terms of the GNU General Public License as published by
11// the Free Software Foundation, either version 2 of the License, or
12// (at your option) any later version.
13//
14// Rcpp is distributed in the hope that it will be useful, but
15// WITHOUT ANY WARRANTY; without even the implied warranty of
16// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17// GNU General Public License for more details.
18//
19// You should have received a copy of the GNU General Public License
20// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
21
22#ifndef Rcpp__sugar__seq_along_h
23#define Rcpp__sugar__seq_along_h
24
25namespace Rcpp{
26namespace sugar{
27
28class SeqLen : public VectorBase< INTSXP,false,SeqLen > {
29public:
31
32 inline R_xlen_t operator[]( R_xlen_t i ) const {
33 return 1 + i ;
34 }
35 inline R_xlen_t size() const { return len ; }
36
37private:
39} ;
40
41} // sugar
42
43template <int RTYPE, bool NA, typename T>
45 return sugar::SeqLen( t.size() ) ;
46}
47
48inline sugar::SeqLen seq_len( const size_t& n){
49 return sugar::SeqLen( n ) ;
50}
51
52inline Range seq(R_xlen_t start, R_xlen_t end){
53 return Range( start, end ) ;
54}
55
56
57} // Rcpp
58#endif
59
R_xlen_t size() const
Definition VectorBase.h:49
SeqLen(R_xlen_t len_)
Definition seq_along.h:30
R_xlen_t operator[](R_xlen_t i) const
Definition seq_along.h:32
R_xlen_t size() const
Definition seq_along.h:35
Rcpp API.
Definition algo.h:28
sugar::SeqLen seq_len(const size_t &n)
Definition seq_along.h:48
Range seq(R_xlen_t start, R_xlen_t end)
Definition seq_along.h:52
T as(SEXP x)
Definition as.h:151
sugar::SeqLen seq_along(const Rcpp::VectorBase< RTYPE, NA, T > &t)
Definition seq_along.h:44