Rcpp Version 0.12.14
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
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13 //
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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 //
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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 
25 namespace Rcpp{
26 namespace sugar{
27 
28 class SeqLen : public VectorBase< INTSXP,false,SeqLen > {
29 public:
30  SeqLen( R_xlen_t len_ ) : len(len_){}
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 
37 private:
38  R_xlen_t len ;
39 } ;
40 
41 } // sugar
42 
43 template <int RTYPE, bool NA, typename T>
45  return sugar::SeqLen( t.size() ) ;
46 }
47 
48 inline sugar::SeqLen seq_len( const size_t& n){
49  return sugar::SeqLen( n ) ;
50 }
51 
52 inline 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: seq_along.h:35
SeqLen(R_xlen_t len_)
Definition: seq_along.h:30
sugar::SeqLen seq_along(const Rcpp::VectorBase< RTYPE, NA, T > &t)
Definition: seq_along.h:44
R_xlen_t operator[](R_xlen_t i) const
Definition: seq_along.h:32
Range seq(R_xlen_t start, R_xlen_t end)
Definition: seq_along.h:52
sugar::SeqLen seq_len(const size_t &n)
Definition: seq_along.h:48
R_xlen_t size() const
Definition: VectorBase.h:49
Rcpp API.
Definition: algo.h:28