Rcpp Version 0.12.12
is_nan.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2 //
3 // is_nan.h: Rcpp R/C++ interface class library -- is_nan
4 //
5 // Copyright (C) 2013 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__is_nan_h
23 #define Rcpp__sugar__is_nan_h
24 
25 namespace Rcpp{
26 namespace sugar{
27 
28 template <int RTYPE, bool NA, typename VEC_TYPE>
29 class IsNaN : public ::Rcpp::VectorBase< LGLSXP, false, IsNaN<RTYPE,NA,VEC_TYPE> > {
30 public:
31 
32  IsNaN( const VEC_TYPE& obj_) : obj(obj_){}
33 
34  inline int operator[]( R_xlen_t i ) const {
35  return ::Rcpp::traits::is_nan<RTYPE>( obj[i] ) ;
36  }
37 
38  inline R_xlen_t size() const { return obj.size() ; }
39 
40 private:
41  const VEC_TYPE& obj ;
42 
43 } ;
44 
45 
46 } // sugar
47 
48 template <int RTYPE, bool NA, typename T>
50  return sugar::IsNaN<RTYPE,NA,T>( t.get_ref() ) ;
51 }
52 
53 } // Rcpp
54 #endif
55 
VECTOR & get_ref()
Definition: VectorBase.h:37
const VEC_TYPE & obj
Definition: is_nan.h:41
R_xlen_t size() const
Definition: is_nan.h:38
sugar::IsNaN< RTYPE, NA, T > is_nan(const Rcpp::VectorBase< RTYPE, NA, T > &t)
Definition: is_nan.h:49
int operator[](R_xlen_t i) const
Definition: is_nan.h:34
Rcpp API.
Definition: algo.h:28
IsNaN(const VEC_TYPE &obj_)
Definition: is_nan.h:32