Rcpp Version 0.12.12
not.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2 //
3 // not.h: Rcpp R/C++ interface class library --
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
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17 // GNU General Public License for more details.
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21 
22 #ifndef Rcpp__sugar__logical__not_h
23 #define Rcpp__sugar__logical__not_h
24 
25 namespace Rcpp{
26 namespace sugar{
27 
28 template <bool NA> struct negate{
29  static inline int apply( int x ){
30  return Rcpp::traits::is_na<LGLSXP>( x ) ? x :
31  ( x ? FALSE : TRUE ) ;
32  }
33 } ;
34 template<> struct negate<false>{
35  static inline int apply( int x){
36  return x ? FALSE : TRUE ;
37  } ;
38 } ;
39 
40 
41 template <bool NA, typename T>
42 class Negate_SingleLogicalResult : public SingleLogicalResult<NA, Negate_SingleLogicalResult<NA,T> >{
43 public:
46  Negate_SingleLogicalResult( const TYPE& orig_ ) : orig(orig_) {}
47 
48  inline void apply(){
49  BASE::set( negate<NA>::apply( orig.get() ) );
50  }
51 
52 private:
53  const TYPE& orig ;
54 
55 } ;
56 
57 }
58 }
59 
60 template <bool NA,typename T>
64 }
65 
66 
67 #endif
Rcpp::sugar::Negate_SingleLogicalResult< NA, T > operator!(const Rcpp::sugar::SingleLogicalResult< NA, T > &x)
Definition: not.h:62
static int apply(int x)
Definition: not.h:29
bool is_na< LGLSXP >(int x)
Definition: is_na.h:57
SingleLogicalResult< NA, Negate_SingleLogicalResult< NA, T > > BASE
Definition: not.h:45
Negate_SingleLogicalResult(const TYPE &orig_)
Definition: not.h:46
Rcpp API.
Definition: algo.h:28
SingleLogicalResult< NA, T > TYPE
Definition: not.h:44
static int apply(int x)
Definition: not.h:35