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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
//
// not.h: Rcpp R/C++ interface class library --
//
// Copyright (C) 2010 - 2011 Dirk Eddelbuettel and Romain Francois
//
// This file is part of Rcpp.
//
// Rcpp is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// Rcpp is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
#ifndef Rcpp__sugar__logical__not_h
#define Rcpp__sugar__logical__not_h
namespace Rcpp{
namespace sugar{
template <bool NA> struct negate{
static inline int apply( int x ){
return Rcpp::traits::is_na<LGLSXP>( x ) ? x :
( x ? FALSE : TRUE ) ;
}
} ;
template<> struct negate<false>{
static inline int apply( int x){
return x ? FALSE : TRUE ;
} ;
} ;
template <bool NA, typename T>
class Negate_SingleLogicalResult : public SingleLogicalResult<NA, Negate_SingleLogicalResult<NA,T> >{
public:
typedef SingleLogicalResult<NA,T> TYPE ;
typedef SingleLogicalResult<NA, Negate_SingleLogicalResult<NA,T> > BASE ;
Negate_SingleLogicalResult( const TYPE& orig_ ) : orig(orig_) {}
inline void apply(){
BASE::set( negate<NA>::apply( orig.get() ) );
}
private:
const TYPE& orig ;
} ;
}
}
template <bool NA,typename T>
inline Rcpp::sugar::Negate_SingleLogicalResult<NA,T>
operator!( const Rcpp::sugar::SingleLogicalResult<NA,T>& x){
return Rcpp::sugar::Negate_SingleLogicalResult<NA,T>( x );
}
#endif
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