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// Copyright (C) 2013 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_Na_Proxy_h
#define Rcpp_Na_Proxy_h
namespace Rcpp{
class Na_Proxy{
friend inline bool operator==(double x , Rcpp::Na_Proxy){ return Rcpp::traits::is_na<REALSXP>(x) ; }
friend inline bool operator==(int x , Rcpp::Na_Proxy){ return Rcpp::traits::is_na<INTSXP>(x) ; }
friend inline bool operator==(Rcpp::String x, Rcpp::Na_Proxy){ return Rcpp::traits::is_na<STRSXP>(x.get_sexp()) ; }
friend inline bool operator==(Rcomplex x , Rcpp::Na_Proxy){ return Rcpp::traits::is_na<CPLXSXP>(x) ; }
friend inline bool operator==(SEXP x , Rcpp::Na_Proxy){ return TYPEOF(x)==CHARSXP && Rcpp::traits::is_na<STRSXP>(x) ; }
friend inline bool operator==(std::string , Rcpp::Na_Proxy){ return false ; }
friend inline bool operator==(const char* , Rcpp::Na_Proxy){ return false ; }
friend inline bool operator==(Rcpp::internal::string_proxy<STRSXP> x, Rcpp::Na_Proxy){
return Rcpp::traits::is_na<STRSXP>(x.get()) ;
}
friend inline bool operator==(Rcpp::internal::const_string_proxy<STRSXP> x, Rcpp::Na_Proxy){
return Rcpp::traits::is_na<STRSXP>(x.get()) ;
}
friend inline bool operator==(Rcpp::Na_Proxy, double x ){ return Rcpp::traits::is_na<REALSXP>(x) ; }
friend inline bool operator==(Rcpp::Na_Proxy, int x ){ return Rcpp::traits::is_na<INTSXP>(x) ; }
friend inline bool operator==(Rcpp::Na_Proxy, Rcpp::String x ){ return Rcpp::traits::is_na<STRSXP>(x.get_sexp()) ; }
friend inline bool operator==(Rcpp::Na_Proxy, SEXP x ){ return TYPEOF(x)==CHARSXP && Rcpp::traits::is_na<STRSXP>(x) ; }
friend inline bool operator==(Rcpp::Na_Proxy, Rcomplex x ){ return Rcpp::traits::is_na<CPLXSXP>(x) ; }
friend inline bool operator==(Rcpp::Na_Proxy, std::string ){ return false ; }
friend inline bool operator==(Rcpp::Na_Proxy, const char* ){ return false ; }
friend inline bool operator==(Rcpp::Na_Proxy, Rcpp::internal::string_proxy<STRSXP> x){
return Rcpp::traits::is_na<STRSXP>(x.get()) ;
}
friend inline bool operator==(Rcpp::Na_Proxy, Rcpp::internal::const_string_proxy<STRSXP> x){
return Rcpp::traits::is_na<STRSXP>(x.get()) ;
}
} ;
static Na_Proxy NA ;
inline LogicalVector shush_about_NA(){
return LogicalVector::create(
_["int"] = NA == NA_INTEGER,
_["double"] = NA == NA_REAL,
_["string"] = NA == NA_STRING
) ;
}
}
#endif
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