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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
//
// any.h: Rcpp R/C++ interface class library -- any
//
// 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__any_h
#define Rcpp__sugar__any_h
namespace Rcpp{
namespace sugar{
template <bool NA, typename T>
class Any : public SingleLogicalResult< true, Any<NA,T> >{
public:
typedef Rcpp::VectorBase<LGLSXP,NA,T> VEC_TYPE ;
typedef SingleLogicalResult< true , Any<NA,T> > PARENT ;
Any( const VEC_TYPE& t ) : PARENT() , object(t) {}
void apply(){
R_xlen_t n = object.size() ;
int current = 0 ;
PARENT::reset() ;
for( R_xlen_t i=0 ; i<n ; i++){
current = object[i] ;
if( current == TRUE ) {
PARENT::set_true() ;
return ;
}
if( Rcpp::traits::is_na<LGLSXP>(current) ) {
PARENT::set_na();
}
}
if( PARENT::is_unresolved() ){
PARENT::set_false() ;
}
}
private:
const VEC_TYPE& object ;
} ;
template <typename T>
class Any<false,T> : public SingleLogicalResult< false, Any<false,T> >{
public:
typedef Rcpp::VectorBase<LGLSXP,false,T> VEC_TYPE ;
typedef SingleLogicalResult< false , Any<false,T> > PARENT ;
Any( const VEC_TYPE& t ) : PARENT() , object(t) {}
void apply(){
R_xlen_t n = object.size() ;
PARENT::set_false() ;
for( R_xlen_t i=0 ; i<n ; i++){
if( object[i] == TRUE ) {
PARENT::set_true() ;
return ;
}
}
}
private:
const VEC_TYPE& object ;
} ;
} // sugar
template <bool NA, typename T>
inline sugar::Any<NA,T> any( const Rcpp::VectorBase<LGLSXP,NA,T>& t){
return sugar::Any<NA,T>( t ) ;
}
} // Rcpp
#endif
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