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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
//
// and.h: Rcpp R/C++ interface class library --
//
// Copyright (C) 2010 - 2012 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_and_h
#define Rcpp__sugar__logical_and_h
namespace Rcpp{
namespace sugar{
template <bool LHS_NA, typename LHS_T, bool RHS_NA, typename RHS_T>
class And_SingleLogicalResult_SingleLogicalResult :
public SingleLogicalResult<
(LHS_NA || RHS_NA) ,
And_SingleLogicalResult_SingleLogicalResult<LHS_NA,LHS_T,RHS_NA,RHS_T>
>
{
public:
typedef SingleLogicalResult<LHS_NA,LHS_T> LHS_TYPE ;
typedef SingleLogicalResult<RHS_NA,RHS_T> RHS_TYPE ;
typedef SingleLogicalResult<
(LHS_NA || RHS_NA) ,
And_SingleLogicalResult_SingleLogicalResult<LHS_NA,LHS_T,RHS_NA,RHS_T>
> BASE ;
And_SingleLogicalResult_SingleLogicalResult( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_) :
lhs(lhs_), rhs(rhs_){} ;
inline void apply(){
int left = lhs.get() ;
if( Rcpp::traits::is_na<LGLSXP>( left ) ){
BASE::set( left ) ;
} else if( left == FALSE ){
BASE::set( FALSE ) ;
} else {
BASE::set( rhs.get() ) ;
}
}
private:
const LHS_TYPE& lhs ;
const RHS_TYPE& rhs ;
} ;
// special version when we know the rhs is not NA
template <bool LHS_NA, typename LHS_T, typename RHS_T>
class And_SingleLogicalResult_SingleLogicalResult<LHS_NA,LHS_T,false,RHS_T> :
public SingleLogicalResult<
LHS_NA ,
And_SingleLogicalResult_SingleLogicalResult<LHS_NA,LHS_T,false,RHS_T>
>
{
public:
typedef SingleLogicalResult<LHS_NA,LHS_T> LHS_TYPE ;
typedef SingleLogicalResult<false,RHS_T> RHS_TYPE ;
typedef SingleLogicalResult<
LHS_NA,
And_SingleLogicalResult_SingleLogicalResult<LHS_NA,LHS_T,false,RHS_T>
> BASE ;
And_SingleLogicalResult_SingleLogicalResult( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_) :
lhs(lhs_), rhs(rhs_){} ;
inline void apply(){
// here we know rhs does not have NA, so we start with the rhs
int right = rhs.get() ;
if( right == FALSE ){
BASE::set( FALSE ) ;
} else {
BASE::set( lhs.get() ) ;
}
}
private:
const LHS_TYPE& lhs ;
const RHS_TYPE& rhs ;
} ;
// special version when we know the lhs is not NA
template <typename LHS_T, bool RHS_NA, typename RHS_T>
class And_SingleLogicalResult_SingleLogicalResult<false,LHS_T,RHS_NA,RHS_T> :
public SingleLogicalResult<
RHS_NA ,
And_SingleLogicalResult_SingleLogicalResult<false,LHS_T,RHS_NA,RHS_T>
>
{
public:
typedef SingleLogicalResult<false,LHS_T> LHS_TYPE ;
typedef SingleLogicalResult<RHS_NA,RHS_T> RHS_TYPE ;
typedef SingleLogicalResult<
RHS_NA,
And_SingleLogicalResult_SingleLogicalResult<false,LHS_T,RHS_NA,RHS_T>
> BASE ;
And_SingleLogicalResult_SingleLogicalResult( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_) :
lhs(lhs_), rhs(rhs_){} ;
inline void apply(){
// here we know lhs does not have NA, so we start with the rhs
int left = lhs.get() ;
if( left == FALSE ){
BASE::set( FALSE ) ;
} else {
BASE::set( rhs.get() ) ;
}
}
private:
const LHS_TYPE& lhs ;
const RHS_TYPE& rhs ;
} ;
// special version when we know both the lhs and the rhs are not NA
template <typename LHS_T, typename RHS_T>
class And_SingleLogicalResult_SingleLogicalResult<false,LHS_T,false,RHS_T> :
public SingleLogicalResult<
false ,
And_SingleLogicalResult_SingleLogicalResult<false,LHS_T,false,RHS_T>
>
{
public:
typedef SingleLogicalResult<false,LHS_T> LHS_TYPE ;
typedef SingleLogicalResult<false,RHS_T> RHS_TYPE ;
typedef SingleLogicalResult<
false,
And_SingleLogicalResult_SingleLogicalResult<false,LHS_T,false,RHS_T>
> BASE ;
And_SingleLogicalResult_SingleLogicalResult( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_) :
lhs(lhs_), rhs(rhs_){} ;
inline void apply(){
int left = lhs.get() ;
if( left == FALSE ){
BASE::set( FALSE ) ;
} else {
BASE::set( rhs.get() ) ;
}
}
private:
const LHS_TYPE& lhs ;
const RHS_TYPE& rhs ;
} ;
template <bool LHS_NA, typename LHS_T>
class And_SingleLogicalResult_bool :
public SingleLogicalResult<
LHS_NA ,
And_SingleLogicalResult_bool<LHS_NA,LHS_T>
>
{
public:
typedef SingleLogicalResult<LHS_NA,LHS_T> LHS_TYPE ;
typedef SingleLogicalResult<
LHS_NA ,
And_SingleLogicalResult_bool<LHS_NA,LHS_T>
> BASE ;
And_SingleLogicalResult_bool( const LHS_TYPE& lhs_, bool rhs_) :
lhs(lhs_), rhs(rhs_){} ;
inline void apply(){
if( !rhs ){
BASE::set( FALSE ) ;
} else{
BASE::set( lhs.get() ) ;
}
}
private:
const LHS_TYPE& lhs ;
bool rhs ;
} ;
// (LogicalExpression) & (LogicalExpression)
template <bool LHS_NA, typename LHS_T, bool RHS_NA, typename RHS_T>
class And_LogicalExpression_LogicalExpression : public Rcpp::VectorBase< LGLSXP, true, And_LogicalExpression_LogicalExpression<LHS_NA,LHS_T,RHS_NA,RHS_T> >{
public:
typedef typename Rcpp::VectorBase<LGLSXP,LHS_NA,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<LGLSXP,RHS_NA,RHS_T> RHS_TYPE ;
And_LogicalExpression_LogicalExpression( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) : lhs(lhs_), rhs(rhs_){}
inline int operator[]( R_xlen_t i ) const{
if( lhs[i] == TRUE && rhs[i] == TRUE ) return TRUE ;
if( lhs[i] == NA_LOGICAL || rhs[i] == NA_LOGICAL ) return NA_LOGICAL ;
return FALSE ;
}
inline R_xlen_t size() const { return lhs.size(); }
private:
const LHS_TYPE& lhs ;
const RHS_TYPE& rhs ;
} ;
template <typename LHS_T, bool RHS_NA, typename RHS_T>
class And_LogicalExpression_LogicalExpression<false,LHS_T,RHS_NA,RHS_T>
: public Rcpp::VectorBase< LGLSXP, true, And_LogicalExpression_LogicalExpression<false,LHS_T,RHS_NA,RHS_T> >{
public:
typedef typename Rcpp::VectorBase<LGLSXP,false,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<LGLSXP,RHS_NA,RHS_T> RHS_TYPE ;
And_LogicalExpression_LogicalExpression( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) : lhs(lhs_), rhs(rhs_){}
inline int operator[]( R_xlen_t i ) const{
if( lhs[i] == TRUE && rhs[i] == TRUE ) return TRUE ;
if( rhs[i] == NA_LOGICAL ) return NA_LOGICAL ;
return FALSE ;
}
inline R_xlen_t size() const { return lhs.size(); }
private:
const LHS_TYPE& lhs ;
const RHS_TYPE& rhs ;
} ;
template <bool LHS_NA, typename LHS_T, typename RHS_T>
class And_LogicalExpression_LogicalExpression<LHS_NA,LHS_T,false,RHS_T>
: public Rcpp::VectorBase< LGLSXP, true, And_LogicalExpression_LogicalExpression<LHS_NA,LHS_T,false,RHS_T> >{
public:
typedef typename Rcpp::VectorBase<LGLSXP,LHS_NA,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<LGLSXP,false,RHS_T> RHS_TYPE ;
And_LogicalExpression_LogicalExpression( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) : lhs(lhs_), rhs(rhs_){}
inline int operator[]( R_xlen_t i ) const{
if( lhs[i] == TRUE && rhs[i] == TRUE ) return TRUE ;
if( lhs[i] == NA_LOGICAL ) return NA_LOGICAL ;
return FALSE;
}
inline R_xlen_t size() const { return lhs.size(); }
private:
const LHS_TYPE& lhs ;
const RHS_TYPE& rhs ;
} ;
template <typename LHS_T, typename RHS_T>
class And_LogicalExpression_LogicalExpression<false,LHS_T,false,RHS_T>
: public Rcpp::VectorBase< LGLSXP, false, And_LogicalExpression_LogicalExpression<false,LHS_T,false,RHS_T> >{
public:
typedef typename Rcpp::VectorBase<LGLSXP,false,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<LGLSXP,false,RHS_T> RHS_TYPE ;
And_LogicalExpression_LogicalExpression( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) : lhs(lhs_), rhs(rhs_){}
inline int operator[]( R_xlen_t i ) const{
if( lhs[i] == TRUE && rhs[i] == TRUE ) return TRUE ;
return FALSE;
}
inline R_xlen_t size() const { return lhs.size(); }
private:
const LHS_TYPE& lhs ;
const RHS_TYPE& rhs ;
} ;
}
}
template <bool LHS_NA, typename LHS_T, bool RHS_NA, typename RHS_T>
inline Rcpp::sugar::And_SingleLogicalResult_SingleLogicalResult<LHS_NA,LHS_T,RHS_NA,RHS_T>
operator&&(
const Rcpp::sugar::SingleLogicalResult<LHS_NA,LHS_T>& lhs,
const Rcpp::sugar::SingleLogicalResult<LHS_NA,LHS_T>& rhs
){
return Rcpp::sugar::And_SingleLogicalResult_SingleLogicalResult<LHS_NA,LHS_T,RHS_NA,RHS_T>( lhs, rhs ) ;
}
template <bool LHS_NA, typename LHS_T>
inline Rcpp::sugar::And_SingleLogicalResult_bool<LHS_NA,LHS_T>
operator&&(
const Rcpp::sugar::SingleLogicalResult<LHS_NA,LHS_T>& lhs,
bool rhs
){
return Rcpp::sugar::And_SingleLogicalResult_bool<LHS_NA,LHS_T>( lhs, rhs ) ;
}
template <bool LHS_NA, typename LHS_T>
inline Rcpp::sugar::And_SingleLogicalResult_bool<LHS_NA,LHS_T>
operator&&(
bool rhs,
const Rcpp::sugar::SingleLogicalResult<LHS_NA,LHS_T>& lhs
){
return Rcpp::sugar::And_SingleLogicalResult_bool<LHS_NA,LHS_T>( lhs, rhs ) ;
}
// (logical expression) & (logical expression)
template <bool LHS_NA, typename LHS_T, bool RHS_NA, typename RHS_T>
inline Rcpp::sugar::And_LogicalExpression_LogicalExpression<LHS_NA,LHS_T,RHS_NA,RHS_T>
operator&(
const Rcpp::VectorBase<LGLSXP,LHS_NA,LHS_T>& lhs,
const Rcpp::VectorBase<LGLSXP,RHS_NA,RHS_T>& rhs
){
return Rcpp::sugar::And_LogicalExpression_LogicalExpression<LHS_NA,LHS_T,RHS_NA,RHS_T>( lhs, rhs ) ;
}
#endif
|
