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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 4 -*-
//
// times.h: Rcpp R/C++ interface class library -- operator*
//
// 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__times_h
#define Rcpp__sugar__times_h
namespace Rcpp{
namespace sugar{
template <int RTYPE, bool LHS_NA, typename LHS_T, bool RHS_NA, typename RHS_T >
class Times_Vector_Vector : public Rcpp::VectorBase<RTYPE, true , Times_Vector_Vector<RTYPE,LHS_NA,LHS_T,RHS_NA,RHS_T> > {
public:
typedef typename traits::storage_type<RTYPE>::type STORAGE ;
typedef typename Rcpp::VectorBase<RTYPE,LHS_NA,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<RTYPE,RHS_NA,RHS_T> RHS_TYPE ;
typedef typename Rcpp::traits::Extractor< RTYPE, LHS_NA, LHS_T>::type LHS_EXT ;
typedef typename Rcpp::traits::Extractor< RTYPE, RHS_NA, RHS_T>::type RHS_EXT ;
Times_Vector_Vector( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_.get_ref()) {
}
inline STORAGE operator[]( R_xlen_t i ) const {
STORAGE lhs_ = lhs[i] ;
if( traits::is_na<RTYPE>(lhs_) ) return lhs_ ;
STORAGE rhs_ = rhs[i] ;
return traits::is_na<RTYPE>(rhs_) ? rhs_ : (lhs_ * rhs_) ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const LHS_EXT& lhs ;
const RHS_EXT& rhs ;
} ;
// RTYPE = REALSXP
template <bool LHS_NA, typename LHS_T, bool RHS_NA, typename RHS_T >
class Times_Vector_Vector<REALSXP,LHS_NA,LHS_T,RHS_NA,RHS_T> :
public Rcpp::VectorBase<REALSXP, true , Times_Vector_Vector<REALSXP,LHS_NA,LHS_T,RHS_NA,RHS_T> > {
public:
typedef typename Rcpp::VectorBase<REALSXP,LHS_NA,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<REALSXP,RHS_NA,RHS_T> RHS_TYPE ;
typedef typename Rcpp::traits::Extractor<REALSXP, LHS_NA, LHS_T>::type LHS_EXT ;
typedef typename Rcpp::traits::Extractor<REALSXP, RHS_NA, RHS_T>::type RHS_EXT ;
Times_Vector_Vector( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_.get_ref()) {
}
inline double operator[]( R_xlen_t i ) const {
return lhs[i] * rhs[i];
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const LHS_EXT& lhs ;
const RHS_EXT& rhs ;
} ;
// specialization LHS_NA = false
template <int RTYPE, typename LHS_T, bool RHS_NA, typename RHS_T >
class Times_Vector_Vector<RTYPE,false,LHS_T,RHS_NA,RHS_T> : public Rcpp::VectorBase<RTYPE,true, Times_Vector_Vector<RTYPE,false,LHS_T,RHS_NA,RHS_T> > {
public:
typedef typename traits::storage_type<RTYPE>::type STORAGE ;
typedef typename Rcpp::VectorBase<RTYPE,false,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<RTYPE,RHS_NA,RHS_T> RHS_TYPE ;
typedef typename Rcpp::traits::Extractor< RTYPE, false, LHS_T>::type LHS_EXT ;
typedef typename Rcpp::traits::Extractor< RTYPE, RHS_NA, RHS_T>::type RHS_EXT ;
Times_Vector_Vector( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_.get_ref()){}
inline STORAGE operator[]( R_xlen_t i ) const {
STORAGE rhs_ = rhs[i] ;
if( traits::is_na<RTYPE>(rhs_) ) return rhs_ ;
return lhs[i] * rhs_ ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const LHS_EXT& lhs ;
const RHS_EXT& rhs ;
} ;
// RTYPE = REALSXP
template <typename LHS_T, bool RHS_NA, typename RHS_T >
class Times_Vector_Vector<REALSXP,false,LHS_T,RHS_NA,RHS_T> :
public Rcpp::VectorBase<REALSXP,true, Times_Vector_Vector<REALSXP,false,LHS_T,RHS_NA,RHS_T> > {
public:
typedef typename Rcpp::VectorBase<REALSXP,false,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<REALSXP,RHS_NA,RHS_T> RHS_TYPE ;
typedef typename Rcpp::traits::Extractor<REALSXP, false, LHS_T>::type LHS_EXT ;
typedef typename Rcpp::traits::Extractor<REALSXP, RHS_NA, RHS_T>::type RHS_EXT ;
Times_Vector_Vector( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_.get_ref()){}
inline double operator[]( R_xlen_t i ) const {
return lhs[i] * rhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const LHS_EXT& lhs ;
const RHS_EXT& rhs ;
} ;
// specialization for RHS_NA = false
template <int RTYPE, bool LHS_NA, typename LHS_T, typename RHS_T >
class Times_Vector_Vector<RTYPE,LHS_NA,LHS_T,false,RHS_T> : public Rcpp::VectorBase<RTYPE, true , Times_Vector_Vector<RTYPE,LHS_NA,LHS_T,false,RHS_T> > {
public:
typedef typename traits::storage_type<RTYPE>::type STORAGE ;
typedef typename Rcpp::VectorBase<RTYPE,LHS_NA,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<RTYPE,false,RHS_T> RHS_TYPE ;
typedef typename Rcpp::traits::Extractor< RTYPE, LHS_NA, LHS_T>::type LHS_EXT ;
typedef typename Rcpp::traits::Extractor< RTYPE, false, RHS_T>::type RHS_EXT ;
Times_Vector_Vector( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_.get_ref()){}
inline STORAGE operator[]( R_xlen_t i ) const {
STORAGE lhs_ = lhs[i] ;
if( traits::is_na<RTYPE>(lhs_) ) return lhs_ ;
return lhs_ * rhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const LHS_EXT& lhs ;
const RHS_EXT& rhs ;
} ;
// RTYPE = REALSXP
template <bool LHS_NA, typename LHS_T, typename RHS_T >
class Times_Vector_Vector<REALSXP,LHS_NA,LHS_T,false,RHS_T> :
public Rcpp::VectorBase<REALSXP, true , Times_Vector_Vector<REALSXP,LHS_NA,LHS_T,false,RHS_T> > {
public:
typedef typename Rcpp::VectorBase<REALSXP,LHS_NA,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<REALSXP,false,RHS_T> RHS_TYPE ;
typedef typename Rcpp::traits::Extractor<REALSXP, LHS_NA, LHS_T>::type LHS_EXT ;
typedef typename Rcpp::traits::Extractor<REALSXP, false, RHS_T>::type RHS_EXT ;
Times_Vector_Vector( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_.get_ref()){}
inline double operator[]( R_xlen_t i ) const {
return lhs[i] * rhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const LHS_EXT& lhs ;
const RHS_EXT& rhs ;
} ;
// specialization for RHS_NA = false and LHS_NA = false
template <int RTYPE, typename LHS_T, typename RHS_T >
class Times_Vector_Vector<RTYPE,false,LHS_T,false,RHS_T> : public Rcpp::VectorBase<RTYPE, false , Times_Vector_Vector<RTYPE,false,LHS_T,false,RHS_T> > {
public:
typedef typename traits::storage_type<RTYPE>::type STORAGE ;
typedef typename Rcpp::VectorBase<RTYPE,false,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<RTYPE,false,RHS_T> RHS_TYPE ;
typedef typename Rcpp::traits::Extractor< RTYPE, false, LHS_T>::type LHS_EXT ;
typedef typename Rcpp::traits::Extractor< RTYPE, false, RHS_T>::type RHS_EXT ;
Times_Vector_Vector( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_.get_ref()){}
inline STORAGE operator[]( R_xlen_t i ) const {
return lhs[i] * rhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const LHS_EXT& lhs ;
const RHS_EXT& rhs ;
} ;
// RTYPE = REALSXP
template <typename LHS_T, typename RHS_T >
class Times_Vector_Vector<REALSXP,false,LHS_T,false,RHS_T> :
public Rcpp::VectorBase<REALSXP, false , Times_Vector_Vector<REALSXP,false,LHS_T,false,RHS_T> > {
public:
typedef typename Rcpp::VectorBase<REALSXP,false,LHS_T> LHS_TYPE ;
typedef typename Rcpp::VectorBase<REALSXP,false,RHS_T> RHS_TYPE ;
typedef typename Rcpp::traits::Extractor<REALSXP, false, LHS_T>::type LHS_EXT ;
typedef typename Rcpp::traits::Extractor<REALSXP, false, RHS_T>::type RHS_EXT ;
Times_Vector_Vector( const LHS_TYPE& lhs_, const RHS_TYPE& rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_.get_ref()){}
inline double operator[]( R_xlen_t i ) const {
return lhs[i] * rhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const LHS_EXT& lhs ;
const RHS_EXT& rhs ;
} ;
template <int RTYPE, bool NA, typename T>
class Times_Vector_Primitive : public Rcpp::VectorBase<RTYPE,true, Times_Vector_Primitive<RTYPE,NA,T> > {
public:
typedef typename Rcpp::VectorBase<RTYPE,NA,T> VEC_TYPE ;
typedef typename traits::storage_type<RTYPE>::type STORAGE ;
typedef typename Rcpp::traits::Extractor< RTYPE, NA, T>::type EXT ;
Times_Vector_Primitive( const VEC_TYPE& lhs_, STORAGE rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_), rhs_na( Rcpp::traits::is_na<RTYPE>(rhs_) )
{}
inline STORAGE operator[]( R_xlen_t i ) const {
if( rhs_na ) return rhs ;
STORAGE x = lhs[i] ;
return Rcpp::traits::is_na<RTYPE>(x) ? x : (x * rhs) ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const EXT& lhs ;
STORAGE rhs ;
bool rhs_na ;
} ;
// RTYPE = REALSXP
template <bool NA, typename T>
class Times_Vector_Primitive<REALSXP,NA,T> :
public Rcpp::VectorBase<REALSXP,true, Times_Vector_Primitive<REALSXP,NA,T> > {
public:
typedef typename Rcpp::VectorBase<REALSXP,NA,T> VEC_TYPE ;
typedef typename Rcpp::traits::Extractor<REALSXP, NA, T>::type EXT ;
Times_Vector_Primitive( const VEC_TYPE& lhs_, double rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_)
{}
inline double operator[]( R_xlen_t i ) const {
return rhs * lhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const EXT& lhs ;
double rhs ;
} ;
template <int RTYPE, typename T>
class Times_Vector_Primitive<RTYPE,false,T> : public Rcpp::VectorBase<RTYPE,false, Times_Vector_Primitive<RTYPE,false,T> > {
public:
typedef typename Rcpp::VectorBase<RTYPE,false,T> VEC_TYPE ;
typedef typename traits::storage_type<RTYPE>::type STORAGE ;
typedef typename Rcpp::traits::Extractor< RTYPE, false, T>::type EXT ;
Times_Vector_Primitive( const VEC_TYPE& lhs_, STORAGE rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_), rhs_na( Rcpp::traits::is_na<RTYPE>(rhs_) ) {}
inline STORAGE operator[]( R_xlen_t i ) const {
return rhs_na ? rhs : (rhs * lhs[i] ) ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const EXT& lhs ;
STORAGE rhs ;
bool rhs_na ;
} ;
// RTYPE = REALSXP
template <typename T>
class Times_Vector_Primitive<REALSXP,false,T> :
public Rcpp::VectorBase<REALSXP,false, Times_Vector_Primitive<REALSXP,false,T> > {
public:
typedef typename Rcpp::VectorBase<REALSXP,false,T> VEC_TYPE ;
typedef typename Rcpp::traits::Extractor<REALSXP, false, T>::type EXT ;
Times_Vector_Primitive( const VEC_TYPE& lhs_, double rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_) {}
inline double operator[]( R_xlen_t i ) const {
return rhs * lhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const EXT& lhs ;
double rhs ;
} ;
// Vector * nona(primitive)
template <int RTYPE, bool NA, typename T>
class Times_Vector_Primitive_nona : public Rcpp::VectorBase<RTYPE,true, Times_Vector_Primitive_nona<RTYPE,NA,T> > {
public:
typedef typename Rcpp::VectorBase<RTYPE,NA,T> VEC_TYPE ;
typedef typename traits::storage_type<RTYPE>::type STORAGE ;
typedef typename Rcpp::traits::Extractor< RTYPE, NA, T>::type EXT ;
Times_Vector_Primitive_nona( const VEC_TYPE& lhs_, STORAGE rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_)
{}
inline STORAGE operator[]( R_xlen_t i ) const {
STORAGE x = lhs[i] ;
return Rcpp::traits::is_na<RTYPE>(x) ? x : (x * rhs) ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const EXT& lhs ;
STORAGE rhs ;
} ;
// RTYPE = REALSXP
template <bool NA, typename T>
class Times_Vector_Primitive_nona<REALSXP,NA,T> :
public Rcpp::VectorBase<REALSXP,true, Times_Vector_Primitive_nona<REALSXP,NA,T> > {
public:
typedef typename Rcpp::VectorBase<REALSXP,NA,T> VEC_TYPE ;
typedef typename Rcpp::traits::Extractor<REALSXP,NA,T>::type EXT ;
Times_Vector_Primitive_nona( const VEC_TYPE& lhs_, double rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_)
{}
inline double operator[]( R_xlen_t i ) const {
return lhs[i] * rhs ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const EXT& lhs ;
double rhs ;
} ;
template <int RTYPE, typename T>
class Times_Vector_Primitive_nona<RTYPE,false,T> : public Rcpp::VectorBase<RTYPE,false, Times_Vector_Primitive_nona<RTYPE,false,T> > {
public:
typedef typename Rcpp::VectorBase<RTYPE,false,T> VEC_TYPE ;
typedef typename traits::storage_type<RTYPE>::type STORAGE ;
typedef typename Rcpp::traits::Extractor< RTYPE, false, T>::type EXT ;
Times_Vector_Primitive_nona( const VEC_TYPE& lhs_, STORAGE rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_) {}
inline STORAGE operator[]( R_xlen_t i ) const {
return rhs * lhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const EXT& lhs ;
STORAGE rhs ;
} ;
template <typename T>
class Times_Vector_Primitive_nona<REALSXP,false,T> :
public Rcpp::VectorBase<REALSXP,false, Times_Vector_Primitive_nona<REALSXP,false,T> > {
public:
typedef typename Rcpp::VectorBase<REALSXP,false,T> VEC_TYPE ;
typedef typename Rcpp::traits::Extractor<REALSXP, false, T>::type EXT ;
Times_Vector_Primitive_nona( const VEC_TYPE& lhs_, double rhs_ ) :
lhs(lhs_.get_ref()), rhs(rhs_) {}
inline double operator[]( R_xlen_t i ) const {
return rhs * lhs[i] ;
}
inline R_xlen_t size() const { return lhs.size() ; }
private:
const EXT& lhs ;
double rhs ;
} ;
}
template <int RTYPE,bool NA, typename T, typename U>
inline typename traits::enable_if<traits::is_convertible<typename traits::remove_const_and_reference<U>::type, typename traits::storage_type<RTYPE>::type>::value, sugar::Times_Vector_Primitive<RTYPE,NA,T> >::type
operator*(
const VectorBase<RTYPE,NA,T>& lhs,
const U &rhs
) {
return sugar::Times_Vector_Primitive<RTYPE,NA,T>( lhs, rhs ) ;
}
template <int RTYPE,bool NA, typename T, typename U>
inline typename traits::enable_if<traits::is_convertible<typename traits::remove_const_and_reference<U>::type, typename traits::storage_type<RTYPE>::type>::value, sugar::Times_Vector_Primitive< RTYPE , NA , T > >::type
operator*(
const U &rhs,
const VectorBase<RTYPE,NA,T>& lhs
) {
return sugar::Times_Vector_Primitive<RTYPE,NA, T >( lhs, rhs ) ;
}
template <int RTYPE,bool NA, typename T, typename U>
inline typename traits::enable_if<traits::is_convertible<typename traits::remove_const_and_reference<U>::type, typename traits::storage_type<RTYPE>::type>::value, sugar::Times_Vector_Primitive_nona<RTYPE,NA,T> >::type
operator*(
const VectorBase<RTYPE,NA,T>& lhs,
const typename sugar::NonaPrimitive< U > &rhs
) {
return sugar::Times_Vector_Primitive_nona<RTYPE,NA,T>( lhs, rhs ) ;
}
template <int RTYPE,bool NA, typename T, typename U>
inline typename traits::enable_if<traits::is_convertible<typename traits::remove_const_and_reference<U>::type, typename traits::storage_type<RTYPE>::type>::value, sugar::Times_Vector_Primitive_nona< RTYPE , NA , T > >::type
operator*(
const typename sugar::NonaPrimitive< U > &rhs,
const VectorBase<RTYPE,NA,T>& lhs
) {
return sugar::Times_Vector_Primitive_nona<RTYPE,NA, T >( lhs, rhs ) ;
}
template <int RTYPE,bool LHS_NA, typename LHS_T, bool RHS_NA, typename RHS_T>
inline sugar::Times_Vector_Vector<
RTYPE ,
LHS_NA, LHS_T,
RHS_NA, RHS_T
>
operator*(
const VectorBase<RTYPE,LHS_NA,LHS_T>& lhs,
const VectorBase<RTYPE,RHS_NA,RHS_T>& rhs
) {
return sugar::Times_Vector_Vector<
RTYPE,
LHS_NA, LHS_T,
RHS_NA, RHS_T
>( lhs, rhs ) ;
}
}
#endif
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