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// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
//
// SugarBlock.h: Rcpp R/C++ interface class library -- sugar functions
//
// 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_BLOCK_3_H
#define RCPP_SUGAR_BLOCK_3_H
namespace Rcpp{
namespace sugar{
template <
bool NA, typename RESULT_TYPE,
typename U1, typename T1,
typename U2, typename T2,
typename U3, typename T3
>
class SugarBlock_3_VVV : public Rcpp::VectorBase<
Rcpp::traits::r_sexptype_traits<RESULT_TYPE>::rtype ,
NA,
SugarBlock_3_VVV<NA,RESULT_TYPE,U1,T1,U2,T2,U3,T3> > {
public:
typedef RESULT_TYPE (*FunPtr)(U1,U2,U3) ;
SugarBlock_3_VVV( FunPtr ptr_, const T1 & x_, const T2& y_, const T3& z_ ) :
ptr(ptr_), x(x_), y(y_), z(z_) {
// TODO: size checks, recycling, etc ...
}
inline RESULT_TYPE operator[]( R_xlen_t i) const {
return ptr( x[i], y[i], z[i] ) ;
}
inline R_xlen_t size() const { return x.size() ; }
private:
FunPtr ptr ;
const T1& x ;
const T2& y ;
const T2& z ;
};
// template <bool NA, typename RESULT_TYPE, typename U1, typename T1, typename U2>
// class SugarBlock_3__VP : public Rcpp::VectorBase< Rcpp::traits::r_sexptype_traits<RESULT_TYPE>::rtype , NA, SugarBlock_3__VP<NA,RESULT_TYPE,U1,T1,U2> > {
// public:
// typedef RESULT_TYPE (*FunPtr)(U1,U2) ;
// SugarBlock_3__VP( FunPtr ptr_, const T1 & x_, U2 u2 ) :
// ptr(ptr_), x(x_), y(u2){}
//
// inline RESULT_TYPE operator[]( int i) const {
// return ptr( x[i], y ) ;
// }
// inline int size() const { return x.size() ; }
//
// private:
// FunPtr ptr ;
// const T1& x ;
// U2 y ;
// };
//
// template <bool NA, typename RESULT_TYPE, typename U1, typename U2, typename T2>
// class SugarBlock_3__PV : public Rcpp::VectorBase< Rcpp::traits::r_sexptype_traits<RESULT_TYPE>::rtype , NA, SugarBlock_3__PV<NA,RESULT_TYPE,U1,U2,T2> > {
// public:
// typedef RESULT_TYPE (*FunPtr)(U1,U2) ;
// SugarBlock_3__PV( FunPtr ptr_, U1 u1, const T2& y_ ) :
// ptr(ptr_), x(u1), y(y_){}
//
// inline RESULT_TYPE operator[]( int i) const {
// return ptr( x, y[i] ) ;
// }
// inline int size() const { return y.size() ; }
//
// private:
// FunPtr ptr ;
// U1 x ;
// const T2& y ;
// };
} // sugar
} // Rcpp
#define SB3_T1 VectorBase<REALSXP,T1_NA,T1>
#define SB3_T2 VectorBase<REALSXP,T2_NA,T2>
#define SB3_T3 VectorBase<REALSXP,T3_NA,T3>
#define SUGAR_BLOCK_3(__NAME__,__SYMBOL__) \
namespace Rcpp{ \
template <bool T1_NA, typename T1, bool T2_NA, typename T2, bool T3_NA, typename T3> \
inline sugar::SugarBlock_3_VVV< \
(T1_NA||T2_NA||T3_NA) ,double, \
double,SB3_T1, \
double,SB3_T2, \
double,SB3_T3 \
> \
__NAME__( \
const SB3_T1& x1, \
const SB3_T2& x2, \
const SB3_T3& x3 \
){ \
return sugar::SugarBlock_3_VVV< \
(T1_NA||T2_NA||T3_NA) , double, \
double,SB3_T1, \
double,SB3_T2, \
double,SB3_T3 \
>( \
__SYMBOL__ , x1, x2, x3 \
) ; \
} \
}
#endif
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