1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
//
// 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_SUGARMATH_H
#define RCPP_SUGAR_SUGARMATH_H
namespace Rcpp{
namespace sugar{
template <bool NA, typename RESULT_TYPE, typename U1, typename T1, typename FunPtr>
class SugarMath_1 : public Rcpp::VectorBase<
Rcpp::traits::r_sexptype_traits<RESULT_TYPE>::rtype ,
NA,
SugarMath_1<NA,RESULT_TYPE,U1,T1,FunPtr>
> {
public:
typedef Rcpp::VectorBase< Rcpp::traits::r_sexptype_traits<RESULT_TYPE>::rtype ,NA,T1> VEC_TYPE ;
SugarMath_1( FunPtr ptr_, const VEC_TYPE & vec_) : ptr(ptr_), vec(vec_){}
inline RESULT_TYPE operator[]( R_xlen_t i) const {
U1 x = vec[i] ;
if( ISNAN(x) ) return x;
return ptr( x ) ;
}
inline R_xlen_t size() const { return vec.size() ; }
private:
FunPtr ptr ;
const VEC_TYPE& vec ;
};
template <bool NA, typename RESULT_TYPE, typename T1, typename FunPtr>
class SugarMath_1<NA,RESULT_TYPE,int,T1,FunPtr> : public Rcpp::VectorBase<
Rcpp::traits::r_sexptype_traits<RESULT_TYPE>::rtype ,
NA,
SugarMath_1<NA,RESULT_TYPE,int,T1,FunPtr>
> {
public:
typedef Rcpp::VectorBase< INTSXP ,NA,T1> VEC_TYPE ;
SugarMath_1( FunPtr ptr_, const VEC_TYPE & vec_) : ptr(ptr_), vec(vec_){}
inline RESULT_TYPE operator[]( R_xlen_t i) const {
int x = vec[i] ;
if( Rcpp::traits::is_na<INTSXP>(x) ) return Rcpp::traits::get_na<REALSXP>( ) ;
return ptr( x ) ;
}
inline R_xlen_t size() const { return vec.size() ; }
private:
FunPtr ptr ;
const VEC_TYPE& vec ;
};
template <typename RESULT_TYPE, typename T1, typename FunPtr>
class SugarMath_1<false,RESULT_TYPE,int,T1,FunPtr> : public
Rcpp::VectorBase<
Rcpp::traits::r_sexptype_traits<RESULT_TYPE>::rtype ,
false,
SugarMath_1<false,RESULT_TYPE,int,T1,FunPtr>
> {
public:
typedef Rcpp::VectorBase< INTSXP ,false,T1> VEC_TYPE ;
SugarMath_1( FunPtr ptr_, const VEC_TYPE & vec_) : ptr(ptr_), vec(vec_){}
inline RESULT_TYPE operator[]( R_xlen_t i) const {
return ptr( vec[i] ) ;
}
inline R_xlen_t size() const { return vec.size() ; }
private:
FunPtr ptr ;
const VEC_TYPE& vec ;
};
} // sugar
} // Rcpp
#define SUGAR_MATH_1(__NAME__,__SYMBOL__) \
namespace Rcpp{ \
template <bool NA, typename T> \
inline sugar::SugarMath_1<NA,double,double,T, double (*)(double) > \
__NAME__( \
const VectorBase<REALSXP,NA,T>& t \
){ \
return sugar::SugarMath_1<NA,double,double,T, double (*)(double)>( \
&__SYMBOL__ , t \
) ; \
} \
inline sugar::SugarMath_1<true,double,double,NumericVector,double(*)(double)> \
__NAME__( SEXP x){ return __NAME__( NumericVector( x ) ) ; } \
template <bool NA, typename T> \
inline sugar::SugarMath_1<NA,double,int,T, double (*)(double) > \
__NAME__( \
const VectorBase<INTSXP,NA,T>& t \
){ \
return sugar::SugarMath_1<NA,double,int,T, double (*)(double)>( \
&__SYMBOL__ , t \
) ; \
} \
}
#endif
|
