CXXR (C++ R)
LogicalVector.h
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1 /*CXXR $Id: LogicalVector.h 1351 2013-03-08 15:12:28Z arr $
2  *CXXR
3  *CXXR This file is part of CXXR, a project to refactor the R interpreter
4  *CXXR into C++. It may consist in whole or in part of program code and
5  *CXXR documentation taken from the R project itself, incorporated into
6  *CXXR CXXR (and possibly MODIFIED) under the terms of the GNU General Public
7  *CXXR Licence.
8  *CXXR
9  *CXXR CXXR is Copyright (C) 2008-13 Andrew R. Runnalls, subject to such other
10  *CXXR copyrights and copyright restrictions as may be stated below.
11  *CXXR
12  *CXXR CXXR is not part of the R project, and bugs and other issues should
13  *CXXR not be reported via r-bugs or other R project channels; instead refer
14  *CXXR to the CXXR website.
15  *CXXR */
16 
17 /*
18  * R : A Computer Language for Statistical Data Analysis
19  * Copyright (C) 1995, 1996 Robert Gentleman and Ross Ihaka
20  * Copyright (C) 1999-2006 The R Development Core Team.
21  * Andrew Runnalls (C) 2008
22  *
23  * This program is free software; you can redistribute it and/or modify
24  * it under the terms of the GNU General Public License as published by
25  * the Free Software Foundation; either version 2.1 of the License, or
26  * (at your option) any later version.
27  *
28  * This program is distributed in the hope that it will be useful,
29  * but WITHOUT ANY WARRANTY; without even the implied warranty of
30  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31  * GNU Lesser General Public License for more details.
32  *
33  * You should have received a copy of the GNU General Public License
34  * along with this program; if not, a copy is available at
35  * http://www.r-project.org/Licenses/
36  */
37 
42 #ifndef LOGICALVECTOR_H
43 #define LOGICALVECTOR_H
44 
45 #include "CXXR/VectorBase.h"
46 
47 #ifdef __cplusplus
48 
49 #include "R_ext/Arith.h"
50 #include "CXXR/FixedVector.hpp"
51 #include "CXXR/SEXP_downcast.hpp"
52 
53 namespace CXXR {
54  // Template specialization:
55  template <>
57  {
58  return "logical";
59  }
60 
64 } // namespace CXXR
65 
66 BOOST_CLASS_EXPORT_KEY(CXXR::LogicalVector)
67 
68 extern "C" {
69 #endif /* __cplusplus */
70 
76 #ifndef __cplusplus
77  Rboolean Rf_isLogical(SEXP s);
78 #else
79  inline Rboolean Rf_isLogical(SEXP s)
80  {
81  return Rboolean(s && TYPEOF(s) == LGLSXP);
82  }
83 #endif
84 
90 #ifndef __cplusplus
91 int* LOGICAL(SEXP x);
92 #else
93 inline int* LOGICAL(SEXP x)
94 {
95  using namespace CXXR;
96  return &(*SEXP_downcast<LogicalVector*>(x, false))[0];
97 }
98 #endif
99 
104  SEXP Rf_mkFalse();
105 
110  SEXP Rf_mkTrue();
111 
112 #ifdef __cplusplus
113 }
114 #endif
115 
116 #endif /* LOGICALVECTOR_H */