Rcpp Version 0.12.12
matrix_interface.h
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1 // -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; tab-width: 8 -*-
2 /* :tabSize=4:indentSize=4:noTabs=false:folding=explicit:collapseFolds=1: */
3 //
4 // matrix_interface.h: Rcpp R/C++ interface class library --
5 //
6 // Copyright (C) 2010 - 2011 Dirk Eddelbuettel and Romain Francois
7 //
8 // This file is part of Rcpp.
9 //
10 // Rcpp is free software: you can redistribute it and/or modify it
11 // under the terms of the GNU General Public License as published by
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14 //
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18 // GNU General Public License for more details.
19 //
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21 // along with Rcpp. If not, see <http://www.gnu.org/licenses/>.
22 
23 #ifndef Rcpp__traits__matrix_interface_h
24 #define Rcpp__traits__matrix_interface_h
25 
26 // helper trait to disambiguate things that want to be logical vectors
27 // from containers of int
28 
29 namespace Rcpp{
30 namespace traits{
31 
32  template<typename T>
34  template<typename U> struct _Wrap_type { };
35 
36  template<typename U>
38 
39  template<typename U>
40  static __two __test(...);
41 
42  public:
43  static const bool value = sizeof(__test<T>(0)) == 1;
44  };
45 
46  template<typename T> struct matrix_interface :
47  integral_constant<bool, _has_matrix_interface_helper<T>::value >{ };
48 
49 
50 }
51 }
52 
53 #endif
Rcpp API.
Definition: algo.h:28
static __one __test(_Wrap_type< typename U::r_matrix_interface > *)