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builtin.cc
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
4 //
5 // Olena is free software: you can redistribute it and/or modify it under
6 // the terms of the GNU General Public License as published by the Free
7 // Software Foundation, version 2 of the License.
8 //
9 // Olena is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
16 //
17 // As a special exception, you may use this file as part of a free
18 // software project without restriction. Specifically, if other files
19 // instantiate templates or use macros or inline functions from this
20 // file, or you compile this file and link it with other files to produce
21 // an executable, this file does not by itself cause the resulting
22 // executable to be covered by the GNU General Public License. This
23 // exception does not however invalidate any other reasons why the
24 // executable file might be covered by the GNU General Public License.
25 
26 #include <iostream>
27 
28 #include <mln/value/scalar.hh>
29 #include <mln/value/int_u8.hh>
30 
31 
32 namespace mln
33 {
34  namespace trait
35  {
36 
37  namespace op
38  {
39 
40  template <typename T>
41  struct test;
42 
43  template <typename L, typename R>
44  struct test_2;
45 
46  }
47 
48  // unary
49 
50  template < typename S >
51  struct set_unary_< op::test, mln::value::Scalar, S >
52  {
53  typedef double ret;
54  };
55 
56  // FIXME: Dead code?
57 // template <typename I>
58 // struct set_unary_< op::test,
59 // mln::value::Integer, I >
60 // {
61 // typedef float ret;
62 // };
63 
64 // template <typename I>
65 // struct set_unary_< op::test,
66 // mln::value::Built_In, I >
67 // {
68 // typedef bool ret;
69 // };
70 
71 
72  // binary
73 
74  template < typename S1, typename S2 >
75  struct set_binary_< op::test_2,
77  mln::value::Scalar, S2 >
78  {
79  typedef double ret;
80  };
81 
82  // FIXME: Dead code?
83 // template < typename I, typename S >
84 // struct set_binary_< op::test_2,
85 // mln::value::Integer, I,
86 // mln::value::Scalar, S >
87 // {
88 // typedef float ret;
89 // };
90 
91 // template < typename B, typename S >
92 // struct set_binary_< op::test_2,
93 // mln::value::Built_In, B,
94 // mln::value::Scalar, S >
95 // {
96 // typedef bool ret;
97 // };
98 
99  }
100 }
101 
102 
103 int main()
104 {
105  using namespace mln;
106 
107  {
109  double& d = tmp;
110  // Avoid a warning about unused variable D.
111  d = d;
112  }
113  {
115  double& d = tmp;
116  // Avoid a warning about unused variable D.
117  d = d;
118  }
119 }