flags.hh
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1 /* -*- mia-c++ -*-
2  *
3  * This file is part of MIA - a toolbox for medical image analysis
4  * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
5  *
6  * MIA is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with MIA; if not, see <http://www.gnu.org/licenses/>.
18  *
19  */
20 
21 #ifndef mia_core_flags_hh
22 #define mia_core_flags_hh
23 
24 #include <mia/core/defines.hh>
25 
27 
28 
36 #define IMPLEMENT_FLAG_OPERATIONS(E) \
37  inline E operator | (E lhs, E rhs) \
38  { \
39  return static_cast<E>( static_cast<int>(lhs) | static_cast<int>(rhs)); \
40  } \
41  \
42  inline E operator & (E lhs, E rhs) \
43  { \
44  return static_cast<E>( static_cast<int>(lhs) & static_cast<int>(rhs)); \
45  } \
46  \
47  inline E operator -= (E& lhs, E rhs) \
48  { \
49  lhs = static_cast<E>( static_cast<int>(lhs) & ~static_cast<int>(rhs)); \
50  return lhs; \
51  } \
52  \
53  inline bool has_flag(E flags, E test) \
54  { \
55  return (flags & test) == test; \
56  }
57 
58 
60 #endif
#define NS_MIA_BEGIN
conveniance define to start the mia namespace
Definition: defines.hh:33
#define NS_MIA_END
conveniance define to end the mia namespace
Definition: defines.hh:36