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direction_type.h
1 /***************************************************************************
2  * Copyright (C) 2006 by Adolfo Rodriguez *
3  * adolfo.rodriguez@upc.edu *
4  * *
5  * This program is free software; you can redistribute it and/or modify *
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13  * GNU General Public License for more details. *
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15  * You should have received a copy of the GNU General Public License *
16  * along with this program; if not, write to the *
17  * Free Software Foundation, Inc., *
18  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19  ***************************************************************************/
20 
22 
23 // HEADER GUARD
24 #ifndef MT_DIRECTION_TYPE_H
25 #define MT_DIRECTION_TYPE_H
26 
27 // C++ STANDARD HEADERS
28 #include <iostream>
29 
30 
32 
33 namespace mt
34 {
35 
36 // TYPES
37 
39 enum DirectionType
40 {
41  DIRECTED,
42  UNDIRECTED
43 };
44 
45 
47 
48 // OPERATORS
49 
50 std::ostream& operator<<(std::ostream& os,
51  const DirectionType& type);
52 
53 
55 
56 inline std::ostream& operator<<(std::ostream& os,
57  const DirectionType& type)
58 {
59  if (type == DIRECTED)
60  {
61  os << "directed";
62  }
63  else
64  {
65  os << "undirected";
66  }
67 
68  return os;
69 }
70 
71 } // mt
72 
73 #endif // MT_DIRECTION_TYPE_H