position/differential/chronos.hh
1 /*
2  * Player - One Hell of a Robot Server
3  * Copyright (C) 2010
4  * Alejandro R. Mosteo
5  *
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef _chronos_
23 #define _chronos_
24 
25 namespace driver_differential {
26 
27 class Chronos
28  {
29  public:
30  Chronos ( double seconds_since_epoch = now() );
31  double elapsed ( void ) const;
32  void reset ( void );
33 
34  private:
35  double clock_;
36 
37  static double now ( void ) ;
38  };
39 
40 }
41 
42 #endif
Definition: position/differential/chronos.hh:28