Timer.h

00001 /***************************************************************************
00002  *   Copyright (C) 2005 by Tarek Taha                                      *
00003  *   tataha@eng.uts.edu.au                                                 *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU General Public License as published by  *
00007  *   the Free Software Foundation; either version 2 of the License, or     *
00008  *   (at your option) any later version.                                   *
00009  *                                                                         *
00010  *   This program is distributed in the hope that it will be useful,       *
00011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00013  *   GNU General Public License for more details.                          *
00014  *                                                                         *
00015  *   You should have received a copy of the GNU General Public License     *
00016  *   along with this program; if not, write to the                         *
00017  *   Free Software Foundation, Inc.,                                       *
00018  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
00019  ***************************************************************************/
00020 
00021 #ifndef TIMER_H_
00022 #define TIMER_H_
00023 #include <sys/time.h>
00024 #include <iostream>
00025 class Timer
00026 {
00027         private:
00028                 struct timeval start_time,end_time;
00029                 double time_diff;
00030         public:
00031                 Timer();
00032                 double TimeElapsed(); // time elapsed in usec since last call
00033                 void Reset();                           // resets timer
00034                 virtual ~Timer();
00035                 /* Synchronize the loop within a period
00036                  * To use this u will have to initialize the timer
00037                  * reset the timer at the beginning of the loop
00038                  * and call the Synch function at the end of the loop
00039                  */
00040                 void Synch(double period); // period should be in msec
00041 };
00042 
00043 #endif /*TIMER_H_*/

Last updated 12 September 2005 21:38:45