00001 /*************************************************************************** 00002 timer.h - description 00003 ------------------- 00004 begin : lun sep 22 2003 00005 copyright : (C) 2003 by Lynn Hazan 00006 email : lynn.hazan@myrealbox.com 00007 ***************************************************************************/ 00008 00009 /*************************************************************************** 00010 * * 00011 * This program is free software; you can redistribute it and/or modify * 00012 * it under the terms of the GNU General Public License as published by * 00013 * the Free Software Foundation; either version 2 of the License, or * 00014 * (at your option) any later version. * 00015 * * 00016 ***************************************************************************/ 00017 00018 #include <sys/time.h> 00019 00020 static struct timeval tv0; 00021 00022 inline void RestartTimer() 00023 { 00024 struct timezone tz; 00025 gettimeofday(&tv0,&tz); 00026 } 00027 00028 inline float Timer() 00029 { 00030 struct timeval tv; 00031 struct timezone tz; 00032 gettimeofday(&tv,&tz); 00033 float msec = static_cast<int>(tv.tv_usec/1000)/1000.0; 00034 float msec0 = static_cast<int>(tv0.tv_usec/1000)/1000.0; 00035 float time = (tv.tv_sec+msec)-(tv0.tv_sec+msec0); 00036 return time; 00037 }