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/*************************************************************************
** System.cpp **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2010 Martin Gieseking <martin.gieseking@uos.de> **
** **
** This program is free software; you can redistribute it and/or **
** modify it under the terms of the GNU General Public License as **
** published by the Free Software Foundation; either version 3 of **
** the License, or (at your option) any later version. **
** **
** This program is distributed in the hope that it will be useful, but **
** WITHOUT ANY WARRANTY; without even the implied warranty of **
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
** GNU General Public License for more details. **
** **
** You should have received a copy of the GNU General Public License **
** along with this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include <ctime>
#include "System.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if defined (HAVE_SYS_TIME_H)
#include <sys/time.h>
#elif defined (HAVE_SYS_TIMEB_H)
#include <sys/timeb.h>
#endif
using namespace std;
/** Returns timestamp (wall time) in seconds. */
double System::time () {
#if defined (HAVE_SYS_TIME_H)
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec + tv.tv_usec/1000000.0;
#elif defined (HAVE_SYS_TIMEB_H)
struct timeb tb;
ftime(&tb);
return tb.time + tb.millitm/1000.0;
#else
clock_t myclock = clock();
return double(myclock)/CLOCKS_PER_SEC;
#endif
}
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