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/* -------------------------------------------------------------
This file is a component of SDPA
Copyright (C) 2004-2020 SDPA Project
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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
------------------------------------------------------------- */
/*-----------------------------------------
sdpa_tool.cpp
-----------------------------------------*/
#include "sdpa_tool.h"
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#ifndef CLK_TCK
#define CLK_TCK sysconf(_SC_CLK_TCK)
#endif
namespace sdpa {
// These are constant.
// Do Not Change .
int IZERO = 0;
int IONE = 1;
int IMONE = -1;
double DZERO = 0.0;
double DONE = 1.0;
double DMONE = -1.0;
double Time::rGetUseTime()
{
#if PROCESS_TIME
struct tms TIME;
times(&TIME);
return (double)TIME.tms_utime/(double)CLK_TCK;
#else
return 0.0;
#endif
}
void Time::rSetTimeVal(struct timeval& targetVal)
{
static struct timezone tz;
gettimeofday(&targetVal,&tz);
}
double Time::rGetRealTime(const struct timeval& start,
const struct timeval& end)
{
const long int second = end.tv_sec - start.tv_sec;
const long int usecond = end.tv_usec - start.tv_usec;
return ((double)second) + ((double)usecond)*(1.0e-6);
}
} // end of namespace 'sdpa'
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