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/*
core/timer.cc
This file is part of the Osirion project and is distributed under
the terms and conditions of the GNU General Public License version 2
*/
#include "core/timer.h"
#include <unistd.h>
#include <iostream>
#include <cmath>
namespace core
{
Timer::Timer()
{
gettimeofday(&this->timer_tick, &this->timer_tz);
this->timer_elapsed = 0;
}
Timer::~Timer()
{
}
void Timer::mark()
{
gettimeofday(&timer_tick, &timer_tz);
}
unsigned long Timer::timestamp()
{
struct timeval tick;
struct timezone tick_tz;
gettimeofday(&tick, &tick_tz);
// calculate elapsed time in 10^-6 seconds
unsigned long delta = 0;
delta = tick.tv_sec * 1000 + tick.tv_usec / 1000;
delta -= timer_tick.tv_sec * 1000 + timer_tick.tv_usec / 1000;
return delta;
}
float Timer::elapsed()
{
return ((float) timestamp() / 1000.0f);
}
}
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