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#include "stdafx.h"
/*
This file is a part of KMC software distributed under GNU GPL 3 licence.
The homepage of the KMC project is http://sun.aei.polsl.pl/kmc
The source codes are based on codes written by Dennis and published:
http://allmybrain.com/2008/06/10/timing-cc-code-on-linux/
Version: 2.3.0
Date : 2015-08-21
*/
#ifdef WIN32
#include <windows.h>
#endif
#include <cstdio> // NULL
#include "timer.h"
#ifdef WIN32
double CStopWatch::LIToSecs( LARGE_INTEGER & L) {
return ((double)L.QuadPart /(double)frequency.QuadPart);
}
CStopWatch::CStopWatch(){
timer.start.QuadPart=0;
timer.stop.QuadPart=0;
QueryPerformanceFrequency( &frequency );
}
void CStopWatch::startTimer( ) {
QueryPerformanceCounter(&timer.start);
}
void CStopWatch::stopTimer( ) {
QueryPerformanceCounter(&timer.stop);
}
double CStopWatch::getElapsedTime() {
LARGE_INTEGER time;
time.QuadPart = timer.stop.QuadPart - timer.start.QuadPart;
return LIToSecs( time) ;
}
#else
void CStopWatch::startTimer( ) {
gettimeofday(&(timer.start),NULL);
}
void CStopWatch::stopTimer( ) {
gettimeofday(&(timer.stop),NULL);
}
double CStopWatch::getElapsedTime() {
timeval res;
timersub(&(timer.stop),&(timer.start),&res);
return res.tv_sec + res.tv_usec/1000000.0; // 10^6 uSec per second
}
#endif
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