#include <windows.h>

#ifndef hr_timer
#include "hr_time.h"
#define hr_timer
#endif

void startTimer( stopWatch *timer) {
    QueryPerformanceCounter(&timer->start);
}

void stopTimer( stopWatch *timer) {
    QueryPerformanceCounter(&timer->stop);
}

double LIToSecs( LARGE_INTEGER * L) {
    LARGE_INTEGER frequency;
	QueryPerformanceFrequency( &frequency );
	return ((double)L->QuadPart /(double)frequency.QuadPart);
}

double getElapsedTime( stopWatch *timer) {
	LARGE_INTEGER time;
	time.QuadPart = timer->stop.QuadPart - timer->start.QuadPart;
    return LIToSecs( &time) ;
}