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#include "timer.h"
#include <stdio.h>
#include <time.h>
#if defined(__WIN32__) || defined(_WIN32)
#include <Windows.h>
DWORD tvs, tve;
#else
#include <sys/time.h>
struct timeval tvs, tve;
#endif
void StartTimer(void)
{
#if defined(__WIN32__) || defined(_WIN32)
tvs = GetTickCount();
#else
if (gettimeofday(&tvs,0)) fprintf(stderr,"cant get time!\n");
#endif
}
double StopTimer(void)
{
#if defined(__WIN32__) || defined(_WIN32)
tve = GetTickCount();
return tve - tvs;
#else
if (gettimeofday(&tve,0)) fprintf(stderr,"cant get time!\n");
return 1000 * (tve.tv_sec - tvs.tv_sec + (double)(tve.tv_usec - tvs.tv_usec) / 1000000.0);
#endif
}
double PrintTimer(void)
{
double t;
#if defined(__WIN32__) || defined(_WIN32)
tve = GetTickCount();
t = (double)(tve - tvs) / 1000.0;
printf("%.3f ",t);
return t;
#else
if (gettimeofday(&tve,0)) fprintf(stderr,"cant get time!\n");
t = 1000 * (tve.tv_sec - tvs.tv_sec + (double)(tve.tv_usec - tvs.tv_usec)/1000000.0);
printf("%.3f ",t);
return t;
#endif
}
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