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#include "zfpTimer.h"
#include <stdlib.h>
struct zfp_timer {
#if defined(__unix__) || defined(_WIN32)
clock_t timeStart, timeEnd;
#elif defined(__MACH__)
uint64_t timeStart, timeEnd;
#endif
};
zfp_timer*
zfp_timer_alloc()
{
return malloc(sizeof(zfp_timer));
}
void
zfp_timer_free(zfp_timer* timer) {
free(timer);
}
int
zfp_timer_start(zfp_timer* timer)
{
#if defined(__unix__) || defined(_WIN32)
timer->timeStart = clock();
#elif defined(__MACH__)
timer->timeStart = mach_absolute_time();
#else
return 1;
#endif
return 0;
}
double
zfp_timer_stop(zfp_timer* timer)
{
double time;
// stop timer, compute elapsed time
#if defined(__unix__) || defined(_WIN32)
timer->timeEnd = clock();
time = (double)((timer->timeEnd) - (timer->timeStart)) / CLOCKS_PER_SEC;
#elif defined(__MACH__)
timer->timeEnd = mach_absolute_time();
mach_timebase_info_data_t tb = {0};
mach_timebase_info(&tb);
double timebase = tb.numer / tb.denom;
time = ((timer->timeEnd) - (timer->timeStart)) * timebase * (1E-9);
#endif
return time;
}
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