GetTimeMs64.h

/*
 * source of this code:
 * https://stackoverflow.com/questions/1861294/how-to-calculate-execution-time-of-a-code-snippet-in-c
 *
 */

#include <sys/time.h>
#include <ctime>

#ifndef GETTIMEINMICROSECONDS_H_
#define GETTIMEINMICROSECONDS_H_

/* Remove if already defined */
typedef long long int64;
typedef unsigned long long uint64;

/* Returns the amount of milliseconds elapsed since the UNIX epoch. Works on both
 * windows and linux. */

uint64 GetTimeMs64() {
   struct timeval tv;

    gettimeofday(&tv, NULL);

    uint64 ret = tv.tv_usec;
    /* Convert from micro seconds (10^-6) to milliseconds (10^-3) */
    ret /= 1000;

    /* Adds the seconds (10^0) after converting them to milliseconds (10^-3) */
    ret += (tv.tv_sec * 1000);

    return ret;
}



#endif /* GETTIMEINMICROSECONDS_H_ */