/* =====================================================
   Thread example: find min in array
   ===================================================== */

#include <iostream.h>
#include <stdlib.h>
#include <stdlib.h>
#include <sys/time.h>



#define N_Items  100000000

double x[N_Items];
double min;

struct timeval start_time, stop_time;
int elapsed;


int main(int argc, char ** argv)
{
   int i;

   /* -------------------------
      Generate random number
      ------------------------- */
   for (i = 0; i < N_Items; i = i + 1)
      x[i] = random()/(double)1147483648;


   gettimeofday(&start_time, NULL);

   min = x[0];

   for (i = 1; i < N_Items; i = i + 1 )
   {
      if ( x[i] < min )
         min = x[i];
   }

   gettimeofday(&stop_time, NULL);

   elapsed = (stop_time.tv_sec*1000000 + stop_time.tv_usec) -
                (start_time.tv_sec*1000000 + start_time.tv_usec);


   cout << "min = " << min << endl << endl; 
   cout << "Elapsed time = " << elapsed << " microseconds" << endl;
}