// gcc -g -msupersparc -lm test.c -o test
// -lm is math library

#include <time.h>
#include <math.h>

int main() {
  time_t time1, time2;
  double diff;
  double x,y;
  int i,j;

  x=2.3;
  y=1.0;

  printf("start.\n");
  time1 = time(NULL);

  for (j=0;j<1000;j++){
  for (i=0;i<10000;i++){
    y = sin(x);
    x = exp(y);
  }
  }

  time2 = time(NULL);
  diff = difftime(time2,time1);
  printf("elapsed time = %f seconds. \n\n", diff);

  printf(" clock is %d \n", clock() );

}