/* 
 * Problem 8:  De Jong's Test function 3
 *
 * Xi Range: [-5.12, 5.12]
 *
 */
double f8(double x[], int n){
  double result;
  double tmp;
  int i;
  result=0.0;
  for (i=0;i<n;i++){
    tmp=floor(x[i];
    if (tmp>=0){
      result+=tmp;
    } else {
      result-=tmp;
    }
  }
  return(result);
}