Select primitive in vectorized processing model

sel_le_long_long_col_col.java

int sel_le_long_long_col_col(int vec_num, int [] res_sel_vec, 
                             long [] col1, long [] col2, int [] sel_vec) {  
  int ret = 0;
  if (sel_vec == null) {
    for (int i = 0; i < vec_num; i++) {
      if (col1[i] < col2[i]) {
        res_sel_vec[ret++] = i
      }
    }
  } else {
     for (int i = 0; i < vec_num; i++) {
      int sel_id = sel_vec[i]; 	
      if (col1[sel_id] < col2[sel_id]) {
        res_sel_vec[ret++] = sel_id;
     }
  }
  return ret;
}