-  function pre_render($results) {
  +  function pre_render&($results) {
        parent::pre_render($results);

        // If there are no calc fields, do nothing.
        if (!$calc_fields = $this->get_calc_fields()) {
          return;
        }

        // If we're not getting a summary row, do nothing.
        if (!empty($this->view->views_calc_calculation)) {
          return;
        }

        $this->view->totals = array();
        $this->view->sub_totals = array();
        $this->view->views_calc_fields = $calc_fields;
        $this->view->views_calc_calculation = FALSE;

        // Subtotals and pager totals require a list of the specific
        // values to include.
        $paged = FALSE;
        if (!empty($this->view->pager)
        && !empty($this->view->pager['use_pager'])
        && !empty($this->view->pager['items_per_page'])
        && $this->view->total_rows > $this->view->pager['items_per_page']) {
          $ids = array();
          foreach ($this->view->result as $delta => $value) {
            $ids[] = $value->{$this->view->base_field};
          }
          // Add sub_total rows to the results.
          // We need one query per aggregation because theming needs unrenamed views field alias.
          // TODO Looks like we have problems unless we
          // force a non-page display, need to keep an eye on this.
          $this->execute_summary_view($ids);
        }

        // Add grand totals to the results.
        $this->execute_summary_view();
      }