isl_set_dim_residue_class: correctly consider all basic sets in the set

[platform/upstream/isl.git] / isl_tab_pip.c

diff --git a/isl_tab_pip.c b/isl_tab_pip.c
index 74564db..dd95d88 100644 (file)
--- a/isl_tab_pip.c
+++ b/isl_tab_pip.c
@@ -789,8 +789,8 @@ static struct isl_vec *get_row_parameter_div(struct isl_tab *tab, int row)
 
        isl_int_set(div->el[0], tab->mat->row[row][0]);
        get_row_parameter_line(tab, row, div->el + 1);
-       normalize_div(div);
        isl_seq_neg(div->el + 1, div->el + 1, div->size - 1);
+       normalize_div(div);
        isl_seq_fdiv_r(div->el + 1, div->el + 1, div->el[0], div->size - 1);
 
        return div;