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 4e613f5..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;
@@ -1177,8 +1177,8 @@ static int report_conflicting_constraint(struct isl_tab *tab, int con)
 
 /* Given a conflicting row in the tableau, report all constraints
  * involved in the row to the caller.  That is, the row itself
- * (if represents a constraint) and all constraint columns with
- * non-zero (and therefore negative) coefficient.
+ * (if it represents a constraint) and all constraint columns with
+ * non-zero (and therefore negative) coefficients.
  */
 static int report_conflict(struct isl_tab *tab, int row)
 {