update .gitignore

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

diff --git a/basis_reduction_tab.c b/basis_reduction_tab.c
index 11c43ad..aebf897 100644 (file)
--- a/basis_reduction_tab.c
+++ b/basis_reduction_tab.c
@@ -222,7 +222,8 @@ static int add_lp_row(struct tab_lp *lp, isl_int *row, int dim)
        isl_seq_cpy(lp->row->el + 1, row, lp->dim);
        isl_seq_neg(lp->row->el + 1 + lp->dim, row, lp->dim);
 
-       lp->tab = isl_tab_add_valid_eq(lp->tab, lp->row->el);
+       if (isl_tab_add_valid_eq(lp->tab, lp->row->el) < 0)
+               return -1;
 
        return lp->neq++;
 }