From f302d9cea67a3d7a7e97e1d2c1c87ed622ccec65 Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Wed, 21 Oct 2009 21:04:26 +0200
Subject: [PATCH] isl_tab_compute_reduced_basis: handle empty tables

---
 basis_reduction_templ.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/basis_reduction_templ.c b/basis_reduction_templ.c
index bd5f842..7481798 100644
--- a/basis_reduction_templ.c
+++ b/basis_reduction_templ.c
@@ -60,6 +60,9 @@ struct isl_tab *isl_tab_compute_reduced_basis(struct isl_tab *tab)
 	if (!tab)
 		return NULL;
 
+	if (tab->empty)
+		return tab;
+
 	ctx = tab->mat->ctx;
 	dim = tab->n_var;
 	B = tab->basis;
-- 
2.7.4