From 03888cad838676d2565b88df0cb7032bd15c90b8 Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Fri, 30 Jul 2010 13:22:50 +0200
Subject: [PATCH] isl_pw_qpolynomial_sum: take tuple names into account

If the input is zero-dimensional, but the space has a name,
then this name should be dropped.
---
 summate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/summate.c b/summate.c
index 393ffc0..6303cb6 100644
--- a/summate.c
+++ b/summate.c
@@ -761,7 +761,7 @@ __isl_give isl_pw_qpolynomial *isl_pw_qpolynomial_sum(
 
 	nvar = isl_pw_qpolynomial_dim(pwqp, isl_dim_set);
 	if (nvar == 0)
-		return pwqp;
+		return isl_pw_qpolynomial_drop_dims(pwqp, isl_dim_set, 0, 0);
 
 	dim = isl_pw_qpolynomial_get_dim(pwqp);
 	dim = isl_dim_drop(dim, isl_dim_set, 0, nvar);
-- 
2.11.4.GIT