From 9a36152ccc7a55b5b9d1229c4127104b047fb98a Mon Sep 17 00:00:00 2001
From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Wed, 21 Apr 2004 18:32:54 +0000
Subject: [PATCH] power::series() speedup from Chris Dams

---
 ginac/pseries.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ginac/pseries.cpp b/ginac/pseries.cpp
index bcad8c19..a8b820d4 100644
--- a/ginac/pseries.cpp
+++ b/ginac/pseries.cpp
@@ -953,7 +953,7 @@ ex power::series(const relational & r, int order, unsigned options) const
 	}
 
 	// Is the expression of type something^(-int)?
-	if (!must_expand_basis && !exponent.info(info_flags::negint))
+	if (!must_expand_basis && !exponent.info(info_flags::negint) && !is_a<add>(basis))
 		return basic::series(r, order, options);
 
 	// Is the expression of type 0^something?
-- 
2.47.0