From c53974269eb9fbda996bb6f232280077caab11e1 Mon Sep 17 00:00:00 2001
From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Thu, 11 Dec 2003 21:16:55 +0000
Subject: [PATCH] optimization to ex::expand()

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

diff --git a/ginac/ex.cpp b/ginac/ex.cpp
index 77853112..3d4d5122 100644
--- a/ginac/ex.cpp
+++ b/ginac/ex.cpp
@@ -73,7 +73,7 @@ void ex::dbgprinttree() const
 ex ex::expand(unsigned options) const
 {
 	if (options == 0 && (bp->flags & status_flags::expanded)) // The "expanded" flag only covers the standard options; someone might want to re-expand with different options
-		return *bp;
+		return *this;
 	else
 		return bp->expand(options);
 }
-- 
2.49.0