From f64dcc8accf3e0603d0701de0c87e36f1ee6262d Mon Sep 17 00:00:00 2001
From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Thu, 10 Jul 2003 20:40:26 +0000
Subject: [PATCH] tiny optimization in subs()

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

diff --git a/ginac/basic.cpp b/ginac/basic.cpp
index 9921d358..595d6450 100644
--- a/ginac/basic.cpp
+++ b/ginac/basic.cpp
@@ -745,7 +745,7 @@ ex basic::expand(unsigned options) const
 ex basic::subs(const ex & e, unsigned options) const
 {
 	if (e.info(info_flags::relation_equal)) {
-		return subs(lst(e), options);
+		return subs(lst(e.lhs()), lst(e.rhs()), options);
 	}
 	if (!e.info(info_flags::list)) {
 		throw(std::invalid_argument("basic::subs(ex): argument must be a list"));
-- 
2.44.0