From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Thu, 18 Sep 2003 19:38:01 +0000 (+0000)
Subject: better error reporting in basic::subs()
X-Git-Tag: release_1-1-4~21
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=commitdiff_plain;h=8b5034b5e5dc59a8a55717db62169f3b46541fc3;p=ginac.git

better error reporting in basic::subs()
---

diff --git a/ginac/basic.cpp b/ginac/basic.cpp
index d5654e21..ec8f2e63 100644
--- a/ginac/basic.cpp
+++ b/ginac/basic.cpp
@@ -712,7 +712,7 @@ ex basic::subs(const ex & e, unsigned options) const
 		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"));
+		throw(std::invalid_argument("basic::subs(ex): argument must be a relation_equal or a list"));
 	}
 
 	// Split list into two