X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;ds=sidebyside;f=ginac%2Frelational.h;h=ac6caecfd801425de214b380f8a7df0c8fff2a9c;hb=709e61093f43462b5816f859a32a31cc00758da8;hp=c8bf8b6d44c306a2b2f88c3126a595270e278d63;hpb=d5b86dd10dd9cba12175d07af0b6edfc9a215e36;p=ginac.git

diff --git a/ginac/relational.h b/ginac/relational.h
index c8bf8b6d..ac6caecf 100644
--- a/ginac/relational.h
+++ b/ginac/relational.h
@@ -3,7 +3,7 @@
  *  Interface to relations between expressions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2019 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -58,7 +58,6 @@ public:
 	ex op(size_t i) const override;
 	ex map(map_function & f) const override;
 	ex subs(const exmap & m, unsigned options = 0) const override;
-	ex eval(int level=0) const override;
 
 	/** Save (a.k.a. serialize) object into archive. */
 	void archive(archive_node& n) const override;
@@ -77,8 +76,8 @@ protected:
 	void do_print_python_repr(const print_python_repr & c, unsigned level) const;
 
 public:
-	virtual ex lhs() const;
-	virtual ex rhs() const;
+	ex lhs() const { return lh; }
+	ex rhs() const { return rh; }
 
 	// non-virtual functions in this class
 private: