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[ginac.git] / ginac / relational.h

diff --git a/ginac/relational.h b/ginac/relational.h
index c8bf8b6d44c306a2b2f88c3126a595270e278d63..ac6caecfd801425de214b380f8a7df0c8fff2a9c 100644 (file)
--- 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: