* Implementation of relations between expressions */
/*
- * GiNaC Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2016 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
// new virtual functions which can be overridden by derived classes
//////////
-/** Left hand side of relational. */
-ex relational::lhs() const
-{
- return lh;
-}
-
-/** Right hand side of relational. */
-ex relational::rhs() const
-{
- return rh;
-}
+// none
//////////
// non-virtual functions in this class
relational::safe_bool relational::make_safe_bool(bool cond) const
{
- return cond? &safe_bool_helper::nonnull : 0;
+ return cond? &safe_bool_helper::nonnull : nullptr;
}
/** Cast the relational into a Boolean, mainly for evaluation within an