* Added output-support for Python bindings and LaTeX printing for

[ginac.git] / ginac / relational.h

diff --git a/ginac/relational.h b/ginac/relational.h
index 40c799bf5ce580247a78949a6fd9bf6b557b51cc..b04d11c70de99003c33816b8c9e947f55e648941 100644 (file)
--- a/ginac/relational.h
+++ b/ginac/relational.h
@@ -63,6 +63,7 @@ protected:
        bool match_same_type(const basic & other) const;
        unsigned return_type(void) const;
        unsigned return_type_tinfo(void) const;
+       unsigned calchash(void) const;
 
        // new virtual functions which can be overridden by derived classes
 public:
@@ -83,13 +84,6 @@ protected:
 
 // utility functions
 
-/** Return the relational object handled by an ex.  Deprecated: use ex_to<relational>().
- *  This is unsafe: you need to check the type first. */
-inline const relational &ex_to_relational(const ex &e)
-{
-       return static_cast<const relational &>(*e.bp);
-}
-
 /** Specialization of is_exactly_a<relational>(obj) for relational objects. */
 template<> inline bool is_exactly_a<relational>(const basic & obj)
 {