public:
relational(const ex & lhs, const ex & rhs, operators oper=equal);
- // functions overriding virtual functions from bases classes
+ // functions overriding virtual functions from base classes
public:
void print(const print_context & c, unsigned level = 0) const;
unsigned precedence(void) const {return 20;}
bool info(unsigned inf) const;
unsigned nops() const;
ex & let_op(int i);
- ex map(map_func f) const;
ex eval(int level=0) const;
- ex evalf(int level=0) const;
- ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
ex simplify_ncmul(const exvector & v) const;
+
protected:
+ bool match_same_type(const basic & other) const;
unsigned return_type(void) const;
unsigned return_type_tinfo(void) const;
};
// 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)
+{
+ return obj.tinfo()==TINFO_relational;
+}
+
} // namespace GiNaC
#endif // ndef __GINAC_RELATIONAL_H__