- ex to_rational(lst &repl_lst) const;
- ex to_polynomial(lst &repl_lst) const;
- unsigned return_type() const { return ret_type; }
- unsigned return_type_tinfo() const { return ret_type_tinfo; }
+ ex to_rational(exmap & repl) const;
+ ex to_polynomial(exmap & repl) const;
+ ex conjugate() const;
+ ex real_part() const;
+ ex imag_part() const;
+ bool is_polynomial(const ex & var) const;
+ /** Save (a.k.a. serialize) object into archive. */
+ void archive(archive_node& n) const;
+ /** Read (a.k.a. deserialize) object from archive. */
+ void read_archive(const archive_node& n, lst& syms);