- unsigned precedence() const {return 60;}
- bool info(unsigned inf) const;
- size_t nops() const;
- ex op(size_t i) const;
- ex map(map_function & f) const;
- int degree(const ex & s) const;
- int ldegree(const ex & s) const;
- ex coeff(const ex & s, int n = 1) const;
- ex eval(int level=0) const;
- ex evalf(int level=0) const;
- ex evalm() const;
- ex series(const relational & s, int order, unsigned options = 0) const;
- ex subs(const exmap & m, unsigned options = 0) const;
- ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const;
- ex to_rational(exmap & repl) const;
- ex to_polynomial(exmap & repl) const;
- ex conjugate() const;
+ unsigned precedence() const override {return 60;}
+ bool info(unsigned inf) const override;
+ size_t nops() const override;
+ ex op(size_t i) const override;
+ ex map(map_function & f) const override;
+ bool is_polynomial(const ex & var) const override;
+ int degree(const ex & s) const override;
+ int ldegree(const ex & s) const override;
+ ex coeff(const ex & s, int n = 1) const override;
+ ex eval(int level=0) const override;
+ ex evalf(int level=0) const override;
+ ex evalm() const override;
+ ex series(const relational & s, int order, unsigned options = 0) const override;
+ ex subs(const exmap & m, unsigned options = 0) const override;
+ bool has(const ex & other, unsigned options = 0) const override;
+ ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const override;
+ ex to_rational(exmap & repl) const override;
+ ex to_polynomial(exmap & repl) const override;
+ ex conjugate() const override;
+ ex real_part() const override;
+ ex imag_part() const override;
+ /** Save (a.k.a. serialize) object into archive. */
+ void archive(archive_node& n) const override;
+ /** Read (a.k.a. deserialize) object from archive. */
+ void read_archive(const archive_node& n, lst& syms) override;