- basic *duplicate() const;
- void print(ostream &os, unsigned upper_precedence=0) const;
- void printraw(ostream &os) const;
- void printtree(ostream & os, unsigned indent) const;
- unsigned nops(void) const;
- ex op(int i) const;
- ex &let_op(int i);
- int degree(const symbol &s) const;
- int ldegree(const symbol &s) const;
- ex coeff(const symbol &s, int n=1) const;
- ex collect(const symbol &s) const;
- ex eval(int level=0) const;
- ex evalf(int level=0) const;
- ex series(const relational & r, int order) const;
- ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
- ex subs(const lst & ls, const lst & lr) const;
+ unsigned precedence() const override {return 38;} // for clarity just below add::precedence
+ size_t nops() const override;
+ ex op(size_t i) 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 collect(const ex &s, bool distributed = false) const override;
+ ex eval() const override;
+ ex evalf(int level=0) const override;
+ ex series(const relational & r, int order, unsigned options = 0) const override;
+ ex subs(const exmap & m, unsigned options = 0) const override;
+ ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const override;
+ ex expand(unsigned options = 0) const override;
+ ex conjugate() const override;
+ ex real_part() const override;
+ ex imag_part() const override;
+ ex eval_integ() const override;
+ ex evalm() 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;