ex coeff(const symbol & s, int n=1) const;
ex eval(int level=0) const;
ex evalf(int level=0) const;
- ex series(const symbol & s, const ex & point, int order) const;
+ ex series(const relational & s, int order) const;
ex normal(lst &sym_lst, lst &repl_lst, int level=0) const;
numeric integer_content(void) const;
ex smod(const numeric &xi) const;