ex evalf(int level=0) const;
ex evalm() const;
ex series(const relational & s, int order, unsigned options = 0) const;
ex evalf(int level=0) const;
ex evalm() const;
ex series(const relational & s, int order, unsigned options = 0) const;
numeric integer_content() const;
ex smod(const numeric &xi) const;
numeric max_coefficient() const;
numeric integer_content() const;
ex smod(const numeric &xi) const;
numeric max_coefficient() const;