ex coeff(const ex & s, int n = 1) const override;
bool has(const ex & other, unsigned options = 0) const override;
ex eval() const override;
- ex evalf(int level=0) const override;
+ ex evalf() const override;
ex real_part() const override;
ex imag_part() const override;
ex evalm() const override;
ex series(const relational & s, int order, unsigned options = 0) const override;
- ex normal(exmap & repl, exmap & rev_lookup, int level = 0) const override;
+ ex normal(exmap & repl, exmap & rev_lookup) const override;
numeric integer_content() const override;
ex smod(const numeric &xi) const override;
numeric max_coefficient() const override;