basic * duplicate() const;
void print(const print_context & c, unsigned level = 0) const;
bool info(unsigned inf) 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 { return *this; } // overwrites basic::evalf() for performance reasons
ex series(const relational & s, int order, unsigned options = 0) const;