// functions overriding virtual functions from bases classes
public:
- void print(std::ostream & os, unsigned upper_precedence = 0) const;
- void printraw(std::ostream & os) const;
- void printtree(std::ostream & os, unsigned indent) const;
- void printcsrc(std::ostream & os, unsigned type, unsigned upper_precedence = 0) const;
+ void print(const print_context & c, unsigned level = 0) const;
int degree(const ex & s) const;
int ldegree(const ex & s) const;
ex coeff(const ex & s, int n = 1) const;