int degree(const ex &s) const;
int ldegree(const ex &s) const;
ex coeff(const ex &s, int n = 1) const;
- ex collect(const ex &s) const;
+ ex collect(const ex &s, bool distributed = false) const;
ex eval(int level=0) const;
ex evalf(int level=0) const;
ex series(const relational & r, int order, unsigned options = 0) const;